• 专利附录
  • 专利说明
  • 权利要求
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  • 同族专利
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    • 专利摘要:
    DIGITAL POWER NETWORK; AT LEAST ONE NETWORK CONTROLLER; AND METHOD FOR FORWARDING DIGITAL ELECTRIC POWER AMONG POWER CONTROL ELEMENTS.A digital power network comprises at least one digital electrical power routing device that includes (a) at least one DC power bus; (b) at least two power control elements, each with at least two sets of power terminals, where at least one accommodates electrical power in the packet energy transfer format, and where each control element power terminals have electrical connections that allow the connection of a set of power terminals to the DC power bus; and (c) at least one network controller operable to perform control functions within the power control elements for routing electrical power from at least one power control element to at least one other element control system within the digital power network. The digital power network also includes at least one power supply and at least one load.
    公开号:BR112016016479A2
    申请号:R112016016479-2
    申请日:2015-01-16
    公开日:2020-09-08
    发明作者:Harry Daniel Lowe；Stephen Eaves
    申请人:VoltServer, Inc.；
    IPC主号:
    专利说明:

    [001] [001] A representative digital electrical power distribution system using PET protocol is described in U.S. Patent 8,781,637 (Eaves 2012).
    [002] [002] The primary insight factor in a digital power transmission system compared to traditional analog power systems is the fact that the electricity is separated into separate units, and the individual units of energy can be associated with the analog information and / or digital that can be used for security, efficiency, resilience, control or routing optimization purposes.
    [003] [003] As described by Eaves 2012, a source controller and a charge controller are connected by power distribution conductors. The Eaves 2012 source controller periodically isolates (disconnects) the power distribution conductors from the power supply and analyzes, at a minimum, the voltage characteristics present at the source controller terminals directly before and after the conductors are isolated. The rate of voltage rise and fall in the conductors reveals whether a fault condition is present in the conductors of the power distribution system. Measurable faults include, but are not limited to, short circuit, high line resistance or the presence of an individual who has been in undue contact with the conductors. Eaves 2012 also describes digital information that can be sent between the source and charge controllers by the power distribution conductors to further improve safety or provide general characteristics of energy transfer, such as total energy, or the voltage at the terminals. charge controller. Since the energy in a PET system is transferred as distinct quantities or quanta, it can be referred to as "digital power".
    [004] [004] Since Eaves 2012 focused on transferring power from a single source to a charging device, the following description describes how the digital power network elements that include multiple loads, sources, energy storage devices and other conventional electrical networks can be optimally coordinated to form a digital power network. The revealed digital power network architecture provides a platform for the safe, resilient and efficient transfer of power and adds priority structures that optimize these attributes. SUMMARY
    [005] [005] Digital power networks and methods for routing digital electrical power between power control elements are described here, in which various types of apparatus and methods may include some or all of the elements, functionalities and features. steps outlined below.
    [006] [006] A digital power network comprises at least one device for routing digital electrical power to facilitate the routing of power between power control elements. The digital electrical power routing device comprises (a)
    [007] [007] In particular modalities, the network controller functionality resides in one of the network power control elements. In the additional modes, the digital power router includes at least one digital power bus separate from the DC bus, where the digital power bus facilitates the direct routing of power in the packaged energy transfer format from a power control element to at least one other power control element.
    [008] [008] In particular modalities, the controller executes an algorithm that assigns a weighting value to each option for power forwarding from one power control element to another power control element allowing forwarding decisions to be optimized based on safety, resilience and efficiency. In the additional modalities, the network controller resides in a first digital electrical power routing device that exchanges routing information with a network controller residing in a second digital electrical power routing device, allowing routing decisions between elements of network power control connected to the first digital electrical power routing device are taken by the network controller that resides on the second digital electrical power routing device.
    [009] [009] In particular modalities, a first power control element is connected to the digital power bus of a first digital power router and supplies power in packet energy transfer format to a second power control element connected to it digital power bus on the same digital power router, and the second power control element directs digital power to a third power control element that is connected to a second digital power router. BRIEF DESCRIPTION OF THE DRAWINGS
    [010] [010] The FIGURE schematically illustrates a digital power network, as described here.
    [011] [011] In the accompanying drawings, the same reference characters refer to the same or similar parts in all different views; and apostrophes are used to differentiate multiple instances of the same or similar items by sharing the same reference numeral. The drawings are not necessarily to scale; instead, emphasis is placed on illustrating specific principles in the exemplifications described below. DETAILED DESCRIPTION
    [012] [012] The foregoing and other functionalities and advantages of various aspects of the invention (s) will be evident from the following more particular description of various specific concepts and modalities within the broader limits of the invention (s). Various aspects of the discussion material presented above and described in greater detail below can be implemented in any of numerous ways, since the discussion material is not limited to any particular way of implementation. Examples of specific implementations and applications are provided primarily for illustrative purposes.
    [013] [013] Unless defined, used or characterized herein to the contrary, the terms that are used here (including technical and scientific terms) should be interpreted as having a meaning that is consistent with their accepted meaning in the context of the relevant technique and should not be interpreted in an idealized or excessively formal sense, unless expressly defined herein. For example, if a specific composition is referenced, the composition can be substantially, although not perfectly, pure, since practical and imperfect realities can be applied; P. e.g., the potential presence of at least trace impurities (e.g., less than 1 or 2%) can be understood to be within the scope of the description; likewise, if a specific format is referenced, the format intends to include imperfect variations from ideal formats, e.g. due to manufacturing tolerances. The percentages or concentrations expressed herein may represent by weight or by volume. The processes, procedures and phenomena described below can occur at pressure (eg, about 50 to 120 kPa, for example, about 90 to 110 kPa) and temperature (eg, -20 to 50 ° C, for example approximately 10 to 35 ºC), unless otherwise specified.
    [014] [014] Although the terms first, second and third, etc., can be used here to describe various elements, these elements should not be limited by those terms. These terms are simply used to distinguish one element from the other. In this way, a first element, described below, can be called a second element without leaving the teachings of exemplary modalities.
    [015] [015] Spatially relative terms, such as "above", "below", "left", "right", "in front", "behind" and the like, can be used here to facilitate the description of the relationship of a element with another element, as illustrated in the figures. It will be understood that the spatially relative terms, as well as the illustrated configurations, are intended to cover different orientations of the device in use or in operation, in addition to the orientations described here and represented in the figures. For example, if the device in the figures is turned upside down, the elements described as "below" or "under" other elements or features will thus be oriented "above" the other elements or features. In this way, the exemplary term “above” can cover both an upward and downward orientation. The device can then be oriented (eg rotated 90 degrees or in other orientations) and the spatially related descriptors used here can be interpreted accordingly.
    [016] [016] Furthermore, in this disclosure, when an element is referred to as being "connected", "connected to", "coupled to", "in contact with", etc. another element, it may be directly connected, connected to, coupled to, or in contact with the other element, or intermediate elements may be present, unless otherwise specified.
    [017] [017] The terminology used here is intended for the purpose of describing specific modalities and is not intended to limit the exemplary modalities. As used herein, singular forms, such as "one", are intended to include plural forms as well, unless otherwise stated in the context. In addition, the terms "includes", "including", "comprises" and "comprising" specify the presence of the mentioned elements or steps, but do not exclude the presence or addition of one or more other elements or steps.
    [018] [018] A primary component of the revealed digital power network, illustrated in the FIGURE, corresponds to a digital power router (also referred to as a routing device) 1. Router 1 serves a number of power control elements 3a to 3f . An exemplary 3d '' '' source / load power control element is illustrated in the FIGURE serving an energy storage device, in this case a battery 2. Other 3a '' '/ 3b' 'power control elements may serve a solar panel 8, which corresponds to a power source, or an LED light 9, which corresponds to a charge. The power control elements can have different levels of importance within a digital power network. For example, the power control element 3b 'serving a critical load 10, such as a medical breathing device or a cellular radio that includes emergency service (112), receives a higher priority than other elements. The system is not limited to the described examples of energy storage device, load and source, since they represent only a small subset of a myriad of what is available for interaction with the digital power network.
    [019] [019] Power control elements 3a to 3f perform one or more of the following functions: - verification of safe energy transfer according to the packet energy transfer protocol (PET - Packet Energy Transfer); - conversion of analog power into digital power according to the PET protocol, or vice versa; - conversion and / or control of voltage and / or current; and - changing the power from one channel to another channel within the network.
    [020] [020] Each of the power control elements includes power terminals. At least one set of the power terminals can accommodate electrical power in the packaged energy transfer format via internal electronics in relation to the power control element that converts the packaged energy transfer format power back to conventional DC power . The exception is a power control element designed as a digital power switch, which directs power in the existing packaged energy transfer format to another power control element without converting the power back to conventional DC power.
    [021] [021] Whenever the functions involve digital power transfer, the PET protocol is continuously executed and verified to ensure safety. In the FIGURE, illustrated in the legend of the drawing and within the functional blocks of the represented element, the power control elements 3a to 3f are identified according to their functionality as S for source 3a, L for load (3b), X for switch 3c. Power control elements with combined functions include combined source / load elements 3d, a combined load / switch element 3e and a combined source / load / switch element 3f.
    [022] [022] A network controller element 6, identified as C, provides commands, executes supervisory algorithms and receives data from other processing devices that may reside within the power control elements 3a to f or within the network controller elements on other external routers. In one embodiment, the network controller comprises a microprocessor that communicates with the power control elements within the digital power router via the communication bus 7 residing in the digital power router.
    [023] [023] Regarding the FIGURE, the source elements 3a are performing functions related to the source (S). More specifically for this example, the source element 3a ’’ ’is converting analog DC power from a solar panel 8 to a higher analog DC voltage and then converting that analog voltage to digital power in PET format. Any of several power converter architectures, well known to those skilled in the art, can be used for converting the lowest voltage from solar panel 8 to the highest voltage. The representative voltages, but not to limit the scope of this invention, can be from 36 to 48 Vdc for the operating voltage of a solar panel and from 300 to 400 Vdc for the amplitude of the PET digital power. The method that the power control element uses for converting to PET format is described in Eaves 2012.
    [024] [024] The power control elements 3b are acting as load elements, L, converting the digital PET power, using the methods of Eaves 2012, back to the analog DC voltage level used inside the digital power router 1. A The internal DC voltage of the digital power router typically has, but not to limit the scope of this invention, a level of 300 to 400 Vdc.
    [025] [025] The power control element 3e includes a switching (X) as well as a load (L) functionality that is useful in providing a power source (in this example, a solar panel 8). Using the switching function, the power control element 3e can avoid converting digital power to analog power and, alternatively, direct digital power directly to another element that also has switching functionality instead of converting digital power in internal analog DC relative to router 1 on analog DC bus 11. For example, the power control element 3e can switch power so that forwarding bus 4 is further routed to the power control element 3f that has the source / load / switching functionality. The power control element 3f then transfers the digital power to a 3d source / charge element ’’ ’’ ’. The 3d '' '' source / load power control element then converts the digital power to the appropriate analog power level needed to charge battery 2. If the power control elements 3e and 3f perform switching functions instead of conversion, there are less losses and consequently more efficiency in the transfer.
    [026] [026] Switching and routing decisions are managed by network controller 6. However, it should be noted that another instance of network controller 6 outside router 1 can also make decisions, particularly since power routing can involve sending digital power to an entirely different digital power forwarding unit as illustrated by the connection to the switching element 3c 'which can route digital power to a second power router. The additional internal routing bus 5 is illustrated to allow the creation of multiple connections and routing paths simultaneously. Depending on the application's needs, there may be more than two internal routing buses installed. Decision Making:
    [027] [027] The system allows decisions on power conversion and routing to be made based on optimizing the security, resilience and efficiency of power transfer. There are additional considerations to be taken based on the priority assigned to the power control elements (eg, sources and loads); in order to give more priority to a life support medical device 10 versus general lighting 9.
    [028] [028] The information about the power control elements available in the system, the respective states and the instructions for forwarding are managed by a forwarding table; a tool that is well known to those skilled in the art in the industry of today's data routers (such as an Ethernet router used in a home or a data center).
    [029] [029] The referral table includes the ability to assign a “cost” to several referral decisions. In the previous example, the power in the digital PET format of a solar panel 8 was routed directly to a battery 2 instead of being converted back to the analog power within the digital power router 1 first, thus avoiding conversion losses and improving efficiency. This decision is made by assigning a cost variable to the switching action that penalizes the conversion decision more than the alternative switching and routing decision. However, if battery 2 has been fully charged and is no longer capable of accepting energy, then the cost variable will be updated and the decision changed to forward the power of the solar panel 8 to another location or convert the power to the internal analog DC power. used by the digital power router 1. The routing table can also include routing costs for sending power by a second digital power router that has communicated the respective cost variables to the first router 1 using the external communication link 11 illustrated connected to controller 6. Likewise, the first digital power router 1 communicates the respective cost variable to other connected digital power routers and can receive and send power to / from the routers.
    [030] [030] As described in the routing cost example above, external power control elements, such as what serves the battery, may need to communicate their status to the digital power router 1. In the example of battery 2, it was necessary to have a state variable indicative of the battery charge status 2. The communication between a power control element inside the digital power router 1 and a power control element outside the digital power router 1 can be done with the same conductors as are used for power transmission using inline modulation techniques described in Eaves 2012, or via external wired or wireless communication between the power control element and the digital power router controller 6. Communications are also useful to allow the “plug-and-play” configuration of the digital power network where the power control element can communicate data that can include an identification code, status, characteristics and capabilities. However, even without automatic configuration, the digital power routing table will allow manual configuration of power control elements using an operator or a factory configuration interface.
    [031] [031] The communication capability between the digital power router controller 6 and the power control elements also allows for dynamic updates of a change in the state or type of network element and allows a change in network element functionality, such as for example, changing the performance of a source function versus a load or switching function.
    [032] [032] In describing embodiments of the invention, specific terminology is used for reasons of clarity. For purposes of description, the specific terms are intended to at least include technical and functional equivalents that operate in a similar manner in order to achieve a similar result. Additionally, in some instances where a particular embodiment of the invention includes a plurality of elements of the system or steps of the method, those elements or steps can be replaced by a single element or a single step; likewise, a single element or a single step can be replaced by a plurality of elements or steps that serve the same purpose. In addition, where parameters for various properties or other values are specified here for embodiments of the invention, those parameters or values can be adjusted up or down by 1 / 100º, 1 / 50º, 1 / 20º, 1 / 10º, 1 / 5, 1/3, 1/2, 2/3, 3/4, 4/5, 9/10, 19/20, 49/50, 99/100, etc. (or up by a factor of 1, 2, 3, 4, 5, 6, 8, 10, 20, 50, 100, etc.), or in rounded approximations thereof, unless otherwise specified.
    [001] [001] A representative digital electrical power distribution system using PET protocol is described in U.S. Patent 8,781,637 (Eaves 2012).
    [002] [002] The primary insight factor in a digital power transmission system compared to traditional analog power systems is the fact that the electricity is separated into separate units, and the individual units of energy can be associated with the analog information and / or digital that can be used for security, efficiency, resilience, control or routing optimization purposes.
    [003] [003] As described by Eaves 2012, a source controller and a charge controller are connected by power distribution conductors. The Eaves 2012 source controller periodically isolates (disconnects) the power distribution conductors from the power supply and analyzes, at a minimum, the voltage characteristics present at the source controller terminals directly before and after the conductors are isolated. The rate of voltage rise and fall in the conductors reveals whether a fault condition is present in the conductors of the power distribution system. Measurable faults include, but are not limited to, short circuit, high line resistance or the presence of an individual who has been in undue contact with the conductors. Eaves 2012 also describes digital information that can be e n v i a d e s e n t r e s
    权利要求:
    Claims (10)
    [1]
    1. DIGITAL POWER NETWORK, characterized by comprising: at least one digital electrical power forwarding device configured to facilitate the power forwarding between power control elements, in which the digital electric power forwarding device comprises: a) at least one DC power bus; b) at least two power control elements, each with at least two sets of power terminals, where at least one of the sets of power terminals accommodates electrical power in the packet energy transfer format, and where each power control element has electrical connections configured to allow the connection of a set of the respective power terminals to the DC power bus; c) at least one digital power bus separate from the DC power bus, where the digital power bus is configured to facilitate direct routing of digital power in the packet power transfer format of at least one power control element for at least one other power control element in the digital power network; and d) at least one network controller configured to perform control functions within the power control elements to determine the digital power routing and for the digital power routing from at least one power control element to the at least another power control element within the digital power network via at least one digital power bus; at least one power supply coupled to at least one of the power control elements; and at least one load coupled to at least one of the power control elements.
    [2]
    2. DIGITAL POWER NETWORK according to claim 1, characterized by the network controller functionality residing in one of the power control elements.
    [3]
    3. DIGITAL POWER NETWORK according to claim 1, characterized in that the digital electrical power routing device comprises a first digital electrical power routing device and a second digital electrical power routing device, in which a first digital power control connected to the digital power bus of the first digital electrical power routing device delivers power in packaged energy transfer format to a second power control element connected to the same digital power bus on the same power routing device digital power, and where the second power control element directs power to a third power control element that is connected to a second digital power forwarding device.
    [4]
    4. DIGITAL POWER NETWORK, according to claim 1, characterized by the network controller executing an algorithm that assigns a weighting value to each option for routing power from one power control element to another power control element allowing forwarding decisions to be optimized based on security, resilience and efficiency attributes.
    [5]
    5. DIGITAL POWER NETWORK according to claim 1, characterized by the network controller included in a first digital electrical power routing device exchanging routing information with a second network controller residing in a second digital electrical power routing device , allowing the routing decisions between power control elements connected to the first digital electrical power routing device to be made by the second network controller that resides in the second digital electrical power routing device.
    [6]
    6. METHOD FOR THE FORWARDING OF DIGITAL ELECTRIC POWER AMONG POWER CONTROL ELEMENTS, the method comprising: the routing of digital electrical power with at least one digital electrical power routing device between a plurality of power control elements, each power control element having at least two sets of power terminals, and the digital electrical power routing device including (a) at least one DC power bus; (b) at least two power control elements, in which at least one power terminal of each power control element is connected to the DC power bus; (c) at least one network controller; and (d) at least one digital power bus separate from the DC power bus, where the digital power bus routes digital power directly in the packaged energy transfer format of at least one power control element to at least one another power control element; the execution of control functions within the power control elements through at least one network controller to determine the routing of the digital power; and in response to the control functions performed, transmission of digital power in packet energy transfer format through at least one digital power bus from at least one power control element to at least one other power control element .
    [7]
    7. METHOD according to claim 6, characterized by the network controller functionality residing in one of the power control elements.
    [8]
    METHOD according to claim 6, characterized in that the digital electrical power routing device comprises a first digital electrical power routing device and a second digital electrical power routing device, and wherein a first power control element connected to the digital power bus of the first digital electric power routing device provides power in packaged energy transfer format to a second power control element connected to the same digital power bus on the same digital electric power routing device, and wherein the second power control element directs power to a third power control element that is connected to a second digital power forwarding device.
    [9]
    9. METHOD, according to claim 6, characterized by the network controller executing an algorithm that assigns a weighting value to each option for routing power from one power control element to another power control element, optimizing the forwarding decisions based on security, resilience and efficiency attributes.
    [10]
    10. METHOD according to claim 6, characterized by the network controller resident in a first digital electrical power routing device exchanging routing information with a second network controller resident in a second digital electrical power routing device, allowing the routing decisions between power control elements connected to the first digital electrical power routing device are made by the second network controller that resides in the second digital electrical power routing device.
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    法律状态:
    2020-05-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-11-23| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    US201461929074P| true| 2014-01-19|2014-01-19|
    US61/929,074|2014-01-19|
    PCT/US2015/011770|WO2015109193A1|2014-01-19|2015-01-16|Digital power network method and apparatus|
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