Multifunctional intelligent V2G equipment system

Abstract

The invention provides a multifunctional intelligent V2G equipment system, and belongs to the technical field of intelligent charging, and the system comprises a system configuration module which is used for configuring distributed deployment systems under different application functions for a target community according to a community distribution diagram and a group distribution diagram of the target community; the fusion processing module is used for performing system fusion processing on all the distributed deployment systems according to the function types of the application functions to obtain a fused deployment system; the health assessment module is used for carrying out position matching on the fusion deployment system and the target community to realize system installation, and carrying out battery health condition assessment on the final deployment system of each community activity place after the installation is completed; and the electric energy scheduling module is used for performing electric energy scheduling on each final deployment system in the fused deployment system according to the evaluation result. And each device can work normally, so that multiple requirements of users are met.

Description

Technical Field

[0001] The present invention relates to a multifunctional intelligent V2G equipment system, belonging to the technical field of intelligent charging. Background Art

[0002] Recently, in order to promote the development of electric vehicle charging facilities, the country has formulated a new national standard (2015) for the charging pile industry, which is also to unify interfaces and charging methods to facilitate the healthy and stable development of the industry.

[0003] At present, the charging piles on the market are all standard national standard charging piles, which only have basic charging functions. In decentralized application scenarios, such as community scenarios, when users need to solve emergency charging of mobile phones or purchase convenience goods such as beverages, they cannot be guaranteed. That is, due to the single function of the charging piles, they cannot meet the multiple needs of users.

[0004] Therefore, the present invention provides a multifunctional intelligent V2G equipment system. Summary of the invention

[0005] In view of the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a multifunctional intelligent V2G equipment system, which is used to construct a system of different application functions by analyzing the groups and activity venues of the community, and then to realize the integration of the system through functional types, to achieve the multifunctional needs of the community, and then through the evaluation of battery health, to effectively ensure the reasonable scheduling of electric energy, to ensure that each equipment can work normally, and further meet the multiple needs of users.

[0006] The present invention provides a multifunctional intelligent V2G equipment system, comprising: A system configuration module, used to configure a distributed deployment system under different application functions for the target community according to the community distribution map and group distribution map of the target community; A fusion processing module, used for performing system fusion processing on all decentralized deployment systems according to the function type of the application function to obtain a fusion deployment system, wherein the fusion deployment system includes a plurality of sub-deployment systems, and each sub-deployment system includes an implementation device of at least one application function, and the implementation device is related to the V2G device and the vending device; A health assessment module, used to match the location of the integrated deployment system with the target community to achieve system installation, and to evaluate the battery health status of the final deployment system of each community activity venue after the installation is completed; The power dispatching module is used to perform power dispatching on each final deployment system in the integrated deployment system according to the evaluation result.

[0007] Furthermore, the system configuration module includes: a place attribute determination unit, configured to determine community activity places based on the community distribution map, and determine place attributes depending on the place layout of each community activity place, wherein the place attributes are related to the activity type of the corresponding community activity place; A crowd attribute determination unit, used to determine the crowd attributes of each community activity venue based on the group distribution map, wherein the crowd attributes are related to the crowd age and crowd density; An importance analysis unit, used to determine the importance of corresponding community activity venues based on the venue attributes and crowd attributes; The original system construction unit is used to classify all community activity venues according to the venue attributes, and determine the initial deployment quantity of each application function under each community activity venue based on the importance involved in the same classification, the number of activity types involved in the venue attributes of each community activity venue, and the weight of the activity type, and build the original deployment system of the target community in combination with the venue location of the corresponding community activity venue; The system extraction unit is used to extract the original deployment system according to the corresponding application function to obtain a distributed deployment system.

[0008] Furthermore, the fusion processing module includes: A quantity extraction unit, used to respectively determine the community activity venues involved in each decentralized deployment system, obtain the venue deployment system of each community activity venue, and extract the quantity array based on different application functions in the venue deployment system; A center determination unit is used to sequentially obtain the adjacent places of each community activity place from the community distribution map to construct an adjacent map, and input all the quantity arrays and place locations involved in the adjacent map into the analysis model to obtain the number of centers involved in the equipment for each application function under the corresponding community activity place; A quantity determination unit, used to determine the number of centers of each application function involved in each community activity venue, the original deployment number and the average deployment number of the adjacent graph, and the quantity variance; A final determination unit, used for determining the final number of the corresponding community activity venues under the corresponding application function according to max (number of centers, original number of deployments) when the sum of the average number of deployments and the number variance is greater than the original number of deployments; Otherwise, according to min (number of centers, original deployment attributes), determine the final number of corresponding community activity venues under the corresponding application function; The integrated deployment system building unit is used to obtain the integrated deployment system of the target community according to the final number of different application functions involved in each community activity venue.

[0009] Furthermore, the V2G equipment is equipment for bidirectional flow of energy between the power grid and the vehicle.

[0010] Furthermore, the V2G equipment includes: a pre-lightning circuit breaker (1), a lightning arrester (2), a current transformer (3), a three-phase electric meter (4), a single-phase auxiliary circuit breaker (5), an AC molded case circuit breaker (6), a converter (7), a DC molded case circuit breaker (8), a main circuit DC contactor (9), a DC-DC charging module (10), a DC-DC charging module (11), a DC fuse (12), a DC fuse (16), a DC fuse (19), a DC fuse (23), a shunt (13), a shunt (20), a switching DC contactor (14), a switching DC contactor (17), a switching DC contactor (18), a switching DC contactor (21), a switching DC contactor (24), a switching DC contactor (25), a DC charging gun (15), and a DC charging gun (22).

[0011] Furthermore, the specific execution logic of the V2G equipment includes: When the V2G equipment is in a normal charging state, the lightning protection front circuit breaker (1) is closed, the single-phase auxiliary power circuit breaker (5) is closed, the auxiliary power circuit is energized, the AC molded case circuit breaker (6) is closed, and the converter (7) is energized.

[0012] When the main circuit DC contactor (9) is closed, the DC-DC charging module (10) and the DC-DC charging module (11) are powered. When a single gun is charged at full power, the switching DC contactor (14) and the switching DC contactor (18) are closed, and the DC charging gun (15) discharges the vehicle. When two guns are charged at the same time, the switching DC contactor (18) is disconnected, and the switching DC contactor (21) is closed, and the two guns discharge the vehicle at the same time. When the main circuit DC contactor (9) is disconnected, when the DC charging gun (15) is discharged from the vehicle to the power grid, the switching DC contactor (14) is disconnected, the switching DC contactor (17), the switching DC contactor (18), and the switching DC contactor (25) are closed, and the current flows from the DC charging gun (15) through the DC fuse (16), the switching DC contactor (17), and the DC-DC charging module (10) to the switching DC contactor (18), and the current of the DC-DC charging module (11) flows to the converter (7) through the switching DC contactor (25), and then flows to the power grid; When the DC charging gun (22) is discharged from the vehicle to the power grid, the switching DC contactor (21) is disconnected, and the current flows from the DC fuse (23) through the switching DC contactor (24), and from the DC-DC charging module (10) to the switching DC contactor (18), and the current of the DC-DC charging module (11) flows to the converter (7) through the switching DC contactor (25), and then flows to the power grid.

[0013] Furthermore, the main circuit DC contactor (9) is hardware interlocked with the switching DC contactor (17), the switching DC contactor (24), and the switching DC contactor (25); The switching DC contactor (14) is hardware interlocked with the switching DC contactor (17); The switching DC contactor (21) is hardware interlocked with the switching DC contactor (24) and the switching DC contactor (25).

[0014] Furthermore, the health assessment module includes: A structure determination unit, used to determine the connection deployment structure of all equipment in each final deployment system, and obtain an input-output diagram of each equipment, wherein the connection deployment structure includes: the interconnection between V2G equipment and the interconnection between vending equipment and V2G equipment; A probability estimation unit, used to estimate the probability of each device's battery being used for self-use and the probability of being used for external use according to the input-output graph of each device and the role played by each device in the corresponding community activity venue; The health assessment unit is used to obtain the battery health status of the final deployment system according to all the estimated results.

[0015] Furthermore, the health assessment unit comprises: A lifespan calculation subunit, configured to obtain a first lifespan based on a probability of the battery of each device being used for the device itself and a probability of being used for external use; The loss combining subunit is used to obtain the battery health status of the final deployment system according to the battery model of each device's battery and the historical loss based on the battery model and in combination with all the first lifespans.

[0016] Furthermore, the electric energy scheduling module includes: A matrix construction unit, configured to construct a health vector of the integrated deployment system according to the evaluation result, and to obtain an evaluation matrix by combining the estimated vectors respectively constructed based on the comprehensive estimated usage frequency of each final deployment system in the integrated deployment system in the target community and the estimated surplus of electric energy after each use; An electric energy analysis unit, used to perform electric energy analysis on each column vector in the evaluation matrix to obtain a final electric energy surplus; The size sorting unit is used to sort all final electric energy surpluses and lock the system that meets the dispatching standard as a backup system for electric energy dispatching.

[0017] Compared with the prior art, the present invention has the following beneficial effects: By analyzing the groups and activity venues in the community, we build a system with different application functions, and then realize the integration of the system through functional types to meet the multi-functional needs of the community. Then, through the assessment of battery health, we can effectively ensure the rational scheduling of electric energy, ensure that each equipment can work normally, and further meet the multiple needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of a multifunctional intelligent V2G equipment system of the present invention; Figure 2 Circuit diagram of V2G equipment. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0020] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0021] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0024] The present invention provides a multifunctional intelligent V2G equipment system, such as Figure 1 As shown, including: A system configuration module, used to configure a distributed deployment system under different application functions for the target community according to the community distribution map and group distribution map of the target community; A fusion processing module, used for performing system fusion processing on all decentralized deployment systems according to the function type of the application function to obtain a fusion deployment system, wherein the fusion deployment system includes a plurality of sub-deployment systems, and each sub-deployment system includes an implementation device of at least one application function, and the implementation device is related to the V2G device and the vending device; A health assessment module, used to match the location of the integrated deployment system with the target community to achieve system installation, and to evaluate the battery health status of the final deployment system of each community activity venue after the installation is completed; The power dispatching module is used to perform power dispatching on each final deployment system in the integrated deployment system according to the evaluation result.

[0025] In this embodiment, the target community refers to a residential community or a park community, etc., an area where V2G equipment and vending equipment need to be deployed.

[0026] In this embodiment, the community distribution map and the group distribution map are both pre-drawn, and the community distribution map refers to the community structure map of the community, including residential places and activity places, etc., and the activity places refer to places for leisure and entertainment, and the group distribution map refers to the groups that gather in different activity places on a daily basis.

[0027] In this embodiment, the application functions refer to the charging function and the purchasing function, and the corresponding types are the charging type and the purchasing type.

[0028] In this embodiment, the distributed deployment system refers to the distribution of each application function in the target community. At this time, it is a deployment system for preliminary analysis. The integrated deployment system refers to a deployment system for the comprehensive distribution of all application functions in the target community, and the integrated deployment system includes the final deployment system of each activity venue.

[0029] It should be noted that during the system integration process, certain adjustments will be made to the quantities involved in the distributed deployment system.

[0030] In this embodiment, location configuration refers to matching the final deployment system with the corresponding community activity venue. For example, the final deployment system of community activity venue A1 includes 3 V2G equipment and 5 vending equipment.

[0031] In this embodiment, the evaluation of the battery health status is to analyze the reasonableness of the power scheduling of the activity venue. If the health status is poor, a smaller number of power scheduling can be performed; otherwise, a larger number of power scheduling can be performed.

[0032] The beneficial effects of the above technical solution are: by analyzing the groups and activity venues in the community to build a system of different application functions, and then realizing the integration of the system through functional types, to achieve the multi-functional needs of the community, and then through the evaluation of battery health, effectively ensure the reasonable scheduling of electric energy, ensure that each equipment can work normally, and further meet the multiple needs of users.

[0033] The present invention provides a multifunctional intelligent V2G equipment system, wherein the system configuration module comprises: a place attribute determination unit, configured to determine community activity places based on the community distribution map, and determine place attributes depending on the place layout of each community activity place, wherein the place attributes are related to the activity type of the corresponding community activity place; A crowd attribute determination unit, used to determine the crowd attributes of each community activity venue based on the group distribution map, wherein the crowd attributes are related to the crowd age and crowd density; An importance analysis unit, used to determine the importance of corresponding community activity venues based on the venue attributes and crowd attributes; The original system construction unit is used to classify all community activity venues according to the venue attributes, and determine the initial deployment quantity of each application function under each community activity venue based on the importance involved in the same classification, the number of activity types involved in the venue attributes of each community activity venue, and the weight of the activity type, and build the original deployment system of the target community in combination with the venue location of the corresponding community activity venue; The system extraction unit is used to extract the original deployment system according to the corresponding application function to obtain a distributed deployment system.

[0034] In this embodiment, the community activity venue is a place where people can move around and can be directly determined.

[0035] In this embodiment, the site layout refers to the deployment of public facilities in the site, such as slides for children to play, fitness equipment, etc., or the deployment of basketball courts and football fields, etc.

[0036] In this embodiment, the activity type includes, for example, sports type, leisure type, etc.

[0037] In this embodiment, the calculation method for importance is as follows: ; in, represents the importance of the jth community activity venue; n1 represents the number of activity types involved in the jth community activity venue; represents the type weight of the i-th activity type; represents the crowd density under the i-th activity type; represents the purchasing power of the crowd under the i-th activity type; represents the crowd density in the jth community activity venue; nz represents the total number of all activity types involved in the target community.

[0038] In this embodiment, the community activity venues are classified according to whether the venues have comprehensive activities or single activities. For example, venue 1 is of comprehensive activity A1 type, venue 2 is of comprehensive activity A1 type, venue 3 is of comprehensive activity B1 type, and venue 4 is of single activity C1 type. In this case, after classification, the following can be obtained: comprehensive activity A1 type: venue 1, venue 2, comprehensive activity B1 type: venue 3, single activity C1 type: venue 4.

[0039] In this embodiment, the priority of the activity type is determined by the weight corresponding to the activity type. The larger the weight, the higher the corresponding priority. The sum of the type weights of the places involved in the same activity type in the same target community is 1.

[0040] In this embodiment, the original deployment system: the original deployment quantity of equipment under different application functions in each community activity venue.

[0041] It should be noted that the original deployment quantity is calculated as follows: ; in, represents the initial number of equipment of the corresponding application function matched based on the venue area S of the corresponding community activity venue; G0 represents the importance sum of all venues belonging to the same classification result as the corresponding community activity venue; G0 represents the sum of all community activity venues in the target community; ln represents the logarithmic function symbol; Distributed deployment system: The same application function is based on the equipment distribution and distribution quantity of the target community.

[0042] The beneficial effects of the above technical solution are: it is convenient to directly determine the importance of a place based on the attributes of the place and the attributes of the crowd, and subsequently, by combining the number and weight of activity types, it is convenient to deploy the number of equipment under different application functions to build a regional overall system, and then obtain a decentralized deployment system through single function extraction, providing a basis for meeting multiple user needs.

[0043] The present invention provides a multifunctional intelligent V2G equipment system, wherein the fusion processing module comprises: A quantity extraction unit, used to respectively determine the community activity venues involved in each decentralized deployment system, obtain the venue deployment system of each community activity venue, and extract the quantity array based on different application functions in the venue deployment system; A center determination unit is used to sequentially obtain the adjacent places of each community activity place from the community distribution map to construct an adjacent map, and input all the quantity arrays and place locations involved in the adjacent map into the analysis model to obtain the number of centers involved in the equipment for each application function under the corresponding community activity place; A quantity determination unit, used to determine the number of centers of each application function involved in each community activity venue, the original deployment number and the average deployment number of the adjacent graph, and the quantity variance; A final determination unit, used for determining the final number of the corresponding community activity venues under the corresponding application function according to max (number of centers, original number of deployments) when the sum of the average number of deployments and the number variance is greater than the original number of deployments; Otherwise, according to min (number of centers, original deployment attributes), determine the final number of corresponding community activity venues under the corresponding application function; The integrated deployment system building unit is used to obtain the integrated deployment system of the target community according to the final number of different application functions involved in each community activity venue.

[0044] In this embodiment, the venue deployment system is a combination of the number of equipment for different application functions involved in the corresponding venue. For example, venue 1 includes 3 V2G equipment and 3 vending equipment, and the quantity array is: {V2G--3, vending--3}.

[0045] In this embodiment, the adjacent places refer to surrounding places that are closest to the corresponding place, and the number of the adjacent places is greater than or equal to 1.

[0046] In this embodiment, the proximity graph is composed of the place and places adjacent to the place, and is a part of the community distribution map.

[0047] In this embodiment, the analysis model is obtained by training the neural network model based on the number array involved in the current place and adjacent places and the final allocation results of experts for different quantities as samples. Therefore, the number of results for each application function in the corresponding place, that is, the number of centers, can be directly obtained.

[0048] In this embodiment, the original deployment quantity refers to the quantity involved in the site deployment system.

[0049] In this embodiment, the average deployment quantity of the proximity graph refers to the average value of the corresponding quantity of applications in each location, and the quantity variance is the variance of the number of equipment corresponding to the same application in each location in the proximity graph.

[0050] The integrated deployment system includes the final number of equipment corresponding to different applications in different locations.

[0051] The beneficial effect of the above technical solution is: by constructing a quantity array and a proximity graph, it is convenient to directly and effectively analyze the number of centers of equipment implemented in the site based on the model, and then by comparing the quantity and variance involved in the proximity graph, the final number can be effectively determined, system integration can be achieved, the reliability of equipment installation can be guaranteed, and multiple user needs can be further met.

[0052] The present invention provides a multifunctional intelligent V2G equipment system, wherein the V2G equipment is equipment for bidirectional flow of energy between a power grid and a vehicle.

[0053] Furthermore, the V2G equipment includes: a pre-lightning circuit breaker 1, a lightning arrester 2, a current transformer 3, a three-phase electric meter 4, a single-phase auxiliary circuit breaker 5, an AC molded case circuit breaker 6, a converter 7, a DC molded case circuit breaker 8, a main circuit DC contactor 9, a DC-DC charging module 10, a DC-DC charging module 11, a DC fuse 12, a DC fuse 16, a DC fuse 19, a DC fuse 23, a shunt 13, a shunt 20, a switching DC contactor 14, a switching DC contactor 17, a switching DC contactor 18, a switching DC contactor 21, a switching DC contactor 24, a switching DC contactor 25, a DC charging gun 15 and a DC charging gun 22.

[0054] Furthermore, the specific execution logic of the V2G equipment includes: When the V2G equipment is in a normal charging state, the lightning protection front circuit breaker 1 is closed, the single-phase auxiliary power circuit breaker 5 is closed, the auxiliary power circuit is energized, the AC molded case circuit breaker 6 is closed, and the converter 7 is energized.

[0055] When the main circuit DC contactor 9 is closed, the DC-DC charging module 10 and the DC-DC charging module 11 are powered. When a single gun is charged at full power, the switching DC contactor 14 and the switching DC contactor 18 are closed, and the DC charging gun 15 discharges the vehicle. When two guns are charged at the same time, the switching DC contactor 18 is disconnected, the switching DC contactor 21 is closed, and the two guns discharge the vehicle at the same time. When the main circuit DC contactor 9 is disconnected, when the DC charging gun 15 is discharged from the vehicle to the grid, the switching DC contactor 14 is disconnected, and the switching DC contactors 17, 18, and 25 are closed. The current flows from the DC charging gun 15 through the DC fuse 16 and the switching DC contactor 17, and from the DC-DC charging module 10 to the switching DC contactor 18, and the current of the DC-DC charging module 11 flows to the converter 7 through the switching DC contactor 25, and then to the grid; When the DC charging gun 22 is discharged from the vehicle to the grid, the switching DC contactor 21 is disconnected, and the current flows from the DC fuse 23 through the switching DC contactor 24, and flows from the DC-DC charging module 10 to the switching DC contactor 18, and the current of the DC-DC charging module 11 flows to the converter 7 through the switching DC contactor 25, and then flows to the grid.

[0056] Furthermore, the main circuit DC contactor 9 is hardware interlocked with the switching DC contactor 17, the switching DC contactor 24, and the switching DC contactor 25; The switching DC contactor 14 is hardware interlocked with the switching DC contactor 17; The switching DC contactor 21 is hardware interlocked with the switching DC contactor 24 and the switching DC contactor 25 .

[0057] like Figure 2 As shown, this is a circuit structure diagram of V2G equipment.

[0058] In this embodiment, the purpose of setting the hardware interlock is to prevent software from being cut off accidentally, so as to improve safety.

[0059] The beneficial effect of the above technical solution is: by setting the circuit diagram of the V2G equipment, a basis is provided for charging, discharging and power scheduling.

[0060] The present invention provides a multifunctional intelligent V2G equipment system, wherein the health assessment module comprises: A structure determination unit, used to determine the connection deployment structure of all equipment in each final deployment system, and obtain an input-output diagram of each equipment, wherein the connection deployment structure includes: the interconnection between V2G equipment and the interconnection between vending equipment and V2G equipment; A probability estimation unit, used to estimate the probability of each device's battery being used for self-use and the probability of being used for external use according to the input-output graph of each device and the role played by each device in the corresponding community activity venue; The health assessment unit is used to obtain the battery health status of the final deployment system according to all the estimated results.

[0061] In this embodiment, the connection deployment structure refers to the interconnection circuits between various equipments.

[0062] In this embodiment, the determined connection deployment structure is obtained by inputting the number of vending equipment and the number of V2G equipment in the final deployment system into the circuit deployment model, and the circuit deployment model is obtained by training a neural network based on samples of different numbers of combinations of equipment and the connection conditions between the equipment, and therefore, can be directly obtained.

[0063] In this embodiment, the input-output diagram refers to the input lines and output lines of each device, as well as the connection terminals based on the input lines and the connection terminals based on the output lines.

[0064] In this embodiment, playing a role refers to the important role played by the corresponding equipment in the corresponding place.

[0065] In this embodiment, the probability of external use = the output possibility determined based on the input-output diagram of the corresponding equipment / the usage possibility of the input-output diagram of the corresponding equipment, and the probability of self-use = 1 - the probability of external use.

[0066] In this embodiment, all the estimation results refer to the probability of self-use and external use of each equipment in the final deployment system.

[0067] The beneficial effect of the above technical solution is: based on the connection deployment structure of the final deployment system, the corresponding input and output diagram is obtained, and the battery health status is further estimated by obtaining the probability of its own and external use, providing a basis for subsequent power scheduling.

[0068] The present invention provides a multifunctional intelligent V2G equipment system, wherein the health assessment unit comprises: A lifespan calculation subunit, configured to obtain a first lifespan based on a probability of the battery of each device being used for self-use and a probability of being used for external use; The loss combining subunit is used to obtain the battery health status of the final deployment system according to the battery model of each device's battery and the historical loss based on the battery model and in combination with all the first lifespans.

[0069] In this embodiment, the first lifespan=initial lifespan×(1−probability of self-use×loss coefficient of self-use−probability of external use×loss coefficient of external use).

[0070] In this embodiment, historical loss refers to the loss variation over time.

[0071] In this embodiment, the historical loss is obtained by matching from a model-loss comparison table, which contains different battery models and standard loss conditions over time that match the models, and the standard loss is for the reduction in lifespan.

[0072] In this embodiment, the battery health status is obtained by matching from a lifespan-health comparison table, and the table includes different second lifespans and health statuses matching the second lifespans.

[0073] Among them, the second life = first life × (1-life attenuation coefficient of historical loss).

[0074] The beneficial effects of the above technical solution are: the life span is obtained based on the probability of self-use and external use, and the battery health status is obtained in combination with historical losses, providing a basis for power scheduling.

[0075] The present invention provides a multifunctional intelligent V2G equipment system, wherein the electric energy dispatching module comprises: A matrix construction unit, configured to construct a health vector of the integrated deployment system according to the evaluation result, and to obtain an evaluation matrix by combining the estimated vectors respectively constructed based on the comprehensive estimated usage frequency of each final deployment system in the integrated deployment system in the target community and the estimated surplus of electric energy after each use; An electric energy analysis unit, used to perform electric energy analysis on each column vector in the evaluation matrix to obtain a final electric energy surplus; The size sorting unit is used to sort all the final power surpluses and lock the system that meets the dispatching standard as the backup system for power dispatching.

[0076] In this embodiment, health vector = {battery health status of each final deployment system}.

[0077] In this embodiment, the comprehensive estimated usage frequency and the estimated power surplus are determined based on the crowd attributes of the venue, and are obtained by matching the crowd attributes-system deployment-frequency-power comparison table, which contains the estimated usage frequency and estimated power surplus under different systems and different crowd attributes.

[0078] In this embodiment, , where each column of the matrix corresponds to an activity venue.

[0079] In this embodiment, .

[0080] In this embodiment, the scheduling standard means that the final power surplus should be half or more of the power of all equipment in the system in a fully charged state.

[0081] In this embodiment, the vending equipment has its own battery. When the power supply of the battery is insufficient for the equipment itself, the V2G equipment will be used for power supply.

[0082] The beneficial effects of the above technical solution are: constructing an evaluation matrix from three aspects: health, frequency of use, and power reserve, providing a basis for power analysis, and facilitating locking the backup system to realize power dispatch.

[0083] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional intelligent V2G equipment system, characterized in that: include: A system configuration module, used to configure a distributed deployment system under different application functions for the target community according to the community distribution map and group distribution map of the target community; A fusion processing module, used for performing system fusion processing on all decentralized deployment systems according to the function type of the application function to obtain a fusion deployment system, wherein the fusion deployment system includes a plurality of sub-deployment systems, and each sub-deployment system includes an implementation device of at least one application function, and the implementation device is related to the V2G device and the vending device; A health assessment module, used to match the location of the integrated deployment system with the target community to achieve system installation, and to evaluate the battery health status of the final deployment system of each community activity venue after the installation is completed; The power dispatching module is used to perform power dispatching on each final deployment system in the integrated deployment system according to the evaluation result.

2. The multifunctional intelligent V2G equipment system according to claim 1, characterized in that: The system configuration module includes: a place attribute determination unit, configured to determine community activity places based on the community distribution map, and determine place attributes depending on the place layout of each community activity place, wherein the place attributes are related to the activity type of the corresponding community activity place; A crowd attribute determination unit, used to determine the crowd attributes of each community activity venue based on the group distribution map, wherein the crowd attributes are related to the crowd age and crowd density; An importance analysis unit, used to determine the importance of corresponding community activity venues based on the venue attributes and crowd attributes; The original system construction unit is used to classify all community activity venues according to the venue attributes, and determine the initial deployment quantity of each application function under each community activity venue based on the importance involved in the same classification, the number of activity types involved in the venue attributes of each community activity venue, and the weight of the activity type, and build the original deployment system of the target community in combination with the venue location of the corresponding community activity venue; The system extraction unit is used to extract the original deployment system according to the corresponding application function to obtain a distributed deployment system.

3. The multifunctional intelligent V2G equipment system according to claim 1, characterized in that: The fusion processing module includes: A quantity extraction unit, used to respectively determine the community activity venues involved in each decentralized deployment system, obtain the venue deployment system of each community activity venue, and extract the quantity array based on different application functions in the venue deployment system; A center determination unit is used to sequentially obtain the adjacent places of each community activity place from the community distribution map to construct an adjacent map, and input all the quantity arrays and place locations involved in the adjacent map into the analysis model to obtain the number of centers involved in the equipment for each application function under the corresponding community activity place; A quantity determination unit, used to determine the number of centers of each application function involved in each community activity venue, the original deployment number and the average deployment number of the adjacent graph, and the quantity variance; A final determination unit, used for determining the final number of the corresponding community activity venues under the corresponding application function according to max (number of centers, original number of deployments) when the sum of the average number of deployments and the number variance is greater than the original number of deployments; Otherwise, according to min (number of centers, original deployment attributes), determine the final number of corresponding community activity venues under the corresponding application function; The integrated deployment system building unit is used to obtain the integrated deployment system of the target community according to the final number of different application functions involved in each community activity venue.

4. The multifunctional intelligent V2G equipment system according to claim 1, characterized in that: The V2G equipment is equipment that enables bidirectional flow of energy between the power grid and the vehicle.

5. The multifunctional intelligent V2G equipment system according to claim 4 is characterized in that: The V2G equipment comprises: a pre-lightning circuit breaker (1), a lightning arrester (2), a current transformer (3), a three-phase electric meter (4), a single-phase auxiliary circuit breaker (5), an AC molded case circuit breaker (6), a converter (7), a DC molded case circuit breaker (8), a main circuit DC contactor (9), a DC-DC charging module (10), a DC-DC charging module (11), a DC fuse (12), a DC fuse (16), a DC fuse (19), a DC fuse (23), a shunt (13), a shunt (20), a switching DC contactor (14), a switching DC contactor (17), a switching DC contactor (18), a switching DC contactor (21), a switching DC contactor (24), a switching DC contactor (25), a DC charging gun (15) and a DC charging gun (22).

6. The multifunctional intelligent V2G equipment system according to claim 5, characterized in that: The specific execution logic of the V2G equipment includes: When the V2G equipment is in a normal charging state, the lightning protection front circuit breaker (1) is closed, the single-phase auxiliary power circuit breaker (5) is closed, the auxiliary power circuit is energized, the AC molded case circuit breaker (6) is closed, and the converter (7) is energized; When the main circuit DC contactor (9) is closed, the DC-DC charging module (10) and the DC-DC charging module (11) are powered. When a single gun is charged at full power, the switching DC contactor (14) and the switching DC contactor (18) are closed, and the DC charging gun (15) discharges the vehicle. When two guns are charged at the same time, the switching DC contactor (18) is disconnected, and the switching DC contactor (21) is closed, and the two guns discharge the vehicle at the same time. When the main circuit DC contactor (9) is disconnected, when the DC charging gun (15) is discharged from the vehicle to the power grid, the switching DC contactor (14) is disconnected, the switching DC contactor (17), the switching DC contactor (18), and the switching DC contactor (25) are closed, and the current flows from the DC charging gun (15) through the DC fuse (16), the switching DC contactor (17), and the DC-DC charging module (10) to the switching DC contactor (18), and the current of the DC-DC charging module (11) flows to the converter (7) through the switching DC contactor (25), and then flows to the power grid; When the DC charging gun (22) is discharged from the vehicle to the power grid, the switching DC contactor (21) is disconnected, and the current flows from the DC fuse (23) through the switching DC contactor (24), and from the DC-DC charging module (10) to the switching DC contactor (18), and the current of the DC-DC charging module (11) flows to the converter (7) through the switching DC contactor (25), and then flows to the power grid.

7. The multifunctional intelligent V2G equipment system according to claim 6, characterized in that: The main circuit DC contactor (9) is hardware interlocked with the switching DC contactor (17), the switching DC contactor (24), and the switching DC contactor (25); The switching DC contactor (14) is hardware interlocked with the switching DC contactor (17); The switching DC contactor (21) is hardware interlocked with the switching DC contactor (24) and the switching DC contactor (25).

8. The multifunctional intelligent V2G equipment system according to claim 1, characterized in that: The health assessment module comprises: A structure determination unit, used to determine the connection deployment structure of all equipment in each final deployment system, and obtain an input-output diagram of each equipment, wherein the connection deployment structure includes: the interconnection between V2G equipment and the interconnection between vending equipment and V2G equipment; A probability estimation unit, used to estimate the probability of each device's battery being used for self-use and the probability of being used for external use according to the input-output graph of each device and the role played by each device in the corresponding community activity venue; The health assessment unit is used to obtain the battery health status of the final deployment system according to all the estimated results.

9. The multifunctional intelligent V2G equipment system according to claim 8, characterized in that: The health assessment unit comprises: A lifespan calculation subunit, configured to obtain a first lifespan based on a probability of the battery of each device being used for self-use and a probability of being used for external use; The loss combining subunit is used to obtain the battery health status of the final deployment system according to the battery model of each device's battery and the historical loss based on the battery model and in combination with all the first lifespans.

10. The multifunctional intelligent V2G equipment system according to claim 1, characterized in that: The electric energy scheduling module comprises: A matrix construction unit, configured to construct a health vector of the integrated deployment system according to the evaluation result, and to obtain an evaluation matrix by combining the estimated vectors respectively constructed based on the comprehensive estimated usage frequency of each final deployment system in the integrated deployment system in the target community and the estimated surplus of electric energy after each use; An electric energy analysis unit, used to perform electric energy analysis on each column vector in the evaluation matrix to obtain a final electric energy surplus; The size sorting unit is used to sort all the final power surpluses and lock the system that meets the dispatching standard as the backup system for power dispatching.

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