Battery management address distribution system

Abstract

The utility model relates to a battery management address distribution system in the field of battery management systems, which comprises a BAU distribution module, BCU transmission modules and an MCU, the BAU distribution module is connected with the MCU, receives a starting signal, sends a distribution signal to one BCU transmission module, is also responsible for receiving a completion signal of the other BCU transmission module, generates an ending signal and sends the ending signal to the MCU, and the MCU sends the ending signal to the BCU transmission module. And the BCU transmission modules are connected with the MCU and generate completion signals after receiving the distribution signals, and the MCU performs address distribution on the BCU transmission modules which do not receive the distribution signals in sequence. Compared with the prior art, according to the utility model, through the cooperative work of the BAU distribution module, the BCU transmission module and the MCU, the full-automatic process of address distribution is realized. All the modules receive and send distribution signals in sequence, it is ensured that the address distribution process is efficient and orderly, and complexity and errors caused by manual operation are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery management system, especially relates to a battery management address allocation system. BACKGROUND

[0002] The battery management system (total control BAU) is used for monitoring the state of the battery, preventing the battery from overcharging and overdischarging, prolonging the service life of the battery and improving the utilization rate of the battery. One battery management system can manage multiple battery cluster management units (main control BCU), since the battery management system adopts a multi-level architecture, and the buses are connected level by level, in order to realize the communication of the multi-level management system, ensure the accurate transmission and processing of information, and must set a unique address for each battery cluster management unit.

[0003] The existing address allocation for the battery cluster management unit mainly has two schemes. One is manual coding through a code switch. Although this method is direct, the operation process is cumbersome, and the coding error is easily caused by human factors. The second is software coding through the connection of the upper computer and CAN communication, but when the accessed battery clusters are more, the address allocation error problem is prone to occur.

[0004] Therefore, a battery management address allocation system is needed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to solve the above technical problems, the utility model provides a battery management system address allocation circuit, which ensures that the address allocation of each battery cluster management unit in the battery management system is efficient and accurate, and avoids errors caused by human errors and system complexity. The technical scheme of the utility model is as follows:

[0006] The utility model provides a battery management address allocation system, which comprises a BAU allocation module, a BCU transmission module and an MCU, and specifically as follows:

[0007] The BAU allocation module is connected with the MCU and is configured to receive the start signal of the MCU, is connected with one of the BCU transmission modules and is configured to send the allocation signal to one of the BCU transmission modules, is connected with another of the BCU transmission modules and is configured to receive the completion signal of the other BCU transmission module and generate an end signal to send to the MCU.

[0008] The BCU transmission module is connected with the MCU, the BCU transmission module is configured to receive the allocation signal and generate the completion signal, and the MCU is configured to allocate addresses to the BCU transmission modules that do not receive the allocation signal in turn.

[0009] In a possible implementation, the BCU transfer module includes a first BCU1 transfer module, an input end of the first BCU1 transfer module is connected to the BAU distribution module, and the first BCU1 transfer module is configured to receive the distribution signal sent by the BAU distribution module and generate a completion signal; and an output end of the first BCU1 transfer module is connected to the MCU, and the first BCU1 transfer module is configured to send the generated completion signal to the MCU.

[0010] In a possible implementation, the BCU transfer module includes a middle BCUi transfer module; an input end of the middle BCUi transfer module is connected to the MCU, and the middle BCUi transfer module is configured to receive the distribution signal sent by the MCU and generate a completion signal; and an output end of the middle BCUi transfer module is connected to the MCU, and the middle BCUi transfer module is configured to send the generated completion signal to the MCU.

[0011] In addition, the MCU is configured to send a distribution signal to the middle BCUi transfer module after receiving the completion signal sent by the first BCU1 transfer module, and receive the completion signal sent by the middle BCUi transfer module.

[0012] In a possible implementation, the middle BCUi transfer module is one or more, an input end of each of the middle BCUi transfer modules is connected to the MCU, and an output end of each of the middle BCUi transfer modules is connected to the MCU; and the MCU is configured to send a distribution signal to one of the middle BCUi transfer modules that has not received the distribution signal after receiving the completion signal sent by the first BCU1 transfer module, and receive the corresponding completion signal, complete the address distribution of the one of the middle BCUi transfer modules that has not received the distribution signal, and then perform address distribution on another one of the middle BCUi transfer modules that has not received the distribution signal, until the address distribution of all the middle BCUi transfer modules is completed.

[0013] In a possible implementation, the BCU transfer module further includes a last BCU n transfer module, an input end of the last BCU n transfer module is connected to the MCU, and the last BCU n transfer module is configured to receive the distribution signal of the MCU and generate a completion signal; and an output end of the last BCU n transfer module is connected to the BAU distribution module, and the last BCU n transfer module is configured to send the generated completion signal to the BAU distribution module.

[0014] The MCU is configured to send a distribution signal to the last BCU n transfer module after completing the address distribution of the middle BCUi transfer module.

[0015] In a possible implementation, the BAU distribution module comprises an ID distribution unit, an input end of the ID distribution unit being connected to the MCU for receiving a start signal of the MCU and generating a distribution signal, and an output end of the ID distribution unit being connected to the first BCU1 transfer module and configured to send the distribution signal to the first BCU1 transfer module.

[0016] In a possible implementation, the BAU distribution module further comprises a distribution completion unit, an input end of the distribution completion unit being connected to the last BCU n transfer module and configured to receive a completion signal of the last BCU n transfer module and generate an end signal, and an output end of the distribution completion unit being connected to the MCU and configured to send the end signal to the MCU.

[0017] In a possible implementation, the BCU transfer module comprises a first end, a second end and a first transfer unit, wherein an input end of the first transfer unit is connected to the BAU distribution module or the MCU through the first end and configured to receive a distribution signal sent by the BAU distribution module or the MCU and generate a completion signal, and an output end of the first transfer unit is connected to the MCU or the BAU distribution module through the second end and configured to send the generated completion signal to the MCU or the BAU distribution module.

[0018] In a possible implementation, the BCU transfer module further comprises a third end and a second transfer unit, an input end of the second transfer unit being connected to the BAU distribution module or the MCU through the third end and configured to receive a distribution signal sent by the BAU distribution module or the MCU and generate a completion signal, and an output end of the second transfer unit being connected to the MCU or the BAU distribution module through the first end and configured to send the generated completion signal to the MCU or the BAU distribution module.

[0019] In a possible implementation, the input end of the second transfer unit is connected to the BAU distribution module or the MCU through the third end and configured to receive a distribution signal sent by the BAU distribution module or the MCU and generate a first electrical signal, the output end of the second transfer unit is connected to the input end of the first transfer unit, the second transfer unit is configured to send the first electrical signal to the first transfer unit, and the output end of the first transfer unit is connected to the BAU distribution module or the MCU, and the first transfer unit is configured to receive the first electrical signal and generate a completion signal and send the completion signal to the BAU distribution module or the MCU.

[0020] The advantages of the utility model are as follows:

[0021] 1. The utility model discloses a full automation process from starting to ending is designed, and through the transmission of completion signal and end signal, the system can automatically judge and complete entire address allocation task, reduces the need of human intervention, improves the stability and reliability of system.

[0022] 2. The utility model discloses through the real -time monitoring and control of each BCU module's allocation state of MCU, only after receiving the completion signal of former BCU module, continue to send allocation signal to next BCU module. This step -by -step transmission method effectively avoids the omission and error in address allocation process. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only one embodiment of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0024] Wherein the same parts are indicated by the same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0025] Figure 1 It is the overall structural diagram of the embodiment of the utility model.

[0026] Figure 2 It is the structure schematic view of BCU allocation module in the embodiment of the utility model

[0027] Figure 3 It is the structure schematic view of BCU transmission module in the embodiment of the utility model

[0028] In the above drawings, the meanings of the reference numerals are as follows:

[0029] 1. BAU allocation module;

[0030] 11. ID allocation unit; 12. allocation completion unit;

[0031] 2. BCU transmission module;

[0032] 21. first BCU1 transmission module; 22. BCU2 transmission module; 23. middle BCUi transmission module; 24. last BCUun transmission module; 25. first end; 26. second end; 27. first transmission unit; 28. third end; 29. second transmission unit;

[0033] 3. MCU. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below in connection with the embodiments of the present application and the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0035] Unless otherwise defined, all the technical and scientific terms used in the present application have the same meanings as those commonly understood by those skilled in the art to which the present application belongs; the terms used in the specific embodiments are only for the purpose of describing the specific embodiments, and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion.

[0036] In the description of the specific embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified.

[0037] In the present application, "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment to other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described in the present application can be combined with other embodiments.

[0038] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in the present application generally represents a "or" relationship between the front and rear associated objects.

[0039] Throughout this invention, numerical values ​​represent approximate measurements or limits of a range to cover minute deviations from a given value, as well as embodiments having approximately the mentioned value and embodiments having the exact mentioned value. Except for the working examples provided at the end of the detailed description, all numerical values ​​of parameters, quantities, or conditions in the appended claims should be understood to be modified in all cases by the term “about,” regardless of whether “about” actually appears before the numerical value. “About” indicates that the stated numerical value allows for some minute inaccuracy that is somewhat close to the exact value of the value; approximately or reasonably close to the value; almost. If the inaccuracy provided by “about” is not otherwise understood in this common sense in the art, then “about” as used in this invention at least indicates a variation that can be produced by common methods of measuring and using such parameters. For example, “about” may include a variation of less than or equal to 5%, optionally less than or equal to 4%, optionally less than or equal to 3%, optionally less than or equal to 2%, optionally less than or equal to 1%, optionally less than or equal to 0.5%, and in some respects, optionally less than or equal to 0.1%.

[0040] Additionally, the disclosure of the range includes the disclosure of all values ​​across the entire range and the disclosure of further subdivided ranges, including the endpoints and subranges given for these ranges.

[0041] The embodiments of the present invention will be described in more detail below through examples. It should be noted that the embodiments of the present invention are not limited to these examples.

[0042] Example

[0043] This embodiment proposes an address allocation circuit for a battery management system, such as... Figure 1 As shown, it includes a BAU allocation module 1, several BCU transmission modules 2, and an MCU 3, wherein,

[0044] BAU allocation module 1, connected to MCU3, is configured to receive the start signal from MCU3; connected to one of the BCU transmission modules 2, it is configured to send an allocation signal to one of the BCU transmission modules 2; and connected to the other BCU transmission module 2, it is configured to receive the completion signal from the other BCU transmission module 2 and generate an end signal to send to MCU3. BCU transmission module 2 is connected to MCU3, configured to receive the allocation signal and generate the completion signal, and MCU3 is configured to sequentially allocate addresses to BCU transmission modules 2 that have not received an allocation signal.

[0045] Specifically, the plurality of BCU transfer modules 2 at least include two. When address allocation is required, the MCU 3 first sends a start signal to the BAU allocation module 1, the BAU allocation module 1 generates an allocation signal after receiving the start signal, and sends it to one of the BCU transfer modules 2, for example, transfer module A. After receiving the allocation signal, the transfer module A generates a completion signal and sends it to the MCU 3. The MCU 3 sequentially allocates addresses to other transfer modules until the last BCU transfer module 2, for example, transfer module B. After receiving the allocation signal from the MCU 3, the transfer module B sends a completion signal to the BAU allocation module 1, so that the BAU allocation module 1 sends an end signal to the MCU 3 after receiving the completion signal from the transfer module B. In this way, the address allocation of the BCU transfer module 2 is completed. Through this setting, the tedious coding process of manual coding can be avoided, and the problem of allocation error of the host computer software coding to the address allocation of the multi-battery cluster can also be avoided.

[0046] In some specific embodiments, the BCU transfer module 2 includes a first BCU1 transfer module 21, the input end of the first BCU1 transfer module 21 is connected to the output end of the BAU allocation module 1, and is configured to receive the allocation signal sent by the BAU allocation module 1 and generate a completion signal; the output end of the first BCU1 transfer module 21 is connected to the MCU 3, and is configured to send the generated completion signal to the MCU 3.

[0047] During address allocation, the BAU allocation module 1 sends the generated allocation signal to the first BCU1 transfer module 21, so that the first BCU1 transfer module 21 sends the generated completion signal to the MCU 3 to realize the address allocation of the first BCU1 transfer module 21.

[0048] In some embodiments, the BCU transfer module 2 includes a middle BCUi transfer module 23; the input end of the middle BCUi transfer module 23 is connected to the MCU 3, and is configured to receive the allocation signal sent by the MCU 3 and generate a completion signal; the output end of the middle BCUi transfer module 23 is connected to the MCU 3, and is configured to send the generated completion signal to the MCU 3; the MCU 3 is configured to send the allocation signal to the middle BCUi transfer module 23 after receiving the completion signal sent by the first BCU1 transfer module 21, and receive the completion signal sent by the middle BCUi transfer module 23.

[0049] Specifically, the middle BCUi transfer module 23 is one to multiple, the input end of each middle BCUi transfer module 23 is connected with the MCU 3, and the output end of each middle BCUi transfer module 23 is connected with the MCU 3; the MCU 3 is configured to, after receiving the completion signal sent by the first BCU1 transfer module 21, send the distribution signal to one of the middle BCUi transfer modules 23 which does not receive the distribution signal, and receive the corresponding completion signal, complete the address distribution of one of the middle BCUi transfer modules 23 which does not receive the distribution signal, and then distribute the address to another middle BCUi transfer module 23 which does not receive the distribution signal, until the address distribution of all the middle BCUi transfer modules 23 is completed.

[0050] In the address distribution, after receiving the completion signal of the first BCU1 transfer module 21, the MCU 3 sends the distribution signal to one of the middle BCUi transfer modules 23, for example, the BCU2 transfer module 22, the BCU2 transfer module 22 generates the completion signal and sends it to the MCU 3, after receiving the completion signal sent by the BCU2 transfer module 22, the MCU 3 sends the distribution signal to another middle BCUi transfer module 23 which does not receive the distribution signal (for example, the BCU3 transfer module), and receives the completion signal of the BCU3 transfer module, and so on, until the address distribution of all the middle BCUi transfer modules 23 is completed.

[0051] In some embodiments, the BCU transfer module 2 further comprises a last BCU n transfer module 24, the input end of the last BCU n transfer module 24 is connected with the MCU 3, and is configured to receive the distribution signal of the MCU 3 and generate the completion signal; the output end of the last BCU n transfer module 24 is connected with the BAU distribution module 1, and is configured to send the generated completion signal to the BAU distribution module 1. The MCU 3 is configured to, after completing the address distribution of the middle BCUi transfer module 23, send the distribution signal to the last BCU n transfer module 24.

[0052] Through the above setting, after the power-on, the address distribution system sends the start signal to the BAU distribution module 1 through the MCU 3, and starts the address distribution. Then the BAU distribution module 1 sends the distribution signal to the first BCU1 transfer module 21, the first BCU1 transfer module 21 sends the completion signal to the MCU 3 after receiving the distribution signal, the MCU 3 sends the distribution signal to the middle BCUi transfer module 23 after receiving the completion signal, and then the signal distribution of several middle BCUi transfer modules 23 is realized in turn, and then the distribution signal is transmitted, after the transmission is completed, the last BCU n transfer module 24 sends the completion signal to the BAU distribution module 1, so that the BAU distribution module 1 generates the end signal and sends it to the MCU 3 after receiving the completion signal, and the address distribution is completed.

[0053] In some embodiments, as shown in Figure 2 The BAU distribution module 1 includes an ID distribution unit 11, the input end of which is connected to the MCU 3 for receiving the start signal of the MCU 3 and generating a distribution signal; and the output end is connected to the first BCU 1 transfer module 21, which is configured to send the distribution signal to the BCU 1 transfer module 21.

[0054] The BAU distribution module 1 further includes a distribution completion unit 12, the input end of which is connected to the last BCU n transfer module 24, which is configured to receive the completion signal of the last BCU n transfer module 24 and generate an end signal; and the output end is connected to the MCU 3, which is configured to send the end signal to the MCU 3.

[0055] In some embodiments, as shown in Figure 3 The BCU transfer module 2 includes a first end 25, a second end 26 and a first transfer unit 27; wherein the input end of the first transfer unit 27 is connected to the BAU distribution module 1 or the MCU 3 through the first end 25, which is configured to receive the distribution signal sent by the BAU distribution module 1 or the MCU 3 and generate a completion signal; and the output end of the first transfer unit 27 is connected to the MCU 3 or the BAU distribution module 1 through the second end 26, which is configured to send the generated completion signal to the MCU 3 or the BAU distribution module 1.

[0056] The BCU transfer module further includes a third end 28 and a second transfer unit 29, the input end of the second transfer unit 29 is connected to the BAU distribution module 1 or the MCU 3 through the third end 28, which is configured to receive the distribution signal sent by the BAU distribution module 1 or the MCU 3 and generate a completion signal; and the output end of the second transfer unit 29 is connected to the MCU 3 or the BAU distribution module 1 through the first end 25, which is configured to send the generated completion signal to the MCU 3 or the BAU distribution module 1.

[0057] The input end of the second transfer unit 29 is connected to the BAU distribution module 1 or the MCU 3 through the third end 28, which is configured to receive the distribution signal sent by the BAU distribution module 1 or the MCU 3 and generate a first electrical signal; the output end of the second transfer unit 29 is connected to the input end of the first transfer unit 27, and the second transfer unit 29 is configured to send the first electrical signal to the first transfer unit 27; the output end of the first transfer unit 27 is connected to the BAU distribution module 1 or the MCU 3, and the first transfer unit 27 is configured to receive the first electrical signal and generate a completion signal, and send the completion signal to the BAU distribution module 1 or the MCU 3.

[0058] Through the above setting, the BCU transmission module 2 is connected in the system, and address transmission can be realized by cooperation of the MCU 3 and the BCU transmission module 2. And the first end 25 can be used as an input end to cooperate with the second end 26 to output a signal, or can be used as an output end to cooperate with the third end 28 as an input end to realize the output of a signal, in addition, the third end 28 can also be used as an input end to cooperate with the second end 26 as an output end. Through the multi-port setting, the continuity of the address allocation of the BCU transmission module 2 can be ensured, and the reliability of the entire address allocation system can be improved.

[0059] It should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A battery management address allocation system, characterized by, The BCU transfer module is connected with the MCU, and is configured to receive the distribution signal and generate the completion signal. The BCU transfer module is connected with the MCU, and is configured to receive the distribution signal and generate the completion signal. The BCU transfer module includes a first BCU1 transfer module, an input end of the first BCU1 transfer module is connected with an output end of the BAU distribution module, and is configured to receive the distribution signal sent by the BAU distribution module and generate the completion signal; and an output end of the first BCU1 transfer module is connected with the MCU, and is configured to send the generated completion signal to the MCU.

2. The battery management address assignment system of claim 1, wherein, The MCU is configured to send the distribution signal to the middle BCUi transfer module after receiving the completion signal sent by the first BCU1 transfer module, and send the distribution signal to the MCU after receiving the completion signal sent by the middle BCUi transfer module.

3. The battery management address assignment system of claim 2, wherein, The middle BCUi transfer module is one or more, an input end of each middle BCUi transfer module is connected with the MCU, and an output end of each middle BCUi transfer module is connected with the MCU; the MCU is configured to send the distribution signal to one of the middle BCUi transfer modules which does not receive the distribution signal after receiving the completion signal sent by the first BCU1 transfer module, receive the corresponding completion signal, complete the address distribution of one of the middle BCUi transfer modules which does not receive the distribution signal, and then distribute the address to another middle BCUi transfer module which does not receive the distribution signal until the address distribution of all the middle BCUi transfer modules is completed. The BCU transfer module further includes a last BCU n transfer module, an input end of the last BCU n transfer module is connected with the MCU, and is configured to receive the distribution signal of the MCU and generate the completion signal; and an output end of the last BCU n transfer module is connected with the BAU distribution module, and is configured to send the generated completion signal to the BAU distribution module.

4. The battery management address assignment system of claim 3, wherein, The MCU is configured to send the distribution signal to the last BCU n transfer module after completing the address distribution of the middle BCUi transfer module.

5. The battery management address assignment system of claim 4, wherein, ​ ​ 6. The battery management address assignment system of claim 5, wherein, The BAU distribution module comprises an ID distribution unit, an input end of which is connected to the MCU, for receiving a start signal of the MCU and generating a distribution signal; and an output end thereof is connected to the first BCU1 transmission module, configured to send the distribution signal to the first BCU1 transmission module.

7. The battery management address assignment system of claim 6, wherein, The BAU distribution module further comprises a distribution completion unit, an input end of which is connected to the last BCU transmission module, configured to receive a completion signal of the last BCU transmission module and generate an end signal; and an output end thereof is connected to the MCU, configured to send the end signal to the MCU.

8. The battery management address allocation system of any one of claims 1-7, wherein, The BCU transmission module comprises a first end, a second end and a first transmission unit; wherein the input end of the first transmission unit is connected to the BAU distribution module or the MCU through the first end, configured to receive a distribution signal sent by the BAU distribution module or the MCU and generate a completion signal; and the output end of the first transmission unit is connected to the MCU or the BAU distribution module through the second end, configured to send the generated completion signal to the MCU or the BAU distribution module.

9. The battery management address assignment system of claim 8, wherein, The BCU transmission module further comprises a third end and a second transmission unit, the input end of the second transmission unit is connected to the BAU distribution module or the MCU through the third end, configured to receive a distribution signal sent by the BAU distribution module or the MCU and generate a completion signal; and the output end of the second transmission unit is connected to the MCU or the BAU distribution module through the first end, configured to send the generated completion signal to the MCU or the BAU distribution module.

10. The battery management address assignment system of claim 9, wherein, The input end of the second transmission unit is connected to the BAU distribution module or the MCU through the third end, configured to receive a distribution signal sent by the BAU distribution module or the MCU and generate a first electric signal; the output end of the second transmission unit is connected to the input end of the first transmission unit, and the second transmission unit is configured to send the first electric signal to the first transmission unit; and the output end of the first transmission unit is connected to the BAU distribution module or the MCU, and the first transmission unit is configured to receive the first electric signal and generate a completion signal, and send the completion signal to the BAU distribution module or the MCU.

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