CN208873840U - Battery management system - Google Patents
Battery management system Download PDFInfo
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- CN208873840U CN208873840U CN201820763912.8U CN201820763912U CN208873840U CN 208873840 U CN208873840 U CN 208873840U CN 201820763912 U CN201820763912 U CN 201820763912U CN 208873840 U CN208873840 U CN 208873840U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of battery management systems, carry out balance protection management, including management module and at least two functional modules for the performance to each battery strings in the battery pack being serially connected, are wirelessly connected between management module and at least two functional modules；At least two functional modules are parallel to respectively in each battery strings, to corresponding battery strings electric energy supplement.The system realizes the communication between functional module and management module by the way of wireless transmission, many and diverse wiring is eliminated, so that the volume of whole system is smaller.
Description
Technical field
The utility model relates to battery technology fields, more particularly to a kind of battery management system.
Background technique
Currently, concatenated battery pack be because that can provide high voltage, and be widely used in electric car, accumulation of energy network system etc.
In field.But battery pack is to connect and form again on the basis of the single battery core of multiple parallel connections, in the battery pack course of work
In, due to having differences between single battery core, it is unbalanced that continuous cycle charge-discharge will will lead to each single battery core capacity, specifically
Show as the sharp-decay of certain single battery core capacity.And the capacity of battery pack is determined by the single battery core of minimum capacity, therefore
The unbalanced cycle life sharp-decay that will make battery pack of single battery core capacity.Traditional technology mainly uses high current active equalization
The characteristics of technology solves the problems, such as that single battery core capacity is unbalanced, the technology is by the monitoring module in parallel with battery pack come real
When monitor physical descriptor, the environment temperature of each group of battery, and inline diagnosis and early warning, so that the charge and discharge for controlling battery pack is electrical
Energy.But due to more than the terminal strip number between monitoring module and battery pack, between monitoring module and management module and many and diverse, so that whole
Volume is relatively large for a battery balanced management system.
Utility model content
Based on this, it is necessary to for the terminal strip between monitoring module and battery pack, between monitoring module and management module
More and many and diverse problem is counted, a kind of battery management system is provided.
A kind of battery management system carries out balance protection management to the performance of each battery strings in the battery pack being serially connected,
The system is made of management module and at least two functional modules, is wirelessly connected between the management module and the functional module
It connects；At least two functional module is parallel to respectively in each battery strings, to corresponding battery strings electric energy supplement.
The functional module includes sampling unit, processing unit, the first wireless receiving and dispatching list in one of the embodiments,
Member, control unit and power supply unit；The power supply unit is constant current isolated power supply.
The management module includes the second wireless transmit/receive units and administrative unit in one of the embodiments,.
The system also includes power conversion modules in one of the embodiments,；The power conversion module and mutually
Concatenated battery pack is in parallel, and the output end of the power conversion module is connect with each functional module, provides power supply for functional module.
The system also includes battery administration modules in one of the embodiments, monitor voltage, the electricity of entire battery pack
The parameters such as stream, are supplied to management module.
Several first switch units are connected in the battery pack being serially connected in one of the embodiments, in system
When not working, entire battery pack is decomposed into safe voltage；The management module further includes second switch unit for protecting, controlling
Make the operation of entire battery pack.
The system also includes battery administration module, management module and battery pack temperature controls in one of the embodiments,
The temperature information that system part is connected, and is provided according to several functional modules, the cooling of control battery pack or heating.
At least two functional module is parallel to respectively in each battery strings in one of the embodiments, for each
The physical parameter of battery strings is detected, and obtains testing result, and the testing result is wirelessly transmitted to the management module,
At least two functional module is also used to the reference value of the transmission of management module described in wireless receiving, supplements corresponding battery strings
Electric energy；
The management module chooses reference value from the testing result for testing result described in wireless receiving, then
The reference value is wirelessly transmitted to each at least two functional module respectively.
The sampling unit is adopted for sampling to the physical parameter of battery strings in one of the embodiments,
Sample is as a result, and be sent to the processing unit for the sampled result；
The processing unit, and will treated that sampled result is sent to is described for handling the sampled result
First wireless transmit/receive units, are also used to receive the reference value that first wireless transmit/receive units are sent, and by the reference
Sampled result is compared value with treated, obtains comparison result, and the comparison result is sent to described control unit；
For receiving treated sampled result, and to treated, sampled result carries out first wireless transmit/receive units
Transmission is also used to receive the reference value that the management module is sent, and transmits to the reference value；
The power supply unit for the sampling unit, the processing unit and first wireless transmit/receive units for providing
Electric energy；
Described control unit is used to receive the comparison result that the processing unit is sent, and is controlled according to the comparison result
Being turned on or off between battery strings and the power supply unit.
The physical parameter includes the voltage of battery strings in one of the embodiments,.
Above-mentioned battery balanced management system is realized by the wireless transmission between functional module and management module by each electricity
The physical parameter of pond string is wirelessly transmitted to management module, and same management module can also transmit wirelessly the reference value screened
To functional module, thus be compared functional module can according to the physical parameter of itself detected battery strings with the reference value,
To decide whether to carry out charge and discharge to the battery strings.Therefore, the battery equalization system is real by the way of wireless transmission
The communication between functional module and management module is showed, so that many many and diverse wiring are eliminated, so that the volume of whole system
It is smaller.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings the attached drawing of other embodiments.
Fig. 1 is the circuit block diagram for the battery management system that an embodiment provides；
Fig. 2 is the circuit block of one of embodiment of functional module in the battery management system of Fig. 1 illustrated embodiment
Figure；
Fig. 3 is the circuit block of one of embodiment of management module in the battery management system of Fig. 1 illustrated embodiment
Figure；
Fig. 4 is the electricity of one of embodiment of power conversion module in the battery management system of Fig. 1 illustrated embodiment
Road block diagram；
Fig. 5 is the electricity of one of embodiment of battery administration module in the battery management system of Fig. 1 illustrated embodiment
Road block diagram；
Fig. 6 is the circuit block diagram of one of embodiment of the battery administration module of embodiment illustrated in fig. 5；
Fig. 7 is wherein one of first switch unit and second switch unit in the battery management system of embodiment illustrated in fig. 5
The circuit block diagram of a embodiment；
Fig. 8 is the circuit of one of embodiment of second switch unit in the battery management system of embodiment illustrated in fig. 7
Block diagram.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to utility model
The normally understood meaning of technical staff it is identical.It is intended merely to retouch in the term used in the description of utility model herein
State the purpose of specific embodiment, it is not intended that limitation the utility model.Term as used herein "and/or" include one or
Any and all combinations of multiple relevant listed items.
Referring to FIG. 1, an embodiment provides a kind of battery management system.The battery management system is used for mutual string
The performance of each battery strings carries out balance protection management in the battery pack of connection.The system includes management module 120 and at least two function
It can module 110.It is wirelessly connected between management module 120 and functional module 110.
At least two functional modules 110 are parallel to respectively in each battery strings, to corresponding battery strings electric energy supplement.Specifically
Ground, a functional module 110 in parallel in a battery strings, the functional module is to corresponding battery strings electric energy supplement.
In one embodiment, at least two functional modules 110 are obtained for detecting to the physical parameter of each battery strings
Testing result, and will test result and be wirelessly transmitted to management module 120.Specifically, each functional module 110 is to connected in parallel
The physical parameters of battery strings detected, corresponding testing result is obtained after detection, each functional module 110 again will be respective
Testing result be wirelessly transmitted to management module 120 respectively.In one embodiment, physical parameter includes the voltage of battery strings.Separately
Outside, physical parameter is also possible to the electricity of battery strings, battery strings temperature and environment temperature etc..
At least two functional modules 110 are also used to the reference value of the transmission of wireless receiving management module 120, to corresponding battery
String electric energy supplement.Specifically, the reference value that each functional module 110 can be sent with wireless receiving management module 120, and will
The reference value is compared with the testing result that itself is surveyed, if it is judged that testing result is not equal to the reference value, then accordingly
The meeting of the functional module 110 battery strings electric energy supplement in parallel to it.Wherein, which sent out from each functional module 110
It is screened in the testing result sent according to certain condition.The reference value can be a specific value, be also possible to one
Numberical range.In one embodiment, maximum voltage is chosen from voltage detecting result transmitted by each functional module 110
Value, as reference value.
Management module 120 is used for wireless receiving testing result, and reference value is chosen from testing result, then reference value is divided
It is not wirelessly transmitted to each at least two functional module 110.Specifically, each 110 institute of functional module of 120 wireless receiving of management module
The testing result of transmission, and reference value is filtered out according to certain condition from each testing result, then the reference value is wirelessly sent out
It send into each functional module 110.In one embodiment, transmitted by each functional module 110 of 120 wireless receiving of management module
Voltage value, and maximum value is filtered out from each voltage value, it is wirelessly transmitted to respectively as reference value, then by the maximum voltage value
In a functional module 110.
Above-mentioned battery balanced management system, by the wireless transmission between each functional module 110 and management module 120,
It realizes and the physical parameter of each battery strings is wirelessly transmitted to management module 120, same management module 120 can also will be screened
Reference value be wirelessly transmitted to each functional module 110, to make each functional module 110 can be according to itself detected battery strings
Physical parameter be compared with the reference value, thus decide whether to the battery strings carry out charge and discharge.Therefore, the battery
Equal balance system realizes the communication between each functional module 110 and management module 120 by the way of wireless transmission, to save
Many many and diverse wiring are gone, so that the volume of whole system is smaller.
In one embodiment, referring to FIG. 2, functional module 110 includes sampling unit 111, processing unit 112, the first nothing
Line Transmit-Receive Unit 113, control unit 114 and power supply unit 115.Power supply unit is constant current isolated power supply.Specifically, sampling unit
111 are connected to the positive and negative end of battery strings, sampling unit 111, processing unit 112, the first wireless transmit/receive units 113 and power supply
Unit 115 is successively in parallel, and input terminal, control terminal and the output end of control unit 114 are connected respectively power supply unit 115, place
Manage the anode of unit 112 and battery strings.
In one embodiment, sampling unit 111 is used to sample the physical parameter of battery strings, obtains sampled result,
And sampled result is sent to processing unit 112.Specifically, physical parameter of the sampling unit 111 to battery strings connected to it
It is sampled, obtains relevant sampled result, then sampled result obtained is sent to processing unit 112.In an embodiment
In, sampling unit 111 samples the voltage of battery strings, obtains the voltage value of the battery strings, then the voltage value is sent to
Processing unit 112.
For handling sampled result, and by treated, sampled result is sent to first wirelessly to processing unit 112
Transmit-Receive Unit 113.Specifically, processing unit 112 receive sampling unit 111 send sampled result, and to the sampled result into
Row respective handling, then sampled result is sent to the first wireless transmit/receive units 113 by treated.In one embodiment, processing is single
Member 112 receives the voltage value that sampling unit 111 is sent, and does respective handling to the voltage value, and treated, and voltage value retransmits
To the first wireless transmit/receive units 113.
Processing unit 112 is also used to receive the reference value of the first wireless transmit/receive units 113 transmission, and by reference value and handles
Sampled result afterwards is compared, and obtains comparison result, and comparison result is sent to control unit 114.Specifically, processing is single
Member 112 receives the reference value that the first wireless transmit/receive units 113 are sent, and by the reference value and treated sampled result row ratio
Compared with obtaining corresponding comparison result, the comparison result be also sent to control unit 114.In one embodiment, processing unit
112 receive the maximum voltage value that the first wireless transmit/receive units 113 are sent, and by the maximum voltage value and treated voltage value into
Row compares, obtain maximum voltage value greater than, equal to or one of be less than treated voltage value these three comparison results, and will
One of comparison result is sent to control unit 114.
For receiving treated sampled result, and to treated, sampled result carries out first wireless transmit/receive units 113
Transmission.Specifically, the first wireless transmit/receive units 113 receive treated the sampled result of processing unit 112, and will treated adopts
Sample result is transmitted to management module 120.First wireless transmit/receive units 113 are also used to receive the reference value of the transmission of management module 120,
And reference value is transmitted.Specifically, the first wireless transmit/receive units 113 also receive the reference value of the transmission of management module 120, and
The reference value is transmitted to processing unit 112 again.In one embodiment, the first wireless transmit/receive units 113 receive processing unit 112
The maximum that treated voltage value, and the voltage value is wirelessly transmitted to management module 120, also reception management module 120 are sent
Voltage value, and the maximum voltage value is transmitted to processing unit 112.
Power supply unit 115 is used to provide electricity for sampling unit 111, processing unit 112 and the first wireless transmit/receive units 113
Energy.Wherein, which can be various types of power supplys, as long as electric energy can be provided for other units.
Control unit 114 is used to receive the comparison result of the transmission of processing unit 112, and controls battery strings according to comparison result
Being turned on or off between power supply unit 115.In one embodiment, control unit 114 receives processing unit 112 and sends most
When big voltage value is more than or less than that treated this comparison result of voltage value, then control between battery strings and power supply unit 115
Conducting, to carry out charge and discharge to battery strings；Control unit 114 receives the maximum voltage value that processing unit 112 is sent and is equal to place
When this comparison result of voltage value after reason, then the separated of battery strings and power supply unit 115 is controlled.
In one embodiment, referring to FIG. 3, management module 120 includes the second wireless transmit/receive units 121 and administrative unit
122.Specifically, 121 connection management unit 122 of the second wireless transmit/receive units.
In one embodiment, the second wireless transmit/receive units 121 are used to receive the detection of at least one functional module 110 transmission
As a result, and carrying out being transmitted to administrative unit 122 to testing result.It is also used to receive the reference value of the transmission of administrative unit 122, and right
Reference value is transmitted.Specifically, the second wireless transmit/receive units 121 receive the voltage value that each functional module 110 is sent, and will
Each voltage value is transmitted to administrative unit 122.The maximum voltage value that administrative unit 122 is sent also is received simultaneously, and by the maximum
Voltage value is wirelessly transmitted to each functional module 110.
Administrative unit 122 is compared testing result for receiving testing result, obtains reference value, and will refer to
Value is sent to the second wireless transmit/receive units 121.Specifically, administrative unit 122 receives the detection knot that each functional module 110 is sent
Fruit, and being compared between each testing result, chooses maximum testing result as reference value, then by selected reference value
It is sent to the second wireless transmit/receive units 121.
In one embodiment, referring to FIG. 4, the system further includes power conversion module 130.Power conversion module 130 with
The battery pack being serially connected is in parallel, and the output end of power conversion module 130 is connect with each functional module 110, is functional module 110
Power supply is provided.Specifically, the positive and negative anodes of power conversion module 130 are connected respectively external power supply.Between each battery pack mutually
Series connection is to provide electric energy for outside, and power conversion module 130 is in parallel with the battery pack being serially connected, while the power supply is converted
The positive and negative anodes of module 130 and the positive and negative anodes of external power supply connect, so that high voltage provided by external power supply is converted to low electricity
Pressure.The voltage that power conversion module 130 is inputted for reducing external power supply, and the voltage after reduction is transmitted separately at least
One functional module 110 and management module 120.Specifically, power conversion module 130 by high voltage provided by external power supply into
Row reduces, then by the voltage transmission after reduction into each functional module 110 and management module 120.
In one embodiment, which further includes external power supply.External power supply respectively at least two functional modules 110 and
Management module 120 connects.Specifically, with continued reference to FIG. 1, positive and negative anodes U+, U- of external power supply respectively with each functional module
110 positive and negative anodes U+, U-, the positive and negative anodes U+ of management module 120, U-phase connect.External power supply is for being respectively at least two functions
Module 110 and management module 120 provide electric energy.Wherein external power supply can be the power supply of each type, as long as can be function mould
Block 110 and management module 120 provide power supply.In addition, the electric energy of each functional module 110 and management module 120 can also be by phase
Mutually concatenated battery strings provide.
In one embodiment, referring to FIG. 5, the system further includes battery administration module 140.Battery administration module 140 is supervised
The parameters such as voltage, the electric current of entire battery pack are controlled, management module 120 is supplied to.Battery administration module 140 and the electricity being serially connected
The series connection of pond group.Battery administration module 140 obtains voltage value, electric current for detecting the parameters such as the voltage by battery pack, electric current
Value, and voltage value, current value are wirelessly transmitted to management module 120.Specifically, referring to FIG. 6, battery administration module 140 wraps
Include current sampling unit 141, current processing unit 142, third wireless transmit/receive units 143 and isolated power supply 144.
In one embodiment, referring to FIG. 7, being connected with several first switch units 150 in the battery pack being serially connected,
When system does not work, entire battery pack is decomposed into safe voltage；Management module 120 further includes second switch unit 123, the
Two switch units 123 are used to protect, control the operation of entire battery pack.First switch is connected between the battery pack being serially connected
Unit 150, management module 120 further include second switch unit 123.Second switch unit 123 is correspondingly connected with first switch unit
150.Second switch unit 123 is used to be disconnected or be connected according to the received current value of management module 120, and then controls first switch
Unit 150 disconnects or conducting.Wherein, referring to FIG. 8, second switch unit 123 includes relay, relay includes coil 1231
With switch 1232,1231 connection management unit 122 of coil, switch 1232 is correspondingly connected with first switch unit 150.First switch list
Member 150 includes contactor.Specifically, it is serially connected between n+1 battery pack, is connected with contact between each adjacent battery pack
Device has n contactor.That is, passing through contactor K between each battery pack1To KnSeries connection is coupled.Each contactor pair
A relay should be connected.Management module 120 is started to work after completing self-test, commander's relay work, while driving K1To Kn
Work, whole system live line work.The electric current that whole system supplying power for outside circuit is transmitted is detected in battery administration module 140
There is exception, then exception information is wirelessly transmitted to management module 120, management module 120 then will disconnect relay, and then K1To Kn
Power-off, whole system loss protecting.
In one embodiment, management module 120 is connected with battery pack temperature control section, and according to several functional modules
110 temperature informations provided, the cooling of control battery pack or heating.In the present embodiment, the tune in management module 120 and battery strings
Warm unit wireless connection.Thermostat units are used to obtain the temperature information of battery strings, and temperature information is wirelessly transmitted to management mould
Block 120.Thermostat units are also used to receive the control instruction of the transmission of management module 120, and are battery strings cooling according to control instruction
Or heating.Specifically, thermostat units are monitored the temperature of each battery strings, and the temperature information monitored is wirelessly sent out
It send to management module 120.Meanwhile thermostat units also receive the control instruction of the transmission of management module 120, in the control of the control instruction
System is lower to heat up or cools down for battery strings, to provide optimal environment temperature for battery strings.In the present embodiment, management module is received
The 120 heating instructions sent, thermostat units are battery strings heating under heating instruction, to improve the temperature of battery strings；Or
The cooling instruction that management module 120 is sent is received, thermostat units are battery strings ventilation under cooling instruction, to reduce battery strings
Temperature.
Management module 120 is also used to receive temperature information, and temperature information is compared with setting value, obtains comparing knot
Fruit generates corresponding control instruction further according to comparison result.Specifically, management module 120 receives thermostat units wireless transmission
Temperature information compares the temperature information with setting value, when the temperature information is higher than setting value, then sends to thermostat units
Cooling instruction；When the temperature information is lower than setting value, then heating instruction is sent to thermostat units.Wherein, setting value can root
It is set according to actual conditions.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of battery management system carries out balance protection management to the performance of each battery strings in the battery pack being serially connected,
It is characterized in that, the system is made of management module and at least two functional modules, the management module and the functional module
Between be wirelessly connected；At least two functional module is parallel to respectively in each battery strings, to corresponding battery strings electric energy supplement.
2. battery management system according to claim 1, which is characterized in that the functional module includes sampling unit, place
Manage unit, the first wireless transmit/receive units, control unit and power supply unit；The power supply unit is constant current isolated power supply.
3. battery management system according to claim 1, which is characterized in that the management module includes the second wireless receiving and dispatching
Unit and administrative unit.
4. battery management system according to claim 1, which is characterized in that the system also includes power conversion modules；
The power conversion module is in parallel with the battery pack being serially connected, and the output end of the power conversion module and each functional module connect
It connects, provides power supply for functional module.
5. battery management system according to claim 1, which is characterized in that the system also includes battery administration module,
Voltage, the current parameters for monitoring entire battery pack, are supplied to management module.
6. battery management system according to claim 1, which is characterized in that be connected in the battery pack being serially connected several
Entire battery pack is decomposed into safe voltage when system does not work by a first switch unit；The management module further includes
Two switch units are used to protect, control the operation of entire battery pack.
7. battery management system according to claim 1, which is characterized in that management module and battery pack temperature control section
The temperature information for being connected, and being provided according to several functional modules, the cooling of control battery pack or heating.
8. battery management system according to claim 2, which is characterized in that at least two functional module is used for each
The physical parameter of battery strings is detected, and obtains testing result, and the testing result is wirelessly transmitted to the management module,
At least two functional module is also used to the reference value of the transmission of management module described in wireless receiving；
The management module chooses reference value for testing result described in wireless receiving from the testing result, then by institute
It states reference value and is wirelessly transmitted to each at least two functional module respectively.
9. battery management system according to claim 8, which is characterized in that the sampling unit is used for the object to battery strings
Reason parameter is sampled, and obtains sampled result, and the sampled result is sent to the processing unit；
For handling the sampled result, and by treated, sampled result is sent to described first to the processing unit
Wireless transmit/receive units, are also used to receive the reference value that first wireless transmit/receive units are sent, and by the reference value with
Treated, and sampled result is compared, and obtains comparison result, and the comparison result is sent to described control unit；
First wireless transmit/receive units are for receiving treated sampled result, and sampled result passes to treated
It is defeated, it is also used to receive the reference value that the management module is sent, and transmit to the reference value；
The power supply unit is used to provide electricity for the sampling unit, the processing unit and first wireless transmit/receive units
Energy；
Described control unit is used to receive the comparison result that the processing unit is sent, and controls battery according to the comparison result
Being turned on or off between string and the power supply unit.
10. battery management system according to claim 8, which is characterized in that the physical parameter includes the electricity of battery strings
Pressure.
Priority Applications (1)
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|---|---|---|---|
| CN201820763912.8U CN208873840U (en) | 2018-05-21 | 2018-05-21 | Battery management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763912.8U CN208873840U (en) | 2018-05-21 | 2018-05-21 | Battery management system |
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| CN208873840U true CN208873840U (en) | 2019-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565512A (en) * | 2018-05-21 | 2018-09-21 | 吕宝伟 | Battery management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565512A (en) * | 2018-05-21 | 2018-09-21 | 吕宝伟 | Battery management system |
| CN108565512B (en) * | 2018-05-21 | 2024-02-20 | 吕宝伟 | Battery management system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191115 Address after: 276000 Residence of Tanyi Town, Fei County, Linyi City, Shandong Province Patentee after: Feixian County Rui Hao Machinery Manufacturing Co., Ltd. Address before: 273400 Xu Yi Village 494, Feixian County Town, Linyi, Shandong Patentee before: Lv Baowei |
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