CN203607903U - Non-low-voltage connection cell management system - Google Patents
Non-low-voltage connection cell management system Download PDFInfo
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- CN203607903U CN203607903U CN201320857040.9U CN201320857040U CN203607903U CN 203607903 U CN203607903 U CN 203607903U CN 201320857040 U CN201320857040 U CN 201320857040U CN 203607903 U CN203607903 U CN 203607903U
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- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 33
- 238000012544 monitoring process Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a non-low-voltage connection cell management system and the system is used to manage at least one quick-change cell box of an electric vehicle. The quick-change cell box comprises at least one cell module. The cell management system comprises at least one cell slave control unit, at least one CAN bus and one cell master control unit, wherein the cell slave control unit is connected with the cell module and collects an internal parameter of the cell module; the CAN bus forms wireless connection with the cell slave control unit so as to receive a signal of the cell slave control unit and sends the signal containing the internal parameter to the electric vehicle; one end of the cell master control unit is connected with the CAN bus and the other end is connected with the electric vehicle. The cell management system adopts an inductively-coupled contactless electric energy transmission and wireless communication technology; problems that a mechanical structure of the quick-change cell box, an electrical connection and the like can be well solved; box dividing and quick-change are realized; and non-low-voltage connection of the quick-change cell box and the whole vehicle is realized.
Description
Technical field
The utility model relates to battery management field, particularly a kind of battery management system connecting without low pressure.
Background technology
Along with the development of electric automobile, the charging problem of electric automobile has become the large problem that restriction electric automobile further develops, how extending battery, improve energy efficiency and the operational reliability of battery, is the problem that electric automobile energy management system must solve.When battery management system, be related to that electric automobile is practical, one of commercial key technology, and can practical, the commercialization of electric automobile be played an important role the dead research about capacity predict as the battery of EMS important component part, therefore research and develop battery management technology and system and make its industrialization there is very great meaning.
By research, adopt branch mailbox quick change battery box can solve charging interval length and the short problem of course continuation mileage of electric automobile.For relatively high electric energy being provided to electric automobile and mixed power electric car, quick change battery box is connected and mainly contains low-voltage power supply and communication etc. with the low pressure of electric automobile, and high pressure contact mainly contains positive pole and the negative pole of battery series connection in battery case.But, battery management system in existing quick change battery box is connected the mode that mostly adopts connector or directly contact with the low pressure of electric automobile, these modes can be subject to the impact of the factors such as connector access times, dustproof, waterproof, against shock, cause mechanical structure insecure, be electrically connected dangerous reliable.
Utility model content
Technical problem of the present utility model is to provide a kind of battery management system connecting without low pressure, adopts the mode of radio communication, can solve the problems such as mechanical structure that traditional direct contact brings is unstable.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
The battery management system connecting without low pressure, manages at least one quick change battery box to electric automobile, and described quick change battery box comprises at least one battery module 200, and described battery management system comprises:
At least one battery is from control unit 100, and described battery connects described battery module 200 from control unit, and gathers the inner parameter of described battery module 200;
At least one CAN bus, with described battery from control unit 100 wireless connections to receive the signal of described battery from control unit 100, and send the signal that comprises described inner parameter to described electric automobile;
One battery main control unit 100, its one end connects described CAN bus, and the other end connects described electric automobile;
Described quick change battery box includes a primary coil, and described battery main control unit comprises a secondary coil, and described primary coil is communicated by letter by battery induction wireless with described secondary coil.
As further technical scheme, this battery management system also comprises a high pressure monitoring means 10, and described high pressure monitoring means 10 one end are connected with described quick change battery box, and one end is connected with described CAN bus.This high pressure monitoring means can be used for total voltage and the electric current of observation circuit, to avoid circuit total voltage too high.
As further technical scheme, battery main control unit 9 also includes diode rectifier and filtering capacitor.
As further technical scheme, described quick change battery box also includes one drive circuit, and described drive circuit is connected with described primary coil.This drive circuit is in order to drive this primary coil.
As further technical scheme, between described battery main control unit and described electric automobile, be connected by a charhing unit 2, and carry out radio communication by described CAN bus.
As further technical scheme, between described quick change battery box and described electric automobile, be connected with a power supply unit 3.This power supply unit is in order to provide electric energy to fast battery case.
As further technical scheme, between described quick change battery box and described power supply unit 3, be connected with a circuit breaker.This circuit breaker is in order to blocking circuit when electric current is too high.
As further technical scheme, between described quick change battery box and described circuit breaker, be also connected with a switching circuit.
As further technical scheme, described battery is the control unit of the information such as the monomer voltage, temperature, electric current of battery the described fast changing battery battery case of a collection from control unit.
Compared with prior art, the utlity model has following advantage and beneficial effect:
This battery management system adopts the contactless delivery of electrical energy of inductive coupling type and wireless communication technology, can better solve the problems such as quick change battery box mechanical structure and electrical connection, better realize battery case branch mailbox quick change, realize quick change battery box and be connected without low pressure with car load.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, in describing embodiment below, needed accompanying drawing does simple introduction, apparent, accompanying drawing described below is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit diagram of a kind of battery management system connecting without low pressure of the utility model.
Embodiment
By reference to the accompanying drawings the technical solution of the utility model is carried out to clear, complete description below by embodiment; obviously; described embodiment is only a part of embodiment of the present utility model; rather than whole embodiment; based on embodiment of the present utility model; those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In this article, relational language, such as first and second, top and bottom etc., can be used for an entity and another entity or action to distinguish, and not inevitable requirement or adopt described entity or action between this type of relation or the order of any reality.Term " comprises ", " comprising " or other any variants, be intended to contain and exclusively have, comprise that technique, method, article or the device of enumerating element not only comprise described element for one time, but also can comprise that other do not express process that list or described, method, object product or the intrinsic element of device.By " comprising ... " the element guiding, not more multiple constraint in the situation that, and is not precluded within process, method, article or the device that comprises described element and has extra similar elements.
Shown in Fig. 1, a kind of battery management system connecting without low pressure, for at least one quick change battery box of electric automobile is managed, described quick change battery box comprises at least one battery module 200, described battery management system comprises: at least one battery is from control unit 100, described battery connects described battery module 200 from control unit, and gathers the inner parameter of described battery module 200; At least one CAN bus, with described battery from control unit 100 wireless connections to receive the signal of described battery from control unit 100, and send the signal that comprises described inner parameter to described electric automobile; One battery main control unit 100, its one end connects described CAN bus, and the other end connects described electric automobile; Described quick change battery box includes a primary coil, and described battery main control unit comprises a secondary coil, and described primary coil is communicated by letter by battery induction wireless with described secondary coil.In this Fig. 1, battery module 200 is preferably selected 10, selects 10 from control unit.
Continue with reference to Fig. 1, this battery management system also comprises a high pressure monitoring means 10, and described high pressure monitoring means 10 one end are connected with described quick change battery box, and one end is connected with described CAN bus.This high pressure monitoring means can be used for total voltage and the electric current of observation circuit, to avoid circuit total voltage too high.In the figure, battery main control unit 9 also includes diode rectifier and filtering capacitor., described quick change battery box also includes one drive circuit, and described drive circuit is connected with described primary coil.This drive circuit is in order to drive this primary coil.In addition, between described battery main control unit and described electric automobile, be connected by a charhing unit 2, and carry out radio communication by described CAN bus.In addition, be connected with a power supply unit 3 between described quick change battery box and described electric automobile, this power supply unit is in order to provide electric energy to fast battery case.
In this Fig. 1, between described quick change battery box and described power supply unit 3, be connected with a circuit breaker.This circuit breaker is in order to blocking circuit when electric current is too high.In this Fig. 1, between described quick change battery box and described circuit breaker, be also connected with a switching circuit.In the figure, described battery is the control unit of the information such as monomer voltage, temperature, electric current of battery the described fast changing battery battery case of a collection from control unit.
This battery management system adopts the contactless delivery of electrical energy of inductive coupling type and wireless communication technology, can better solve the problems such as quick change battery box mechanical structure and electrical connection, better realize battery case branch mailbox quick change, realize quick change battery box and be connected without low pressure with car load.
The above embodiment has only expressed preferred embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. the battery management system connecting without low pressure, manages at least one quick change battery box to electric automobile, and described quick change battery box comprises at least one battery module (200), it is characterized in that, described battery management system comprises:
At least one battery is from control unit (100), and described battery connects described battery module (200) from control unit (100), and gathers the inner parameter of described battery module (200);
At least one CAN bus, with described battery from control unit (100) wireless connections to receive the signal of described battery from control unit (100), and send the signal that comprises described inner parameter to described electric automobile;
One battery master control list (100) unit, its one end connects described CAN bus, and the other end connects described electric automobile;
Described quick change battery box includes a primary coil, and described battery main control unit comprises a secondary coil, and described primary coil is communicated by letter by battery induction wireless with described secondary coil.
2. a kind of battery management system connecting without low pressure as claimed in claim 1, is characterized in that, also comprise a high pressure monitoring means (10), described high pressure monitoring means (10) one end is connected with described quick change battery box, and one end is connected with described CAN bus.
3. a kind of battery management system connecting without low pressure as claimed in claim 1, is characterized in that, described battery main control unit (9) also includes diode rectifier and filtering capacitor.
4. a kind of battery management system connecting without low pressure as claimed in claim 1, is characterized in that, described quick change battery box also includes one drive circuit, and described drive circuit is connected with described primary coil.
5. a kind of battery management system connecting without low pressure as claimed in claim 1, is characterized in that, is connected, and carries out radio communication by described CAN bus between described battery main control unit and described electric automobile by a charhing unit (2).
6. a kind of battery management system connecting without low pressure as claimed in claim 1, is characterized in that, is connected with a power supply unit (3) between described quick change battery box and described electric automobile.
7. a kind of battery management system connecting without low pressure as claimed in claim 3, is characterized in that, between described quick change battery box and described power supply unit (3), is connected with a circuit breaker.
8. a kind of battery management system connecting without low pressure as claimed in claim 4, is characterized in that, between described quick change battery box and described circuit breaker, is also connected with a switching circuit.
9. a kind of battery management system connecting without low pressure as claimed in claim 1, is characterized in that, described battery is the control unit of the information such as the monomer voltage, temperature, electric current of battery the described fast changing battery battery case of a collection from control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320857040.9U CN203607903U (en) | 2013-12-24 | 2013-12-24 | Non-low-voltage connection cell management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320857040.9U CN203607903U (en) | 2013-12-24 | 2013-12-24 | Non-low-voltage connection cell management system |
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| Publication Number | Publication Date |
|---|---|
| CN203607903U true CN203607903U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320857040.9U Expired - Lifetime CN203607903U (en) | 2013-12-24 | 2013-12-24 | Non-low-voltage connection cell management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904724A (en) * | 2013-12-24 | 2014-07-02 | 惠州市亿能电子有限公司 | Battery management system free of low voltage connection |
| CN111257767A (en) * | 2020-02-21 | 2020-06-09 | 深圳普瑞赛思检测技术有限公司 | Battery integration detection system and method |
-
2013
- 2013-12-24 CN CN201320857040.9U patent/CN203607903U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904724A (en) * | 2013-12-24 | 2014-07-02 | 惠州市亿能电子有限公司 | Battery management system free of low voltage connection |
| CN111257767A (en) * | 2020-02-21 | 2020-06-09 | 深圳普瑞赛思检测技术有限公司 | Battery integration detection system and method |
| CN111257767B (en) * | 2020-02-21 | 2022-07-12 | 深圳普瑞赛思检测技术有限公司 | Battery integration detection system and method |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
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| CX01 | Expiry of patent term |