CN203788000U - Battery pack circuit break control system, battery pack comprising same and vehicle comprising same - Google Patents
Battery pack circuit break control system, battery pack comprising same and vehicle comprising same Download PDFInfo
- Publication number
- CN203788000U CN203788000U CN201420080662.XU CN201420080662U CN203788000U CN 203788000 U CN203788000 U CN 203788000U CN 201420080662 U CN201420080662 U CN 201420080662U CN 203788000 U CN203788000 U CN 203788000U
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- circuit
- control system
- opens circuit
- battery component
- disconnect
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- 230000036316 preload Effects 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 11
- 230000035484 reaction time Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Protection Of Static Devices (AREA)
Abstract
The utility model provides a battery pack circuit break control system, a battery pack comprising the same and a vehicle comprising the same. The battery pack comprises a plurality of battery units which are connected in series with one another, the circuit break control system comprises at least one circuit break switch arranged among the battery units connected in series, a circuit information sensor arranged in the battery pack and a circuit break control module connected with the circuit break switch and the circuit information sensor, wherein, the circuit information sensor is used for detecting circuit information and transmitting the circuit information to the circuit break control module, the circuit break control module is used for generating a first circuit break control signal when the circuit information satisfies preset fault predication conditions, when receiving the first circuit break control signal, the circuit break switch is switched off; the circuit break switch is further configured to be used for receiving a second circuit break control signal sent by a vehicle safety control system outside the battery pack, when receiving the second circuit break control signal, the circuit break switch is switched off, the response speed of the battery pack to circuit break control is optimized, and the battery pack can satisfy circuit break control demands under more conditions.
Description
Technical field
The utility model belongs to field of automobile, is specifically related to a kind of control system that opens circuit of battery component, vehicle that has the battery component of this control system that opens circuit and apply this battery component of being applied to.
Background technology
High-voltage system is the key safety equipment of automobile application, in for example hybrid vehicle or electric automobile, when high voltage installation suffers fault, how to guarantee to cut off safely and reliably high-voltage power supply (as the battery of inverter or engine) very important.
The safety device of conventional cutoff high circuit is device for fusing, thereby the basic principle of device for fusing is the heat that utilizes faulty circuit overcurrent to produce, makes the blown fuse open circuit in device.This mode need to be longer reaction time, be unfavorable for circuit safety, at least there is following problem: one, utilize the heat fuse wire of overcurrent can cause the loss that the energy content of battery is unnecessary; They are two years old, fuse in device for fusing is different according to the different degree of agings of material, specification, therefore when selecting, also need to select according to the different lengths of service fuse of unlike material, specification, simultaneously, for performance after using certain time limit still meets technical specification, often need at the beginning of installing, selectivity over the fuse of necessary technology specification, cause cost to increase.Also favourablely in prior art with battery control unit signal, be connected with multiple sensing cell (air bag shock transducer for example, humidity sensor, shock transducer etc.), these sensing cells can obtain corresponding break signal also and then by battery control unit, control the cut-out of fuse, such mode can meet the needs of some application really, but in more harsh design requirement, it is obviously inappropriate on single battery control unit that all control functions that opens circuit are placed on, especially the need that cause in for example collision accident disconnect in the situation of battery component electric current, even seem the improvement of small response time of opening circuit, remain very necessary, on the other hand, responding reliably by the internal cause of battery component or the external cause of its applied environment in time and caused the demand that opens circuit, is also very important.
In view of this, need to provide a kind of control system that opens circuit that is applied to battery component, solve at least partly deficiency of the prior art.
Summary of the invention
The purpose of this utility model is to provide a kind of control system that opens circuit that is applied to battery component, and it can optimize opening circuit the response time of battery component, and can meet the caused demand that opens circuit of many reasons.
The purpose of this utility model is also to provide a kind of battery component.
The purpose of this utility model is again to provide a kind of vehicle.
For realizing one of above-mentioned utility model object, the utility model provides a kind of control system that opens circuit that is applied to battery component, and wherein, described battery component comprises the battery unit of a plurality of series connection, described in the control system that opens circuit comprise:
Disconnect between at least one battery unit that is arranged at described series connection, the control module that opens circuit that is arranged at the circuit information transducer in described battery component and is connected with described disconnect and circuit information transducer respectively, wherein, control module opens circuit described in described circuit information transducer transfers in order to testing circuit information and by described circuit information, the described control module that opens circuit generates first control signal that opens circuit when meeting default fault Rule of judgment at described circuit information, described disconnect disconnects cutting off circuit while opening circuit control signal receiving described first,
Described disconnect is further configured to receive described battery component exterior vehicle safety control system sends second control signal that opens circuit, and described disconnect disconnects cutting off circuit while opening circuit control signal receiving described second.
As further improvement of the utility model, described disconnect is some, and the battery unit of described series connection is divided into some parts that voltage is less than predetermined safe voltage.
As further improvement of the utility model, the battery unit of interval equal amount between described adjacent disconnect, is separated into by described battery component some parts that voltage equates.
As further improvement of the utility model, described disconnect comprises for the busbar of delivered current between adjacent battery unit and can be triggered to cut off the breaking units of described busbar by described first control signal or described second control signal that opens circuit that opens circuit.
As further improvement of the utility model, described breaking units comprises explosion parts and cutting part, described explosion parts, in order to open circuit and produce force of explosion when control signal or second opens circuit control signal receiving described first, cut off described busbar in order to promote described cutting part.
As further improvement of the utility model, described busbar is wire.
As further improvement of the utility model, described circuit information transducer is the current sensor being connected in described battery component, described circuit information is current value, and described default fault Rule of judgment is that the current value that described current sensor records surpasses default current threshold.
As further improvement of the utility model, described circuit information transducer is the temperature sensor that is arranged at battery component inside, described circuit information refers to the temperature of battery component, and described default fault Rule of judgment is that the temperature of the battery component that records of described temperature sensor surpasses default temperature threshold.
As further improvement of the utility model, described vehicle safety control system comprises control system of safety air bag or belt with pre-load device system.
As further improvement of the utility model, described battery component also comprises housing, and described battery unit and disconnect are laid in described housing.
For realizing above-mentioned another utility model object, the battery component that the utility model provides a kind of employing to open circuit as mentioned above control system.
For realizing above-mentioned another utility model object, the utility model also provides a kind of employing vehicle of battery component as mentioned above.
Compared with prior art, the control system that opens circuit that is applied to battery component that the utility model provides is by arranging disconnect, by this disconnect being configured to can receive respectively the safety control system of open circuit control module and the battery component outside of battery component inside sends first control signal and second control signal that opens circuit that opens circuit, and and then disconnect, met external cause caused the open circuit demand of battery component for its internal cause or its applied environment, and, by second control signal that opens circuit is configured to directly control transmission by battery component exterior vehicle safety control system, optimized the response speed of disconnect to break signal.
Accompanying drawing explanation
Fig. 1 is the modularization schematic diagram of the utility model battery component one execution mode;
Fig. 2 is the cross-sectional schematic of the utility model while being applied in control system one execution mode that opens circuit of battery component that disconnect is not triggered;
Fig. 3 is the cross-sectional schematic after the utility model is applied to disconnect in control system one execution mode that opens circuit of battery component and is triggered.
Embodiment
Below with reference to embodiment shown in the drawings, the utility model is described in detail.But these execution modes do not limit the utility model, the conversion in the structure that those of ordinary skill in the art makes according to these execution modes, method or function is all included in protection range of the present utility model.
" first " mentioned in following execution mode, " second " be the absolute differentiation relation in representative structure or function not, and is only used to the convenience described.
Ginseng Fig. 1, introduces the embodiment that the utility model is applied to the control system that opens circuit of battery component 100.In the present embodiment, this control system that opens circuit comprises disconnect 20, circuit information transducer 30 and the control module 40 that opens circuit.
Battery component 100 comprises the battery unit 10 of a plurality of series connection, in concrete application, the battery unit 10 of the plurality of series connection can be the battery module that is divided into several, each battery module comprises the battery unit 10 of some, described disconnect 20 is connected between adjacent battery module, or is between the battery unit 10 being arranged in battery module.In concrete structure, battery component 100 comprises housing 60, and above-mentioned battery unit 10 and disconnect 20 cloth are all located in housing 60.
In battery component 100, the quantity of disconnect 20 is at least one, and it is arranged in battery component 100, to guarantee controllably to cut off the high voltage channel in battery component 100.As one preferred embodiment, in the present embodiment, this disconnect 20 is some, and the battery unit of series connection 10 is divided into some parts that voltage is less than predetermined safe voltage, so, when disconnect 20 cuts off the electric power of battery component 100, battery component 100 itself has been separated into the part that can be contacted by human-body safety of a plurality of low-voltages.Here said predetermined safe voltage can be set to different specifications according to different design requirements, usually, for example, be set to 48V or 60V, be understandable that, in more harsh design requirement, this predetermined safe voltage can further be set to lower.
Particularly preferably, the battery unit 10 of interval equal amount between adjacent disconnect 20, these several disconnect 20 is separated into by battery component 100 some parts that voltage equates.By voltage Δ U1, Δ U2, Δ U3, the Δ U4 of the total voltage U of the battery component 100 separation like this each several part that farthest balance is separated into, guarantee that battery component cut-out function is implemented stable and reliable.
Circuit information transducer 30 is arranged among battery component 100, the control module that opens circuit 40 is connected with disconnect 20 and circuit information transducer 30 respectively, this circuit information transducer 30 transfers in order to testing circuit information and by the circuit information detecting the control module 40 that opens circuit, the control module that opens circuit 40 generates first control signal that opens circuit when meeting default fault Rule of judgment at circuit information, and disconnect 20 disconnects while opening circuit control signal receiving first.
Circuit information transducer 30 is for being connected to the current sensor in battery component 100, it is connected to the high voltage potential energy place of battery component, the circuit information of described detection is current value, and default fault Rule of judgment is that the current value that current sensor records surpasses default current threshold.Electric current in 30 pairs of battery components 100 of current sensor is monitored in real time; and will get current value and transfer to the control module 40 that opens circuit; the control module that opens circuit 40 compares the current value obtaining and a default current threshold; if surpass this default current threshold; judge now battery component overcurrent; and then generating first control signal that opens circuit simultaneously, disconnect 20 receives this first open circuit control signal disconnecting, and realizes the overcurrent protection of battery component.
Should be understood that, in the present embodiment, circuit information transducer 30 is specially to current sensor not to circuit information transducer 30 types or number quantitative limitation, and under more situation, current sensor can be equipped with or be replaced with the circuit information transducer of other type.Exemplarily, circuit information transducer can also be temperature sensor, humidity sensor etc.Take arrange circuit information transducer as temperature sensor be example, temperature sensor is monitored in real time to battery component temperature, and the temperature value of the battery component getting is transferred to the control module 40 that opens circuit, the control module that opens circuit 40 compares the temperature value obtaining and a preset temperature threshold value, if surpass this default temperature threshold, generate first control signal that opens circuit, disconnect 20 receives this first open circuit control signal disconnecting, and realizes the overheat protector of battery component; Certainly, the first generation of opening circuit control signal can be also the Collaborative Control that is subject to current sensor and temperature sensor.
Disconnect 20 is also further configured to receive battery component 100 exterior vehicle safety control systems 50 send second control signal that opens circuit, and disconnect 20 disconnects while opening circuit control signal receiving second.In actual application, with regard to vehicle itself, integrated multiple safety control system, utilizes these safety control systems to carry out the extra control of opening circuit to disconnect 20, can increase the extra safety guarantee that opens circuit, and increase manufacturing cost that can be not too much.
Vehicle safety control system 50 comprises control system of safety air bag or belt with pre-load device system, in some car accidents, the transducer being connected with control system of safety air bag and belt with pre-load device system can detect the undesired variation of vehicle acceleration, this kind of situation can be foreseen the situation that is set as cutting off battery component electric power, so, control system of safety air bag or belt with pre-load device system can be further send second control signal that opens circuit to disconnect 20, directly to control, cut off disconnect 20, it is shorter that this kind of mode triggers the required reaction time of disconnect 20, optimize the function of resolving path control system.
Cooperation is with reference to Fig. 2 and Fig. 3, especially, it should be noted that, the disconnect 20 of mentioning in present embodiment comprises for the busbar 21 of delivered current between the battery unit 10 adjacent and can be triggered to cut off the breaking units 22 of busbar 21 by first control signal or second control signal that opens circuit that opens circuit.Breaking units 22 comprises explosion part 221 and cutting part 222, and explosion part 221, in order to open circuit and produce force of explosion when control signal or second opens circuit control signal receiving first, cuts off busbars 21 in order to promote cutting part 222.Busbar 21 can be the conductor that comprises the link 211 being connected with the wire of adjacent cell; Or be to adopt wire, common conductor resistance lower (resistance < 0.1m Ω), near-zero loss when the characteristic of its near-zero resistance can guarantee that electric current passes through disconnect, improve the efficiency of transmission of electric current, such busbar 21 can not produce because resistance is excessive unnecessary thermal losses, is of value to the working stability of battery component 100.
In a preferred embodiment, busbar 21 is set to the preset wire using in battery component 100 place circuit, by configuring other parts of breaking units 22 disconnects such as grade 20 and form disconnect 20 on this preset wire, thereby further reduce the aging impact on integrated circuit of busbar 21.On the other hand, this disconnect 20 is owing to being that the motive force producing by explosion part 221 drives cutting part 222 to cut off busbar 21, and its reaction time is shorter, conventionally can reach 100us left and right.
Battery component 100 provided by the utility model is by adopting the control system that opens circuit described in above-mentioned execution mode, replace fuse of the prior art, reaction time that makes to open circuit is shorter, and, because disconnect 20 is configured to receive respectively the safety control system 50 of open circuit control module 40 and battery component 100 outsides of battery component 100 inside sends first control signal and second control signal that opens circuit that opens circuit, met external cause caused the open circuit demand of battery component for its internal cause or its applied environment, simultaneously, by second control signal that opens circuit is configured to directly control transmission by battery component exterior vehicle safety control system, optimized the response speed of disconnect to break signal.
In the execution mode of the vehicle that the utility model provides, owing to having adopted above-mentioned battery component 100, for the high-voltage system of vehicle, provide more safety guarantee, and, owing to not relating to the improvement of other structure in vehicle or function, therefore no longer repeated at this.
Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility execution mode of the present utility model; they are not in order to limit protection range of the present utility model, all disengaging within equivalent execution mode that the utility model skill spirit does or change all should be included in protection range of the present utility model.
Claims (12)
1. be applied to the control system that opens circuit of battery component, wherein, described battery component comprises the battery unit of a plurality of series connection, it is characterized in that, described in the control system that opens circuit comprise:
Disconnect between at least one battery unit that is arranged at described series connection, the control module that opens circuit that is arranged at the circuit information transducer in described battery component and is connected with described disconnect and circuit information transducer respectively, wherein, control module opens circuit described in described circuit information transducer transfers in order to testing circuit information and by described circuit information, the described control module that opens circuit generates first control signal that opens circuit when meeting default fault Rule of judgment at described circuit information, described disconnect disconnects cutting off circuit while opening circuit control signal receiving described first,
Described disconnect is further configured to receive described battery component exterior vehicle safety control system sends second control signal that opens circuit, and described disconnect disconnects cutting off circuit while opening circuit control signal receiving described second.
2. the control system that opens circuit according to claim 1, is characterized in that, described disconnect is some, and the battery unit of described series connection is divided into some parts that voltage is less than predetermined safe voltage.
3. the control system that opens circuit according to claim 2, is characterized in that, the battery unit of interval equal amount between described adjacent disconnect is separated into by described battery component some parts that voltage equates.
4. the control system that opens circuit according to claim 1, it is characterized in that, described disconnect comprises for the busbar of delivered current between adjacent battery unit and can be triggered to cut off the breaking units of described busbar by described first control signal or described second control signal that opens circuit that opens circuit.
5. the control system that opens circuit according to claim 4, it is characterized in that, described breaking units comprises explosion parts and cutting part, described explosion parts, in order to open circuit and produce force of explosion when control signal or second opens circuit control signal receiving described first, cut off described busbar in order to promote described cutting part.
6. the control system that opens circuit according to claim 4, is characterized in that, described busbar is wire.
7. the control system that opens circuit according to claim 1, it is characterized in that, described circuit information transducer is the current sensor being connected in described battery component, described circuit information is current value, and described default fault Rule of judgment is that the current value that described current sensor records surpasses default current threshold.
8. the control system that opens circuit according to claim 1, it is characterized in that, described circuit information transducer is the temperature sensor that is arranged at battery component inside, described circuit information refers to the temperature of battery component, and described default fault Rule of judgment is that the temperature of the battery component that records of described temperature sensor surpasses default temperature threshold.
9. the control system that opens circuit according to claim 1, is characterized in that, described vehicle safety control system comprises control system of safety air bag or belt with pre-load device system.
10. the control system that opens circuit according to claim 1, is characterized in that, described battery component also comprises housing, and described battery unit and disconnect are laid in described housing.
11. 1 kinds of battery components, is characterized in that comprising the control system that opens circuit described in as above any one claim.
12. 1 kinds of vehicles, is characterized in that comprising battery component as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080662.XU CN203788000U (en) | 2014-02-25 | 2014-02-25 | Battery pack circuit break control system, battery pack comprising same and vehicle comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080662.XU CN203788000U (en) | 2014-02-25 | 2014-02-25 | Battery pack circuit break control system, battery pack comprising same and vehicle comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788000U true CN203788000U (en) | 2014-08-20 |
Family
ID=51324153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080662.XU Expired - Lifetime CN203788000U (en) | 2014-02-25 | 2014-02-25 | Battery pack circuit break control system, battery pack comprising same and vehicle comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868511A (en) * | 2014-02-25 | 2015-08-26 | 观致汽车有限公司 | Battery component disconnection control system, battery component with system and vehicle |
-
2014
- 2014-02-25 CN CN201420080662.XU patent/CN203788000U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868511A (en) * | 2014-02-25 | 2015-08-26 | 观致汽车有限公司 | Battery component disconnection control system, battery component with system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Battery component disconnection control system, battery component with system and vehicle Effective date of registration: 20170104 Granted publication date: 20140820 Pledgee: Quantum Corporation of America|Wuhu Chery Automobile Investment Co.,Ltd. Pledgor: QOROS AUTOMOTIVE Co.,Ltd. Registration number: 2016990001207 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |