CN202130296U - Safe connection system of electric vehicle power battery pack - Google Patents
Safe connection system of electric vehicle power battery pack Download PDFInfo
- Publication number
- CN202130296U CN202130296U CN201020557073U CN201020557073U CN202130296U CN 202130296 U CN202130296 U CN 202130296U CN 201020557073 U CN201020557073 U CN 201020557073U CN 201020557073 U CN201020557073 U CN 201020557073U CN 202130296 U CN202130296 U CN 202130296U
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- connector
- power
- battery pack
- power battery
- electric automobile
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
A safe connection system of an electric vehicle power battery pack includes a power supply (1), a main controller (2), a connector (3), an impact sensor (4), an electromagnetic relay (5) and a main contactor (6), wherein the power supply (1) supplies power to the safe connection system of the electric vehicle power battery pack to guarantee normal operation of the system; the main controller (2) monitors and controls connection and disconnection between a battery pack (7) and a power system (8) so as to ensure that the battery pack (7) supplies the power to the power system (8) in a safe condition; the connector (3) is a connecting device with one end linked with the power system (8), and the other of the connector on which a main power is connected is linked with the main contactor (6) so as to control connection and disconnection between the battery pack (7) and the power system (8); one end of the connector (3) on which a drive circuit is connected is linked with the impact sensor (4) and the other end of the connector is linked with the electromagnetic relay (5) so as to control circuit connection of the safe connection system of the electric vehicle power battery pack according to the connection state of the connector; the impact sensor (4) and the main controller (2) are connected such that connection and disconnection between the main controller (2) and a peripheral circuit are controlled in a way of sensing and detecting extraneous impact circumstance; the electromagnetic relay (5) is linked with a drive member of the main contactor (6) and normally works when the connector (3) is in a completely accurate connection circumstance; the main contactor (6) is a switching device which is linked with the battery pack (7) and the power system (8); and on/off of the main contactor is controlled by the electromagnetic relay (5).
Description
Technical field
The utility model relates to the electric vehicle engineering field, particularly relates to a kind of batteries of electric automobile safe insertion system.
Background technology
Automobile is a kind of important vehicle, and auto-industry are backbone industrys of a lot of countries.In China, the caused pollution of auto emission has become one of the primary pollution source in city, and will spend a large amount of foreign exchange Imported oils every year.Reduce the pollution of automobile and save the energy and become the severe problem that we face.Along with global energy shock and atmospheric contamination that motor vehicle exhaust emission caused, continuous advancement in technology, the exploitation noise is low, energy consumption is little, electronlmobil pollution-free, that not influenced by fuel crunch has again become social consensus.Electronlmobil is the result of technical development in the rise of today, especially in the inevitable choice of current global energy crisis and environmental problem.The research and development of electronlmobil have crucial meaning to solving the energy and problem of environmental pollution.
One of core technology on the battery-driven car is energy reserves and feed system.Batteries of electric automobile affects the whole service situation of electronlmobil as the energy supplying system of battery-driven car.Because battery energy storage is limited, the replacing of battery is an important solutions in the battery-driven car energy delivery system.Because the battery pack output HIGH voltage, the battery altering process safe becomes a very important problem, has influence on the popularization and the use of battery-driven car to a great extent.Battery-driven car battery in transport driving must be connected with power system through connector reliably; When battery-driven car meets accident collision; If battery still continues as the battery-driven car power supply, then be easy to cause battery-driven car personnel's injury on fire and unexpected, and hindered the expansion of salvage work.Therefore the design and use method of the battery connector of battery-driven car is extremely important.
The utility model content
The problem that the utility model will solve is through designing a kind of battery of electric vehicle safe insertion system; Change at battery of electric vehicle under the situation of efficient; Guarantee replacing process and the safety of battery pack in the logistics system transport process; Improve stability and safety that battery-driven car power supply in service is supplied with simultaneously, prevent the generation of the second accident that battery continuation power supply causes under unexpected collision situation, thereby guarantee the break-make electrical safety that electronlmobil uses constantly.
The utility model discloses a kind of power battery of electric vehicle group safe insertion system.It comprises power supply, master controller, connector, crash sensor, electromagnetic relay and main contactor.Wherein, power supply provides energy for the electric system control loop, guarantees the normal operation of system; The break-make of master controller monitoring and control electric system guarantees that battery pack only is the power system power supply under the situation of safety; Connector is for realizing the docking apparatus of electrical source of power loop and control signal loop break-make, and whether it connects by electromagnetic relay control.Its main power source electrical source of power loop is by the break-make of main contactor control battery and power system, and its control signal loop is by electromagnetic relay, and connector reliably connects the affirmation structure, and crash sensor and master controller constitute.The power supply in control signal loop is also supplied with from the outside through the connector interface channel.A kind of constituted mode of loop can be following: the driving loop of connector links to each other with an end of crash sensor, and the crash sensor other end links to each other with the electromagnetic relay of control main contactor break-make, and electromagnetic relay is by its break-make of main controller controls.Crash sensor is surveyed the break-make of extraneous collision situation control master controller and peripheral drive circuit through perception; Connector reliably connects confirms that structure can guarantee that the control signal loop only patches accurately at the connector socket fully and connect normal operation under the situation.Main contactor is for connecting the switching device of battery pack and power system.
Master controller is the embedded electronic control system that possesses the operation logic algorithm and drive function, for example battery management system in the said system.System's control loop confirms that by the connection of mechanical type structure constitutes.
Connector is made up of contact pin spare and jack spare two parts in the said system, and the connection that patches of connector comprises electrical source of power loop, control signal loop, control electric power loop and reliably is connected the affirmation structure.
Further, the reliable connection in the connector confirms that structure detects the reliable connection situation of connector through the mode to the pin short circuit.
Further, connector jack inwall is tied with conductive wire.The conductive wire height is far below the height of conductive wire in other jacks, and the mode through short circuit realizes in advance connector contact loosening made early warning.
The utility model not only can accomplish battery the patching fast in the process that change the outfit; And guarantee to be seated and just allow battery to give the power system power supply after stable at connector; Avoided because the arc that the connector hot insertion causes; Thereby improve the service life of plug-in unit and other devices, and be in operation and prevent that battery continues other injuries that power supply station brings when meeting accident collision, also ensured the safety of power battery pack in transportation and logistics on the way.The utility model has strengthened convenience and the safety in the battery-driven car use.
Description of drawings
Fig. 1 is the circuit catenation principle block diagram of the utility model;
Fig. 2 is socket connector pin spare and jack spare front view;
Fig. 3 is a connector jack spare birds-eye view;
Fig. 4 is the circuit turn-on scheme drawing that connector drives loop contact pin and jack;
Fig. 5 is that connector drives metal filament high-level schematic in loop jack and the common communication jack;
Fig. 6 is the workflow block diagram of the utility model;
Reference numerals list
1. power supply 2. master controllers
3. connector 4. crash sensors
5. electromagnetic relay 6. main contactors
7. battery pack 8. power systems
9. socket connector pin spare 10. power pins
11. communication pin 12. connector jack spares
13. supply hub 14. communication jacks
15. drive loop contact pin 16. driving loop jacks
17. common communication jack 18. metal filaments
Specific embodiments
Describe below in conjunction with figure.
Like Fig. 1, power supply 1 provides energy for electric automobile power battery group safe insertion system, guarantees the normal operation of system; The break-make of master controller 2 monitorings and control battery pack 7 and power system 8 guarantees that battery pack 7 is power system 8 power supplies under the situation of safety; Connector 3 is a docking apparatus; The end that its main power source patches links to each other with main contactor 6; The other end is connected with power system 8, the break-make of control battery pack 7 and power system 8, and the end that the driving loop of connector 3 patches links to each other with crash sensor 4; The other end links to each other with electromagnetic relay 5, through the connection of its mode control cell safety patch systems circuit that patches; Crash sensor 4 links to each other with master controller 2, surveys the break-make of extraneous collision situation control master controller 2 and peripheral circuit through perception; Electromagnetic relay 5 is for to be connected with the driving element of main contactor 6, patches accurately normal operation under the situation fully at connector 3 communication plug receptacles; Main contactor 6 is for connecting the switching device of battery pack 7 and power system 8, by its whether conducting of electromagnetic relay 5 controls.
Shown in Fig. 2 and 3, to change in the process of battery pack at battery-driven car, socket connector pin spare 9 is connected with connector jack spare 12, and power pin 11 correspondingly inserts in the supply hub 13, and communication pin 11 is correspondingly inserted in the communication jack 14.And power pin 11 is connected with battery pack 7 with an end of supply hub 13, and the other end is connected with power system 8.
In Fig. 4; Drive loop contact pin 15 and carry out short circuit; Drive loop jack 16 and carry out short circuit, in the time of in connector drives contact pin 15 insertion connector communication jacks 16, the driving loop contact pin 15 of short circuit and the driving loop jack of short circuit 16 form the circuit turn-on coupled condition; And circuit one end of conducting is connected with electromagnetic relay 5, and the other end is connected with crash sensor 4.
As shown in Figure 5, drive loop contact pin 15 and all be tied with conductive wire 18, and the metal filament height in the driving loop contact pin 15 is far below height wiry in the common communication pin 17 with common communication pin 17 inwalls.When socket connector pin spare 9 inserted in the connector jack spare 12, power pin 10 inserted in corresponding supply hub 13 and the communication jack 14 with communication pin 11 simultaneously.In this process, power pin 10 and supply hub 13, common communication pin at first forms with common communication jack 17 and is connected and conducting state.Owing to drive the height of the height of metal filament 8 in the loop jack 16 far below metal filament 8 in the common communication jack 17; Therefore when socket connector pin spare 9 inserts in the connector jack spare 12 to entirely accurate; Drive loop contact pin 15 and can not touch the metal filament 8 that drives in the loop jack 16, therefore can not form conducting state; When socket connector pin spare 9 entirely accurates ground inserts in the connector jack spare 12, drive loop contact pin 15 and just touch the metal filament 18 that drives in the loop jack 16, form the circuit turn-on state.
As shown in Figure 6, be the workflow block diagram of the utility model.In conjunction with shown in Figure 1, when the socket connector pin spare 9 of connector 3 with after connector jack spare 12 is connected, do not have at power supply 1 under the situation of power supply, electromagnetic relay 5 quits work, main contactor 6 is opened, it is power system 8 power supplies that battery pack 7 stops.Do not allow the circuit system conducting at master controller 2 equally; The particular communication plug receptacle of connector 3 does not form the short circuit loop; Crash sensor 4 is sensing extraneous collision cut off when acquiring a certain degree, and circuit all can not conducting, and electromagnetic relay 5 all can not be worked; Corresponding main contactor 6 breaks off, and battery pack 7 stops to be power system 8 power supplies.When power supply 1 is an electric automobile power battery group safe insertion system supply regular power; Master controller 2 allows the circuit system conducting; Patching accurately of connector 3; Be socket connector pin spare 9 with connector jack spare 12 entirely accurates patch, crash sensor 4 is during cut off, the circuit turn-on of electric automobile power battery group safe insertion system.Electromagnetic relay 5 work this moment, by main contactor 6 closures of electromagnetic relay 5 controls, the junction circuit conducting of battery pack 7 and power system 8, battery pack 7 normally gives power system 8 power supplies.
Though be described with reference to the accompanying drawings the utility model above, those skilled in the art are to be appreciated that above-mentioned explanation only is that the signal of the specific embodiment is set forth, and the scope of the utility model is not restricted to above-mentioned particular case.The described a kind of electric automobile power battery group safe insertion of the utility model system is a circuit system; The link order of its specific embodiment is only for realizing a kind of form of the utility model; Regardless of the link order, all belong in the scope of the utility model.Any one structure of the described a kind of electric automobile power battery group safe insertion of the utility model system is all protected, when individuality carries out local enforcement, still belongs in the scope of the utility model.
Claims (8)
1. electric automobile power battery group safe insertion system, it comprises power supply, master controller, connector, crash sensor, electromagnetic relay and main contactor; It is characterized in that: connector is a docking apparatus, and the end that its main power source patches links to each other with main contactor, and the other end is connected with power system, and the end that the driving loop of connector patches links to each other with crash sensor, and the other end links to each other with electromagnetic relay; Crash sensor links to each other with master controller; Electromagnetic relay is for to be connected with the driving element of main contactor; Main contactor is for connecting the switching device of battery pack and power system.
2. a kind of electric automobile power battery group safe insertion according to claim 1 system, it is characterized in that: master controller is the embedded system that possesses the operation logic algorithm and drive function.
3. according to the described a kind of electric automobile power battery group safe insertion of one of claim 1 and claim 2 system, it is characterized in that: master controller is the embedded electronic control system, and system's control loop confirms that by the connection of mechanical type structure constitutes.
4. a kind of electric automobile power battery group safe insertion according to claim 1 system, it is characterized in that: connector is made up of contact pin spare and jack spare two parts.
5. a kind of electric automobile power battery group safe insertion according to claim 4 system is characterized in that: drive loop jack short circuit in the connector.
6. a kind of electric automobile power battery group safe insertion according to claim 4 system is characterized in that: drive loop contact pin short circuit in the connector.
7. a kind of electric automobile power battery group safe insertion according to claim 4 system, it is characterized in that: connector jack inwall is tied with conductive wire.
8. a kind of electric automobile power battery group safe insertion according to claim 7 system, it is characterized in that: the conductive wire height in the driving loop jack of connector is lower than the height of conductive wire in other jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020557073U CN202130296U (en) | 2010-10-12 | 2010-10-12 | Safe connection system of electric vehicle power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020557073U CN202130296U (en) | 2010-10-12 | 2010-10-12 | Safe connection system of electric vehicle power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202130296U true CN202130296U (en) | 2012-02-01 |
Family
ID=45519078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020557073U Expired - Lifetime CN202130296U (en) | 2010-10-12 | 2010-10-12 | Safe connection system of electric vehicle power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202130296U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215870A (en) * | 2013-05-30 | 2014-12-17 | 沃尔沃汽车公司 | Loose plug detection |
| CN104908722A (en) * | 2015-06-30 | 2015-09-16 | 东风汽车股份有限公司 | Power battery plug connector opening and closing control method |
| CN105346402A (en) * | 2015-11-24 | 2016-02-24 | 唐山轨道客车有限责任公司 | External power source device and power supply system |
-
2010
- 2010-10-12 CN CN201020557073U patent/CN202130296U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215870A (en) * | 2013-05-30 | 2014-12-17 | 沃尔沃汽车公司 | Loose plug detection |
| CN104215870B (en) * | 2013-05-30 | 2018-08-14 | 沃尔沃汽车公司 | The system and method for characterizing the electrical connection between power supply unit and vehicles energy accumulating equipment |
| CN104908722A (en) * | 2015-06-30 | 2015-09-16 | 东风汽车股份有限公司 | Power battery plug connector opening and closing control method |
| CN105346402A (en) * | 2015-11-24 | 2016-02-24 | 唐山轨道客车有限责任公司 | External power source device and power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |