CN206201993U - Pure electric automobile parking discharge system - Google Patents
Pure electric automobile parking discharge system Download PDFInfo
- Publication number
- CN206201993U CN206201993U CN201621059406.8U CN201621059406U CN206201993U CN 206201993 U CN206201993 U CN 206201993U CN 201621059406 U CN201621059406 U CN 201621059406U CN 206201993 U CN206201993 U CN 206201993U
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- China
- Prior art keywords
- contactor
- positive
- output end
- circuit output
- master
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of pure electric automobile parking discharge system, including high direct voltage electrokinetic cell unit, the positive and negative electrode of the high direct voltage electrokinetic cell unit is respectively by the positive contactor of master and main negative contactor connection corresponding with the positive and negative electrode of vehicle-mounted electrical equipment；Electric discharge contactor is provided between the circuit output end of the positive contactor of the master and main negative contactor, the circuit input end of the electric discharge contactor is connected with the circuit output end of the positive contactor of master, the circuit output end of electric discharge contactor is connected with the positive source terminals of the ptc heater of mounted air conditioner system, and the power cathode terminals of the ptc heater of the mounted air conditioner system are connected with the circuit output end of main negative contactor.The utility model advantage is to eliminate special high power discharge resistance and contactor, saves the installing space of car body, reduces the cost of vehicle；Discharged using the ptc heater of mounted air conditioner system simultaneously, improve ptc heater utilization rate.
Description
Technical field
The utility model is related to pure electric automobile, more particularly, to pure electric automobile parking discharge system.
Background technology
Pure electric automobile possesses zero-emission, efficient advantage, is increasingly paid attention to.The electrical source of power of pure electric automobile
It is the high direct voltage battery of more than 300V, parking（Parking）Although the positive contactor of master and main negative contactor have disconnected later,
Because vehicle-mounted each electrical appliance has substantial amounts of capacitor storage electric charge, cause that the residual voltage retained in circuit is higher, residual voltage exists
100V or so declines slowly, and threat is brought to the personal safety of maintenance personal.To solve the problem, it is common practice to repair people
After member's positive contactor of disconnection master and main negative contactor, one special high power discharge resistance of access is put between positive and negative busbar
Electricity, this not only adds the acquisition cost of special high power discharge resistance, and operation is also inconvenient.
The content of the invention
The purpose of this utility model is to provide a kind of pure electric automobile parking discharge system, to solve to be put when parking is repaired
Electric high cost, the problem of complex operation.
To achieve the above object, the utility model takes following technical proposals：
Pure electric automobile parking discharge system described in the utility model, including high direct voltage electrokinetic cell unit, it is described
The positive and negative electrode of high direct voltage electrokinetic cell unit is respectively by the positive contactor of master and main negative contactor and vehicle-mounted electrical equipment
Positive and negative electrode correspondence is connected；Electric discharge contactor is provided between the circuit output end of the positive contactor of the master and main negative contactor,
The circuit input end of the electric discharge contactor is connected with the circuit output end of the positive contactor of master, the circuit output end of the contactor that discharges
It is connected with the positive source terminals of the ptc heater of mounted air conditioner system, the electricity of the ptc heater of the mounted air conditioner system
Source negative terminals are connected with the circuit output end of main negative contactor.
The utility model advantage is to eliminate special high power discharge resistance and contactor, saves the installation of car body
Space, reduces the cost of vehicle；Discharged using the ptc heater of mounted air conditioner system simultaneously, improve ptc heater
Utilization rate.
Brief description of the drawings
Fig. 1 is circuit principle structure schematic diagram of the present utility model.
Specific embodiment
As shown in figure 1, pure electric automobile parking discharge system described in the utility model, including high direct voltage electrokinetic cell
Unit 1, the positive and negative electrode of the high direct voltage electrokinetic cell unit 1 is respectively by the positive contactor 2 of master and main negative contactor 3 and car
The positive and negative electrode correspondence for carrying electrical equipment 4 is connected；Set between the circuit output end of the positive contactor 2 of the master and main negative contactor 3
Electric discharge contactor 5 is equipped with, the circuit input end of the electric discharge contactor 5 is connected with the circuit output end of the positive contactor 2 of master, discharges
The circuit output end of contactor 5 is connected with the positive source terminals of the ptc heater 6 of mounted air conditioner system, the vehicle-mounted sky
The power cathode terminals of the ptc heater 6 of adjusting system are connected with the circuit output end of main negative contactor 3.
When needing to disconnect Vehicular direct-current high voltage power battery unit 1, the positive contactor 2 of master and master bear contact to the utility model
Device 3 disconnects, and the electric charge for having the storage of the electrical equipment with bulky capacitor on whole on-board high-voltage loop needs release；Now pass through adhesive
Electric discharge contactor 5 causes ptc heater 6 and vehicle-mounted electrical equipment 4（Such as MCU, DC/DC, air-conditioning etc.）Form a loop, loop
On electric charge can be discharged by ptc heater 6.Meanwhile, vehicle-mounted computer detects the voltage of dc bus, when bus electricity
Below pressure drop to safe voltage, then all of contactor of vehicle is disconnected.So far, the discharge operation of vehicle parking parking is completed.
Claims (1)
1. a kind of pure electric automobile parking discharge system, it is characterised in that：Including high direct voltage electrokinetic cell unit, the direct current
The positive and negative electrode of high voltage power battery unit is positive and negative with vehicle-mounted electrical equipment by the positive contactor of master and main negative contactor respectively
Extremely correspond to connection；Electric discharge contactor is provided between the circuit output end of the positive contactor of the master and main negative contactor, it is described
The circuit input end of electric discharge contactor is connected with the circuit output end of the positive contactor of master, the circuit output end and car of the contactor that discharges
The positive source terminals connection of the ptc heater of air-conditioning system is carried, the power supply of the ptc heater of the mounted air conditioner system is born
Pole terminals are connected with the circuit output end of main negative contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059406.8U CN206201993U (en) | 2016-09-18 | 2016-09-18 | Pure electric automobile parking discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059406.8U CN206201993U (en) | 2016-09-18 | 2016-09-18 | Pure electric automobile parking discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206201993U true CN206201993U (en) | 2017-05-31 |
Family
ID=58760645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621059406.8U Expired - Fee Related CN206201993U (en) | 2016-09-18 | 2016-09-18 | Pure electric automobile parking discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206201993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060912A (en) * | 2020-09-10 | 2020-12-11 | 安徽鸿创新能源动力有限公司 | Multistage active discharge system and method for high-voltage bus capacitor of electric automobile |
-
2016
- 2016-09-18 CN CN201621059406.8U patent/CN206201993U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060912A (en) * | 2020-09-10 | 2020-12-11 | 安徽鸿创新能源动力有限公司 | Multistage active discharge system and method for high-voltage bus capacitor of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20210918 |