CN203126546U - Electric car safety prediction device - Google Patents
Electric car safety prediction device Download PDFInfo
- Publication number
- CN203126546U CN203126546U CN 201320064240 CN201320064240U CN203126546U CN 203126546 U CN203126546 U CN 203126546U CN 201320064240 CN201320064240 CN 201320064240 CN 201320064240 U CN201320064240 U CN 201320064240U CN 203126546 U CN203126546 U CN 203126546U
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- switch
- circuit
- mcu
- prediction device
- high pressure
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- 238000009413 insulation Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract 2
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses an electric car safety prediction device. The electric car safety prediction device comprises a high-voltage interlock circuit, an insulation detection circuit, an MCU, a switch K1, a switch K2+ and a switch K2-. The MCU is connected with the high-voltage interlock circuit through the insulation detection circuit. The switch K1 and the switch K2+ are connected with a positive electrode of a storage battery. The switch K2- is connected with a negative electrode of the storage battery. The switch K1 and the switch K2+ are connected with the high-voltage interlock circuit after being connected in series. The switch K2- is respectively connected with the high-voltage interlock circuit and the MCU. Due to the fact that the high-voltage interlock circuit, the insulation detection circuit, the MCU, a sound-light alarm circuit and the like are arranged, as for possible breakdowns of a high voltage system, diagnosis and safety prediction can be carried out on high voltage breakdowns.
Description
Technical field
The utility model belongs to the electronlmobil applied technical field, specially refers to a kind of electronlmobil safe prediction device.
Background technology
Pure electric automobile is engine installation with power accumulator and electrical motor, and operating voltage is up to several hectovolts.When faults such as generation high voltage circuit failure of insulation or short circuit, can directly have influence on driver and crew's the security of the lives and property and the safety of vehicle mounted electrical equipment.The major issue that must solve when therefore pure electric automobile high-voltage safety problem has become the pure electric automobile research and design.
The utility model content
In view of this, the purpose of this utility model provides a kind of electronlmobil safe prediction device, has overcome the deficiencies in the prior art, can realize high-tension current Fault Diagnosis and safe prediction.
To achieve these goals, the utility model is by the following technical solutions:
A kind of electronlmobil safe prediction device, wherein, comprise high pressure interlock circuit, insulation testing circuit, MCU, K switch 1, K2+ and K2-, described MCU is connected with the high pressure interlock circuit through the insulation testing circuit, K switch 1, K2+ connect the positive pole of storage battery, K switch 2-connects the negative pole of storage battery, is connected to the high pressure interlock circuit after K switch 1, the K2+ series connection, and K switch 2-connects high pressure interlock circuit and MCU respectively.
As preferably, described electronlmobil safe prediction device also comprises sound light alarming circuit, and described sound light alarming circuit connects MCU.
As preferably, described high pressure interlock circuit comprises anti-transient impact circuit and high-tension apparatus.
The beneficial effects of the utility model are:
Be provided with high pressure interlock circuit, insulation testing circuit, MCU and sound light alarming circuit etc. on the utility model, at the contingent fault of high-tension system, mainly possess following function: system's anti-transient impact that powers on; In real time by current detecting and fault handling; High-low pressure protection and fault handling; Insulation detects and fault handling; Interlocking fault detection and fault handling.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can from practice of the present utility model, obtain instruction.Target of the present utility model and other advantages can realize and obtain by specifically noted structure in following specification sheets or the accompanying drawing.
Description of drawings
Fig. 1 is schematic circuit diagram of the present utility model;
Fig. 2 is high pressure interlock circuit schematic diagram of the present utility model.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, the utility model mainly comprises high pressure interlock circuit, insulation testing circuit, sound light alarming circuit, MCU, K switch 1, K2+ and K2-, MCU is connected with the high pressure interlock circuit through the insulation testing circuit, K switch 1, K2+ connect the positive pole of storage battery, K switch 2-connects the negative pole of storage battery, be connected to the high pressure interlock circuit after K switch 1, the K2+ series connection, K switch 2-connects high pressure interlock circuit and MCU respectively, and sound light alarming circuit connects MCU.The high pressure interlock circuit comprises anti-transient impact circuit and high-tension apparatus.
K1 is that high voltage circuit can manually operated normally closed switch, and K2+ and K-are the HVDC contactless contactor of MCU control, and FUZE then designs for fuse.Wherein, the setting of K1 is in order to allowing manually to disconnect high voltage circuit under the situations such as the unexpected inefficacy of other devices or replacing wire fuse.Normally closed switch and HVDC contactless switch and fuse apparatus and power accumulator are integrated in the seal case, and actv. has ensured the high pressure Electrical Safety of electronlmobil.
The utility model has also designed the RS232 interface of communicating by letter with PC, has also considered CAN communication design in addition, and this realizes that with extraneous information interaction provides good guarantee for the utility model.
As shown in Figure 2, when the integraty that does not reach expection when the connection that detects high tension loop requires, the utility model will directly or by entire car controller be forbidden the output of relevant electrical source of power, till this fault is got rid of fully.High-tension current exposes, bad connection causes the power loop horsepower output to descend even make adverse consequencess such as adaptor union burns out otherwise can exist.Send and receive are respectively that FET is field effect transistor from the signal of micro controller system output and input, can play the protective effect with Single Chip Microcomputer (SCM) system and high voltage circuit isolation.Its principle of work is: management system provides voltage about 5V for the high-pressure system loop, and detects the voltage that returns, if micro controller system does not receive the voltage that returns, then shows high pressure interlocking fault, should provide alarm, and in time disconnect high voltage circuit.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. electronlmobil safe prediction device, it is characterized in that: comprise high pressure interlock circuit, insulation testing circuit, MCU, K switch 1, K2+ and K2-, described MCU is connected with the high pressure interlock circuit through the insulation testing circuit, K switch 1, K2+ connect the positive pole of storage battery, K switch 2-connects the negative pole of storage battery, be connected to the high pressure interlock circuit after K switch 1, the K2+ series connection, K switch 2-connects high pressure interlock circuit and MCU respectively.
2. a kind of electronlmobil safe prediction device according to claim 1, it is characterized in that: described electronlmobil safe prediction device also comprises sound light alarming circuit, described sound light alarming circuit connects MCU.
3. a kind of electronlmobil safe prediction device according to claim 1 is characterized in that: described high pressure interlock circuit comprises anti-transient impact circuit and high-tension apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064240 CN203126546U (en) | 2013-02-04 | 2013-02-04 | Electric car safety prediction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064240 CN203126546U (en) | 2013-02-04 | 2013-02-04 | Electric car safety prediction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203126546U true CN203126546U (en) | 2013-08-14 |
Family
ID=48934558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320064240 Expired - Lifetime CN203126546U (en) | 2013-02-04 | 2013-02-04 | Electric car safety prediction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203126546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199322A (en) * | 2016-07-22 | 2016-12-07 | 深圳威迈斯电源有限公司 | The detecting system of a kind of on-board high-voltage parts interlocking signal and detection method |
| CN107225974A (en) * | 2017-06-09 | 2017-10-03 | 上海电机学院 | A kind of electric car high-voltage safety management system |
-
2013
- 2013-02-04 CN CN 201320064240 patent/CN203126546U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199322A (en) * | 2016-07-22 | 2016-12-07 | 深圳威迈斯电源有限公司 | The detecting system of a kind of on-board high-voltage parts interlocking signal and detection method |
| CN106199322B (en) * | 2016-07-22 | 2018-09-18 | 深圳威迈斯电源有限公司 | A kind of detecting system and detection method of on-board high-voltage parts interlocking signal |
| CN107225974A (en) * | 2017-06-09 | 2017-10-03 | 上海电机学院 | A kind of electric car high-voltage safety management 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: 20130814 |