CN202424225U - Safety charging device for electric vehicle - Google Patents
Safety charging device for electric vehicle Download PDFInfo
- Publication number
- CN202424225U CN202424225U CN2011205360255U CN201120536025U CN202424225U CN 202424225 U CN202424225 U CN 202424225U CN 2011205360255 U CN2011205360255 U CN 2011205360255U CN 201120536025 U CN201120536025 U CN 201120536025U CN 202424225 U CN202424225 U CN 202424225U
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- China
- Prior art keywords
- diode
- electrode
- storage battery
- fuse
- electric vehicle
- Prior art date
- 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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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a safety charging device for an electric vehicle and aims at designing a safety charging circuit for the electric vehicle, wherein the safety charging circuit can be used safely. The technical scheme is that the safety charging device for the electric vehicle comprises an electrode A, an electrode B and a storage battery AH, wherein the electrode A is connected with a fuse L by a conductor, the fuse L is connected with a diode D1 and a diode D3 by conductors in parallel, an anode of the diode D1 is connected with the fuse L, a cathode of the diode D1 is connected with an anode of the storage battery AH, a cathode of the diode D3 is connected with the fuse L, and an anode of the diode D3 is connected with a cathode of the storage battery AH; and the electrode B is connected with a diode D2 and a diode D4 by conductors in parallel, an anode of the diode D4 is connected with the electrode B, a cathode of the diode D4 is connected with the cathode of the storage battery AH, a cathode of the diode D2 is connected with the electrode B, and an anode of the diode D2 is connected with the anode of the storage battery AH. The safety charging device is reasonable in structure and can avoid the potential safety hazard when the electric vehicle is charged, thereby ensuring the use safety of the electric vehicle.
Description
Technical field:
The utility model relates to charging circuit, particularly a kind of electric motor car safe charging device.
Background technology:
Present employed electric car is when charging; Have certain potential safety hazard, the charging socket owing to human factor or reason such as there was dampness in the air, is prone to cause short circuit in use; And then cause and the generation of fortuitous events such as fire or electric shock make the charging process of electric motor car comparatively dangerous.
Summary of the invention:
The purpose of the utility model is a kind of electric motor car safe charging circuit safe in utilization of design.
The technical scheme of the utility model is, a kind of electric motor car safe charging device, and it comprises electrode A; Electrode B, storage battery AH is characterized in that: electrode A is connected with fuse L through lead; Fuse L is parallelly connected through lead and diode D1, D3, and the positive pole of diode D1 is connected with fuse L, and negative pole is connected with the positive pole of storage battery AH; The negative pole of diode D3 is connected with fuse L, and positive pole is connected with the negative pole of storage battery AH; Electrode B is parallelly connected through lead and diode D2, D4, and the positive pole of diode D4 is connected with electrode B, and negative pole is connected with the negative pole of storage battery AH, and the negative pole of diode D2 is connected with electrode B, anodally is connected with the positive pole of storage battery AH.
The utility model is rational in infrastructure, can stop the potential safety hazard of electric motor car when charging, has guaranteed the safe in utilization of electric motor car.
Description of drawings:
Accompanying drawing is the structural representation of the utility model.
Embodiment:
Describe embodiment in detail in conjunction with accompanying drawing, a kind of electric motor car safe charging device, it comprises electrode A; Electrode B, storage battery AH, electrode A is connected with fuse L through lead; Fuse L is parallelly connected through lead and diode D1, D3, and the positive pole of diode D1 is connected with fuse L, and negative pole is connected with the positive pole of storage battery AH; The negative pole of diode D3 is connected with fuse L, and positive pole is connected with the negative pole of storage battery AH; Electrode B is parallelly connected through lead and diode D2, D4, and the positive pole of diode D4 is connected with electrode B, and negative pole is connected with the negative pole of storage battery AH, and the negative pole of diode D2 is connected with electrode B, anodally is connected with the positive pole of storage battery AH.The utility model is supposed the input of electrode A positive polarity electric current in use, the input of electrode B negative polarity electric current, and electric current arrives storage battery AH positive pole through fuse L and diode D1, and electric current arrives battery terminal negative through diode D4, accomplishes charging; In like manner, if the input of electrode A negative polarity electric current, the input of electrode B positive polarity electric current, electric current arrives storage battery AH negative pole through fuse L and diode D3, and electric current arrives battery positive voltage through diode D2, accomplishes charging.The utility model is rational in infrastructure, and is applied widely, can be used by the electric motor car charging of number of different types, and can stop the potential safety hazard of electric motor car when charging, guaranteed the safe in utilization of electric motor car.
Claims (1)
1. electric motor car safe charging device, it comprises electrode A, electrode B; Storage battery AH is characterized in that: electrode A is connected with fuse L through lead, and fuse L is parallelly connected through lead and diode D1, D3; The positive pole of diode D1 is connected with fuse L; Negative pole is connected with the positive pole of storage battery AH, and the negative pole of diode D3 is connected with fuse L, and positive pole is connected with the negative pole of storage battery AH; Electrode B is parallelly connected through lead and diode D2, D4, and the positive pole of diode D4 is connected with electrode B, and negative pole is connected with the negative pole of storage battery AH, and the negative pole of diode D2 is connected with electrode B, anodally is connected with the positive pole of storage battery AH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205360255U CN202424225U (en) | 2011-12-12 | 2011-12-12 | Safety charging device for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205360255U CN202424225U (en) | 2011-12-12 | 2011-12-12 | Safety charging device for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424225U true CN202424225U (en) | 2012-09-05 |
Family
ID=46748950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205360255U Expired - Fee Related CN202424225U (en) | 2011-12-12 | 2011-12-12 | Safety charging device for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944508A (en) * | 2018-07-04 | 2018-12-07 | 福州百特节能科技有限公司 | The effective avoiding method of electric vehicle charging interface security risk |
-
2011
- 2011-12-12 CN CN2011205360255U patent/CN202424225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944508A (en) * | 2018-07-04 | 2018-12-07 | 福州百特节能科技有限公司 | The effective avoiding method of electric vehicle charging interface security risk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121212 |