CN209581177U - A kind of charging protection device for electric vehicle - Google Patents
A kind of charging protection device for electric vehicle Download PDFInfo
- Publication number
- CN209581177U CN209581177U CN201920015749.1U CN201920015749U CN209581177U CN 209581177 U CN209581177 U CN 209581177U CN 201920015749 U CN201920015749 U CN 201920015749U CN 209581177 U CN209581177 U CN 209581177U
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- electric
- electric vehicle
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- protection device
- charging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a kind of charging protection device for electric vehicle, including guard box, charged state monitoring modular, first socket and the second socket, charged state monitoring modular includes box body, current detection circuit, timer, first relay and first singlechip, box body is equipped with plug and third socket, charging protection device for electric vehicle further includes detection of electrical leakage module, detection of electrical leakage module includes switch, electric-leakage detection circuit, second singlechip and the second relay, when current detection circuit detects that electric car charger is in floating charge state, timer starts timing, when timer reaches preset time, first singlechip controls the first relay and disconnects, when electric-leakage detection circuit detects that charging circuit is in leakage condition, second singlechip controls the second relay and disconnects, being full of electric vehicle can automatically power off, and it plays during the charging process Earth leakage protective keeps the charging of electric vehicle safer, while can accurately judge that power-off is because leaking electricity or finishing because charging.
Description
Technical field
The utility model relates to protective device technical field more particularly to a kind of charging protection device for electric vehicle.
Background technique
Electric vehicle has won rapidly the majority of consumers' as a kind of convenient and fast vehicles, with its environmentally protective theory
Unanimously like, but fire caused by electric vehicle charging in recent years also happens occasionally, and brings very important security risk.Mesh
Before, the charging protection device for electric vehicle used on the market may be implemented to monitor the function with intelligent measurement automatically, detect function automatically
Electric vehicle can may be implemented full of automatically powering off, the alarm of electric vehicle charge fault may be implemented in intelligent detecting function, to a certain degree
On improve electric vehicle charging safety, but due to traditional charge protection device can not circuit leak electricity when play protection make
With so that the charging of electric vehicle is still not safe enough.
Utility model content
The purpose of this utility model is to provide a kind of charging protection device for electric vehicle safe and reliable and easy to use.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of charging protection device for electric vehicle, packet
Include guard box, charged state monitoring modular, the first socket and the second socket for being electrically connected to a power source, wherein the charging
State monitoring module includes box body, current detection circuit, timer, the first relay for detecting electric car charger working condition
And first singlechip, box body are equipped with plug for being electrically connected with the first socket and for being electrically connected with electric car charger
Third socket, charging protection device for electric vehicle further include detection of electrical leakage module and cue module, and cue module includes indicator light, leakage
Electro-detection module includes switch, electric-leakage detection circuit, second singlechip and the second relay, electric car charger working condition packet
Normal condition and floating charge state are included, when current detection circuit detects that electric car charger is in floating charge state, timer starts
Timing, when timer reaches preset time, first singlechip controls the first relay and disconnects, and electric-leakage detection circuit detects charging
When circuit is in leakage condition, second singlechip controls the second relay and disconnects.
Further, the guard box includes cabinet and case lid, is set on case lid there are four port, the first socket, second insert
It is exposed that seat, switch and indicator light pass through four ports respectively.
Further, the current detection circuit include the first current transformer, the first current transformer be set to plug with
On circuit between third socket.
Further, the first pre-set current value, the electric current that the first current transformer measures are equipped in the first singlechip
When value is more than or equal to the first pre-set current value, electric car charger is in normal condition, the electric current that the first current transformer measures
When value is less than the first pre-set current value, electric car charger is in floating charge state.
Further, the electric-leakage detection circuit includes the second current transformer, and the iron core of the second current transformer covers
On circuit between first socket and the second socket.
Further, when second current transformer has measured electric current and passes through, second singlechip controls the second relay
It disconnects.
Further, indicator light includes for prompting electric car charger to be in the first indicator light of normal condition, being used for
Prompt electric car charger is in the second indicator light of floating charge state and the third for prompting electric vehicle to be in full power state refers to
Show lamp, the color of three indicator lights is different.
Further, first socket is two spring hole scokets.
Further, second socket is Three-hole socket.
After adopting the above technical scheme, the utility model has the advantages that
1, by setting charged state monitoring modular and detection of electrical leakage module, electric vehicle had both may be implemented and be full of from dynamic circuit breaker
Electricity, but can play the role of in electric vehicle charging process it is earth leakage protective so that the charging of electric vehicle is more safe and reliable.It is logical
It crosses and charged state monitoring modular is separately provided, charged state monitoring modular can be electrically connected by plug with the first socket, be broken
After electricity, charged state monitoring modular can be removed from charging protection device for electric vehicle, and observation charging protection device for electric vehicle is
It is no to power off again, so as to judge very accurately charging protection device for electric vehicle be because electric leakage carry out power-off or because
Charging, which finishes, to be powered off, so that charging protection device for electric vehicle is more convenient to use.
2, make the first socket, the second socket, switch and indicator light all exposed by the way that four ports are arranged on case lid, make
Obtaining can connect with electric car charger charging without opening case lid, so that the use of charging protection device for electric vehicle
It is more convenient.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of charging protection device for electric vehicle described in the utility model.
Fig. 2 is that charging protection device for electric vehicle described in the utility model takes down the structural representation after charged state monitoring modular
Figure.
Fig. 3 is the explosive view of charging protection device for electric vehicle described in the utility model.
Marked the names of the parts are as follows in figure:
1, guard box；11, cabinet；12, case lid；121, port；2, charged state detection module；21, box body；22, plug；
23, third socket；3, the first socket；4, the second socket；5, detection of electrical leakage module；51, it switchs；6, cue module；61, first refers to
Show lamp；62, the second indicator light；63, third indicator light.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following
The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom"
Or the word of positional relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification
Description, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and be grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
As shown in Figure 1 to Figure 3, the utility model provides a kind of charging protection device for electric vehicle, including guard box 1, charging
State monitoring module 2, the first socket 3 and the second socket 4 for being electrically connected to a power source, charged state monitoring modular 2 include box
Body 21, current detection circuit, timer, the first relay and the first singlechip for detecting electric car charger working condition, box
Body 21 is equipped with the plug 22 for being electrically connected with the first socket 3 and the third socket for being electrically connected with electric car charger
23, charging protection device for electric vehicle further includes detection of electrical leakage module 5 and cue module 6, and cue module includes indicator light, electric leakage inspection
Surveying module 5 includes switch 51, electric-leakage detection circuit second singlechip and the second relay, and electric car charger working condition includes
Normal condition and floating charge state, when current detection circuit detects that electric car charger is in floating charge state, timer starts to count
When, when timer reaches preset time, first singlechip controls the first relay and disconnects, and electric-leakage detection circuit detects charging electricity
When road is in leakage condition, second singlechip controls the second relay and disconnects.Pass through setting charged state monitoring modular and electric leakage
Electric vehicle had both may be implemented full of automatically powering off in detection module, saves power supply and protection electric car charger is not damaged, and can
It is earth leakage protective to play the role of in electric vehicle charging process, so that the charging of electric vehicle is safer.Pass through the shape that will charge
State monitoring modular 2 is separately provided, and charged state monitoring modular can be electrically connected by plug 22 with the first socket 4, after power-off, fills
Electricity condition monitoring modular can be removed from charging protection device for electric vehicle, and whether observation charging protection device for electric vehicle breaks again
Electricity, so as to judge that charging protection device for electric vehicle is because electric leakage carries out power-off or because charging finishes very accurately
It is powered off, so that charging protection device for electric vehicle is more convenient to use.
In the present embodiment, guard box 1 includes cabinet 11 and case lid 12, sets that there are four port 121, the first sockets on case lid 12
3, it is exposed to pass through four ports respectively for the second socket 4, switch 51 and indicator light so that without open case lid can carry out with it is electronic
The connection of vehicle charger is charged, so that charging protection device for electric vehicle is more convenient to use.
Specifically, the first socket 3 is two spring hole scokets, the second socket 4 is Three-hole socket.
Current detection circuit includes the first current transformer, and the first current transformer is set between plug and third socket
On circuit, for detecting the electric current flowed through on power circuit, it is equipped with the first pre-set current value in first singlechip, the first electric current is mutual
When the current value that sensor measures is more than or equal to the first pre-set current value, electric car charger is in normal condition, and the first electric current is mutual
When the current value that sensor measures is less than the first pre-set current value, electric car charger is in floating charge state.
Electric-leakage detection circuit includes the second current transformer, and the iron core sleeve of the second current transformer is in the first socket and second
On circuit between socket, passes through when the second current transformer has measured electric current, then illustrate between the first socket and the second socket
Circuit electric leakage, second singlechip controls the second relay and disconnects so that the connection between electric car charger and power supply disconnects,
Electric car charger is avoided to be damaged because of electric leakage.
Indicator light includes the first indicator light 61, electronic for prompting for prompting electric car charger to be in normal condition
Vehicle charger is in the second indicator light 62 of floating charge state and for prompting electric vehicle to be in the third indicator light 63 of full power state,
The color of three indicator lights is different, and user is allowed to be clear that the charged state of electric car charger.
In use, the second socket connects power supply, the plug of grafting charged state monitoring modular, charged state on the first socket
Third socket on monitoring modular connects electric car charger, so that electric vehicle starts to charge, when the first indicator light is bright, illustrates electricity
Vehicle charger is in normal condition；When the second indicator light is bright, illustrate that electric car charger is in floating charge state；It is indicated when three
Lamp all extinguishes, and illustrates that electric car charger is in an off state, and charged state monitoring modular is removed from the first socket, will be electric
Vehicle charger is connected directly between on the first socket, if third indicator light is bright, illustrates that electric car charger is in full power state；If
Three indicator lights all extinguish, and illustrate that charging circuit is in leakage condition, are overhauled.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (9)
1. a kind of charging protection device for electric vehicle, including guard box, charged state monitoring modular, the first socket and it is used for and power supply
Second socket of electrical connection, which is characterized in that the charged state monitoring modular includes box body, detection electric car charger work
Current detection circuit, timer, the first relay and the first singlechip of state, box body are equipped with for being electrically connected with the first socket
The plug connect and the third socket for being electrically connected with electric car charger, charging protection device for electric vehicle further include detection of electrical leakage
Module and cue module, cue module include indicator light, and detection of electrical leakage module includes switch, electric-leakage detection circuit, the second monolithic
Machine and the second relay, electric car charger working condition include normal condition and floating charge state, and current detection circuit detects
When electric car charger is in floating charge state, timer starts timing, when timer reaches preset time, first singlechip control
First relay disconnect, when electric-leakage detection circuit detects that charging circuit be in leakage condition, second singlechip control second after
Electric appliance disconnects.
2. charging protection device for electric vehicle according to claim 1, which is characterized in that the guard box includes cabinet and case
Lid, sets that there are four ports on case lid, and it is exposed that the first socket, the second socket, switch and indicator light pass through four ports respectively.
3. charging protection device for electric vehicle according to claim 1, which is characterized in that the current detection circuit includes the
One current transformer, the first current transformer are set on the circuit between plug and third socket.
4. charging protection device for electric vehicle according to claim 3, which is characterized in that be equipped with the in the first singlechip
One pre-set current value, when the current value that the first current transformer measures is more than or equal to the first pre-set current value, electric car charger
In normal condition, when the current value that the first current transformer measures is less than the first pre-set current value, electric car charger is in
Floating charge state.
5. charging protection device for electric vehicle according to claim 1, which is characterized in that the electric-leakage detection circuit includes the
Two current transformers, the iron core sleeve of the second current transformer is on the circuit between the first socket and the second socket.
6. charging protection device for electric vehicle according to claim 5, which is characterized in that second current transformer measures
When having electric current to pass through, second singlechip controls the second relay and disconnects.
7. charging protection device for electric vehicle according to claim 1, which is characterized in that the indicator light includes for prompting
Electric car charger is in the first indicator light of normal condition, refers to for prompting electric car charger to be in the second of floating charge state
Show lamp and for prompting electric vehicle to be in the third indicator light of full power state, the color of three indicator lights is different.
8. according to claim 1 to charging protection device for electric vehicle described in 7 any one, which is characterized in that described first inserts
Seat is two spring hole scokets.
9. according to claim 1 to charging protection device for electric vehicle described in 7 any one, which is characterized in that described second inserts
Seat is Three-hole socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015749.1U CN209581177U (en) | 2019-01-04 | 2019-01-04 | A kind of charging protection device for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015749.1U CN209581177U (en) | 2019-01-04 | 2019-01-04 | A kind of charging protection device for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209581177U true CN209581177U (en) | 2019-11-05 |
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ID=68350261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920015749.1U Active CN209581177U (en) | 2019-01-04 | 2019-01-04 | A kind of charging protection device for electric vehicle |
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| Country | Link |
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| CN (1) | CN209581177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533803A (en) * | 2022-01-25 | 2023-08-04 | 徐州坤达电动车有限公司 | Electric vehicle safety charging device with spontaneous combustion prevention function |
-
2019
- 2019-01-04 CN CN201920015749.1U patent/CN209581177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533803A (en) * | 2022-01-25 | 2023-08-04 | 徐州坤达电动车有限公司 | Electric vehicle safety charging device with spontaneous combustion prevention function |
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