CN206349595U - A kind of safety electric vehicle charging socket - Google Patents
A kind of safety electric vehicle charging socket Download PDFInfo
- Publication number
- CN206349595U CN206349595U CN201720001917.2U CN201720001917U CN206349595U CN 206349595 U CN206349595 U CN 206349595U CN 201720001917 U CN201720001917 U CN 201720001917U CN 206349595 U CN206349595 U CN 206349595U
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- contact
- relay
- resistor
- positive pole
- normally open
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A kind of safety electric vehicle charging socket, including jack body, the intrinsic circuit of plug and socket used cooperatively with jack body, the jack body is provided with positive pole contact, negative pole contact and middle contact, the plug is correspondingly arranged on positive pole and touches spring, negative pole touches spring and middle tactile spring, the circuit includes relay, the positive pole contact connects relay normally open contact, the middle contact connection relay coil simultaneously connects positive voltage, touch spring and electrically connected with the tactile spring of negative pole in the centre, by plug and socket to inserting, the middle contact and negative pole contact short circuit, relay coil adhesive closes the relay normally open contact being connected on positive pole contact, charger positive pole is connected with battery, realization is charged normal.A kind of safety electric vehicle charging socket of the present utility model can not speed governing, safety problem caused by electric shock and a variety of causes generation can be prevented short-circuit using safety, and in charging process.
Description
Technical field
The utility model is related to electric vehicle charging device field, and in particular to a kind of safety electric vehicle charging socket.
Background technology
The charging socket of current electric car is directly connected to battery, and the voltage of battery is normally all higher than DC42.4V's
, during the use of electric car, there is the peace artificially touched the both positive and negative polarity contact of charging socket and produce electric shock in safe voltage
Full hidden danger, especially in electric car placement and carrying child ride, children may scratch tactile socket and cause to get an electric shock；
Meanwhile, the charging socket of current electric car there is artificial metalwork connection and rainwater connects the short-circuit hidden of both positive and negative polarity contact generation
Suffer from；And user is after charging, easily forget that pulling out the direct speed governing of charging plug rides, and causes generation to break the safe thing such as wire harness
Therefore.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of cradle contact no-voltage, the electronic of safety is used
Car charging socket.
The technical scheme in the invention for solving the above technical problem is：A kind of safety electric vehicle charging socket,
The intrinsic circuit of plug and socket used cooperatively including jack body, with jack body, the jack body is provided with just
Pole contact, negative pole contact and middle contact, the plug are correspondingly arranged on positive pole and touch the tactile spring of spring, negative pole and middle tactile spring, and it is special
Levy and be：The circuit includes relay, and the positive pole contact connects relay normally open contact, the middle contact connection relay
Device coil simultaneously connects positive voltage, and the centre, which touches spring and negative pole and touches spring, electrically connect, and by plug and socket to slotting, the centre is tactile
Piece and negative pole contact short circuit, relay coil adhesive make the relay normally open being connected on positive pole contact open the closing of contact, charge
Device positive pole is connected with battery, and realization is charged normal.
Further, the circuit include relay, triode, first resistor, second resistance and 3rd resistor, it is described just
Pole contact is connected with relay normally open contact one end, and the negative pole contact connects negative voltage, and the middle contact passes through the first electricity
Resistance is connected with relay coil one end, and the relay coil other end is connected with the relay normally open contact other end；The triode
Colelctor electrode c is connected with the relay normally open contact other end, and base stage b is connected by second resistance and the relay normally open contact other end
Connect, emitter e is connected with 3rd resistor one end and controller for electric vehicle, the 3rd resistor other end is connected with middle contact,
Feeding back to controller for electric vehicle by the conducting generation high level signal of triode makes vehicle be in braking state.
Further, the circuit include relay, triode, first resistor, second resistance and 3rd resistor, it is described just
Pole contact is connected with relay normally open contact one end, and the negative pole contact connects negative voltage, and the middle contact passes through the first electricity
Resistance is connected with relay coil one end, and the relay coil other end is connected with the relay normally open contact other end；The triode
Colelctor electrode c is connected with 3rd resistor one end and controller for electric vehicle, and base stage b is another with relay normally open contact by second resistance
End connection, emitter e is connected with middle contact, and the 3rd resistor other end is connected with the relay normally open contact other end, is led to
The conducting for crossing triode produces low level signal and feeds back to controller for electric vehicle and vehicle is in braking state.
Compared with prior art, the advantage that the utility model possesses is：A kind of safety electric vehicle of the present utility model is filled
Electrical socket is using safety, no-voltage between both positive and negative polarity in the state of not charging, and prevents from getting an electric shock and a variety of causes produces short circuit and led
The cell damage of cause；Can not speed governing in charging process, it is to avoid because forgetting to pull out accident caused by the direct speed governing of charging plug is ridden.
Brief description of the drawings
Fig. 1 is the utility model first embodiment circuit structure diagram；
Fig. 2 is the utility model second embodiment circuit structure diagram；
Fig. 3 is the plug construction schematic diagram used cooperatively with jack body.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1：A kind of safety electric vehicle charging socket as shown in Figure 1, including jack body, match somebody with somebody with jack body
Close the plug used（Shown in Fig. 3）With the circuit in jack body, the jack body is provided with positive pole contact 1, negative pole contact 2
With middle contact 3, the plug is correspondingly arranged on positive pole and touches the tactile spring 5 of spring 7, negative pole and middle tactile spring 6, and the circuit includes relay
Device KM1, triode Q1, first resistor R1, second resistance R2 and 3rd resistor R3, the connection relay of positive pole contact 1 KM1 are normal
Contact is opened, the middle connection of the contact 2 relay KM1 coils simultaneously connect positive voltage, and the centre is touched spring 6 and is electrically connected with the tactile spring 5 of negative pole
Connect, by plug and socket to inserting, the middle contact 2 and the short circuit of negative pole contact 3, relay KM1 coil adhesives make series connection
Relay KM1 on positive pole contact 1 is normally opened to open the closing of contact, and charger positive pole is connected with battery, and realization is charged normal.
Further, the positive pole contact 1 is connected with relay KM1 normally opened contacts one end, and the connection of negative pole contact 3 is negative
Voltage, the middle contact 2 is connected by first resistor R1 with relay KM1 coils one end, the relay KM1 coils other end with
The relay KM1 normally opened contacts other end is connected；The triode Q1 colelctor electrodes c is connected with the relay KM1 normally opened contact other ends,
Base stage b is connected by second resistance R2 with the relay KM1 normally opened contact other ends, emitter e and 3rd resistor R3 one end and electricity
Motor-car controller 4 is connected, and the 3rd resistor R3 other ends are connected with middle contact 2, is produced by triode Q1 conducting high
Level signal, which feeds back to controller for electric vehicle 4, makes vehicle be in braking state.
Embodiment 2：A kind of safety electric vehicle charging socket as shown in Figure 2, including jack body, match somebody with somebody with jack body
Close the plug used（Shown in Fig. 3）With the circuit in jack body, the jack body is provided with positive pole contact 1, negative pole contact 2
With middle contact 3, the plug is correspondingly arranged on positive pole and touches the tactile spring 5 of spring 7, negative pole and middle tactile spring 6, and the circuit includes relay
Device KM1, triode Q1, first resistor R1, second resistance R2 and 3rd resistor R3, the connection relay of positive pole contact 1 KM1 are normal
Contact is opened, the middle connection of the contact 2 relay KM1 coils simultaneously connect positive voltage, and the centre is touched spring 6 and is electrically connected with the tactile spring 5 of negative pole
Connect, by plug and socket to inserting, the middle contact 2 and the short circuit of negative pole contact 3, relay KM1 coil adhesives make series connection
Relay KM1 on positive pole contact 1 is normally opened to open the closing of contact, and charger positive pole is connected with battery, and realization is charged normal.
Further, the positive pole contact 1 is connected with relay KM1 normally opened contacts one end, and the connection of negative pole contact 3 is negative
Voltage, the middle contact 2 is connected by first resistor R1 with relay KM1 coils one end, the relay KM1 coils other end with
The relay KM1 normally opened contacts other end is connected；The triode Q1 colelctor electrodes c and 3rd resistor R3 one end and controller for electric vehicle
4 connections, base stage b is connected by second resistance R2 with the relay KM1 normally opened contact other ends, and emitter e connects with middle contact 2
Connect, the 3rd resistor R3 other ends are connected with the relay KM1 normally opened contact other ends, produced by triode Q1 conducting low
Level signal, which feeds back to controller for electric vehicle 4, makes vehicle be in braking state.
Touch spring 6 in the middle of plug to electrically connect with the tactile spring 5 of negative pole, relay KM1 normally opened contacts are gone here and there with charging socket positive pole contact 1
Connection, makes under normality, because normally opened contact makes voltage between positive pole open circuit, both positive and negative polarity contact be 0V；By plug with inserting during charging
Seat to inserting, make on socket in the middle of contact and negative pole contact short circuit, what relay coil adhesive made to be connected on positive pole normally opened touches
Point closure, charger positive pole is connected with battery, and then charges normal.Low level signal is produced by triode Q1 conducting simultaneously
Or high level signal feeds back to controller for electric vehicle 4 and vehicle is in braking state.
Claims (3)
1. in a kind of safety electric vehicle charging socket, including jack body and the plug and socket body of jack body cooperation
Circuit, the jack body is provided with positive pole contact, negative pole contact and middle contact, and the plug is correspondingly arranged on positive pole and touched
Spring, negative pole touch spring and middle tactile spring, it is characterised in that：The circuit includes relay, and the positive pole contact connection relay is normal
Contact is opened, the middle contact connection relay coil simultaneously connects positive voltage, and the centre is touched spring and electrically connected with the tactile spring of negative pole, passed through
Plug and socket to inserting, the middle contact and negative pole contact short circuit, relay coil adhesive make to be connected on positive pole contact
Relay normally open contact closure, charger positive pole is connected with battery, and realization is charged normal.
2. a kind of safety electric vehicle charging socket according to claim 1, it is characterised in that：The circuit includes relay
Device, triode, first resistor, second resistance and 3rd resistor, the positive pole contact are connected with relay normally open contact one end, institute
Negative pole contact connection negative voltage is stated, the middle contact is connected by first resistor with relay coil one end, relay coil
The other end is connected with the relay normally open contact other end；The transistor collector c is connected with the relay normally open contact other end,
Base stage b is connected by second resistance with the relay normally open contact other end, and emitter e is controlled with 3rd resistor one end and electric car
Device is connected, and the 3rd resistor other end is connected with middle contact, and producing high level signal by the conducting of triode feeds back to
Controller for electric vehicle makes vehicle be in braking state.
3. a kind of safety electric vehicle charging socket according to claim 1, it is characterised in that：The circuit includes relay
Device, triode, first resistor, second resistance and 3rd resistor, the positive pole contact are connected with relay normally open contact one end, institute
Negative pole contact connection negative voltage is stated, the middle contact is connected by first resistor with relay coil one end, relay coil
The other end is connected with the relay normally open contact other end；The transistor collector c is controlled with 3rd resistor one end and electric car
Device is connected, and base stage b is connected by second resistance with the relay normally open contact other end, and emitter e is connected with middle contact, described
The 3rd resistor other end is connected with the relay normally open contact other end, and producing low level signal by the conducting of triode feeds back to
Controller for electric vehicle makes vehicle be in braking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720001917.2U CN206349595U (en) | 2017-01-03 | 2017-01-03 | A kind of safety electric vehicle charging socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720001917.2U CN206349595U (en) | 2017-01-03 | 2017-01-03 | A kind of safety electric vehicle charging socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206349595U true CN206349595U (en) | 2017-07-21 |
Family
ID=59323803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720001917.2U Active CN206349595U (en) | 2017-01-03 | 2017-01-03 | A kind of safety electric vehicle charging socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206349595U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110154A (en) * | 2018-01-12 | 2018-06-01 | 浙江动新能源动力科技股份有限公司 | A kind of battery pack |
| CN108173035A (en) * | 2017-12-01 | 2018-06-15 | 刘柳媛 | Plug and socket |
| CN112994132A (en) * | 2019-12-17 | 2021-06-18 | 沈阳新松机器人自动化股份有限公司 | Safe charging station easy to realize and design method thereof |
-
2017
- 2017-01-03 CN CN201720001917.2U patent/CN206349595U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173035A (en) * | 2017-12-01 | 2018-06-15 | 刘柳媛 | Plug and socket |
| CN108110154A (en) * | 2018-01-12 | 2018-06-01 | 浙江动新能源动力科技股份有限公司 | A kind of battery pack |
| CN112994132A (en) * | 2019-12-17 | 2021-06-18 | 沈阳新松机器人自动化股份有限公司 | Safe charging station easy to realize and design method thereof |
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| GR01 | Patent grant |