CN206602387U - A kind of AC/DC interlock - Google Patents
A kind of AC/DC interlock Download PDFInfo
- Publication number
- CN206602387U CN206602387U CN201720297404.0U CN201720297404U CN206602387U CN 206602387 U CN206602387 U CN 206602387U CN 201720297404 U CN201720297404 U CN 201720297404U CN 206602387 U CN206602387 U CN 206602387U
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- China
- Prior art keywords
- contactor
- power supply
- direct current
- interlock
- relay
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Abstract
The purpose of this utility model is to provide a kind of AC/DC interlock, belongs to new-energy automobile charging field, apply on charging pile product；Power supply, alternating current control power supply are controlled including direct current, the AC relay of power sources in series is controlled with alternating current, the DC relay of power sources in series, the contactor being connected on AC/DC control power supply are controlled with alternating current; beneficial effect be using the device charging pile operationally; exchange input and direct current avoid dc switch and alternating-current switch from producing short circuit when inputting switching, so as to protect charging pile device.
Description
Technical field
The utility model is related to new energy application and electric car charging technique field, more particularly to a kind of input of alternating current-direct current
Direct-current charging post AC/DC interlock circuit.
Background technology
Electric car has the advantages that energy-conserving and environment-protective as the outstanding representative of new energy, is replacing traditional fuel-engined vehicle.
The charging of electric car has AC charging and DC charging two ways, and both are on the technical parameters such as electric current, voltage
There is larger difference.So there is corresponding two kinds of charging equipments in the market, " trickle charge " -- alternating-current charging pile is " fast
Fill " -- direct-current charging post.In order to be charged to electric car, it is necessary in small area (urban core region, residential area,
Charging station etc.) while alternating-current charging pile and direct-current charging post are set up, cause to repeat infrastructure construction, public space resource is accounted for
With the low problem of electrically-charging equipment utilization rate.
For this problem, start AC/DC integrated charging pile occur on the market, by AC charging unit and DC charging
Unit links together, and controls corresponding charhing unit to be filled using different charging guns according to user by control device
Electricity.
The charging pile of this type is when exchange input and direct current input switching, and switch can exist when opening and closing
Delay, can so allow dc switch and alternating-current switch to produce the chance of short circuit, so as to cause device failure.
Utility model content
The purpose of this utility model is to provide a kind of AC/DC interlock, using the charging pile of the device in work
When, exchange input and direct current avoid dc switch and alternating-current switch from producing short circuit when inputting switching, so as to protect charging pile device.
A kind of AC/DC interlock, including direct current control power supply, alternating current control power supply, are connected on alternating current controlled
AC relay on electric power loop processed, the DC relay being connected on direct current control electric power loop, it is connected on AC/DC
Control the contactor on power supply.
Beneficial effect is, when contactor is closed, and current supply circuit disconnects where contactor.
Contactor disconnects constantly, current supply circuit closure where contactor.
Further, contactor is to have the first auxiliary contact on A.C. contactor, A.C. contactor, and first auxiliary is touched
Point is connected on the current supply circuit of alternating current control power supply.
Further, contactor is to have the second auxiliary contact on D.C. contactor, D.C. contactor, and second auxiliary is touched
Point is connected on the current supply circuit of direct current control power supply.
Further, contactor quantity is two, is had on A.C. contactor and D.C. contactor, A.C. contactor respectively
First auxiliary contact, while there is the second auxiliary contact on D.C. contactor, the first auxiliary contact are connected on alternating current control power supply
Current supply circuit on while the second auxiliary contact be connected on direct current control power supply current supply circuit on.
Beneficial effect is：When carrying out alternating current charging and charged with direct current switches mutually, only when the circuit to be closed
When complete switching off, that to be opened just opens all the way in addition, solves AC-DC switch in the prior art and is opening and closing
When the delay that exists the problem of allow dc switch and the alternating-current switch to produce short circuit.
Specifically, the AC relay and DC relay are single-pole double-throw relay.
Further, including emergency stop switch, jerk controlling switch is connected on A.C. contactor and high-voltage direct current switch control
Main power source on.
Beneficial effect is, it is necessary to when closing power supply jerk, close emergency stop switch, now A.C. contactor and HVDC are opened
Pass is simultaneously turned off.
Brief description of the drawings
, below will be attached to what is used required in embodiment in order to illustrate more clearly of the technical solution of the utility model
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
A.C. contactor and high-voltage switch gear the switching schematic diagram that Fig. 1 provides for the utility model embodiment；
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Embodiment one
As shown in figure 1, a kind of AC/DC interlock, including direct current control power supply, alternating current control power supply, series connection
The AC relay on electric power loop, the DC relay being connected on direct current control electric power loop, string are controlled in alternating current
Being associated on the A.C. contactor on ac control power supply, A.C. contactor has the first auxiliary contact, the first auxiliary contact string
On the current supply circuit for being associated in alternating current control power supply.
Alternating current-direct current interlock includes emergency stop switch, and jerk controlling switch is connected on A.C. contactor and high-voltage direct current switch
On the main power source of control.
Embodiment 2：
A kind of AC/DC interlock, including direct current control power supply, alternating current control power supply, are connected on alternating current controlled
AC relay on electric power loop processed, the DC relay being connected on direct current control electric power loop, it is connected on direct current control
There are the second auxiliary contact on D.C. contactor on power supply processed, D.C. contactor, second auxiliary contact are connected on direct current
On the current supply circuit for controlling power supply.
Alternating current-direct current interlock includes emergency stop switch, and jerk controlling switch is connected on A.C. contactor and high-voltage direct current switch
On the main power source of control.
Embodiment 3
A kind of AC/DC interlock, including direct current control power supply, alternating current control power supply, are connected on alternating current controlled
AC relay on electric power loop processed, the DC relay being connected on direct current control electric power loop, A.C. contactor and
There are the first auxiliary contact on D.C. contactor, A.C. contactor, while have the second auxiliary contact on D.C. contactor, the first auxiliary
The second auxiliary contact are connected on direct current control power supply while contact series are on the current supply circuit that alternating current controls power supply
On current supply circuit.
Alternating current-direct current interlock includes emergency stop switch, and jerk controlling switch is connected on A.C. contactor and high-voltage direct current switch
On the main power source of control.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art is in the technical scope that the utility model is disclosed, the change that can be readily occurred in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with right
It is required that protection domain be defined.
Claims (7)
1. a kind of AC/DC interlock, including direct current control power supply, alternating current control power supply, are connected on alternating current control
AC relay on electric power loop, the DC relay being connected on direct current control electric power loop, it is connected on AC/DC control
Contactor on power supply processed.
2. a kind of AC/DC interlock as claimed in claim 1, when being characterised by contactor closure, is supplied where contactor
Electrical circuit disconnects；When contactor disconnects, current supply circuit closure where contactor.
3. a kind of AC/DC interlock as claimed in claim 1, it is A.C. contactor to be characterised by contactor, and exchange connects
There are the first auxiliary contact on tentaculum, first auxiliary contact are connected on the current supply circuit of alternating current control power supply.
4. a kind of AC/DC interlock as claimed in claim 1, it is D.C. contactor to be characterised by contactor, and direct current connects
There are the second auxiliary contact on tentaculum, second auxiliary contact are connected on the current supply circuit of direct current control power supply.
5. a kind of AC/DC interlock as claimed in claim 1, it is two to be characterised by contactor quantity, is to hand over respectively
Flowing on contactor and D.C. contactor, A.C. contactor has the first auxiliary contact, while there is the second auxiliary to touch on D.C. contactor
Point, the second auxiliary contact are connected on direct current while the first auxiliary contact are connected on the current supply circuit of alternating current control power supply
On the current supply circuit for controlling power supply.
6. a kind of AC/DC interlock, is characterised by the AC relay and direct current as described in claim 1-5 any bars
Relay is single-pole double-throw relay.
7. a kind of AC/DC interlock as described in claim 1-5 any bars, is characterised by including jerk controlling switch, anxious
Stop controlling switch to be connected on the main power source of A.C. contactor and high-voltage direct current switch control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297404.0U CN206602387U (en) | 2017-03-24 | 2017-03-24 | A kind of AC/DC interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297404.0U CN206602387U (en) | 2017-03-24 | 2017-03-24 | A kind of AC/DC interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602387U true CN206602387U (en) | 2017-10-31 |
Family
ID=60145848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720297404.0U Active CN206602387U (en) | 2017-03-24 | 2017-03-24 | A kind of AC/DC interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879902A (en) * | 2018-07-19 | 2018-11-23 | 深圳市车电网络有限公司 | AC/DC integrated formula non-on-board charger and charge control method |
| CN110336356A (en) * | 2019-07-12 | 2019-10-15 | 山东大骋医疗科技有限公司 | The intelligent charging system and method for new energy Medical Devices |
-
2017
- 2017-03-24 CN CN201720297404.0U patent/CN206602387U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879902A (en) * | 2018-07-19 | 2018-11-23 | 深圳市车电网络有限公司 | AC/DC integrated formula non-on-board charger and charge control method |
| CN110336356A (en) * | 2019-07-12 | 2019-10-15 | 山东大骋医疗科技有限公司 | The intelligent charging system and method for new energy Medical Devices |
| CN110336356B (en) * | 2019-07-12 | 2021-03-16 | 山东大骋医疗科技有限公司 | Intelligent charging system and method for new energy medical equipment |
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