CN206575203U - A kind of output relay for Vehicular charger controls circuit - Google Patents
A kind of output relay for Vehicular charger controls circuit Download PDFInfo
- Publication number
- CN206575203U CN206575203U CN201720205701.8U CN201720205701U CN206575203U CN 206575203 U CN206575203 U CN 206575203U CN 201720205701 U CN201720205701 U CN 201720205701U CN 206575203 U CN206575203 U CN 206575203U
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- Prior art keywords
- relay
- controller
- output
- electric capacity
- circuit
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Abstract
A kind of output relay for Vehicular charger disclosed in the utility model controls circuit, including high-tension battery group, relay, first, second electric capacity, DC power supplier, rectification circuit module, battery voltage detection circuit, output relay controls circuit, output voltage detecting circuit and first, second controller, pre-charging functions are realized using Vehicular charger itself, and coordinate the control for completing output relay closing time by Vehicular charger and battery management system, the use of PTC thermistor and pre-charge-relay can be cancelled, significantly reduce system cost, reduce the volume of high-voltage connecting line box, improve the whole efficiency and reliability of system, the effect of microcontroller is farthest played.
Description
Technical field
The utility model is related to automobile-mounted charger of new energy technical field, more particularly to a kind of for Vehicular charger
Output relay control circuit.
Background technology
There is the electric capacity of certain capacity in the output port of Vehicular charger, so being needed pair before Vehicular charger work
The output capacitance of Vehicular charger enters line precharge so that the electric capacity of output port is reached near high-tension battery voltage, is closed again
Charge relay, to avoid the occurrence of the situation that surge current damages charge relay.Current most domestic on-board charging system
The PTC thermistor used and the mode of two relays carry out the precharge of output capacitance.Referring to Fig. 1, when upper electric, first disconnect
Relay S1, closing relay S2, limit charging current, until electric capacity C1 voltage reaches charging by PTC thermistor R1
Maximum, is closed again relay S1,.The advantage of this circuit is that clear in structure, control are simple, but shortcoming is also clearly,
The device needed is more, and the efficiency of system is low, and cost is high, and volume is big, poor reliability.
Therefore, applicant carried out beneficial exploration and trial, have found result of the above problems, it will be detailed below being situated between
The technical scheme continued is produced under this background.
Utility model content
Technical problem to be solved in the utility model is：For existing on-board charging system using PTC temperature-sensitives electricity
The device when mode of resistance and two relays carries out the precharge of output capacitance in the presence of needs is more, system effectiveness is low, cost is high,
Volume is big, poor reliability the problems such as, and a kind of reduction system cost is provided, system reliability is improved, reduces high-voltage connection box body
Product, the output relay control circuit for Vehicular charger for improving system effectiveness.
Technical problem to be solved in the utility model can adopt the following technical scheme that to realize：
A kind of output relay for Vehicular charger controls circuit, including high-tension battery group, relay, first, the
Two electric capacity, DC power supplier, rectification circuit module, battery voltage detection circuit, output relay control circuit, output voltage
Circuit and first, second controller are detected, wherein, the relay, battery voltage detection circuit, output relay control electricity
Road and the first controller are integrated in battery management system, first, second electric capacity, DC power supplier, rectification circuit
Module, output voltage detecting circuit and second controller are integrated in Vehicular charger；
The positive terminal of the high-tension battery group is connected by the relay with one end of first electric capacity, its negative pole end
It is connected with the other end of first electric capacity；
One end of the battery voltage detection circuit is attempted by the public connecting end of the high-tension battery group and relay,
Its other end is connected with the signal input part of first controller；
One end of the output relay control circuit is connected with the relay and controls the break-make of the relay, its
The other end is connected with the signal output part of first controller；
The signal communication end of first controller is connected with the signal communication end of the second controller；
The two ends of the two ends of the DC power supplier, the second electric capacity and rectification circuit module respectively with mains electricity
Connection, the cathode output end of the DC power supplier is connected with one end of first electric capacity, its negative input with it is described
The other end connection of first electric capacity；
One end of the output voltage detecting circuit is attempted by the relay, the first electric capacity and DC power supplier
On public connecting end, its other end is connected with the signal input part of the second controller；
The signal output part of the second controller and the signal input part of DC power supplier are connected.
As a result of technical scheme as above, the beneficial effects of the utility model are：The utility model is using vehicle-mounted
Charger itself coordinates completion output relay to realize pre-charging functions by Vehicular charger and battery management system
The control of closing time, can cancel the use of PTC thermistor and pre-charge-relay, significantly reduce system cost,
The volume of high-voltage connecting line box is reduced, the whole efficiency and reliability of system is improved, has farthest played microcontroller
Effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the output relay of existing Vehicular charger controls the structural representation of circuit.
Fig. 2 is structural representation of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 2, what is provided in figure is that a kind of output relay for Vehicular charger controls circuit, including high-tension electricity
Pond group V, relay S1, electric capacity C1, C2, DC power supplier 100, rectification circuit module 200, battery voltage detection circuit 300,
Output relay control circuit 400, output voltage detecting circuit 500 and controller 610,620.
Relay S1, battery voltage detection circuit 300, output relay control circuit 400 and controller 610 are integrated in
In battery management system 10, wherein, battery voltage detection circuit 300, output relay control circuit 400 and controller 610
The circuit structure being had by battery management system 10 itself.
Electric capacity C1, C2, DC power supplier 100, rectification circuit module 200, output voltage detecting circuit 500 and control
Device 620 is integrated in Vehicular charger 20, wherein, DC power supplier 100, rectification circuit module 200, output voltage detection electricity
Circuit structure or module that road 500 and controller 620 are had by Vehicular charger 20 itself.
High-tension battery group V positive terminal is connected by relay S1 with electric capacity C1 one end, and its negative pole end is with electric capacity C1's
The other end is connected.One end of battery voltage detection circuit 300 is attempted by high-tension battery group V and relay S1 public connecting end
On, its other end is connected with the signal input part of controller 610.One end of output relay control circuit 400 and relay S1
Simultaneously control relay S1 break-make is connected, its other end is connected with the signal output part of controller 610.The signal of controller 610
Communication terminal is connected with the signal communication end of controller 620.
The two ends of the two ends of DC power supplier 100, electric capacity C2 and rectification circuit module 200 respectively with mains electricity
Connection, the cathode output end of DC power supplier 100 is connected with electric capacity C1 one end, and its negative input is another with electric capacity C1's
End connection, wherein, rectification circuit module 200 is the combinational circuit of rectifier bridge and pfc circuit, and it is ripe for those skilled in the art
The existing circuit structure known, will not be repeated here.One end of output voltage detecting circuit 500 is attempted by relay S1, electric capacity
On the public connecting end of C1 and DC power supplier 100, its other end is connected with the signal input part of controller 620.Control
The signal output part of device 620 is connected with the signal input part of DC power supplier 100.
Output relay of the present utility model for Vehicular charger controls the control method of circuit, including following step
Suddenly：
Step S1, after vehicle enters charge mode, mains electricity is by rectification circuit module 200 by dc source mould
The electric capacity C2 of the input side of block 100 is charged to certain magnitude of voltage, and preferably magnitude of voltage is 400V；
Step S2, the controller 610 of battery management system reads high-tension battery group V by battery voltage detection circuit 300
Cell voltage V1, and cell voltage V1 is sent to the controller 620 of onboard charger；
Step S3, the controller 620 of onboard charger sets the output voltage of DC power supplier 100 to be cell voltage
V1, and start DC power supplier 100, at the same real-time synchronization the output voltage of DC power supplier 100 is sent to battery
The controller 610 of management system；
Step S4, the controller 620 that the controller 610 of battery management system constantly receives onboard charger is sent
Output voltage, and calculate the voltage difference △ V between output voltage and cell voltage, if judge voltage difference △ V be less than after
Electrical equipment closure allow voltage difference, then battery management system controller 610 produce relay close commands and send to output after
Electrical apparatus control circuit 400, output relay control circuit 400 control relay S1 closures, completes the output of Vehicular charger 10
Control process.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (1)
1. a kind of output relay for Vehicular charger controls circuit, it is characterised in that including high-tension battery group, relay
Device, first, second electric capacity, DC power supplier, rectification circuit module, battery voltage detection circuit, output relay control electricity
Road, output voltage detecting circuit and first, second controller, wherein, the relay, battery voltage detection circuit, output
Control relay circuit and the first controller are integrated in battery management system, first, second electric capacity, dc source mould
Block, rectification circuit module, output voltage detecting circuit and second controller are integrated in Vehicular charger；
The positive terminal of the high-tension battery group is connected by the relay with one end of first electric capacity, its negative pole end and institute
State the other end connection of the first electric capacity；
One end of the battery voltage detection circuit is attempted by the public connecting end of the high-tension battery group and relay, and its is another
One end is connected with the signal input part of first controller；
One end of the output relay control circuit is connected with the relay and controls the break-make of the relay, and its is another
End is connected with the signal output part of first controller；
The signal communication end of first controller is connected with the signal communication end of the second controller；
Two ends of the two ends of the DC power supplier, the second electric capacity and rectification circuit module respectively with mains electricity connect
Connect, the cathode output end of the DC power supplier is connected with one end of first electric capacity, its negative input and described the
The other end connection of one electric capacity；
One end of the output voltage detecting circuit is attempted by the public of the relay, the first electric capacity and DC power supplier
On connection end, its other end is connected with the signal input part of the second controller；
The signal output part of the second controller and the signal input part of DC power supplier are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720205701.8U CN206575203U (en) | 2017-03-03 | 2017-03-03 | A kind of output relay for Vehicular charger controls circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720205701.8U CN206575203U (en) | 2017-03-03 | 2017-03-03 | A kind of output relay for Vehicular charger controls circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206575203U true CN206575203U (en) | 2017-10-20 |
Family
ID=60056167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720205701.8U Withdrawn - After Issue CN206575203U (en) | 2017-03-03 | 2017-03-03 | A kind of output relay for Vehicular charger controls circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206575203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877472A (en) * | 2017-03-03 | 2017-06-20 | 创驱（上海）新能源科技有限公司 | A kind of output relay for Vehicular charger controls circuit and its control method |
-
2017
- 2017-03-03 CN CN201720205701.8U patent/CN206575203U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877472A (en) * | 2017-03-03 | 2017-06-20 | 创驱（上海）新能源科技有限公司 | A kind of output relay for Vehicular charger controls circuit and its control method |
| CN106877472B (en) * | 2017-03-03 | 2023-07-21 | 创驱（上海）新能源科技有限公司 | Output relay control circuit for vehicle-mounted charger and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171020 Effective date of abandoning: 20230721 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171020 Effective date of abandoning: 20230721 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |