CN204978285U - Electric control circuit about electric automobile high -pressure system - Google Patents
Electric control circuit about electric automobile high -pressure system Download PDFInfo
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- CN204978285U CN204978285U CN201520591543.5U CN201520591543U CN204978285U CN 204978285 U CN204978285 U CN 204978285U CN 201520591543 U CN201520591543 U CN 201520591543U CN 204978285 U CN204978285 U CN 204978285U
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- contactless switch
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- management system
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- battery management
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The utility model discloses an electric control circuit about electric automobile high -pressure system, including vehicle control unit VMS, and battery management system BMS, battery management system BMS and vehicle control unit VMS intercommunication, battery management system BMS links to each other with vehicle power battery, the relay, its control end links to each other with vehicle control unit VMS, and the output of relay links to each other with vehicle power battery, main positive contactor, its control end links to each other with battery management system BMS, and the first output of main positive contactor is connected to vehicle power battery, and the second output of main positive contactor is connected to high -pressure load, the output of main positive contactor still and have a preliminary filling circuit, main burden contactor, its control end links to each other with battery management system BMS, and the first output of main burden contactor is connected to vehicle power battery, and the second output of main burden contactor is connected to high -pressure load.
Description
Technical field
The utility model relates to the field of electric control of electronlmobil, is specifically related to a kind of electric automobile high-voltage system power-on and power-off control circuit.
Background technology
Electronlmobil comprises mixed power electric car and pure electric automobile, and its principal character being different from orthodox car is that electronlmobil has a set of high pressure driving system, comprises electrokinetic cell, drive motor, high-tension distribution box etc.Electric automobile high-voltage system power on lower electric process in there is the jumping phenomenon of high potential and big current, the faults such as the improper meeting of power-on and power-off order causes high-voltage contact sparking ablation, high-voltage insurance blows, high-voltage contact can be caused time serious to be adhered together, the accident of broken height pressure cannot be cut off, finally cause the reduction of high-pressure system reliability, the lost of life.
Utility model content
In order to solve the shortcoming of prior art, the utility model provides a kind of electric automobile high-voltage system power-on and power-off control circuit.
The utility model is by the following technical solutions:
A kind of electric automobile high-voltage system power-on and power-off control circuit, comprises entire car controller VMS, and battery management system BMS, and described battery management system BMS intercoms with entire car controller VMS phase; Described battery management system BMS is connected with power cell of vehicle;
Relay, its control end is connected with entire car controller VMS, and the mouth of relay is connected with power cell of vehicle;
Main positive contactless switch, its control end is connected with battery management system BMS, and the first mouth of main positive contactless switch is connected to power cell of vehicle by a high-tension fuse, and the second mouth of main positive contactless switch is connected to high-voltage load; The mouth of the positive contactless switch of described master also and have precharging circuit;
Described precharging circuit is made up of preliminary filling resistance and preliminary filling contactless switch, one end of described preliminary filling resistance is connected on position between high-tension fuse and the first mouth leading positive contactless switch, another termination preliminary filling contactless switch first mouth of preliminary filling resistance, the second mouth of preliminary filling contactless switch is connected to the point of connection place of the second mouth of high-voltage load and main positive contactless switch;
Main negative contactless switch, its control end is connected with battery management system BMS, and the first mouth of main negative contactless switch is connected to power cell of vehicle, and the second mouth of main negative contactless switch is connected to high-voltage load.
Described battery management system BMS is intercomed by CAN mutually with entire car controller VMS.
Described battery management system BMS and entire car controller VMS use SAEJ1939 agreement to communicate.
The enable port of high-voltage load is connected with the control port of entire car controller VMS.
The beneficial effects of the utility model are:
The power-on and power-off control circuit of high-pressure system adds preliminary filling protective circuit; simultaneously upward and downward electric process by VMS and BMS in conjunction with the common cooperation control of power cell of vehicle current state; avoid contactless switch in stateful switchover process because circuital current sudden change produces spark; solve high voltage connector contact and be adhered problem; improve the reliability of high-pressure system, extend the service life of high-pressure system.
Accompanying drawing explanation
Fig. 1 is control circuit schematic diagram of the present utility model;
Fig. 2 is braking method diagram of circuit of the present utility model;
In figure, 1, entire car controller VMS; 2, relay; 3, preliminary filling resistance; 4, preliminary filling contactless switch; 5, high-voltage load; 6, main negative contactless switch; 7, positive contactless switch is led; 8, high-tension fuse; 9, power cell of vehicle; 10, battery management system BMS.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
As shown in Figure 1, a kind of electric automobile high-voltage system power-on and power-off control circuit, comprises entire car controller VMS1, and battery management system BMS10, and described battery management system BMS10 intercoms with entire car controller VMS1 phase; Described battery management system BMS10 is connected with power cell of vehicle 9; Relay 2, its control end is connected with entire car controller VMS1, and the mouth of relay 2 is connected with power cell of vehicle 9; Main positive contactless switch 7, its control end is connected with battery management system BMS10, and the first mouth of main positive contactless switch 7 is connected to power cell of vehicle 9 by a high-tension fuse 8, and the second mouth of main positive contactless switch 7 is connected to high-voltage load 5; The mouth of the positive contactless switch 7 of described master also and have precharging circuit;
Precharging circuit is made up of preliminary filling resistance 3 and preliminary filling contactless switch 4, one end of described preliminary filling resistance 3 is connected on position between high-tension fuse 8 and the first mouth leading positive contactless switch 7, another termination preliminary filling contactless switch 4 first mouth of preliminary filling resistance 3, the second mouth of preliminary filling contactless switch 4 is connected to the point of connection place of the second mouth of high-voltage load 5 and main positive contactless switch 7;
Main negative contactless switch 6, its control end is connected with battery management system BMS10, and the first mouth of main negative contactless switch 6 is connected to power cell of vehicle 9, and the second mouth of main negative contactless switch 6 is connected to high-voltage load 5.
Battery management system BMS10 is intercomed by CAN mutually with entire car controller VMS1; SAEJ1939 agreement is used to communicate.
The enable port of high-voltage load 5 is connected with the control port of entire car controller VMS1.
As shown in Figure 2, a kind of control method of electric automobile high-voltage system power-on and power-off control circuit, comprises electrification control method and lower electric control method, and wherein, the concrete steps of electrification control method are:
S101, open the ignition key ON shelves of electronlmobil;
S102, entire car controller VMS self-inspection;
S103, entire car controller VMS judge self-detection result, if mal, then specification sheets breaks down, and re-powers after trouble-shooting, if normal, enter step S104;
S104, the adhesive of entire car controller VMS control relay, power cell of vehicle is that battery management system BMS powers;
S105, power cell of vehicle state are Powerup, and battery management system BMS carries out self-inspection simultaneously;
S106, battery management system BMS judge self-detection result, if mal, then re-power after trouble-shooting, if normal, enter step S108;
S107, power cell of vehicle state change Standby into by Powerup, and battery management system BMS controls main negative contactless switch adhesive simultaneously;
S108, entire car controller VMS send main positive contactless switch adhesive instruction to battery management system BMS;
S109, battery management system BMS receive instruction rear vehicle electrokinetic cell state and change Precharge into by Standby, control the adhesive of preliminary filling contactless switch simultaneously;
S110, battery management system BMS judge that whether preliminary filling is successful, if preliminary filling is unsuccessful, then power cell of vehicle state-transition is Contactorsopening, and battery management system BMS controls main positive contactless switch disconnection simultaneously; If preliminary filling success, then enter step S111;
S111, power cell of vehicle state-transition are Ready, and are this signal of Ready to entire car controller VMS sound vehicle electrokinetic cell state-transition, and battery management system BMS controls main positive contactless switch adhesive simultaneously;
S112, entire car controller VMS control that high-voltage load is enable powers on, and allow high-voltage load work, power up terminates.
The concrete steps of lower electric control method are:
The ignition key ON shelves of S201, closedown electronlmobil;
S202, entire car controller VMS control the enable lower electricity of high-voltage load;
S203, entire car controller VMS send main positive contactless switch open command to battery management system BMS;
S204, battery management system BMS detect present battery current status;
S205, battery management system BMS judge whether present battery electric current is 0, if 0 enters step S206, if not 0, then returns step S204; Battery management system BMS can not, more than the first Preset Time, if more than the first Preset Time, then force to enter step S206 at the length of the halt of this state;
S206, power cell of vehicle state-transition are Contactorsopening, and battery management system BMS controls main positive contactless switch disconnection simultaneously;
S207, power cell of vehicle state-transition are StateSave, and battery management system BMS preserves data, and this process dwell time should more than the second Preset Time;
S208, power cell of vehicle state-transition are Standby, and battery management system BMS controls main negative contactless switch disconnection simultaneously, and lower electric process terminates.
Preferably, the ID sending battery status for electrokinetic cell is " 0x18FF14F3 ", take 4 binary digits, being scaled da representation is: 0 represents BATT_STATE_POWER_UP state, 1 represents BATT_STATE_STANDBY state, 2 and represent BATT_STATE_PRECHARGE state, 3 and represent BATT_STATE_READY state, 4 and represent that BATT_STATE_OPENING state, 5 represents BATT_STATE_SAVE state, 6-14 is reserved state, 15 expression states are invalid.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (6)
1. an electric automobile high-voltage system power-on and power-off control circuit, is characterized in that, comprises entire car controller VMS, and battery management system BMS, and described battery management system BMS intercoms with entire car controller VMS phase; Described battery management system BMS is connected with power cell of vehicle;
Relay, its control end is connected with entire car controller VMS, and the mouth of relay is connected with power cell of vehicle;
Main positive contactless switch, its control end is connected with battery management system BMS, and the first mouth of main positive contactless switch is connected to power cell of vehicle, and the second mouth of main positive contactless switch is connected to high-voltage load; The mouth of the positive contactless switch of described master also and have precharging circuit;
Main negative contactless switch, its control end is connected with battery management system BMS, and the first mouth of main negative contactless switch is connected to power cell of vehicle, and the second mouth of main negative contactless switch is connected to high-voltage load.
2. a kind of electric automobile high-voltage system power-on and power-off control circuit as claimed in claim 1, it is characterized in that, described precharging circuit is made up of preliminary filling resistance and preliminary filling contactless switch, one end of described preliminary filling resistance is connected on the first mouth of main positive contactless switch, another termination preliminary filling contactless switch first mouth of preliminary filling resistance, the second mouth of preliminary filling contactless switch is connected to the point of connection place of the second mouth of high-voltage load and main positive contactless switch.
3. a kind of electric automobile high-voltage system power-on and power-off control circuit as claimed in claim 1, it is characterized in that, the first mouth of the positive contactless switch of described master is connected to power cell of vehicle by a high-tension fuse.
4. a kind of electric automobile high-voltage system power-on and power-off control circuit as claimed in claim 1, it is characterized in that, described battery management system BMS is intercomed by CAN mutually with entire car controller VMS.
5. a kind of electric automobile high-voltage system power-on and power-off control circuit as claimed in claim 1, it is characterized in that, described battery management system BMS and entire car controller VMS use SAEJ1939 agreement to communicate.
6. a kind of electric automobile high-voltage system power-on and power-off control circuit as claimed in claim 1, it is characterized in that, the enable port of high-voltage load is connected with the control port of entire car controller VMS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520591543.5U CN204978285U (en) | 2015-08-03 | 2015-08-03 | Electric control circuit about electric automobile high -pressure system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520591543.5U CN204978285U (en) | 2015-08-03 | 2015-08-03 | Electric control circuit about electric automobile high -pressure system |
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| CN204978285U true CN204978285U (en) | 2016-01-20 |
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| CN201520591543.5U Active CN204978285U (en) | 2015-08-03 | 2015-08-03 | Electric control circuit about electric automobile high -pressure system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034841A (en) * | 2015-07-29 | 2015-11-11 | 南通大学 | Strong electricity charging and discharging control method of hybrid electric vehicle and apparatus thereof |
| CN105172608A (en) * | 2015-08-03 | 2015-12-23 | 中通客车控股股份有限公司 | Control circuit and method for power on and power off of electric automobile high-pressure system |
| CN107662500A (en) * | 2016-07-28 | 2018-02-06 | 长城汽车股份有限公司 | Pure electric automobile electrification control method and pure electric automobile |
| CN107953794A (en) * | 2017-12-01 | 2018-04-24 | 北京长城华冠汽车科技股份有限公司 | Automotive electrical system |
| CN109664783A (en) * | 2018-12-25 | 2019-04-23 | 北斗航天汽车（北京）有限公司 | Vehicle-mounted charging device and on-board charging system |
| CN110752741A (en) * | 2019-09-27 | 2020-02-04 | 深圳市汇川技术股份有限公司 | Method, system, equipment and medium for controlling high-voltage and low-voltage power supply driving circuit to be powered on and powered off |
-
2015
- 2015-08-03 CN CN201520591543.5U patent/CN204978285U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034841A (en) * | 2015-07-29 | 2015-11-11 | 南通大学 | Strong electricity charging and discharging control method of hybrid electric vehicle and apparatus thereof |
| CN105172608A (en) * | 2015-08-03 | 2015-12-23 | 中通客车控股股份有限公司 | Control circuit and method for power on and power off of electric automobile high-pressure system |
| CN105172608B (en) * | 2015-08-03 | 2017-09-29 | 中通客车控股股份有限公司 | Electric control circuit and control method above and below a kind of electric automobile high-voltage system |
| CN107662500A (en) * | 2016-07-28 | 2018-02-06 | 长城汽车股份有限公司 | Pure electric automobile electrification control method and pure electric automobile |
| CN107953794A (en) * | 2017-12-01 | 2018-04-24 | 北京长城华冠汽车科技股份有限公司 | Automotive electrical system |
| CN109664783A (en) * | 2018-12-25 | 2019-04-23 | 北斗航天汽车（北京）有限公司 | Vehicle-mounted charging device and on-board charging system |
| CN110752741A (en) * | 2019-09-27 | 2020-02-04 | 深圳市汇川技术股份有限公司 | Method, system, equipment and medium for controlling high-voltage and low-voltage power supply driving circuit to be powered on and powered off |
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| GR01 | Patent grant |