CN203032410U - Electric automobile high-voltage control system - Google Patents
Electric automobile high-voltage control system Download PDFInfo
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- CN203032410U CN203032410U CN 201220707772 CN201220707772U CN203032410U CN 203032410 U CN203032410 U CN 203032410U CN 201220707772 CN201220707772 CN 201220707772 CN 201220707772 U CN201220707772 U CN 201220707772U CN 203032410 U CN203032410 U CN 203032410U
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Abstract
The utility model discloses an electric automobile high-voltage control system. The electric automobile high-voltage control system is characterized by comprising high-voltage electric devices, a battery management module, a signal input module, a major loop, a charging loop, a pre-charging loop, a discharge loop, a power distribution loop, a power-on normal indicating circuit and a charging indicating circuit. The battery management module is respectively connected with the signal input module, the major loop, the charging loop and the pre-charging loop, the power distribution loop and all the high-voltage electric devices are combined in the major loop, the power-on normal indicating circuit is respectively connected with a feedback signal of a major positive contactor in the major loop and a feedback signal of a major negative contactor in the major loop, and the charging indicating circuit is connected with a feedback signal of a charging contactor in the charging loop. All high-voltage control components are controlled in a centralized mode, a high-voltage pre-charging system based on a single chip microcomputer is developed, programming control is achieved, a discharging circuit and a charging circuit are added, safe protection of personnel and components is enhanced, and the electric automobile high-voltage control system has the advantages of being reasonable in control, safe and reliable.
Description
Technical field
The utility model relates to new-energy automobile design and manufacturing field, relates in particular to a kind of electronlmobil high voltage system.
Background technology
The power component of electronlmobil is electrically operated by high pressure, and the control technology of high-pressure system directly has influence on safety and the performance of car load.The high voltage system of most of electronlmobils of prior art all is that piecemeal is realized: precharging circuit is placed in the electrokinetic cell controller, major loop is placed in high voltage power distributing cabinet of car load design, do not have special discharge loop, be unfavorable for system maintenance personnel's personal safety; Do not have special charge circuit, adopt charging socket to charge, without any the emergency protection measure, cause potential safety hazard easily.
Summary of the invention
The purpose of this utility model is exactly in order to solve the problems referred to above and the deficiency that prior art exists; A kind of electronlmobil high voltage system is provided; All high pressure control parts are carried out centralized control, developed SCM Based high pressure pre-fill system, realized sequencing control; Increase discharge circuit and charge circuit, strengthened the safety guard-safeguard of personnel and parts, had reasonable, the safe and reliable advantage of control.
To achieve these goals, the utility model adopts following technical scheme:
A kind of electronlmobil high voltage system, comprise the high pressure consumer, battery management module (BMS), signal input module, major loop, charge circuit, the preliminary filling loop, discharge loop, distribution loop and power on normal, charging indication, battery management module respectively with signal input module, major loop, charge circuit, the preliminary filling loop connects, distribution loop and each high pressure consumer and in major loop, described power on normal indicating circuit respectively with major loop in the positive contactless switch of master, the feedback signal of main negative contactless switch connects, and the feedback signal of the charging contactor in charging indication and the charge circuit is connected.
The incoming signal of signal input module comprises CAN signal, key power supply signal, the normal electric signal of 24V, main circuit voltage and the current detection signal of entire car controller and battery box controller.
Described major loop comprises high pressure insurance F7, main positive contactless switch K3, consumer assembly, main negative contactless switch K6, high pressure insurance F7, main positive contactless switch K3, consumer assembly, main negative contactless switch K6 be connected with power supply after power supply is connected successively.
Described charge circuit comprises high pressure insurance F7, charging contactor K5, main negative contactless switch K6, and described high pressure insurance F7, charging contactor K5, main negative contactless switch K6 are connected with power supply with charger series connection back.
Described preliminary filling loop comprises high pressure insurance F7, preliminary filling resistance R1, preliminary filling contactless switch K2, main positive contactless switch K3, device interior electric capacity, main negative contactless switch K6, wherein the preliminary filling resistance R1 back, in parallel with main positive contactless switch K3 again of connecting with preliminary filling contactless switch K2 is connected with device capacitances, main negative contactless switch K6, power supply then successively.
Described discharge loop comprises discharge contactless switch K4, discharging resistance R2 and discharge control (low pressure control circuit) circuit, and described electric contactor K4, discharging resistance R2 and device capacitances form the loop.
Described charge/discharge control circuit comprises the manual self-resetting switch S1 of exterior fascia, hand switch S2, battery isolator control S3, single contact normally closed relay K1, manually self-resetting switch S1 connects with the contact of single contact normally closed relay K1 and forms first circuit, battery isolator control S3 connects with the control coil of single contact normally closed relay K1 and forms second circuit, connect with hand switch S2 after first circuit and the second circuit parallel connection, hand switch S2 is connected with power supply.The manual self-resetting switch S1 control of exterior fascia arranges by the outer low pressure circuit, guarantees that behind last secondary power supply electric contactor K4 can not be closed.Car load normally moves, hand switch S2, battery isolator control S3 closure, and K switch 0 disconnects, and electric contactor K4 can not be closed; Only in hand switch S2 closure, just can make electric contactor K4 closure under the moving self-resetting switch S1 situation of battery isolator control S3 disconnection and hand over hand, realize discharge.
Described power on normal, charging indication mainly comprise main positive feed back LED light, main inverse feedback LED light, charging feedback LED light.Described main positive feed back LED light, main inverse feedback LED light, charging feedback LED light one end ground connection; The other end connects the interlock secondary contact of main positive contactless switch K3, main negative contactless switch K6, charging contactor K5 respectively, is connected with power supply again.
Described distribution loop is each high pressure consumer and in major loop, and the high pressure consumer comprises main electric machine controller (MCU), electric air-conditioning, frequency converter DC/AC, low pressure charger DC/DC, electric defroster.
Described battery management module, signal input module, major loop, charge circuit, preliminary filling loop, discharge loop, distribution loop, normal, the charging indication of powering on are integrated in the insulation casing.
The safety control of high-pressure system needs to realize jointly that with low-pressure system, each control unit specific implementation is as follows:
1, major loop: major loop control realizes by the control of main contactor K3, main negative contactless switch K6.Control its on off mode by battery management module, its master mode is divided two kinds:
(1) battery management module detects the battery trouble free, and the CAN data transmission is given entire car controller, vehicle control unit controls.
(2) battery management module detects the battery trouble free, directly control;
2, charge circuit: control by charging contactor K5.Battery management module detects charging coupled condition and communication state, direct control contactor K5, conducting charge circuit.
3, preliminary filling loop: preliminary filling contactless switch K2 control.After entire car controller detects the K6 closure, control K2 closure, beginning preliminary filling; Electric machine controller detect behind the preliminary filling voltage more than or equal to 0.95 times of preliminary filling before behind the voltage, control K3 closure; After entire car controller detects the K3 closure, disconnect contactless switch K2; If entire car controller 10S detects less than the K3 closure signal, disconnect K2.
4, discharge loop: contactless switch K4 control.The manual self-resetting switch S1 control of exterior fascia arranges by the outer low pressure circuit, guarantees that behind last secondary power supply K4 can not be closed.
Car load normally moves, S2, S3 closure, and K0 disconnects, and K4 can not be closed; Only in the S2 closure, S3 disconnection and hand are realized discharge by just making the K4 closure under the S1 situation.
5, distribution loop: except low pressure charger DC/DC, other consumer is direct branch behind the major loop K3 all.The purpose of DC/DC before K3 is to prevent low pressure 24V accumulator feeding in order to charge.
6, normal, the charging indication that powers on: main positive contactless switch K3, main negative contactless switch K6, charging contactor K5 all select band feedback function type for use.Normal when powering on, LED1,2 bright, during charging, LED3 is bright.
The beneficial effects of the utility model:
1, be provided with discharge circuit and charge circuit, strengthened the safety guard-safeguard of personnel and parts, it is reasonable, safe and reliable to control;
2, all consumers are all by the preliminary filling process, the journey of correcting one's mistakes is to carry out dual comparison by the pressure reduction that controller is breathed out battery-end according to the pressure reduction of the pressure reduction of preliminary filling resistance, electric machine controller, its whole process is all realized by software, the drawback that the thick spacious type of having avoided pure hardware controls to bring is controlled;
3. be provided with contactless switch mode of operation indicating circuit, can easily monitor the state of each contactless switch;
4. modular design has reduced design size and number of components, is convenient to car load and arranges; Disperse the parts height integrated each, improved the high-pressure system servicing ease, be beneficial to the wiring of car load high pressure, reduce construction intensity.
Description of drawings
Fig. 1 is control circuit schematic diagram of the present utility model;
Fig. 2 is the high voltage circuit schematic diagram;
Fig. 3 main loop circuit annexation figure;
Fig. 4 charge circuit circuit connecting relation figure;
Fig. 5 is preliminary filling loop circuit annexation figure;
Fig. 6 is discharge loop annexation figure;
Fig. 7 is charge/discharge control circuit annexation figure;
Fig. 8 is normal, the charging indication annexation figure of powering on.
The specific embodiment
Be described further below in conjunction with accompanying drawing and the utility model of embodiment.
In conjunction with Fig. 1 to Fig. 8, a kind of electronlmobil high voltage system, comprise the high pressure consumer, battery management module (BMS), signal input module, major loop, charge circuit, the preliminary filling loop, discharge loop, distribution loop and power on normal, charging indication, battery management module respectively with signal input module, major loop, charge circuit, the preliminary filling loop connects, distribution loop and each high pressure consumer and in major loop, described power on normal indicating circuit respectively with major loop in the positive contactless switch of master, the feedback signal of main negative contactless switch connects, and the feedback signal of the charging contactor in charging indication and the charge circuit is connected.
The incoming signal of signal input module comprises CAN signal, key power supply signal, the normal electric signal of 24V, main circuit voltage and the current detection signal of entire car controller and battery box controller.
Described major loop comprises high pressure insurance F7, main positive contactless switch K3, consumer assembly, main negative contactless switch K6, high pressure insurance F7, main positive contactless switch K3, consumer assembly, main negative contactless switch K6 be connected with power supply after power supply is connected successively.Main loop circuit annexation such as Fig. 3.Major loop control realizes by the control of main contactor K3, main negative contactless switch K6.Control its on off mode by battery management module, its master mode is divided two kinds: first kind is that battery management module detects the battery trouble free, and the CAN data transmission is given entire car controller, vehicle control unit controls.Second kind is that battery management module detects the battery trouble free, directly control.
Charge circuit comprises high pressure insurance F7, charging contactor K5, main negative contactless switch K6, and described high pressure insurance F7, charging contactor K5, main negative contactless switch K6 are connected with power supply with charger series connection back.Annexation such as Fig. 4.Charge circuit is by charging contactor K5 control.Battery management module detects charging coupled condition and communication state, direct control contactor K5, conducting charge circuit.
The preliminary filling loop comprises high pressure insurance F7, preliminary filling resistance R1, preliminary filling contactless switch K2, main positive contactless switch K3, device interior electric capacity, main negative contactless switch K6, wherein the preliminary filling resistance R1 back, in parallel with main positive contactless switch K3 again of connecting with preliminary filling contactless switch K2 is connected with device capacitances, main negative contactless switch K6, power supply then successively.Annexation such as Fig. 5.The preliminary filling loop is by preliminary filling contactless switch K2 control.After entire car controller detects the K6 closure, control K2 closure, beginning preliminary filling; Electric machine controller detect behind the preliminary filling voltage more than or equal to 0.95 times of preliminary filling before behind the voltage, control K3 closure; After entire car controller detects the K3 closure, disconnect contactless switch K2; If entire car controller 10S detects less than the K3 closure signal, disconnect K2.
Discharge loop comprises discharge contactless switch K4, discharging resistance R2 and discharge control (low pressure control circuit) circuit, and described electric contactor K4, discharging resistance R2 and device capacitances form the loop.Annexation is as Fig. 6.Discharge loop is by contactless switch K4 control.The manual self-resetting switch S1 control of exterior fascia arranges by the outer low pressure circuit, guarantees that behind last secondary power supply K4 can not be closed.
Charge/discharge control circuit comprises the manual self-resetting switch S1 of exterior fascia, hand switch S2, battery isolator control S3, single contact normally closed relay K1, manually self-resetting switch S1 connects with the contact of single contact normally closed relay K1 and forms first circuit, battery isolator control S3 connects with the control coil of single contact normally closed relay K1 and forms second circuit, connect with hand switch S2 after first circuit and the second circuit parallel connection, hand switch S2 is connected with power supply.The manual self-resetting switch S1 control of exterior fascia arranges by the outer low pressure circuit, guarantees that behind last secondary power supply electric contactor K4 can not be closed.Car load normally moves, hand switch S2, battery isolator control S3 closure, and K switch 0 disconnects, and electric contactor K4 can not be closed; Only in hand switch S2 closure, just can make electric contactor K4 closure under the moving self-resetting switch S1 situation of battery isolator control S3 disconnection and hand over hand, realize discharge.Charge/discharge control circuit such as Fig. 7.Car load normally moves, S2, S3 closure, and K0 disconnects, and K4 can not be closed; Only in the S2 closure, S3 disconnection and hand are realized discharge by just making the K4 closure under the S1 situation.
Normal, charging indication power on, mainly comprise main positive feed back LED light, main inverse feedback LED light, charging feedback LED light, described main positive feed back LED light, main inverse feedback LED light, charging feedback LED light one end ground connection, the other end by the interlock secondary contact of main positive contactless switch K3, main negative contactless switch K6, charging contactor K5, is connected with power supply respectively again.Annexation such as Fig. 8.Power on normal, the positive contactless switch K3 of master of charging indication, main negative contactless switch K6, charging contactor K5 all selects band feedback function type for use.Normal when powering on, LED1,2 bright, during charging, LED3 is bright.
Distribution loop is each high pressure consumer and in major loop, and the high pressure consumer comprises main electric machine controller (MCU), electric air-conditioning, frequency converter DC/AC, low pressure charger DC/DC, electric defroster.Distribution loop is except DC/DC, and other consumer is direct branch behind the major loop K3 all.The purpose of low pressure charger DC/DC before K3 is to prevent low pressure 24V accumulator feeding in order to charge.
Described battery management module, signal input module, major loop, charge circuit, preliminary filling loop, discharge loop, distribution loop, normal, the charging indication of powering on are integrated in the insulation casing.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of utility model is described; but be not the restriction 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 modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (10)
1. electronlmobil high voltage system, it is characterized in that, comprise the high pressure consumer, battery management module, signal input module, major loop, charge circuit, the preliminary filling loop, discharge loop, distribution loop and power on normal, charging indication, battery management module respectively with signal input module, major loop, charge circuit, the preliminary filling loop connects, distribution loop and each high pressure consumer and in major loop, described power on normal indicating circuit respectively with major loop in the positive contactless switch of master, the feedback signal of main negative contactless switch connects, and the feedback signal of the charging contactor in charging indication and the charge circuit is connected.
2. electronlmobil high voltage system as claimed in claim 1, it is characterized in that the incoming signal of described signal input module comprises CAN signal, key power supply signal, the normal electric signal of 24V, main circuit voltage and the current detection signal of entire car controller and battery box controller.
3. electronlmobil high voltage system as claimed in claim 1, it is characterized in that, described major loop comprises high pressure insurance F7, the positive contactless switch K3 of master, consumer assembly, the main contactless switch K6 of bearing, and is connected with power supply after described high pressure insurance F7, main positive contactless switch K3, consumer assembly, the negative contactless switch K6 of master and power supply are connected successively.
4. electronlmobil high voltage system as claimed in claim 1, it is characterized in that, described charge circuit comprises high pressure insurance F7, charging contactor K5, main negative contactless switch K6, and described high pressure insurance F7, charging contactor K5, main negative contactless switch K6 are connected with power supply with charger series connection back.
5. electronlmobil high voltage system as claimed in claim 1, it is characterized in that, described preliminary filling loop comprises high pressure insurance F7, preliminary filling resistance R1, preliminary filling contactless switch K2, main positive contactless switch K3, device interior electric capacity, main negative contactless switch K6, wherein the preliminary filling resistance R1 back, in parallel with main positive contactless switch K3 again of connecting with preliminary filling contactless switch K2 is connected with device capacitances, main negative contactless switch K6, power supply then successively.
6. electronlmobil high voltage system as claimed in claim 1 is characterized in that, described discharge loop comprises discharge contactless switch K4, discharging resistance R2 and charge/discharge control circuit, and described electric contactor K4, discharging resistance R2 and device capacitances form the loop.
7. electronlmobil high voltage system as claimed in claim 1, it is characterized in that, described charge/discharge control circuit comprises the manual self-resetting switch S1 of exterior fascia, hand switch S2, battery isolator control S3, single contact normally closed relay K1, manually self-resetting switch S1 connects with the contact of single contact normally closed relay K1 and forms first circuit, battery isolator control S3 connects with the control coil of single contact normally closed relay K1 and forms second circuit, connect with hand switch S2 after first circuit and the second circuit parallel connection, hand switch S2 is connected with power supply.
8. electronlmobil high voltage system as claimed in claim 1, it is characterized in that, described power on normal, charging indication, mainly comprise main positive feed back LED light, main inverse feedback LED light, charging feedback LED light, described main positive feed back LED light, main inverse feedback LED light, charging feedback LED light one end ground connection, the other end is connected with power supply by main positive contactless switch K3, main negative contactless switch K6, charging contactor K5 respectively.
9. electronlmobil high voltage system as claimed in claim 1, it is characterized in that, described distribution loop is each high pressure consumer and in major loop, and the high pressure consumer comprises main motor, electric air-conditioning, frequency converter DC/AC, low pressure charger DC/DC, electric defroster.
10. electronlmobil high voltage system as claimed in claim 1, it is characterized in that described battery management module, signal input module, major loop, charge circuit, preliminary filling loop, discharge loop, distribution loop, normal, the charging indication of powering on are integrated in the insulation casing.
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| CN 201220707772 CN203032410U (en) | 2012-12-20 | 2012-12-20 | Electric automobile high-voltage control system |
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| CN 201220707772 CN203032410U (en) | 2012-12-20 | 2012-12-20 | Electric automobile high-voltage control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150091377A1 (en) * | 2013-09-27 | 2015-04-02 | GM Global Technology Operations LLC | Distributed vehicle battery high-voltage bus systems and methods |
| CN105549442A (en) * | 2016-01-14 | 2016-05-04 | 阿尔特汽车技术股份有限公司 | High-voltage integrated control system for electric car |
| CN106541909A (en) * | 2016-12-08 | 2017-03-29 | 深圳市品川能源电气有限公司 | A kind of intelligent high-pressure distribution management device |
| CN107499141A (en) * | 2017-09-20 | 2017-12-22 | 中国重汽集团济南动力有限公司 | A kind of multiaxis Direct wheel drives distributed high-pressure system used for electric vehicle |
| CN112977067A (en) * | 2021-03-03 | 2021-06-18 | 南京恒天领锐汽车有限公司 | Electrifying strategy for high-voltage power distribution cabinet of pure electric logistics vehicle |
-
2012
- 2012-12-20 CN CN 201220707772 patent/CN203032410U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150091377A1 (en) * | 2013-09-27 | 2015-04-02 | GM Global Technology Operations LLC | Distributed vehicle battery high-voltage bus systems and methods |
| CN104512269A (en) * | 2013-09-27 | 2015-04-15 | 通用汽车环球科技运作有限责任公司 | Distributed vehicle battery high-voltage bus systems and methods |
| US9802558B2 (en) * | 2013-09-27 | 2017-10-31 | GM Global Technology Operations LLC | Distributed vehicle battery high-voltage bus systems and methods |
| CN105549442A (en) * | 2016-01-14 | 2016-05-04 | 阿尔特汽车技术股份有限公司 | High-voltage integrated control system for electric car |
| CN105549442B (en) * | 2016-01-14 | 2018-07-17 | 阿尔特汽车技术股份有限公司 | Electric automobile high-voltage integrated control system |
| CN106541909A (en) * | 2016-12-08 | 2017-03-29 | 深圳市品川能源电气有限公司 | A kind of intelligent high-pressure distribution management device |
| CN106541909B (en) * | 2016-12-08 | 2023-11-03 | 国网浙江省电力有限公司龙游县供电公司 | Intelligent high-voltage power distribution manager |
| CN107499141A (en) * | 2017-09-20 | 2017-12-22 | 中国重汽集团济南动力有限公司 | A kind of multiaxis Direct wheel drives distributed high-pressure system used for electric vehicle |
| CN112977067A (en) * | 2021-03-03 | 2021-06-18 | 南京恒天领锐汽车有限公司 | Electrifying strategy for high-voltage power distribution cabinet of pure electric logistics vehicle |
| CN112977067B (en) * | 2021-03-03 | 2022-02-11 | 南京恒天领锐汽车有限公司 | Electrifying strategy for high-voltage power distribution cabinet of pure electric logistics vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20151220 |
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| EXPY | Termination of patent right or utility model |