CN203186124U - Switching-off/awakening circuit of vehicle control unit - Google Patents
Switching-off/awakening circuit of vehicle control unit Download PDFInfo
- Publication number
- CN203186124U CN203186124U CN2013201497120U CN201320149712U CN203186124U CN 203186124 U CN203186124 U CN 203186124U CN 2013201497120 U CN2013201497120 U CN 2013201497120U CN 201320149712 U CN201320149712 U CN 201320149712U CN 203186124 U CN203186124 U CN 203186124U
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- Prior art keywords
- controller
- low
- relay
- voltage distribution
- storage battery
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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
Abstract
The utility model relates to a switching-off/awakening circuit of a vehicle control unit. The switching-off/awakening circuit comprises a storage battery, an ignition switch, the vehicle control unit, a low-voltage distribution controller and a storage battery charging controller, wherein the ignition switch is connected with the low-voltage distribution controller, the vehicle control unit outputs a first control signal to the low-voltage distribution controller, the storage battery supplies electricity for the vehicle control unit through the low-voltage distribution controller, and the storage battery charging controller is connected with the low-voltage distribution controller. The switching-off/awakening circuit utilizes the low-voltage distribution controller to control the power supply situation of the vehicle control unit, then controls work of the low-voltage distribution controller through the vehicle control unit and enables the vehicle control unit not to be switched off until the vehicle control unit is delayed for a period of time when the ignition switch of an electric vehicle is switched off. After the vehicle control unit is switched off, if the storage battery is charged, the storage battery charging controller switches on a power supply access of the vehicle control unit through the low-voltage distribution controller, and accordingly the vehicle control unit is awakened.
Description
Technical field
The utility model relates to auto electric control technology field, is specifically related to a kind of cut-out/wake-up circuit of entire car controller.
Background technology
Electronlmobil is mainly to be energy source, all or part of by motor-driven automobile with the battery, and electronlmobil can be directly passed to drive part with the rotation of electrical motor, thereby does not almost have noise and vibration, is one of important channel of auto trade sustainable development.
General electronlmobil is controlled monitoring by entire car controller to other electronic machines, some controlled object is not to quit work at once after ignition lock disconnects, but can postpone work a period of time again, this moment, entire car controller lost power supply, can't monitor other equipment.After ignition lock disconnected, electronlmobil may need charging, and battery management system is in running order, and this moment, entire car controller lost power supply, data that can't the monitoring battery charging.
The utility model content
In order to solve the problems of the technologies described above, the utility model proposes a kind of cut-out/wake-up circuit of entire car controller, its technical scheme is as follows:
A kind of cut-out/wake-up circuit of entire car controller comprises:
Storage battery, ignition lock, entire car controller and low-voltage distribution controller; Described ignition lock is connected with the low-voltage distribution controller, and described entire car controller output first controls signal to the low-voltage distribution controller, and described storage battery is the entire car controller power supply by the low-voltage distribution controller;
When described ignition lock was opened, the low-voltage distribution controller was connected the supply access of storage battery and entire car controller, and entire car controller works on power; When described ignition lock was closed, output first controlled signal to the low-voltage distribution controller after entire car controller postponed a period of time by internal processes, made described low-voltage distribution controller cut off described supply access.
Further, also comprise the storage battery charge controller that is connected with the low-voltage distribution controller;
Described storage battery charge controller is exported corresponding second and is controlled signal to the low-voltage distribution controller when battery charge or charging finish, and makes described low-voltage distribution controller switch on or off described supply access.
Further, described low-voltage distribution controller comprises first relay and first diode; First end of the coil of described first relay is connected with ignition lock, second end is connected with the control signal output pin of entire car controller, and open contact is connected with storage battery, and common is connected with the power pin of entire car controller; The positive pole of described first diode is connected with the common of described first relay, and negative pole is connected with first end of the coil of first relay.
Output high level signal to the first relay made coil conducting, the open contact adhesive of described first relay, thereby connects described supply access when described ignition lock was opened; Output low level signal to the first relay when described ignition lock is closed, entire car controller is output first control signal the same with battery tension after ignition lock closes the back to postpone a period of time, make that the described first relay coil both end voltage equates, open contact disconnects, thereby cuts off described supply access; The control first control signal saltus step is low level behind the described entire car controller cut-out supply access.
Further, described low-voltage distribution controller also comprises second relay; The coil two ends of described second relay are connected with the ground connection common port with the control signal mouth of storage battery charge controller respectively, and open contact is connected with described storage battery, and common is connected with first end of the coil of described first relay.
Export second of high level simultaneously when described storage battery charge controller is controlled battery charge and control signal to second relay, make coil conducting, the open contact closure of second relay, thereby connect described supply access; When described battery charge finished, it was low level that described storage battery charge controller is controlled the second control signal saltus step, thereby cut off described supply access.
Further, reverse parallel connection second diode on the coil of described first relay.
Further, reverse parallel connection the 3rd diode on the coil of described second relay.
The utility model utilizes the electric power thus supplied of low-voltage distribution controller control entire car controller, pass through the work of vehicle control unit controls low-voltage distribution controller again, realized when the electronlmobil ignition lock disconnects, storage battery still can be powered to entire car controller within a certain period of time, makes entire car controller postpone just to be cut off after a period of time.After entire car controller was cut off, if storage battery begins charging, storage battery charge controller can be connected the supply access of entire car controller by the low-voltage distribution controller, thereby wakes entire car controller up.
Description of drawings
Fig. 1 is the power supply the principle scheme drawing of entire car controller in the prior art.
Fig. 2 is the principle schematic of the cut-out/wake-up circuit of the utility model entire car controller.
Fig. 3 is the circuit diagram of the cut-out/wake-up circuit embodiment of the utility model entire car controller.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Be illustrated in figure 1 as the power supply the principle scheme drawing of entire car controller in the prior art, connect by a relay 4 between ignition lock 1, storage battery 2 and the entire car controller 3 in the prior art, after ignition lock 1 closure, relay 4 adhesives, storage battery 2 forms the loop with entire car controller 3, and storage battery 2 begins to entire car controller 3 power supplies; After ignition lock 1 disconnected, relay 4 disconnected immediately, and storage battery 2 stops to entire car controller 3 power supplies.In the prior art, because circuit has only 4 controls of a relay, after ignition lock 1 disconnected, entire car controller 3 lost power supply immediately.
Be illustrated in figure 2 as the principle schematic of the cut-out/wake-up circuit of the utility model entire car controller, comprise:
Described ignition lock 1 is connected with low-voltage distribution controller 4, and described entire car controller 3 outputs first control signal to low-voltage distribution controller 4, and described storage battery 2 is entire car controller 3 power supplies by low-voltage distribution controller 4; When described ignition lock 1 was opened, low-voltage distribution controller 4 was connected the supply access of storage battery 2 and entire car controller 3, and entire car controller 3 works on power; When described ignition lock 1 was closed, output first controlled signal to low-voltage distribution controller 4 after entire car controller 3 postponed a period of time by internal processes, made described low-voltage distribution controller 4 cut off described supply access.
Described storage battery charge controller 5 is connected with low-voltage distribution controller 4; Described storage battery charge controller 5 is exported corresponding second and is controlled signal to low-voltage distribution controller 4 when storage battery 2 charging or charging finish, and makes described low-voltage distribution controller 4 switch on or off described supply access accordingly.
Be the circuit diagram of the cut-out/wake-up circuit embodiment of the utility model entire car controller as Fig. 3, adopt an adaptor union to insert in the present embodiment and pick out each pin, each pin of adaptor union is as follows: pin 1 is the control signal mouth of storage battery charge controller, pin 2 is the ground connection public terminal GND, pin 3 is ignition lock, pin 4 is the control signal output pin of entire car controller, and pin 7 is storage battery, and pin 9 is the power pin of entire car controller.
Described low-voltage distribution controller comprises first relay K 2 and the first diode D4; First end of the coil of described first relay K 2 is connected with ignition lock (pin 3), second end is connected with the control signal output pin (pin 4) of entire car controller, open contact is connected with storage battery (pin 7), and common is connected with the power pin (pin 9) of entire car controller; The positive pole of the described first diode D4 is connected with the common of described first relay K 2, and negative pole is connected with first end of the coil of first relay K 2.
Output high level signal to the first relay K 2 made coil conducting, the open contact adhesive of described first relay K 2, thereby connects described supply access when described ignition lock was opened, and storage battery begins to be the entire car controller power supply; Output low level signal to the first relay K 2 when described ignition lock is closed, entire car controller is output first control signal the same with battery tension after ignition lock closes the back to postpone a period of time, make that described first relay K, 2 coil both end voltage equate, open contact disconnects, thereby cut off described supply access, storage battery stops to be the entire car controller power supply; The control first control signal saltus step is low level behind the described entire car controller cut-out supply access.
Further, described low-voltage distribution controller also comprises second relay K 1; The coil two ends of described second relay K 1 are connected with ground connection common port (pin 2) with the control signal mouth (pin 1) of storage battery charge controller respectively, open contact is connected with described storage battery (pin 7), and common is connected with first end of the coil of described first relay K 2.
Export second of high level simultaneously when described storage battery charge controller is controlled battery charge and control signal to second relay K 1, make coil conducting, the open contact closure of second relay K 1, thereby connect described supply access, wake entire car controller up; When described battery charge finished, it was low level that described storage battery charge controller is controlled the second control signal saltus step, thereby cut off described supply access, and storage battery stops to be the entire car controller power supply.
Further, the reverse parallel connection second diode D5 on the coil of described first relay K 2, reverse parallel connection the 3rd diode D1 on the coil of described second relay K 1, the high potential that is not produced when disconnecting with protective relay damages.
In the present embodiment, pin 5 is fast charge wake-up signals, the same with the principle of work of pin 1, when storage battery during in fast charge, storage battery charge controller sends a high level signal and gives the low-voltage distribution controller, this signal can make relay K 1 and K2 adhesive, and storage battery begins to power to entire car controller.The effect of aerotron D3, D7 is anti-reverse, can protective circuit when pin 3 and pin 1 reversal connection.Pin 7,8 all is to connect storage battery, considers that therefore the conveyance capacity of connector has used two pins, plays a part redundant.Pin 9,10 connects entire car controller, also plays a part redundant.
The utility model utilizes the electric power thus supplied of low-voltage distribution controller control entire car controller, pass through the work of vehicle control unit controls low-voltage distribution controller again, realized when the electronlmobil ignition lock disconnects, storage battery still can be powered to entire car controller within a certain period of time, makes entire car controller postpone just to be cut off after a period of time.After entire car controller was cut off, if storage battery begins charging, storage battery charge controller can be connected the supply access of entire car controller by the low-voltage distribution controller, thereby wakes entire car controller up.
Embodiment shown in above foundation is graphic describes structure of the present utility model, feature and action effect in detail; the above only is preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in the drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding specification sheets yet and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (6)
1. cut-out/the wake-up circuit of an entire car controller is characterized in that, comprising:
Storage battery, ignition lock, entire car controller and low-voltage distribution controller; Described ignition lock is connected with the low-voltage distribution controller, and described entire car controller output first controls signal to the low-voltage distribution controller, and described storage battery is the entire car controller power supply by the low-voltage distribution controller;
When described ignition lock was opened, the low-voltage distribution controller was connected the supply access of storage battery and entire car controller, and entire car controller works on power; When described ignition lock was closed, output first controlled signal to the low-voltage distribution controller after entire car controller postponed a period of time by internal processes, made described low-voltage distribution controller cut off described supply access.
2. circuit as claimed in claim 1 is characterized in that:
Also comprise the storage battery charge controller that is connected with the low-voltage distribution controller;
Described storage battery charge controller is exported corresponding second and is controlled signal to the low-voltage distribution controller when battery charge or charging finish, and makes described low-voltage distribution controller switch on or off described supply access.
3. as each described circuit of claim 1-2, it is characterized in that:
Described low-voltage distribution controller comprises first relay and first diode; First end of the coil of described first relay is connected with ignition lock, second end is connected with the control signal output pin of entire car controller, and open contact is connected with storage battery, and common is connected with the power pin of entire car controller; The positive pole of described first diode is connected with the common of described first relay, and negative pole is connected with first end of the coil of first relay;
Output high level signal to the first relay made coil conducting, the open contact adhesive of described first relay, thereby connects described supply access when described ignition lock was opened; Output low level signal to the first relay when described ignition lock is closed, entire car controller is output first control signal the same with battery tension after ignition lock closes the back to postpone a period of time, make that the described first relay coil both end voltage equates, open contact disconnects, thereby cuts off described supply access; The control first control signal saltus step is low level behind the described entire car controller cut-out supply access.
4. circuit as claimed in claim 3 is characterized in that:
Described low-voltage distribution controller also comprises second relay; The coil two ends of described second relay are connected with the ground connection common port with the control signal mouth of storage battery charge controller respectively, and open contact is connected with described storage battery, and common is connected with first end of the coil of described first relay;
Export second of high level simultaneously when described storage battery charge controller is controlled battery charge and control signal to second relay, make coil conducting, the open contact closure of second relay, thereby connect described supply access; When described battery charge finished, it was low level that described storage battery charge controller is controlled the second control signal saltus step, thereby cut off described supply access.
5. circuit as claimed in claim 3 is characterized in that:
Reverse parallel connection second diode on the coil of described first relay.
6. circuit as claimed in claim 4 is characterized in that:
Reverse parallel connection the 3rd diode on the coil of described second relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201497120U CN203186124U (en) | 2013-03-28 | 2013-03-28 | Switching-off/awakening circuit of vehicle control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201497120U CN203186124U (en) | 2013-03-28 | 2013-03-28 | Switching-off/awakening circuit of vehicle control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203186124U true CN203186124U (en) | 2013-09-11 |
Family
ID=49103008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201497120U Withdrawn - After Issue CN203186124U (en) | 2013-03-28 | 2013-03-28 | Switching-off/awakening circuit of vehicle control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203186124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182949A (en) * | 2013-03-28 | 2013-07-03 | 安徽江淮汽车股份有限公司 | Cut-off/wake-up circuit of whole vehicle controller |
| CN103779622A (en) * | 2014-02-13 | 2014-05-07 | 安徽江淮汽车股份有限公司 | Power supply management method of power battery pack |
-
2013
- 2013-03-28 CN CN2013201497120U patent/CN203186124U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182949A (en) * | 2013-03-28 | 2013-07-03 | 安徽江淮汽车股份有限公司 | Cut-off/wake-up circuit of whole vehicle controller |
| CN103182949B (en) * | 2013-03-28 | 2015-01-07 | 安徽江淮汽车股份有限公司 | Cut-off/wake-up circuit of whole vehicle controller |
| CN103779622A (en) * | 2014-02-13 | 2014-05-07 | 安徽江淮汽车股份有限公司 | Power supply management method of power battery pack |
| CN103779622B (en) * | 2014-02-13 | 2015-08-12 | 安徽江淮汽车股份有限公司 | A kind of method for managing power supply of electrokinetic cell bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150107 |
|
| RGAV | Abandon patent right to avoid regrant |