CN105128779B - Load switching information collecting system for vehicle body controller - Google Patents
Load switching information collecting system for vehicle body controller Download PDFInfo
- Publication number
- CN105128779B CN105128779B CN201510560428.6A CN201510560428A CN105128779B CN 105128779 B CN105128779 B CN 105128779B CN 201510560428 A CN201510560428 A CN 201510560428A CN 105128779 B CN105128779 B CN 105128779B
- Authority
- CN
- China
- Prior art keywords
- resistance
- triode
- switch circuit
- connects
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The invention provides a load switching information collecting system for a vehicle body controller. The load switching information collecting system comprises a vehicle-mounted storage battery, a first microcontroller and a load switching information collecting circuit, and further comprises a first switching circuit, a second switching circuit and a second microcontroller. The control end of the first switching circuit is connected with the control voltage output end of the second microcontroller, the first end of the first switching circuit is connected with the control end of the second switching circuit and the positive electrode end of the vehicle-mounted storage battery, the second end of the first switching circuit is grounded, the first end of the second switching circuit is further connected with the positive electrode end of the vehicle-mounted storage battery, and the second end of the second switching circuit is connected with the control end of the load switching information collecting circuit. By means of the load switching information collecting circuit, the electric quantity consumption of the vehicle-mounted storage battery is reduced, and thus electric lack of the whole vehicle is reduced.
Description
Technical field
The present invention relates to technical field of automobile control, and in particular to a kind of car body controller load switch information gathering system
System.
Background technology
With the development of automotive electronic technology, the ratio more and more higher that auto electric module is occupied in integral vehicle cost makes
Control module is more and more, and some electric equipments must power for a long time for the memory function for keeping data, i.e., in vehicle
In static condition when, still can battery consumption electricity.The electricity of car body controller (hereinafter referred to as BCM) switching information collection at present
Road is as shown in figure 1, switching circuitry is hung under the normal electricity power supply of car load.Because the existing normal electricity condition of load of BCM controls has ON again
Electricity condition, is under normal electricity condition in car load, for the switching circuitry information that need not gather load, still can gather input electricity
Road voltage change, so inevitably battery consumption electricity, cause car load power shortage.Therefore, a low-power consumption automobile is designed
Controller switches information acquisition circuit is used for preventing battery over-discharge, is just particularly important.
The content of the invention
The invention provides a kind of car body controller load switch information acquisition system, to solve normal state under battery mistake
The problem of degree electric discharge.
To achieve these goals, the present invention provides following technical scheme：
A kind of car body controller load switch information acquisition system, including：Vehicular accumulator cell, the first microcontroller, load
Switching information Acquisition Circuit, the system also includes：First switch circuit, second switch circuit and the second microcontroller, it is described
The control end of first switch circuit connects the control voltage output end of second microcontroller, and the of the first switch circuit
One end connects the control end of the second switch circuit and the positive terminal of the Vehicular accumulator cell, the first switch circuit simultaneously
The second end ground connection, the first end of the second switch circuit is also connected with the positive terminal of the Vehicular accumulator cell, and described second opens
Second end on powered-down road connects the control end of the load switch information acquisition circuit；First microcontroller is used to gather negative
Load switch information；Second microcontroller is used to make control according to vehicle ignition key state and whole vehicle state；In igniting
When key is in ON shelves, the control voltage output end voltage is drawn high, the first switch circuit loop conducting；In firing key
In LOCK shelves when, the control voltage output end voltage is 0, and the first switch circuit loop disconnects.
Preferably, the first switch circuit includes the first triode, and the base stage of first triode connects the control
Voltage output end processed, the colelctor electrode of first triode connects the second switch circuit control end and the Vehicular accumulator cell
Positive terminal, the grounded emitter of first triode；First triode provides electricity for the control end of second switch circuit
Pressure, and control the second switch circuit turn-on.
Preferably, the first switch circuit also includes：4th resistance and the 5th resistance, the 4th resistance one end connection
The control voltage output end, the 4th resistance other end connects the base stage of first triode and described 5th electric simultaneously
Resistance one end, the 5th resistance other end ground connection；4th resistance and the base that the 5th resistance is first triode
Pole provides bias voltage, so that the base stage of first triode and emitter stage conducting.
Preferably, the resistance of the 4th resistance is 22k Ω, and the resistance of the 5th resistance is 33k Ω.
Preferably, the second switch circuit includes the second triode, the base stage connection described the of second triode
The first end of one on-off circuit, the emitter stage connection Vehicular accumulator cell positive terminal of second triode, the described 2nd 3
The collector terminal of pole pipe connects the control end of the load switch information acquisition circuit；Second triode is opened for the load
Close information acquisition circuit and power supply is provided.
Preferably, the second switch circuit also includes：6th resistance and the 7th resistance, the 6th resistance one end connection
The Vehicular accumulator cell positive terminal, the 6th resistance other end connects second transistor base and described 7th electric simultaneously
Resistance one end, the 7th resistance other end connects the colelctor electrode of first triode；6th resistance and described 7th electric
Hinder and provide voltage to the colelctor electrode of first triode, and the 6th resistance is provided to the base stage of second triode
Bias voltage.
Preferably, the resistance of the 6th resistance is 47k Ω, and the resistance of the 7th resistance is 10k Ω.
Preferably, the load switch information acquisition circuit includes：It is first resistor, second resistance, 3rd resistor, first electric
Container, diode and load switch, described first resistor one end connects the second end of the second switch circuit, and described first is electric
The resistance other end connects described diode one end and described second resistance one end simultaneously, and the diode other end connects described simultaneously
Load switch one end and described first capacitor one end, the load switch other end ground connection, the first capacitor other end
Ground connection, the second resistance other end connects the collection terminal of first microcontroller and described 3rd resistor one end, institute simultaneously
State 3rd resistor other end ground connection；The first resistor provides wet current as pull-up resistor for second switch circuit, and described
Two resistance and the 3rd resistor carry out partial pressure as divider resistance to the Vehicular accumulator cell positive pole terminal voltage, and described first is electric
Container is used to eliminate electrostatic and be filtered.
Preferably, it is characterised in that the resistance of the first resistor is 1k Ω, and the resistance of the second resistance is 100k
Ω, the resistance of the 3rd resistor is 100k Ω.
The beneficial effects of the present invention is：The invention provides a kind of car body controller load switch information acquisition system,
Load switch information acquisition circuit is controlled by first switch circuit and second switch circuit.Only when firing key is rotated to
First switch circuit turn-on during ON file locations, the first switch circuit controls second switch circuit turn-on, and next described the
Two on-off circuits control load switch information acquisition circuit to load switch information.So, when firing key does not revolve
When going to ON file locations, avoid the need for gathering load switch information, reduce accumulator electric-quantity consumption, and then reduce car load and lose
Electricity.
Description of the drawings
Fig. 1 is the car body controller switching information Acquisition Circuit of prior art.
Fig. 2 is the car body controller switching information Acquisition Circuit of the present invention.
It is R1, first resistor R2, second resistance R3,3rd resistor R4, the 4th resistance R5, the 5th resistance R6, the 6th electric
Resistance R7, the 7th resistance Q1, the first triode Q2, the second triode MCU1, the first microcontroller 2, the second microcontroller
Device C1, the first capacitor P, control voltage output end K of the second microcontroller, load switch
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Normal electricity condition：When firing key is not inserted into ignition lock, after opening the switch of some functions, the function can be normal
Work, as normal electricity condition.
ON electricity conditions：When firing key insertion firing key rotates to ON file locations, after opening the switch of some functions,
Some functions just can be with normal work, as ON electricity conditions.
Wake-up states：BCM control functions are wake-up states in normal operating conditions.
Resting state：Refer to that the institute of BCM controls is functional all not work at present, for example, when vehicle is positioned over garage, own
Function is in non-working condition, and in general, after romote controlled locking 2 minutes, BCM can enter resting state, BCM collection switch letters
The frequency of breath can be reduced.
As shown in Fig. 2 a kind of car body controller load switch information acquisition system provided for the present invention, including：It is vehicle-mounted
Battery, the first microcontroller, load switch information acquisition circuit, the system also includes：First switch circuit, second switch
Circuit and the second microcontroller, the control end of the first switch circuit connects the control voltage output of second microcontroller
End, the first end of the first switch circuit connects the control end of the second switch circuit and the Vehicular accumulator cell simultaneously
Positive terminal, the second end ground connection of the first switch circuit, the first end of the second switch circuit is also connected with the vehicle-mounted storage
The positive terminal of battery, the second end of the second switch circuit connects the control end of the load switch information acquisition circuit；Institute
The first microcontroller is stated for gathering load switch information；Second microcontroller be used for according to vehicle ignition key state and
Whole vehicle state makes control；When firing key is in ON shelves, the control voltage output end voltage is drawn high, the first switch
Circuit loop is turned on；When firing key is in LOCK shelves, the control voltage output end voltage is 0, the first switch electricity
Road loop disconnects.
Wherein, the first switch circuit includes the first triode, and the base stage of first triode connects the control
Voltage output end, the colelctor electrode connection second switch circuit control end of first triode and the Vehicular accumulator cell are just
Extremely, the grounded emitter of first triode；First triode provides voltage for the control end of second switch circuit,
And control the second switch circuit turn-on.
Further, the first switch circuit also includes：4th resistance and the 5th resistance, the 4th resistance one end connection
The control voltage output end, the 4th resistance other end connects the base stage of first triode and described 5th electric simultaneously
Resistance one end, the 5th resistance other end ground connection；4th resistance and the base that the 5th resistance is first triode
Pole provides bias voltage, so that the base stage of first triode and emitter stage conducting.The resistance of the 4th resistance R4 is 22k
The resistance of Ω, the 5th resistance R5 is 33k Ω.
Here, the negative control voltage input end connects the second microcontroller 2, for judging vehicle ignition key
State and whole vehicle state make control, if firing key is in ON shelves, control P point voltages draw high 5V, then whole loop conducting,
If igniting is LOCK shelves, it is 0 to control P point voltages, then whole loop is not turned on.In addition, second controller MCU2 is the one or three
Pole pipe Q1 provides base voltage.
Wherein, the second switch circuit includes the second triode, the base stage connection described first of second triode
The first end of on-off circuit, the emitter stage of second triode connects the Vehicular accumulator cell positive terminal, the two or three pole
The collector terminal of pipe connects the control end of the load switch information acquisition circuit；Second triode is the load switch
Information acquisition circuit provides power supply.
Further, the second switch circuit also includes：6th resistance and the 7th resistance, the 6th resistance one end connection
The Vehicular accumulator cell positive terminal, the 6th resistance other end connects second transistor base and described 7th electric simultaneously
Resistance one end, the 7th resistance other end connects the colelctor electrode of first triode；6th resistance and described 7th electric
Hinder and provide voltage to the colelctor electrode of first triode, and the 6th resistance is provided to the base stage of second triode
Bias voltage.The resistance of the 6th resistance R6 is 47k Ω, and the resistance of the 7th resistance R7 is 10k Ω.
Wherein, the load switch information acquisition circuit includes：First resistor, second resistance, 3rd resistor, the first electric capacity
Device, diode and load switch, described first resistor one end connects the second end of the second switch circuit, the first resistor
The other end connects described diode one end and described second resistance one end simultaneously, and the diode other end connects described negative simultaneously
Load switch one end and described first capacitor one end, load switch other end ground connection, another termination of first capacitor
Ground, the second resistance other end connects the collection terminal of first microcontroller and described 3rd resistor one end simultaneously, described
The 3rd resistor other end is grounded；The first resistor provides wet current as pull-up resistor for second switch circuit, and described second
Resistance and the 3rd resistor carry out partial pressure, first electric capacity as divider resistance to the Vehicular accumulator cell positive pole terminal voltage
Device is used to eliminate electrostatic and be filtered.The first resistor R1 resistance is 1k Ω, and the second resistance R2 resistance is 100k Ω,
The 3rd resistor R3 resistance is 100k Ω.The load switch information gathering end is connected with the first controller MCU1, for adopting
Integrate load switch state and function logic judges the diode as backward dioded, for ending external high voltage, protect car
Body controller internal circuit.
As shown in Fig. 2 when car load is in normal electricity condition, BCM is not required to gather load switch change information, then MCU2 controls
Control voltage output end P point is turned off, then the first triode Q1, the second triode Q2 are in cut-off state, first switch circuit,
Second switch circuit, load switch information acquisition circuit are in off-state.Therefore, when BCM is in often electricity resting state,
The load switch information acquisition circuit power supply is disconnected, then will not produce quiescent current power consumption.
As shown in Fig. 2 when car load is in ON electricity conditions, BCM need to gather load switch change information, and MCU2 will control electricity
Pressure output end P point conducting, then through the 4th resistance R4, the first triode Q1 returns to ground to electric current, forms the first loop A, and the one or three
Be present electric current in pole pipe Q1 base stage, emitter stage, then turn between the first triode Q1 collector and emitters, i.e. the first triode Q1
Conducting.
After turning between the first triode Q1 collector and emitters, second servo loop B passes through Vehicular accumulator cell positive pole Jing
Cross the 6th resistance R6, the 7th resistance R7, the first triode Q1 and form conducting loop, now, emitter stage, the base of the second triode Q2
Be present electric current in pole, then turn between the collector and emitter of the second triode Q2, i.e., tertiary circuit C-shaped is into conducting loop, car
Carry accumulator positive and extremely provide pull-up power supply to load switch information acquisition circuit, for the normal work of load switch information acquisition circuit
Act on the status information of collection load switch K.
Therefore, by the conducting of MCU2 control voltages output end P point control voltage whether, you can controlling switch information gathering
Circuit power, need not be acquired when car load is in normal electricity condition to switching signal, can cut off load switch information and adopt
The power supply of collector, can so save the electric quantity consumption of battery, and then reduce car load power shortage.
In another embodiment, the turn-on and turn-off of the control voltage output end P point control voltage of the second microcontroller 2
Dutycycle carrys out controlling switch information acquisition circuit power supply.When BCM is in wake-up working condition, control voltage output end P
The turn-on and turn-off dutycycle of point control voltage is control voltage output end P point in 10%, i.e. each collection period (100ms)
ON time 10ms, turn-off time 90ms；When BCM in a dormant state when, the control voltage output end P point control voltage
Turn-on and turn-off dutycycle is control voltage output end P point ON time 4ms in 4%, i.e. each collection period (100ms), is closed
Disconnected time 96ms.According to this duty cycle adjustment mode, the electric quantity consumption of battery can be saved, when car load is in normal electricity condition
Switching signal need not be acquired, the power supply of load switch information acquisition circuit can be cut off, can so save electric power storage
The electric quantity consumption in pond, and then reduce car load power shortage.
Particular embodiments described above, is further described to the purpose of the present invention, technical scheme, is answered
It is understood by, the foregoing is only the specific embodiment of the present invention, is not limited to the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of car body controller load switch information acquisition system, including：Vehicular accumulator cell, the first microcontroller, load are opened
Close information acquisition circuit, it is characterised in that the system also includes：First switch circuit, second switch circuit and the second micro-control
Device processed, the control end of the first switch circuit connects the control voltage output end of second microcontroller, and described first opens
The first end on powered-down road connects the control end of the second switch circuit and the positive terminal of the Vehicular accumulator cell simultaneously, and described the
The second end ground connection of one on-off circuit, the first end of the second switch circuit is also connected with the positive terminal of the Vehicular accumulator cell,
Second end of the second switch circuit connects the control end of the load switch information acquisition circuit；First microcontroller
For gathering load switch information；Second microcontroller is used to make control according to vehicle ignition key state and whole vehicle state
System；When firing key is in ON shelves, the control voltage output end voltage is drawn high, the first switch circuit loop conducting；
When firing key is in LOCK shelves, the control voltage output end voltage is 0, and the first switch circuit loop disconnects.
2. system according to claim 1, it is characterised in that the first switch circuit includes the first triode, described the
The base stage of one triode connects the control voltage output end, and the colelctor electrode of first triode connects the second switch electricity
Road control end and the Vehicular accumulator cell positive terminal, the grounded emitter of first triode；First triode is the
The control end of two on-off circuits provides voltage, and controls the second switch circuit turn-on.
3. system according to claim 2, it is characterised in that the first switch circuit also includes：4th resistance and the 5th
Resistance, described 4th resistance one end connects the control voltage output end, and the 4th resistance other end connects described the simultaneously
The base stage of one triode and described 5th resistance one end, the 5th resistance other end ground connection；4th resistance and described
Five resistance provide bias voltage for the base stage of first triode, so that the base stage and emitter stage of first triode are led
It is logical.
4. system according to claim 3, it is characterised in that the resistance of the 4th resistance is 22k Ω, the 5th resistance
Resistance be 33k Ω.
5. system according to claim 2, it is characterised in that the second switch circuit includes the second triode, described the
The base stage of two triodes connects the first end of the first switch circuit, and the emitter stage connection of second triode is described vehicle-mounted
Accumulator positive is extreme, and the collector terminal of second triode connects the control end of the load switch information acquisition circuit；Institute
State the second triode and provide power supply for the load switch information acquisition circuit.
6. system according to claim 5, it is characterised in that the second switch circuit also includes：6th resistance and the 7th
Resistance, described 6th resistance one end connects the Vehicular accumulator cell positive terminal, and the 6th resistance other end connects described simultaneously
Second transistor base and described 7th resistance one end, the 7th resistance other end connects the current collection of first triode
Pole；6th resistance and the 7th resistance provide voltage to the colelctor electrode of first triode, and described 6th electric
Hinder and provide bias voltage to the base stage of second triode.
7. system according to claim 6, it is characterised in that the resistance of the 6th resistance is 47k Ω, the 7th resistance
Resistance be 10k Ω.
8. system according to claim 1, it is characterised in that the load switch information acquisition circuit includes：First resistor,
Second resistance, 3rd resistor, the first capacitor, diode and load switch, first resistor one end connection described second is opened
Second end on powered-down road, the first resistor other end connects described diode one end and described second resistance one end, institute simultaneously
The diode other end is stated while connecting described load switch one end and described first capacitor one end, the load switch other end
Ground connection, the first capacitor other end ground connection, the second resistance other end connects adopting for first microcontroller simultaneously
Collection end and described 3rd resistor one end, the 3rd resistor other end ground connection；The first resistor is second as pull-up resistor
On-off circuit offer wet current, the second resistance and the 3rd resistor are as divider resistance to the Vehicular accumulator cell positive pole
Terminal voltage carries out partial pressure, and first capacitor is used to eliminate electrostatic and be filtered.
9. system according to claim 8, it is characterised in that the resistance of the first resistor is 1k Ω, the second resistance
Resistance be 100k Ω, the resistance of the 3rd resistor is 100k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560428.6A CN105128779B (en) | 2015-08-28 | 2015-08-28 | Load switching information collecting system for vehicle body controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560428.6A CN105128779B (en) | 2015-08-28 | 2015-08-28 | Load switching information collecting system for vehicle body controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105128779A CN105128779A (en) | 2015-12-09 |
| CN105128779B true CN105128779B (en) | 2017-05-10 |
Family
ID=54714491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510560428.6A Active CN105128779B (en) | 2015-08-28 | 2015-08-28 | Load switching information collecting system for vehicle body controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105128779B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487368A (en) * | 2016-09-13 | 2017-03-08 | 北京博纳电气股份有限公司 | High speed digital switches based on bipolar semiconductor triode |
| CN108134591A (en) * | 2018-03-12 | 2018-06-08 | 上海物麒科技有限公司 | A kind of reconfigurable filter |
| DE102019203111A1 (en) | 2019-03-07 | 2020-09-10 | Thyssenkrupp Ag | Motor vehicle control device with connection and disconnection function for at least one electrical consumer to be controlled by the motor vehicle control device |
| CN112162500A (en) * | 2020-08-24 | 2021-01-01 | 东风电驱动系统有限公司 | Switching signal processing method and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2336278B (en) * | 1994-11-09 | 1999-11-17 | Alps Electric Co Ltd | Multiplex communication system |
| CN201385627Y (en) * | 2009-04-09 | 2010-01-20 | 河北普华科技有限公司 | Vehicle-mounted power controller |
| CN102874190A (en) * | 2012-10-17 | 2013-01-16 | 厦门汉纳森汽车电子有限公司 | Intelligent management system and method of automobile power supply |
| CN203305934U (en) * | 2013-06-06 | 2013-11-27 | 山东天海科技股份有限公司 | Automotive body control module |
| CN104192081A (en) * | 2014-09-26 | 2014-12-10 | 重庆长安汽车股份有限公司 | Automobile load management control system and method |
| CN104260677A (en) * | 2014-09-18 | 2015-01-07 | 深圳市双赢伟业科技股份有限公司 | Vehicle power supply control circuit and car |
| CN104635520A (en) * | 2013-11-12 | 2015-05-20 | 重庆金美通信有限责任公司 | Power supply switch control circuit with power down delay function |
| CN104742825A (en) * | 2015-03-20 | 2015-07-01 | 山东省科学院自动化研究所 | Low-power-consumption automobile body controller and control method thereof |
-
2015
- 2015-08-28 CN CN201510560428.6A patent/CN105128779B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2336278B (en) * | 1994-11-09 | 1999-11-17 | Alps Electric Co Ltd | Multiplex communication system |
| CN201385627Y (en) * | 2009-04-09 | 2010-01-20 | 河北普华科技有限公司 | Vehicle-mounted power controller |
| CN102874190A (en) * | 2012-10-17 | 2013-01-16 | 厦门汉纳森汽车电子有限公司 | Intelligent management system and method of automobile power supply |
| CN203305934U (en) * | 2013-06-06 | 2013-11-27 | 山东天海科技股份有限公司 | Automotive body control module |
| CN104635520A (en) * | 2013-11-12 | 2015-05-20 | 重庆金美通信有限责任公司 | Power supply switch control circuit with power down delay function |
| CN104260677A (en) * | 2014-09-18 | 2015-01-07 | 深圳市双赢伟业科技股份有限公司 | Vehicle power supply control circuit and car |
| CN104192081A (en) * | 2014-09-26 | 2014-12-10 | 重庆长安汽车股份有限公司 | Automobile load management control system and method |
| CN104742825A (en) * | 2015-03-20 | 2015-07-01 | 山东省科学院自动化研究所 | Low-power-consumption automobile body controller and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105128779A (en) | 2015-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105128779B (en) | Load switching information collecting system for vehicle body controller | |
| CN102361332B (en) | Wake-up device for main power supply | |
| CN104742825B (en) | A kind of low-power consumption car body controller and control method thereof | |
| CN108288735B (en) | Power source wake-up control circuit of electric automobile | |
| CN108556669B (en) | Vehicle-mounted charger and control device thereof | |
| CN115837861A (en) | BMS sleep wake-up circuit, method, BMS and electric equipment | |
| CN111969577A (en) | Low-power-consumption reverse connection protection circuit for vehicle and control method thereof | |
| CN110525248B (en) | Electric automobile charging connection awakens up detection device | |
| CN100451906C (en) | CPU electric supply circuit of automobile sound equipment | |
| CN203022946U (en) | Automobile start control circuit | |
| CN215244367U (en) | CC (communication center) awakening circuit of electric automobile | |
| CN208673097U (en) | Automobile charge and discharge vehicle-mounted control terminal | |
| CN208571695U (en) | Power supply circuit, the vehicle-carried mobile payment devices of vehicle-carried mobile payment devices | |
| CN203186118U (en) | Automatic power-off controller | |
| CN108919728B (en) | Control circuit | |
| CN202710982U (en) | Automobile safety device | |
| CN208369236U (en) | A kind of Overdischarge protection device for storage battery and automobile | |
| CN106523241A (en) | Detection circuit of retrofiring state of automobile | |
| CN217984834U (en) | Power supply circuit with dormancy awakening function and PTC heating control system | |
| CN206309521U (en) | A kind of detection circuit of automotive ignition launch state | |
| CN109398475A (en) | A kind of anti-crash protection circuit | |
| CN213817727U (en) | Key-press self-locking circuit | |
| CN110682872A (en) | Automobile wake-up circuit and working method | |
| CN212709048U (en) | Wake-up and dormancy circuit of AC charging CP signal | |
| CN217543703U (en) | Multi-path intelligent fuse control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |