CN109874210A - It drives a vehicle between a kind of electric vehicle daytime lamp control system and method - Google Patents

It drives a vehicle between a kind of electric vehicle daytime lamp control system and method Download PDF

Info

Publication number
CN109874210A
CN109874210A CN201910150445.0A CN201910150445A CN109874210A CN 109874210 A CN109874210 A CN 109874210A CN 201910150445 A CN201910150445 A CN 201910150445A CN 109874210 A CN109874210 A CN 109874210A
Authority
CN
China
Prior art keywords
lamp
daytime
signal
vehicle
driving
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.)
Pending
Application number
CN201910150445.0A
Other languages
Chinese (zh)
Inventor
韩鸣
李仁杰
王定江
赵涛
陈路生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANG'AN KUAYUE VEHICLE Co Ltd CHONGQIONG
Original Assignee
CHANG'AN KUAYUE VEHICLE Co Ltd CHONGQIONG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHANG'AN KUAYUE VEHICLE Co Ltd CHONGQIONG filed Critical CHANG'AN KUAYUE VEHICLE Co Ltd CHONGQIONG
Priority to CN201910150445.0A priority Critical patent/CN109874210A/en
Publication of CN109874210A publication Critical patent/CN109874210A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses lamp control system and the control methods of driving a vehicle between a kind of electric vehicle daytime, and lamp control system of driving a vehicle between the electric vehicle daytime includes control unit, relay circuit;The input terminal connection auto lamp control output switching terminal and vehicle condition signal output end of control unit, the output end of control unit connect relay circuit, driving lamp between the output end connection daytime of relay circuit;Described control unit includes controller, the first output control terminal and input port;The input port includes lamp control switch input terminal and vehicle condition signal input part, and lamp control switch input terminal and vehicle condition signal input part are separately connected auto lamp control output switching terminal and vehicle condition signal output end;The controller connection input port and the first output control terminal;First output control terminal connects relay circuit.The present invention can automatically turn on driving lamp between daytime by receiving vehicle condition and lamp control signal.

Description

It drives a vehicle between a kind of electric vehicle daytime lamp control system and method
Technical field
The present invention relates to automotive fields, and in particular to drive a vehicle between a kind of electric vehicle daytime lamp control system and method.
Background technique
It drives a vehicle between the daytime of fuel vehicle lamp control system, passes through the tach signal that speed probe acquires fuel engines, inspection The tach signal is surveyed, driving lamp between daytime is opened if tach signal reaches requirement.And pure electric vehicle does not have the engine of fuel vehicle, Engine speed can not be detected by speed probe, tach signal is caused to lack, so that current fuel vehicle both at home and abroad used Lamp control system of driving a vehicle between daytime is unable to satisfy pure electric vehicle demand for control, and when automobile starting, driving lamp cannot be automatically turned between daytime.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, provides drive a vehicle between a kind of electric vehicle daytime lamp control system and side Method realizes the control between driving lamp daytime.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
It drives a vehicle between a kind of electric vehicle daytime lamp control system, comprising: control unit, relay circuit;The input of control unit The output end of end connection auto lamp control output switching terminal and vehicle condition signal output end, control unit connects relay circuit, Driving lamp between the output end connection daytime of relay circuit;
Described control unit includes controller, the first output control terminal and input port;The input port includes lamp control Switch input terminal and vehicle condition signal input part, lamp control switch input terminal and vehicle condition signal input part are separately connected automobile Lamp control switch output end and vehicle condition signal output end;The controller connection input port and the first output control terminal;Institute State the first output control terminal connection relay circuit.The lamp control switch input terminal and vehicle condition signal input part of input port connect Corresponding signal is received, controls the start and stop that controller output port output controls lamp between signal control daytime according to signal is received.
Preferably, the lamp control switch input terminal collects the lamp control switch signal of lamp control switch output end output, between daytime Driving lamp is used as position lamp.
Preferably, the lamp control switch input port does not collect corresponding lamp control switch signal, and vehicle condition signal is defeated Enter the vehicle condition signal that end collects the output of vehicle condition signal output end, then driving lamp is opened between daytime, is driven a vehicle as between daytime Lamp uses.
Preferably, lamp control switch input terminal includes non-dazzling light signal port, upperbeam signal port, fog lamp signal end Mouth, lampet signal port, parking brake signals port;Vehicle condition signal input part includes parking brake signals port and preparation Ready signal port.
Preferably, lamp control system of driving a vehicle between the electric vehicle daytime further includes power supply and voltage regulator circuit;Power supply is separately connected Relay circuit and voltage regulator circuit, the power supply is used for as relay circuit, voltage regulator circuit and driving lamp provides electric energy between daytime; The input terminal of the voltage regulator circuit connects power supply, the power input of the output end connection control unit of voltage regulator circuit.
Preferably, the relay circuit includes relay, diode and switching circuit.
Preferably, the switching circuit is NPN triode.
Preferably, control unit also the second output control terminal;The output end of power supply be separately connected diode anode and after The normally opened contact of electric appliance, the input terminal of the cathode connection voltage regulator circuit of diode and one end of relay coil, relay coil The other end connection NPN triode collector, NPN triode base stage connection controller the first output control terminal, NPN tri- The emitter of pole pipe is grounded, driving lamp between the contact common end connection daytime of relay, and the normally-closed contact connection control of relay is single Second output control terminal of member.
It drives a vehicle between a kind of daytime lamp control method, comprising the following steps:
S1: judge whether input port collects lamp control switch signal;
Control unit judges whether input port collects lamp control switch signal, if collecting lamp control switch signal, holds Row step S4;Conversely, thening follow the steps S2;
S2: judge whether input port collects and prepare signal in place;
Judge whether input port collects and prepare signal in place, i.e., " ready signal ", if input port collects preparation Signal in place, thens follow the steps S3;Conversely, executing step S1;
S3: judge whether input port collects brake signal;
Judge whether input port collects brake signal, if input port collects brake signal, thens follow the steps S5; Conversely, executing step S1;
S4: driving lamp does position lamp use between daytime;
S5: driving lamp is opened between daytime, and driving lamp uses between doing daytime.
Preferably, further include that step S6, step S2 and step S3 do not acquire corresponding signal, then follow the steps S6, step S6 It is finished and executes step S1 again;
Step S6 prompts vehicle condition abnormal.
Compared with prior art, beneficial effects of the present invention:
1, by detection vehicle condition, the start and stop of driving lamp between daytime are controlled, and pass through the collected class signal of input port Type determines function of driving lamp between daytime, i.e., driving lamp makees driving lamp or position lamp use between daytime between daytime.
2, driving lamp makees position lamp in use, passing through the brightness of the current regulation lamp of driving lamp between adjusting daytime, difference between daytime The use state of driving lamp between position lamp and daytime, or distinguish the position lamp under different function.
Detailed description of the invention:
Driving lamp Control system architecture block diagram between the electric vehicle daytime that Fig. 1 is exemplary embodiment of the present 1;
Driving lamp control system circuit figure between the electric vehicle daytime that Fig. 2 is exemplary embodiment of the present 1;
Driving lamp control method flow chart between the daytime that Fig. 3 is exemplary embodiment of the present 2.
Marked in the figure: 1- control unit, 1.1- input port, 1.1.1- non-dazzling light signal port, 1.1.2- headlight are remote Optical signal port, 1.1.3-READY signal port, 1.1.4- fog lamp signal port, 1.1.5- parking brake signals port, 1.1.6- lampet signal port, 2- relay circuit, 2.1- coil, 2.2- normally-closed contact, 2.3- contact common end, 3- pressure stabilizing electricity Road.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments The range of invention.
Embodiment 1
As shown in Figure 1 or 2, the present embodiment provides lamp control system, including the control units 1 of driving a vehicle between a kind of electric vehicle daytime With relay circuit 2;The input terminal connection auto lamp control output switching terminal and vehicle condition signal output end of control unit 1, control The output end of unit 1 processed connects relay circuit, driving lamp between the output end connection daytime of relay circuit;Control unit acquires lamp Control switching signal and vehicle condition signal, on-off of the control unit according to the signal control relay circuit of acquisition, relay The start and stop of driving lamp between the on-off control daytime of circuit.
Described control unit 1 includes controller, the first output control terminal and input port 1.1;The input port 1.1 wraps Lamp control switch input terminal and vehicle condition signal input part are included, lamp control switch input terminal and vehicle condition signal input part connect respectively Auto lamp control output switching terminal and vehicle condition signal output end are connect, for acquiring corresponding lamp control switch signal and automobile shape State signal;The controller connection input port 1.1 and the first output control terminal, the signal for being acquired according to input port, Control the first output control terminal output control signal;First output control terminal connects relay circuit, for exporting control Signal passes through the conducting of control relay circuit coil, the on-off of control relay circuit.
If lamp control switch input terminal collects the lamp control switch signal of lamp control switch output end output, driving lamp conduct between daytime Position lamp uses;If input port does not collect corresponding lamp control switch signal, and vehicle condition signal input part collects automobile The vehicle condition signal of status signal output output, then driving lamp is opened between daytime, is used as driving lamp between daytime.
The lamp control switch input terminal includes non-dazzling light signal port 1.1.1, upperbeam signal port 1.1.2, mist Modulating signal port 1.1.4, lampet signal port 1.1.6, parking brake signals port 1.1.5;Vehicle condition signal input part packet Include the standby ready signal port end READY 1.1.3 and parking brake signals port 1.1.5.
Non-dazzling light signal port 1.1.1, upperbeam signal port 1.1.2, fog lamp signal 1.1.4, lampet signal end Mouthful 1.1.6 and parking brake signals port 1.1.5 is for acquiring corresponding lamp control switch signal (i.e. non-dazzling light signal, big Lamp distance light signal, fog lamp signal, small modulating signal and parking brake signals etc.), controller is opened according to the corresponding lamp control of acquisition Driving lamp is opened between OFF signal controls daytime, and driving lamp is used as position lamp between daytime at this time.
Preferably, driving lamp does position lamp in use, can adjust by the input current of driving lamp between adjusting daytime between daytime The brightness of driving lamp between daytime.Control unit further includes the second output control terminal, the normally closed touching of the second output control terminal and relay Electricity 2.2 connects, and the contact common end 2.3 of relay connects driving lamp between daytime.Driving lamp does position lamp in use, relay between daytime In normally-closed circuit, the normally closed electric shock 2.2 of relay is connect with the contact common end 2.3 of relay, and controller passes through relay Normally closed electric shock 2.2 power to lamp between daytime, i.e., control unit provides power supply for normally-closed circuit, by adjusting the output of control unit Electric current, changes the brightness of driving lamp between daytime, to distinguish the use state of driving lamp between position lamp and daytime, or distinguishes different function Under position lamp.
Preferably, control unit adjusts the output electric current of control unit using pwm pulse width modulation technology.Pass through tune PWM duty cycle is saved, changes the output electric current of control unit, and then adjust the brightness of driving lamp between daytime.
Preferably, DC current conversion circuit can also be used, the input terminal of the DC current conversion circuit connects control Second output control terminal of unit processed, the normally closed electric shock 2.2 of the output end connection relay of DC current conversion circuit.By straight Flow the output electric current of current converter circuit regulation unit.
Standby ready signal the port end READY 1.1.3 and parking brake signals port 1.1.5 are for acquiring vehicle condition letter Number, if input port does not collect corresponding lamp control switch signal, and controller successively detects standby ready signal port READY End 1.1.3 and parking brake signals port 1.1.5 collects corresponding vehicle condition signal, then driving lamp is opened between controller control daytime It opens, driving lamp is used as driving lamp between daytime between daytime at this time;If collecting corresponding lamp control switch signal, driving lamp is still made between daytime For position lamp use.
Lamp control system of driving a vehicle between the electric vehicle daytime further includes power supply and voltage regulator circuit 3.
The power supply is 12V DC power supply, and power supply is separately connected relay circuit 2 and voltage regulator circuit 3, and the power supply is used for For relay circuit 2, voltage regulator circuit 3 and driving lamp provides electric energy between daytime;The input terminal of the voltage regulator circuit connects power supply, surely The power input of the output end connection control unit of volt circuit, the voltage regulator circuit are used to convert the 12V DC electricity of power supply For the direct current of 5V, the direct current of the 5V is used to provide electric energy to control unit.Selected voltage regulator circuit can be existing string Connection type voltage regulator circuit, switching mode voltage regulator circuit and linear Integrated voltage regulator circuit.
The relay circuit includes relay, diode and switching circuit;The switching circuit is NPN triode; The output end of power supply is separately connected the anode of diode and the normally opened contact of relay, the cathode connection voltage regulator circuit of diode One end of input terminal and relay coil 2.1, the collector of the other end connection NPN triode of relay coil 2.1, NPN tri- First output control terminal of the base stage connection controller of pole pipe, the emitter ground connection of NPN triode, the contact common end of relay Driving lamp between 2.3 connection daytimes, the normally-closed contact 2.2 of relay connect the second output control terminal of control unit.Driving lamp between daytime Starting, driving lamp is in use, the first output control terminal of controller exports high level between doing daytime, and NPN triode is connected at this time, electricity Power supply outflow is flowed through, followed by diode, the coil 2.1 of relay and NPN triode, returns to ground wire;Diode is used for The electric current of relay circuit is prevented to be reverse flowed to power supply one end;Relay tip common end and normally-closed contact 2.2 disconnect at this time, often It opens contact to connect with contact common end 2.3, power supply driving lamp between daytime is powered, and driving lamp starts between daytime.Conversely, if controller First output control terminal does not export high level, i.e. the first output control terminal output low level or non-output signal of controller, then NPN triode does not turn on, and the coil no current of relay passes through, and relay tip common end is connect with normally-closed contact 2.2, at this time Driving lamp is used not as lamp between daytime between daytime.
When for driving lamp as position lamp in use, triode does not turn on, relay is in normally-closed circuit, i.e. relay between daytime Normally closed electric shock 2.2 connect with the contact common end 2.3 of relay, the second output control terminal of control unit exports electric current, gives Driving lamp provides power supply between daytime, and the size of electric current is exported by adjusting the second output control terminal, adjusts the brightness of driving lamp between daytime, To realize difference of the driving lamp as lamp between position lamp and daytime between daytime.
Embodiment 2
As shown in figure 3, driving lamp controls between the daytime the present embodiment provides lamp control method of driving a vehicle between a kind of electric vehicle daytime Method depends on driving lamp control system between electric vehicle daytime described in embodiment 1 to realize.
It drives a vehicle between electric vehicle daytime lamp control method, comprising the following steps:
S1: judge whether input port collects lamp control switch signal;
After automobile starting, control unit judge input port whether collect lamp control switch signal (i.e. non-dazzling light signal, Upperbeam signal, fog lamp signal, small modulating signal and parking signal etc.), if collecting lamp control switch signal, then follow the steps S4;Conversely, thening follow the steps S2.
S2: judge whether input port collects and prepare signal in place;
Judge whether input port collects and prepares signal in place, i.e., " ready signal ", if vehicle is ready, input Port processing thens follow the steps S3 to signal in place is prepared;Conversely, executing step S1, input port resurveys signal.
S3: judge whether input port collects brake signal;
Judge whether input port collects brake signal, if parking brake is decontroled, input port collects brake signal, then holds Row step S5;Conversely, executing step S1, input port resurveys signal.
S4: driving lamp does position lamp use between daytime;
Driving lamp realizes that (i.e. driving lamp realizes non-dazzling light, upperbeam, mist to corresponding lamp control function at this time between daytime between daytime Lamp, lampet and parking function), do position lamp use.
S5: driving lamp is opened between daytime, and driving lamp uses between doing daytime;
Driving lamp is opened between daytime at this time, realizes function of driving lamp between daytime, and driving lamp uses between doing daytime.
Lamp control method of driving a vehicle between the daytime further includes that step S6, step S2 and step S3 do not acquire corresponding signal, then holds Row step S6, step S6 is finished, then executes step S1, i.e. input port resurveys signal.
S6: prompt vehicle condition is abnormal;
After user starts vehicle, step S2, which should be able to be collected, prepares signal " ready signal " in place, if step S2 is not at this time It collects and prepares signal " ready signal " in place, then vehicle condition is abnormal, abnormal at " ready " prompt of instrument at this time Display reminds user's vehicle condition abnormal;Similar, after step S3 parking brake is decontroled, brake signal should be able to be collected, if at this time Step S3 does not collect brake signal, then vehicle condition is abnormal, does not show normally at " braking " prompt of instrument at this time, reminds User's vehicle condition is abnormal.
The above, the only detailed description of the specific embodiment of the invention, rather than limitation of the present invention.The relevant technologies The technical staff in field is not in the case where departing from principle and range of the invention, various replacements, modification and the improvement made It should all be included in the protection scope of the present invention.

Claims (10)

1. lamp control system of driving a vehicle between a kind of electric vehicle daytime characterized by comprising control unit, relay circuit;Control is single The input terminal connection auto lamp control output switching terminal and vehicle condition signal output end of member, the output end of control unit connect relay Device circuit, driving lamp between the output end connection daytime of relay circuit;
Described control unit includes controller, the first output control terminal and input port;The input port includes lamp control switch Input terminal and vehicle condition signal input part, lamp control switch input terminal and vehicle condition signal input part are separately connected auto lamp control Output switching terminal and vehicle condition signal output end;The controller connection input port and the first output control terminal;Described One output control terminal connects relay circuit.
2. lamp control system of driving a vehicle between electric vehicle daytime according to claim 1, which is characterized in that the lamp control switch input End collects the lamp control switch signal of lamp control switch output end output, and driving lamp is used as position lamp between daytime.
3. lamp control system of driving a vehicle between electric vehicle daytime according to claim 1, which is characterized in that the lamp control switch input Port does not collect corresponding lamp control switch signal, and vehicle condition signal input part collects the output of vehicle condition signal output end Vehicle condition signal, then between daytime driving lamp open, used as driving lamp between daytime.
4. lamp control system of driving a vehicle between electric vehicle daytime according to claim 1, which is characterized in that lamp control switch input terminal packet Include non-dazzling light signal port, upperbeam signal port, fog lamp signal port, lampet signal port, parking brake signals end Mouthful;Vehicle condition signal input part includes parking brake signals port and standby ready signal port.
5. lamp control system of driving a vehicle between electric vehicle daytime according to claim 1, which is characterized in that row between the electric vehicle daytime Car lamp control system further includes power supply and voltage regulator circuit;Power supply is separately connected relay circuit and voltage regulator circuit, and the power supply is used In for relay circuit, voltage regulator circuit and driving lamp provides electric energy between daytime;The input terminal of the voltage regulator circuit connects power supply, surely The power input of the output end connection control unit of volt circuit.
6. lamp control system of driving a vehicle between electric vehicle daytime according to claim 5, which is characterized in that the relay circuit packet Include relay, diode and switching circuit.
7. lamp control system of driving a vehicle between electric vehicle daytime according to claim 6, which is characterized in that the switching circuit is NPN triode.
8. lamp control system of driving a vehicle between electric vehicle daytime according to claim 7, which is characterized in that control unit also second is defeated Control terminal out;The output end of power supply is separately connected the anode of diode and the normally opened contact of relay, the cathode connection of diode The input terminal of voltage regulator circuit and one end of relay coil, the collector of the other end connection NPN triode of relay coil, First output control terminal of the base stage connection controller of NPN triode, the emitter ground connection of NPN triode, the contact of relay Common end connects driving lamp between daytime, the second output control terminal of the normally-closed contact connection control unit of relay.
9. lamp control method of driving a vehicle between a kind of electric vehicle daytime, which comprises the following steps:
S1: judge whether input port collects lamp control switch signal;
Control unit judges whether input port collects lamp control switch signal, if collecting lamp control switch signal, executes step Rapid S4;Conversely, thening follow the steps S2;
S2: judge whether input port collects and prepare signal in place;
Judge whether input port collects and prepare signal in place, i.e., " ready signal ", if input port collects preparation in place Signal thens follow the steps S3;Conversely, executing step S1;
S3: judge whether input port collects brake signal;
Judge whether input port collects brake signal, if input port collects brake signal, thens follow the steps S5;Instead It, executes step S1;
S4: driving lamp does position lamp use between daytime;
S5: driving lamp is opened between daytime, and driving lamp uses between doing daytime.
10. lamp control method of driving a vehicle between electric vehicle daytime according to claim 8, which is characterized in that it further include step S6, step Rapid S2 and step S3 does not acquire corresponding signal, thens follow the steps S6, step S6 is finished executes step S1 again;
Step S6 prompts vehicle condition abnormal.
CN201910150445.0A 2019-02-28 2019-02-28 It drives a vehicle between a kind of electric vehicle daytime lamp control system and method Pending CN109874210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910150445.0A CN109874210A (en) 2019-02-28 2019-02-28 It drives a vehicle between a kind of electric vehicle daytime lamp control system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910150445.0A CN109874210A (en) 2019-02-28 2019-02-28 It drives a vehicle between a kind of electric vehicle daytime lamp control system and method

Publications (1)

Publication Number Publication Date
CN109874210A true CN109874210A (en) 2019-06-11

Family

ID=66919522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910150445.0A Pending CN109874210A (en) 2019-02-28 2019-02-28 It drives a vehicle between a kind of electric vehicle daytime lamp control system and method

Country Status (1)

Country Link
CN (1) CN109874210A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202480964U (en) * 2012-03-06 2012-10-10 重庆长安跨越车辆有限公司 Day driving lamp controller
CN206686410U (en) * 2017-04-27 2017-11-28 安徽江淮汽车集团股份有限公司 A kind of automobile daytime driving lamp drive circuit
CN209949503U (en) * 2019-02-28 2020-01-14 重庆长安跨越车辆有限公司 Electric motor car daytime driving lamp control system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202480964U (en) * 2012-03-06 2012-10-10 重庆长安跨越车辆有限公司 Day driving lamp controller
CN206686410U (en) * 2017-04-27 2017-11-28 安徽江淮汽车集团股份有限公司 A kind of automobile daytime driving lamp drive circuit
CN209949503U (en) * 2019-02-28 2020-01-14 重庆长安跨越车辆有限公司 Electric motor car daytime driving lamp control system

Similar Documents

Publication Publication Date Title
CA2792310C (en) Electronic control unit
US9533578B2 (en) Electronic control unit
CN204068363U (en) For two storage battery power supply circuit of start and stop technology
CN101823459B (en) Flash-type brake lamp controller with fault warning function
CN208502991U (en) A kind of vacuum pump system
CN209949503U (en) Electric motor car daytime driving lamp control system
CN109677276A (en) A kind of mixed excitation electric machine controller with distance increasing unit control function
CN108569212A (en) A kind of fault diagnosis reponse system of automobile LED car light
CN202345414U (en) Automobile electronic combination instrument matched with engine conforming China stage-4 emission standard
CN109874210A (en) It drives a vehicle between a kind of electric vehicle daytime lamp control system and method
CN104237702A (en) Automobile bonding point detecting device and automobile bonding point detecting method
CN201570444U (en) Main contactor energy-saving circuit with wide-range voltage input
CN112498272B (en) Alarm lamp diagnostic circuit and motormeter
CN111489671B (en) Self-checking circuit for vehicle-mounted LVDS signal output
CN112431783B (en) Double-speed fan abnormity diagnosis system and diagnosis method thereof
CN109061449A (en) A kind of AUTOMOTIVE RELAY intelligent checking system and its detection method
CN109640449A (en) A kind of gear indicator lamp brightness automatic control circuit based on sunlight sensor
CN209070343U (en) A kind of new-energy automotive air-conditioning compressor electric motor driver based on position sensorless
CN204641616U (en) A kind of automobile mode of operation identifies automatically, car electrics automatic control device
CN209552872U (en) Automobile air conditioning control device, system and electric car
CN208057249U (en) Vehicle detection data operation conversion processing circuit
CN209037564U (en) A kind of low constant speed intelligence control system of locomotive
CN220754659U (en) PFC circuit and household appliance
CN109149714A (en) A kind of charging controller device and method
CN109699103A (en) A kind of gear indicator lamp brightness automatic control circuit interacted with Vehicle Controller

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination