CN207033143U - The control circuit of motorcar electric tailgate door-lock motor - Google Patents
The control circuit of motorcar electric tailgate door-lock motor Download PDFInfo
- Publication number
- CN207033143U CN207033143U CN201720872520.0U CN201720872520U CN207033143U CN 207033143 U CN207033143 U CN 207033143U CN 201720872520 U CN201720872520 U CN 201720872520U CN 207033143 U CN207033143 U CN 207033143U
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- CN
- China
- Prior art keywords
- tailgate
- door
- motor
- lock
- driver element
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of control circuit of motorcar electric tailgate door-lock motor; including tailgate control unit; the first protection to error-polarity connection of power supply switch, second source protection to error-polarity connection switch, tailgate driver element and the door lock driver element electrically connected respectively with tailgate control unit; tailgate driver element is switched by the first protection to error-polarity connection of power supply to be connected with power supply; first protection to error-polarity connection of power supply switchs powers for break-make to tailgate driver element, and tailgate driver element is used to controlling the beating of tailgate, closes and speed；Door lock driver element is switched by second source protection to error-polarity connection to be connected with power supply, and second source protection to error-polarity connection switchs powers for break-make to door lock driver element, and door lock driver element is used for opening and closing for door lock.The utility model control circuit does not interfere with the control of tailgate motor, door-lock motor in electric back door system exception, improves the security of automobile back door system.
Description
Technical field
The utility model belongs to field of automobile electronic control, and in particular to a kind of control of motorcar electric tailgate door-lock motor
Circuit.
Background technology
With the progress of automotive field technology and the raising of operation comfort demand, the tailgate of many automobiles has upgraded to
Electric back door, user input order, vapour by operating remote control switch or electric back door Operation switch to automobile back door control unit
Automatically automobile back door is controlled to open or close by motor after the reception order of car tailgate control unit.
Motorcar electric tailgate system mainly includes tailgate control unit, tailgate driver element and locked from adhesive, some vehicles
Anti-pinch adhesive tape and kicking sensor etc. are also equipped with electric back door system.In order to improve the security of electric back door system,
When detecting tailgate system exception during tailgate electric operation, tailgate control unit can control tailgate motor and door lock
Motor is out of service.But motorcar electric tailgate system in the market drives the control of single cloud and door lock to exist on tailgate
One problem：Tailgate control unit can cut off the control loop of tailgate motor and door-lock motor simultaneously, and door lock also will be unable to
Electronic to lock, can not thoroughly be locked because of tailgate causes the generation of car owner's property loss or other accidents.
The content of the invention
The purpose of this utility model is for overcome the deficiencies in the prior art, there is provided a kind of motorcar electric tailgate door-lock motor
Control circuit, the control circuit do not interfere with the control of tailgate motor, door-lock motor in electric back door system exception, improve vapour
The security of car tailgate system.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of control circuit of motorcar electric tailgate door-lock motor, it is characterised in that：Including tailgate control unit, respectively with
The first protection to error-polarity connection of power supply switch of tailgate control unit electrical connection, second source protection to error-polarity connection switch, tailgate are driven
Moving cell and door lock driver element, the tailgate driver element is switched by the first protection to error-polarity connection of power supply to be connected with power supply,
First protection to error-polarity connection of power supply switchs powers for break-make to tailgate driver element, and the tailgate driver element is used to control
Tailgate motor driving tailgate processed opens or closes, and the tailgate driver element includes tailgate motor and the control of tailgate motor is returned
Road, the control loop of the tailgate motor are used for the forward and backward and velocity magnitude for controlling tailgate motor；The door lock driver element
Switched by second source protection to error-polarity connection and be connected with power supply, the second source protection to error-polarity connection switch for break-make to
Door lock driver element is powered, and the door lock driver element is used to control door-lock motor driving gate locking to lock or unlock, the door lock
Driver element includes door-lock motor, door interlock switch, the control loop of door-lock motor, and the control loop of the door-lock motor is used to control
Door-lock motor processed is opened, stopped.
The tailgate control unit includes MCU controllers, door interlock switch detection circuit, circuit for controlling motor, the door lock
The lock body status signal that switch detection circuit is used to detect door interlock switch passes to MCU controllers, and the MCU controllers pass through
LIN buses or CAN communicate with car body controller, for obtaining the car status information of car body controller；The MCU module
The car status information received, switch state signal are subjected to logic judgment, output pulse width modulated signal gives motor control electricity
Road, the door lock locking or unblock of door lock driver element, and control tailgate driver element dragging tailgate is controlled to play on or off respectively
Close.
The control loop of the tailgate motor includes current detection circuit, FET, two relays, the electric current inspection
The current signal that slowdown monitoring circuit is used to detect tailgate motor passes to MCU, and the FET FET is used for the speed for controlling tailgate motor
Degree, described two relays are used for the forward and backward for controlling tailgate motor.
First protection to error-polarity connection of power supply switch and second source protection to error-polarity connection switch be respectively adopted relay,
Power supply chip, FET or triode.
Also include warning device control circuit, the warning device control circuit electrically connects with tailgate control unit, described
Tailgate control unit exports alarm control signal and gives warning device control circuit.
Also include anti-pinch sensor, the tailgate control unit is connected with anti-pinch sensor, in opening and closing of back door or closing
During, whether being turned on and off in path of anti-pinch sensor detection tailgate has object to clamp, if so, the tailgate control
The tailgate motor forward and backward of unit control tailgate driver element processed.
The beneficial effects of the utility model：
A kind of control circuit of motorcar electric tailgate door-lock motor, including tailgate control unit, controlled respectively with tailgate single
The first protection to error-polarity connection of power supply switch, second source protection to error-polarity connection switch, tailgate driver element and the door of member electrical connection
Driver element is locked, the tailgate driver element is switched by the first protection to error-polarity connection of power supply to be connected with power supply, first electricity
Source polarity reverse connecting protection switchs powers for break-make to tailgate driver element；The door lock driver element passes through second source polarity
Reverse connecting protection switch is connected with power supply, and the second source protection to error-polarity connection switchs to be supplied for break-make to door lock driver element
Electricity.Tailgate driver element and door lock driver element are powered break-make respectively by two protection to error-polarity connection of power supply switches, when
There is abnormal conditions, the confession of tailgate driver element and door lock driver element in tailgate driver element and door lock driver element any of which
Electricity is independent of each other, and tailgate is locked when ensure that tailgate driver element exception, so as to avoid car owner's property loss or other things
Therefore generation.
The tailgate control unit includes MCU controllers, door interlock switch detection circuit, circuit for controlling motor, the switch
Detect electric circuit inspection tailgate controlling switch switch state signal, judge tailgate controlling switch whether short circuit, pass through switch detection
Circuit detects to the validity of switching signal, prevents from, because tailgate Operation switch short circuit causes tailgate to malfunction, improving the back of the body
Security, the reliability of door operation.
First protection to error-polarity connection of power supply switch, second source protection to error-polarity connection switch using be relay,
Power supply chip, FET or triode, the protection to error-polarity connection of power supply switch is more using power supply chip function, but price is high.Institute
It is low using relay cost to state protection to error-polarity connection of power supply switch, the protection to error-polarity connection of power supply switch is noiseless using FET,
But cost is high.The protection to error-polarity connection of power supply switch is low using triode cost, but resistance to current value is not high.
Brief description of the drawings
Fig. 1 is the theory diagram of utility model control circuit；
Fig. 2 is the circuit diagram of current detection circuit.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Fig. 2, a kind of control circuit of motorcar electric tailgate door-lock motor, including tailgate control unit,
The first protection to error-polarity connection of power supply electrically connected respectively with tailgate control unit switchs, second source protection to error-polarity connection switchs,
Tailgate driver element and door lock driver element, the body of a motor car storage battery are power supply, for for motorcar electric tailgate door-lock motor
Control circuit power supply, first protection to error-polarity connection of power supply switch and second source protection to error-polarity connection switch are respectively adopted
One of relay, power supply chip, FET or triode.The tailgate driver element is opened by the first protection to error-polarity connection of power supply
Pass is connected with power supply, and first protection to error-polarity connection of power supply switchs powers for break-make to tailgate driver element, the tailgate
Driver element is used to control tailgate motor driving tailgate to open or close, and the tailgate driver element includes tailgate motor and tailgate
The control loop of motor, the control loop of the tailgate motor is used for the forward and backward and velocity magnitude for controlling tailgate motor, described
The control loop of tailgate motor includes current detection circuit, FET, two relays, and the current detection circuit is used to examine
The current signal for surveying tailgate motor passes to MCU controllers, and the FET FET is used for the speed for controlling tailgate motor, institute
The forward and backward that two relays are used to control tailgate motor is stated, the relay is respectively Relay1 and Relay2.
The door lock driver element is switched by second source protection to error-polarity connection to be connected with power supply, the second source pole
Property reverse connecting protection switch for break-make to door lock driver element power, the door lock driver element be used for control door-lock motor to drive
Door lock locking or unblock, the door lock driver element includes door-lock motor, door interlock switch, the control loop of door-lock motor, described
Door interlock switch can be two, four, five, in the present embodiment：The door interlock switch can be two, be door interlock switch respectively
SW1 and door interlock switch SW2, wherein the door interlock switch SW1 is half lock-switch, the door interlock switch SW2 is full lock-switch.It is described
The control loop of door-lock motor is used to control door-lock motor start and stop, and the control loop of door-lock motor uses two relays, described
Relay is respectively Relay3 and Relay4, so as to control tailgate automatic locking or unlock.
The tailgate control unit includes MCU controllers, door interlock switch detection circuit and circuit for controlling motor, the door lock
Switch detection circuit uses high/low flat detection circuit, and the door interlock switch detection circuit passes through Interface interface circuits and door
Lock-switch electrically connects, and the lock body status signal that the door interlock switch detection circuit is used to detect door interlock switch passes to MCU controls
Device, the MCU controllers are communicated by LIN buses or CAN with ABS or BCM or car body controller, for obtaining vehicle body control
The car status information of device processed, the car status information include speed, gear, the MCU controllers by with vehicle body storage battery
Voltage is connected, and obtains vehicle body battery voltage；The MCU controllers enter the car status information received, switch state signal
Row logic judgment, locking or unblock of the output pulse width modulated signal to circuit for controlling motor, respectively control door lock driver element, with
And control tailgate driver element dragging opening and closing of back door or closing.The tailgate that the MCU controllers detect according to current detection circuit
Motor current signal controls tailgate motor action, if the excessive MCU of tailgate current of electric electric current can controlled motor stopping action.
Also include warning device control circuit, the MCU module electricity of the warning device control circuit and tailgate control unit
Connection, the MCU module of the tailgate control unit export alarm control signal and give warning device control circuit, control alarm
Device sends prompt tone, notifies the running status of tailgate operator's tailgate.
Also include anti-pinch sensor, the MCU module of the tailgate control unit is connected with anti-pinch sensor, in opening and closing of back door
Or during closing, whether being turned on and off in path of anti-pinch sensor detection tailgate has object to clamp, if so, institute
State the tailgate motor forward and backward of tailgate control unit control tailgate driver element.
It is to control tailgate motor and door lock electricity respectively that the utility model, which sets two protection to error-polarity connection of power supply to switch,
Machine, the protection to error-polarity connection of power supply switch of tailgate driver element is only disconnected when tailgate motor occurs abnormal, when door lock electricity
Machine only disconnects the error-polarity connection of power supply switch of door lock driver element when occurring abnormal, therefore tailgate motor and door-lock motor move
It is independent of each other, when there are abnormal conditions, tailgate motor and door-lock motor can be controlled respectively, improves the peace of tailgate operation
Quan Xing, reliability.
Claims (6)
- A kind of 1. control circuit of motorcar electric tailgate door-lock motor, it is characterised in that：Including tailgate control unit, respectively with the back of the body The first protection to error-polarity connection of power supply switch of door control unit electrical connection, second source protection to error-polarity connection switch, tailgate driving Unit and door lock driver element, the tailgate driver element is switched by the first protection to error-polarity connection of power supply to be connected with power supply, institute State the first protection to error-polarity connection of power supply to switch for break-make to the power supply of tailgate driver element, the tailgate driver element is used to control Tailgate motor driving tailgate opens or closes, and the tailgate driver element includes the control loop of tailgate motor and tailgate motor, The control loop of the tailgate motor is used for the forward and backward and velocity magnitude for controlling tailgate motor；The door lock driver element leads to Cross second source protection to error-polarity connection switch with power supply to be connected, the second source protection to error-polarity connection is switched for break-make to door Driver element power supply is locked, the door lock driver element is used to control door-lock motor driving gate locking to lock or unlock, and the door lock drives Moving cell includes door-lock motor, door interlock switch, the control loop of door-lock motor, and the control loop of the door-lock motor is used to control Door-lock motor is opened, stopped.
- 2. the control circuit of motorcar electric tailgate door-lock motor according to claim 1, it is characterised in that：The tailgate control Unit includes MCU controllers, door interlock switch detection circuit, circuit for controlling motor, and the door interlock switch detection circuit is used to detect The lock body status signal of door interlock switch passes to MCU controllers, and the MCU controllers pass through LIN buses or CAN and vehicle body Controller communicates, for obtaining the car status information of car body controller；The MCU module believes the vehicle-state received Breath, switch state signal carry out logic judgment, and output pulse width modulated signal controls door lock driving single respectively to circuit for controlling motor The door lock locking or unblock of member, and control tailgate driver element dragging tailgate open or close.
- 3. the control circuit of motorcar electric tailgate door-lock motor according to claim 1, it is characterised in that：The tailgate electricity The control loop of machine includes current detection circuit, FET, two relays, and the current detection circuit is used to detect tailgate The current signal of motor passes to MCU, and the FET FET is used for the speed for controlling tailgate motor, described two relays For controlling the forward and backward of tailgate motor.
- 4. the control circuit of motorcar electric tailgate door-lock motor according to claim 1, it is characterised in that：First electricity Source polarity reverse connecting protection switchs and relay, power supply chip, FET or three is respectively adopted in second source protection to error-polarity connection switch Pole pipe.
- 5. the control circuit of motorcar electric tailgate door-lock motor according to claim 1, it is characterised in that：Also include alarm Device control circuit, the warning device control circuit electrically connect with tailgate control unit, the tailgate control unit output report Alert prompting control signal gives warning device control circuit.
- 6. the control circuit of motorcar electric tailgate door-lock motor according to claim 1, it is characterised in that：Also include anti-pinch Sensor, the tailgate control unit is connected with anti-pinch sensor, during opening and closing of back door or closing, the anti-pinch sensing Device detection tailgate be turned on and off in path whether there is object to clamp, if so, the tailgate control unit control tailgate driving The tailgate motor forward and backward of unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872520.0U CN207033143U (en) | 2017-07-18 | 2017-07-18 | The control circuit of motorcar electric tailgate door-lock motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872520.0U CN207033143U (en) | 2017-07-18 | 2017-07-18 | The control circuit of motorcar electric tailgate door-lock motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033143U true CN207033143U (en) | 2018-02-23 |
Family
ID=61464630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720872520.0U Withdrawn - After Issue CN207033143U (en) | 2017-07-18 | 2017-07-18 | The control circuit of motorcar electric tailgate door-lock motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558831A (en) * | 2017-07-18 | 2018-01-09 | 重庆海德世拉索系统（集团）有限公司 | The control method and circuit of motorcar electric tailgate door-lock motor |
| CN110821316A (en) * | 2019-10-08 | 2020-02-21 | 宁波吉利汽车研究开发有限公司 | Control system and control method for opening hatch cover and vehicle |
-
2017
- 2017-07-18 CN CN201720872520.0U patent/CN207033143U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558831A (en) * | 2017-07-18 | 2018-01-09 | 重庆海德世拉索系统（集团）有限公司 | The control method and circuit of motorcar electric tailgate door-lock motor |
| CN110821316A (en) * | 2019-10-08 | 2020-02-21 | 宁波吉利汽车研究开发有限公司 | Control system and control method for opening hatch cover and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20221115 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20221115 |