CN208763550U - Car door electricity inhales lock control device and car door electricity inhales lock control system - Google Patents
Car door electricity inhales lock control device and car door electricity inhales lock control system Download PDFInfo
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- CN208763550U CN208763550U CN201821066768.9U CN201821066768U CN208763550U CN 208763550 U CN208763550 U CN 208763550U CN 201821066768 U CN201821066768 U CN 201821066768U CN 208763550 U CN208763550 U CN 208763550U
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Abstract
This application involves a kind of car door electricity to inhale lock control device and system.Car door electricity suction lock control device includes: the unlocking signal that reception car body control module is sent when receiving unlocking instruction and is transmitted to the switching device that the electricity inhales lock, and unlocking signal is used to control electric lock of inhaling and executes unlocking work；Output shutoff signal is to the switching device and output driving is instructed to the microprocessor of motor drive module；Response driving instruction simultaneously exports the motor drive module that electricity inhales signal to electricity suction lock；Electricity inhales signal and executes electricity suction work for controlling electric lock of inhaling；Microprocessor connects motor drive module and switching device, and motor drive module inhales lock for connecting electricity, and switching device inhales lock for connecting car body control module and electricity.The convenience and safety that vehicle uses can be improved using the application.
Description
Technical field
This application involves technical field of vehicle control, inhale lock control device more particularly to a kind of car door electricity and car door electricity is inhaled
Lock control system.
Background technique
Electricity inhale lock be it is a kind of can apply to door gear, by electricity inhale function realize the automatically controlled device locked a door and opened the door, at present
It is commonly used on the car door of vehicle.For example, installing electricity in the electric tail gate of vehicle inhales lock.
Currently, on car door install electricity inhale lock after, usually by independent controller control electricity inhale lock unlocking motor and
Electricity inhales the work of motor, to control unlocking and shut.However, if controller occurs powering off or the failures such as software issue, it will
It is unable to control the unlocking of unlocking motor, it is inconvenient for use there are the hidden danger that car door can not unlock.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of car door electricity suction lock control dress that can improve ease of use
It sets and inhales lock control system with car door electricity.
A kind of car door electricity suction lock control device, comprising:
It receives the unlocking signal that car body control module is sent when receiving unlocking instruction and is transmitted to the electricity and inhale lock
Switching device；The unlocking signal inhales lock execution unlocking work for controlling the electricity；
Output shutoff signal is to the switching device and output driving is instructed to the microprocessor of motor drive module；Institute
State the route that shutoff signal transmits the unlocking signal for controlling the switching device cutting；
It responds the driving instruction and exports electricity and inhale the motor drive module that signal inhales lock to electricity；The electricity is inhaled signal and is used for
It controls the electricity suction lock execution electricity and inhales work；
The microprocessor connects the motor drive module and the switching device, and the motor drive module is for connecting
It connects the electricity and inhales lock, the switching device inhales lock for connecting the car body control module and the electricity.
A kind of car door electricity suction lock control system, including car body control module and car door electricity above-mentioned inhale lock control device, institute
It states motor drive module and inhales lock for connecting electricity, the switching device inhales lock for connecting electricity；The car body control module connection
The switching device, the car body control module send the unlocking signal when receiving unlocking instruction to the derailing switch
Part.
Above-mentioned car door electricity inhales lock control device and car door electricity inhales lock control system, and switching device receives car body control module hair
The unlocking signal that send simultaneously is transmitted to electricity and inhales lock, executes unlocking work to control electricity and inhale lock；Microprocessor is driven by control motor
Dynamic model block sends electricity and inhales signal to control electric lock of inhaling and execute electricity suction work, and exports the cutting of shutoff signal control switch device and pass
The route of defeated unlocking signal.On the one hand, the electricity that electricity inhales lock is inhaled to be controlled by microprocessor, and electricity inhales the unlocking of lock by car body control module
Control, without being controlled by microprocessor, car body control module functional reliability is high, even if microprocessor power-off or software anomaly
It all will not influence electricity and inhale the unlocking of lock, therefore the accident probability that car door can not unlock can be reduced.On the other hand, it is inhaled in control electricity
When can block unlocking, prevent electricity inhale during mistake unlocking operation.In this way, the convenience and safety that vehicle uses can be improved
Property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that car door electricity inhales lock control device in an embodiment；
Fig. 2 is the structural schematic diagram of switching device in an embodiment；
Fig. 3 is the circuit diagram of low side output circuit in an embodiment；
Fig. 4 is the circuit diagram of flash output circuit in an embodiment；
Fig. 5 is the circuit diagram of CAN communication circuit in an embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
This application provides a kind of car door electricity to inhale lock control device, is locked into for inhaling to the electricity installed on the car door of vehicle
Control is unlocked and shut to row；Wherein, car door can be electric tail gate, it is of course also possible to be the electrically operated gate on vehicle seat side.
In one embodiment, with reference to Fig. 1, it includes: microprocessor 110, motor driven mould that car door electricity, which inhales lock control device,
Block 120 and switching device 130.Switching device 130 receives the unlocking that car body control module 300 is sent when receiving unlocking instruction
Signal is simultaneously transmitted to electricity suction lock 200；Wherein, unlocking signal inhales 200 execution unlocking work of lock for controlling electricity.Microprocessor 110
Output shutoff signal is to switching device 130 and output driving is instructed to motor drive module 120；Wherein, shutoff signal is for controlling
The route of the cutting of switching device 130 transmission unlocking signal processed.Motor drive module 120, which responds driving instruction and exports electricity, inhales signal
Lock 200 is inhaled to electricity.Wherein, electricity suction signal inhales work for controlling 200 execution electricity of electricity suction lock.Microprocessor 110 connects motor and drives
Dynamic model block 120 and switching device 130, motor drive module 120 inhale lock 200 for connecting electricity, and switching device 130 is for connecting electricity
Inhale lock 200 and car body control module 300.
Wherein, car body control module 300 is the device installed on former vehicle, i.e., vehicle release configures car body control module 300,
It typically is provided with the functions such as power window control, centrally controrlled locking system control, remote-control anti-theft, lighting system control, power distribution.Vehicle body control
Molding block 300 can connect the unlocking button of former vehicle, press unlocking button, vehicle body control when user needs electricity to inhale when lock 200 is unlocked
Molding block 300 detects that unlocking button is pressed, then sends unlocking signal to switching device 130, open to control electricity and inhale lock 200
Lock.Specifically, unlocking signal can be unlocking pulse.
Microprocessor 110, which can be, to be got when shutting status information, output shutoff signal to 130 He of switching device
Output driving is instructed to motor drive module 120.Wherein, status information to be shut is to be used to indicate electricity to inhale lock 200 in waiting
Shut the information of state；Microprocessor 110 gets status information to be shut, and indicates that needing to control electricity suction lock 200 carries out electric suction,
The route of the cutting transmission unlocking signal of control switch device 130, and control motor drive module 120 and send electricity suction signal to control
Electric lock 200 of inhaling executes electricity suction work, unlocks so that blocking during electricity inhales 200 electricity suction of lock, opening by mistake during preventing electricity from inhaling
Lock operation.Wherein, electric lock 200 of inhaling executes electricity suction work, refers to that electricity is inhaled lock 200 and shut by electricity suction effect.Specifically, micro-
When processor 110 does not send shutoff signal to switching device 130, switching device 130 transmits the line conduction of unlocking signal, electricity
It inhales lock 200 to be connected by switching device 130 with car body control module 300, so that switching device 130 is when receiving unlocking signal
Electricity can be transmitted to and inhale lock 200.For example, microprocessor 110 does not get status information to be shut or microprocessor 110 is disconnected
Electricity, then will not send shutoff signal, and switching device 130 can normal transmission unlocking signal.
Microprocessor 110 can be the status information to be shut that direct receiving device is sent, for example, status information to be shut
It can be level signal, user's operation button when car door reaches locked position, button changes original state thus transmission level
Signal is to microprocessor 110.Wherein, locked position is the critical localisation that electricity suction lock 200 can be carried out electric suction effect；That is, car door with
The distance between vehicle body be less than or equal to the distance between locked position and vehicle body when, electricity inhale lock 200 can by electricity suction act on into
Row is shut.Certainly, microprocessor 110 is also possible to receive signal, analyzes signal by loading well known program to obtain wait close
Lock status information.
Specifically, it includes that electricity inhales motor and unlocking motor that electricity, which inhales lock 200, and it is the electricity that work is inhaled for executing electricity that electricity, which inhales motor,
Machine, unlocking motor are the motors for executing unlocking work.Motor drive module 120 connects the electricity suction motor that electricity inhales lock 200, opens
It closes device 130 and connects the unlocking motor that electricity inhales lock 200.
Above-mentioned car door electricity inhales lock control device, and switching device 130 receives the unlocking signal of the transmission of car body control module 300 simultaneously
It is transmitted to electricity and inhales lock 200, execute unlocking work to control electricity and inhale lock 200；Microprocessor 110 passes through control motor drive module
120, which send electricity, inhales signal to control electric lock 200 of inhaling and execute electricity suction work, and exports shutoff signal control switch device 130 and cut
The route of the defeated unlocking signal of stealpass.On the one hand, the electricity that electricity inhales lock 200 is inhaled to be controlled by microprocessor 110, and electricity inhales the unlocking of lock 200
It is controlled by car body control module 300, without being controlled by microprocessor 110,300 functional reliability of car body control module is high, even if
The power-off of microprocessor 110 or software anomaly all will not influence electricity and inhale the unlocking of lock 200, therefore can reduce car door and can not unlock
Accident probability.On the other hand, unlocking can be blocked when control electricity is inhaled, the mistake unlocking operation during preventing electricity from inhaling.In this way,
The convenience and safety that vehicle uses can be improved.
In one embodiment, shutoff signal is electric signal.Switching device 130 includes relay.With reference to Fig. 2, relay
Including coil J1, the first contact S1 and the second contact S2, coil J1 connection microprocessor 110；First contact S1 is for connecting electricity
Lock 200 is inhaled, in the present embodiment, the first contact S1 is inhaled by interface Con Open connection electricity and locks 200；Second contact S2 is for connecting
Car body control module 300, in the present embodiment, the second contact S2 passes through interface BCM Con Open connection car body control module 300.
Wherein, the first contact S1 and the second contact S2 is respectively one of movable contact and stationary contact and the two is not identical.For example, first
Contact S1 is movable contact, then the second contact S2 is stationary contact；First contact S1 is stationary contact, then the second contact S2 is movable contact.
Microprocessor 110 exports electric signal makes coil J1 be powered to coil J1, and the first contact S1 and the second contact S2 are online
Circle J1 is disconnected when being powered, and disconnects the route for transmitting unlocking signal.Specifically, when microprocessor 110 does not export electric signal, line
J1 power-off is enclosed, the first contact S1 and the second contact S2 is closed when coil J1 is powered off, and transmission unlocking signal inhales the line of lock 200 to electricity
Road conducting, electricity inhale lock 200 and connect car body control module 300 by relay.
By using relay, the circuit on-off of transmission unlocking signal is controlled by the on-off of coil J1, structure is simple,
And the route for transmitting unlocking signal is connected when coil J1 is powered off, unlocking work is not by the power-off of microprocessor 110 or software fault
The problems such as influence.It is appreciated that in other embodiments, switching device 130 can also be that switching function may be implemented in other
Device；For example, switching device 130 is triode so that shutoff signal is high level signal as an example, the base stage connection of triode is micro-
Processor 110, the emitter and collector of triode are separately connected electricity and inhale lock 200 and car body control module 300, microprocessor
The base stage of 110 output high level signal to triodes ends triode, to transmit the route cutting of unlocking signal.
In one embodiment, switching device 130 further includes auxiliary circuit, and coil J1 connects micro process by auxiliary circuit
Device 110.With reference to Fig. 2, auxiliary circuit includes diode D1, the first additional resistance R11, the second additional resistance R13 and extra switch
Pipe Q5.First one end additional resistance R11 connects the anode and coil J1 of diode D1, the connection of the first additional resistance R11 other end
The first electrode end of extra switch pipe Q5.The cathode of diode D1 connects voltage input end VBAT with relay J1.Extra switch
The second electrode end of pipe Q5 is grounded, and the control terminal of extra switch pipe Q5 passes through the second additional resistance R13 connection microprocessor 110.
In one embodiment, with continued reference to FIG. 2, switching device 130 further includes fuse F0, the first contact S0 passes through
Fuse F0 connection electricity inhales lock 200.By using fuse F0, the safety of the route of transmission unlocking signal can be improved.
In one embodiment, with continued reference to FIG. 2, switching device 130 further includes load R0, load one end R0 connection the
The common end of two contact S2 and car body control module 300, other end ground connection.Vehicle is generally configured with warning function, by vehicle body
Control module 300 connects the load R0 of the common end access ground connection of the second contact S2, avoids the route of cutting transmission unlocking signal
After cause vacant state and lead to 300 false alarm of car body control module.
In one embodiment, it further includes the low side output for connecting microprocessor 110 that above-mentioned car door electricity, which inhales lock control device,
Circuit and/or flash output circuit, low side output circuit and flash output circuit are for connecting car body control module 300.
Microprocessor 110 can receive stroke signal and acquisition includes the door lock state information of status information to be shut, and lead to
Too low side output circuit and/or flash output circuit export door lock state information to car body control module 300.
Wherein, stroke signal is the signal for indicating car door and vehicle body alternate position spike or indicating car door moving distance, such as can be with
It is signal of the expression car door of range sensor transmission at a distance from vehicle body, can also be that electricity inhales the travel switch transmission of lock 200
Expression car door moving distance signal.Microprocessor 110 can be by using comparator or well known comparison program by stroke
It is true according to comparison result compared with the corresponding alternate position spike of signal or car door moving distance default value corresponding with each open and-shut mode
The open and-shut mode that fixed electricity inhales lock 200 obtains door lock state information；Wherein, it includes unlocking, wait close that electricity, which inhales the open and-shut mode of lock 200,
The states such as lock, shut, accordingly, door lock state information includes status information to be shut, unlocking condition information and shut shape
State information etc..
The car body control module 300 of vehicle generally requires according to the open and-shut mode of car door and carries out corresponding operation control,
To realize antitheft, raising traffic safety etc..By using low side output circuit and/or flash output circuit output door lock state letter
To car body control module 300, the open and-shut mode that can simulate car door sends door lock state information, is supplied to the vehicle body control of former vehicle breath
Molding block 300 identifies, so that car body control module 300 still can accurately obtain the opening and closing shape of door lock after installation electricity inhales lock 200
State, to be normally carried out corresponding operation control, travel safety is high.
It is appreciated that it does not include height that it may include low side output circuit that car door electricity, which inhales lock control device, in one embodiment
Side output circuit；In another embodiment, it does not include that low side is defeated that it may include flash output circuit that car door electricity, which inhales lock control device,
Circuit out；In further embodiment, it may include low side output circuit and flash output circuit that car door electricity, which inhales lock control device,.
In one embodiment, low side output circuit includes two signal circuits.With reference to Fig. 3, the signal of top is electric in figure
Road is first signal circuit, and the signal circuit of lower section is second signal circuit in figure；By taking first signal circuit as an example into
Row explanation, signal circuit include first resistor R84, second resistance R82 and the first transistor Q17, and the first transistor Q17 includes control
End, first electrode end and second electrode end processed.
First resistor R84 and second resistance R82 series connection, the first resistor R84 other end connects microprocessor 110 after series connection,
In the present embodiment, first resistor R84 passes through interface BCMLOCKLOW_2 connection microprocessor 110.It is another after second resistance R82 series connection
One end ground connection.First resistor R84 connects the control terminal of the first transistor Q17, the first transistor with the common end of second resistance R82
The first electrode end of Q17 is grounded, and the second electrode end of the first transistor Q17 is for connecting car body control module 300.The present embodiment
In, the second electrode end of the first transistor Q17 passes through port BCM_LOCK_LOW_2 connection car body control module 300.
In second signal circuit, including first resistor R85, second resistance R86 and third transistor Q18, first resistor
The connection structure of R85, second resistance R86 and third transistor Q18 are identical as the connection structure of first signal circuit, herein not
It repeats.
Illustrate the course of work of signal circuit and low side output circuit with one embodiment: microprocessor 110 exports low electricity
Ordinary mail number, then the first transistor ends, and the first transistor connects the interface floating of car body control module 300；Microprocessor 110 is defeated
High level signal out, then the first transistor is connected, and the interface that the first transistor connects car body control module 300 exports low level.
Therefore, microprocessor 110 exports varying level signal, and the first transistor connects the output shape of the interface of car body control module 300
State is different.Microprocessor 110 by output to first signal circuit and second signal circuit level signal type not
Together, the output state of the interface of the first transistor connection car body control module 300 can be made different, so as to different defeated
Do well the door lock state information for indicating different.Therefore, by using the structure of the low side output circuit of the present embodiment, pass through two
Road signal circuit can effectively send a variety of different door lock state information, and structure is simple and functional.
Specifically, in the present embodiment, the resistance value of first resistor is 1K ohm, and the resistance value of second resistance is 100K ohm, the
One transistor is the field-effect tube of A03402 model, and the first electrode end and second electrode end of the first transistor are respectively field-effect
One in the drain electrode and source electrode of pipe, the control terminal of the first transistor is the grid of field-effect tube.
In one embodiment, signal circuit further includes fuse, and the second electrode end of the first transistor passes through fuse
Connect car body control module 300.By the way that fuse is arranged, the safety of circuit can be improved.For example, in first signal circuit
The first transistor Q17 passes through fuse F1 connection car body control module 300；The first transistor Q18 in second signal circuit
Pass through fuse F3 connection car body control module 300.
In one embodiment, with reference to Fig. 4, flash output circuit includes 3rd resistor R78, second transistor Q15 and
Three transistor Q16, second transistor Q15 and third transistor Q16 include control terminal, first electrode end and second electrode end.
The control terminal of the first electrode end connection third transistor Q16 of second transistor Q15, and common end connection third electricity
The one end R78 is hindered, the 3rd resistor R78 other end connects voltage input end VBAT.The control terminal of second transistor Q15 connects micro process
Device 110, the second electrode end ground connection of second transistor Q15；In the present embodiment, the control terminal of second transistor Q15 passes through interface
BCMLOCK_HI connection microprocessor 110.The first electrode end of third transistor Q16 connects voltage input end VBAT, and third is brilliant
The second electrode end of body pipe Q16 is for connecting car body control module 300；In the present embodiment, the second electrode of third transistor Q16
End passes through interface BCM_LOCK_HI connection car body control module 300.
Illustrate the course of work of flash output circuit with one embodiment: microprocessor 110 exports low level signal, then and the
Two-transistor Q15 cut-off, 3rd resistor R78 pull-up, third transistor Q16 cut-off, third transistor Q16 connection Body Control mould
The interface floating of block 300；Microprocessor 110 exports high level signal, then second transistor Q15 is connected, and third transistor Q16 is led
Logical, the interface of third transistor Q16 connection car body control module 300 exports high level.In this way, microprocessor 110 exports difference
The level signal of type can make the output state of the interface of third transistor Q16 connection car body control module 300 different,
So as to export different door lock state information.Therefore, not fellow disciple is sent by using the flash output circuit of the present embodiment
Lock status information, structure are simple.
Specifically, in the present embodiment, the resistance value of 3rd resistor R78 is 47K ohm, and second transistor Q15 is triode, the
Three transistor Q16 are the triode of A03401 model.The first electrode end of second transistor Q15 and third transistor Q16 and
Two electrode tips are respectively one in the emitter and collector of triode, the control of second transistor Q15 and third transistor Q16
End processed is the base stage of triode.
It is appreciated that when it includes low side output circuit and flash output circuit that car door electricity, which is inhaled in lock control device, combination
Using low side output circuit and flash output circuit, the type for the door lock state information that can be exported is more.
In one embodiment, flash output circuit further includes fuse F4, and the second electrode end of third transistor Q16 is logical
Overcurrent fuse F4 connection car body control module 300.By the way that fuse F4 is arranged, the safety of circuit can be improved.
Low side output circuit and flash output circuit are all the forms using rigid line communication.Microprocessor 110 can also be adopted
It is communicated with the form and car body control module 300 of CAN communication.In one embodiment, car door electricity suction lock control device further includes
CAN communication circuit, CAN communication circuit connect microprocessor 110, and for connecting car body control module 300.Microprocessor 110
It can receive stroke signal and acquisition include the door lock state information of status information to be shut, pass through CAN communication circuit out gate
Lock status information is to car body control module 300.
By using CAN communication circuit output door lock state information to car body control module 300, opening for car door can be simulated
Closed state sends door lock state information, and the car body control module 300 for being supplied to former vehicle identifies, thus after installation electricity inhales lock 200,
Car body control module 300 still can accurately obtain the open and-shut mode of door lock, to be normally carried out corresponding operation control, traffic safety
Property it is high.
In one embodiment, CAN communication circuit includes CAN transceiver and peripheral circuit, and CAN transceiver connects micro process
Device 110 and peripheral circuit, peripheral circuit connect car body control module 300.
Specifically, with reference to Fig. 5, peripheral circuit includes inductance L2, first capacitor C1, common-mode filter FL1, first two-way two
Pole pipe TD14, the second bilateral diode TD5, the 5th resistance R5, the 6th resistance R6, the 7th resistance R1, the 8th resistance R2.
The one end inductance L2 connects voltage input end 5V, and the inductance L2 other end connects CAN transceiver U2 and first capacitor C1 mono-
End.First capacitor C1 other end ground connection.5th one end resistance R5 connects microprocessor 110, and the other end connects CAN transceiver U2.
Specifically, the 5th resistance R5 passes through interface CAN_RS connection microprocessor 110.The public affairs of 5th resistance R5 connection microprocessor 110
End passes through the 6th resistance R6 connection CAN transceiver U2 altogether.7th one end resistance R1 connects CAN transceiver U2, and the other end is by connecing
Mouth CAN_RX connection microprocessor 110, and be grounded by the 8th resistance R2.The one end common-mode filter FL1 connects CAN transceiver
U2, the other end connect car body control module 300.First bilateral diode TD14, second one end bilateral diode TD5 connect common mode
The common end of filter FL1 and car body control module 300, other end ground connection.
In the present embodiment, with reference to Fig. 5, the model TJA1040 of CAN transceiver U2.Microprocessor 110 also passes through interface
CAN_TX connection CAN transceiver U2.Common-mode filter FL1 in peripheral circuit connects vehicle with interface CAN_H by interface CAN_L
Body control module 300.
In one embodiment, a kind of car door electricity suction lock control system, including car body control module and car door electricity are provided
Lock control device is inhaled, motor drive module inhales lock for connecting electricity, and switching device inhales lock for connecting electricity；Car body control module connects
Switching device is connect, car body control module sends unlocking signal when receiving unlocking instruction to switching device.Car door electricity inhales lock control
The specific structure and function of device processed describe in front, and this will not be repeated here.
Above-mentioned car door electricity inhales lock control system, similarly can reduce vehicle due to using aforementioned car door electricity suction lock control device
The accident probability that door can not unlock improves vehicle ease of use.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (9)
1. a kind of car door electricity inhales lock control device characterized by comprising
It receives the unlocking signal that car body control module is sent when receiving unlocking instruction and is transmitted to the switch that the electricity inhales lock
Device；The unlocking signal inhales lock execution unlocking work for controlling the electricity；
Output shutoff signal is to the switching device and output driving is instructed to the microprocessor of motor drive module；It is described to cut
Break signal is used to control the route that the unlocking signal is transmitted in the switching device cutting；
It responds the driving instruction and exports electricity and inhale the motor drive module that signal inhales lock to electricity；The electricity inhales signal for controlling
The electricity inhales lock execution electricity and inhales work；
The microprocessor connects the motor drive module and the switching device, and the motor drive module is for connecting institute
It states electricity and inhales lock, the switching device inhales lock for connecting the car body control module and the electricity.
2. car door electricity according to claim 1 inhales lock control device, which is characterized in that the shutoff signal is electric signal,
The switching device includes relay, and the relay includes coil, the first contact and the second contact, described in the coil connection
Lock is inhaled for connecting the electricity in microprocessor, first contact, and second contact is for connecting the car body control module.
3. car door electricity according to claim 2 inhales lock control device, which is characterized in that the switching device further includes bearing
It carries, described load one end connects the common end of second contact and the car body control module, other end ground connection.
4. car door electricity according to claim 1-3 inhales lock control device, which is characterized in that further include described in connection
The low side output circuit and/or flash output circuit of microprocessor, the low side output circuit and the flash output circuit are used
In the connection car body control module.
5. car door electricity according to claim 4 inhales lock control device, which is characterized in that the low side output circuit includes two
A signal circuit, the signal circuit include first resistor, second resistance and the first transistor, and the first transistor includes control
End, first electrode end and second electrode end processed；
The first resistor and second resistance series connection, the first resistor other end connects the microprocessor after series connection,
The other end is grounded after the second resistance series connection, and it is brilliant that the first resistor connects described first with the common end of the second resistance
The control terminal of body pipe, the first electrode end ground connection of the first transistor, the second electrode end of the first transistor is for connecting
Connect the car body control module.
6. car door electricity according to claim 4 inhales lock control device, which is characterized in that the flash output circuit includes the
Three resistance, second transistor and third transistor, the second transistor and the third transistor include control terminal, first
Electrode tip and second electrode end；
The first electrode end of the second transistor connects the control terminal of the third transistor, and common end connects the third
Resistance one end, the 3rd resistor other end connect voltage input end；
The control terminal of the second transistor connects the microprocessor, the second electrode end ground connection of the second transistor；Institute
The first electrode end for stating third transistor connects the voltage input end, and the second electrode end of the third transistor is for connecting
The car body control module.
7. car door electricity according to claim 1-3 inhales lock control device, which is characterized in that further include CAN communication
Circuit, the CAN communication circuit connect the microprocessor, and for connecting the car body control module.
8. car door electricity according to claim 7 inhales lock control device, which is characterized in that the CAN communication circuit includes CAN
Transceiver and peripheral circuit, the CAN transceiver connect the microprocessor and the peripheral circuit, the peripheral circuit connection
The car body control module.
9. a kind of car door electricity inhales lock control system, which is characterized in that including any one of car body control module and claim 1-8 institute
The car door electricity stated inhales lock control device, and the motor drive module inhales lock for connecting electricity, and the switching device is for connecting electricity
Inhale lock；The car body control module connects the switching device, car body control module transmission when receiving unlocking instruction
The unlocking signal is to the switching device.
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| CN201821066768.9U CN208763550U (en) | 2018-07-06 | 2018-07-06 | Car door electricity inhales lock control device and car door electricity inhales lock control system |
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| CN201821066768.9U CN208763550U (en) | 2018-07-06 | 2018-07-06 | Car door electricity inhales lock control device and car door electricity inhales lock control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590384A (en) * | 2018-07-06 | 2018-09-28 | 广东东箭汽车科技股份有限公司 | Car door electricity inhales lock control device and car door electricity inhales lock control system |
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2018
- 2018-07-06 CN CN201821066768.9U patent/CN208763550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590384A (en) * | 2018-07-06 | 2018-09-28 | 广东东箭汽车科技股份有限公司 | Car door electricity inhales lock control device and car door electricity inhales lock control system |
| CN108590384B (en) * | 2018-07-06 | 2023-10-17 | 广东东箭汽车科技股份有限公司 | Door electric suction lock control device and door electric suction lock control system |
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