CN206250753U - The Lock protective circuit of brush motor and the motor rotation blockage protection device of power windows - Google Patents
The Lock protective circuit of brush motor and the motor rotation blockage protection device of power windows Download PDFInfo
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- CN206250753U CN206250753U CN201621423643.8U CN201621423643U CN206250753U CN 206250753 U CN206250753 U CN 206250753U CN 201621423643 U CN201621423643 U CN 201621423643U CN 206250753 U CN206250753 U CN 206250753U
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Abstract
The utility model discloses a kind of Lock protective circuit of brush motor; including vehicle window recognition by pressing keys module, signal feedback module, switch module and control module; wherein; switch module includes the first access point and the second access point; first access point of switch module is connected with signal feedback module; second access point of switch module is connected with the anode of vehicle, and vehicle window recognition by pressing keys wired in parallel is at the first access point；Switch module, vehicle window recognition by pressing keys module and signal feedback module are commonly connected to control module；Vehicle window recognition by pressing keys module is exported to control module for obtaining push button signalling；Signal feedback module is exported to control module for obtaining pulse wave signal；Control module is exported to switch module according to push button signalling or/and pulse wave signal generation drive signal, and controlling switch module is switched between the first access point and the second access point.Control is switched over according to push button signalling, and the stall situation of motor is detected according to pulse wave signal, the degree of accuracy is higher.
Description
Technical field
The utility model is related to a kind of Lock protective circuit of brush motor and realizes electricity by the Lock protective circuit
The device of the motor rotation blockage protection of motor-car window.
Background technology
The Method and circuits for carrying out motor rotation blockage in the market is mainly by sensor detection or current detecting realization
's.For example, the Chinese patent of Application No. 201210181027 discloses a kind of motor rotation blockage protection circuit and its guard method,
It is to detect that the tach signal of motor carries out stall judgement by magnet ring and velocity sensor, and this mode circuit is complicated, and
And with the service wear of motor, what its rotating speed necessarily changed, when thus carrying out parameter value and compare, its precision can be with
The use of motor and reduce.For another example, the Chinese patent of Application No. 201210062086 discloses a kind of door and window motor and blocks up
Rotation protection method and system, it is to realize that stall judges by current detecting, because the change of electric current is relevant with many factors,
For example under the transient overload condition of booting moment and motor, electric current all than larger, similar to locked rotor current, therefore, this mode
It is easier to judge by accident.
Utility model content
According to one side of the present utility model, there is provided the Lock protective circuit of a kind of brush motor and stifled based on this
The rotation-clogging protection device for power windows of rotation protection circuit, with solve the above problems at least one.Wherein, brush motor
Lock protective circuit include vehicle window recognition by pressing keys module, signal feedback module, switch module and control module, wherein, switch
Module includes the first access point and the second access point, and the first access point of switch module is connected with signal feedback module, switching molding
Second access point of block is connected with the anode of vehicle, and vehicle window recognition by pressing keys wired in parallel is at the first access point；Switching molding
Block, vehicle window recognition by pressing keys module and signal feedback module are commonly connected to control module；Vehicle window recognition by pressing keys module is used to obtain
Push button signalling is exported to control module；Signal feedback module is exported to control module for obtaining pulse wave signal；Control module
Exported to switch module according to push button signalling or/and pulse wave signal generation drive signal, controlling switch module is accessed first
Switched between point and the second access point.Thus, it is possible to the second access point is connected according to push button signalling automatically controlled, and
The stall situation of motor being detected according to pulse wave signal, motor being protected by disconnecting motor with when there is stall, blocked up
The degree of accuracy for turning detection is higher.
In some embodiments, switch module includes relay drive circuit and relay switch, relay switch
First contact connects to form the first access point with the second contact, and the first contact of relay switch connects to form with the 3rd contact
Two access points, wherein, relay drive circuit is connected with control module, receives the drive signal of control module, believes according to driving
First contact of number control relay switch switches between the second contact and the 3rd contact.Thus, it is possible to be opened by relay
The contact change-over of pass realize according to push button signalling and pulse wave signal Lock protective circuit and it is existing have brush electrode circuit it
Between switching, circuit realiration is simple, low cost.
In some embodiments, signal feedback module includes load component, one-level discharge circuit and two grades of amplifier electricity
Road, wherein, component and the first contact series are loaded, one-level discharge circuit is connected in parallel on load component two ends, two grades of amplifier electricity
The input on road connects the output end of one-level discharge circuit, two grades of output end link control modules of discharge circuit；One-level amplifier
Circuit obtains the voltage output at load component two ends to two grades of discharge circuits, and two grades of discharge circuits are according to load component two ends
Voltage change generation pulse wave signal export to control module.Thus, it is possible to the rotation status according to motor are transported by one-level
The voltage change that electric circuit inspection loads component is put, and voltage change is directly output to two grades of discharge circuits so as to according to voltage
Change generation impulse wave output, it is not necessary to go to detect the curtage in motor circuit again, detection mode is easy and effective.And
Judge in this way motor whether normal work, accuracy rate is higher, reduces the risk of erroneous judgement.
In some embodiments, vehicle window recognition by pressing keys module include the first divider resistance, the second divider resistance, the 3rd point
Piezoresistance, derided capacitors and triode, wherein, first divider resistance one end is connected to the first access point, and the other end connects three poles
The base stage of pipe；Second divider resistance one end is connected with the colelctor electrode of triode, other end connection positive source；3rd divider resistance
The base stage of one end connecting triode, other end ground connection；The base stage of derided capacitors one end connecting triode, other end ground connection；Three poles
The grounded emitter of pipe；Push button signalling monitoring point, push button signalling are provided between second divider resistance and the colelctor electrode of triode
Monitoring point is connected to control module.Thus, it is possible to using triode principle realize to whether pressed in motor circuit switch by
Key is detected that realize that simply accuracy rate is high, convenience is automatic according to the action that user presses switch key to connect motor work
Start a key mode of operation and rotation-clogging protection pattern, it is more intelligent.
In addition, the utility model additionally provides a kind of rotation-clogging protection device of the motor of power windows, including：First connection
Device, the second connector, the 3rd connector and apparatus main body, apparatus main body are provided with the 4th connector, the first connector and second
Connector is connected to the first loop and second servo loop by the 3rd connector and the 4th connector respectively；Wherein, in apparatus main body
The first Lock protective circuit and the second Lock protective circuit are included, the first Lock protective circuit and the second Lock protective circuit are
The Lock protective circuit of foregoing brush motor, the first Lock protective circuit by the first access point of switch module therein and
Signal feedback module connects the 4th connector respectively, to access the first loop；Second Lock protective circuit is by therein
First access point and signal feedback module of switch module connect the 4th connector respectively, to access second servo loop；Second stall
Protection circuit and the second Lock protective circuit share a control module.Matched by using the connector with power windows
A connector and the second connector realize the connection with former Vehicular system, and will by the 3rd connector and the realization of the 4th connector
Lock protective circuit in rotation-clogging protection device is connected with the motor circuit of former Vehicular system, reached a key auto-lift or-fall window and
To the effect of the rotation-clogging protection of Car window electric machine during auto-lift or-fall window.The present apparatus is believed by detecting push button signalling and impulse wave
Number switching between former vehicular electric machine circuit and Lock protective circuit is realized, the accuracy rate of stall detection is higher.Also, this reality
Easily can be installed in former Vehicular system by connector with new rotation-clogging protection device, it is not necessary to change former car electricity
Line structure, the low cost of transformation is easy for installation.
Further, the utility model additionally provides the Lock protective circuit of another brush motor, including vehicle window button
Identification module, signal feedback module, switch module and control module, wherein, switch module connects including the first access point and second
Access point, the second access point of switch module is connected to the anode of vehicle, vehicle window recognition by pressing keys mould by signal feedback module
Block is connected in parallel at the first access point, and switch module, vehicle window recognition by pressing keys module and signal feedback module are commonly connected to control mould
Block；Vehicle window recognition by pressing keys module is exported to control module for obtaining push button signalling；Signal feedback module is used to obtain impulse wave
Signal output is to control module；Control module is exported to switch according to push button signalling or/and pulse wave signal generation drive signal
Module, controlling switch module is switched between the first access point and the second access point.Thus, it is possible to be connect according to push button signalling
Logical second access point is automatically controlled, and the stall situation of motor is detected according to pulse wave signal, with logical when there is stall
Cross disconnection motor to protect motor, the degree of accuracy of stall detection is higher.And need not have being accessed outside signal feedback module
Brush motor circuit, only need to access external circuit, more safe ready by the first access point of switch module.
In some embodiments, switch module includes relay drive circuit and relay switch, relay switch
First contact connects to form the first access point with the second contact, and the first contact of relay switch connects to form with the 3rd contact
Two access points, wherein, relay drive circuit is connected with control module, receives the drive signal of control module, believes according to driving
First contact of number control relay switch switches between the second contact and the 3rd contact.Thus, it is only necessary to drive relay
External circuit is accessed in the first contact closed and the second contact, it is possible to realized according to button by the contact change-over of relay switch
Signal and pulse wave signal Lock protective circuit and it is existing have brush electrode circuit between switching, circuit realiration is simple, into
This is low.
In some embodiments, signal feedback module includes load component, one-level discharge circuit and two grades of amplifier electricity
Road, wherein, component one end and the 3rd contact series are loaded, the other end is connected with the anode of vehicle, one-level discharge circuit
Load component two ends are connected in parallel on, two grades of inputs of discharge circuit connect the output end of one-level discharge circuit, two grades of amplifier electricity
The output end link control module on road；One-level discharge circuit obtains the voltage output at load component two ends to two grades of amplifier electricity
Road, two grades of discharge circuits are exported to control module according to the voltage change generation pulse wave signal at load component two ends.Thus,
The voltage change of load component can be detected by one-level discharge circuit according to the rotation status of motor, and voltage change is straight
Output is connect to two grades of discharge circuits so as to generate impulse wave output according to voltage change, it is not necessary to go again in detection motor circuit
Curtage, detection mode is easy and effective.And judge in this way motor whether normal work, accuracy rate is higher,
Reduce the risk of erroneous judgement.
In some embodiments, vehicle window recognition by pressing keys module include the first divider resistance, the second divider resistance, the 3rd point
Piezoresistance, derided capacitors and triode, wherein, first divider resistance one end is connected to the first access point, and the other end connects three poles
The base stage of pipe；Second divider resistance one end is connected with the colelctor electrode of the triode, other end connection positive source；3rd partial pressure
The base stage of resistance one end connecting triode, other end ground connection；Derided capacitors one end connects the base stage of the triode, another termination
Ground；The grounded emitter of triode；Push button signalling monitoring point is provided between second divider resistance and the colelctor electrode of triode, is pressed
Key signals monitoring point is connected to control module.Thus, it is possible to be realized to whether being pressed in motor circuit using the principle of triode
Switch key is detected that realization is simple, and accuracy rate is high to connect motor work, convenient to press the dynamic of switch key according to user
Make the key mode of operation of automatic one and rotation-clogging protection pattern, it is more intelligent.
The utility model additionally provides the motor rotation blockage protection device of another power windows, including：First connector,
Two connectors, the 3rd connector and apparatus main body, apparatus main body are provided with the 4th connector, the first connector and the second connector
The first loop and second servo loop are connected to by the 3rd connector and the 4th connector respectively；The 3rd is included in apparatus main body to block up
Rotation protection circuit and the 4th Lock protective circuit, the 3rd Lock protective circuit and the 4th Lock protective circuit are that electricity is brushed in foregoing having
The Lock protective circuit of machine, the two ends of the first access point that the 3rd Lock protective circuit passes through switch module therein connect the 4th
Connector, to access the first loop；The two ends of the first access point that the 4th Lock protective circuit passes through switch module therein connect
The 4th connector is connect, to access second servo loop；Wherein, the 3rd Lock protective circuit and the 4th Lock protective circuit share a control
Molding block, and share a signal feedback module.The first connector matched by using the connector with power windows and
Two connectors realize the connection with former Vehicular system, and are realized rotation-clogging protection device by the 3rd connector and the 4th connector
In Lock protective circuit connected with the motor circuit of former Vehicular system by the first loop and second servo loop, reached a key from
Dynamic drop window and during auto-lift or-fall window to the effect of the rotation-clogging protection of Car window electric machine.The present apparatus is by detecting push button signalling
And pulse wave signal realizes the switching between former vehicular electric machine circuit and Lock protective circuit, the accuracy rate of stall detection is more
It is high.Also, rotation-clogging protection device of the present utility model easily can be installed in former Vehicular system by connector, be not required to
Change former car circuit structure, the low cost of transformation is easy for installation, and share a signal feedback module and control module,
Save electronic component, device low cost in itself.
Brief description of the drawings
Fig. 1 is inductance on-state schematic diagram of the brush motor in energization rotary course；
Fig. 2 is a kind of schematic diagram of the brush motor Lock protective circuit of implementation method of the utility model；
Fig. 3 is the circuit theory diagrams of the vehicle window recognition by pressing keys module in motor rotation blockage protection circuit shown in Fig. 2；
Fig. 4 is the motor rotation blockage protection device of power windows of the utility model based on the Lock protective circuit shown in Fig. 2
Schematic diagram；
Fig. 5 is the application principle figure of the motor rotation blockage protection device in main driving position of power windows shown in Fig. 4；
Fig. 6 is the application principle figure of the motor rotation blockage protection device in co-driver of power windows shown in Fig. 4；
Fig. 7 is the schematic diagram of the brush motor Lock protective circuit of the utility model another embodiment；
Fig. 8 is the motor rotation blockage protection device of power windows of the utility model based on the Lock protective circuit shown in Fig. 7
Schematic diagram；
Fig. 9 is application principle figure of the power windows motor rotation blockage protection device shown in Fig. 8 in main driving position；
Figure 10 is application principle figure of the power windows motor rotation blockage protection device shown in Fig. 8 in co-driver.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Brush motor is a kind of conventional motor, the especially application in power windows.Study the work of brush motor
Principle and rotation status, can be that practical application (such as the locked rotor condition to motor judges) extends efficient help.Fig. 1 illustrates
Show a kind of inductance on-state of brush motor in energization rotary course to property.As shown in figure 1, grinding through the present inventor
Study carefully discovery, in having the rotary course of brush rotor electric machine, due to its rotor and the continuous break-make of electrode, motor is rotating to difference
Position when, its internal coil for accessing is constantly change size, thus causes inductance of the motor in its series circuit to resist
And electric current is also to be continually changing.For example, at the position of A in rotating to figure, the resistance circuit of connection is by inductance coil L6, electricity
Sense coil L7 and inductance coil L8 connect the first resistor circuit to be formed with by inductance coil L2, inductance coil L3 and inductance coil
The second resistance circuit in parallel that L4 is connected into；At the position of B in rotating to figure, the resistance circuit of connection is by inductance coil
L1, inductance coil L6, inductance coil L7 and inductance coil L8 connect the 3rd resistor circuit to be formed with by inductance coil L2, inductance
The 4th resistance circuit that coil L3, inductance coil L4 and inductance coil L5 are connected into is in parallel.As can be seen here, rotated to not in motor
With position when, its internal resistance value is different.Based on this, when one load component of series connection in the circuit of motor,
Voltage on load component synchronous generating period will change with the rotation of motor, thus just can be by being carried in
The first transport and placing device on load component obtains the voltage signal of change, and it is defeated to generate pulse wave signal by the second transport and placing device
Go out.And by whether exporting impulse wave and detecting, it is possible to judge the working order (such as whether stall occurs) of motor.
Fig. 2 schematically shows the brush motor Lock protective circuit according to a kind of implementation method of the present utility model
Schematic diagram.As shown in Fig. 2 Lock protective circuit 20 include power supply+BAT, vehicle window recognition by pressing keys module 5, signal feedback module 7,
Switch module 6 and control module 8.Wherein, switch module 6 has the first access point and the second access point (figure is not marked), vehicle window
Recognition by pressing keys module 5 is connected with first access point and control module 8 of switch module 6 respectively, for obtaining brush motor circuit
Push button signalling export to control module 8.First access point and control mould of the difference connecting valve of signal feedback module 7 module 6
Block 8, the pulse wave signal for obtaining brush motor circuit is exported to control module 8.The second access point connection of switch module 6
To power supply+BAT.Control module 8 is exported to switch module 6, control according to push button signalling or/and pulse wave signal generation drive signal
Switch module processed 6 is switched between the first access point and the second access point.In actual applications by the Lock protective circuit
It is to be capable of achieving the rotation-clogging protection to the motor in brush motor circuit to access brush motor circuit.Brush motor circuit brushes electricity to have
Original circuit system of machine, as shown in Fig. 2 the circuit is considered as the series circuit being made up of key switch 100 and motor 400, when
When key switch 100 is connected, motor 400 is started working, and when key switch 100 disconnects, motor 400 is stopped.By stall
Protection circuit is combined with brush motor circuit specifically, first access point and signal feedback module 7 of switch module 6 are gone here and there
Couple into brush motor circuit, will the first access point of switch module 6 be connected to the key switch 100 of brush motor circuit,
Signal feedback module 7 is connected to the motor 400 of brush motor circuit, using the anode+BAT of original circuit system as stifled
Power supply+the BAT (i.e. the Lock protective circuit shares the battery of vehicle with the brush motor circuit of former vehicle) of rotation protection circuit 20.
Thus, when switch 100 is pushed button, brush motor circuit is connected, and vehicle window recognition by pressing keys module 5 detects push button signalling output
To control module 8.Control module 8 is exported to switch module according to the drive signal that Lock protective circuit is connected in push button signalling generation
6, driving switch module 6 is connected the second access point, i.e. driving switch module 6 and is connected with the anode+BAT of vehicle.Now, control
Molding block 8 is judged according to the pulse wave signal that signal feedback module 7 is exported, if the output of signal feedback module 7 has pulse
Ripple signal, then illustrate the normal rotation of motor 400, and in this case, control module 8 continues to connect stifled according to pulse wave signal generation
The drive signal of rotation protection circuit is exported to be connected to lasting and vehicle the anode+BAT of 6 driving switch module of switch module 6.
If in the case where the anode+BAT of switch module 6 and vehicle is connected (in the case that i.e. Lock protective circuit is connected),
Signal feedback module 7 does not export pulse wave signal to control module 8, then illustrate that motor 400 occurs stall cisco unity malfunction,
In this case, control module 8 then generates the drive signal for disconnecting Lock protective circuit to switch module 6, driving switch module 6
Connect the first access point, i.e. driving switch module 6 to be connected with brush motor circuit, now due to switch module 6 and the electricity of vehicle
Pond positive pole disconnects and the key switch 100 of brush motor circuit also disconnects, then cause that motor 400 is no longer on "on" position, from
And realize the rotation-clogging protection to motor.It should be noted that being manual activity due to persistently pushing button switch 100, work as user
Continue through push button switch 100 motor when, the Lock protective circuit in the present embodiment does not work and (will not drive out
Close module 6 and switch to the second access point), specific implementation can be identification of the control module 8 to vehicle window recognition by pressing keys module 5
Result is judged, when push button signalling continues a bit of time (such as less than 1s), control module 8 controls to open by drive signal
Close module 6 and switch to Lock protective circuit, to be automatically controlled to motor 400 and rotation-clogging protection carried out to motor, and if
When push button signalling continues longer time (such as larger than 1s), then it is assumed that be that user needs to control motor manually, this time control
Molding block 8 not output drive signal keeping original brush motor circuit to connect.
As shown in Fig. 2 the switch module 6 in the utility model specific embodiment can include relay drive circuit 61
With the switching device of relay switch JD.Wherein, first contact of relay switch JD and the second contacting form first and connect
Access point, first contact of relay switch JD and the 3rd contacting form the second access point, are defaulted as the first contact and second
Contacting is connected serially in brush motor circuit, and the 3rd contact is connected with the anode+BAT of vehicle.Relay drive circuit
61 are connected with control module 8, to receive the drive signal of the output of control module 8, and are switched according to drive signal control relay
First contact of JD switches between the second contact and the 3rd contact.For example, when control module 8 detects push button signalling, and root
The drive signal for connecting Lock protective circuit according to push button signalling generation is exported during to relay drive circuit 61, relay driving electricity
Road 61 attracting electric relay switch JD make its first contact disconnected with the second contact and with the 3rd contacting, thus connecting stall
Protection circuit.And after working as Lock protective circuit connection, control module 8 detects the output pulse wave signal of signal feedback module 7, then
The drive signal that control module 8 continues to connect Lock protective circuit according to pulse wave signal generation is exported to relay drive circuit
61 keeping the connection of the first contact and the 3rd contact.If in the state of Lock protective circuit is connected, control module is not examined
The output pulse wave signal of signal feedback module 7 is measured, then the generation of control module 8 disconnects the drive signal output of Lock protective circuit
To relay drive circuit 61, relay drive circuit 61 repels each other with relay switch JD so that its first contact and the 3rd contact
Disconnect and with the second contacting, thus to disconnect Lock protective circuit, now due to the key switch 100 of brush motor circuit
Do not press, thus brush motor circuit is in the state for being also at disconnection, then can just realize powering off motor in stall,
So as to reach the purpose to the rotation-clogging protection of motor.
As shown in Fig. 2 in a particular embodiment, signal feedback module 7 could be arranged to include load cell device R, one-level
Discharge circuit A1 and two grades of discharge circuit A2.Wherein, one end of load cell device R is gone here and there with first contact of relay switch JD
Connection, the other end and brush motor circuit connected in series, thus, it is possible to load cell device R is connected with motor 400, according to Fig. 1
Motor rotate when connection principle, the voltage at the load cell device R two ends connected with motor 400 is with the inductance of motor 400
Change and change simultaneously, it is based on this, one-level discharge circuit A1 is in parallel with load cell device R, it is possible to by one-level amplifier electricity
The voltage change at road A1 detection load cell device Rs two ends, now changes, load cell according to the inductance under the rotation status of motor 400
The voltage that one-level discharge circuit A1 is arrived in the output of device R two ends is waveform.Two grades of inputs of discharge circuit A2 are connected into one-level
The output end of discharge circuit A1, then the waveform voltage for being exported according to one-level discharge circuit A1, two grades of discharge circuit A2 just can be with
The square-wave pulse ripple signal that generation is made up of low and high level.By two grades of output end link control modules 8 of discharge circuit A2, then exist
In the state of the normal rotary work of motor 400, control module 8 is just able to detect that the square wave arteries and veins exported by two grades of discharge circuit A2
Rush ripple signal, and when motor 400 occurs stall, its internal inductance will not change, now two grades of discharge circuit A2 are just
Do not export pulse wave signal, i.e. control module 8 and just can't detect pulse wave signal.Thus, control module 8 just can be according to signal
The pulse wave signal of the output of feedback module 7 carries out judging whether motor 400 occurs stall.Due to motor 400 internal structure and
Its rotary work principle will not change with the loss of motor, detect the mode of impulse wave and the specific electricity of detection motor
The mode of stream or rotating speed is compared, and precision is higher, will not judge by accident, very efficiently.
As shown in figure 3, in a particular embodiment, vehicle window recognition by pressing keys module 5 of the present utility model could be arranged to include
First divider resistance R4, the second divider resistance R5, the 3rd divider resistance R6, derided capacitors C1 and triode Q1.Wherein, first point
Piezoresistance R4 one end is connected to brush motor circuit (accessing between the first access point and key switch 100), and the other end connects
Connect the base stage of triode Q1.Second divider resistance R5 one end is connected with the colelctor electrode of triode Q1, and other end connection positive source+
Vcc.The base stage of the 3rd divider resistance R6 one end connecting triode Q1, other end ground connection.Derided capacitors C1 one end connecting triode
The grounded emitter of the base stage of Q1, other end ground connection, and triode.Wherein, in the collection of the second divider resistance R5 and triode Q1
Push button signalling monitoring point M is provided between electrode, push button signalling monitoring point M is connected to control module 8.When key switch 100
Press, brush motor circuit connect when, the first divider resistance R4 access brush motor circuit one end (i.e. incoming end IN) produce
The life voltage equal with the anode+BAT of vehicle, so as to produce path between the base stage of incoming end IN and triode Q1,
And by the first divider resistance R4, the partial pressure of the 3rd divider resistance R6 and derided capacitors C1, low level is produced (for example in base stage
0.7V), according to the principle of triode, in this case, the circuit turn-on on the colelctor electrode of triode Q1, i.e. the second divider resistance
Circuit turn-on where R5, thus just exports the voltage of 0V in push button signalling monitoring point M.And work as key switch 100 and disconnect, have brush
During motor circuit access failure, the circuit access failure between the base stage of incoming end IN and triode Q1, according to the principle of triode, this
In the case of kind, the circuit on the colelctor electrode of triode Q1 is also not turned on, and is thus just exported with power supply just in push button signalling monitoring point M
Pole+Vcc equal high level voltage (such as when+Vcc is 5V, push button signalling monitoring point M output 5V voltages).So, vehicle window
Recognition by pressing keys module 5 is by way of low and high level in push button signalling monitoring point M output keys signal to control module 8, control
Module 8 according to push button signalling be high level or low level just can interpolate that brush motor circuit key switch 100 whether by
Press.
Because brush motor is often applied in Vehicular system, therefore, it can the stall using above-mentioned principle and brush motor
Protection circuit, the motor to power windows carries out rotation-clogging protection.Based on this, there is brush electricity the invention also discloses a kind of vehicle window
The rotation-clogging protection device of machine, device as shown in Figure 4 includes the first connector 1, the second connector 2, the 3rd connector 3 and device
Main body 40.Wherein, the first connector 1 and the second connector 2 are connected to the 3rd connector 3, apparatus main body 40 by wire harness respectively
The 4th connector 4 is provided with, the 4th connector 4 is connected with the 3rd connector 3.Wherein, because power windows includes rising window electricity
Road and drop window circuit, in order to realize that in liter window and drop window stall detection and protection can be carried out simultaneously, the utility model is implemented
The first connector 1 and the second connector 2 in the rotation-clogging protection device of example are two line interfaces, the 3rd connector 3 and the 4th connection
Device 4 is four-wire interface, and the first connector 1, the second connector 2, the 3rd connector 3 connect two articles of formation with the 4th connector 4 and return
Road, respectively the first loop " Ta1-Fa1-Fb1-Fb2-Fa2-Tb1 " and second servo loop " Ta2-Fa4-Fb4-Fb3-Fa3-
Tb2”.Two Lock protective circuits are provided with apparatus main body 40, respectively the first Lock protective circuit and the second stall are protected
Protection circuit (figure is not identified), wherein shown in the circuit theory of the first Lock protective circuit and the second Lock protective circuit and Fig. 2
The circuit theory of Lock protective circuit is identical, can refer to and is described above.In actual applications, according to power windows circuit is former
Reason, the first connector 1 and the master control switch connection of power windows connect the motor of the second connector and power windows, will
First Lock protective circuit and the second Lock protective circuit are respectively connected in the first loop and second servo loop, you can realized in a liter window
Stall detection and protection are carried out to Car window electric machine with during drop window.As shown in figure 4, the first rotation-clogging protection electricity in the present embodiment
Road includes anode+BAT, the first identification module 51, first switch unit 6A and the first signal feedback module 71 of vehicle, it
Between annexation it is identical with the annexation of the Lock protective circuit in Fig. 2.Second Lock protective circuit includes vehicle
Anode+BAT, the second identification module 52, second switch unit 6B and secondary signal feedback module 72, the company between them
Connect annexation of the relation also with the Lock protective circuit in Fig. 2 identical.Wherein, in the apparatus, the first Lock protective circuit
It is anti-with the second Lock protective circuit shared a control module, i.e. the first identification module 51, first switch unit 6A, the first signal
Feedback module 71, the second identification module 52, second switch unit 6B and secondary signal feedback module 72 are connected to control module 8.
Wherein the specific implementation of the first identification module 51 and the second identification module 52 is with reference to chatting to recognition by pressing keys module 5 above
State, be no longer described in detail herein.First switch unit 6A is provided for carrying out stall switching control, second in liter window
Switch element 6B is provided for carrying out stall switching control when window is dropped.According to the principle of switch module 6, wherein first switch
Unit 6A could be arranged to include the first relay drive circuit 61A and the first relay switch JD1, the first relay switch
First contact of JD1 and the second contacting form the first access point, and the first access point is connected with the 4th connector 4, first after
First contact of electric switch JD2 and the 3rd contacting form the second access point, acquiescently, the first relay switch JD1's
First contact and the second contact are on-state, and the 3rd contact is connected with the anode+BAT of vehicle.Correspondingly, second switch
Unit 6B is set to include the second relay drive circuit 61B and the second relay switch JD2, the second relay switch JD2's
First contact and the second contacting form the first access point, and the first access point is connected with the 4th connector 4, and the second relay is opened
The first contact and the 3rd contacting for closing JD2 form the second access point, under default situations, the of the second relay switch JD2
One contact and the second contact are on-state, and the 3rd contact is connected with the anode+BAT of vehicle.Wherein, the first relay drives
Dynamic circuit 61A and the second relay drive circuit 61B is connected with control module 8 respectively.Correspondingly, signal feedback module 7 includes
First signal feedback unit 71 and secondary signal feedback unit 72, the first signal feedback unit 71 include the first load component
R1, the first one-level discharge circuit A11 and the one or two grade of discharge circuit A12, wherein, one end and first of the first load cell device R 1
First contact series of relay switch JD1, the other end is connected with the 4th connector 4, the first one-level discharge circuit A11 and first
Load cell device R 1 is in parallel, and the one or the two grade of input of discharge circuit A12 connects the output end of the first one-level discharge circuit A11,
One or the two grade of output end link control module 8 of discharge circuit A12.Similarly, secondary signal feedback unit 72 is set to include
Second load cell device R 2, the second one-level discharge circuit A21 and the two or two grade of discharge circuit A22, wherein, the second load component
One end of R2 and first contact series of the second relay switch JD2, the other end are connected with the 4th connector 4, the second one-level fortune
Road A21 is in parallel with the second load cell device R 2 for electric discharge, and the two or the two grade of input of discharge circuit A22 connects the second one-level amplifier electricity
The output end of road A21, the two or the two grade of output end link control module of discharge circuit A22.So, by the stall in the embodiment
Protection device is arranged in power windows, it is possible to realize carrying out stall guarantor to motor simultaneously in liter window and during drop window simultaneously
Shield.Fig. 6 and Fig. 7 respectively illustrate the rotation-clogging protection device of the present embodiment and the circuit of the circuit of the power windows of main driving position connects
Connect schematic diagram and the circuit catenation principle figure with the circuit of the power windows of co-driver.Wherein, other vehicle windows (such as left back seat and
Right back seat) circuit catenation principle figure it is identical with co-driver, reference can be carried out.As shown in Figures 6 and 7, the first connector 1 is connected
The connector 200 of master control switch 100 is connected to, the second connector 2 is connected to the connector 300 of Car window electric machine 400, thus just will
In the rotation-clogging protection device of the present embodiment formed the first loop and second servo loop be connected respectively to vehicle window key switch and
On Car window electric machine, the first Lock protective circuit and the second Lock protective circuit that will be in rotation-clogging protection device have all accessed electronic
In the Car window electric machine circuit of vehicle window.So, in liter window, as the liter window key switch A for lifting master control switch 100, the first identification
Module 51 is detected by push button signalling and exports to control module 8, and control module 8 just connects rotation-clogging protection according to push button signalling generation
The drive signal of circuit is exported to the first relay drive circuit 61A, drives first contact of the first relay switch JD1 and the
Three contactings, thus, have been switched on by " anode+BAT- the first relay switch JD1- the first load cell devices of vehicle
The rotation-clogging protection electricity of part R1- Car window electric machines 400- the second load cell device Rs 2- drop window key switch B- GNDs GND " compositions
Road, according to motor rotary work principle, just pulse can be exported when without generation stall by the one or two grade of discharge circuit A12
Ripple signal, control module 8 according to whether be able to detect that pulse wave signal it may determine that during liter window Car window electric machine 400
Whether stall there occurs.When there is no stall, control module 8 is continuously generated connection Lock protective circuit according to pulse wave signal
Drive signal export to the first relay drive circuit 61A, when occur stall when, control module 8 then generate disconnection stall guarantor
The drive signal of protection circuit is exported to the first relay drive circuit 61A, drive first contact of the first relay switch JD1 with
Second contacting, thus so that Car window electric machine 400 is powered off, realizes rotation-clogging protection.Then it is by the second identification mould when window is dropped
The identification drop window key switch B of block 52, is exported by the two or two grade of discharge circuit A22 according to the voltage change of the second load cell device R 2
Pulse wave signal, and switched between its second contact and the 3rd contact by first contact of the second relay switch JD2, to realize
Rotation-clogging protection during drop window, specific operation principle and process can refer to narration during liter window, and principle is identical, no longer enters herein
Row is repeated.
As shown in fig. 7, due to being opened in liter window key switch C or drop window button that 500 are switched by the master control of co-driver
When pass D carries out drop window control, circuit theory switchs 100 liter window key switch A or drops window with the master control for passing through main driving position
The circuit theory that key switch B carries out drop window control is slightly different, i.e., when the liter window that 500 are switched by the master control of co-driver
When key switch C carries out liter window, it is impossible to by the first identification module 51, first switch unit 6A and the first signal feedback unit 71
Rotation-clogging protection control is carried out, when carrying out drop window with the drop window key switch D that should switch 500 by the master control of co-driver,
Rotation-clogging protection control cannot be carried out by the second identification module 52, second switch unit 6B and secondary signal feedback unit 72, because
This, is in order to make rotation-clogging protection device general in all of vehicle window, as the presently preferred embodiments, can be by the second identification module 52
The push button signalling that detection rises window key switch is provided for, second switch unit 6B is set to receive to drive letter in liter window
Number control whether to connect Lock protective circuit, whether secondary signal feedback unit 72 be set to stall occurs when detection rises window,
Correspondingly, the first identification module 51 is provided for the push button signalling of detection drop window key switch, by first switch unit 6A
Be set to drop window when receive drive signal control whether connect Lock protective circuit, the first signal feedback unit 71 is set to
Whether there is stall during detection drop window.A kind of implementation of the optimum embodiment for example can be, by the first one-level amplifier electricity
The negative input of road A11 is connected between the first load cell device R 1 and the first relay switch JD1, by the first one-level amplifier
The electrode input end of circuit A11 is connected to the other end of the first load cell device R 1, and by the negative of the second one-level discharge circuit A21
Pole input is connected between the second load cell device R 2 and the second relay switch JD2, by the second one-level discharge circuit A21's
Electrode input end is connected to the other end of the second load cell device R 2.Thus, when normal liter window, secondary signal feedback unit 72
Pulse wave signal could be exported, when normal drop window, the first signal feedback unit 71 could export pulse wave signal, control module
8 only need to detect the push button signalling of the second identification module 52 and the pulse wave signal of secondary signal feedback unit 72 in liter window,
And according to push button signalling and pulse wave signal to the second relay drive circuit 61B output drive signals driving the second relay
The first contact for switching JD2 switches between its second contact and the 3rd contact, you can using unified circuit structure to all
The motor of vehicle window carries out rotation-clogging protection.Drop window is as the same.
Fig. 7 schematically shows a kind of improved brush motor Lock protective circuit.The circuit and the circuit shown in Fig. 2
Essentially identical, difference is that the first access point of switch module 6 is connected serially in brush motor circuit, and the second of switch module 6
Access point is connected to the anode+BAT of vehicle, i.e. signal feedback module 7 by signal feedback module 7 with switch module 6
Second access point is connected, and is connected with the anode+BAT of vehicle by signal feedback module 7.So in practical application
In, it is only necessary to the first access point of switch module 6 is connected to existing brush motor circuit, it is not necessary to by other modules
As signal feedback module 7 is also connected into brush motor circuit.Fig. 8 schematically shows the Lock protective circuit according to Fig. 7
Application in the rotation-clogging protection device of power windows.As shown in figure 8, the device is essentially identical with device shown in Fig. 4, it is different
It is that two Lock protective circuits i.e. the 3rd Lock protective circuit that the apparatus main body in the present embodiment includes and the 4th stall are protected
Protection circuit, not only shares a control module 8, and they also share a signal feedback module 7, i.e. the 3rd Lock protective circuit bag
Anode+BAT, the first identification module 51, first switch unit 6A, signal feedback module 7 and the control module 8 of vehicle are included,
4th Lock protective circuit includes anode+BAT, the second identification module 52, second switch unit 6B, the signal feedback of vehicle
Module 7 and control module 8.The circuit theory of the 3rd Lock protective circuit and the 4th Lock protective circuit is same as shown in Figure 7,
Before the specific implementation of the first identification module 51, first switch unit 6A, signal feedback module 7 and control module 8 can refer to
Text narration, will not be repeated here.As illustrated, the specific implementation for sharing a signal feedback module 7 is, by the first relay
3rd contact of device switch JD1 and the 3rd contact portion of the second relay switch JD2, and it is commonly connected to signal feedback
Module 7.The realization of signal feedback module 7 is with the implementation shown in Fig. 2, difference, one end of load cell device R respectively with
3rd contact of the first relay switch JD1 and the 3rd contact portion of the second relay switch JD2, the other end and vehicle
Anode+BAT is connected.So, control module 8 can just be detected by the first identification module 51 and the second identification module 52 and pressed
Key signals, and the drive signal of generation is exported to the first relay drive circuit JD1 or the second relay drive circuit JD2,
Drive first contact of the first relay switch JD1 to switch between the second contact and the 3rd contact or drive the second relay to open
The first contact for closing JD2 switches between the second contact and the 3rd contact, and detects that impulse wave is believed by signal feedback module 7
Number, so as to realize rotation-clogging protection.Similarly, in order to realize being uniformly controlled for each vehicle window, preferably by the first identification in the present embodiment
Module 51 is used to recognize the push button signalling of drop window, and the second identification module 52 is used to recognize the push button signalling for rising window.When the second knowledge
When other module 52 recognizes push button signalling, control module 8 generation connect Lock protective circuit drive signal export to first after
Electrical apparatus driving circuit 61A, drives the first contact and the 3rd contacting of the first relay switch JD1, to form path " vehicle
Anode+BAT- load cells device R the-the first relay switch JD1- Car window electric machines the second relay switches of 400- JD2- electricity
Pond negative pole GND's ".Afterwards, control module 8 just can detect liter by the way that whether the second discharge circuit A2 export pulse wave signal
Whether motor there is stall during window.Similarly, when the first identification module 51 recognizes push button signalling, then the second relay is connected
Device switch JD2 the first contact and the 3rd contact with by the second discharge circuit A2 detect drop window during whether block up
Turn.In the embodiment, it is only necessary to use a signal feedback module 7, circuit structure is simpler, component is saved.Fig. 9 and Figure 10
The rotation-clogging protection device of the embodiment is shown in main driving position and the application principle figure of co-driver, specific operation principle and
Process be can refer to and describe above, and circuit structure with reference to Fig. 9 and Figure 10 is corresponded, due to principle it is identical thus herein not
Repeat again.
In the specific embodiment shown in Fig. 4-Figure 10, the structure of vehicle window recognition by pressing keys module 5 is same as shown in Figure 2,
Difference is that in a particular application, one end of the first divider resistance R4 is by being connected to the 4th connector 4 and then connecting vehicle window
Motor circuit in key switch.
In a preferred embodiment, in order to ensure the accuracy of testing result, control module 8 is driven being generated according to push button signalling
During dynamic signal, the drive signal of generation can be made to continue the regular hour (such as 1s), with ensure that Lock protective circuit connects when
Between length so that the accuracy rate for ensureing to detect the result of pulse wave signal (avoids being because Lock protective circuit is connected
Time is too short and the erroneous judgement of no pulse ripple signal).
It should be noted that due to persistently pushing button switch for manual activity, being pushed button out when user continues through
When closing motor, illustrate that user oneself just with the working condition of controlled motor, and can need not start blocking up in the present embodiment
Rotation protection circuit works, therefore, each embodiment of the present utility model all only starts auto-lift or-fall window to the of short duration switch that pushes button
Situation carry out rotation-clogging protection, specific implementation can be that control module 8 is entered to the recognition result of vehicle window recognition by pressing keys module 5
Row judges that, when push button signalling continues a bit of time (such as less than 1s), control module 8 passes through drive signal controlling switch module
6 switch to Lock protective circuit, to be automatically controlled to Car window electric machine 400 and carry out rotation-clogging protection to motor, and if pressed
When key signals continue longer time (such as larger than 1s), then it is assumed that be that user needs to control motor manually, now control
Module 8 not output drive signal keeping original brush motor circuit to connect.
In certain embodiments, control module can also be respectively connected with the central control system and remote control system of vehicle, with
Signal and remote signal are controlled in reception, and when receiving middle control signal and remote signal, according to middle control signal and remote signal life
Exported to switch module into drive signal, switched between the first access point and the second access point with controlling switch module, so that
Realize by middle control signal and remote signal automatic lifting windows and automatic drop window, and realized to car during automatic lifting windows and drop window
The rotation-clogging protection of window motor.Wherein, the startup that being controlled by middle control signal and remote signal needs to detect simultaneously vehicle is believed
Number, just to carry out auto-lift or-fall window (if fortune by middle control signal and remote signal in the state of vehicle is flame-out as car locking
Row state is inconvenient to use by remote control and middle control drop window, and increases when driving to advance dangerous).According to middle control signal and distant
Control signal generation drive signal can be received in the case where vehicle launch signal is lock-out state (i.e. flameout state)
Lock signal or during remote controlled locking in middle control, generation drive signal drives the second access point of the switch module for liter window to connect,
When middle control unlocking signal or remote-control unlocking signal is received, generation drive signal drives second of the switch module for dropping window
Access point is connected, and the detection and protection of stall are identical with when being controlled by key switch, can refer to and describe above.
Lock protective circuit of the present utility model is based on the operation principle of brush motor, by the series load unit in motor
Device, with the working condition according to brush motor, detection load component both end voltage change generates pulse according to voltage change
Ripple, judges whether motor occurs stall by determining whether impulse wave to export, and accuracy rate is higher, will not judge by accident.And
The rotation-clogging protection device for power windows based on the Lock protective circuit principle is by the connection with former vehicle window Circuit Matching
Device is connected to former vehicle window circuit, so as to realize the rotation-clogging protection to Car window electric machine, mounting means is simple, it is not necessary to change primary circuit
Structure, and the accuracy rate of detection is higher, effectively save cost.
Above-described is only some implementation methods of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. the Lock protective circuit of brush motor, it is characterised in that including vehicle window recognition by pressing keys module (5), signal feedback module
(7), switch module (6) and control module (8), wherein, the switch module (6) includes the first access point and the second access point,
First access point of the switch module (6) is connected with the signal feedback module (7), and the of the switch module (6)
Two access points are connected with the anode (+BAT) of vehicle, and the vehicle window recognition by pressing keys module (5) is connected in parallel on described first and accesses
At point；
The switch module (6), vehicle window recognition by pressing keys module (5) and signal feedback module (7) are commonly connected to the control mould
Block (8)；
The vehicle window recognition by pressing keys module (5) is exported to control module (8) for obtaining push button signalling；
The signal feedback module (7) is exported to the control module (8) for obtaining pulse wave signal；
The control module (8) is exported to the switch according to the push button signalling or/and pulse wave signal generation drive signal
Module (6), controls the switch module (6) to be switched between first access point and second access point.
2. Lock protective circuit according to claim 1, it is characterised in that the switch module (6) includes that relay drives
Dynamic circuit (61) and relay switch (JD), the first contact of the relay switch (JD) connect to form described with the second contact
First access point, the first contact of the relay switch (JD) connects to form second access point with the 3rd contact, wherein,
The relay drive circuit (61) is connected with the control module (8), receives the driving letter of the control module (8)
Number, the first contact for controlling the relay switch (JD) according to the drive signal is cut between the second contact and the 3rd contact
Change.
3. Lock protective circuit according to claim 2, it is characterised in that the signal feedback module (7) includes load
Component (R), one-level discharge circuit (A1) and two grades of discharge circuits (A2), wherein,
Load component (R) and first contact series, the one-level discharge circuit (A1) are connected in parallel on the load cell
Device (R) two ends, the input of two grades of discharge circuits (A2) connects the output end of the one-level discharge circuit (A1), described
Two grades of output ends of discharge circuit (A2) connect the control module (8)；
The one-level discharge circuit (A1) obtains the voltage output for loading component (R) two ends to two grades of discharge circuits
(A2), two grades of discharge circuits (A2) are defeated according to the voltage change generation pulse wave signal at described load component (R) two ends
Go out to the control module (8).
4. the Lock protective circuit according to claim any one of 1-3, it is characterised in that the vehicle window recognition by pressing keys module
(5) including the first divider resistance (R4), the second divider resistance (R5), the 3rd divider resistance (R6), derided capacitors (C1) and three poles
Pipe (Q1), wherein,
Described first divider resistance (R4) one end is connected to first access point, and the other end connects the base of the triode (Q1)
Pole；
Described second divider resistance (R5) one end is connected with the colelctor electrode of the triode (Q1), other end connection positive source (+
Vcc)；
Described 3rd divider resistance (R6) one end connects the base stage of the triode (Q1), other end ground connection；
Described derided capacitors (C1) one end connects the base stage of the triode (Q1), other end ground connection；
The grounded emitter of the triode (Q1)；
Push button signalling monitoring point (M) is provided between second divider resistance (R5) and the colelctor electrode of triode (Q1), it is described
Push button signalling monitoring point (M) is connected to the control module (8).
5. the motor rotation blockage protection device of power windows, it is characterised in that including the first connector (1), the second connector (2),
3rd connector (3) and apparatus main body (40), described device main body (40) are provided with the 4th connector (4), first connection
Device (1) and the second connector (2) are connected to first time by the 3rd connector (3) with the 4th connector (4) respectively
Road and second servo loop；Wherein,
The first Lock protective circuit and the second Lock protective circuit are included in described device main body (40), first stall is protected
Protection circuit and the Lock protective circuit that the second Lock protective circuit is the brush motor described in any one of Claims 1-4,
First Lock protective circuit is connected respectively by first access point and signal feedback module of switch module therein
4th connector, to access first loop；
Second Lock protective circuit is connected respectively by first access point and signal feedback module of switch module therein
4th connector, to access the second servo loop；
First Lock protective circuit and the second Lock protective circuit share a control module.
6. the Lock protective circuit of brush motor, it is characterised in that including vehicle window recognition by pressing keys module (5), signal feedback module
(7), switch module (6) and control module (8), wherein, the switch module (6) includes the first access point and the second access point,
Second access point of the switch module (6) by the signal feedback module (7) be connected to vehicle anode (+
BAT), the vehicle window recognition by pressing keys module (5) is connected in parallel at first access point, and the switch module (6), vehicle window button are known
Other module (5) and signal feedback module (7) are commonly connected to the control module (8)；
The vehicle window recognition by pressing keys module (5) is exported to control module (8) for obtaining push button signalling；
The signal feedback module (7) is exported to the control module (8) for obtaining pulse wave signal；
The control module (8) is exported to the switch according to the push button signalling or/and pulse wave signal generation drive signal
Module (6), controls the switch module (6) to be switched between first access point and second access point.
7. Lock protective circuit according to claim 6, it is characterised in that the switch module (6) includes that relay drives
Dynamic circuit (61) and relay switch (JD), the first contact of the relay switch (JD) connect to form described with the second contact
First access point, the first contact of the relay switch (JD) connects to form second access point with the 3rd contact, wherein,
The relay drive circuit (61) is connected with the control module (8), receives the driving letter of the control module (8)
Number, the first contact for controlling the relay switch (JD) according to the drive signal is cut between the second contact and the 3rd contact
Change.
8. Lock protective circuit according to claim 7, it is characterised in that the signal feedback module includes load cell device
Part (R), one-level discharge circuit (A1) and two grades of discharge circuits (A2), wherein,
Load component (R) one end and the 3rd contact series, the other end are connected with the anode (+BAT) of vehicle,
The one-level discharge circuit (A1) is connected in parallel on the load component two ends, the input connection of two grades of discharge circuits (A2)
The output end of the one-level discharge circuit (A1), the output end of two grades of discharge circuits (A2) connects the control module；
The one-level discharge circuit (A1) obtains the voltage output for loading component (R) two ends to two grades of discharge circuits
(A2), two grades of discharge circuits (A2) are defeated according to the voltage change generation pulse wave signal at described load component (R) two ends
Go out to the control module (8).
9. the Lock protective circuit according to claim any one of 6-8, it is characterised in that the vehicle window recognition by pressing keys module
Including the first divider resistance (R4), the second divider resistance (R5), the 3rd divider resistance (R6), derided capacitors (C1) and triode
(Q1), wherein,
Described first divider resistance (R4) one end is connected to first access point, and the other end connects the base of the triode (Q1)
Pole；
Described second divider resistance (R5) one end is connected with the colelctor electrode of the triode (Q1), other end connection positive source (+
Vcc)；
Described 3rd divider resistance (R6) one end connects the base stage of the triode (Q1), other end ground connection；
Described derided capacitors (C1) one end connects the base stage of the triode (Q1), other end ground connection；
The grounded emitter of the triode (Q1)；
Push button signalling monitoring point, the push button signalling are provided between the colelctor electrode of second divider resistance and triode (Q1)
Monitoring point (M) is connected to the control module (8).
10. the motor rotation blockage protection device of power windows, it is characterised in that including：First connector (1), the second connector
(2), the 3rd connector (3) and apparatus main body (40), described device main body (40) are provided with the 4th connector (4), described first
Connector (1) and the second connector (2) are connected to the by the 3rd connector (3) and the 4th connector (4) respectively
Primary Ioops and second servo loop；
The 3rd Lock protective circuit and the 4th Lock protective circuit are included in described device main body (40), the 3rd stall is protected
Protection circuit and the 4th Lock protective circuit are the Lock protective circuit of the brush motor described in any one of claim 6 to 9,
The two ends of the first access point that the 3rd Lock protective circuit passes through switch module therein connect the 4th connection
Device, to access first loop；
The two ends of the first access point that the 4th Lock protective circuit passes through switch module therein connect the 4th connection
Device, to access the second servo loop；
Wherein, the 3rd Lock protective circuit and the 4th Lock protective circuit share a control module, and share one
Individual signal feedback module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423643.8U CN206250753U (en) | 2016-12-22 | 2016-12-22 | The Lock protective circuit of brush motor and the motor rotation blockage protection device of power windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423643.8U CN206250753U (en) | 2016-12-22 | 2016-12-22 | The Lock protective circuit of brush motor and the motor rotation blockage protection device of power windows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250753U true CN206250753U (en) | 2017-06-13 |
Family
ID=59008863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423643.8U Active CN206250753U (en) | 2016-12-22 | 2016-12-22 | The Lock protective circuit of brush motor and the motor rotation blockage protection device of power windows |
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| Country | Link |
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| CN (1) | CN206250753U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859899A (en) * | 2018-03-27 | 2018-11-23 | 上海科世达-华阳汽车电器有限公司 | A kind of control method of vehicle-mounted small table plate, controller and vehicle-mounted small table plate |
| CN109709484A (en) * | 2019-01-26 | 2019-05-03 | 西安慧晶智能科技有限公司 | A kind of brush direct current motor rotation-blocking up detection device and method |
| CN117250495A (en) * | 2023-11-16 | 2023-12-19 | 广州三晶电气股份有限公司 | Key adhesion detection device |
| CN117250495B (en) * | 2023-11-16 | 2024-04-26 | 广州三晶电气股份有限公司 | Key adhesion detection device |
-
2016
- 2016-12-22 CN CN201621423643.8U patent/CN206250753U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859899A (en) * | 2018-03-27 | 2018-11-23 | 上海科世达-华阳汽车电器有限公司 | A kind of control method of vehicle-mounted small table plate, controller and vehicle-mounted small table plate |
| CN108859899B (en) * | 2018-03-27 | 2021-07-02 | 上海科世达-华阳汽车电器有限公司 | Control method and controller of vehicle-mounted small table and vehicle-mounted small table |
| CN109709484A (en) * | 2019-01-26 | 2019-05-03 | 西安慧晶智能科技有限公司 | A kind of brush direct current motor rotation-blocking up detection device and method |
| CN117250495A (en) * | 2023-11-16 | 2023-12-19 | 广州三晶电气股份有限公司 | Key adhesion detection device |
| CN117250495B (en) * | 2023-11-16 | 2024-04-26 | 广州三晶电气股份有限公司 | Key adhesion detection device |
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