CN210351046U - Seat adjusting motor control circuit and control system - Google Patents
Seat adjusting motor control circuit and control system Download PDFInfo
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- CN210351046U CN210351046U CN201921582909.7U CN201921582909U CN210351046U CN 210351046 U CN210351046 U CN 210351046U CN 201921582909 U CN201921582909 U CN 201921582909U CN 210351046 U CN210351046 U CN 210351046U
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Abstract
The embodiment of the utility model discloses seat adjustment motor control circuit and control system. The circuit includes a first motor drive circuit: the level input control end of the first motor driving circuit is electrically connected with the microcontroller and is used for receiving a level control signal sent by the microcontroller and controlling the rotation direction of the motor; and the level input control end of the second motor driving circuit is electrically connected with the microcontroller and is used for receiving a level control signal sent by the microcontroller to drive the first motor, the second motor or the third motor to operate. The utility model discloses technical scheme can realize two three motors of relay control in the seat adjustment motor control circuit, has reduced relay quantity, has simplified circuit structure and has reduced the controller cost.
Description
Technical Field
The embodiment of the invention relates to the field of motor drive control, in particular to a seat adjusting motor control circuit and a seat adjusting motor control system.
Background
The adjustment of current car seat mainly includes the adjustment etc. of antedisplacement, retrusion, preceding lift, back lift and back, along with the improvement to car seat travelling comfort requirement, the seat regulation tends to the diversification.
Generally, a plurality of motors are required to be configured for seat adjustment, and for a multi-motor seat, a single relay is used for controlling a single motor in the current control strategy, so that the controller is high in cost and complex in circuit.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a seat adjustment motor control circuit and control system to two three motors of relay control have simplified circuit structure among the realization seat adjustment motor control circuit, have reduced the controller cost.
In a first aspect, an embodiment of the present invention provides a seat adjustment motor control circuit, including: a first motor drive circuit and a second motor drive circuit;
the level input control end of the first motor driving circuit and the level input control end of the second motor driving circuit are respectively electrically connected with the microcontroller;
the first output end of the first motor driving circuit is electrically connected with the first input ends of the first motor, the second motor and the third motor respectively, and the second output end of the first motor driving circuit is electrically connected with the first output end of the second motor driving circuit;
a second output end of the second motor driving circuit is electrically connected with a second input end of the first motor, a third output end of the second motor driving circuit is electrically connected with a second input end of the second motor, and a fourth output end of the second motor driving circuit is electrically connected with a second input end of the third motor;
the first motor driving circuit receives the level control signal sent by the microcontroller and controls the rotation direction of the motor, and the second motor driving circuit receives the level control signal sent by the microcontroller and drives the first motor, the second motor or the third motor to operate.
Optionally, the first motor drive circuit comprises a first switching circuit and a first relay;
the first switching circuit includes: the first level input control end and the second level input control end are respectively electrically connected with the microcontroller, the first enabling end is electrically connected with a first receiving end of the first relay, and the second enabling end is electrically connected with a second receiving end of the first relay;
the first output end of the first relay is the first output end of the first motor driving circuit, and the second output end of the first relay is the second output end of the first motor driving circuit;
the second motor driving circuit comprises a second switching circuit and a second relay;
the second switching circuit includes: the first level input control end and the second level input control end are respectively electrically connected with the microcontroller, the first enabling end is electrically connected with a first receiving end of the second relay, and the second enabling end is electrically connected with a second receiving end of the second relay;
and the first output end of the second relay is the first output end of the second motor driving circuit.
Optionally, the first switching circuit includes: the circuit comprises a first triode, a second triode, a first resistor, a second resistor, a third resistor and a fourth resistor; the first end of the first resistor is connected with the first level input control end of the first switching circuit, the second end of the first resistor is connected with the first end of the second resistor and the base electrode of the first triode, and the second end of the second resistor is connected with the emitting electrode of the first triode; an emitting electrode of the first triode is connected with a ground wire, and a collector of the first triode is a first enabling end of the first switching circuit; a first end of the third resistor is connected with a second level input control end of the first switching circuit, a second end of the third resistor is connected with a first end of the fourth resistor and a base electrode of the second triode, and a second end of the fourth resistor is connected with an emitting electrode of the second triode; and the emitter of the second triode is connected with the ground wire, and the collector of the second triode is the second enabling end of the first switching circuit.
Optionally, the first relay includes a first coil, a second coil, a first end movable contact, a second end movable contact, a first end first contact, a first end second contact, a second end first contact, and a second end second contact; the first end of the first coil is connected with the first enabling end of the first switch circuit, the first end of the second coil is connected with the second enabling end of the first switch circuit, and the second end of the first coil and the second end of the second coil are both connected to a first power supply; the first end first contact and the second end first contact are electrically connected with a ground wire, and the first end second contact and the second end second contact are electrically connected with a second power supply; the first end movable contact is electrically connected with the first output end of the first relay; the second end movable contact is electrically connected with the second output end of the first relay;
wherein the first coil is electrified, and the first end movable contact is electrically connected with the first end second contact; the first coil is powered off, and the first end movable contact is electrically connected with the first end first contact; the second coil is electrified, and the second end movable contact is electrically connected with the second end second contact; the second coil is de-energized, and the second end movable contact is electrically connected with the second end first contact.
Optionally, the second switching circuit includes: the third triode, the fourth triode, the fifth resistor, the sixth resistor, the seventh resistor and the eighth resistor; a first end of the fifth resistor is connected with a first level input control end of the second switching circuit, a second end of the fifth resistor is connected with a first end of the sixth resistor and a base electrode of a third triode, and a second end of the sixth resistor is connected with an emitting electrode of the third triode; an emitting electrode of the third triode is connected with a ground wire, and a collector of the third triode is a first enabling end of the second switching circuit; a first end of the seventh resistor is connected with a second level input control end of the second switching circuit, a second end of the seventh resistor is connected with a first end of the eighth resistor and a base electrode of the fourth triode, and a second end of the eighth resistor is connected with an emitting electrode of the fourth triode; and an emitter of the fourth triode is connected with a ground wire, and a collector of the fourth triode is a second enabling end of the second switching circuit.
Optionally, the second relay includes a third coil, a fourth coil, a third movable contact, a fourth movable contact, a third first contact, a third second contact, a fourth first contact, and a fourth second contact; a first end of the third coil is connected with a first enabling end of the second switching circuit, a first end of the fourth coil is connected with a second enabling end of the second switching circuit, and a second end of the third coil and a second end of the fourth coil are both connected to the first power supply; the third end first contact is connected with the second input end of the second motor, the fourth end first contact is connected with the second input end of the first motor, and the third end second contact is connected with the second input end of the third motor; the fourth end second contact is electrically connected with the third end movable contact; the fourth end movable contact is electrically connected with the first output end of the second relay;
wherein the third coil is electrified, and the third end movable contact is electrically connected with the third end second contact; the third coil is powered off, and the third end movable contact is electrically connected with the third end first contact; the fourth coil is electrified, and the fourth end movable contact is electrically connected with the fourth end second contact; and the fourth coil is powered off, and the fourth end movable contact is electrically connected with the fourth end first contact.
In a second aspect, an embodiment of the present invention further provides a seat adjustment motor control system, which includes a microcontroller, a plurality of motors, and at least one seat adjustment motor control circuit provided in an embodiment of the first aspect of the present invention;
wherein the ratio of the number of the motors to the number of the seat adjusting motor control circuits is equal to 3.
The utility model provides a seat adjustment motor control circuit can start the operation through two three motors of motor drive circuit control, has simplified circuit structure, has reduced the controller cost, has fine application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a seat adjustment motor control circuit according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a seat adjustment motor control circuit according to a second embodiment of the present invention;
fig. 3 is an equivalent circuit diagram of a first motor driving circuit in a seat adjusting motor control circuit according to a third embodiment of the present invention;
fig. 4 is an equivalent circuit diagram of a second motor driving circuit in the seat adjusting motor control circuit according to the third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a seat adjustment motor control system according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of a seat adjustment motor control circuit according to an embodiment of the present invention, as shown in fig. 1, the seat adjustment motor control circuit includes: the first motor driving circuit 2 and the second motor driving circuit 3, the level input control end 21 of the first motor driving circuit 2 and the level input control end 31 of the second motor driving circuit 3 are respectively electrically connected with the microcontroller 1, the first output end 22 of the first motor driving circuit 2 is respectively electrically connected with the first input end 41 of the first motor 4, the first input end 51 of the second motor 5 and the first input end 61 of the third motor 6, and the second output end 23 of the first motor driving circuit 2 is electrically connected with the first output end 32 of the second motor driving circuit 3; the second output end 33 of the second motor driving circuit 3 is electrically connected with the second input end 42 of the first motor 4, the third output end 34 of the second motor driving circuit 3 is electrically connected with the second input end 52 of the second motor 5, and the fourth output end 35 of the second motor driving circuit 3 is electrically connected with the second input end 62 of the third motor 6; the first motor driving circuit 2 receives the level control signal sent by the microcontroller 1 to control the motor rotation direction of each motor, and the second motor driving circuit 3 receives the level control signal sent by the microcontroller 1 to drive the first motor 4, the second motor 5 or the third motor 6 to operate.
In the technical solution of the above embodiment, the level input control terminal 21 of the first motor driving circuit 2 and the level input control terminal 31 of the second motor driving circuit 3 receive the level control signal outputted by the microcontroller 1, and the first motor 4, the second motor 5 and the third motor 6 are controlled to operate by the cooperation of the first motor driving circuit 2 and the second motor driving circuit 3, wherein the first output terminal 22 of the first motor driving circuit 2 outputs the level control signal to act on the first input terminal 41 of the first motor 4, the first input terminal 51 of the second motor 5 and the first input terminal 61 of the third motor 6, the second output terminal 33 of the second motor driving circuit 3 outputs the control signal to act on the second input terminal 42 of the first motor 4, the third output terminal 34 of the second motor driving circuit 3 outputs the level control signal to act on the second input terminal 52 of the second motor 5, the fourth output 35 of the second motor drive circuit 3 outputs a level control signal to the second input 62 of the third motor 6. When the first input end 41 of the first motor 4 is a high level control signal, the second input end 42 of the first motor is a low level control signal, the first motor 4 rotates forward, and when the first input end 41 of the first motor 4 is a low level control signal, the second input end 42 of the first motor 4 is a high level control signal, the first motor 4 rotates reversely; when the first input end 51 of the second motor 5 is a high level control signal, the second input end 52 of the second motor 5 is a low level control signal, the second motor 5 rotates forward, and when the first input end 51 of the second motor 5 is a low level control signal, the second input end 52 of the second motor 5 is a high level control signal, the second motor 5 rotates backward; when the first input end 61 of the third motor 6 is the high level control signal, the second input end 62 of the third motor 6 is the low level control signal, the third motor 6 rotates forward, and when the first input end 61 of the third motor 6 is the low level control signal, the second input end 62 of the third motor 6 is the high level control signal, the third motor 6 rotates backward.
The utility model discloses beneficial effect is through the three motor start-up operation of two motor drive circuit control, and microcontroller output level control signal acts on first motor drive circuit and second motor drive circuit, and first motor drive circuit and second motor drive circuit are through the three motor start-up operation of synergistic action control, have simplified circuit structure, have reduced the controller cost.
Example two
Fig. 2 is a schematic diagram of a seat adjusting motor control circuit structure provided in the second embodiment of the present invention, as shown in fig. 2, the first motor driving circuit 2 includes a first switching circuit 10 and a first relay 11, wherein the first switching circuit 10 includes: the relay comprises a first level input control end 100, a second level input control end 101, a first enable end 102 and a second enable end 103, wherein the first level input control end 100 and the second level input control end 101 are respectively electrically connected with the microcontroller 1, the first enable end 102 is electrically connected with a first receiving end 110 of the first relay 11, and the second enable end 103 is electrically connected with a second receiving end 111 of the first relay 11. The second motor drive circuit 3 includes a second switch circuit 12 and a second relay 13, wherein the second switch circuit 12 includes: the first relay circuit comprises a first level input control end 120, a second level input control end 121, a first enable end 122 and a second enable end 123, wherein the first level input control end 120 and the second level input control end 121 are respectively electrically connected with the microcontroller 1, the first enable end 122 is electrically connected with a first receiving end 130 of the second relay 13, and the second enable end 123 is electrically connected with a second receiving end 131 of the second relay 13.
In the technical solution of the above embodiment, the first level input control terminal 100 and the second level input control terminal 101 of the first switch circuit 10 respectively receive the level control signal output by the microcontroller 1, and after the first level input control terminal 100 and the second level input control terminal 101 of the first switch circuit 10 receive the level control signal, the first switch circuit 10 controls the first enable terminal 102 or the second enable terminal 103 to be enabled, so that the first relay 11 can be controlled to output a motor forward rotation control signal or a motor reverse rotation control signal, thereby implementing forward rotation or reverse rotation of each motor. The first level input control end 120 and the second level input control end 121 of the second switch circuit 12 respectively receive the level control signal output by the microcontroller 1, and after the first level input control end 120 and the second level input control end 121 of the second switch circuit 12 receive the level control signal, the second switch circuit 12 controls the second relay 13 to input the operation start signal to the first motor 4, the second motor 5 or the third motor 6.
The utility model discloses beneficial effect is after receiving the level control signal of microcontroller output through first switch circuit or second switch circuit, first relay of first switch circuit control output motor corotation control signal or motor reversal control signal, thereby realize the corotation or the reversal of each motor, second switch circuit control second relay to first motor, second motor or third motor input operation start signal, thereby can realize the effect of the three motor operation of two relay controls, compare in prior art every motor needs a relay control, the utility model provides a seat is adjusted motor control circuit and has been reduced the quantity of relay, has simplified circuit structure, has reduced the controller cost.
EXAMPLE III
Fig. 3 is an equivalent circuit diagram of a first motor driving circuit in the seat adjusting motor control circuit provided in the third embodiment of the present invention, as shown in fig. 3, the first motor driving circuit in the seat adjusting motor control circuit includes a first switch circuit 10 and a first relay 11, wherein the first switch circuit 10 includes: a first triode Q1, a second triode Q2, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4, wherein a first end of the first resistor R1 is connected with a first level input control end P11 of the first switch circuit 10, a second end of the first resistor R1 is connected with a first end of the second resistor R2 and a base of the first triode Q1, a second end of the second resistor R2 is connected with an emitter of the first triode Q1, an emitter of the first triode Q1 is connected with a ground wire, and a collector of the first triode Q1 is a first enable end S11 of the first switch circuit 10; a first end of the third resistor R3 is connected to the second level input control end P12 of the first switch circuit 10, a second end of the third resistor R3 is connected to a first end of the fourth resistor R4 and a base of the second transistor Q2, a second end of the fourth resistor R4 is connected to an emitter of the second transistor Q2, an emitter of the second transistor Q2 is connected to a ground line, and a collector of the second transistor Q2 is the second enable end S12 of the first switch circuit 10. A first relay 11 including a first coil L1, a second coil L2, a first end movable contact K1, a second end movable contact K2, a first end first contact K1a, a first end second contact K1b, a second end first contact K2a and a second end second contact K2b, a first end of the first coil L1 is connected with the first enable terminal S11 of the first switch circuit 10, a first end of the second coil L2 is connected with the second enable terminal S12 of the first switch circuit 10, a second end of the first coil L1 and a second end of the second coil L2 are both connected to the first power supply E1, a first end first contact K1a and a second end first contact K2a are electrically connected with the ground, a first end second contact K1b and a second end second contact K2b are electrically connected with the second power supply E2, a first end movable contact K1 is electrically connected with the first output terminal O11 of the first relay 11, and a second end movable contact K2 is electrically connected with the second output terminal O12 of the first relay 1. The first coil L1 is electrified, and the first end movable contact K1 is electrically connected with the first end second contact K1 b; the first coil L1 is powered off, and a first end movable contact K1 is electrically connected with the first end first contact K1 a; the second coil L2 is electrified, and the second end movable contact K2 is electrically connected with the second end second contact K2 b; the second coil L2 is de-energized, and the second end movable contact K2 is electrically connected with the second end first contact K2 a.
Fig. 4 is an equivalent circuit diagram of a second motor driving circuit in the seat adjusting motor control circuit provided in the third embodiment of the present invention, as shown in fig. 4, the second motor driving circuit in the seat adjusting motor control circuit includes a second switching circuit 12 and a second relay 13, wherein the second switching circuit 12 includes: a third triode Q3, a fourth triode Q4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7 and an eighth resistor R8, wherein a first end of the fifth resistor R5 is connected with a first level input control end P21 of the second switch circuit 12, a second end of the fifth resistor R5 is connected with a first end of the sixth resistor R6 and a base of the third triode Q3, a second end of the sixth resistor R6 is connected with an emitter of the third triode Q3, an emitter of the third triode Q3 is connected with the ground, and a collector of the third triode Q3 is a first enable end S21 of the second switch circuit 12; a first end of the seventh resistor R7 is connected to the second level input control end P22 of the second switch circuit 12, a second end of the seventh resistor R7 is connected to a first end of the eighth resistor R8 and a base of the fourth transistor Q4, a second end of the eighth resistor R8 is connected to an emitter of the fourth transistor Q4, an emitter of the fourth transistor Q4 is connected to a ground line, and a collector Q4 of the fourth transistor is a second enable end S22 of the second switch circuit 12. A second relay 13 comprising a third coil L3, a fourth coil L4, a third end movable contact K3 and a fourth end movable contact K4, a third terminal first contact K3a, a third terminal second contact K3b, a fourth terminal first contact K4a and a fourth terminal second contact K4b, the first end of the third coil L3 is connected with the first enable terminal S21 of the second switch circuit 12, the first end of the fourth coil L4 is connected with the second enable terminal S22 of the second switch circuit 12, the second end of the third coil L3 and the second end of the fourth coil L4 are both connected to the first power supply E1, the third terminal first contact K3a is connected with the second input terminal of the second motor M2, the fourth terminal first contact K4a is connected with the second input terminal of the first motor M1, the third terminal second contact K3b is connected with the second input terminal of the third motor M3, the fourth terminal second contact K4b is electrically connected with the third terminal movable contact K3, and the fourth movable contact K4 is electrically connected with the second movable contact K21. The third coil L3 is electrified, and the third-end movable contact K3 is electrically connected with the third-end second contact K3 b; the third coil L3 is de-energized, and the third end movable contact K3 is electrically connected with the third end first contact K3 a; the fourth coil L4 is electrified, and the fourth end movable contact K4 is electrically connected with the fourth end second contact K4 b; the fourth coil L4 is de-energized and the fourth movable contact point K4 is electrically connected with the fourth first contact point K4 a.
With reference to fig. 3 and 4, a specific control method of the seat adjusting motor control circuit is as follows: the first level input control end P11 of the first switch circuit 10 receives a level control signal output by the microcontroller 1 to control the first transistor Q1 to be turned on or off, when the first level input control end P11 receives a high level control signal, the first transistor Q1 is turned on, and the first coil L1 is powered, so that the first end movable contact K1 is connected with the first end second contact K1 b. When the first level input control end P11 receives a low level control signal, the first triode Q1 is disconnected, the first coil L1 is powered off, and the first end movable contact K1 is connected with the first end first contact K1 a; the second level input control terminal P12 of the first switch circuit 10 receives the level control signal outputted by the microcontroller 1 to control the second transistor Q2 to be turned on or off, when the second level input control terminal P12 receives the high level control signal, the second transistor Q2 is turned on, the second coil L2 is powered, so that the second end movable contact K2 is connected with the second end second contact K2 b. When the second level input control end P12 receives a low level control signal, the second triode Q2 is disconnected, the second coil L2 loses power, and the second end movable contact K2 is connected with the second end first contact K2 a; the first level input control end P21 of the second switch circuit 12 receives the level control signal output by the microcontroller 1 to control the third transistor Q3 to be turned on or off, when the first level input control end P21 receives the high level control signal, the third transistor Q3 is turned on, the third coil L3 is powered, so that the third end movable contact K3 is connected with the third end second contact K3 b. When the first level input control terminal P21 receives a low level control signal, the third transistor Q3 is turned off, the third coil L3 is de-energized, and the third terminal movable contact K3 is connected to the third terminal first contact K3 a. The second switch circuit 12 receives the level control signal output by the microcontroller 1 at the second level input control terminal P22 to control the fourth transistor Q4 to be turned on or off, when the second level input control terminal P22 receives the high level control signal, the fourth transistor Q4 is turned on, the fourth coil L4 is powered on, so that the fourth movable contact K4 is connected to the fourth second contact K4b, when the second level input control terminal P22 receives the low level control signal, the fourth transistor Q4 is turned off, the fourth coil L4 is powered off, and the fourth movable contact K4 is connected to the fourth first contact K4 a.
In the first case, the first level input control terminal P11 of the first switch circuit 10 receives a high level control signal, the second level input control terminal P12 of the first switch circuit 10 receives a low level control signal, the first level input control terminal P21 of the second switch circuit 12 receives a low level control signal, the second level input control terminal P22 of the second switch circuit 12 receives a low level control signal, the first transistor Q1 is turned on, the second transistor Q2, the third transistor Q3 and the fourth transistor Q4 are turned off, the first coil L1 is powered on, the second coil L2, the third coil L3 and the fourth coil L4 are powered off, the first end movable contact K1 is electrically connected to the first end second contact K1b, the second end movable contact K2 is electrically connected to the second end first contact K2a, the third end movable contact K3 is electrically connected to the third end movable first contact K a, the fourth end movable contact K4 is electrically connected to the fourth end movable contact K364K a, the first output end O11 of the first relay 11 is connected with the first input ends of the first motor, the second motor and the third motor respectively, the second output end O12 of the first relay 11 is connected with the first output end O21 of the second relay 13, and since the fourth end movable contact K4 is electrically connected with the fourth end first contact K4a, the second input end of the first motor is connected with the ground wire, and the first motor rotates forwards.
In the second case, the first level input control terminal P11 of the first switch circuit 10 receives a high level control signal, the second level input control terminal P12 of the first switch circuit 10 receives a low level control signal, the first level input control terminal P21 of the second switch circuit 12 receives a low level control signal, the second level input control terminal P22 of the second switch circuit 12 receives a high level control signal, the first transistor Q1 and the fourth transistor Q4 are turned on, the second transistor Q2 and the third transistor Q3 are turned off, the first coil L1 and the fourth coil L4 are powered on, the second coil L2 and the third coil L3 are powered off, the first end movable contact K1 is electrically connected to the first end second contact K1b, the second end movable contact K2 is electrically connected to the second end first contact K2a, the third end movable contact K3 is electrically connected to the third end movable first contact K a, the fourth end movable contact K4 is electrically connected to the fourth end movable contact K364K b, the first output end O11 of the first relay 11 is connected with the first input ends of the first motor, the second motor and the third motor respectively, the second output end O12 of the first relay 11 is connected with the first output end O21 of the second relay, and because the fourth end movable contact K4 is electrically connected with the fourth end second contact K4b and the third end movable contact K3 is electrically connected with the fourth end second contact K4b, the second input end of the second motor is connected with the ground wire, and the second motor rotates forwards.
In the third case, the first level input control terminal P11 of the first switch circuit 10 receives a high level control signal, the second level input control terminal P12 of the first switch circuit 10 receives a low level control signal, the first level input control terminal P21 of the second switch circuit 12 receives a high level control signal, the second level input control terminal P22 of the second switch circuit 12 receives a high level control signal, the first transistor Q1, the third transistor Q3 and the fourth transistor Q4 are turned on, the second transistor Q2 is turned off, the first coil L1, the third coil L3 and the fourth coil L4 are powered, the second coil L2 is powered off, the first end movable contact K1 is electrically connected to the first end second contact K1b, the second end movable contact K2 is electrically connected to the second end first contact K2a, the third end movable contact K3 is electrically connected to the third end second contact K b, the fourth end movable contact K4 is electrically connected to the fourth end first end movable contact K364, the first output end O11 of the first relay 11 is respectively connected with the first input ends of the first motor, the second motor and the third motor, the second output end O12 of the first relay 11 is connected with the first output end O21 of the second relay, because the fourth end movable contact K4 is electrically connected with the fourth end second contact K4b, the third end movable contact K3 is electrically connected with the third end second contact K3b, the third end movable contact K3 is electrically connected with the fourth end second contact K4b, the second input end of the third motor is connected with the ground wire of the motor, and the third motor rotates forwards.
In the first, second, and third cases, the first, second, and third motors are respectively rotated in the forward direction.
Based on the similar principle, in the fourth case, when the first level input control terminal P11 of the first switch circuit 10 receives the low level control signal, the second level input control terminal P12 of the first switch circuit 10 receives the high level control signal, the first level input control terminal P21 of the second switch circuit 12 receives the low level control signal, and the second level input control terminal P22 of the second switch circuit 12 receives the low level control signal, the first motor is reversed.
In the fifth case, the first level input control terminal P11 of the first switch circuit 10 receives the low level control signal, the second level input control terminal P12 of the first switch circuit 10 receives the low level control signal, the first level input control terminal P21 of the second switch circuit 12 receives the low level control signal, the second level input control terminal P22 of the second switch circuit 12 receives the high level control signal, and the second motor is reversed.
In the sixth case, the first level input control terminal P11 of the first switch circuit 10 receives the low level control signal, the second level input control terminal P12 of the first switch circuit 10 receives the high level control signal, the first level input control terminal P21 of the second switch circuit 12 receives the high level control signal, the second level input control terminal P22 of the second switch circuit 12 receives the high level control signal, and the third motor is reversed.
Example four
The embodiment of the utility model provides a fourth provides a seat adjustment motor control system, fig. 5 is the utility model provides a pair of seat adjustment motor control system's schematic structure diagram, as shown in fig. 5, seat adjustment motor control system includes microcontroller 1, a plurality of motor and at least one as above arbitrary implementation seat adjustment control circuit 200. Wherein, the ratio of the number of the motors in the seat adjusting motor control system to the number of the seat adjusting control circuits 200 is equal to 3.
It should be noted that fig. 5 exemplarily provides 2 seat adjustment control circuits 200, and each seat adjustment control circuit 200 can control the operation state of 3 motors. In other embodiments, the number of seat adjusting control circuits and the number of motors in the seat adjusting motor control system can be set according to actual requirements, and the utility model discloses do not limit to this. The embodiment of the utility model provides a owing to adopted above-mentioned arbitrary embodiment seat regulation control circuit, consequently have with the same beneficial effect of seat regulation control circuit.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. A seat adjustment motor control circuit, comprising: a first motor drive circuit and a second motor drive circuit;
the level input control end of the first motor driving circuit and the level input control end of the second motor driving circuit are respectively electrically connected with the microcontroller;
the first output end of the first motor driving circuit is electrically connected with the first input ends of the first motor, the second motor and the third motor respectively, and the second output end of the first motor driving circuit is electrically connected with the first output end of the second motor driving circuit;
a second output end of the second motor driving circuit is electrically connected with a second input end of the first motor, a third output end of the second motor driving circuit is electrically connected with a second input end of the second motor, and a fourth output end of the second motor driving circuit is electrically connected with a second input end of the third motor;
the first motor driving circuit receives the level control signal sent by the microcontroller and controls the rotation direction of the motor, and the second motor driving circuit receives the level control signal sent by the microcontroller and drives the first motor, the second motor or the third motor to operate.
2. The seat adjustment motor control circuit of claim 1, wherein:
the first motor driving circuit comprises a first switch circuit and a first relay;
the first switching circuit includes: the first level input control end and the second level input control end are respectively electrically connected with the microcontroller, the first enabling end is electrically connected with a first receiving end of the first relay, and the second enabling end is electrically connected with a second receiving end of the first relay;
the first output end of the first relay is the first output end of the first motor driving circuit, and the second output end of the first relay is the second output end of the first motor driving circuit;
the second motor driving circuit comprises a second switching circuit and a second relay;
the second switching circuit includes: the first level input control end and the second level input control end are respectively electrically connected with the microcontroller, the first enabling end is electrically connected with a first receiving end of the second relay, and the second enabling end is electrically connected with a second receiving end of the second relay;
and the first output end of the second relay is the first output end of the second motor driving circuit.
3. The seat adjustment motor control circuit of claim 2, wherein the first switching circuit comprises: the circuit comprises a first triode, a second triode, a first resistor, a second resistor, a third resistor and a fourth resistor; the first end of the first resistor is connected with the first level input control end of the first switching circuit, the second end of the first resistor is connected with the first end of the second resistor and the base electrode of the first triode, and the second end of the second resistor is connected with the emitting electrode of the first triode; an emitting electrode of the first triode is connected with a ground wire, and a collector of the first triode is a first enabling end of the first switching circuit; a first end of the third resistor is connected with a second level input control end of the first switching circuit, a second end of the third resistor is connected with a first end of the fourth resistor and a base electrode of the second triode, and a second end of the fourth resistor is connected with an emitting electrode of the second triode; and the emitter of the second triode is connected with the ground wire, and the collector of the second triode is the second enabling end of the first switching circuit.
4. The seat adjustment motor control circuit of claim 2, wherein the first relay comprises a first coil, a second coil, a first end movable contact, a second end movable contact, a first end first contact, a first end second contact, a second end first contact, and a second end second contact; the first end of the first coil is connected with the first enabling end of the first switch circuit, the first end of the second coil is connected with the second enabling end of the first switch circuit, and the second end of the first coil and the second end of the second coil are both connected to a first power supply; the first end first contact and the second end first contact are electrically connected with a ground wire, and the first end second contact and the second end second contact are electrically connected with a second power supply; the first end movable contact is electrically connected with the first output end of the first relay; the second end movable contact is electrically connected with the second output end of the first relay;
wherein the first coil is electrified, and the first end movable contact is electrically connected with the first end second contact; the first coil is powered off, and the first end movable contact is electrically connected with the first end first contact; the second coil is electrified, and the second end movable contact is electrically connected with the second end second contact; the second coil is de-energized, and the second end movable contact is electrically connected with the second end first contact.
5. The seat adjustment motor control circuit of claim 2, wherein said second switching circuit comprises: the third triode, the fourth triode, the fifth resistor, the sixth resistor, the seventh resistor and the eighth resistor; a first end of the fifth resistor is connected with a first level input control end of the second switching circuit, a second end of the fifth resistor is connected with a first end of the sixth resistor and a base electrode of a third triode, and a second end of the sixth resistor is connected with an emitting electrode of the third triode; an emitting electrode of the third triode is connected with a ground wire, and a collector of the third triode is a first enabling end of the second switching circuit; a first end of the seventh resistor is connected with a second level input control end of the second switching circuit, a second end of the seventh resistor is connected with a first end of the eighth resistor and a base electrode of the fourth triode, and a second end of the eighth resistor is connected with an emitting electrode of the fourth triode; and an emitter of the fourth triode is connected with a ground wire, and a collector of the fourth triode is a second enabling end of the second switching circuit.
6. The seat adjustment motor control circuit of claim 2, wherein the second relay comprises a third coil, a fourth coil, a third movable contact, a fourth movable contact, a third first contact, a third second contact, a fourth first contact, and a fourth second contact; a first end of the third coil is connected with a first enabling end of the second switching circuit, a first end of the fourth coil is connected with a second enabling end of the second switching circuit, and a second end of the third coil and a second end of the fourth coil are both connected to the first power supply; the third end first contact is connected with the second input end of the second motor, the fourth end first contact is connected with the second input end of the first motor, and the third end second contact is connected with the second input end of the third motor; the fourth end second contact is electrically connected with the third end movable contact; the fourth end movable contact is electrically connected with the first output end of the second relay;
wherein the third coil is electrified, and the third end movable contact is electrically connected with the third end second contact; the third coil is powered off, and the third end movable contact is electrically connected with the third end first contact; the fourth coil is electrified, and the fourth end movable contact is electrically connected with the fourth end second contact; and the fourth coil is powered off, and the fourth end movable contact is electrically connected with the fourth end first contact.
7. A seat adjustment motor control system comprising a microcontroller, a plurality of motors and at least one seat adjustment motor control circuit according to any one of claims 1-6;
wherein the ratio of the number of motors to the number of motor control circuits for the seat adjustment is equal to 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921582909.7U CN210351046U (en) | 2019-09-23 | 2019-09-23 | Seat adjusting motor control circuit and control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921582909.7U CN210351046U (en) | 2019-09-23 | 2019-09-23 | Seat adjusting motor control circuit and control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115038A (en) * | 2021-11-25 | 2022-03-01 | 上汽大众汽车有限公司 | Passenger car man-machine verification cabin intelligent regulation control system based on WIFI communication control and method thereof |
| CN115923617A (en) * | 2023-01-05 | 2023-04-07 | 中国第一汽车股份有限公司 | Control system and method of vehicle seat and vehicle |
-
2019
- 2019-09-23 CN CN201921582909.7U patent/CN210351046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115038A (en) * | 2021-11-25 | 2022-03-01 | 上汽大众汽车有限公司 | Passenger car man-machine verification cabin intelligent regulation control system based on WIFI communication control and method thereof |
| CN115923617A (en) * | 2023-01-05 | 2023-04-07 | 中国第一汽车股份有限公司 | Control system and method of vehicle seat and vehicle |
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