CN103334669B - Control circuit of automotive window direct current motor - Google Patents
Control circuit of automotive window direct current motor Download PDFInfo
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- CN103334669B CN103334669B CN201310247677.0A CN201310247677A CN103334669B CN 103334669 B CN103334669 B CN 103334669B CN 201310247677 A CN201310247677 A CN 201310247677A CN 103334669 B CN103334669 B CN 103334669B
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Abstract
The invention provides a kind of control circuit of automotive window direct current motor, comprising: the first MOS transistor, the second MOS transistor, the 3rd MOS transistor, the 4th MOS transistor, control signal produce circuit, logic OR circuit and window locations object sensor; The source electrode of the first MOS transistor and the source electrode of the 3rd MOS transistor are connected to power supply; The source electrode of the second MOS transistor and the source ground of the 4th MOS transistor; The drain electrode of the first MOS transistor is connected with the drain electrode of the second MOS transistor, and is connected to the first port of window direct-current motor; The drain electrode of the 3rd MOS transistor is connected with the drain electrode of the 4th MOS transistor, and is connected to the second port of window direct-current motor.
Description
Technical field
The present invention relates to field of automobile design, more particularly, the present invention relates to a kind of control circuit of automotive window direct current motor.
Background technology
Present automobile generally all adopts power-operated window system.Power-operated window system uses motor to control the lifting of glass for vehicle window, easy to operate.Motor refers to a kind of calutron realizing electric energy conversion (in window direct-current motor, referring to converting electric energy is mechanical energy) according to the law of electromagnetic induction or transmit.The Main Function of motor produces driving torque, thus as the power source of electrical appliance or various machinery.
In recent years, the application of window direct-current motor is more and more extensive, and the control of window direct-current motor is also more aobvious important.Specifically, such as, after the DC permanent magnet motor in electric lifting device for window glass of vehicle connects rated current, rotating shaft Driving Torque, after turbine and worm slows down, then be delivered to curled hair cylinder by buffering coupling, drive curled hair cylinder to rotate, steel wire is pulled be arranged on the sliding support of glass bracket to move up and down in guide rail, reach the object of lifting glass for vehicle window.
The rising of glass for vehicle window and decline can realize by the sense of current changed in window direct-current motor.Specifically, by changing the sense of current flowing through window direct-current motor, the direction of rotation of window direct-current motor can be changed, realizes rising and the decline of glass for vehicle window thus.
But the control circuit for controlling window direct-current motor rotating of the prior art is more single, and circuit structure relative complex, design flexibility can not adapt to the flexibility of existing car control master-plan well.
Summary of the invention
Technical problem to be solved by this invention is for there is above-mentioned defect in prior art, provides a kind of structure simple and can improve the control circuit of automotive window direct current motor of designer's design flexibility.
According to the present invention, provide a kind of control circuit of automotive window direct current motor, it comprises:
First MOS transistor, the second MOS transistor, the 3rd MOS transistor and the 4th MOS transistor;
The source electrode of the first MOS transistor and the source electrode of the 3rd MOS transistor are connected to power supply;
The source electrode of the second MOS transistor and the source ground of the 4th MOS transistor;
The drain electrode of the first MOS transistor is connected with the drain electrode of the second MOS transistor, and is connected to the first port of window direct-current motor;
The drain electrode of the 3rd MOS transistor is connected with the drain electrode of the 4th MOS transistor, and is connected to the second port of window direct-current motor.
Preferably, described control circuit of automotive window direct current motor also comprises: control signal produces circuit, logic OR circuit and window locations object sensor;
Wherein, the output of window locations object sensor is connected to the first input end of logic OR circuit, and the first input end thus to logic OR circuit transmits sensing signal;
Wherein, whether window locations object sensor exists object for sensing window openings, and there is to the first input end transmission of logic OR circuit when not sensing object the sensing signal of the first magnitude of voltage, there is to the first input end transmission of logic OR circuit when sensing object the sensing signal of the second magnitude of voltage;
And wherein, the first MOS transistor and the 3rd MOS transistor are PMOS transistor, and the second MOS transistor and the 4th MOS transistor are nmos pass transistors;
The grid of the first MOS transistor is connected with the grid of the second MOS transistor, and is connected to control signal generation circuit to receive the first control signal;
The grid of the 3rd MOS transistor is connected with the grid of the 4th MOS transistor, and is connected to the output of logic OR circuit;
Second input of logic OR circuit is connected to control signal and produces circuit to receive the second control signal;
Control signal produces circuit for generation of the first control signal and the second control signal, and to make one in the first control signal and the second control signal to have the first magnitude of voltage, another in the first control signal and the second control signal has the second magnitude of voltage.
Preferably, the first magnitude of voltage=0V, the second magnitude of voltage=Vcc.
Preferably, the first MOS transistor and the 3rd MOS transistor are identical PMOS transistor, and the second MOS transistor and the 4th MOS transistor are identical nmos pass transistors.
In control circuit of automotive window direct current motor of the present invention, window direct-current motor rotating can be controlled simply by two contrary control signals, improves the simplicity of design; And, arrange window locations object sensor, it can not affect window direct-current motor rotating when object not detected, but make to only have the rotation in a direction to be feasible when object being detected, this feasible direction can be set to vehicle window decline, then can effectively avoid vehicle window to rise and produce with the collision of the object at vehicle window place, such as prevent tong.
Thus, the invention provides a kind of structure simple and the control circuit of automotive window direct current motor of designer's design flexibility can be improved.
Accompanying drawing explanation
By reference to the accompanying drawings, and by reference to detailed description below, will more easily there is more complete understanding to the present invention and more easily understand its adjoint advantage and feature, wherein:
Fig. 1 schematically shows the schematic diagram of control circuit of automotive window direct current motor according to the preferred embodiment of the invention.
It should be noted that, accompanying drawing is for illustration of the present invention, and unrestricted the present invention.Note, represent that the accompanying drawing of structure may not be draw in proportion.Further, in accompanying drawing, identical or similar element indicates identical or similar label.
Embodiment
In order to make content of the present invention clearly with understandable, below in conjunction with specific embodiments and the drawings, content of the present invention is described in detail.
Fig. 1 schematically shows the schematic diagram of control circuit of automotive window direct current motor according to the preferred embodiment of the invention.
Specifically, as shown in Figure 1, control circuit of automotive window direct current motor comprises according to the preferred embodiment of the invention: the first MOS transistor M1, the second MOS transistor M2, the 3rd MOS transistor M3 and the 4th MOS transistor M4.
The source electrode of the first MOS transistor M1 and the source electrode of the 3rd MOS transistor M3 are connected to power Vcc.
The source electrode of the second MOS transistor M2 and the source ground GND of the 4th MOS transistor M4.
The drain electrode of the first MOS transistor M1 is connected with the drain electrode of the second MOS transistor M2, and is connected to the first port 11 of window direct-current motor 10.
The drain electrode of the 3rd MOS transistor M3 is connected with the drain electrode of the 4th MOS transistor M4, and is connected to the second port one 2 of window direct-current motor 10.
Control circuit of automotive window direct current motor also comprises according to the preferred embodiment of the invention: control signal produces circuit 40, logic OR circuit 20 and window locations object sensor 30.
Wherein, the output of window locations object sensor 30 is connected to the first input end of logic OR circuit 20, and the first input end thus to logic OR circuit 20 transmits sensing signal S0.
Wherein, whether window locations object sensor 30 exists object for sensing window openings, and there is to the first input end transmission of logic OR circuit 20 when not sensing object the sensing signal S0 of the first magnitude of voltage (logical zero), there is to the first input end transmission of logic OR circuit 20 when sensing object the sensing signal S0 of the second magnitude of voltage (logical one).
And wherein, the first MOS transistor M1 and the 3rd MOS transistor M3 is PMOS transistor, and the second MOS transistor M2 and the 4th MOS transistor M4 is nmos pass transistor.
Preferably, first MOS transistor M1 and the 3rd MOS transistor M3 is identical PMOS transistor (such as having same size), and the second MOS transistor M2 and the 4th MOS transistor M4 is identical nmos pass transistor (such as having same size).
The grid of the first MOS transistor M1 is connected with the grid of the second MOS transistor M2, and is connected to control signal generation circuit 40 to receive the first control signal S1.
The grid of the 3rd MOS transistor M3 is connected with the grid of the 4th MOS transistor M4, and is connected to the output of logic OR circuit 20.
Second input of logic OR circuit 20 is connected to control signal and produces circuit 40 to receive the second control signal S2.
Control signal produces circuit 40 and produces the first control signal S1 and the second control signal S2 for (such as according to the driving window of user or the operation of pass vehicle window), to make one in the first control signal S1 and the second control signal S2 to have the first magnitude of voltage, another in the first control signal S1 and the second control signal S2 has the second magnitude of voltage.
Such as, the first magnitude of voltage=0V, the second magnitude of voltage=Vcc.
Like this, the first MOS transistor M1 and the second MOS transistor M2 only has a transistor turns at any time; 3rd MOS transistor M3 and the 4th MOS transistor M4 only has a transistor turns at any time.And, when the first MOS transistor M1 and the paired conducting of the 4th MOS transistor M4, the second MOS transistor M2 and the paired conducting of the 3rd MOS transistor M3, thus the current of electric direction that formation two kinds is different.
Can find out, state in the control circuit of automotive window direct current motor of preferred embodiment on the invention, window direct-current motor rotating can be controlled simply by two contrary control signals, improves the simplicity of design; And, arrange window locations object sensor, it can not affect window direct-current motor rotating when object not detected, but make to only have the rotation in a direction to be feasible when object being detected, this feasible direction can be set to vehicle window decline, then can effectively avoid vehicle window to rise and produce with the collision of the object at vehicle window place, such as prevent tong.
Thus, to provide a kind of structure simple and can improve the control circuit of automotive window direct current motor of designer's design flexibility for above preferred embodiment of the present invention.
In addition, it should be noted that, unless otherwise indicated, otherwise the term " first " in specification, " second ", " the 3rd " etc. describe only for distinguishing each assembly, element, step etc. in specification, instead of for representing logical relation between each assembly, element, step or ordinal relation etc.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (3)
1. a control circuit of automotive window direct current motor, is characterized in that comprising:
First MOS transistor, the second MOS transistor, the 3rd MOS transistor and the 4th MOS transistor;
The source electrode of the first MOS transistor and the source electrode of the 3rd MOS transistor are connected to power supply;
The source electrode of the second MOS transistor and the source ground of the 4th MOS transistor;
The drain electrode of the first MOS transistor is connected with the drain electrode of the second MOS transistor, and is connected to the first port of window direct-current motor;
The drain electrode of the 3rd MOS transistor is connected with the drain electrode of the 4th MOS transistor, and is connected to the second port of window direct-current motor;
Control signal produces circuit, logic OR circuit and window locations object sensor;
Wherein, the output of window locations object sensor is connected to the first input end of logic OR circuit, and the first input end thus to logic OR circuit transmits sensing signal;
Wherein, whether window locations object sensor exists object for sensing window openings, and there is to the first input end transmission of logic OR circuit when not sensing object the sensing signal of the first magnitude of voltage, there is to the first input end transmission of logic OR circuit when sensing object the sensing signal of the second magnitude of voltage;
And wherein, the first MOS transistor and the 3rd MOS transistor are PMOS transistor, and the second MOS transistor and the 4th MOS transistor are nmos pass transistors;
The grid of the first MOS transistor is connected with the grid of the second MOS transistor, and is connected to control signal generation circuit to receive the first control signal;
The grid of the 3rd MOS transistor is connected with the grid of the 4th MOS transistor, and is connected to the output of logic OR circuit;
Second input of logic OR circuit is connected to control signal and produces circuit to receive the second control signal;
Control signal produces circuit for generation of the first control signal and the second control signal, and to make one in the first control signal and the second control signal to have the first magnitude of voltage, another in the first control signal and the second control signal has the second magnitude of voltage.
2. control circuit of automotive window direct current motor according to claim 1, is characterized in that, the first magnitude of voltage=0V, the second magnitude of voltage=Vcc.
3. control circuit of automotive window direct current motor according to claim 1, is characterized in that, the first MOS transistor and the 3rd MOS transistor are identical PMOS transistor, and the second MOS transistor and the 4th MOS transistor are identical nmos pass transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310247677.0A CN103334669B (en) | 2013-06-19 | 2013-06-19 | Control circuit of automotive window direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310247677.0A CN103334669B (en) | 2013-06-19 | 2013-06-19 | Control circuit of automotive window direct current motor |
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| CN103334669A CN103334669A (en) | 2013-10-02 |
| CN103334669B true CN103334669B (en) | 2016-02-10 |
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| CN201310247677.0A Active CN103334669B (en) | 2013-06-19 | 2013-06-19 | Control circuit of automotive window direct current motor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354438B (en) * | 2013-06-19 | 2016-06-29 | 宁波普林斯电机有限公司 | Vehicle-window direct-current motor positive inversion control circuit |
| CN114428468A (en) * | 2021-09-29 | 2022-05-03 | 上海芯圣电子股份有限公司 | Electric tooth set chip with entrance detection function |
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| CN203296562U (en) * | 2013-06-19 | 2013-11-20 | 宁波恒特汽车零部件有限公司 | Circuit structure used for controlling forward rotation and reverse rotation of car window direct-current motor |
| CN203504457U (en) * | 2013-06-19 | 2014-03-26 | 宁波普林斯电机有限公司 | Vehicle window direct current motor positive and negative rotating control circuit |
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| GB1462190A (en) * | 1973-12-13 | 1977-01-19 | Feaver J L | Reversing switch |
| US5552683A (en) * | 1993-02-23 | 1996-09-03 | Aerospatiale Societe Nationale Industrielle | Method of controlling a reversible electric device |
| CN2842872Y (en) * | 2005-10-13 | 2006-11-29 | 比亚迪股份有限公司 | DC motor with control circuit |
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| CN103334669A (en) | 2013-10-02 |
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Effective date of registration: 20230620 Address after: 315000 fengshuigang village, Gulin Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: NINGBO HENGTE AUTOMOBILE PARTS Co.,Ltd. Address before: 315176 Zhejiang province Ningbo Yinzhou District Gulin town water port village Patentee before: NINGBO PULINSI MOTOR Co.,Ltd. |