CN206217563U - The air conditioning for automobiles cycle throttle actuator of chip controls - Google Patents
The air conditioning for automobiles cycle throttle actuator of chip controls Download PDFInfo
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- CN206217563U CN206217563U CN201621154291.0U CN201621154291U CN206217563U CN 206217563 U CN206217563 U CN 206217563U CN 201621154291 U CN201621154291 U CN 201621154291U CN 206217563 U CN206217563 U CN 206217563U
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- air conditioning
- throttle actuator
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Abstract
The utility model provides a kind of air conditioning for automobiles cycle throttle actuator of chip controls, including shell and the output gear being placed in shell, gear reduction, motor and wiring board, the output gear is connected by gear reduction with motor, bullet brush is provided with the output gear, the wiring board is provided with carbon-film potentiometer and control chip, the bullet brush is contacted with the carbon-film potentiometer on wiring board, the position signalling of output gear is converted into voltage feedback signal and feeds back to the control chip, there are two state control ports being connected with the control chip on the wiring board, the motor is connected with the control chip signal, the control chip is according to two operations of the access voltage status and the voltage feedback signal control motor of state control port.The utility model can realize the automatic rest point of air conditioning for automobiles cycle throttle actuator, make the control circuit of the actuator control panel of outside simpler.
Description
Technical field
The utility model is related to the cycle throttle performs device on fan of car air conditioner assembly, more particularly to a kind of chip control
The air conditioning for automobiles cycle throttle actuator of system.
Background technology
Existing air conditioning for automobiles cycle throttle actuator is dynamic generally by automobile air conditioner control panel control actuator
Make, this needs control panel to sense actuator feedback voltage, control actuator to act by feedback voltage, such control
Panel circuit processed is complex, and the required precision for feedback voltage is higher, and intelligence degree is low.
Therefore, it is necessary to a kind of new air conditioning for automobiles cycle throttle actuator is designed, to solve the above problems.
Utility model content
The purpose of this utility model is the air conditioning for automobiles cycle throttle actuator for providing a kind of chip controls, it is intended to be used for
Solving existing air conditioning for automobiles cycle throttle actuator needs control panel to sense actuator feedback voltage, causes control
Panel circuit is complex, and the required precision for feedback voltage is higher, the low problem of intelligence degree.
What the utility model was realized in：
The utility model provides a kind of air conditioning for automobiles cycle throttle actuator of chip controls, including shell and is placed in outer
Output gear, gear reduction, motor and wiring board in shell, the output gear by gear reduction with
Motor is connected, it is characterised in that：Be provided with bullet brush on the output gear, the wiring board be provided with carbon-film potentiometer and
Control chip, the bullet brush is contacted with the carbon-film potentiometer on wiring board, and it is anti-that the position signalling of output gear is converted into voltage
Feedback signal feeds back to the control chip, has two state control ends being connected with the control chip on the wiring board
Mouthful, the control chip controls the driving according to the access state and the voltage feedback signal of two state control ports
The operation of motor.
Further, bullet brush rivet hot is on the plastic column of the output gear.
Further, the gear reduction includes the worm screw in the rotary shaft of the motor, with snail
The worm gear of bar drive connection, and the first reduction gearing and the second reduction gearing being connected with worm-gear toothing successively.
Further, the worm gear, first reduction gearing and second reduction gearing are respectively by passing through
The steel shaft of centre is fixed with the shell and can rotated relative to steel shaft.
Further, the shell includes upper shell and lower house, and the upper shell and the lower house are provided with right up and down
The boss hole answered, the steel shaft be assemblied in the boss hole and with boss hole interference fit.
Further, the control circuit connecting mode on the wiring board is as follows：The control chip uses TCA0372 cores
Piece, it has 8 pins, wherein, pin 1, pin 2 are input A pins, and pin 3, pin 4 are input B pins, and pin 7 is defeated
Go out A pins, pin 5 is output B pins, and pin 6, pin 8 are chip power pin, and pin 8 connects power supply ground, and pin 6 passes through two
Pole pipe D1 connects+12V voltages, and the positive pole of the motor is connected with pin 5, and negative pole is connected with pin 7, two state control ends
Mouth is connected with pin 2 and pin 4 simultaneously, resistor main body one end ground connection of the carbon-film potentiometer, another termination+12V voltages,
The sliding end of the carbon-film potentiometer is connected with pin 2 and pin 4.
Further, also including resistance R1, R2, R3, R4, R5, R6, R7, R8, resistance R1 is connected to the positive pole of diode D1
And pin 1 between, resistance R2 is connected between the positive pole of diode D1 and pin 8, and one end of resistance R3 is with diode D1's
Positive pole is connected, and the other end is connected with pin 2 and pin 4, and resistance R4 is connected between the negative pole of the motor and pin 1,
Resistance R5 is connected between the positive pole of the motor and pin 5, and resistance R6 is connected to the sliding end of the carbon-film potentiometer
And between pin 2 and pin 4, resistance R7, R8 are connected between two state control ports and pin 2 and pin 4.
Further, two wiring states of state control port have three kinds, are respectively：One state control port connects
12v power supplys, another state control port is hanging；One state control port is hanging, another state control port ground connection；Two
Individual state control port is hanging.
Compared with prior art, the utility model has the advantages that：
The air conditioning for automobiles cycle throttle actuator of this chip controls that the utility model is provided, by output gear position letter
Control circuit voltage feedback signal number is converted into, control chip is according to two access states and the electricity of state control port
Pressure feedback signal controls the operation of the motor so that bullet brush is parked in the rest point position of setting, realizes that air conditioning for automobiles is circulated
The Based Intelligent Control of air door executer, makes the control circuit of the actuator control panel of outside simpler, the work rest point of actuator
Position is more accurate, and safe and reliable, stability is high, practical.
Brief description of the drawings
A kind of structure of the air conditioning for automobiles cycle throttle actuator of chip controls that Fig. 1 is provided for the utility model embodiment
Exploded view；
A kind of control of the air conditioning for automobiles cycle throttle actuator of chip controls that Fig. 2 is provided for the utility model embodiment
Circuit.
Description of reference numerals：1- upper shells, 2- motor wires, 3- motors, 4- worm screws, 5- inserted sheets, 6- wiring boards, 7-
Bullet brush, 8- output gears, 9- lower houses, 10- boss holes, 11- steel shafts, 12- worm gears, the reduction gearing of 13- first, 14- second
Reduction gearing.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in figure 1, the utility model embodiment provides a kind of air conditioning for automobiles cycle throttle actuator of chip controls, bag
Include shell and the output gear 8, gear reduction, motor 3 and the wiring board 6 that are placed in shell, the output gear
Wheel 8 is connected by gear reduction with motor 3, and bullet brush 7 is provided with the output gear 8, is set on the wiring board 6
There are carbon-film potentiometer and control chip, the bullet brush 7 is contacted with the carbon-film potentiometer on wiring board 6, by the position of output gear 8
Signal is converted into voltage feedback signal and feeds back to the control chip, has two on the wiring board 6 with the control chip
The state control port of connection, the control chip is according to the access state of two state control ports and output gear 8
The corresponding voltage feedback signal of position signalling controls the operation of the motor 3, the different access of corresponding states control port
State, bullet brush 7 has different rest point positions, when bullet brush 7 reaches the rest point position of design, control chip control motor 3
Out of service, actuator is parked in design rest point position.
The structure of the actuator is refined, the gear reduction is included in the rotary shaft of the motor 3
Worm screw 4, the worm gear 12 being connected with worm screw 4, and the first reduction gearing 13 for being connected with the gear of worm gear 12 and with the
Second reduction gearing 14 of the gear of one reduction gearing 13 connection, drives worm screw 4 to rotate, and then drive snail when motor 3 runs
Wheel 12 rotates, and worm gear 12 drives output gear 8 to transport by the deceleration transmission of the first reduction gearing 13 and the second reduction gearing 14
It is dynamic.The worm gear 12, first reduction gearing 13 and second reduction gearing 14 are respectively by passing through the steel shaft of centre
11 fix with the shell and can be rotated relative to the steel shaft 11.The shell includes the upper shell 1 of mutual buckle with
Housing 9, the upper shell 1 and the lower house 9 are provided with upper and lower corresponding boss hole 10, and the steel shaft 11 is assemblied in the boss
In hole 10 and with the interference fit of boss hole 10, the steel shaft 11 is fixed, it is ensured that the steel shaft 11 is not with pinion rotation.Institute
Motor 3 is stated in lower house 9, the motor 3 is fixed on by the draw-in groove in lower house 9 and bottom fixture block
On the lower house 9, motor 3 is by the control circuit communication on motor wire 2 and wiring board 6.The bullet brush 7 rivet hot exists
On the plastic column of the output gear 8, the output gear 8 is followed to rotate.
There are four inserted sheets 5 as wiring pin on the wiring board 6, two of which pin is power port, is connected respectively
The positive and negative level of+12v power supplys is connect, two other pin is state control port, is actuator pin voltage state with reference to table 1, is performed
Device power port state is constant, by controlling two wiring states of state control port, realizes three kinds of rest points position of actuator
Put, two wiring states of state control port have three kinds, are respectively：One state control port connects 12v power supplys, another
State control port is hanging；One state control port is hanging, another state control port ground connection；Two state control ports
It is hanging.
The actuator pin of table 1 defines voltage status
| Control port 1 | Control port 2 | Power port 1 | Power port 2 | Rest point position |
| 12v | / | 12v | GND | State 1 |
| / | GND | 12v | GND | State 2 |
| / | / | 12v | GND | State 3 |
The control of the air conditioning for automobiles cycle throttle actuator of this chip controls for providing the utility model embodiment below
Circuit processed is described in detail.
It is the pin definition status of the control chip with reference to table 2, control chip model TCA0372, it has 8
Pin, wherein, pin 1, pin 2 are input A pins, and pin 3, pin 4 are input B pins, and pin 7 is output A pins, pin
5 is output B pins, and pin 6, pin 8 are chip power pin.
The control chip pin definition status of table 2
As shown in Fig. 2 the control circuit connecting mode on the wiring board is as follows：TCA0372 chip pins 8 connect power supply
Ground, pin 6 connects+12V voltages by diode D1, and the positive pole of motor is connected with pin 5, and negative pole is connected with pin 7, two
State control port is connected with pin 2 and pin 4 simultaneously, resistor main body one end ground connection of the carbon-film potentiometer, the other end
+ 12V voltages are connect, the sliding end of the carbon-film potentiometer is connected with pin 2 and pin 4, the sliding end of the carbon-film potentiometer
Position is determined by the position of the bullet brush of the output gear.The control circuit also include resistance R1, R2, R3, R4, R5, R6,
R7, R8, resistance R1 are connected between the positive pole of diode D1 and pin 1, for control input voltage.Resistance R2 is connected to two poles
Between the positive pole and pin 8 of pipe D1, for shielding interference voltage.One end of resistance R3 is connected with the positive pole of diode D1, separately
One end is connected with pin 2 and pin 4.Resistance R4 is connected between the negative pole of the motor and pin 1, and resistance R5 is connected to
Between the positive pole and pin 5 of the motor, the driving voltage of motor is limited by resistance R4, resistance R5 partial pressures, made
Motor operation is more steady.Resistance R6 is connected between the sliding end of the carbon-film potentiometer and pin 2 and pin 4,
Resistance R7, resistance R8 are connected between two state control ports and pin 2 and pin 4.Resistance R6, resistance R7, resistance
R8 is used to control input voltage.
The control principle of the control circuit is as follows：The voltage of setting chip interface 2 and interface 4 is VS, power input voltage
It is VCC, work as VCC＞ 2VSWhen, output pin 5 and pin 7 produce output voltage, motor to rotate forward, and output gear is rotated forward, until
Bullet brush position on carbon-film potentiometer makes VCC=2VS, motor stops operating；Work as VCC＜ 2VSWhen, output pin 5 and pin 7
Reverse output voltage, motor is produced to invert, position makes V on carbon-film potentiometer until bullet brushCC=2VS, motor stops
Rotation stop is moved.During three kinds of difference voltage status of state control port, make VCC=2VSCorresponding output gear bullet brush is in carbon film current potential
Location status have three kinds, the automatic rest point position of as designed air conditioning for automobiles cycle throttle actuator three on device.
In sum, the air conditioning for automobiles cycle throttle actuator of this chip controls that the utility model is provided, will export
Gear position signal is converted into control circuit voltage feedback signal, and control chip is according to two access states of state control port
And the voltage feedback signal controls the operation of the motor so that bullet brush is parked in the rest point position of setting, realizes vapour
The Based Intelligent Control of car Air-conditioning Cycle air door executer, makes the control circuit of the actuator control panel of outside simpler, actuator
Work rest point position it is more accurate, safe and reliable, stability is high, practical.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. air conditioning for automobiles cycle throttle actuator of chip controls, including shell and the output gear being placed in shell, Gear reduction, motor and wiring board, the output gear are connected by gear reduction with motor, its It is characterised by：Bullet brush is provided with the output gear, the wiring board is provided with carbon-film potentiometer and control chip, the bullet Brush is contacted with the carbon-film potentiometer on wiring board, and the position signalling of output gear is converted into voltage feedback signal feeds back to described Control chip, on the wiring board have two state control ports be connected with the control chip, the motor and Control chip signal connection, access voltage status and the electricity of the control chip according to two state control ports Pressure feedback signal controls the operation of the motor.
- 2. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 1, it is characterised in that：The bullet brush heat Riveting is on the plastic column of the output gear.
- 3. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 1, it is characterised in that：The gear subtracts Fast mechanism include installed in the motor rotary shaft on worm screw, the worm gear being connected with worm-drive, and successively with First reduction gearing and the second reduction gearing of worm-gear toothing connection.
- 4. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 3, it is characterised in that：The worm gear, First reduction gearing and second reduction gearing fixed with the shell by passing through the steel shaft of centre respectively and Can be rotated relative to steel shaft.
- 5. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 4, it is characterised in that：The shell bag Upper shell and lower house are included, the upper shell and the lower house are provided with upper and lower corresponding boss hole, and the steel shaft is assemblied in institute State in boss hole and with boss hole interference fit.
- 6. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 1, it is characterised in that：The wiring board On control circuit connecting mode it is as follows：The control chip uses TCA0372 chips, and it has 8 pins, wherein, pin 1st, pin 2 is input A pins, and pin 3, pin 4 are input B pins, and pin 7 is output A pins, and pin 5 is output B pins, Pin 6, pin 8 are chip power pin, and pin 8 connects power supply ground, and pin 6 connects+12V voltages, the driving by diode D1 The positive pole of motor is connected with pin 5, and negative pole is connected with pin 7, and two state control ports connect with pin 2 and pin 4 simultaneously Connect, resistor main body one end of carbon-film potentiometer ground connection, another termination+12V voltages, the sliding end of the carbon-film potentiometer with Pin 2 and pin 4 are connected.
- 7. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 6, it is characterised in that：Also include resistance R1, R2, R3, R4, R5, R6, R7, R8, resistance R1 are connected between the positive pole of diode D1 and pin 1, and resistance R2 is connected to two Between the positive pole and pin 8 of pole pipe D1, one end of resistance R3 is connected with the positive pole of diode D1, the other end and pin 2 and draws Pin 4 is connected, and resistance R4 is connected between the negative pole of the motor and pin 1, and resistance R5 is connected to the motor Between positive pole and pin 5, resistance R6 is connected between the sliding end of the carbon-film potentiometer and pin 2 and pin 4, resistance R7, R8 are connected between two state control ports and pin 2 and pin 4.
- 8. the air conditioning for automobiles cycle throttle actuator of chip controls as claimed in claim 6, it is characterised in that：Two state controls The access voltage status of port processed have three kinds, are respectively：One state control port connects 12v power supplys, the control of another state Port is hanging；One state control port is hanging, another state control port ground connection；Two state control ports are hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154291.0U CN206217563U (en) | 2016-10-31 | 2016-10-31 | The air conditioning for automobiles cycle throttle actuator of chip controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154291.0U CN206217563U (en) | 2016-10-31 | 2016-10-31 | The air conditioning for automobiles cycle throttle actuator of chip controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206217563U true CN206217563U (en) | 2017-06-06 |
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ID=58788996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621154291.0U Active CN206217563U (en) | 2016-10-31 | 2016-10-31 | The air conditioning for automobiles cycle throttle actuator of chip controls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206217563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515380A (en) * | 2016-10-31 | 2017-03-22 | 孝感华工高理电子有限公司 | Vehicle air conditioner circulating air door actuator controlled by chip |
-
2016
- 2016-10-31 CN CN201621154291.0U patent/CN206217563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515380A (en) * | 2016-10-31 | 2017-03-22 | 孝感华工高理电子有限公司 | Vehicle air conditioner circulating air door actuator controlled by chip |
| CN106515380B (en) * | 2016-10-31 | 2019-04-19 | 孝感华工高理电子有限公司 | The air conditioning for automobiles cycle throttle actuator of chip controls |
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