CN2769972Y

CN2769972Y - Air conditioner actuator

Info

Publication number: CN2769972Y
Application number: CN 200520055512
Authority: CN
Inventors: 罗红斌; 陈东红; 杨成
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2005-03-04
Filing date: 2005-03-04
Publication date: 2006-04-05
Anticipated expiration: 2015-03-04

Abstract

The utility model discloses an air conditioner actuator, which comprises a motor (4), a deceleration transmission mechanism and a potentiometer (3), wherein a motor output shaft is connected with an input shaft of the deceleration transmission mechanism; the deceleration transmission mechanism comprises a deceleration gear which is provided with an output shaft, and the output shaft is connected with an adjusting end of the potentiometer; the deceleration transmission mechanism comprises secondary worm screw transmission mechanism, an input shaft of the secondary worm screw transmission mechanism is fixedly connected with the motor output shaft, and an output shaft is engaged with the deceleration gear; the potentiometer optimizes an angular position sensor. The utility model simplifies the deceleration transmission mechanism, enhances the mechanical efficiency, saves the finite space and effectively enhances the service life of the transmission mechanism. Because the potentiometer adopts the angular position sensor, the utility model largely lowers abrasion and error, whole circuit control decreases error, and the utility model makes the control ordering, effectively enhances the accuracy and the reliability and saves cost.

Description

Actuator Of The Air Conditioner

Technical field

The utility model relates to a kind of electric actuator of automatic control usefulness.

Background technology

In the air-conditioning system of automobile, automatically control needs electric actuator to drive the air door mechanism motion, and that realizes air door closes the opening angle adjustment.Actuator is responded to the position of air door by potentiometer, reaches the control to the air door stroke.Owing to the restriction in automotive interior space, for reaching exchange and general, the actuator inner structure adopts more: motor, PCB circuit, potentiometer and level Four reduction gearing gear train are formed in design.As what disclose in Chinese patent ZL02205928 is exactly this type of technical scheme, this scheme is moved by motor, by being fixed on the motor worm drive to gear, reducing gear is made up of the level Four gear drive, transmission by spur gear, bull gear on every grade of reduction gearing, successively gearing-down is to terminal gear, uploads moving connecting rod and drives air-conditioning air door running mechanism by being fixed on terminal gear, realizes the total system running; Its potentiometer adopts that carbon brush resistance and control circuit closely cooperate on the pair of metal brush that is fixed on the terminal gear and the circuit board, reaching metallic brush by terminal gear operation contacts with the displacement of carbon brush resistance, make motor stop, change by current value variation between the contact point, control whole service mode.And this mechanism is made up of the level Four gear drive, and its texture ratio is more complicated, and transmission efficiency is lower, makes the actuator inner space narrower different; Because mechanism cooperates closely, adopt the induction mode induction control of displacement contact to be easy to produce wearing and tearing, make metallic brush, carbon brush resistance reduce serviceable life, influence error improves, and causes entire mechanism operation accuracy to lower.

Summary of the invention

The purpose of this utility model is exactly in order to overcome the above problems, and a kind of simple in structure, long service life, Actuator Of The Air Conditioner accurately and reliably are provided.

For achieving the above object, the utility model proposes a kind of Actuator Of The Air Conditioner, comprise motor 4, reduction gearing mechanism and potentiometer 3, described motor output shaft connects described reduction gearing mechanism input shaft, described reduction gearing mechanism comprises reduction gearing, and described reduction gearing has an output shaft and connects the adjustable end of described potentiometer; Described reduction gearing mechanism comprises the second-stage worm gear train, the affixed described motor output shaft of its input shaft, its output shaft and reduction gearing engagement.

Above-mentioned Actuator Of The Air Conditioner, described second-stage worm gear train comprises first worm screw 1, second worm screw 2 and the second worm screw in-line gears 5, described second worm screw 2 and the second worm screw in-line gears 5 are coaxial affixed, the output shaft of described first worm screw, 1 affixed described motor, and with the engagement of the second worm screw in-line gears 5.Or described second-stage worm gear train comprises driven wheel, first worm screw 1 and second worm screw 2, and described driven wheel is fixed in described motor output shaft, 1 this described driven wheel engagement of described first worm screw, and described first worm screw is coaxial affixed with second worm screw.

Above-mentioned Actuator Of The Air Conditioner, described reduction gearing comprises first reduction gearing 11 and second reduction gearing 12, described first reduction gearing, second reduction gearing respectively with described second worm mesh, the described second reduction gearing output shaft connects the adjustable end of described potentiometer.

Or above-mentioned Actuator Of The Air Conditioner, described reduction gearing comprises first reduction gearing 11, with described second worm mesh, described first gear, one end output shaft connects the adjustable end of described potentiometer.

Described potentiometer is an angular position sensor, and its rotor connects described first or second gear output shaft.

Simultaneously, the utility model proposes a kind of Actuator Of The Air Conditioner, comprise motor 4, reduction gearing mechanism and potentiometer 3, described motor output shaft connects described reduction gearing mechanism input shaft, described reduction gearing mechanism comprises reduction gearing, and described reduction gearing has an output shaft and connects the adjustable end of described potentiometer; Described reduction gearing mechanism comprises the second-stage worm gear train, the affixed described motor output shaft of its input shaft, its output shaft and reduction gearing engagement; Described potentiometer is an angular position sensor.

Above-mentioned Actuator Of The Air Conditioner, described second-stage worm gear train comprises first worm screw 1, second worm screw 2 and the second worm screw in-line gears 5, described second worm screw 2 and the second worm screw in-line gears 5 are coaxial affixed, the output shaft of described first worm screw, 1 affixed described motor, and with the engagement of the second worm screw in-line gears 5.Described reduction gearing comprises first reduction gearing 11 and second reduction gearing 12, described first reduction gearing, second reduction gearing respectively with described second worm mesh, the described second reduction gearing output shaft connects described angular position sensor rotor.Or described reduction gearing comprises first reduction gearing 11, and with described second worm mesh, described first gear, one end output shaft connects described angular position sensor rotor.

Owing to adopted above scheme, brought following beneficial effect:

1, owing to adopt the second-stage worm gear train, simplifies reduction gearing mechanism, improved machinery driving efficiency, saved the finite space, the serviceable life of effectively improving gear train.

2, potentiometer adopts integrated angular position sensor, significantly reduces wearing and tearing and error, prolongs the complete machine serviceable life of the utility model device; Entire circuit control reduces error, makes the control ordering, has improved accuracy, reliability effectively, saves cost.

3, the output terminal reduction gearing of gear train is both exported as power, the while is regulator potentiometer again, can further simplify reduction gearing mechanism, improves transmission efficiency.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the left view of Fig. 1 structural representation.

Embodiment

Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.

Embodiment one: shown in Fig. 1,2, embodiment of the present utility model comprises actuating motor 4, potentiometer 3, PCB circuit board and second-stage worm gear train.Move by motor, be fixed on

first worm screw

1 and 5 engagements of the second worm screw in-line gears on the motor shaft, drive second worm screw 2, second worm screw 2 drives first reduction gearing 11 and second reduction gearing 12 respectively, realize the running of air-conditioning air door mechanism by the kinematic link that is fixed on first reduction gearing 11, its potentiometer adopts the angular position sensor induction: be fixed on the circuit board, the center roller position is connected with second reduction gearing, 12 output shafts, drive the running of center roller position by 12 operations of second reduction gearing, make that resistance changes between rotor and the carbon brush circuit two ends, control by main control circuit, make the motor stall, reach control to the entire mechanism stroke, so effective raising mechanical efficiency is oversimplified transmission, saves the finite space, potentiometer can be placed flexibly, improved the serviceable life of gear train effectively.Potentiometer adopts the single part angular position sensor, rotor is connected on second reduction gearing 12, significantly reduce the potentiometer abrasion and the error that exist in the prior art, can utilize software program control entire mechanism, reduce error so greatly, make the control ordering, improved accuracy, reliability effectively, save cost.

Embodiment two: different with last example is, this routine reduction gearing mechanism comprises first worm screw 1 and second worm screw 2, is used to drive first reduction gearing 11 that kinematic link is realized the running of air-conditioning air door mechanism, this routine angular position sensor is installed on the output shaft of first reduction gearing, one end, affixed first reduction gearing of the rotor of angular position sensor one output shaft is with the coaxial running of first reduction gearing; Whole reduction gearing mechanism is simplified greatly, and transmission efficiency improves, and control accuracy improves.

Claims

1, a kind of Actuator Of The Air Conditioner, comprise motor (4), reduction gearing mechanism and potentiometer (3), described motor output shaft connects described reduction gearing mechanism input shaft, and described reduction gearing mechanism comprises reduction gearing, and described reduction gearing has an output shaft and connects the adjustable end of described potentiometer; It is characterized in that: described reduction gearing mechanism comprises the second-stage worm gear train, the affixed described motor output shaft of its input shaft, its output shaft and reduction gearing engagement.

2, Actuator Of The Air Conditioner as claimed in claim 1, it is characterized in that: described second-stage worm gear train comprises first worm screw (1), second worm screw (2) and the second worm screw in-line gears (5), described second worm screw (2) and the second worm screw in-line gears (5) are coaxial affixed, the output shaft of the affixed described motor of described first worm screw (1), and mesh with the second worm screw in-line gears (5).

3, Actuator Of The Air Conditioner as claimed in claim 2, it is characterized in that: described reduction gearing comprises first reduction gearing (11) and second reduction gearing (12), described first reduction gearing, second reduction gearing respectively with described second worm mesh, the described second reduction gearing output shaft connects the adjustable end of described potentiometer.

4, Actuator Of The Air Conditioner as claimed in claim 2 is characterized in that: described reduction gearing comprises first reduction gearing (11), and with described second worm mesh, described first gear, one end output shaft connects the adjustable end of described potentiometer.

5, as each described Actuator Of The Air Conditioner among the claim 1-4, it is characterized in that: described potentiometer is an angular position sensor, and its rotor connects described reduction gearing output shaft.

6, a kind of Actuator Of The Air Conditioner, comprise motor (4), reduction gearing mechanism and potentiometer (3), described motor output shaft connects described reduction gearing mechanism input shaft, and described reduction gearing mechanism comprises reduction gearing, and described reduction gearing has an output shaft and connects the adjustable end of described potentiometer; It is characterized in that: described reduction gearing mechanism comprises the second-stage worm gear train, the affixed described motor output shaft of its input shaft, its output shaft and reduction gearing engagement; Described potentiometer is an angular position sensor.

7, Actuator Of The Air Conditioner as claimed in claim 6, it is characterized in that: described second-stage worm gear train comprises first worm screw (1), second worm screw (2) and the second worm screw in-line gears (5), described second worm screw (2) and the second worm screw in-line gears (5) are coaxial affixed, the output shaft of the affixed described motor of described first worm screw (1), and mesh with the second worm screw in-line gears (5).

8, Actuator Of The Air Conditioner as claimed in claim 7, it is characterized in that: described reduction gearing comprises first reduction gearing (11) and second reduction gearing (12), described first reduction gearing, second reduction gearing respectively with described second worm mesh, the described second reduction gearing output shaft connects described angular position sensor rotor.

9, Actuator Of The Air Conditioner as claimed in claim 7 is characterized in that: described reduction gearing comprises first reduction gearing (11), and with described second worm mesh, described first gear, one end output shaft connects described angular position sensor rotor.