CN2587688Y - Speed regulation module for fan of car air conditioner - Google Patents
Speed regulation module for fan of car air conditioner Download PDFInfo
- Publication number
- CN2587688Y CN2587688Y CN 02282278 CN02282278U CN2587688Y CN 2587688 Y CN2587688 Y CN 2587688Y CN 02282278 CN02282278 CN 02282278 CN 02282278 U CN02282278 U CN 02282278U CN 2587688 Y CN2587688 Y CN 2587688Y
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- Prior art keywords
- utility
- model
- speed regulation
- field effect
- control circuit
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model relates to a stepless speed regulation module, which is applied for car air conditioners. The utility model comprises a stepless speed regulation control circuit board (1), a driving power field effect pipe (2), a radiator (4), an air conditioner fan (7) and a direct current motor (6), wherein, the driving power field effect pipe (2) directly supplies power for the direct current motor (6) of an air conditioner (8). The utility model is characterized in that the direct current motor (6) is provided with a stepless speed regulation module (5); the movable contact of a relay (3) which is arranged on the control circuit board is connected to the source pole and the leakage pole of the power field effect pipe (2). The rotary speed regulation of the stepless speed regulation device which is produced according to the design theme is more convenient than the resistor step regulation when the utility model is run with middle and low speed. When the rotary speed of the utility model is in lower step, the electric current consumption is obviously reduced. Therefore, the utility model is an important element for energy saving for cars.
Description
The utility model is the improvement invention about air conditioning for automobiles fan speed regulation device.What be particularly related to is air conditioning for automobiles blower fan stepless speed-regulating device.
In the prior art, air-conditioning has become the basic configuration of automobile, but at present the mode of speed control that adopted of air conditioning for automobiles blower fan is essentially the speed governing of resistance stepping formula, promptly adopts quantity that changes series resistance and the mode that resistance reduces the blower fan operating voltage to regulate rotation speed of fan.But the regulating mechanism of this resistance stepping formula speed governing is dumb, the structure more complicated.
In view of the problem that known technology exists, the purpose of this utility model aims to provide the stepless speed-regulating device of the air conditioning for automobiles blower fan of a kind of simple in structure, reliable operation and perfect in shape and function.The utility model is finished as follows, and this module includes infinite speed variation control circuit board, power drive field effect transistor, radiator.It is characterized in that DC machine is provided with the infinite speed variation module, the speed-regulating control circuit plate of described module is provided with a relay, and the moving contact of this relay is parallel to the source electrode and the drain electrode of power field effect pipe.The radiator encapsulation of described speed-regulating control circuit plate, power drive field effect transistor and double as clamp structure is as a whole.The utility model and known technology ratio, both solved loss is big when low and middle-grade rotating speed critical defect, scientific structure, easy to use be the important device of vehicle energy saving.
The utility model has following accompanying drawing:
Fig. 1 is a schematic appearance of the present utility model
Fig. 2 is a structural representation of the present utility model
Fig. 3 is an application scheme drawing of the present utility model
Accompanying drawing has been represented structure of the present utility model and embodiment, further describes each relevant details of embodiment below more in conjunction with the accompanying drawings.The infinite speed variation module of this air conditioning for automobiles blower fan includes infinite speed variation control circuit board 1, power field effect pipe 2, radiator 4.This device adopts pulse width modulated infinite speed variation control circuit board 1 output widened pulse, driving power field effect transistor 2 is given DC machine 6 power supplies of air-conditioning draught fan 7, regulate the average power supply voltage of DC machine by the regulating impulse width, thereby the working speed of step-less adjustment DC machine from low to high.At electric current enough big and during near the working current under the maximum speed of revolution of blower fan speed-regulating control circuit output one control voltage make the relay moving contact adhesive that is parallel to power field effect pipe source electrode and drain electrode in the circuit, realized blower fan automatic cutout speed adjustment circuit and be directly parallel in the function of input both ends of power under the mode of operation of maximum speed of revolution.Avoided reactive loss, simultaneously the harmful effect that circuit is brought for fear of the temperature rise of ambient temperature and power field effect pipe.Made full use of power field effect pipe and had the characteristics of negative temperature coefficient as the temperature compensating measure, radiator with speed setting control circuit, power driving circuit and double as clamp structure is packaged in one simultaneously, can on the installation basis that not change existing blower fan, replace used stepping speed governing air-conditioning draught fan fully, have the excellent specific property of simple in structure, reliable operation, perfect in shape and function.
Claims (3)
1, the speed adjusting module of air conditioning for automobiles blower fan, include infinite speed variation control circuit board (1), driving power effect pipe (2), radiator (4), air-conditioning draught fan (7) and DC machine (6), driving power field effect transistor (2) directly to DC machine (6) power supply of air-conditioning draught fan (7), is characterized in that DC machine (6) is provided with infinite speed variation module (5).
2, the speed adjusting module of air conditioning for automobiles blower fan as claimed in claim 1 is characterized in that described control circuit board (1) is provided with a relay (3), and the moving contact of this relay (3) is parallel to the source electrode and the drain electrode of power field effect pipe.
3, the speed adjusting module of air conditioning for automobiles blower fan as claimed in claim 1 or 2 is characterized in that speed-regulating control circuit, and the radiator encapsulation of power driving circuit and double as fasten structural elements together is as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02282278 CN2587688Y (en) | 2002-10-16 | 2002-10-16 | Speed regulation module for fan of car air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02282278 CN2587688Y (en) | 2002-10-16 | 2002-10-16 | Speed regulation module for fan of car air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2587688Y true CN2587688Y (en) | 2003-11-26 |
Family
ID=33744401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02282278 Expired - Fee Related CN2587688Y (en) | 2002-10-16 | 2002-10-16 | Speed regulation module for fan of car air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2587688Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379925A (en) * | 2017-05-19 | 2017-11-24 | 北汽福田汽车股份有限公司 | A kind of vehicle and its ac control circuit |
-
2002
- 2002-10-16 CN CN 02282278 patent/CN2587688Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379925A (en) * | 2017-05-19 | 2017-11-24 | 北汽福田汽车股份有限公司 | A kind of vehicle and its ac control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |