CN202350720U - Device for detecting opening of electronic expansion valve of air conditioner controller - Google Patents
Device for detecting opening of electronic expansion valve of air conditioner controller Download PDFInfo
- Publication number
- CN202350720U CN202350720U CN2011205096286U CN201120509628U CN202350720U CN 202350720 U CN202350720 U CN 202350720U CN 2011205096286 U CN2011205096286 U CN 2011205096286U CN 201120509628 U CN201120509628 U CN 201120509628U CN 202350720 U CN202350720 U CN 202350720U
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- China
- Prior art keywords
- expansion valve
- electronic expansion
- stepper motor
- conditioner controller
- unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Air Conditioning Control Device (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a device for detecting the opening of an electronic expansion valve of an air conditioner controller. The device comprises a stepping motor, an angle pointer and a dial, wherein the stepping motor comprises a rotating shaft and a wiring terminal; angle scale lines are formed on the surface of the dial; and the angle pointer is positioned on the surface of the dial and fixedly connected with the rotating shaft. By the device for detecting the opening of the electronic expansion valve of the air conditioner controller, the opening of the electronic expansion valve is simulated by the stepping motor and can be known according to the rotating angle of the angle pointer, so the opening value of the electronic expansion valve, which is output by the controller, can be quickly and accurately detected, efficiency is improved, and cost is saved.
Description
Technical field
The utility model relates to a kind of pick-up unit, and is especially a kind of in transducer air conditioning exploitation or maintenance process, is used to detect the pick-up unit of the electronic expansion valve opening of air-conditioner controller.
Background technology
Transducer air conditioning has two kinds of throttle styles in process of refrigerastion, first kind is that prevailing kapillary is regulated mode, and second kind is the electric expansion valve regulative mode.Electric expansion valve has the high characteristics of aperture control accuracy, and in practical application, its seasonal energy efficiency ratio (seer) is higher than kapillary, and electric expansion valve has become an important configuration of convertible frequency air-conditioner at present.Convertible frequency air-conditioner requires expansion valve that different corresponding apertures is arranged under various different operating conditions, and therefore, in Air-conditioner design, the deviser need understand the aperture of electric expansion valve.
As shown in Figure 1; Electric expansion valve 5 mainly is made up of valve body, winding 51, connecting line 52 and connection terminal 53 4 parts, and an end of connecting line 52 is connected with winding 51, and the other end is connected with connection terminal 53; Winding 51 is through the effect of connection terminal 53 and connecting line 52; Electric signal is converted into magnetic field, and the conversion of realizable force is rotated the control of realization aperture thereby finally drive valve body.Because the electronic expansion valve body is airtight; Can't see actual aperture situation in its outside, if debugging and test in the process of operation of air conditioner, engineering technical personnel must be positioned over complete machine under the environmental working condition of having set; Through gathering delivery temperature, suction temperature, condenser middle part temperature, evaporator middle part temperature etc.; Whether analyze the aperture that could confirm valve correct, when can waste electric energy like this, and also working time of labor.
Summary of the invention
The technical matters to be solved of the utility model is, a kind of electronic expansion valve opening pick-up unit of air-conditioner controller is provided, and with in debugging or during testing air conditioner device controller, can detect the aperture of the electric expansion valve of controller output quickly and accurately.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of electronic expansion valve opening pick-up unit of air-conditioner controller; Comprise stepper motor, angle indicator and index dial; Said stepper motor comprises rotation axis and connection terminal; There is the angle index line on the surface of said index dial, and said angle indicator is positioned on the said surface of said index dial, and is fixedly connected with said rotation axis.
Preferably, be fixed with reference column on the said index dial of a said scale mark correspondence therein, the distance between this reference column and the said rotation axis is less than the distance between syringe needle to the said rotation axis of said pointer.
Preferably, said reference column is corresponding with 0 degree scale mark of said index dial.
Preferably, said scale mark is a unit with 25 steps.
Preferably, said index dial is installed on the said rotation axis between the housing of said angle indicator and said stepper motor.
Preferably, said index dial is fixed on the housing of said stepper motor.
Preferably, the housing of said index dial and said stepper motor is fixed through mucilage materials.
Preferably, said stepper motor is four phase winding stepper motors.
Preferably, said stepper motor is a 1-2 phase excitation mode stepper motor.
Preferably, said stepper motor is the 12V stepper motor.
Compared with prior art, the utility model has the advantages that:
Because stepper motor and electric expansion valve have many something in common, the electronic expansion valve opening pick-up unit of the air-conditioner controller that the utility model provided is through utilizing stepper motor simulation electronic expansion valve opening.When debugging or testing air conditioner device controller; The port that the connection terminal of the electronic expansion valve opening pick-up unit of the air-conditioner controller of the utility model is connected electric expansion valve with controller links to each other; Promptly know the aperture of electric expansion valve through the angle of angle indicator rotation; Therefore can detect the opening value of the electric expansion valve of controller output quickly and accurately, help raising the efficiency, practice thrift cost.
Description of drawings
Fig. 1 is the front view of electric expansion valve;
The structural representation of the electronic expansion valve opening pick-up unit of air-conditioner controller among one of them embodiment of Fig. 2 the utility model;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the structural representation of the used stepper motor of electronic expansion valve opening pick-up unit shown in Figure 2.
Description of reference numerals: the winding of the connection terminal of the rotation axis of the housing of 1-stepper motor, 11- stepper motor 1,11a-fixed orifice, 12-stepper motor 1, the connecting line of 13-stepper motor 1,14-stepper motor 1,2-index dial, 21-scale mark, 3-angle indicator, 4-reference column, 5-electric expansion valve, 51-electric expansion valve, the connecting line of 52-electric expansion valve, the connection terminal of 53-electric expansion valve.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing:
Referring to Fig. 1,2,3; The electronic expansion valve opening pick-up unit of the air-conditioner controller of one of them embodiment of the utility model mainly is made up of stepper motor 1, angle indicator 3, index dial 2 and reference column 4, and further referring to Fig. 4, stepper motor 1 mainly is made up of housing 11, winding, connecting line 13, connection terminal 14 and rotation axis 12; Housing 11 is provided with fixed orifice 11a; Winding is loaded in the housing 11, and an end of connecting line 13 is connected with winding, the other end and connection terminal 14.Usually, the maximum opening of electric expansion valve was 500 steps, and minimum aperture is 0, regulate through the aperture between this scope, thereby the control air-conditioning flowed to the refrigerant quantity of evaporator from compressor, to realize maximum refrigeration efficiency ratio.Through regulating the tooth ratio of stepper motor 1 inside, stepper motor 1 is rotated be equivalent to 500 step of expansion valve aperture a week.
Angle indicator 3 is fixedly mounted on the rotation axis 12, and index dial 2 is installed on the rotation axis 12 between the housing 11 of angle indicator 3 and stepper motor 1, and the housing of itself and stepper motor 1 11 is fixed through mucilage materials.Further referring to Fig. 3, on the surface of index dial 2, be that the center is along circumferentially evenly being provided with angle index line 21 with rotation axis 12.Preferably, said scale mark 21 is a unit with 25 steps.The scale mark 21 of present embodiment is confirmed in the following manner: through test; Find out the corresponding relation between the aperture of rotational angle and electric expansion valve of stepper motor 1 rotation axis 12; Corresponding angle is provided with scale mark 21 on index dial 2 surfaces, the different electronic expansion valve opening of different scale mark 21 representatives.Reference column 4 is vertically fixed on the index dial 2 of 0 degree scale mark, 21 correspondences, and the distance between this reference column 4 and the rotation axis 12 is less than the distance between angle indicator 3 ends to the said rotation axis 12.Angle indicator 3 can reset at 0 degree scale mark, 21 positions in the time of can guaranteeing to shut down through reference column 4.
Preferably, the stepper motor 1 of present embodiment is 12V, four phase windings, 1-2 phase excitation mode stepper motor.
When debugging or testing air conditioner device controller; The port that the connection terminal 14 of the electronic expansion valve opening pick-up unit of the air-conditioner controller of present embodiment is connected electric expansion valve with controller links to each other; Promptly know the aperture of electric expansion valve through the angle of angle indicator 3 rotations; Therefore can detect the opening value of the electric expansion valve of controller output quickly and accurately, help raising the efficiency, practice thrift cost.
Claims (10)
1. the electronic expansion valve opening pick-up unit of an air-conditioner controller; It is characterized in that: comprise stepper motor, angle indicator and index dial; Said stepper motor comprises rotation axis and connection terminal; There is the angle index line on the surface of said index dial, and said angle indicator is positioned on the said surface of said index dial, and is fixedly connected with said rotation axis.
2. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 1; It is characterized in that: be fixed with reference column on the said index dial of a said scale mark correspondence therein, the distance between this reference column and the said rotation axis is less than the distance between syringe needle to the said rotation axis of said pointer.
3. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 2 is characterized in that: said reference column is corresponding with 0 degree scale mark of said index dial.
4. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 1 is characterized in that: said scale mark is a unit with 25 steps.
5. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 1 is characterized in that: said index dial is installed on the said rotation axis between the housing of said angle indicator and said stepper motor.
6. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 5, it is characterized in that: said index dial is fixed on the housing of said stepper motor.
7. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 6, it is characterized in that: the housing of said index dial and said stepper motor is fixed through mucilage materials.
8. according to the electronic expansion valve opening pick-up unit of each described air-conditioner controller of claim 1 to 7, it is characterized in that: said stepper motor is four phase winding stepper motors.
9. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 8, it is characterized in that: said stepper motor is a 1-2 phase excitation mode stepper motor.
10. the electronic expansion valve opening pick-up unit of air-conditioner controller according to claim 8, it is characterized in that: said stepper motor is the 12V stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205096286U CN202350720U (en) | 2011-12-08 | 2011-12-08 | Device for detecting opening of electronic expansion valve of air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205096286U CN202350720U (en) | 2011-12-08 | 2011-12-08 | Device for detecting opening of electronic expansion valve of air conditioner controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350720U true CN202350720U (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205096286U Expired - Lifetime CN202350720U (en) | 2011-12-08 | 2011-12-08 | Device for detecting opening of electronic expansion valve of air conditioner controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202350720U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946537A (en) * | 2019-03-06 | 2019-06-28 | 郑州商学院 | A kind of electric expansion valve analog circuit |
| CN112444384A (en) * | 2019-09-03 | 2021-03-05 | 廊坊金润电气股份有限公司 | Device for measuring valve core rotation angle |
| CN114624018A (en) * | 2022-02-16 | 2022-06-14 | 苏州东剑智能科技有限公司 | Small-angle self-checking method and locked-rotor retry method for valve |
-
2011
- 2011-12-08 CN CN2011205096286U patent/CN202350720U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946537A (en) * | 2019-03-06 | 2019-06-28 | 郑州商学院 | A kind of electric expansion valve analog circuit |
| CN109946537B (en) * | 2019-03-06 | 2024-03-19 | 郑州商学院 | Electronic expansion valve analog circuit |
| CN112444384A (en) * | 2019-09-03 | 2021-03-05 | 廊坊金润电气股份有限公司 | Device for measuring valve core rotation angle |
| CN114624018A (en) * | 2022-02-16 | 2022-06-14 | 苏州东剑智能科技有限公司 | Small-angle self-checking method and locked-rotor retry method for valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |