CN205505526U - Expansion valve aperture controlling means - Google Patents
Expansion valve aperture controlling means Download PDFInfo
- Publication number
- CN205505526U CN205505526U CN201620195351.7U CN201620195351U CN205505526U CN 205505526 U CN205505526 U CN 205505526U CN 201620195351 U CN201620195351 U CN 201620195351U CN 205505526 U CN205505526 U CN 205505526U
- Authority
- CN
- China
- Prior art keywords
- aperture
- expansion valve
- adjusting knob
- digital display
- display meter
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
- 239000000523 sample Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 21
- 239000003507 refrigerant Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model provides an expansion valve aperture controlling means, to the vehicle air conditioner thermostatic expansion valve flow test invention, the device is connected the back with the expansion valve, the expansion valve links to each other with inflation valve flow testing arrangement again, both can test the aperture - flow characteristic of expansion valve, can test the pressure - flow characteristic of expansion valve again, this device commonality is strong, and convenient for operation, high efficiency, can satisfy the test requirement of the inflation valve flow characteristic of different grade type, for expansion valve producer and user's design procurement foundation.
Description
Technical field
This utility model relates to a kind of device, a kind of expansion valve opening control device for testing expansion valve opening-discharge characteristic, pressure-flow characteristic test.
Background technology
Expansion valve is the vitals of formed automobile air-conditioning refrigeration plant, is one of four basic equipments in refrigeration system, is used for realizing condensing pressure to the throttling of evaporating pressure, controls the flow of cold-producing medium simultaneously.Requirement according to country automobile industry standard QC/T663-2000 " air conditioning for automobiles (HFC-134a) heating power expansion valve ", the rated capacity of expansion valve should be tested, the method of testing of industry standard introduction is to use the aperture controlling expansion valve to test the flow of expansion valve, and standard does not control device to expansion valve opening and is introduced；It addition, in actually used or design process, also need the expansion valve flow in the case of different pressures is tested, to determine the filled medium in expansion valve power head and filled ratio.Prior art is not for the expansion valve opening control device of expansion valve flow rate test.
Summary of the invention
In order to overcome the deficiencies in the prior art, this utility model provides a kind of expansion valve opening to control device, after being connected with expansion valve device for testing flow, both can test expansion valve opening-discharge characteristic, and can test again expansion valve pressure-flow characteristic.
This utility model solves its technical problem and be the technical scheme is that a kind of expansion valve opening controls device, including lower cover, upper cover, top board, diaphragm, aperture regulation frock, aperture adjusting knob, aperture digital display meter, locking nut, aperture digital display meter probe, capillary tube, Pressure gauge, pressure-control valve, air accumulator, O, sealing cap；By argon arc welding rotating welding fixing seal between described lower cover, diaphragm, upper cover three；Described top board is arranged between lower cover and diaphragm；Described aperture regulation frock is arranged on above upper cover, aperture regulation frock inner hollow, is threaded connection, is sealed by O between aperture regulation frock and upper cover；Aperture regulation frock top is provided with aperture digital display meter, is fixed by locking nut；Being provided with aperture adjusting knob in the middle part of described aperture regulation frock, be provided with motion thread between aperture regulation frock and aperture adjusting knob, described motion thread is ball screw assembly, is sealed by O between aperture regulation frock and aperture adjusting knob；Described aperture adjusting knob inner hollow, is provided with sealing cap bottom aperture adjusting knob；Described aperture digital display meter probe is arranged in aperture adjusting knob internal cavities, and aperture digital display meter probe top is connected with aperture digital display meter, and aperture digital display meter probe bottom contacts with sealing cap；Covering on described and be provided with capillary tube, be welded and fixed sealing by silver soldering between capillary tube and upper cover, connecting outside capillary tube has Pressure gauge, pressure-control valve, air accumulator.
As improvement, the step that expansion valve opening-discharge characteristic is tested by application expansion valve opening control device is:
(1), expansion valve opening control device to be connected on expansion valve, then expansion valve is connected on flow testing device；
(2), closing presure control valve, aperture adjusting knob is rotated counterclockwise, unclamps to maximum rating, lock with locking nut after aperture digital display meter display precompressed about 3mm, by show value zero setting, now aperture is 0, i.e. expansion valve is in full-shut position；
(3), the aperture that turns clockwise adjusting knob to adjust expansion valve opening, by 0.05mm expansion valve opening be spaced, take 20-30 point, record refrigerant flow during expansion valve different opening；
(4), require or the specified refrigerant flow of customer demand according to design, determine corresponding expansion valve opening, the most corresponding design parameter.
As improvement, the step that expansion valve pressure-flow characteristic is tested by application expansion valve opening control device is:
(1), expansion valve opening control device to be connected on expansion valve, then expansion valve is connected on flow testing device；
(2), aperture adjusting knob is rotated counterclockwise, unclamp to maximum rating；
(3), open pressure-control valve, increase moulding pressure with the interval of 0.01MPa, record refrigerant flow during expansion valve different pressures；
(4), require or the specified refrigerant flow of customer demand according to design, determine corresponding pressure, the most corresponding design parameter.
Compared with prior art, the utility model has the advantage of: use technique scheme, expansion valve opening for automobile air-conditioning heating power expansion valve invention controls device, after this device is connected with expansion valve, expansion valve is connected with expansion valve flow testing device again, both aperture-the discharge characteristic of expansion valve can be tested, the pressure-flow characteristic of expansion valve can be tested again, this device highly versatile, easy to operate, efficiency is high, the test request of different types of expansion valve discharge characteristic can be met, design considerations is provided for expansion valve production firm and user.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model expansion valve opening controls device.
Fig. 2 is that this utility model expansion valve opening controls the structural representation after device is connected with expansion valve.
Fig. 3 is expansion valve flow testing device schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
A kind of expansion valve opening controls device as described in Figure, including lower cover 1, upper cover 2, top board 3, diaphragm 4, aperture regulation frock 5, aperture adjusting knob 6, aperture digital display meter 7, locking nut 8, aperture digital display meter probe 9, capillary tube 10, Pressure gauge 11, pressure-control valve 12, air accumulator 13, seals cap 14, O 15, O 16；By argon arc welding rotating welding fixing seal between described lower cover 1, diaphragm 4, upper cover 2 three；Described top board 3 is arranged between lower cover 1 and diaphragm 4；Described aperture regulation frock 5 is arranged on above upper cover 2, aperture regulation frock 5 inner hollow, is threaded connection, is sealed by O 15 between aperture regulation frock 5 and upper cover 2；Aperture regulation frock 5 top is provided with aperture digital display meter 7, is fixed by locking nut 8；It is provided with aperture adjusting knob 6 in the middle part of described aperture regulation frock 5, it is provided with motion thread 17 between aperture regulation frock 5 and aperture adjusting knob 6, described motion thread 17 is ball screw assembly, is sealed by O 16 between aperture regulation frock 5 and aperture adjusting knob 6；Described aperture adjusting knob 6 inner hollow, is provided with sealing cap 14 bottom aperture adjusting knob 6；Described aperture digital display meter probe 9 is arranged in aperture adjusting knob 6 internal cavities, and aperture digital display meter probe 9 top is connected with aperture digital display meter 7, and aperture digital display meter probe 9 bottom contacts with sealing cap 14；Being provided with capillary tube 10 on described upper cover 2, be welded and fixed sealing by silver soldering between capillary tube 10 and upper cover 2, capillary tube 10 connects Pressure gauge 11, pressure-control valve 12, air accumulator 13.
The step that expansion valve opening-discharge characteristic is tested by application expansion valve opening control device is:
(1), expansion valve opening control device to be connected on expansion valve, then expansion valve is connected on flow testing device；
(2), closing presure control valve 12, aperture adjusting knob 6 is rotated counterclockwise, unclamps to maximum rating, lock with locking nut 8 after aperture digital display meter 7 is shown precompressed about 3mm, by show value zero setting, now aperture is 0, i.e. expansion valve is in full-shut position；
(3), the aperture that turns clockwise adjusting knob 6 to adjust expansion valve opening, by 0.05mm expansion valve opening be spaced, take 20-30 point, record refrigerant flow during expansion valve different opening；
(4), require or the specified refrigerant flow of customer demand according to design, determine corresponding expansion valve opening, the most corresponding design parameter.
The step that expansion valve pressure-flow characteristic is tested by application expansion valve opening control device is:
(1), expansion valve opening control device to be connected on expansion valve, then expansion valve is connected on flow testing device；
(2), aperture adjusting knob 6 is rotated counterclockwise, unclamp to maximum rating；
(3), open pressure-control valve 12, increase moulding pressure with the interval of 0.01MPa, record refrigerant flow during expansion valve different pressures；
(4), require or the specified refrigerant flow of customer demand according to design, determine corresponding pressure, the most corresponding design parameter.
Compared with prior art, the utility model has the advantage of: use technique scheme, expansion valve opening for automobile air-conditioning heating power expansion valve invention controls device, after this device is connected with expansion valve, expansion valve is connected with expansion valve flow testing device again, both aperture-the discharge characteristic of expansion valve can be tested, the pressure-flow characteristic of expansion valve can be tested again, this device highly versatile, easy to operate, efficiency is high, the test request of different types of expansion valve discharge characteristic can be met, design considerations is provided for expansion valve production firm and user.
Claims (1)
1. expansion valve opening controls device, including lower cover, upper cover, top board, diaphragm, aperture regulation frock, aperture adjusting knob, aperture digital display meter, locking nut, aperture digital display meter probe, capillary tube, Pressure gauge, pressure-control valve, air accumulator, O, sealing cap；By argon arc welding rotating welding fixing seal between described lower cover, diaphragm, upper cover three；Described top board is arranged between lower cover and diaphragm；Described aperture regulation frock is arranged on above upper cover, aperture regulation frock inner hollow, is threaded connection, is sealed by O between aperture regulation frock and upper cover；Aperture regulation frock top is provided with aperture digital display meter, is fixed by locking nut；Being provided with aperture adjusting knob in the middle part of described aperture regulation frock, be provided with motion thread between aperture regulation frock and aperture adjusting knob, described motion thread is ball screw assembly, is sealed by O between aperture regulation frock and aperture adjusting knob；Described aperture adjusting knob inner hollow, is provided with sealing cap bottom aperture adjusting knob；Described aperture digital display meter probe is arranged in aperture adjusting knob internal cavities, and aperture digital display meter probe top is connected with aperture digital display meter, and aperture digital display meter probe bottom contacts with sealing cap；Covering on described and be provided with capillary tube, be welded and fixed sealing by silver soldering between capillary tube and upper cover, connecting outside capillary tube has Pressure gauge, pressure-control valve, air accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195351.7U CN205505526U (en) | 2016-03-14 | 2016-03-14 | Expansion valve aperture controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195351.7U CN205505526U (en) | 2016-03-14 | 2016-03-14 | Expansion valve aperture controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505526U true CN205505526U (en) | 2016-08-24 |
Family
ID=56728661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195351.7U Withdrawn - After Issue CN205505526U (en) | 2016-03-14 | 2016-03-14 | Expansion valve aperture controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205505526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698455A (en) * | 2016-03-14 | 2016-06-22 | 宁波松鹰汽车部件有限公司 | Device for controlling opening degree of expansion valve |
-
2016
- 2016-03-14 CN CN201620195351.7U patent/CN205505526U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698455A (en) * | 2016-03-14 | 2016-06-22 | 宁波松鹰汽车部件有限公司 | Device for controlling opening degree of expansion valve |
| CN105698455B (en) * | 2016-03-14 | 2024-04-05 | 宁波松鹰汽车部件有限公司 | Expansion valve opening control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101162051B (en) | Automobile air-conditioning heating power expansion valve | |
| CN103388943A (en) | Method and equipment for filling liquid in temperature sensing bulb of thermostatic expansion valve | |
| CN105485992A (en) | Air conditioning system and refrigerant shortage detecting method thereof | |
| CN205505526U (en) | Expansion valve aperture controlling means | |
| CN105206162A (en) | Performance contrast experiment table for different throttle mechanisms | |
| CN103453943B (en) | A kind of scaling method of coolant filling equipment | |
| CN103064440B (en) | Fluid pressure adjusting device and adjusting method based on semiconductor cooler | |
| CN102538326A (en) | Automatic liquid mixing and filling system for commercial thermal expansion valve and automatic liquid mixing and filling method for same | |
| KR100670603B1 (en) | Automatic Refrigerant Charging Apparatus for Air-Conditioner | |
| CN106338165A (en) | High-pressure valve assembly for air conditioner and air conditioner outdoor unit provided with same | |
| CN203432173U (en) | Thermostatic expansion valve sensing bulb liquid filling equipment | |
| CN105698455A (en) | Device for controlling opening degree of expansion valve | |
| CN202648050U (en) | Debugging device matched with air conditioning system | |
| CN203532919U (en) | H-shaped thermal expansion valve | |
| CN215110883U (en) | Variable throttling device using memory alloy | |
| CN212082754U (en) | Positive and negative pressure automatic sealing detection device for air conditioner compressor | |
| CN111579270B (en) | Hybrid electric vehicle heat pump air conditioner testing system and testing method | |
| CN103245141A (en) | Thermal expansion valve and assembling method | |
| CN208155913U (en) | The experimental provision of cryogen condensation and flow visual | |
| CN205481980U (en) | Expansion valve | |
| CN204904709U (en) | Different throttle mechanism performance contrast laboratory benches | |
| CN201945102U (en) | Electronic expansion valve of refrigeration system | |
| CN204612277U (en) | The bellows filling device of heating power expansion valve | |
| CN215065099U (en) | Helium mass spectrometer leak detection test fixture device for electronic expansion valve | |
| CN205745317U (en) | A kind of power plant three-way control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160824 Effective date of abandoning: 20240405 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160824 Effective date of abandoning: 20240405 |