CN206920116U - A kind of detection means of heating power expansion valve - Google Patents
A kind of detection means of heating power expansion valve Download PDFInfo
- Publication number
- CN206920116U CN206920116U CN201621397380.8U CN201621397380U CN206920116U CN 206920116 U CN206920116 U CN 206920116U CN 201621397380 U CN201621397380 U CN 201621397380U CN 206920116 U CN206920116 U CN 206920116U
- Authority
- CN
- China
- Prior art keywords
- valve
- magnetic valve
- expansion valve
- heating power
- thermostat
- 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.)
- Active
Links
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a kind of detection means of heating power expansion valve, belongs to the restricting element field in vapor compression type refrigerating system, suitable for the detection of two-way heating power expansion valve.Mainly clamped platform (10), low pressure gauge (13), capacity orifice plate (14), electromagnetism valve island (15), temperature sensing device (16) etc. by pressure-regulating valve (1), high-pressure manometer (2), motion and formed.Described electromagnetism valve island is made up of magnetic valve A (3), magnetic valve B (4), magnetic valve C (5), magnetic valve D (6), and can form two by different switch combinations flows to opposite test loop；Described temperature sensing device (16) is made up of thermostat A (8), thermostat B (9), and two independent constant temperature sources can be provided for device；Described motion clamps platform (10) and space displacement can be achieved.The device only needs once to clamp, and can complete two different refrigerant flow directions of valve, the calibrating parameters test under the conditions of different temperature-sensitives.
Description
Technical field
The detection method and device of a kind of heating power expansion valve are the utility model is related to, is belonged in vapor compression type refrigerating system
Restricting element field, suitable for the detection of heating power expansion valve, especially suitable for heating and system in heat pump-type system, need to be met simultaneously
The detection of the two-way heating power expansion valve of cold two operating mode refrigerant flows regulation.
Background technology
Critical component of the heating power expansion valve as refrigeration system, realize that the flow to match with refrigeration system load variations is adjusted
Section, the precise degrees depending on parameter calibration.Traditional heating power expansion valve is one-way only operation valve, only detects the demarcation of single flow direction
Parameter.Two-way heating power expansion valve is two-way operation valve, need to detect heating, the mark for the two different operating mode refrigerant flow directions that freeze simultaneously
Determine parameter, operating mode is different, and the operating temperature of valve temperature-sensing element is also different.And saturation corresponding to the identical temperature gap of all refrigerants
Pressure change is all that high temperature section is more than low-temperature range, and this typically results in the temperature of expansion valve detection calibrating parameters with actually making
When inconsistent with the operating temperature of state, the regulation performance of valve is discrete very big.Test chooses two independences and meets real work
The temperature-sensitive temperature of state, it is the effective technology measure for ensureing two-way heating power expansion valve regulation performance.
Existing heating power expansion valve calibrating parameters detection means principle is as shown in figure 1, mainly by pressure-regulating valve 1, high pressure
Pressure gauge 2, magnetic valve 3, thermostat 6, low pressure gauge 8, capacity orifice plate 9 etc. form.The detection method of its calibrating parameters：Open
Equipment, thermostat 6 are started working, and treat that temperature stabilization is in the W of calibrating parameters testing requirements in groove1, will by refrigerant flow direction after value
The disengaging liquid pipe and expansion valve pressure transmission pipe 7 for expanding valve body 4 are connected with device corresponding interface respectively, expansion valve temperature-sensing element
5 immerse in thermostat 6, treat sufficient heat exchange, the temperature of expansion valve temperature-sensing element 5 reaches W1After value, pressure-regulating valve 1 is adjusted, it is high
The pressure of pressure pressure table 2 reaches the P of calibrating parameters testing requirements1After value.The P of opens solenoid valve 3, now low pressure gauge 82Value
The as calibrating parameters of heating power expansion valve.Such device is when detecting two-way heating power expansion valve, generally as stated above, first will
One downward calibrating parameters of cold-producing medium stream of valve have detected, dismounting, then load expansion valve by opposite refrigerant flow direction and fill
Put.Treat that temperature-sensing element 5 reaches temperature value W again1After value, opens solenoid valve 3, the calibrating parameters inspection of opposite refrigerant flow direction is completed
Survey.Because the detection process of two two-way heating power expansion valve heating, refrigeration working condition calibration parameters employs identical temperature-sensitive temperature,
Valve performance difference under actual working state is larger, can not meet that user requires；Detection mode is great as another aspect
Constrain the detection efficiency of two-way heating power expansion valve calibrating parameters, and easily knock clamping, dismantle, easily produced in circular flow
Hair such as is damaged at the defective products.
The content of the invention
Method and apparatus purpose described in the utility model be that solve the above problems and deficiency, there is provided a kind of heating power is swollen
The detection method of swollen valve calibrating parameters, its principle is simple, clear logic, features simple structure.Only need once to clamp, you can realize two-way
The detection of parameter is determined in two heating power expansion valve heating, refrigeration operating mode refrigerant flow directions in different temperature-sensitive condition subscripts.It is greatly improved
The reasonability and efficiency of two-way heating power expansion valve calibrating parameters detection, reduction is clamped, dismantled, the hair of knocking of circular flow damages,
It can be widely applied to the detection of the calibrating parameters of two-way heating power expansion valve.
Detection method of the present utility model and device, mainly including pressure-regulating valve, high-pressure manometer, low pressure gauge,
Motion clamps platform, capacity orifice plate, electromagnetism valve island, temperature sensing device etc., it is characterised in that described electromagnetism valve island is by magnetic valve A, electricity
Magnet valve B, magnetic valve C, magnetic valve D compositions, magnetic valve A, magnetic valve B be connected with high-pressure manometer, is parallel relationship, electromagnetism
The expansion valve pressure transmission interface tube end that valve C, magnetic valve D clamp platform expansion valve fixture with low pressure gauge and motion simultaneously is connected
Connect, be parallel relationship, the heating accessing port end that magnetic valve A, magnetic valve C clamp platform expansion valve fixture with motion is connected, for simultaneously
Connection relation, the refrigeration accessing port end that magnetic valve B, magnetic valve D clamp platform expansion valve fixture with motion are connected, and are parallel relationship,
Magnetic valve A, magnetic valve D are consistent one group of on off operating mode in test process, and magnetic valve B, magnetic valve C are that on off operating mode is consistent
Another group, and two groups of on off operating modes are opposite all the time；Described temperature sensing device is made up of thermostat A, thermostat B；Described motion
Platform is clamped to be made up of expansion valve fixture, cylinder A, cylinder B.
The utility model also includes following additional technical feature：
The electromagnetism valve island is that four normally closed solenoid valves form, and is the special electromagnetic valve with resistance to refrigerant corrosion.
It is isothermal liquid in the thermostat A, thermostat B grooves.
The movable end processing that described motion clamps the expansion valve fixture and cylinder B of platform is integral, cylinder B entirety and cylinder
A movable end processing is integral.
The locus that the utility model clamps platform by motion converts, with reference to the collaborative work of solenoid valve block, two-way
Two heating power expansion valve heating, refrigeration operating mode refrigerant flow directions are in different temperature-sensitive condition subscripts determine the detection process of parameter, only
Once clamp, device realizes two different temperature-sensitive conditions, forms two and flows to opposite and independent measure loop.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is a kind of existing thermal expansion valve test device schematic diagram；
1- pressure-regulating valves, 2- high-pressure manometers, 3- magnetic valves, 4- expansions valve body, 5- expansion valves temperature-sensing element, 6- are permanent
Warm groove, 7- expansion valve pressure transmission pipe, 8- low pressure gauges, 9- capacity orifice plates
Fig. 2 is the utility model thermal expansion valve test device schematic diagram；
1- pressure-regulating valves, 2- high-pressure manometers, 3- magnetic valve A, 4- magnetic valve B, 5- magnetic valve C, 6- magnetic valves D, 7-
Expansion valve temperature-sensing element, 8- thermostat A, 9- thermostats B, 10- motion clamp platform, 11- expansions valve body, 12- expansion valve pressure
Transmit pipe, 13- low pressure gauges, 14- capacity orifice plate, 15- electromagnetism valve islands, 16- temperature sensing devices
Fig. 3 is that the motion of the utility model thermal expansion valve test device clamps platform schematic diagram；
101- expansion valves fixture, 102- cylinder A, 103- cylinders B
Embodiment
As shown in Figure 2 and Figure 3, the utility model mainly clamps platform 10, low by pressure-regulating valve 1, high-pressure manometer 2, motion
Pressure pressure table 13, capacity orifice plate 14, electromagnetism valve island 15, thermostat 16 form；The motion clamps platform 10 by expansion valve fixture
101st, cylinder A 102, cylinder B 103 are formed, expansion valve fixture 101 and cylinder B 103 movable end one, can be by cylinder B
103 realize its left and right displacement function, and cylinder B 103 is overall integral with cylinder A 102 movable end, can be realized by cylinder A 102
Its upper and lower displacement function overall with expansion valve fixture 101；The electromagnetism valve island 15 is by magnetic valve A 3, magnetic valve B 4, electromagnetism
Valve C 5, magnetic valve D 6 composition, four are normally closed solenoid valve；The thermostat 16 by standalone feature thermostat A 8
Formed with thermostat B 9, be isothermal liquid in groove.
The test process of two-way heating power expansion valve calibrating parameters is as follows：
Equipment is opened, thermostat 16 is started working, and temperature is stablized respectively in thermostat A 8 and thermostat B 9 groove
The W of calibrating parameters detection heating condition requirement1Value and the W of cooling condition2After value, pressure-regulating valve 1 is adjusted, treats high-pressure manometer 2
Pressure reach the P of calibrating parameters testing requirements1After value.Expansion valve body 11 is installed in into motion by regulation to clamp on platform 10,
It heats the expansion valve fixture that entrance point, refrigeration entrance point and expansion valve pressure transmission pipe 12 clamp platform 10 with corresponding motion respectively
Interface connects on 101.Cylinder A 102 is opened, the movable ends of cylinder A 102 decline, and expansion valve temperature-sensing element 7 immerses thermostat A 8
It is interior, sufficient heat exchange is treated, the temperature of expansion valve temperature-sensing element 7 reaches W1After value, opens solenoid valve A 3 and magnetic valve D 6, close simultaneously
Magnetic valve B 4 and magnetic valve C 5 are closed, test gas passes sequentially through pressure-regulating valve 1, high-pressure manometer 2, magnetic valve A 3, expansion
It is the heating accessing port end of valve fixture 101, expansion valve body 11, the refrigeration accessing port end of expansion valve fixture 101, magnetic valve D 6, low
Discharge system after pressure pressure table 13, capacity orifice plate 14；And the expansion valve pressure transmission pipe 12 being connected with low pressure gauge 13 will be swollen
The outlet pressure feedback of swollen valve forms a complete test loop to valve body 11 is expanded.The now P of low pressure gauge 132
Value is the calibrating parameters of the heating condition agent refrigeration flow direction of two-way heating power expansion valve, closes cylinder A 102, the activities of cylinder A 102
End, which rises, to be resetted, and the calibrating parameters detection of heating condition refrigerant flow direction terminates；Open cylinder B 103, the movable ends of cylinder B 103
Move to right, expansion valve temperature-sensing element 7 reaches the tops of constant temperature B 9, opens cylinder A 102, and the movable ends of cylinder A 102 decline, expansion valve
Temperature-sensing element 7 immerses thermostat B 9.Treat that the temperature value of expansion valve temperature-sensing element 7 reaches W2After value, opens solenoid valve B 4 and electromagnetism
Valve C 5, simultaneously closes off magnetic valve A 3 and magnetic valve D 6, and test gas passes sequentially through pressure-regulating valve 1, high-pressure manometer 2, electricity
Magnet valve B 4, the refrigeration accessing port end of expansion valve fixture 101, expansion valve body 11, expansion valve fixture 101 heating accessing port end,
Discharge system after magnetic valve C 5, low pressure gauge 13, capacity orifice plate 14；And the expansion valve pressure being connected with low pressure gauge 13
Pipe 12 is transmitted by the outlet pressure feedback of expansion valve to valve body 11 is expanded, forms another complete test loop.It is now low
The P of pressure pressure table 132Value is the calibrating parameters of two-way heating power expansion valve cooling condition refrigerant flow direction；Closing cylinder B 103,
A 102, cylinder B 103, the movable ends of A 102 reset, and the calibrating parameters detection of cooling condition refrigerant flow direction terminates；Finally dismantle
Valve body 11 is expanded, whole detection terminates.
Above example is only to illustrative and not limiting the technical solution of the utility model.The scope of the utility model is not departed from
Any modification or partial replacement, it all should cover in claims of the present utility model.
Claims (4)
- A kind of 1. detection means of heating power expansion valve, mainly including pressure-regulating valve (1), high-pressure manometer (2), low pressure gauge (13), motion clamps platform (10), capacity orifice plate (14), electromagnetism valve island (15), temperature sensing device (16), it is characterised in that described electricity Magnet valve island (15) is made up of magnetic valve A (3), magnetic valve B (4), magnetic valve C (5), magnetic valve D (6), magnetic valve A (3), magnetic valve B (4) is connected with high-pressure manometer (2), is parallel relationship, magnetic valve C (5), magnetic valve D (6) while and low pressure gauge (13) and motion clamps the expansion valve pressure transmission interface tube end of platform (10) expansion valve fixture (101) and is connected, and is parallel relationship, The heating accessing port end that magnetic valve A (3), magnetic valve C (5) clamp platform (10) expansion valve fixture (101) with motion is connected, for simultaneously Connection relation, the refrigeration accessing port end that magnetic valve B (4), magnetic valve D (6) clamp platform (10) expansion valve fixture (101) with motion are connected Connecing, be parallel relationship, magnetic valve A (3), magnetic valve D (6) are consistent one group of on off operating mode in test process, magnetic valve B (4), Magnetic valve C (5) is consistent another group of on off operating mode, and two groups of on off operating modes are opposite all the time；Described temperature sensing device (16) by Thermostat A (8), thermostat B (9) are formed；Described motion clamps platform (10) by expansion valve fixture (101), cylinder A (102), gas Cylinder B (103) is formed.
- 2. the detection means of heating power expansion valve according to claim 1, it is characterised in that：Electromagnetism valve island (15) is four normal Solenoid valve block is closed into being the special electromagnetic valve with the corrosion of resistance to refrigerant.
- 3. the detection means of heating power expansion valve according to claim 1, it is characterised in that：Thermostat A (8), thermostat B (9) it is isothermal liquid in groove.
- 4. the detection means of heating power expansion valve according to claim 1, it is characterised in that：Motion clamps the expansion of platform (10) The movable end processing of valve fixture (101) and cylinder B (103) is integral, the overall movable ends with cylinder A (102) of cylinder B (103) Processing is integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397380.8U CN206920116U (en) | 2016-12-12 | 2016-12-12 | A kind of detection means of heating power expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397380.8U CN206920116U (en) | 2016-12-12 | 2016-12-12 | A kind of detection means of heating power expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920116U true CN206920116U (en) | 2018-01-23 |
Family
ID=61310973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621397380.8U Active CN206920116U (en) | 2016-12-12 | 2016-12-12 | A kind of detection means of heating power expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920116U (en) |
-
2016
- 2016-12-12 CN CN201621397380.8U patent/CN206920116U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107289599B (en) | Device and method for detecting leakage amount of air conditioner refrigerant | |
| CN106896140B (en) | Low-temperature fatigue crack growth rate test device and application method thereof | |
| WO2023029419A1 (en) | Two-phase liquid cooling testing system and method | |
| CN206399874U (en) | A kind of test system studied for refrigeration working medium supercriticality heat exchange property | |
| CN103837567B (en) | The liquid specific heat capacity measurement device of energy self-equilibrating pressurization and method | |
| KR102551281B1 (en) | Refrigerator high pressure pipe blockage inspection method | |
| KR102551284B1 (en) | Refrigerator low pressure piping blockage inspection method | |
| CN105206162A (en) | Performance contrast experiment table for different throttle mechanisms | |
| CN201168607Y (en) | Constant temperature and humidity test box capable of enhancing test scope | |
| CN106644440A (en) | Thermostatic expansion valve detection method and device | |
| CN112763206B (en) | Refrigerant valve leakage test system | |
| CN206920116U (en) | A kind of detection means of heating power expansion valve | |
| CN202946354U (en) | Control device of compressor liquid jet and air conditioning system | |
| CN110672658B (en) | Block porous material heat insulation performance test experiment system and test method suitable for large temperature difference and variable pressure conditions | |
| CN103472323A (en) | Rapid heat-exchange device through crack flow of fluid medium | |
| CN107300266B (en) | Air-conditioning system, the control method of air-conditioning system | |
| CN108225891B (en) | High-low temperature medium circulation testing device and method | |
| CN110567674A (en) | device and method for testing flow resistance characteristics of fins of plate-fin heat exchanger | |
| CN103969288B (en) | A kind of low-temperature space test device of thermal conductivity coefficient | |
| CN204043940U (en) | A kind of radiator cold thermal cycling test system | |
| CN203745398U (en) | Rapid freeze thawing and single-edge freeze thawing all-in-one testing machine for concrete | |
| CN220872081U (en) | Novel cold and hot impact equipment for engine test | |
| CN112539931A (en) | High-pressure cold and hot state test system for valve | |
| CN220912663U (en) | Hydrogen preheater performance test system and test bench | |
| CN207181012U (en) | A kind of performance testing device of electromagnetism heating power expansion valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |