CN207181012U - A kind of performance testing device of electromagnetism heating power expansion valve - Google Patents
A kind of performance testing device of electromagnetism heating power expansion valve Download PDFInfo
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- CN207181012U CN207181012U CN201721051450.9U CN201721051450U CN207181012U CN 207181012 U CN207181012 U CN 207181012U CN 201721051450 U CN201721051450 U CN 201721051450U CN 207181012 U CN207181012 U CN 207181012U
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Abstract
A kind of performance testing device of electromagnetism heating power expansion valve is the utility model is related to, belongs to the heating power expansion valve throttling technology field in vapor compression type refrigerating system, performance test after being assembled suitable for various electromagnetism heating power expansion valves.Mainly include the first air inlet path（1）, gas receiver（2）, the second air inlet path（3）, electromagnetism heating power expansion valve（4）, the 3rd go out gas circuit（5）, second go out gas circuit（6）, first go out gas circuit（7）With the 4th magnetic valve（8）It is formed by combining.It is characterized in that：First air inlet path（1）With electromagnetism heating power expansion valve（4）B interface be connected.Second air inlet path（3）With electromagnetism heating power expansion valve（4）A interfaces be connected.Described first goes out gas circuit（7）, second go out gas circuit（6）Go out gas circuit with the 3rd（5）After parallel connection with electromagnetism heating power expansion valve（4）C interface be connected.The performance testing device is controlled using PLC, and one-shot completes all properties test.
Description
Technical field
A kind of performance testing device of electromagnetism heating power expansion valve is the utility model is related to, is belonged in vapor compression type refrigerating system
Heating power expansion valve throttling technology field, suitable for various electromagnetism heating power expansion valves assemble after performance test.
Background technology
Electromagnetism heating power expansion valve is combined by heating power expansion valve and magnetic valve.Electromagnetism heating power expansion valve is as air conditioning for automobiles
Critical component in system, flow switch control, reducing pressure by regulating flow, regulation flow, the holding played to automotive air-conditioning system are suitable
The effect of the degree of superheat, the quality of its performance directly affect the refrigeration performance of air-conditioning system.
The size of the static degree of superheat of electromagnetism heating power expansion valve directly affects the refrigeration performance of air conditioning for automobiles and whole system
The stability of system.The internal leakage uninterrupted of electromagnetism heating power expansion valve controls electromagnetism heating power expansion valve to completely close ability.Electricity
The balance portion leakage rate size of magnetic heating power expansion valve controls the sealing in electromagnetism heating power expansion valve balance portion.Electromagnetism thermal expansion
Under the high pressure of valve valve opening ability directly affect electromagnetism heating power expansion valve under high pressure can be normally-open.Test electromagnetism heating power at present
The static degree of superheat, the leakage of balance portion and the internal leakage of expansion valve and valve opening ability are required for testing it respectively.It is existing
The static degree of superheat test of electromagnetism heating power expansion valve, device is as shown in figure 1, mainly by electromagnetism heating power expansion valve 1, P1Pressure gauge 2,
Pressure-regulating valve 3, P2Pressure gauge 4, second solenoid valve 5, restricting orifice 6, first magnetic valve 7 etc. form.Static degree of superheat test
Process：With pressure-regulating valve 3 by P1Pressure gauge 2 is adjusted to 1.03 ± 0.05MPa, makes at electromagnetism heating power expansion valve magnetic valve 11
In open mode, the first magnetic valve 7 is opened, closes, open the continuous P rear three times of second solenoid valve 52Pressure shown in pressure gauge 4 is
Static super heat value.
The balance portion leak-testing of existing electromagnetism heating power expansion valve, device is as shown in Fig. 2 mainly by pressure gauge 1, pressure
Regulating valve 2, electromagnetism heating power expansion valve 3, second solenoid valve 4, flowmeter 5, first magnetic valve 6 etc. form.Balance portion leak-testing
Process：Pressure gauge 1 is adjusted to 0.2MPa with pressure-regulating valve 2, electromagnetic expanding valve magnetic valve 31 is in open mode, is opened
First magnetic valve 6, second solenoid valve 4 is opened, shows that numerical value is balance portion leakage value on flowmeter 5.
The internal leakage test and valve opening aptitude tests of existing electromagnetism heating power expansion valve, device is as shown in figure 3, mainly in
Press regulating valve 1, septum valve 2, P1Pressure gauge 3, the first magnetic valve 4, electromagnetism heating power expansion valve 5, P2Pressure gauge 6, the second electromagnetism
Valve 7, the 3rd magnetic valve 8, flowmeter 9, the 4th magnetic valve 10 etc. form.The internal leakage test process of electromagnetism heating power expansion valve：Beat
The first magnetic valve 4 is driven, with reheat control valve 1 by P1Pressure gauge 3 is adjusted to 1.03 ± 0.05MPa.Second solenoid valve 7 is opened, is closed
After closing, opening electromagnetism heating power expansion valve magnetic valve 51 three times, the 3rd magnetic valve 8 is opened, second solenoid valve 7 is closed, passes through flow
Flow value shown in meter 9 is internal leakage value.The valve opening aptitude tests process of electromagnetism heating power expansion valve：Close the first magnetic valve 4 and
Three magnetic valves 8, the 4th magnetic valve 10 and second solenoid valve 7 are opened, with septum valve 2 by P1Pressure gauge 3 is adjusted to 2.3MPa,
Close, open electromagnetism heating power expansion valve magnetic valve 51 continuously three times, P2The reading value of pressure gauge 6 is valve opening in claimed range
Ability is normal.
The performance of the performance and heating power expansion valve to magnetic valve is needed due to existing electromagnetism heating power expansion valve test mode
Tested respectively, cause that the performance test process of existing electromagnetism heating power expansion valve is more, and the efficiency of test is low, it is impossible to met existing
The requirement of production in enormous quantities.
The content of the invention
The purpose of the performance testing device of electromagnetism heating power expansion valve described in the utility model, which is that, to solve the above problems
And deficiency, there is provided a kind of new electromagnetism heating power expansion valve test device, its is compact-sized, and clamped one time can test a variety of property
Can, it can be widely applied to various electromagnetism heating power expansion valve performance tests.
The performance testing device of the utility model electromagnetism heating power expansion valve, mainly include the first air inlet path, gas receiver, second
Air inlet path, electromagnetism heating power expansion valve, the 3rd go out gas circuit, second go out gas circuit, first go out gas circuit and the 4th magnetic valve is formed by combining,
It is characterized in that：First air inlet path is by low pressure modulating valve, P3Pressure gauge, the first solenoid valve block into.Second air inlet path is in
Press regulating valve, second solenoid valve, P1Pressure gauge, septum valve, the 3rd solenoid valve block into.First outlet route P2Pressure gauge,
Five magnetic valves, restricting orifice composition.Second outlet route the 6th solenoid valve block into.3rd outlet route the 7th magnetic valve and flow
Meter composition.First air inlet path is connected with the B interface of electromagnetism heating power expansion valve.Second air inlet path and electromagnetism thermal expansion
The A interfaces of valve are connected.Described first goes out gas circuit, second goes out gas circuit and the 3rd and go out C after gas circuit parallel connection with electromagnetism heating power expansion valve
Interface is connected.
The utility model also includes following additional technical feature：First air inlet path and first goes out gas circuit, the second outlet
Road, the 3rd go out the 4th magnetic valve of series connection between gas circuit parallel pipeline.
The performance testing device is controlled using PLC, and one-shot completes all properties test.
All magnetic valves are normally closed solenoid valve.
The air inlet path of the utility model first, the second air inlet path, first go out gas circuit, second go out gas circuit and the 3rd go out gas circuit can be real
Switching is tested between each performance of existing electromagnetism heating power expansion valve.Go out gas circuit when switching the first air inlet path and the 3rd and can realize 9 Cr 2 steel using electromagnetic heating
The balance portion leak-testing of power expansion valve.Calmed the anger in switching in the second air inlet path and go out gas circuit with first and can realize electromagnetism heating power
The static degree of superheat test of expansion valve.Calmed the anger in switching in the second air inlet path and go out gas circuit with the 3rd and can realize that electromagnetism heating power is swollen
The internal leakage test of swollen valve.Go out gas circuit when switching high pressure gas in the second air inlet path and second and can realize that high pressure valve opening ability is surveyed
Examination.
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 known static degree of superheat test structure figure of electromagnetism heating power expansion valve；
1- electromagnetism heating power expansion valve, 11- electromagnetism heating power expansion valves magnetic valve, 2- P1Pressure gauge, 3- pressure-regulating valves, 4-
P2Pressure gauge, 5- second solenoid valves, 6- restricting orifices, the magnetic valves of 7- first.
Fig. 2 is a kind of known electromagnetism heating power expansion valve balance portion leak-testing structure chart；
1- pressure gauges, 2- pressure-regulating valves, 3- electromagnetism heating power expansion valve, the electricity of 31- electromagnetism heating power expansion valve electromagnetism 4- second
Magnet valve, 5- flowmeters, the magnetic valves of 6- first.
Fig. 3 is internal leakage test and the valve opening aptitude tests structure chart of a kind of known electromagnetism heating power expansion valve；
1- reheat control valves, 2- septum valves, 3-P1Pressure gauge, the magnetic valves of 4- first, 5- electromagnetism heating power expansion valve,
51- electromagnetism heating power expansion valves magnetic valve, 6- P2Pressure gauge, 7- second solenoid valves, the magnetic valves of 8- the 3rd, 9- flowmeters, 10-
Four magnetic valves.
Fig. 4 is the structure chart of electromagnetism heating power expansion valve performance testing device of the present utility model；
The air inlet paths of 1- first, 11- low pressure modulating valves, 12- P3Pressure gauge, the magnetic valves of 13- first, 2- gas receivers, 3- second
Air inlet path, 31- reheat control valves, 32- second solenoid valves, 33- septum valves, 34- second solenoid valves, 35- P1Pressure gauge,
4- electromagnetism heating power expansion valve, 41- electromagnetism heating power expansion valves magnetic valve, 5- the 3rd go out gas circuit, the magnetic valves of 51- the 7th, 52- flows
Meter, 6- second go out gas circuit, the magnetic valves of 61- the 6th, 7- first and go out gas circuit, 71- P2Pressure gauge, the magnetic valves of 72- the 5th, 73- sections
Discharge orifice plate, the magnetic valves of 8- the 4th.
Embodiment
As shown in figure 4, the performance testing device of electromagnetism heating power expansion valve of the present utility model, mainly includes the first air inlet path
1st, gas receiver 2, the second air inlet path 3, electromagnetism heating power expansion valve 4, the 3rd go out gas circuit 5, second go out gas circuit 6, first go out gas circuit 7 and
Four magnetic valves 8 are formed by combining, it is characterised in that：First air inlet path 1 is by low pressure modulating valve 11, P3Pressure gauge 12, first
Magnetic valve 13 forms.Second air inlet path 3 is by reheat control valve 31, second solenoid valve 32, P1Pressure gauge 35, septum valve 33,
3rd magnetic valve 34 forms.First goes out gas circuit 7 by P2Pressure gauge 71, the 5th magnetic valve 72, restricting orifice 73 form.Second outlet
Road 6 is made up of the 6th magnetic valve 61.3rd goes out gas circuit 5 is made up of the 7th magnetic valve 51 and flowmeter 52.First air inlet path 1
It is connected with the B interface of electromagnetism heating power expansion valve 4.Second air inlet path 3 is connected with the A interfaces of electromagnetism heating power expansion valve 4.It is described
First goes out gas circuit 7, second goes out after gas circuit 6 and the 3rd goes out the parallel connection of gas circuit 5 and be connected with the C interface of electromagnetism heating power expansion valve 4.Described
One air inlet path 1 goes out gas circuit 7 with first, second goes out gas circuit the 6, the 3rd and go out between the parallel pipeline of gas circuit 5 the 4th magnetic valve 8 of connecting.Institute
State performance testing device to control using PLC, one-shot completes all properties test.All magnetic valves are normally closed electromagnetism
Valve.
Electromagnetism heating power expansion valve performance test process is as follows：
Equipment is opened, by electromagnetism heating power expansion valve 4 in electromagnetism heating power expansion valve measurement apparatus of the present utility model, is beaten
Second solenoid valve 32 is opened, with reheat control valve 31 by P1The gauge pressure of pressure gauge 35 is adjusted to 1.03 ± 0.05MPa, opens the 4th electricity
Magnet valve 8, electromagnetism heating power expansion valve magnetic valve 41 is set to be in open mode.Close, open 72 continuous P rear three times of the 5th magnetic valve2
Pressure shown in pressure gauge 71 is static super heat value.The 5th magnetic valve 72 is closed, closes the 4th magnetic valve 8, opens the 6th electromagnetism
Valve 61, open, close electromagnetism heating power expansion valve magnetic valve 41 it is continuous three times after, be in electromagnetism heating power expansion valve 41 and close shape
State, the 6th magnetic valve 61 is closed, it is internal leakage value to open the 7th magnetic valve 51 by flow value shown in flowmeter 52.Close second
Magnetic valve 32, the 7th magnetic valve 51 is closed, open the 6th magnetic valve 61, open the 3rd magnetic valve 34, will with septum valve 33
P1The gauge pressure of pressure gauge 35 is adjusted to 2.3MPa, open, close electromagnetism heating power expansion valve magnetic valve 41 it is continuous three times after, P2Pressure
The reading value of table 71 is that valve opening ability is normal in claimed range.The 3rd magnetic valve 34 is closed, closes the 6th magnetic valve 61, is opened
First magnetic valve 13, electromagnetism heating power expansion valve magnetic valve 41 is set to be in open mode, with low pressure modulating valve 11 by P3Pressure gauge 12
Gauge pressure is adjusted to 0.2MPa, opens the 7th magnetic valve 51, numerical value shown in flowmeter 52 is balance portion leakage value.
Above example is only to illustrative and not limiting the technical solution of the utility model.Do not depart from the utility model spirit and
Any modification or partial replacement of scope, it all should cover among right of the present utility model.
Claims (4)
1. a kind of performance testing device of electromagnetism heating power expansion valve, mainly enter including the first air inlet path (1), gas receiver (2), second
Gas circuit (3), electromagnetism heating power expansion valve (4), the 3rd go out gas circuit (5), second go out gas circuit (6), first go out gas circuit (7) and the 4th electromagnetism
Valve (8) combines, it is characterised in that：First air inlet path (1) is by low pressure modulating valve (11), P3Pressure gauge (12), first
Magnetic valve (13) forms；Second air inlet path (3) is by reheat control valve (31), second solenoid valve (32), P1Pressure gauge (35), high pressure
Regulating valve (33), the 3rd magnetic valve (34) composition；First goes out gas circuit (7) by P2Pressure gauge (71), the 5th magnetic valve (72), throttling
Orifice plate (73) forms；Second goes out gas circuit (6) is made up of the 6th magnetic valve (61)；3rd, which goes out gas circuit (5), the 7th magnetic valve (51)
Formed with flowmeter (52)；First air inlet path (1) is connected with the B interface of electromagnetism heating power expansion valve (4)；Second air inlet
Road (3) is connected with the A interfaces of electromagnetism heating power expansion valve (4)；Described first goes out gas circuit (7), second goes out gas circuit (6) and the 3rd outlet
It is connected after road (5) is in parallel with the C interface of electromagnetism heating power expansion valve (4).
2. the performance testing device of electromagnetism heating power expansion valve according to claim 1, it is characterised in that：First air inlet
Road (1) goes out gas circuit (7) with first, second goes out gas circuit (6), the 3rd goes out between gas circuit (5) parallel pipeline the 4th magnetic valve of connecting
(8)。
3. the performance testing device of electromagnetism heating power expansion valve according to claim 1, it is characterised in that：The performance test
Device is controlled using PLC, and one-shot completes all properties test.
4. the performance testing device of electromagnetism heating power expansion valve according to claim 1, it is characterised in that：First electromagnetism
Valve (13), second solenoid valve (32), the 3rd magnetic valve (34), the 4th magnetic valve (8), the 5th magnetic valve (72), the 6th magnetic valve
(61), the 7th magnetic valve (51) is normally closed solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051450.9U CN207181012U (en) | 2017-08-22 | 2017-08-22 | A kind of performance testing device of electromagnetism heating power expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051450.9U CN207181012U (en) | 2017-08-22 | 2017-08-22 | A kind of performance testing device of electromagnetism heating power expansion valve |
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| Publication Number | Publication Date |
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| CN207181012U true CN207181012U (en) | 2018-04-03 |
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ID=61740296
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721051450.9U Active CN207181012U (en) | 2017-08-22 | 2017-08-22 | A kind of performance testing device of electromagnetism heating power expansion valve |
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| CN (1) | CN207181012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781445A (en) * | 2018-12-28 | 2019-05-21 | 大连理工大学 | A kind of method of determining heating power expansion valve circulation area |
-
2017
- 2017-08-22 CN CN201721051450.9U patent/CN207181012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781445A (en) * | 2018-12-28 | 2019-05-21 | 大连理工大学 | A kind of method of determining heating power expansion valve circulation area |
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