CN102928209A - Comprehensive performance testing device for electronic expansion valve - Google Patents
Comprehensive performance testing device for electronic expansion valve Download PDFInfo
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- CN102928209A CN102928209A CN2011102302110A CN201110230211A CN102928209A CN 102928209 A CN102928209 A CN 102928209A CN 2011102302110 A CN2011102302110 A CN 2011102302110A CN 201110230211 A CN201110230211 A CN 201110230211A CN 102928209 A CN102928209 A CN 102928209A
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Abstract
The invention discloses a comprehensive performance testing device for an electronic expansion valve. The comprehensive performance testing device comprises a rotating table and is characterized in that valve mounting stations, a valve detecting region and valve discharging stations are arranged on the rotating table; and leakage amount checking devices, valve opening pulse detecting devices, full-off flow valve flow value detecting devices and maximum valve opening pressure difference no-load detecting devices are respectively arranged in the valve detecting region. The comprehensive performance testing device is operated by one person instead of three people, the clamping times, product loss and manual interference factors can be effectively reduced, and the accuracy of a detection result is effectively guaranteed.
Description
Technical field
The present invention relates to a kind of electric expansion valve comprehensive performance test device.
Background technology
The device that is used at present Performance Testing of Electronic Expansion Valve, its complex structure, the operating personnel that need are more, electric expansion valve carries out in the process of performance test, operating personnel need to carry out multiple clamping, and this can cause the product loss, and too much human factor also can have influence on the accuracy of test result simultaneously, and the detection efficiency of existing proving installation is relatively low, is unfavorable for that large-scale product detects.
Summary of the invention
The objective of the invention is in order to overcome weak point of the prior art, providing a kind of can effectively reduce operating personnel, clamping times, the electric expansion valve comprehensive performance test device of product loss and artificial interference factor.
In order to achieve the above object, the present invention adopts following scheme:
A kind of electric expansion valve comprehensive performance test device, comprise turntable, it is characterized in that: be provided with the valve installation station at described turntable, valve detection district and valve blanking station, be provided with in described valve detection district and be respectively equipped with the leakage rate testing fixture, open the valve pulse detecting equipment, complete shut-down has the flow valve flow value to detect dress, maximum is opened the unloaded pick-up unit of valve pressure reduction, and unloaded and band carries air mass flow value detection device and an air mass flow detection components.
Aforesaid a kind of electric expansion valve comprehensive performance test device is characterized in that described air mass flow detection components comprises the first air mass flow pick-up unit, the second air mass flow pick-up unit and the 3rd air mass flow pick-up unit.
Aforesaid a kind of electric expansion valve comprehensive performance test device, it is characterized in that described leakage rate testing fixture includes the first draft tube, be provided with the first air inlet ball valve in described the first draft tube, be connected with the first filtrator in described the first air inlet ball valve outlet side, be connected with the first reduction valve in described the first filtrator outlet side, be connected with the first steel cylinder in described the first reduction valve outlet side, be connected with the first air inlet electromagnetic valve in described the first steel cylinder outlet side, described the first air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, pipeline between described the first steel cylinder and the first air inlet electromagnetic valve is provided with the first tensimeter and the first pressure transducer, pipeline between described the first air inlet electromagnetic valve and detected electric expansion valve is provided with the first exhaust solenoid valve, is connected with the first flow meter in the gas outlet of described detected electric expansion valve.
Aforesaid a kind of electric expansion valve comprehensive performance test device, it is characterized in that the described valve pulse detecting equipment of opening comprises the second draft tube, be provided with the second air inlet ball valve in described the second draft tube, be connected with the second filtrator in described the second air inlet ball valve outlet side, be connected with the second steel cylinder in described the second filtrator outlet side, be connected with the second flowmeter in described the second steel cylinder outlet side, be connected with the second reduction valve in described the second flowmeter outlet side, be connected with the second air inlet electromagnetic valve in described the second reduction valve outlet side, described the second air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, be provided with the second tensimeter and the second pressure transducer between described the second reduction valve and the second air inlet electromagnetic valve, the pipeline between described the second air inlet electromagnetic valve and detected electric expansion valve is provided with the second exhaust solenoid valve.
Aforesaid a kind of electric expansion valve comprehensive performance test device, it is characterized in that described complete shut-down has flow valve flow value pick-up unit to comprise the 3rd draft tube, be provided with the 3rd air inlet ball valve in described the 3rd draft tube, be connected with the 3rd filtrator in described the 3rd air inlet ball valve outlet side, be connected with the 3rd steel cylinder in described the 3rd filtrator outlet side, be connected with the 3rd flowmeter in described the 3rd steel cylinder outlet side, be connected with the 3rd reduction valve in described the 3rd flowmeter outlet side, be connected with air inlet the 3rd solenoid valve in described the 3rd reduction valve outlet side, described air inlet the 3rd solenoid valve outlet side is connected with the air intake opening of detected electric expansion valve, be provided with the 3rd tensimeter and the 3rd pressure transducer between described the 3rd reduction valve and the 3rd air inlet electromagnetic valve, the pipeline between described the 3rd air inlet electromagnetic valve and detected electric expansion valve is provided with the 3rd exhaust solenoid valve.
Aforesaid a kind of electric expansion valve comprehensive performance test device, it is characterized in that described maximum opens the unloaded pick-up unit of valve pressure reduction and comprise the 4th draft tube, be provided with the 4th air inlet ball valve in described the 4th draft tube, be connected with the 4th filtrator in described the 4th air inlet ball valve outlet side, be connected with the 4th steel cylinder in described the 4th filtrator outlet side, be connected with the 4th flowmeter in described the 4th steel cylinder outlet side, be connected with the 4th reduction valve in described the 4th flowmeter outlet side, be connected with the 4th air inlet electromagnetic valve in described the 4th reduction valve outlet side, described the 4th air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, be provided with the 4th tensimeter and the 4th pressure transducer between described the 4th reduction valve and the 4th air inlet electromagnetic valve, the pipeline between described the 4th air inlet electromagnetic valve and detected electric expansion valve is provided with exhaust solenoid valve.
Aforesaid a kind of electric expansion valve comprehensive performance test device, it is characterized in that described zero load and band carry the air mass flow value detection device and comprise that no-load detector and band carry detecting device, the described no-load detector of drawing together comprises the 5th draft tube, be provided with the 5th air inlet ball valve in described the 5th draft tube, be connected with the 5th filtrator in described the 5th air inlet ball valve outlet side, be connected with the 5th steel cylinder in described the 5th filtrator outlet side, be connected with the 5th flowmeter in described the 5th steel cylinder outlet side, be connected with the 5th reduction valve in described the 5th flowmeter outlet side, be connected with air inlet the 5th solenoid valve in described the 5th reduction valve outlet side, described air inlet the 5th solenoid valve outlet side is connected with the air intake opening of detected electric expansion valve, between described the 5th reduction valve and the 5th air inlet electromagnetic valve, be provided with the 5th tensimeter and the 5th pressure transducer, pipeline between described the 5th air inlet electromagnetic valve and detected electric expansion valve is provided with the 5th exhaust solenoid valve, described band carries detecting device and comprises the 6th draft tube, be provided with the 6th air inlet ball valve in described the 6th draft tube, be connected with the 6th filtrator in described the 6th air inlet ball valve outlet side, be connected with the 6th steel cylinder in described the 6th filtrator outlet side, be connected with the 6th reduction valve in described the 6th steel cylinder outlet side, be connected with the 6th air inlet electromagnetic valve in described the 6th reduction valve outlet side, described the 6th air inlet electromagnetic valve outlet side is connected with pipeline on the air intake opening that is connected to detected electric expansion valve.
Aforesaid a kind of electric expansion valve comprehensive performance test device, it is characterized in that described the first air mass flow pick-up unit, the second air mass flow pick-up unit is identical with the structure of the 3rd air mass flow pick-up unit, comprise respectively draft tube, be provided with air inlet ball valve in described draft tube, be connected with filtrator in described air inlet ball valve outlet side, be connected with steel cylinder in described filtrator outlet side, be connected with flowmeter in described steel cylinder outlet side, be connected with reduction valve in described flowmeter outlet side, be connected with air inlet electromagnetic valve in described reduction valve outlet side, described air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, be provided with tensimeter and pressure transducer between described reduction valve and air inlet electromagnetic valve, the pipeline between described air inlet electromagnetic valve and detected electric expansion valve is provided with exhaust solenoid valve.
Aforesaid a kind of electric expansion valve comprehensive performance test device is characterized in that also being provided with the specified pulse setting device that dispatches from the factory on described turntable.
Aforesaid a kind of electric expansion valve comprehensive performance test device is characterized in that also being provided with the reservation station on described turntable.
In sum, beneficial effect of the present invention:
Electric expansion valve comprehensive performance test device of the present invention can effectively reduce operating personnel, reduce to 1 people operation by former 3 people operation, reduced clamping times, reduced the loss to product, also reduce simultaneously the interference of human factor, effectively guaranteed the accuracy of testing result.
Description of drawings
Fig. 1 is overlooking surface schematic diagram of the present invention;
Fig. 2 is schematic perspective view of the present invention;
Fig. 3 is the schematic diagram of leakage rate testing fixture;
Fig. 4 is out the schematic diagram of valve pulse detecting equipment;
Fig. 5 is the schematic diagram that complete shut-down has flow valve flow value pick-up unit;
Fig. 6 is the maximum schematic diagram of opening the unloaded pick-up unit of valve pressure reduction;
Fig. 7 is schematic diagram unloaded and band year air mass flow value detection device;
Fig. 8 is the schematic diagram of the first air mass flow pick-up unit;
Fig. 9 is the schematic diagram of the second air mass flow pick-up unit;
Figure 10 is the schematic diagram of the 3rd air mass flow pick-up unit.
Embodiment
Below in conjunction with description of drawings and embodiment the present invention is described further:
Such as the described a kind of electric expansion valve comprehensive performance test device of Fig. 1 to 10, comprise turntable 1, be provided with valve installation station 2 at described turntable, valve detection district 3 and valve blanking station 4, be provided with in described valve detection district 3 and be respectively equipped with leakage rate testing fixture 5, open valve pulse detecting equipment 6, complete shut-down has flow valve flow value pick-up unit 7, maximum is opened the unloaded pick-up unit 8 of valve pressure reduction, and unloaded and band carries air mass flow value detection device 9 and an air mass flow detection components 10.Wherein said valve installation station 2 is mainly used in artificial loading/unloading products, and product coding is swept computing machine by bar code, and product is fixed on the test station.
Air mass flow detection components 10 described in the present invention comprises the first air mass flow pick-up unit 101, the second air mass flow pick-up units 102 and the 3rd air mass flow pick-up unit 103.
As shown in Figure 3, leakage rate testing fixture 5 described in the present invention includes the first draft tube 51, be provided with the first air inlet ball valve 52 in described the first draft tube 51, be connected with the first filtrator 53 in described the first air inlet ball valve 52 outlet sides, be connected with the first reduction valve 54 in described the first filtrator 53 outlet sides, be connected with the first steel cylinder 55 in described the first reduction valve 54 outlet sides, be connected with the first air inlet electromagnetic valve 56 in described the first steel cylinder 55 outlet sides, described the first air inlet electromagnetic valve 56 outlet sides are connected with the air intake opening of detected electric expansion valve 11, pipeline between described the first steel cylinder 55 and the first air inlet electromagnetic valve 56 is provided with the first tensimeter 57 and the first pressure transducer 58, pipeline between described the first air inlet electromagnetic valve 56 and detected electric expansion valve 11 is provided with the first exhaust solenoid valve 59, is connected with first flow meter 510 in the gas outlet of described detected electric expansion valve 56.
Leakage rate testing fixture 5 is mainly used in complete shut-down and detects without the flow valve leakage rate, and first with product complete shut-down 300P, valve body forward air inlet tube applies 1MPa pressure pressurized air; Measure the air stream value.This station detects approximately 8 seconds time spent.
As shown in Figure 4, the valve pulse detecting equipment 6 of opening described in the present invention comprises the second draft tube 61, be provided with the second air inlet ball valve 62 in described the second draft tube 61, be connected with the second filtrator 63 in described the second air inlet ball valve 62 outlet sides, be connected with the second steel cylinder 64 in described the second filtrator 63 outlet sides, be connected with the second flowmeter 65 in described the second steel cylinder 64 outlet sides, be connected with the second reduction valve 66 in described the second flowmeter 65 outlet sides, be connected with the second air inlet electromagnetic valve 67 in described the second reduction valve 66 outlet sides, described the second air inlet electromagnetic valve 67 outlet sides are connected with the air intake opening of detected electric expansion valve 11, be provided with the second tensimeter 68 and the second pressure transducer 69 between described the second reduction valve 66 and the second air inlet electromagnetic valve 67, the pipeline between described the second air inlet electromagnetic valve 67 and detected electric expansion valve 11 is provided with the second exhaust solenoid valve 610.
Extraneous source of the gas after filtration, be stabilized in 0.1～0.7MPa a bit after the decompression enters tested electric expansion valve by solenoid control, then sends continuously to electric expansion valve and opens the valve pulse, and when expanding valve core rotated to out valve point, expansion valve was opened.By judging this moment, whether electric expansion valve gas through-current capacity judged above setting value whether expansion valve is opened, if airshed surpasses setting value, then oppositely sent 1～2 driving pulse again, judged whether the gas through-current capacity falls after rise; So repeatedly twice, can determine that then this point is out valve point.
As shown in Figure 5, complete shut-down described in the present invention has flow valve flow value pick-up unit 7 to comprise the 3rd draft tube 71, be provided with the 3rd air inlet ball valve 72 in described the 3rd draft tube 71, be connected with the 3rd filtrator 73 in described the 3rd air inlet ball valve 72 outlet sides, be connected with the 3rd steel cylinder 74 in described the 3rd filtrator 73 outlet sides, be connected with the 3rd flowmeter 75 in described the 3rd steel cylinder 74 outlet sides, be connected with the 3rd reduction valve 76 in described the 3rd flowmeter 75 outlet sides, be connected with air inlet the 3rd solenoid valve 77 in described the 3rd reduction valve 76 outlet sides, described air inlet the 3rd solenoid valve 77 outlet sides are connected with the air intake opening of detected electric expansion valve 11, be provided with the 3rd tensimeter 78 and the 3rd pressure transducer 79 between described the 3rd reduction valve 76 and the 3rd air inlet electromagnetic valve 77, the pipeline between described the 3rd air inlet electromagnetic valve 77 and detected electric expansion valve 11 is provided with the 3rd exhaust solenoid valve 710.
Valve body forward air inlet tube applies 0.1MPa pressure pressurized air; Measure test specimen original state air stream value.This pick-up unit and leakage rate testing fixture 5 and open the 6 asynchronous measurements of valve pulse detecting equipment.If measure complete shut-down without flow valve, after then turntable rotates so far station, close valve 80P.If measure complete shut-down flow valve is arranged, leakage rate testing fixture 5 and open valve pulse detecting equipment 6 and do not measure then, complete shut-down have flow valve flow value pick-up unit 7 to close valve 80P not carry out.
As shown in Figure 6, maximum described in the present invention is opened the unloaded pick-up unit 8 of valve pressure reduction and is comprised the 4th draft tube 81, be provided with the 4th air inlet ball valve 82 in described the 4th draft tube 81, be connected with the 4th filtrator 83 in described the 4th air inlet ball valve 82 outlet sides, be connected with the 4th steel cylinder 84 in described the 4th filtrator 83 outlet sides, be connected with the 4th flowmeter 85 in described the 4th steel cylinder 84 outlet sides, be connected with the 4th reduction valve 86 in described the 4th flowmeter 85 outlet sides, be connected with the 4th air inlet electromagnetic valve 87 in described the 4th reduction valve 86 outlet sides, described the 4th air inlet electromagnetic valve 87 outlet sides are connected with the air intake opening of detected electric expansion valve 11, be provided with the 4th tensimeter 88 and the 4th pressure transducer 89 between described the 4th reduction valve 86 and the 4th air inlet electromagnetic valve 87, the pipeline between described the 4th air inlet electromagnetic valve 87 and detected electric expansion valve 11 is provided with exhaust solenoid valve 810.
In non-pressurized situation, drive expansion valve with nominal drive condition DC12V/1～2 phases excitation/setpoint frequency and be opened into 250PS (can set), access 0.1MPa gas is measured air mass flow Q1 value.Then, cut off gas admittance valve, measured piece is closed valve 150P with the drive condition of DC12V/1～2 phase excitation/setpoint frequencies with expansion valve, residue 150P is transferred to lower station to be continued.
As shown in Figure 7, zero load described in the present invention is carried air mass flow value detection device 9 with band and is comprised that no-load detector 91 and band carry detecting device 92, the described no-load detector 91 of drawing together comprises the 5th draft tube 911, be provided with the 5th air inlet ball valve 912 in described the 5th draft tube 911, be connected with the 5th filtrator 913 in described the 5th air inlet ball valve 912 outlet sides, be connected with the 5th steel cylinder 914 in described the 5th filtrator 913 outlet sides, be connected with the 5th flowmeter 915 in described the 5th steel cylinder 914 outlet sides, be connected with the 5th reduction valve 916 in described the 5th flowmeter 915 outlet sides, be connected with air inlet the 5th solenoid valve 917 in described the 5th reduction valve 916 outlet sides, described air inlet the 5th solenoid valve 917 outlet sides are connected with the air intake opening of detected electric expansion valve 11, between described the 5th reduction valve 916 and the 5th air inlet electromagnetic valve 917, be provided with the 5th tensimeter 918 and the 5th pressure transducer 919, pipeline between described the 5th air inlet electromagnetic valve 917 and detected electric expansion valve 11 is provided with the 5th exhaust solenoid valve 9110, described band carries detecting device 92 and comprises the 6th draft tube 921, be provided with the 6th air inlet ball valve 922 in described the 6th draft tube 921, be connected with the 6th filtrator 923 in described the 6th air inlet ball valve 922 outlet sides, be connected with the 6th steel cylinder 924 in described the 6th filtrator 923 outlet sides, be connected with the 6th reduction valve 925 in described the 6th steel cylinder 924 outlet sides, be connected with the 6th air inlet electromagnetic valve 926 in described the 6th reduction valve 925 outlet sides, described the 6th air inlet electromagnetic valve 926 outlet sides are connected with pipeline on the air intake opening that is connected to detected electric expansion valve 11.
Valve body forward air inlet tube applies 3.5MPa pressure pressurized air; Drive expansion valve with nominal drive condition DC7.5V (voltage can be regulated)/1～2 phase excitation/rated frequency and be opened into 250PS (adjustable); Then apply 0.1MPa pressure pressurized air at valve body forward air inlet tube, measure air mass flow Q2 value.Relatively unloadedly carry twice air stream value with band: Δ V=(Q1-Q2)/Q1 * 100%, variable quantity 5% take interior as qualified.
As shown in Figures 8 to 10, the first air mass flow pick-up unit 101 described in the present invention, the second air mass flow pick-up unit 102 is identical with the structure of the 3rd air mass flow pick-up unit 103, comprise respectively draft tube 1001, be provided with air inlet ball valve 1002 in described draft tube 1001, be connected with filtrator 1003 in described air inlet ball valve 1002 outlet sides, be connected with steel cylinder 1004 in described filtrator 1003 outlet sides, be connected with flowmeter 1006 in described steel cylinder 1005 outlet sides, be connected with reduction valve 1007 in described flowmeter 1006 outlet sides, be connected with air inlet electromagnetic valve 1008 in described reduction valve 1007 outlet sides, described air inlet electromagnetic valve 1008 outlet sides are connected with the air intake opening of detected electric expansion valve, be provided with tensimeter 1009 and pressure transducer 1010 between described reduction valve 1007 and air inlet electromagnetic valve 1008, the pipeline between described air inlet electromagnetic valve 1008 and detected electric expansion valve is provided with exhaust solenoid valve 1011.
Wherein in the first air mass flow pick-up unit 101, valve body forward air inlet tube applies 0.1MPa pressure pressurized air; Drive expansion valve with nominal drive condition DC12V/1～2 phases excitation/rated frequency and be opened into certain step number (100P); Then measure the air stream value.
In the second air mass flow pick-up unit 102, valve body forward air inlet tube applies 0.1MPa pressure pressurized air; Drive expansion valve with nominal drive condition DC12V/1～2 phases excitation/rated frequency and be opened into certain step number (250P); Then measure the air stream value.
The 3rd air mass flow pick-up unit 103 valve body forward air inlet tubes apply 0.1MPa pressure pressurized air; Drive expansion valve with nominal drive condition DC12V/1～2 phases excitation/rated frequency and be opened into certain step number (500P); Then measure the air stream value.
On described turntable 1, also be provided with the specified pulse setting device 12 that dispatches from the factory among the present invention.With the unloaded complete shut-down of tested valve, open to 300PS with the nominal drive condition again
On described turntable 1, also be provided with among the present invention and reserve station 13.Can on this station, increase flow detection function according to detecting needs, also can increase the laser marking function at this station.
Reduction valve described in the present invention: adopt the high-accuracy electric proportional dump valve of import, can carry out susceptibility is that the 0.1%F.S. reproducibility is the high precision air pressure control of positive and negative 0.1%F.S..Guarantee that the flow detection admission pressure is stable.
Described flowmeter: adopt import high precision mass flowmeter, range ratio is wide, can reach 1: 100; Response is fast, only needs 10ms; Precision is high, and precision is ± 0.8% reading ± 0.2%FS.This equipment all adopts the flowmeter forward type when arranging flowmeter, can effectively reduce tested valve outlet back pressure, guarantees measuring accuracy.
Described solenoid valve: adopt guiding valve control, replace the direct-acting electromagnetic valve that in the past adopted.The guiding valve flow area is large, and system do not need to use retaining valve, reduces the pressure loss in the pipeline, makes reduction valve top hole pressure and measured piece intake pressure basically identical, and is favourable to flow rate test.
The power supply that proving installation of the present invention adopts is voltage controller power source: adopt the military project dc voltage regulator power supply, according to test process, automatically adjust output voltage, have voltage-regulation steady, the characteristics such as constant current, constant voltage, and have the multiple alarm functions such as overload, overvoltage, short circuit.
Turntable described in the present invention: adopt this turntable of the high-accuracy turntable of import, promote toothrow by motor steering, make the card rotation, and utilize three-chip type flute profile clutch coupling location, to reach high-mechanic and high-accuracy location.One snubber assembly is respectively arranged about index plate, its objective is when quick rotation, reduce inertia effect, reduce shaking force.
Bar-code reader described in the present invention: 1 of equipment configuration Honeywell bar-code reader, as the test product id number, detect scanning barcode data with institute and carry out the correspondence storage.Can detect data retrieval according to the product IDs number.The host computer automatically code with scanner scanning is corresponding with the measured piece of this station, and the detecting information of record is uploaded to central processing unit.
Adopt control system in the proving installation of the present invention: control system adopts Taiwan to grind magnificent IPC-610 industrial computer as host computer (host computer configuration CPU:Intel Pentium 4 2.0GHz internal memory: DDR 512MB hard disk: 80G serial ports CD-ROM drive: CD drive 52X); Adopt the PLC system as slave computer, PLC and host computer carry out communication, the transmission of data by R485.
Take WinXP as operating system, with Labview or VB establishment, graphical interfaces is friendly.Upper computer software has the parameter setting, process control, data recording, arrangement, storage, demonstration, the functions such as report printing.Software has auto-alarm function, when finding that test product is not up to standard, sends sound and light alarm.
Software has the equipment simulating service chart, can show on computers running status and the parameter of each equipment, also can be by the operation of software control equipment.Software also has the equipment fault diagnosis function, and device fault information is proposed countermeasure, convenient for maintaining personnel operation.
The mode of all the data databases is preserved, can be by various ways inquiry historical record in the past, and demonstration is also printed all data that comprise conditional curve.
Software systems self gather the different measuring abilities of each test product with storage, form product and detect data archival.Expanded function can promote logistics and supplies management, the manufacturing and assembling level; To the Realization of Product management of tracing to the source, reduce handling cost, enhance productivity.
Claims (10)
1. electric expansion valve comprehensive performance test device, comprise turntable (1), it is characterized in that: be provided with valve installation station (2) at described turntable, valve detection district (3) and valve blanking station (4), in described valve detection district (3), be provided with and be respectively equipped with leakage rate testing fixture (5), open valve pulse detecting equipment (6), complete shut-down has flow valve flow value pick-up unit (7), maximum is opened the unloaded pick-up unit (8) of valve pressure reduction, and unloaded and band carries air mass flow value detection device (9) and an air mass flow detection components (10).
2. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that described air mass flow detection components (10) comprises the first air mass flow pick-up unit (101), the second air mass flow pick-up unit (102) and the 3rd air mass flow pick-up unit (103).
3. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that described leakage rate testing fixture (5) includes the first draft tube (51), be provided with the first air inlet ball valve (52) in described the first draft tube (51), be connected with the first filtrator (53) in described the first air inlet ball valve (52) outlet side, be connected with the first reduction valve (54) in described the first filtrator (53) outlet side, be connected with the first steel cylinder (55) in described the first reduction valve (54) outlet side, be connected with the first air inlet electromagnetic valve (56) in described the first steel cylinder (55) outlet side, described the first air inlet electromagnetic valve (56) outlet side is connected with the air intake opening of detected electric expansion valve (11), pipeline between described the first steel cylinder (55) and the first air inlet electromagnetic valve (56) is provided with the first tensimeter (57) and the first pressure transducer (58), pipeline between described the first air inlet electromagnetic valve (56) and detected electric expansion valve (11) is provided with the first exhaust solenoid valve (59), is connected with first flow meter (510) in the gas outlet of described detected electric expansion valve (56).
4. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that the described valve pulse detecting equipment (6) of opening comprises the second draft tube (61), be provided with the second air inlet ball valve (62) in described the second draft tube (61), be connected with the second filtrator (63) in described the second air inlet ball valve (62) outlet side, be connected with the second steel cylinder (64) in described the second filtrator (63) outlet side, be connected with the second flowmeter (65) in described the second steel cylinder (64) outlet side, be connected with the second reduction valve (66) in described the second flowmeter (65) outlet side, be connected with the second air inlet electromagnetic valve (67) in described the second reduction valve (66) outlet side, described the second air inlet electromagnetic valve (67) outlet side is connected with the air intake opening of detected electric expansion valve (11), be provided with the second tensimeter (68) and the second pressure transducer (69) between described the second reduction valve (66) and the second air inlet electromagnetic valve (67), the pipeline between described the second air inlet electromagnetic valve (67) and detected electric expansion valve (11) is provided with the second exhaust solenoid valve (610).
5. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that described complete shut-down has flow valve flow value pick-up unit (7) to comprise the 3rd draft tube (71), be provided with the 3rd air inlet ball valve (72) in described the 3rd draft tube (71), be connected with the 3rd filtrator (73) in described the 3rd air inlet ball valve (72) outlet side, be connected with the 3rd steel cylinder (74) in described the 3rd filtrator (73) outlet side, be connected with the 3rd flowmeter (75) in described the 3rd steel cylinder (74) outlet side, be connected with the 3rd reduction valve (76) in described the 3rd flowmeter (75) outlet side, be connected with air inlet the 3rd solenoid valve (77) in described the 3rd reduction valve (76) outlet side, described air inlet the 3rd solenoid valve (77) outlet side is connected with the air intake opening of detected electric expansion valve (11), be provided with the 3rd tensimeter (78) and the 3rd pressure transducer (79) between described the 3rd reduction valve (76) and the 3rd air inlet electromagnetic valve (77), the pipeline between described the 3rd air inlet electromagnetic valve (77) and detected electric expansion valve (11) is provided with the 3rd exhaust solenoid valve (710).
6. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that described maximum opens the unloaded pick-up unit of valve pressure reduction (8) and comprise the 4th draft tube (81), be provided with the 4th air inlet ball valve (82) in described the 4th draft tube (81), be connected with the 4th filtrator (83) in described the 4th air inlet ball valve (82) outlet side, be connected with the 4th steel cylinder (84) in described the 4th filtrator (83) outlet side, be connected with the 4th flowmeter (85) in described the 4th steel cylinder (84) outlet side, be connected with the 4th reduction valve (86) in described the 4th flowmeter (85) outlet side, be connected with the 4th air inlet electromagnetic valve (87) in described the 4th reduction valve (86) outlet side, described the 4th air inlet electromagnetic valve (87) outlet side is connected with the air intake opening of detected electric expansion valve 11, be provided with the 4th tensimeter (88) and the 4th pressure transducer (89) between described the 4th reduction valve (86) and the 4th air inlet electromagnetic valve (87), the pipeline between described the 4th air inlet electromagnetic valve (87) and detected electric expansion valve (11) is provided with exhaust solenoid valve (810).
7. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that described zero load and band carry air mass flow value detection device (9) and comprise that no-load detector (91) and band carry detecting device (92), the described no-load detector (91) of drawing together comprises the 5th draft tube (911), be provided with the 5th air inlet ball valve (912) in described the 5th draft tube (911), be connected with the 5th filtrator (913) in described the 5th air inlet ball valve (912) outlet side, be connected with the 5th steel cylinder (914) in described the 5th filtrator (913) outlet side, be connected with the 5th flowmeter (915) in described the 5th steel cylinder (914) outlet side, be connected with the 5th reduction valve (916) in described the 5th flowmeter (915) outlet side, be connected with air inlet the 5th solenoid valve (917) in described the 5th reduction valve (916) outlet side, described air inlet the 5th solenoid valve (917) outlet side is connected with the air intake opening of detected electric expansion valve (11), between described the 5th reduction valve (916) and the 5th air inlet electromagnetic valve (917), be provided with the 5th tensimeter (918) and the 5th pressure transducer (919), pipeline between described the 5th air inlet electromagnetic valve (917) and detected electric expansion valve (11) is provided with the 5th exhaust solenoid valve (9110), described band carries detecting device (92) and comprises the 6th draft tube (921), be provided with the 6th air inlet ball valve (922) in described the 6th draft tube (921), be connected with the 6th filtrator (923) in described the 6th air inlet ball valve (922) outlet side, be connected with the 6th steel cylinder (924) in described the 6th filtrator (923) outlet side, be connected with the 6th reduction valve (925) in described the 6th steel cylinder (924) outlet side, be connected with the 6th air inlet electromagnetic valve (926) in described the 6th reduction valve (925) outlet side, described the 6th air inlet electromagnetic valve (926) outlet side is connected with pipeline on the air intake opening that is connected to detected electric expansion valve (11).
8. a kind of electric expansion valve comprehensive performance test device according to claim 2, it is characterized in that described the first air mass flow pick-up unit (101), the second air mass flow pick-up unit (102) is identical with the structure of the 3rd air mass flow pick-up unit (103), comprise respectively draft tube (1001), be provided with air inlet ball valve (1002) in described draft tube (1001), be connected with filtrator (1003) in described air inlet ball valve (1002) outlet side, be connected with steel cylinder (1004) in described filtrator (1003) outlet side, be connected with flowmeter (1006) in described steel cylinder (1005) outlet side, be connected with reduction valve (1007) in described flowmeter (1006) outlet side, be connected with air inlet electromagnetic valve (1008) in described reduction valve (1007) outlet side, described air inlet electromagnetic valve (1008) outlet side is connected with the air intake opening of detected electric expansion valve, be provided with tensimeter (1009) and pressure transducer (1010) between described reduction valve (1007) and air inlet electromagnetic valve (1008), the pipeline between described air inlet electromagnetic valve (1008) and detected electric expansion valve is provided with exhaust solenoid valve (1011).
9. a kind of electric expansion valve comprehensive performance test device according to claim 1 is characterized in that also being provided with the specified pulse setting device (12) that dispatches from the factory on described turntable (1).
10. a kind of electric expansion valve comprehensive performance test device according to claim 1 is characterized in that also being provided with reservation station (13) on described turntable (1).
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| CN103499417A (en) * | 2013-09-13 | 2014-01-08 | 塑能科技（苏州）有限公司 | Leakage testing machine |
| CN104122084A (en) * | 2014-08-07 | 2014-10-29 | 珠海格力电器股份有限公司 | Detection device and method for electronic expansion valve |
| CN104215408A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Valve air tightness detection system |
| CN104390767A (en) * | 2014-09-28 | 2015-03-04 | 宁波舜江汽车部件制造有限公司 | Fuel tank cap automatic detection apparatus |
| CN107037344A (en) * | 2016-12-16 | 2017-08-11 | 黄调久 | A kind of integral test system of magnetic valve performance |
| CN107505104A (en) * | 2017-08-29 | 2017-12-22 | 沈阳二三电子科技有限公司 | A kind of mixing wastewater with air valve detection device and its detection method |
| CN108267303A (en) * | 2017-01-03 | 2018-07-10 | 权星精机（上海）股份有限公司 | Expansion valve monitor station |
| CN108982083A (en) * | 2018-07-16 | 2018-12-11 | 珠海格力电器股份有限公司 | System and method for automatically detecting electronic expansion valve |
| CN109187000A (en) * | 2018-09-13 | 2019-01-11 | 格力电器（武汉）有限公司 | Maximum action pressure difference testing device for electronic expansion valve |
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| CN104215408A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Valve air tightness detection system |
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| CN104122084B (en) * | 2014-08-07 | 2016-12-21 | 珠海格力电器股份有限公司 | Detection device and method for electronic expansion valve |
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| CN108267303A (en) * | 2017-01-03 | 2018-07-10 | 权星精机（上海）股份有限公司 | Expansion valve monitor station |
| CN108267303B (en) * | 2017-01-03 | 2024-03-22 | 权星智控系统工程(上海)股份有限公司 | Expansion valve detects platform |
| CN107505104A (en) * | 2017-08-29 | 2017-12-22 | 沈阳二三电子科技有限公司 | A kind of mixing wastewater with air valve detection device and its detection method |
| CN108982083A (en) * | 2018-07-16 | 2018-12-11 | 珠海格力电器股份有限公司 | System and method for automatically detecting electronic expansion valve |
| CN109187000A (en) * | 2018-09-13 | 2019-01-11 | 格力电器（武汉）有限公司 | Maximum action pressure difference testing device for electronic expansion valve |
| CN113390627A (en) * | 2021-06-30 | 2021-09-14 | 四川航天烽火伺服控制技术有限公司 | Pressure reducing valve centrifugal overload test device |
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