CN102928209B - Comprehensive performance testing device for electronic expansion valve - Google Patents
Comprehensive performance testing device for electronic expansion valve Download PDFInfo
- Publication number
- CN102928209B CN102928209B CN201110230211.0A CN201110230211A CN102928209B CN 102928209 B CN102928209 B CN 102928209B CN 201110230211 A CN201110230211 A CN 201110230211A CN 102928209 B CN102928209 B CN 102928209B
- Authority
- CN
- China
- Prior art keywords
- valve
- air inlet
- outlet side
- electric expansion
- inlet electromagnetic
- 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
- Indication Of The Valve Opening Or Closing Status (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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
At present for the device of Performance Testing of Electronic Expansion Valve, its complex structure, the operating personnel needed 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 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, be unfavorable for large-scale Product checking.
Summary of the invention
The object of the invention is, in order to overcome weak point of the prior art, to provide one effectively can 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: on described turntable, be provided with valve installation station, valve detection district and valve discharge station, be provided with in described valve detection district and be respectively equipped with leakage rate testing fixture, valve opening pulse detecting equipment, complete shut-down has flow valve flow value to detect dress, the unloaded pick-up unit of maximum valve opening pressure reduction, unloaded and band carries air mass flow value detection device and an air mass flow detection components.
A kind of electric expansion valve comprehensive performance test device as above, is characterized in that described air mass flow detection components comprises the first air flow rate detecting device, the second air flow rate detecting device and the 3rd air flow rate detecting device.
A kind of electric expansion valve comprehensive performance test device as above, it is characterized in that described leakage rate testing fixture includes the first draft tube, the first described draft tube is provided with the first air inlet ball valve, described first air inlet ball valve outlet side is connected with the first filtrator, the first described filter outlet end is connected with the first reduction valve, the first described reduction valve outlet side is connected with the first steel cylinder, the first described steel cylinder outlet side is connected with the first air inlet electromagnetic valve, the first described air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, pipeline between the first described steel cylinder and the first air inlet electromagnetic valve is provided with the first tensimeter and the first pressure transducer, pipeline between the first described air inlet electromagnetic valve and detected electric expansion valve is provided with the first exhaust solenoid valve, the gas outlet of described detected electric expansion valve is connected with first-class gauge.
A kind of electric expansion valve comprehensive performance test device as above, it is characterized in that described valve opening pulse detecting equipment comprises the second draft tube, the second described draft tube is provided with the second air inlet ball valve, described second air inlet ball valve outlet side is connected with the second filtrator, the second described filter outlet end is connected with the second steel cylinder, the second described steel cylinder outlet side is connected with second gauge, the second reduction valve is connected with in described second gauge outlet side, the second described reduction valve outlet side is connected with the second air inlet electromagnetic valve, the second described air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, the second tensimeter and the second pressure transducer is provided with between the second described reduction valve and the second air inlet electromagnetic valve, pipeline between the second described air inlet electromagnetic valve and detected electric expansion valve is provided with the second exhaust solenoid valve.
A kind of electric expansion valve comprehensive performance test device as above, it is characterized in that described complete shut-down has flow valve flow value pick-up unit to comprise the 3rd draft tube, the 3rd described draft tube is provided with the 3rd air inlet ball valve, described 3rd air inlet ball valve outlet side is connected with the 3rd filtrator, the 3rd described filter outlet end is connected with the 3rd steel cylinder, the 3rd described steel cylinder outlet side is connected with the 3rd flowmeter, the 3rd reduction valve is connected with in the 3rd described flowmeter outlet side, the 3rd described reduction valve outlet side is connected with the 3rd air inlet electromagnetic valve, the 3rd described air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, the 3rd tensimeter and the 3rd pressure transducer is provided with between the 3rd described reduction valve and the 3rd air inlet electromagnetic valve, pipeline between the 3rd described air inlet electromagnetic valve and detected electric expansion valve is provided with the 3rd exhaust solenoid valve.
A kind of electric expansion valve comprehensive performance test device as above, it is characterized in that the unloaded pick-up unit of described maximum valve opening pressure reduction comprises the 4th draft tube, the 4th described draft tube is provided with the 4th air inlet ball valve, described 4th air inlet ball valve outlet side is connected with the 4th filtrator, the 4th described filter outlet end is connected with the 4th steel cylinder, the 4th described steel cylinder outlet side is connected with the 4th flowmeter, the 4th reduction valve is connected with in the 4th described flowmeter outlet side, the 4th described reduction valve outlet side is connected with the 4th air inlet electromagnetic valve, the 4th described air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, the 4th tensimeter and the 4th pressure transducer is provided with between the 4th described reduction valve and the 4th air inlet electromagnetic valve, pipeline between the 4th described air inlet electromagnetic valve and detected electric expansion valve is provided with exhaust solenoid valve.
A kind of electric expansion valve comprehensive performance test device as above, it is characterized in that described zero load and band carry air mass flow value detection device and comprise no-load detector and be with a year detecting device, described no-load detector of drawing together comprises the 5th draft tube, the 5th described draft tube is provided with the 5th air inlet ball valve, described 5th air inlet ball valve outlet side is connected with the 5th filtrator, the 5th described filter outlet end is connected with the 5th steel cylinder, the 5th described steel cylinder outlet side is connected with the 5th flowmeter, the 5th reduction valve is connected with in the 5th described flowmeter outlet side, the 5th described reduction valve outlet side is connected with air inlet the 5th solenoid valve, described air inlet the 5th solenoid valve outlet side is connected with the air intake opening of detected electric expansion valve, the 5th tensimeter and the 5th pressure transducer is provided with between the 5th described reduction valve and the 5th air inlet electromagnetic valve, pipeline between the 5th described 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, the 6th described draft tube is provided with the 6th air inlet ball valve, described 6th air inlet ball valve outlet side is connected with the 6th filtrator, the 6th described filter outlet end is connected with the 6th steel cylinder, the 6th described steel cylinder outlet side is connected with the 6th reduction valve, the 6th described reduction valve outlet side is connected with the 6th air inlet electromagnetic valve, the 6th described air inlet electromagnetic valve outlet side is connected with the pipeline on the air intake opening being connected to detected electric expansion valve.
A kind of electric expansion valve comprehensive performance test device as above, it is characterized in that the first described air flow rate detecting device, second air flow rate detecting device is identical with the structure of the 3rd air flow rate detecting device, comprise draft tube respectively, described draft tube is provided with air inlet ball valve, described air inlet ball valve outlet side is connected with filtrator, described filter outlet end is connected with steel cylinder, described steel cylinder outlet side is connected with flowmeter, reduction valve is connected with in described flowmeter outlet side, described reduction valve outlet side is connected with air inlet electromagnetic valve, described air inlet electromagnetic valve outlet side is connected with the air intake opening of detected electric expansion valve, tensimeter and pressure transducer is provided with between described reduction valve and air inlet electromagnetic valve, pipeline between described air inlet electromagnetic valve and detected electric expansion valve is provided with exhaust solenoid valve.
A kind of electric expansion valve comprehensive performance test device as above, is characterized in that on described turntable, be also provided with the specified pulse settings device that dispatches from the factory.
A kind of electric expansion valve comprehensive performance test device as above, is characterized in that also being provided with reserved 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, operated by 3 former people and reduce to 1 people and operate, decrease clamping times, decrease the loss to product, decrease the interference of human factor simultaneously, effectively ensure that the accuracy of testing result.
Accompanying drawing explanation
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 the schematic diagram of valve opening 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 schematic diagram of the unloaded pick-up unit of maximum valve opening pressure reduction;
Fig. 7 is schematic diagram that is unloaded and band year air mass flow value detection device;
Fig. 8 is the schematic diagram of the first air flow rate detecting device;
Fig. 9 is the schematic diagram of the second air flow rate detecting device;
Figure 10 is the schematic diagram of the 3rd air flow rate detecting device.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the present invention to be described further:
A kind of electric expansion valve comprehensive performance test device as described in Fig. 1 to 10, comprise turntable 1, described turntable is provided with valve installation station 2, valve detection district 3 and valve discharge station 4, be provided with in described valve detection district 3 and be respectively equipped with leakage rate testing fixture 5, valve opening pulse detecting equipment 6, complete shut-down has flow valve flow value pick-up unit 7, the unloaded pick-up unit 8 of maximum valve opening pressure reduction, 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, product coding is swept computing machine by bar code, is fixed in test station by product.
Air mass flow detection components 10 described in the present invention comprises the first air flow rate detecting device 101, second air flow rate detecting device 102 and the 3rd air flow rate detecting device 103.
As shown in Figure 3, leakage rate testing fixture 5 described in the present invention includes the first draft tube 51, the first described draft tube 51 is provided with the first air inlet ball valve 52, described first air inlet ball valve 52 outlet side is connected with the first filtrator 53, the first described filtrator 53 outlet side is connected with the first reduction valve 54, the first described reduction valve 54 outlet side is connected with the first steel cylinder 55, the first described steel cylinder 55 outlet side is connected with the first air inlet electromagnetic valve 56, the first described air inlet electromagnetic valve 56 outlet side is connected with the air intake opening of detected electric expansion valve 11, pipeline between the first described 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 the first described air inlet electromagnetic valve 56 and detected electric expansion valve 11 is provided with the first exhaust solenoid valve 59, the gas outlet of described detected electric expansion valve 56 is connected with first-class gauge 510.
Leakage rate testing fixture 5 is mainly used in complete shut-down and detects without flow valve leakage rate, and first by product complete shut-down 300P, valve body forward air inlet tube applies 1MPa pressure compressed air; Measure air mass flow value.This station detects about 8 seconds used times.
As shown in Figure 4, valve opening pulse detecting equipment 6 described in the present invention comprises the second draft tube 61, the second described draft tube 61 is provided with the second air inlet ball valve 62, described second air inlet ball valve 62 outlet side is connected with the second filtrator 63, the second described filtrator 63 outlet side is connected with the second steel cylinder 64, the second described steel cylinder 64 outlet side is connected with second gauge 65, the second reduction valve 66 is connected with in described second gauge 65 outlet side, the second described reduction valve 66 outlet side is connected with the second air inlet electromagnetic valve 67, the second described air inlet electromagnetic valve 67 outlet side is connected with the air intake opening of detected electric expansion valve 11, the second tensimeter 68 and the second pressure transducer 69 is provided with between the second described reduction valve 66 and the second air inlet electromagnetic valve 67, pipeline between the second described air inlet electromagnetic valve 67 and detected electric expansion valve 11 is provided with the second exhaust solenoid valve 610.
After filtration, be stabilized in 0.1 ~ 0.7MPa a bit after decompression, enter tested electric expansion valve by solenoid control, then send valve opening pulse continuously to electric expansion valve, when expanding valve core rotates to valve opening point, expansion valve is opened extraneous source of the gas.Judging whether expansion valve is opened by judging now whether electric expansion valve gas through-flow amount exceedes setting value, if airshed exceedes setting value, then oppositely sending 1 ~ 2 driving pulse again, judging whether gas through-flow amount falls after rise; So repeatedly twice, then can determine that this point is valve opening 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, the 3rd described draft tube 71 is provided with the 3rd air inlet ball valve 72, described 3rd air inlet ball valve 72 outlet side is connected with the 3rd filtrator 73, the 3rd described filtrator 73 outlet side is connected with the 3rd steel cylinder 74, the 3rd described steel cylinder 74 outlet side is connected with the 3rd flowmeter 75, the 3rd reduction valve 76 is connected with in the 3rd described flowmeter 75 outlet side, the 3rd described reduction valve 76 outlet side is connected with the 3rd air inlet electromagnetic valve 77, the 3rd described air inlet electromagnetic valve 77 outlet side is connected with the air intake opening of detected electric expansion valve 11, the 3rd tensimeter 78 and the 3rd pressure transducer 79 is provided with between the 3rd described reduction valve 76 and the 3rd air inlet electromagnetic valve 77, pipeline between the 3rd described 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 compressed air; Measure test specimen original state air mass flow value.The measurement asynchronous with valve opening pulse detecting equipment 6 with leakage rate testing fixture 5 of this pick-up unit.If measure complete shut-down without flow valve, then turntable rotates so far after station, closes valve 80P.If measure complete shut-down have flow valve, then leakage rate testing fixture 5 and valve opening pulse detecting equipment 6 are not measured, and complete shut-down has flow valve flow value pick-up unit 7 to close valve 80P not perform.
As shown in Figure 6, the unloaded pick-up unit 8 of maximum valve opening pressure reduction described in the present invention comprises the 4th draft tube 81, the 4th described draft tube 81 is provided with the 4th air inlet ball valve 82, described 4th air inlet ball valve 82 outlet side is connected with the 4th filtrator 83, the 4th described filtrator 83 outlet side is connected with the 4th steel cylinder 84, the 4th described steel cylinder 84 outlet side is connected with the 4th flowmeter 85, the 4th reduction valve 86 is connected with in the 4th described flowmeter 85 outlet side, the 4th described reduction valve 86 outlet side is connected with the 4th air inlet electromagnetic valve 87, the 4th described air inlet electromagnetic valve 87 outlet side is connected with the air intake opening of detected electric expansion valve 11, the 4th tensimeter 88 and the 4th pressure transducer 89 is provided with between the 4th described reduction valve 86 and the 4th air inlet electromagnetic valve 87, pipeline between the 4th described 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 to be opened into 250PS (can set) with nominal drive condition DC12V/1 ~ 2 phase excitation/setpoint frequency, access 0.1MPa gas, measures air mass flow Q1 value.Then, cut off gas admittance valve, expansion valve is closed valve 150P with the drive condition of DC12V/1 ~ 2 phase excitation/setpoint frequency by measured piece, residue 150P is transferred to lower station to be continued.
As shown in Figure 7, zero load described in the present invention and band carry air mass flow value detection device 9 and comprise no-load detector 91 and be with a year detecting device 92, described no-load detector 91 of drawing together comprises the 5th draft tube 911, the 5th described draft tube 911 is provided with the 5th air inlet ball valve 912, described 5th air inlet ball valve 912 outlet side is connected with the 5th filtrator 913, the 5th described filtrator 913 outlet side is connected with the 5th steel cylinder 914, the 5th described steel cylinder 914 outlet side is connected with the 5th flowmeter 915, the 5th reduction valve 916 is connected with in the 5th described flowmeter 915 outlet side, the 5th described reduction valve 916 outlet side is connected with air inlet the 5th solenoid valve 917, described air inlet the 5th solenoid valve 917 outlet side is connected with the air intake opening of detected electric expansion valve 11, the 5th tensimeter 918 and the 5th pressure transducer 919 is provided with between the 5th described reduction valve 916 and the 5th air inlet electromagnetic valve 917, pipeline between the 5th described 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, the 6th described draft tube 921 is provided with the 6th air inlet ball valve 922, described 6th air inlet ball valve 922 outlet side is connected with the 6th filtrator 923, the 6th described filtrator 923 outlet side is connected with the 6th steel cylinder 924, the 6th described steel cylinder 924 outlet side is connected with the 6th reduction valve 925, the 6th described reduction valve 925 outlet side is connected with the 6th air inlet electromagnetic valve 926, the 6th described air inlet electromagnetic valve 926 outlet side is connected with the pipeline on the air intake opening being connected to detected electric expansion valve 11.
Valve body forward air inlet tube applies 3.5MPa pressure compressed air; Expansion valve is driven to be opened into 250PS (adjustable) with nominal drive condition DC7.5V (voltage is adjustable)/1 ~ 2 phase excitation/rated frequency; Then apply 0.1MPa pressure compressed air at valve body forward air inlet tube, measure air mass flow Q2 value.More unloaded with band carry twice air mass flow value: Δ V=(Q1-Q2)/Q1 × 100%, variable quantity is qualified within 5%.
As shown in Figures 8 to 10, the first air flow rate detecting device 101 described in the present invention, second air flow rate detecting device 102 is identical with the structure of the 3rd air flow rate detecting device 103, comprise draft tube 1001 respectively, described draft tube 1001 is provided with air inlet ball valve 1002, described air inlet ball valve 1002 outlet side is connected with filtrator 1003, described filtrator 1003 outlet side is connected with steel cylinder 1004, described steel cylinder 1005 outlet side is connected with flowmeter 1006, reduction valve 1007 is connected with in described flowmeter 1006 outlet side, described reduction valve 1007 outlet side is connected with air inlet electromagnetic valve 1008, described air inlet electromagnetic valve 1008 outlet side is connected with the air intake opening of detected electric expansion valve, tensimeter 1009 and pressure transducer 1010 is provided with between described reduction valve 1007 and air inlet electromagnetic valve 1008, 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 flow rate detecting device 101, valve body forward air inlet tube applies 0.1MPa pressure compressed air; Expansion valve is driven to be opened into certain step number (100P) with nominal drive condition DC12V/1 ~ 2 phase excitation/rated frequency; Then air mass flow value is measured.
In second air flow rate detecting device 102, valve body forward air inlet tube applies 0.1MPa pressure compressed air; Expansion valve is driven to be opened into certain step number (250P) with nominal drive condition DC12V/1 ~ 2 phase excitation/rated frequency; Then air mass flow value is measured.
3rd air flow rate detecting device 103 valve body forward air inlet tube applies 0.1MPa pressure compressed air; Expansion valve is driven to be opened into certain step number (500P) with nominal drive condition DC12V/1 ~ 2 phase excitation/rated frequency; Then air mass flow value is measured.
On described turntable 1, the specified pulse settings device 12 that dispatches from the factory also is provided with in the present invention.By unloaded for tested valve complete shut-down, then open to 300PS with nominal drive condition
On described turntable 1, reserved station 13 is also provided with in the present invention.Can need to increase flow detection function according to detection on this station, also can increase laser marking function on this station.
Reduction valve described in the present invention: adopt import high-accuracy electric proportional dump valve, can to carry out susceptibility be 0.1%F.S. reproducibility is that the high precision air pressure of positive and negative 0.1%F.S. controls.Guarantee that flow detection admission pressure is stablized.
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 flowmeter forward type when arranging flowmeter, can effectively reduce tested valve outlet back pressure, ensures measuring accuracy.
Described solenoid valve: adopt guiding valve to control, replace the direct-acting electromagnetic valve in the past adopted.Guiding valve flow area is large, and system does not need to use retaining valve, reduces the pressure loss in pipeline, make reduction valve top hole pressure and measured piece intake pressure basically identical, favourable to flow rate test.
The power supply that proving installation of the present invention adopts is voltage controller power source: adopt military project DC voltage regulator power supply, according to test process, automatically adjust output voltage, there is voltage-regulation steady, the feature such as constant current, constant voltage, and there is 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, card is rotated, and utilize three-chip type toothed clutches to locate, to reach high-mechanic and high-accuracy location.Respectively there is a snubber assembly in the left and right of index plate, its objective is when quick rotation, reduce inertia effect, reduce shaking force.
Detected data, using scanning barcode as test product id number, are carried out correspondence and are stored by the bar-code reader described in the present invention: Equipments Setting Honeywell bar-code reader 1.Detection data retrieval can be carried out according to product IDs number.Host computer automatically by the code of scanner scanning and the measured piece of this station corresponding, and the detecting information of record is uploaded to central processing unit.
Control system is adopted: 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) in proving installation of the present invention; Adopt PLC system as slave computer, PLC and host computer carry out communication by R485, transmission data.
Take WinXP as operating system, with Labview or VB establishment, graphical interfaces is friendly.Upper computer software has optimum configurations, process control, data record, arrangement, storage, display, 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 equipment simulating service chart, can show running status and the parameter of each equipment on computers, also can by the operation of software controlled device.Software also has equipment fault diagnosis function, proposes countermeasure, convenient for maintaining human users to device fault information.
The mode in all data using data storehouses is preserved, and by various ways inquiry historical record in the past, can show and print all data comprising conditional curve.
The different measuring abilities of each test product carry out gathering storage by software systems self, form Product checking data archival.Expanded function can promote logistics and supplies management, the manufacturing and assembling level; Realization of Product is traced to the source management, reduces handling cost, enhance productivity.
Claims (10)
1. an electric expansion valve comprehensive performance test device, comprise turntable (1), it is characterized in that: on described turntable, be provided with valve installation station (2), valve detection district (3) and valve discharge station (4), be provided with in described valve detection district (3) and be respectively equipped with leakage rate testing fixture (5), valve opening pulse detecting equipment (6), complete shut-down has flow valve flow value pick-up unit (7), the unloaded pick-up unit (8) of maximum valve opening pressure reduction, 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 flow rate detecting device (101), the second air flow rate detecting device (102) and the 3rd air flow rate detecting device (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), described the first draft tube (51) is provided with the first air inlet ball valve (52), described first air inlet ball valve (52) outlet side is connected with the first filtrator (53), described the first filtrator (53) outlet side is connected with the first reduction valve (54), described the first reduction valve (54) outlet side is connected with the first steel cylinder (55), described the first steel cylinder (55) outlet side is connected with the first air inlet electromagnetic valve (56), 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), the gas outlet of described detected electric expansion valve (56) is connected with first-class gauge (510).
4. a kind of electric expansion valve comprehensive performance test device according to claim 1, it is characterized in that described valve opening pulse detecting equipment (6) comprises the second draft tube (61), described the second draft tube (61) is provided with the second air inlet ball valve (62), described second air inlet ball valve (62) outlet side is connected with the second filtrator (63), described the second filtrator (63) outlet side is connected with the second steel cylinder (64), described the second steel cylinder (64) outlet side is connected with second gauge (65), the second reduction valve (66) is connected with in described second gauge (65) outlet side, described the second reduction valve (66) outlet side is connected with the second air inlet electromagnetic valve (67), described the second air inlet electromagnetic valve (67) outlet side is connected with the air intake opening of detected electric expansion valve (11), the second tensimeter (68) and the second pressure transducer (69) is provided with between described the second reduction valve (66) and the second air inlet electromagnetic valve (67), 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), the 3rd described draft tube (71) is provided with the 3rd air inlet ball valve (72), described 3rd air inlet ball valve (72) outlet side is connected with the 3rd filtrator (73), the 3rd described filtrator (73) outlet side is connected with the 3rd steel cylinder (74), the 3rd described steel cylinder (74) outlet side is connected with the 3rd flowmeter (75), the 3rd reduction valve (76) is connected with in the 3rd described flowmeter (75) outlet side, the 3rd described reduction valve (76) outlet side is connected with the 3rd air inlet electromagnetic valve (77), the 3rd described air inlet electromagnetic valve (77) outlet side is connected with the air intake opening of detected electric expansion valve (11), the 3rd tensimeter (78) and the 3rd pressure transducer (79) is provided with between the 3rd described reduction valve (76) and the 3rd air inlet electromagnetic valve (77), pipeline between the 3rd described 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 the unloaded pick-up unit (8) of described maximum valve opening pressure reduction comprises the 4th draft tube (81), the 4th described draft tube (81) is provided with the 4th air inlet ball valve (82), described 4th air inlet ball valve (82) outlet side is connected with the 4th filtrator (83), the 4th described filtrator (83) outlet side is connected with the 4th steel cylinder (84), the 4th described steel cylinder (84) outlet side is connected with the 4th flowmeter (85), the 4th reduction valve (86) is connected with in the 4th described flowmeter (85) outlet side, the 4th described reduction valve (86) outlet side is connected with the 4th air inlet electromagnetic valve (87), the 4th described air inlet electromagnetic valve (87) outlet side is connected with the air intake opening of detected electric expansion valve 11, the 4th tensimeter (88) and the 4th pressure transducer (89) is provided with between the 4th described reduction valve (86) and the 4th air inlet electromagnetic valve (87), pipeline between the 4th described 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 no-load detector (91) and be with a year detecting device (92), described no-load detector (91) of drawing together comprises the 5th draft tube (911), the 5th described draft tube (911) is provided with the 5th air inlet ball valve (912), described 5th air inlet ball valve (912) outlet side is connected with the 5th filtrator (913), the 5th described filtrator (913) outlet side is connected with the 5th steel cylinder (914), the 5th described steel cylinder (914) outlet side is connected with the 5th flowmeter (915), the 5th reduction valve (916) is connected with in the 5th described flowmeter (915) outlet side, the 5th described reduction valve (916) outlet side is connected with air inlet the 5th solenoid valve (917), described air inlet the 5th solenoid valve (917) outlet side is connected with the air intake opening of detected electric expansion valve (11), the 5th tensimeter (918) and the 5th pressure transducer (919) is provided with between the 5th described reduction valve (916) and the 5th air inlet electromagnetic valve (917), pipeline between the 5th described 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), the 6th described draft tube (921) is provided with the 6th air inlet ball valve (922), described 6th air inlet ball valve (922) outlet side is connected with the 6th filtrator (923), the 6th described filtrator (923) outlet side is connected with the 6th steel cylinder (924), the 6th described steel cylinder (924) outlet side is connected with the 6th reduction valve (925), the 6th described reduction valve (925) outlet side is connected with the 6th air inlet electromagnetic valve (926), the 6th described air inlet electromagnetic valve (926) outlet side is connected with the pipeline on the air intake opening being 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 flow rate detecting device (101), second air flow rate detecting device (102) is identical with the structure of the 3rd air flow rate detecting device (103), comprise draft tube (1001) respectively, described draft tube (1001) is provided with air inlet ball valve (1002), described air inlet ball valve (1002) outlet side is connected with filtrator (1003), described filtrator (1003) outlet side is connected with steel cylinder (1004), described steel cylinder (1005) outlet side is connected with flowmeter (1006), reduction valve (1007) is connected with in described flowmeter (1006) outlet side, described reduction valve (1007) outlet side is connected with air inlet electromagnetic valve (1008), described air inlet electromagnetic valve (1008) outlet side is connected with the air intake opening of detected electric expansion valve, tensimeter (1009) and pressure transducer (1010) is provided with between described reduction valve (1007) and air inlet electromagnetic valve (1008), 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 on described turntable (1), be also provided with the specified pulse settings device (12) that dispatches from the factory.
10. a kind of electric expansion valve comprehensive performance test device according to claim 1, is characterized in that also being provided with reserved station (13) on described turntable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230211.0A CN102928209B (en) | 2011-08-11 | 2011-08-11 | Comprehensive performance testing device for electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230211.0A CN102928209B (en) | 2011-08-11 | 2011-08-11 | Comprehensive performance testing device for electronic expansion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102928209A CN102928209A (en) | 2013-02-13 |
| CN102928209B true CN102928209B (en) | 2015-05-20 |
Family
ID=47643062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110230211.0A Active CN102928209B (en) | 2011-08-11 | 2011-08-11 | Comprehensive performance testing device for electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102928209B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187000A (en) * | 2018-09-13 | 2019-01-11 | 格力电器（武汉）有限公司 | Electric expansion valve maximum actuation pressure difference test device |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215408A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Valve air tightness detection system |
| CN103411766B (en) * | 2013-08-13 | 2015-09-23 | 中国计量学院 | Heating power expansion valve flow testing device and method of testing |
| CN103499417A (en) * | 2013-09-13 | 2014-01-08 | 塑能科技（苏州）有限公司 | Leakage testing machine |
| CN104122084B (en) * | 2014-08-07 | 2016-12-21 | 珠海格力电器股份有限公司 | Detection apparatus and method for electric expansion valve |
| CN104390767B (en) * | 2014-09-28 | 2017-01-25 | 宁波舜江汽车部件制造有限公司 | Fuel tank cap automatic detection apparatus |
| CN107037344B (en) * | 2016-12-16 | 2023-11-17 | 慈溪市天行电器有限公司 | Comprehensive testing equipment for electromagnetic valve performance |
| CN108267303B (en) * | 2017-01-03 | 2024-03-22 | 权星智控***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 | A kind of system and method for automatic detection electric expansion valve |
| CN113390627B (en) * | 2021-06-30 | 2022-11-15 | 四川航天烽火伺服控制技术有限公司 | Pressure reducing valve centrifugal overload test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040108250A (en) * | 2003-06-17 | 2004-12-23 | 엘지전자 주식회사 | A hotting drive method of heat pump multi-air conditioner |
| CN101278180A (en) * | 2005-09-29 | 2008-10-01 | 罗斯蒙德公司 | Leak detector for process valve |
| CN101846536A (en) * | 2010-05-27 | 2010-09-29 | 中国计量学院 | Device and method for measuring flow of electronic expansion valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH024177A (en) * | 1988-06-22 | 1990-01-09 | Matsushita Electric Ind Co Ltd | Controller for electronic expansion valve |
-
2011
- 2011-08-11 CN CN201110230211.0A patent/CN102928209B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040108250A (en) * | 2003-06-17 | 2004-12-23 | 엘지전자 주식회사 | A hotting drive method of heat pump multi-air conditioner |
| CN101278180A (en) * | 2005-09-29 | 2008-10-01 | 罗斯蒙德公司 | Leak detector for process valve |
| CN101846536A (en) * | 2010-05-27 | 2010-09-29 | 中国计量学院 | Device and method for measuring flow of electronic expansion valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187000A (en) * | 2018-09-13 | 2019-01-11 | 格力电器（武汉）有限公司 | Electric expansion valve maximum actuation pressure difference test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102928209A (en) | 2013-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102928209B (en) | Comprehensive performance testing device for electronic expansion valve | |
| TW305931B (en) | ||
| WO2011147222A1 (en) | Control method and system of intelligent detection, restoration for lead-acid battery group | |
| CN108005893A (en) | A kind of energy-saving air compressor machine analysis and diagnosis system and its control method | |
| CN106017968A (en) | EGR cooler heat exchange efficiency detection system | |
| CN206804293U (en) | Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator | |
| CN108267304A (en) | Coalcutter brake dynamometer | |
| CN104343671B (en) | Air pump performance test system | |
| CN205207140U (en) | Air compressor machine performance detecting system | |
| CN209148845U (en) | A kind of driving control system for electric machine efficiency Detecting data frame based on power control | |
| CN109855798A (en) | A kind of portable pressure in-line calibration device based on PXI bussing technique | |
| CN207281255U (en) | Generator carbon brush on-line monitoring system | |
| CN109298336A (en) | A kind of electric motor of automobile detection system | |
| CN205826299U (en) | A kind of EGR valve flow testing system | |
| CN203163986U (en) | Deceleration-machine test apparatus and deceleration-machine production line | |
| CN104199418A (en) | Air compression station data acquisition and central control device | |
| CN208012863U (en) | A kind of performance detecting system of ball-screw | |
| CN210461142U (en) | Two-stage gas suspension centrifugal air compressor performance test system | |
| CN107907838A (en) | A kind of redundant power module tests system and method | |
| CN103309372A (en) | Direct-current power cabinet with on-line temperature measuring function | |
| CN214304143U (en) | Monitoring and control system | |
| CN106017910A (en) | EGR valve flow testing system | |
| CN209565266U (en) | A kind of undesirable system of screening flexible packaged battery core pressure drop | |
| CN203756487U (en) | Intelligent control system through compressed air flow | |
| CN108138760A (en) | For controlling the system of compressibility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |