CN202041373U - Rotary type multi-station integrative testing device for electronic expansion valve - Google Patents
Rotary type multi-station integrative testing device for electronic expansion valve Download PDFInfo
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- CN202041373U CN202041373U CN201120095349XU CN201120095349U CN202041373U CN 202041373 U CN202041373 U CN 202041373U CN 201120095349X U CN201120095349X U CN 201120095349XU CN 201120095349 U CN201120095349 U CN 201120095349U CN 202041373 U CN202041373 U CN 202041373U
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Abstract
The utility model discloses a rotary type multi-station integrative testing device for an electronic expansion valve, which comprises a valve loading and unloading station, a valve closing station, a closed valve flow testing station, a first valve open point testing station, a second valve open point testing station, a noload flow testing station, a high-voltage valve open station, a load flow testing station, a small flow testing station, a large flow testing station, a pulse setting station, a fixed operation table, a rotary operation table, an index plate, a control system and the like. An operator takes a measured valve from the valve loading and unloading station and puts a valve to be measured in position after scanning the valve, measured valves are transported to appointed stations in a rotary manner, and procedures such as closed valve flow testing, valve open point testing, maximum valve open differential voltage, multipoint flow testing, leave factory pulse setting and the like can be realized. The problems that an existing electronic expansion valve testing device is low in automation and needs to be clamped again once an index is tested can be resolved, operation time is saved, the defect that one device is capable of testing one performance index only can be overcome, testing automation level is improved.
Description
Technical field
The utility model relates to the electric expansion valve proving installation, especially relates to a kind of rotary type multi-station comprehensive test device of electric expansion valve.
Background technology
Throttle mechanism and compressor, condenser, evaporator and be called " the four big parts " of refrigeration system in refrigeration system, it is one of requisite element in the refrigeration system, play a part the throttling step-down, directly controlling the degree of superheat of the flow and the evaporator outlet of evaporator refrigerant.Electric expansion valve is as a kind of throttle mechanism, along with the increased popularity of convertible frequency air-conditioner, uses more and more widely, compares with traditional kapillary, restriction sleeve and heating power expansion valve, and electric expansion valve has advantages such as degree of regulation height, range of adjustment are big.And at present during low, the test block mounting cost of the automaticity of electric expansion valve testing apparatus, replace shortcomings such as frock clamp is time-consuming, especially an equipment can only be tested performance index, it is low to cause testing whole efficiency, develop a clamping and finish all properties test, the faster testing apparatus of flow of electronic expansion valve easily and test technology and using method, satisfying the higher demand of electric expansion valve manufacturing enterprise, is the effective way that improves electric expansion valve production efficient.
Summary of the invention
In order to improve whole work efficiency and security, the purpose of this utility model is to provide a kind of rotary type multi-station comprehensive test device of electric expansion valve.
The technical solution adopted in the utility model is:
This device adopts circular rotary table, the peripheral annulus of table surface partly is a stationary work-table, be supported on equally distributed first column below the stationary work-table, second column, the 3rd column, on the 4th column, the stationary work-table left side is provided with switch board, above the stationary work-table since first column even installation valve load/unload stations arranged evenly counterclockwise, close the valve station, close valve flow measurement station, open valve point and measure first station, open valve point and measure second station, no load discharge is measured station, height presses off the valve station, load flow is measured station, low discharge is measured station, big flow measurement station, station is set in pulse; Key box is installed on the valve load/unload stations left side, scanner is installed on valve load/unload stations the right, close valve station the right optoelectronic switch is installed, the electric mounting circular ring of horizontal direction fixing test of close stationary work-table one side between described four root posts, circular portion is a rotary table in the middle of the table surface, the rotary table table top is near the even identical rotary table station frock of arranged evenly and above-mentioned station number of stationary work-table circumference, the rotary table center connects turning axle, is connected to the index plate of translator under the axial rotary.
On the described detecting electric mounting circular ring, the first column inner side is installed frock cylinder two-position five-way valve, the frock cylinder is installed pulse with the two-position five-way valve left side and is set station electronic expansion valve controls device, the frock cylinder is installed with two-position five-way valve the right and is closed valve station electronic expansion valve controls device, closing valve station electronic expansion valve controls device counterclockwise sets to install successively between the station electronic expansion valve controls device to pulse and closes the valve flow and close valve flow measurement station air inlet solenoid valve, close valve flow measurement station electronic flow-meter, open valve point and measure the first station air inlet solenoid valve, open valve point and measure the first station electronic flow-meter, open valve point and measure the first station electronic expansion valve controls device, open valve point and measure the second station air inlet solenoid valve, open valve point and measure the second station electronic flow-meter, open valve point and measure the second station electronic expansion valve controls device, no load discharge is measured station air inlet solenoid valve, no load discharge is measured the station electronic flow-meter, no load discharge is measured station electronic expansion valve controls device, height presses off valve station air inlet solenoid valve, height presses off valve station electronic expansion valve controls device, load flow is measured station air inlet solenoid valve, load flow is measured the station electronic flow-meter, load flow is measured station electronic expansion valve controls device, low discharge is measured station air inlet solenoid valve, low discharge is measured the station electronic flow-meter, low discharge is measured station electronic expansion valve controls device, big flow measurement station air inlet solenoid valve, big flow measurement station electronic flow-meter, big flow measurement station electronic expansion valve controls device, switch board connects described controller, solenoid valve and flowmeter are also controlled the work of corresponding station frock.
Described rotary table station tool structure is identical, fixed base plate is all arranged at each rotary table station frock bottom, vertically install and fix riser near turning axle one side above the fixed base plate, fixed board is connected swingle by set bolt with Fixed latches, near the fixed base plate center top board is installed below the swingle, air outlet adapter is installed in the fixed base plate center, inlet suction port is installed on the air outlet adapter left side, inlet suction port is connected draft tube and escape pipe with air outlet adapter respectively by the gas circuit adapter, fixed base plate is installed the tracheae fixed cover away from the turning axle one side left side, fixed base plate is installed first coupling bar and second coupling bar away from turning axle one side the right, twine first spring on first coupling bar and be connected to passive contact copper sheet back up pad, twine second spring on second coupling bar two and be connected to passive contact copper sheet back up pad, passive contact latten(-tin) is installed on the passive contact copper sheet back up pad.
Described valve load/unload stations, close the valve station, close valve flow measurement station, open valve point and measure first station, open valve point and measure second station, no load discharge is measured station, height presses off the valve station, load flow is measured station, low discharge is measured station, big flow measurement station is set station with pulse all identical tool structure, the frock base plate is all arranged at each stationary work-table station frock bottom, the frock base plate is vertically installed air cylinder fixed plate near turning axle one side, cylinder is fixed on cylinder base plate and air cylinder fixed plate square position, cylinder connects air passage block near turning axle one side, the air passage block left side aims at draft tube by the turning axle outside and the escape pipe position is provided with the air inlet seal respectively and goes out hermetic sealing, the air inlet seal is by the inner inlet suction port that connects of air passage block, go out hermetic sealing by the inner air outlet adapter that connects of air passage block, air passage block the right is installed by the turning axle outside and is initiatively contacted the copper sheet back up pad, initiatively contacts to install on the copper sheet back up pad initiatively to contact copper sheet.
Close valve flow measurement station on the described stationary work-table, open valve point and measure first station, open valve point and measure second station, no load discharge and measure station, load flow and measure station, low discharge to measure the gas piping of station, big flow measurement station identical; Opening valve point measures the gas piping structure of first station and be: test gas is measured to feed behind the first station air inlet solenoid valve and is opened valve point and measure the first station electronic flow-meter by opening valve point, measure the draft tube that enters rotary table station frock behind the inlet suction port of the first station frock and the air inlet seal by opening valve point again, draft tube is connected to the air intake opening of electric expansion valve, test gas feeds the escape pipe of rotary table station frock by the gas outlet of electric expansion valve, measure hermetic sealing and the air outlet adapter of the first station frock and discharge by opening valve point at last, coil is installed in tested electric expansion valve top, opens valve point and measures a station electronic expansion valve controls device control coil switch electronic expansion valve.
The high gas piping structure that presses off the valve station is on the described stationary work-table: test gas presses off by height and feeds the high draft tube that enters rotary table station frock behind inlet suction port on the valve station frock and the air inlet seal that presses off behind the valve station air inlet solenoid valve, draft tube is connected to the air intake opening of electric expansion valve, the gas outlet of test gas by electric expansion valve feeds the escape pipe of rotary table station frock, at last by height press off valve station frock go out hermetic sealing and air outlet adapter is discharged.
The beneficial effect that the utlity model has is:
1, solves index of low, the every survey of present electric expansion valve proving installation automaticity and all needed the shortcoming of clamping again, saved the working time.
2, overcome the defective that a table apparatus can only be tested performance index, a table apparatus just can be finished all properties test, has improved the test automation degree.
3, all properties index that tests electric expansion valve only need a workman be operated, and has saved job costs greatly, improves the competitiveness of product in market.
Description of drawings
Fig. 1 is a schematic top plan view of the present utility model;
Fig. 2 is that the master of Fig. 1 looks synoptic diagram;
Fig. 3 is a detecting electric mounting circular ring schematic top plan view in the utility model;
Fig. 4 is a rotary table station frock schematic top plan view in the utility model;
Fig. 5 is the schematic side view of Fig. 4;
Fig. 6 is a stationary work-table station frock elevational schematic view in the utility model;
Fig. 7 is that control system connects block diagram in the utility model;
Fig. 8 opens valve point to measure station test pneumatic diagram in the utility model;
Fig. 9 is each test station function description table in the utility model;
Among the figure: 1. key box, 2. scanner, 3. optoelectronic switch, 4. valve load/unload stations, 5. rotary table station frock, 6. close the valve station, 8. close valve flow measurement station, 10. open valve point and measure first station, measure second station 12. open valve point, 14. no load discharge is measured station, 16. height presses off the valve station, 18. load flow is measured station, 20. low discharge is measured station, 22. big flow measurement station, 24. station is set in pulse, 26. switch board, 27. stationary work-table, 28. rotary table, 29. first column, 30. second column, 31. turning axle, 32. index plate, 33. detecting electric mounting circular ring, 34. the 3rd column, 35. the 4th column, 36. close valve station electronic expansion valve controls device, 37. close valve flow measurement station air inlet solenoid valve, 38. close valve flow measurement station electronic flow-meter, measure the first station air inlet solenoid valve 39. open valve point, measure the first station electronic flow-meter 40. open valve point, measure the first station electronic expansion valve controls device 41. open valve point, measure the second station air inlet solenoid valve 42. open valve point, measure the second station electronic flow-meter 43. open valve point, measure the second station electronic expansion valve controls device 44. open valve point, 45. no load discharge is measured station air inlet solenoid valve, 46. no load discharge is measured the station electronic flow-meter, 47. no load discharge is measured station electronic expansion valve controls device, 48. height presses off valve station air inlet solenoid valve, 49. frock cylinder two-position five-way valve, 50. height presses off valve station electronic expansion valve controls device, 51. load flow is measured station air inlet solenoid valve, 52. load flow is measured the station electronic flow-meter, 53. load flows are measured station electronic expansion valve controls device, and 54. low discharges are measured station air inlet solenoid valve, 55. low discharge is measured the station electronic flow-meter, 56. low discharge is measured station electronic expansion valve controls device, 57. big flow measurement station air inlet solenoid valves, 58. big flow measurement station electronic flow-meters, 59. big flow measurement station electronic expansion valve controls device, 60. station electronic expansion valve controls device, 61. fixed base plates, 62. fixed boards are set in pulse, 63. set bolt, 64. Fixed latches, 65. swingles, 66. escape pipes, 67. draft tube, 68. first coupling bar, 69. first springs, 70. second coupling bars, 71. second spring, 72. passive contact copper sheet back up pad, 73. passive contact latten(-tin)s, 74. tracheae fixed covers, 75. inlet suction port, 76. air outlet adapter, 77. gas circuit adapters, 78. top boards, 79. frock base plate, 80. cylinder, 81. air cylinder fixed plate, 82. air passage blocks, 83. air inlet seal, 84. go out hermetic sealing, 85. initiatively contact the copper sheet back up pad, 86. initiatively contact copper sheet, 87. inlet suction port, 88. air outlet adapter, 89. tested electric expansion valves, 90. coils
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As Fig. 1, shown in Figure 2, this device adopts circular rotary table 28, the peripheral annulus of table surface partly is a stationary work-table 27, be supported on equally distributed first column 34 below the stationary work-table 27, second column 29, the 3rd column 35, on the 4th column 30, stationary work-table 27 left sides are provided with switch board 26, and stationary work-table 27 is top since the even installation valve load/unload stations 4 arranged evenly of first column, 34 counter clockwise directions, close valve station 6, close valve flow measurement station 8, open valve point and measure first station 10, open valve point and measure second station 12, no load discharge is measured station 14, height presses off valve station 16, load flow is measured station 18, low discharge is measured station 20, big flow measurement station 22, station 24 is set in pulse; Key box 1 is installed on valve load/unload stations 4 left sides, scanner 2 is installed on valve load/unload stations 4 the right, close valve station 6 the right optoelectronic switch 3 is installed, the electric mounting circular ring 33 of horizontal direction fixing test of close stationary work-table 27 1 sides between described four root posts, circular portion is a rotary table 28 in the middle of the table surface, rotary table 28 table tops are near the even identical rotary table station frock of arranged evenly and above-mentioned station number of stationary work-table 27 circumference, rotary table 28 centers connect turning axle 31, and turning axle 31 is connected to the index plate 32 of translator downwards.
As shown in Figure 3, on the detecting electric mounting circular ring 33, first column, 34 inner sides are installed frock cylinder two-position five-way valve 49, the frock cylinder is installed pulse with two-position five-way valve 49 left sides and is set station electronic expansion valve controls device 60, the frock cylinder is installed with two-position five-way valve 49 the right and is closed valve station electronic expansion valve controls device 36, closing valve station electronic expansion valve controls device 36 counterclockwise sets between the station electronic expansion valve controls device 60 installation successively to pulse and closes the valve flow and close valve flow measurement station air inlet solenoid valve 37, close valve flow measurement station electronic flow-meter 38, open valve point and measure the first station air inlet solenoid valve 39, open valve point and measure the first station electronic flow-meter 40, open valve point and measure the first station electronic expansion valve controls device 41, open valve point and measure the second station air inlet solenoid valve 42, open valve point and measure the second station electronic flow-meter 43, open valve point and measure the second station electronic expansion valve controls device 44, no load discharge is measured station air inlet solenoid valve 45, no load discharge is measured station electronic flow-meter 46, no load discharge is measured station electronic expansion valve controls device 47, height presses off valve station air inlet solenoid valve 48, height presses off valve station electronic expansion valve controls device 50, load flow is measured station air inlet solenoid valve 51, load flow is measured station electronic flow-meter 52, load flow is measured station electronic expansion valve controls device 53, low discharge is measured station air inlet solenoid valve 54, low discharge is measured station electronic flow-meter 55, low discharge is measured station electronic expansion valve controls device 56, big flow measurement station air inlet solenoid valve 57, big flow measurement station electronic flow-meter 58, big flow measurement station electronic expansion valve controls device 59, switch board 26 connects described controller, solenoid valve and flowmeter are also controlled the work of corresponding station frock.
As Fig. 4, shown in Figure 5, rotary table station tool structure is identical, fixed base plate 61 is all arranged at each rotary table station frock bottom, vertically install and fix riser 62 near turning axle 31 1 sides above the fixed base plate 61, fixed board 62 is connected swingle 65 by set bolt 63 with Fixed latches 64, near fixed base plate 61 centers top board 78 is installed below the swingle 65, air outlet adapter 76 is installed in fixed base plate 61 centers, inlet suction port 75 is installed on air outlet adapter 76 left sides, inlet suction port 75 is connected draft tube 67 and escape pipe 66 with air outlet adapter 76 respectively by gas circuit adapter 77, fixed base plate 61 is installed tracheae fixed cover 74 away from the turning axle 31 1 side left sides, fixed base plate 61 is installed first coupling bar 68 and second coupling bar 70 away from turning axle 31 1 sides the right, twine first spring 69 on first coupling bar 68 and be connected to passive contact copper sheet back up pad 72, twine second spring 71 on second coupling bar 70 and be connected to passive contact copper sheet back up pad 72, passive contact latten(-tin) 73 is installed on the passive contact copper sheet back up pad 72.
As shown in Figure 6, valve load/unload stations 4, close valve station 6, close valve flow measurement station 8, open valve point and measure first station 10, open valve point and measure second station 12, no load discharge is measured station 14, height presses off valve station 16, load flow is measured station 18, low discharge is measured station 20, big flow measurement station 22 is set station 24 with pulse all identical tool structure, frock base plate 79 is all arranged at each stationary work-table station frock bottom, frock base plate 79 is vertically installed air cylinder fixed plate 81 near turning axle 31 1 sides, cylinder 80 is fixed on cylinder base plate 79 and air cylinder fixed plate 81 square position, cylinder 80 connects air passage block 82 near turning axle 31 1 sides, air passage block 82 left sides aim at draft tube 67 by turning axle 31 outsides and escape pipe 66 positions are provided with air inlet seal 83 respectively and go out hermetic sealing 84, air inlet seal 83 is by the air passage block 82 inner inlet suction ports 87 that connect, go out hermetic sealing 84 by the air passage block 82 inner air outlet adapters 88 that connect, air passage block 82 the right are installed by turning axle 31 outsides and are initiatively contacted copper sheet back up pad 85, initiatively contact to install on the copper sheet back up pad 85 initiatively to contact copper sheet 86.
As shown in Figure 7, industrial computer connects the CPU of bar-code reader and PLC, the CPU of PLC carries the serial port module that interface connects PLC by PLC, serial port module connects all electronic expansion valve controls devices by 485 buses, serial port module connects the AD module by carrying interface, the AD module connects each thermal flowmeter, thermal flowmeter can be uploaded PLC with simulating signal with test gained flow, the AD module connects the DI module by carrying interface, the DI module connects stop key, pneumatic, signals such as optoelectronic switch input controlling parts, the DI module connects the DO module by carrying interface, and the DO module connects pilot lamp, the turntable control interface, each air inlet solenoid valve, signals such as two-position five-way valve output controlling parts.
As shown in Figure 8, close on the stationary work-table 27 valve flow measurement station 8, open valve point and measure first station 10, open valve point and measure second station 12, no load discharge and measure station 14, load flow and measure station 18, low discharge to measure the gas piping of station 20, big flow measurement station 22 identical; Opening valve point measures the gas piping structure of first station 10 and be: test gas is measured the first station air inlet solenoid valve, 39 backs and is fed and open valve point and measure the first station electronic flow-meter 40 by opening valve point, measure the draft tube 67 that enters rotary table station frock behind the inlet suction port 87 of first station, 10 frocks and the air inlet seal 83 by opening valve point again, draft tube 67 is connected to the air intake opening of electric expansion valve 89, test gas feeds the escape pipe 66 of rotary table station frock by the gas outlet of electric expansion valve 89, measure hermetic sealing 84 and the air outlet adapter 88 that of first station, 10 frocks and discharge by opening valve point at last, coil 90 is installed in tested electric expansion valve 89 tops, opens valve point and measures a station electronic expansion valve controls device 41 control coils 90 switch electronic expansion valves 89.
As shown in Figure 9, the high gas piping structure that presses off valve station 16 is on the stationary work-table 27: test gas presses off valve station air inlet solenoid valve 48 backs by height and feeds the high draft tube 67 that enters rotary table station frock behind inlet suction port 87 on valve station 16 frocks and the air inlet seal 83 that presses off, draft tube 67 is connected to the air intake opening of electric expansion valve 89, the gas outlet of test gas by electric expansion valve 89 feeds the escape pipe 66 of rotary table station frock, at last by height press off valve station 16 frocks go out hermetic sealing 84 and air outlet adapter 88 is discharged.
As shown in table 1, the valve load/unload stations is applicable to that full cut-off has flow valve and full cut-off not to have flow valve, and testing procedure is as follows: unloading end of test (EOT) valve, treat the side valve scanning barcode, and treat the side valve installation in position, valve pocket coil to be measured compresses measured piece.Close the valve station and be applicable to that full cut-off has flow valve and full cut-off not to have flow valve, testing procedure is as follows: whether valve is arranged on the test fixture, send out reverse impulse and close valve.Close valve flow measurement station and belong to full cut-off flow detection operation, be applicable to that full cut-off has flow valve, testing procedure is as follows: feed the 1Mpa pressure gas, again test traffic.Opening valve point measures a station and belongs to out valve point and detect operation, be applicable to that full cut-off do not have flow valve, testing procedure is as follows: after rotateing in place, feed 0.1Mpa pressurized air, pointwise sends pulse, measures each pulse down-off, judges whether out valve point according to flow, if to opening valve point, finish to open the valve point test.Opening valve point measures two stations and belongs to out valve point and detect operation, be applicable to that full cut-off do not have flow valve, testing procedure is as follows: measure a station and also do not measure out valve point if open valve point, then open valve point and measure two stations feeding 0.1Mpa pressurized air continuation pointwise transmission pulse, measure each pulse down-off, open the valve point flow up to flow arrival, send out reverse impulse then and close valve.No load discharge is measured station and belonged to maximum actuation pressure differential detection operation, is applicable to that full cut-off has flow valve and full cut-off not to have flow valve, and testing procedure is as follows: after rotateing in place, send specific pulse and drive valve, feed 0.1Mpa pressurized air, flow Q1 is measured in time-delay.Height presses off the valve station and belongs to maximum actuation pressure differential detection operation, is applicable to that full cut-off has flow valve and full cut-off not to have flow valve, and testing procedure is as follows: send out reverse impulse and close valve, feed the 3.4Mpa gases at high pressure, send specific pulse and drive valve.Load flow is measured station and is belonged to maximum actuation pressure differential detection operation, is applicable to that full cut-off has flow valve and full cut-off not to have flow valve, and testing procedure is as follows: feed pressurized air 0.1Mpa, measure flow Q2, calculate (Q2-Q1)/Q1, judge whether product is qualified, send out reverse impulse and close valve.Low discharge is measured station and is belonged to multi-point flux detection operation, be applicable to that full cut-off has flow valve and full cut-off not to have flow valve, testing procedure is as follows: send specific pulse and drive valve, feed pressurized air 0.1Mpa, measure first flow, continue to send pulse then and drive valve to specific pulse.Big flow measurement station belongs to multi-point flux and detects operation, is applicable to that full cut-off has flow valve and full cut-off not to have flow valve, and testing procedure is as follows: feed pressurized air 0.1Mpa, measure second flow, increase specific pulse again, measure thirdly flow.Pulse setting station belongs to the product pulse of dispatching from the factory operation is set, and is applicable to that full cut-off has flow valve and full cut-off not to have flow valve, and testing procedure is as follows: send out reverse impulse and close valve, send then and open the valve pulse to the factory setting number.
Table 1:
Claims (6)
1. the rotary type multi-station comprehensive test device of an electric expansion valve, it is characterized in that: adopt circular rotary table (28), the peripheral annulus of table surface partly is stationary work-table (27), be supported on equally distributed first column (34) below the stationary work-table (27), second column (29), the 3rd column (35), on the 4th column (30), stationary work-table (27) left side is provided with switch board (26), and stationary work-table (27) is top since first column (34) counter clockwise direction even installation valve load/unload stations arranged evenly (4), close valve station (6), close valve flow measurement station (8), open valve point and measure first station (10), open valve point and measure second station (12), no load discharge is measured station (14), height presses off valve station (16), load flow is measured station (18), low discharge is measured station (20), big flow measurement station (22), station (24) is set in pulse; Key box (1) is installed on valve load/unload stations (4) left side, scanner (2) is installed on valve load/unload stations (4) the right, close valve station (6) the right optoelectronic switch (3) is installed, the electric mounting circular ring of horizontal direction fixing test (33) of close stationary work-table (27) one sides between described four root posts, circular portion is rotary table (28) in the middle of the table surface, rotary table (28) table top is near the even identical rotary table station frock of arranged evenly and above-mentioned station number of stationary work-table (27) circumference, rotary table (28) center connects turning axle (31), and turning axle (31) is connected to the index plate (32) of translator downwards.
2. the rotary type multi-station comprehensive test device of a kind of electric expansion valve according to claim 1, it is characterized in that: on the described detecting electric mounting circular ring (33), first column (34) inner side is installed frock cylinder two-position five-way valve (49), the frock cylinder is installed pulse with two-position five-way valve (49) left side and is set station electronic expansion valve controls device (60), the frock cylinder is installed with two-position five-way valve (49) the right and is closed valve station electronic expansion valve controls device (36), closing valve station electronic expansion valve controls device (36) counterclockwise sets between the station electronic expansion valve controls device (60) installation successively to pulse and closes the valve flow and close valve flow measurement station air inlet solenoid valve (37), close valve flow measurement station electronic flow-meter (38), open valve point and measure the first station air inlet solenoid valve (39), open valve point and measure the first station electronic flow-meter (40), open valve point and measure the first station electronic expansion valve controls device (41), open valve point and measure the second station air inlet solenoid valve (42), open valve point and measure the second station electronic flow-meter (43), open valve point and measure the second station electronic expansion valve controls device (44), no load discharge is measured station air inlet solenoid valve (45), no load discharge is measured station electronic flow-meter (46), no load discharge is measured station electronic expansion valve controls device (47), height presses off valve station air inlet solenoid valve (48), height presses off valve station electronic expansion valve controls device (50), load flow is measured station air inlet solenoid valve (51), load flow is measured station electronic flow-meter (52), load flow is measured station electronic expansion valve controls device (53), low discharge is measured station air inlet solenoid valve (54), low discharge is measured station electronic flow-meter (55), low discharge is measured station electronic expansion valve controls device (56), big flow measurement station air inlet solenoid valve (57), big flow measurement station electronic flow-meter (58), big flow measurement station electronic expansion valve controls device (59), switch board (26) connects described controller, solenoid valve and flowmeter are also controlled the work of corresponding station frock.
3. the rotary type multi-station comprehensive test device of a kind of electric expansion valve according to claim 1, it is characterized in that: described rotary table station tool structure is identical, fixed base plate (61) is all arranged at each rotary table station frock bottom, vertically install and fix riser (62) near turning axle (31) one sides above the fixed base plate (61), fixed board (62) is connected swingle (65) by set bolt (63) with Fixed latches (64), near fixed base plate (61) center top board (78) is installed below the swingle (65), air outlet adapter (76) is installed in fixed base plate (61) center, inlet suction port (75) is installed on air outlet adapter (76) left side, inlet suction port (75) is connected draft tube (67) and escape pipe (66) with air outlet adapter (76) respectively by gas circuit adapter (77), fixed base plate (61) is installed tracheae fixed cover (74) away from turning axle (31) the one side left sides, fixed base plate (61) is installed first coupling bar (68) and second coupling bar (70) away from turning axle (31) one sides the right, first coupling bar (68) is gone up and is twined first spring (69) and be connected to passive contact copper sheet back up pad (72), second coupling bar (70) is gone up winding second spring (71) and is connected to passive contact copper sheet back up pad (72), and passive contact copper sheet back up pad (72) goes up installs passive contact latten(-tin) (73).
4. the rotary type multi-station comprehensive test device of a kind of electric expansion valve according to claim 1, it is characterized in that: described valve load/unload stations (4), close valve station (6), close valve flow measurement station (8), open valve point and measure first station (10), open valve point and measure second station (12), no load discharge is measured station (14), height presses off valve station (16), load flow is measured station (18), low discharge is measured station (20), big flow measurement station (22) is set station (24) with pulse all identical tool structure, frock base plate (79) is all arranged at each stationary work-table station frock bottom, frock base plate (79) is vertically installed air cylinder fixed plate (81) near turning axle (31) one sides, cylinder (80) is fixed on cylinder base plate (79) and air cylinder fixed plate (81) square position, cylinder (80) connects air passage block (82) near turning axle (31) one sides, air passage block (82) left side aims at draft tube (67) by turning axle (31) outside and escape pipe (66) position is provided with air inlet seal (83) respectively and goes out hermetic sealing (84), air inlet seal (83) is by the inner inlet suction port (87) that connects of air passage block (82), go out hermetic sealing (84) by the inner air outlet adapter (88) that connects of air passage block (82), air passage block (82) the right is installed by turning axle (31) outside and is initiatively contacted copper sheet back up pad (85), initiatively contact copper sheet back up pad (85) upward installation initiatively contact copper sheet (86).
5. the rotary type multi-station comprehensive test device of a kind of electric expansion valve according to claim 3, it is characterized in that, close valve flow measurement station (8) on the described stationary work-table (27), open valve point and measure first station (10), open valve point and measure second station (12), no load discharge and measure station (14), load flow and measure station (18), low discharge to measure the gas piping of station (20), big flow measurement station (22) identical; Opening valve point measures the gas piping structure of first station (10) and be: test gas is measured the first station air inlet solenoid valve (39) back and is fed and open valve point and measure the first station electronic flow-meter (40) by opening valve point, measure the draft tube (67) that enters rotary table station frock behind the inlet suction port (87) of first station (10) frock and the air inlet seal (83) by opening valve point again, draft tube (67) is connected to the air intake opening of electric expansion valve (89), test gas feeds the escape pipe (66) of rotary table station frock by the gas outlet of electric expansion valve (89), measure hermetic sealing (84) and the air outlet adapter (88) of first station (10) frock and discharge by opening valve point at last, coil (90) is installed in tested electric expansion valve (89) top, opens valve point and measures station electronic expansion valve controls device (41) control coil (a 90) switch electronic expansion valve (89).
6. the rotary type multi-station comprehensive test device of a kind of electric expansion valve according to claim 3, it is characterized in that, described stationary work-table (27) is gone up the gas piping structure that height presses off valve station (16): test gas presses off valve station air inlet solenoid valve (48) back by height and feeds height and press off the draft tube (67) that enters rotary table station frock behind inlet suction port (87) on valve station (16) frock and the air inlet seal (83), draft tube (67) is connected to the air intake opening of electric expansion valve (89), the gas outlet of test gas by electric expansion valve (89) feeds the escape pipe (66) of rotary table station frock, goes out hermetic sealing (84) and air outlet adapter (88) discharge by what height pressed off valve station (16) frock at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120095349XU CN202041373U (en) | 2011-03-31 | 2011-03-31 | Rotary type multi-station integrative testing device for electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120095349XU CN202041373U (en) | 2011-03-31 | 2011-03-31 | Rotary type multi-station integrative testing device for electronic expansion valve |
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| Publication Number | Publication Date |
|---|---|
| CN202041373U true CN202041373U (en) | 2011-11-16 |
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| CN201120095349XU Expired - Lifetime CN202041373U (en) | 2011-03-31 | 2011-03-31 | Rotary type multi-station integrative testing device for electronic expansion valve |
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| CN (1) | CN202041373U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230846A (en) * | 2011-03-31 | 2011-11-02 | 中国计量学院 | Electronic expansion valve rotary type multiple stations integration testing device |
| CN103196660A (en) * | 2012-01-10 | 2013-07-10 | 浙江大学 | Multistation computer test system facing multitandem valves |
| CN104075848A (en) * | 2013-03-26 | 2014-10-01 | 苏州工业园区聚博精密设备有限公司 | Full-automatic multi-station balancing machine |
| CN107748060A (en) * | 2017-10-20 | 2018-03-02 | 上海四旻机电科技有限公司 | Four position toggle switch test devices |
-
2011
- 2011-03-31 CN CN201120095349XU patent/CN202041373U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230846A (en) * | 2011-03-31 | 2011-11-02 | 中国计量学院 | Electronic expansion valve rotary type multiple stations integration testing device |
| CN102230846B (en) * | 2011-03-31 | 2012-12-19 | 中国计量学院 | Electronic expansion valve rotary type multiple stations integration testing device |
| CN103196660A (en) * | 2012-01-10 | 2013-07-10 | 浙江大学 | Multistation computer test system facing multitandem valves |
| CN104075848A (en) * | 2013-03-26 | 2014-10-01 | 苏州工业园区聚博精密设备有限公司 | Full-automatic multi-station balancing machine |
| CN107748060A (en) * | 2017-10-20 | 2018-03-02 | 上海四旻机电科技有限公司 | Four position toggle switch test devices |
| CN107748060B (en) * | 2017-10-20 | 2019-05-10 | 上海四旻机电科技有限公司 | Four position toggle switch test devices |
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