CN105841899A - F valve stationary superheat degree automatic testing device and testing method - Google Patents
F valve stationary superheat degree automatic testing device and testing method Download PDFInfo
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- CN105841899A CN105841899A CN201610185689.9A CN201610185689A CN105841899A CN 105841899 A CN105841899 A CN 105841899A CN 201610185689 A CN201610185689 A CN 201610185689A CN 105841899 A CN105841899 A CN 105841899A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses an F valve stationary superheat degree automatic testing device and a testing method. A front end of a vertical-type operation bench of the device is a working bench, and the middle position of the bench surface of the working bench is provided with four testing tools. The right sides of the testing tools are provided with a constant temperature groove controller, and the left side of the working bench is provided with a power switch. A display screen is disposed right above the working bench, and the lower side of the display screen is provided with four groups of qualified product indicating lamps and unqualified product indicating lamps. The left sides of the qualified product indicating lamps are provided with a bar code reader, and the lower sides of the qualified product indicating lamps are provided with four groups of gas inlet pipe interfaces and gas outlet pipe interfaces. The left side of the display screen is provided with a working pressure gauge, and the right side of the display screen is provided with a cylinder pressure gauge, and four groups of starting keys and sudden stop keys are disposed in a middle position of a key groove in the lower side of the working bench. The lower part of the left side of the vertical-type operation bench is provided with two total gas source interfaces, and the lower part of the right side of the vertical-type operation bench is provided with two total gas source outlets. The stationary superheat degree automatic testing and adjusting of the F valve can be realized, and the control over the testing process can be realized by taking the programmable logic controller as the core, and therefore the testing precision is high, and the clamping is convenient and safe.
Description
Technical field
The invention mainly relates to the static degree of superheat set up, and to the degree of superheat and the detection of two important technical index of internal hemorrhage due to trauma value, especially relate to a kind of F valve static degree of superheat automatic testing equipment and method of testing.
Background technology
F type heating power expansion valve, as a kind of important restricting element, is widely used in refrigeration system, is one of the vitals of air conditioning for automobiles.Major function is the change that regulation realizes the pressure drop from condensing pressure to evaporating pressure, controls the flow of cold-producing medium simultaneously.The quality of valve performance directly determines the runnability of whole system, to ensureing that air conditioner refrigerating energy-saving effect is most important.The static degree of superheat, as the important performance indications of F type heating power expansion valve, can carry out degree of superheat regulation detection exactly and be to ensure that the prerequisite of heating power expansion valve product quality.The most traditional craft is difficult to meet testing requirement already, and modernization, automatization, environmental protection, energy-saving have become the development trend of refrigeration industry enlarged reproduction.Therefore, develop F type thermal expansion valve performance automatic measuring and controlling system raising product quality, the saving energy are significant, and can bring the biggest Social benefit and economic benefit for enterprise.
Summary of the invention
Various shortcomings during in order to overcome manual test to regulate, strengthen the Cleaning Principle analysis and research of F valve, it is an object of the invention to provide F valve static degree of superheat test device and method of testing.
The technical solution used in the present invention is:
One, F valve static degree of superheat test device:
Vertical operation platform front end is provided with 4 test fixtures on table top centre position, chamber controller is had on the right side of test fixture, on and off switch is had on the left of test fixture, display screen is had directly over test fixture, 4 combination lattice display lamp and defective display lamps are had on the downside of display screen, there is bar code reading device on the qualified display lamp left side, qualified display lamp has 4 groups of air inlet pipe interfaces and escape pipe interface below, operating pressure table is had on the left of display screen, cylinder pressure gage is had on the right side of display screen, it is equipped with 4 groups of start keys and rapid stop key by interposition in keyway on the downside of test fixture, on the left of vertical operation platform, there are 2 total gas source interfaces lower section, vertical operation platform lower right-hand side has 2 total source outlet.
Described F valve test frock is fixed on operating board front end by tool base plate and hits exactly, tool base plate top panel is provided with lower air cylinder, lower air cylinder is pressed into gas plug and props up F valve upper end under passing through, clamping cylinder is installed after tool base plate, clamping cylinder props up F valve front end by clamping air inlet plug, clamping cylinder side is provided with motor, motor is fixed on cylinder slide block by motor fixing plate, cylinder slide block passes through guide rails assembling in front push cylinder, motor connects regulation head by shaft coupling, clamp head is installed before tool base plate, F valve is added in clamp head, the temperature-sensitive bag of F valve immerses in temperature chamber.
Described total gas source interface connects detection two different paths of gas circuit and cylinder gas circuit.The detection gas circuit compressed air by 1.6MPa, filter by filter through the first ball valve, the second ball valve and relief valve, obtaining the gas of 1.03MPa through the decompression of start air relief valve, record by operating pressure table show value through pressure transducer, standard pressure enters air accumulator, air accumulator gas enters F valve to be measured by intake valve 1, by regulation F valve valve port opening, make start buckling, observe act pressure sensor and reach desired value, exit gas enters gas tank, goes out orifice plate through orifice valve 1.Cylinder gas circuit is filtered through the 3rd ball valve, the 4th ball valve, and cylinder air relief valve reduces pressure, and reaches goal pressure, by cylinder pressure sensors measured value, through two-position five-way valve to lower air cylinder, clamping cylinder and front push cylinder.
Two, F valve degree of superheat method of testing:
First carry out the setting of the static degree of superheat of F valve, F valve is installed on fixture, now the temperature-sensitive package location of F valve can carry out pre-cooling in 0 DEG C of temperature chamber in immersion equipment, it is immersed in the stipulated time, with start air relief valve, pressure is adjusted to 1.03MPa ± 0.05MPa, after closing, opening orifice valve 2-3 time, if in desired value standard deviation, the most directly carry out internal hemorrhage due to trauma test.If miss the mark value, then degree of superheat pressure signal is fed back to PLC by pressure transducer in real time, by judging that Region control motor speed two-stage reduction of speed residing for current degree of superheat pressure regulates, quickly by controlling electric machine rotation regulation F valve valve port opening in range of accommodation, pressure show value is made to reach first object value, again scope between first object value and final start value is divided certain area, calculate regional motor pulses number, progressively reach desired value by motor fine tuning at a slow speed.After completing static degree of superheat setting static degree of superheat setting, close, open orifice valve 2-3 time, force value shown in touch screen is the static degree of superheat of 0 DEG C, force value meets test request and then verifies qualified, and test terminates, and is unsatisfactory for requiring the most defective, if the testing time is overtime, then discriminating test is defective, terminates test, bright defective display lamp.After the static degree of superheat has been tested, closing orifice valve, during 1min, outlet pressure rising value is valve port internal hemorrhage due to trauma value.
The present invention has the advantages that compared with background technology
1, the present invention utilizes the static degree of superheat of the control realization F valve to motor to set up, and automaticity is higher compared with current test system；
2, the present invention uses the control algolithm of five-step approach, is greatly optimized degree of regulation；
3, native system the degree of superheat static to F valve and two performance indications of internal hemorrhage due to trauma value can carry out integration test.
Accompanying drawing explanation
Fig. 1 is the front elevational schematic of the present invention.
Fig. 2 is the schematic side view of Fig. 1.
Fig. 3 is the test fixture figure of the present invention.
Fig. 4 is the detection pneumatic diagram of the present invention.
Fig. 5 is the cylinder pneumatic diagram of the present invention.
Fig. 6 is the test technology flow chart of the present invention.
nullIn figure: 1. vertical operation platform，2. display screen，3. operating pressure table，4. cylinder pressure gage，The most qualified display lamp，6. bar code reading device，7. chamber controller，8. on and off switch，9. descend air cylinder，10. tool base plate，11. test fixtures，12. start keys，13. press keyway，14. rapid stop keys，15. start air relief valve，16. cylinder air relief valve，17. air accumulators，18. always originate from intake interface，19. total sources of the gas are given vent to anger interface，20. defective display lamp 21. air inlet pipe interfaces，22. escape pipe interfaces，23. clamping cylinders，24. motors，25. F valves，It is pressed into gas plug 26. times，27. clamping air inlet plugs，28. cylinder slide blocks，Push cylinder before 29.，30. motor fixing plates，31. clamp head，32. shaft couplings，33. regulation heads，34. first ball valves，35. second ball valves，36. relief valve，37. filters，38. air inlet pressure pressure transducers，39. air accumulators，40. intake valves，41. start pressure pressure sensors，42. gas tanks，43. orifice valves，44. orifice plates，45. air bleeding valves，46. acoustic filters，47. the 3rd ball valves，48. the 4th ball valves,49. filters，50. cylinder pressure sensors，51. two-position five-way valves.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
The most shown vertical operation platform 1 front end is provided with 4 test fixtures on table top centre position
11, chamber controller 7 is had on the right side of test fixture 11, on and off switch 8 is had on the left of test fixture 11, display screen 2 is had directly over test fixture 11, 4 combination lattice display lamp 5 and defective display lamps 20 are had on the downside of display screen 2, there is bar code reading device 6 on qualified display lamp 5 left side, qualified display lamp 5 has 4 groups of air inlet pipe interfaces 21 and escape pipe interface 22 below, operating pressure table 3 is had on the left of display screen 2, cylinder pressure gage 4 is had on the right side of display screen 2, it is equipped with 4 groups of start keys 12 and rapid stop key 14 by interposition in keyway 13 on the downside of test fixture 11, on the left of vertical operation platform 1, there are 2 total origin intake interfaces 18 lower section, vertical operation platform 1 lower right-hand side has 2 total sources of the gas to give vent to anger interface 19.
As shown in Fig. 3, described test fixture is fixed on vertical operation platform 1 front end by tool base plate 10 and hits exactly, tool base plate 10 top panel is provided with lower air cylinder 9, lower air cylinder 9 is pressed into gas plug 26 and props up F valve 25 upper end under passing through, tool base plate 10 is provided with clamping cylinder 23 below, clamping cylinder 23 props up F valve 25 front end by clamping air inlet plug 27, clamping cylinder 23 side is provided with motor 24, motor 24 is fixed on cylinder slide block 28 by motor fixing plate 30, cylinder slide block 28 passes through guide rails assembling in front push cylinder 29, motor 24 connects regulation 33 by shaft coupling 32, tool base plate 10 above installs clamp head 31, F valve 25 is clipped in clamp head 31, the temperature-sensitive bag of F valve 25 immerses in temperature chamber.
As shown in Fig. 4, Fig. 5, described total gas source interface 18 connects detection two different paths of gas circuit and cylinder gas circuit.The detection gas circuit compressed air by 1.6MPa, filter by filter 37 through first ball valve the 34, second ball valve 35 and relief valve 36, the gas of 1.03MPa is obtained through start air relief valve 15 decompression, record by operating pressure table 3 show value through air inlet pressure sensor 38, standard pressure enters air accumulator 39, the gas of air accumulator 39 enters F valve 25 to be measured by intake valve 40, by regulation F valve 25 valve port opening, make start buckling, observe act pressure sensor 41 and reach desired value, exit gas enters gas tank 42, discharges orifice plate 44 through orifice valve 43.Cylinder gas circuit filters through filter 49 through the 3rd ball valve the 47, the 4th ball valve 48, and cylinder air relief valve 16 reduces pressure, and reaches goal pressure, by cylinder pressure sensors 50 measured value, through two-position five-way valve 51 to lower air cylinder 9, clamping cylinder 23 and front push cylinder 29.
As shown in Fig. 6, described F valve static degree of superheat method of testing, first carry out the setting of the static degree of superheat of F valve 25, being installed in clamp head 31 by F valve 25, now the temperature-sensitive package location of F valve 25 can carry out pre-cooling in 0 DEG C of temperature chamber in immersion equipment, is immersed in the stipulated time, with start air relief valve 15, pressure is adjusted to 1.03MPa ± 0.05MPa, after closing, opening orifice valve 432-3 time, if in desired value standard deviation, the most directly carry out internal hemorrhage due to trauma test.If miss the mark value, then degree of superheat pressure signal is fed back to PLC by pressure transducer in real time, by judging that Region control motor 24 speed two-stage reduction of speed residing for current degree of superheat pressure regulates, quickly by controlling motor 24 rotation regulation F valve 25 valve port opening in range of accommodation, pressure show value is made to reach first object value, again scope between first object value and final start value is divided certain area, calculate the umber of pulse of regional motor 24, progressively reach desired value by motor 24 fine tuning at a slow speed.After completing static degree of superheat setting static degree of superheat setting, close, open orifice valve 432-3 time, force value shown in touch screen is the static degree of superheat of 0 DEG C, force value meets test request and then verifies qualified, and test terminates, and is unsatisfactory for requiring the most defective, if the testing time is overtime, then discriminating test is defective, terminates test, bright defective display lamp 20.After the static degree of superheat has been tested, when closing orifice valve 43,1min, outlet pressure rising value is valve port internal hemorrhage due to trauma value.
Claims (2)
- null1.F valve static degree of superheat automatic testing equipment，Including vertical operation platform (1)，It is characterized in that: described vertical operation platform (1) front end is provided with 4 test fixtures (11) on table top centre position，There is chamber controller (7) on test fixture (11) right side、There is on and off switch (8) in test fixture (11) left side，Display screen (2) is had directly over test fixture (11)，There are 4 combinations lattice display lamp (5) and defective display lamp (20) in display screen (2) downside，There is bar code reading device (6) on qualified display lamp (5) left side，Qualified display lamp (5) has 4 groups of air inlet pipe interfaces (21) and escape pipe interface (22) below，There is operating pressure table (3) in display screen (2) left side，There is cylinder pressure gage (4) on display screen (2) right side，Test fixture (11) downside is equipped with 4 groups of start keys (12) and rapid stop key (14) by keyway (13) interior interposition，Vertical operation platform (1) has 2 total gas source interfaces (18) below left side，Vertical operation platform (1) lower right-hand side has 2 total source outlet (19)；nullDescribed F valve test frock (11) is fixed on operating board (1) front end by tool base plate (10) and hits exactly，Tool base plate (10) top panel is provided with lower air cylinder (9)，Lower air cylinder (9) is pressed into gas plug (26) under passing through and props up F valve (25) upper end，Tool base plate (10) is provided with clamping cylinder (23) below，Clamping cylinder (23) props up F valve (25) front end by clamping air inlet plug (27)，Clamping cylinder (23) side is provided with motor (24)，Motor (24) is fixed on cylinder slide block (28) by motor fixing plate (30)，Cylinder slide block (28) passes through guide rails assembling in front push cylinder (29)，Motor (24) connects regulation head (33) by shaft coupling (32)，Tool base plate (10) above installs clamp head (31)，F valve (25) is added in clamp head (31)，The temperature-sensitive bag of F valve (25) immerses in temperature chamber；Described total gas source interface (18) connects detection two different paths of gas circuit and cylinder gas circuit: detect the gas circuit compressed air by 1.6MPa, through the first ball valve (34), second ball valve (35) and relief valve (36) are filtered by filter (37), the gas of 1.03MPa is obtained through start air relief valve (15) decompression, record by operating pressure table (3) show value through pressure transducer (38), standard pressure enters air accumulator (39), air accumulator (39) gas passes through intake valve 1(40) enter F valve (25) to be measured, by regulation F valve (25) valve port opening, make start buckling, observe act pressure sensor (41) and reach desired value, exit gas enters gas tank (42), orifice plate (44) is gone out through orifice valve 1 (43).Cylinder gas circuit filters through filter (49) through the 3rd ball valve (47), the 4th ball valve (48), cylinder air relief valve (16) reduces pressure, reach goal pressure, by cylinder pressure sensors (50) measured value, through two-position five-way valve (51) to lower air cylinder (9), clamping cylinder (23) and front push cylinder (29).
- 2. the F valve static degree of superheat method of testing using F valve as claimed in claim 1 static degree of superheat automatic testing equipment, it is characterized in that: first carry out the test of F valve (25) the static degree of superheat, F valve (25) is installed in clamp head (31), now the temperature-sensitive package location of F valve (25) can carry out pre-cooling in 0 DEG C of temperature chamber in immersion equipment, it is immersed in the stipulated time, with start air relief valve (15), pressure is adjusted to 1.03MPa ± 0.05MPa, close, after opening orifice valve (43) 2-3 time, if in desired value standard deviation, the most directly carry out internal hemorrhage due to trauma test.If miss the mark value, then degree of superheat pressure signal is fed back to PLC by pressure transducer in real time, by judging that Region control motor (24) speed two-stage reduction of speed residing for current degree of superheat pressure regulates, quickly by controlling motor (24) rotation regulation F valve (25) valve port opening in range of accommodation, pressure show value is made to reach first object value, again scope between first object value and final start value is divided certain area, calculate regional motor (24) umber of pulse, progressively reach desired value by motor (24) fine tuning at a slow speed.After completing static degree of superheat setting static degree of superheat setting, close, open orifice valve (43) 2-3 time, force value shown in touch screen is the static degree of superheat of 0 DEG C, force value meets test request and then verifies qualified, and test terminates, and is unsatisfactory for requiring the most defective, if the testing time is overtime, then discriminating test is defective, terminates test, bright defective display lamp (20)；After the static degree of superheat has been tested, closing orifice valve (43), during 1min, outlet pressure rising value is valve port internal hemorrhage due to trauma value.
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| CN201610185689.9A CN105841899B (en) | 2016-03-29 | 2016-03-29 | The static degree of superheat automatic testing equipment of F valves and test method |
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| CN201610185689.9A CN105841899B (en) | 2016-03-29 | 2016-03-29 | The static degree of superheat automatic testing equipment of F valves and test method |
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| CN105841899B CN105841899B (en) | 2018-04-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568551A (en) * | 2016-11-22 | 2017-04-19 | 东莞理工学院 | Multi-pipeline hydraulic valve integrated testing machine |
| CN108132074A (en) * | 2017-11-10 | 2018-06-08 | 长沙格力暖通制冷设备有限公司 | A kind of entropy detection examination time set, method, storage medium and entropy detection test stand station |
| CN108760257A (en) * | 2018-04-04 | 2018-11-06 | 杭州高品自动化设备有限公司 | A kind of air testing method of OCV valves |
| CN109114072A (en) * | 2018-11-01 | 2019-01-01 | 沈阳罗托克调控阀门制造有限公司 | A kind of valve remote analog host computer |
| CN112595600A (en) * | 2020-12-14 | 2021-04-02 | 沈阳航天新光集团有限公司 | Gas-driven short-distance and remote control test system |
| CN114509700A (en) * | 2022-01-14 | 2022-05-17 | 苏州浪潮智能科技有限公司 | Device and method for testing CRPS power supply of server |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO78186A2 (en) * | 1979-04-14 | 1982-02-01 | Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini Si Instalatii Pentru Industria Alimentara Si Frigorifica,Ro | STAND FOR TESTING THERMOSTATIC EXPANSION VALVES |
| RO83553B1 (en) * | 1979-02-16 | 1984-04-30 | Institutul De Cercetari Si Proiectari De Masini Si Instalatii Pentru Industria Alimentara Si Friforifica | Method and stand for testing the tightness of differential temperature expansion valves |
| JPH11304628A (en) * | 1998-04-21 | 1999-11-05 | Pacific Ind Co Ltd | Inspection machine for airtightness of thermosensitive control part in thermostatic expansion valve |
| CN101464225A (en) * | 2009-01-12 | 2009-06-24 | 中国计量学院 | Dynamic pressure test device with thermal power expansion valve |
| CN101915645A (en) * | 2010-07-02 | 2010-12-15 | 浙江博威汽车空调有限公司 | Air-tightness detection device for automotive expansion valve and using method thereof |
| CN103411766A (en) * | 2013-08-13 | 2013-11-27 | 中国计量学院 | Thermostatic expansion valve flow measurement device and measurement method |
| CN203869854U (en) * | 2014-05-15 | 2014-10-08 | 浙江省质量检测科学研究院 | Thermal expansion valve integrated testing apparatus |
| CN204027100U (en) * | 2014-07-24 | 2014-12-17 | 新昌县讯为自动化设备有限公司 | The air conditioner heating power expansion valve degree of superheat sets up equipment automatically |
| CN104374591A (en) * | 2014-11-13 | 2015-02-25 | 中国电器科学研究院有限公司 | Capacity measuring device of electronic expansion valve |
| CN205102470U (en) * | 2015-10-21 | 2016-03-23 | 中国计量学院 | A anchor clamps for static super -heated rate automatic regulating system of thermostatic expansion valve |
-
2016
- 2016-03-29 CN CN201610185689.9A patent/CN105841899B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO83553B1 (en) * | 1979-02-16 | 1984-04-30 | Institutul De Cercetari Si Proiectari De Masini Si Instalatii Pentru Industria Alimentara Si Friforifica | Method and stand for testing the tightness of differential temperature expansion valves |
| RO78186A2 (en) * | 1979-04-14 | 1982-02-01 | Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini Si Instalatii Pentru Industria Alimentara Si Frigorifica,Ro | STAND FOR TESTING THERMOSTATIC EXPANSION VALVES |
| JPH11304628A (en) * | 1998-04-21 | 1999-11-05 | Pacific Ind Co Ltd | Inspection machine for airtightness of thermosensitive control part in thermostatic expansion valve |
| CN101464225A (en) * | 2009-01-12 | 2009-06-24 | 中国计量学院 | Dynamic pressure test device with thermal power expansion valve |
| CN101915645A (en) * | 2010-07-02 | 2010-12-15 | 浙江博威汽车空调有限公司 | Air-tightness detection device for automotive expansion valve and using method thereof |
| CN103411766A (en) * | 2013-08-13 | 2013-11-27 | 中国计量学院 | Thermostatic expansion valve flow measurement device and measurement method |
| CN203869854U (en) * | 2014-05-15 | 2014-10-08 | 浙江省质量检测科学研究院 | Thermal expansion valve integrated testing apparatus |
| CN204027100U (en) * | 2014-07-24 | 2014-12-17 | 新昌县讯为自动化设备有限公司 | The air conditioner heating power expansion valve degree of superheat sets up equipment automatically |
| CN104374591A (en) * | 2014-11-13 | 2015-02-25 | 中国电器科学研究院有限公司 | Capacity measuring device of electronic expansion valve |
| CN205102470U (en) * | 2015-10-21 | 2016-03-23 | 中国计量学院 | A anchor clamps for static super -heated rate automatic regulating system of thermostatic expansion valve |
Non-Patent Citations (2)
| Title |
|---|
| 徐朋朋 等: "热力膨胀阀过热度自动检测系统", 《中国计量学院学报》 * |
| 谢斌 等: "基于二分寻值法的热力膨胀阀自动调定系统的研制", 《制造业自动化》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568551A (en) * | 2016-11-22 | 2017-04-19 | 东莞理工学院 | Multi-pipeline hydraulic valve integrated testing machine |
| CN106568551B (en) * | 2016-11-22 | 2019-12-17 | 浙江天旭机电设备有限公司 | Integrated test machine of multi-pipeline hydraulic valve |
| CN108132074A (en) * | 2017-11-10 | 2018-06-08 | 长沙格力暖通制冷设备有限公司 | A kind of entropy detection examination time set, method, storage medium and entropy detection test stand station |
| CN108760257A (en) * | 2018-04-04 | 2018-11-06 | 杭州高品自动化设备有限公司 | A kind of air testing method of OCV valves |
| CN109114072A (en) * | 2018-11-01 | 2019-01-01 | 沈阳罗托克调控阀门制造有限公司 | A kind of valve remote analog host computer |
| CN112595600A (en) * | 2020-12-14 | 2021-04-02 | 沈阳航天新光集团有限公司 | Gas-driven short-distance and remote control test system |
| CN114509700A (en) * | 2022-01-14 | 2022-05-17 | 苏州浪潮智能科技有限公司 | Device and method for testing CRPS power supply of server |
| CN114509700B (en) * | 2022-01-14 | 2024-01-12 | 苏州浪潮智能科技有限公司 | Server CRPS power supply testing device and method |
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| CN105841899B (en) | 2018-04-20 |
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Effective date of registration: 20200513 Address after: 310000 1st floor, building 11, No.19, No.8 street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: HANGZHOU ZHONGJIU AUTOMATIC CONTROL SYSTEM Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park source Street No. 258 Patentee before: China Jiliang University |