CN110632424A - Portable detection equipment for solenoid valve and solenoid valve coil - Google Patents
Portable detection equipment for solenoid valve and solenoid valve coil Download PDFInfo
- Publication number
- CN110632424A CN110632424A CN201910925504.7A CN201910925504A CN110632424A CN 110632424 A CN110632424 A CN 110632424A CN 201910925504 A CN201910925504 A CN 201910925504A CN 110632424 A CN110632424 A CN 110632424A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- fixed
- air
- shaped
- electromagnetic valve
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- G01M13/003—Machine valves
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a solenoid valve and portable detection equipment for a solenoid valve coil, and relates to the technical field of machining. Including the device case, universal meter, the clamping device and the fixed air pump in device case upper end one side that device case lower extreme set up that device case upper portion set up, device bottom of the case portion is fixed with shock dynamo, and both sides are fixed with fixed logical piece, and the shock dynamo upper end is connected with the vibration board, clamping device vibration board sliding connection, main trachea is connected to the air pump lower extreme and goes into the trachea, and just main trachea and go into and adopt the air pressure regulating valve to connect between the trachea, device case lower extreme bottom four corners is provided with the universal wheel that is the array and arranges. The invention overcomes the defects of the prior art, has reasonable arrangement and convenient use, effectively detects the resistance performance of the electromagnetic valve and the coil thereof, adopts gas to replace liquid to detect the tightness of the electromagnetic valve, simulates the use environment of the electromagnetic valve and improves the detection accuracy.
Description
Technical Field
The invention relates to the technical field of electromagnetic valve detection, in particular to an electromagnetic valve and portable detection equipment for an electromagnetic valve coil.
Background
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.
After production of a general electromagnetic valve is completed, preliminary detection is needed to be carried out for detecting whether the electromagnetic valve and an electromagnetic valve coil have faults or not, the damaged and faulted electromagnetic valve is prevented from flowing into the market, general electromagnetic valve detection only adopts a universal meter to detect the resistance value of the electromagnetic valve coil, but the sealing performance of the electromagnetic valve in the using process is also extremely important, the traditional sealing performance detection is to detect the electromagnetic valve in a liquid environment, and the electromagnetic valve in the liquid environment needs to be dried, packaged and stored, so that manpower and material resources are wasted.
"an electromagnetic valve check out test set" of patent No. CN201720391193.7 passes through the setting of mounting fixture box, crane, detection module, adopts atmospheric pressure to replace liquid to measure the leakproofness of solenoid valve, but the particular case of solenoid valve when using is not considered when it is measured, can the heat when general solenoid valve uses, but can make the heat fall off very fast among the liquid environment, and the operational environment of solenoid valve in the in-service use is not completely static, so need simulate service environment as far as possible through the test and just can fully detect out qualified solenoid valve product.
Disclosure of Invention
The invention aims to solve the problem of inaccurate detection of an electromagnetic valve in the prior art, and provides the electromagnetic valve and portable detection equipment for an electromagnetic valve coil.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable detection device for a solenoid valve and a solenoid valve coil comprises a device box, a universal meter arranged on the upper part of the device box, a clamping device arranged at the lower end of the device box, and an air pump fixed on one side of the upper end of the device box, wherein a vibration motor is fixed at the bottom of the device box, fixed through blocks are fixed on two sides of the device box, an air cooler is arranged outside the upper end of the device box, a vibration plate is connected to the upper end of the vibration motor, a chute is arranged on the surface of the vibration plate, the clamping device comprises two symmetrical U-shaped clamping blocks, a sliding support rod is fixed at the lower end of each U-shaped clamping block, the sliding support rod is in sliding connection with the vibration plate through the chute, side connecting blocks are fixed on two sides of each U-shaped clamping block, through holes are arranged on the side connecting blocks, the symmetrical U-shaped clamping, outside one side is provided with the outside air vent, inside air vent and outside air vent are linked together, and outside air vent fixed connection rubber trachea one end, the rubber trachea other end is connected in the fixed logical piece one side of both sides, the air pump lower extreme is connected main trachea and is gone into the trachea, and adopts the air pressure regulating valve to connect between main trachea and the income trachea, goes into the fixed logical piece upper end of trachea lower extreme connection one side, and the fixed logical piece upper end of opposite side connects the outlet duct, the outlet duct all is linked together through the rubber trachea of fixed logical piece with both sides with the income trachea, and all is provided with the barometer on outlet duct and the income trachea, the inside blowing pipe of air-cooler intercommunication device case, the blowing pipe is located clamping device directly over, device case lower extreme bottom four corners is provided with the universal wheel that is the.
Preferably, the lower end of the blowing pipe is fixedly connected with an arc-shaped blowing cover.
Preferably, the sliding support rod is of an inverted T-shaped structure, and anti-skid grains are arranged at the contact part of the bottom of the sliding support rod and the sliding groove.
Preferably, the two side walls of the device box are symmetrically provided with U-shaped fixing blocks, and the two ends of the vibrating plate are arranged inside U-shaped openings of the U-shaped fixing blocks.
Preferably, the U-shaped fixed block and the vibrating plate are connected by a damping elastic part.
Preferably, a rubber layer is arranged on the inner side wall of the U-shaped clamping block.
Compared with the prior art, the invention provides a solenoid valve and portable detection equipment for a solenoid valve coil, which have the following beneficial effects:
1. through the arrangement of the U-shaped clamping block, the side connecting block, the rubber layer, the internal air vent and the external air vent in the clamping device, the electromagnetic valve can be stably fixed, the electromagnetic valve is prevented from being scratched and rubbed, meanwhile, the electromagnetic valve can be effectively communicated by the air pump, and the detection accuracy is improved;
2. the electromagnetic valve can be effectively vibrated through the arrangement of the vibrating plate, the damping elastic piece and the U-shaped fixing block, the state of the electromagnetic valve in the using process is simulated, the detection accuracy is further improved, the heat dissipation efficiency of the electromagnetic valve after being electrified can be effectively improved through the arrangement of the air cooler and the blowing pipe, the use scene is synchronously simulated, and the accuracy is improved;
3. can effectively fix rubber trachea, outlet duct and income trachea through the setting of fixed logical piece, prevent that vibrations from causing the barometer to detect inaccurately to adopt U type fixed block to restrict the vibration board, prevent that vibration board vibration amplitude is too big, promote the accuracy that detects.
The device has the advantages that the device is reasonable in arrangement and convenient to use, gas is adopted to replace liquid to detect the sealing performance of the electromagnetic valve while the resistance performance of the electromagnetic valve and a coil of the electromagnetic valve are effectively detected, the use environment of the electromagnetic valve is simulated, and the detection accuracy is improved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the clamping mechanism of the present invention;
FIG. 3 is a schematic side sectional view of the clamping mechanism of the present invention;
fig. 4 is a schematic diagram of the use principle of the present invention.
In the figure: the device comprises a device box 1, a universal meter 2, a clamping device 3, an air cooler 4, a blowing pipe 5, an air pump 6, a main air pipe 7, an air pressure adjusting valve 8, an air inlet pipe 9, a rubber air pipe 10, a vibration plate 11, a fixing block 12U-shaped, a sliding chute 13, a universal wheel 14, a vibrating motor 15, a damping elastic part 16, a fixing through block 17, an air outlet pipe 18, an air pressure gauge 19, a blowing cover 20, a sliding support rod 21, a clamping block 22U-shaped, a side edge connecting block 23, a rubber layer 24, an internal air vent 25, an external air vent 26, a connecting screw 27 and a nut 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a portable detection device for an electromagnetic valve and an electromagnetic valve coil comprises a device box 1, a universal meter 2 arranged on the upper portion of the device box, a clamping device 3 arranged on the lower end of the device box 1, and an air pump 6 fixed on one side of the upper end of the device box 1, wherein a vibration motor 15 is fixed on the bottom of the device box 1, fixing through blocks 17 are fixed on two sides of the device box 1, an air cooler 4 is arranged outside the upper end of the device box 1, a vibration plate 11 is connected on the upper end of the vibration motor 15, a sliding chute 13 is arranged on the surface of the vibration plate 11, the clamping device 3 comprises two symmetrical U-shaped clamping blocks 22, a sliding support rod 21 is fixed on the lower end of each U-shaped clamping block 22, the sliding support rod 21 is connected with the vibration plate 11 through the sliding chute 13, side edge connecting blocks 23 are fixed on two sides of each U-shaped clamping block 22, through holes are, an internal vent 25 is arranged on one side inside the U-shaped clamping block 22, an external vent 26 is arranged on one side outside the U-shaped clamping block, the internal vent 25 is communicated with the external vent 26, the external vent 26 is fixedly connected with one end of a rubber air pipe 10, the other end of the rubber air pipe 10 is connected with one side of a fixed through block 17 on two sides, the lower end of an air pump 6 is connected with a main air pipe 7 and an air inlet pipe 9, the main air pipe 7 is connected with the air inlet pipe 9 through an air pressure regulating valve 8, the lower end of the air inlet pipe 9 is connected with the upper end of the fixed through block 17 on one side, the upper end of the fixed through block 17 on the other side is connected with an air outlet pipe 18, the air outlet pipe 18 and the air inlet pipe 9 are both communicated with the rubber air pipes 10 on two sides through the fixed through block 17, air outlet pipe 18 and the air inlet pipe 9 are, four corners of the bottom of the lower end of the device box 1 are provided with universal wheels 14 which are arranged in an array.
In order to improve the cooling efficiency of the electromagnetic valve, preferably, an arc-shaped blowing cover 20 is fixedly connected to the lower end of the blowing pipe 5.
In order to prevent the clamping device 3 from generating large deviation when the vibration plate 11 vibrates, it is preferable that the sliding support rod 21 is of an inverted T-shaped structure, and the contact part of the bottom of the sliding support rod 21 and the sliding chute 13 is provided with anti-skid grains.
In order to prevent the vibration amplitude of the vibration plate 11 from being too large and affecting the detection result, preferably, U-shaped fixing blocks 12 are symmetrically arranged on two side walls of the device box 1, and two ends of the vibration plate 11 are arranged inside U-shaped openings of the U-shaped fixing blocks 12.
In order to prevent the vibration plate 11 from being worn greatly during the vibration process, it is preferable that the U-shaped fixing block 12 is connected to the vibration plate 11 by a damping elastic member 16.
In order to prevent the electromagnetic valve from being scratched in the clamping process and affecting the quality of the electromagnetic valve, preferably, a rubber layer 24 is arranged on the inner side wall of the U-shaped clamping block 22.
The working principle is as follows: when in use, the clamping device 3 is opened and put into the electromagnetic valve, the through holes at the two ends of the electromagnetic valve are connected with the internal air vents 25 at the two ends of the U-shaped clamping block 22, after clamping, firstly, the resistance value is detected by the universal meter 2, the pen point of the universal meter 2 is connected with the contact pin of the electromagnetic valve, the resistance value displayed on the screen of the meter is observed, the resistance value is displayed in the rated value range, namely qualified, the air pump 6, the air cooler 4 and the solenoid valve are powered on, the air pressure is adjusted through the air pressure adjusting valve 8, the adjusted air flow enters the solenoid valve through the air inlet pipe 9 and then comes out of the air outlet pipe 18, the data on the barometers 19 on the air inlet pipe 9 and the air outlet pipe 18 are detected and compared, the difference is qualified after the difference is small, after the vibration motor 15 is powered on, and in the process that the vibration plate 11 drives the electromagnetic valve to vibrate, data on the barometers 19 on the air inlet pipe 9 and the air outlet pipe 18 are observed and compared, and the difference is smaller, so that the product is qualified.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A portable detection device for an electromagnetic valve and an electromagnetic valve coil comprises a device box (1), a universal meter (2) arranged on the upper portion of the device box (1), a clamping device (3) arranged at the lower end of the device box (1) and an air pump (6) fixed on one side of the upper end of the device box (1), and is characterized in that a vibration motor (15) is fixed at the bottom of the device box (1), fixed through blocks (17) are fixed on two sides of the device box (1), an air cooler (4) is arranged outside the upper end of the device box (1), an vibrating plate (11) is connected to the upper end of the vibration motor (15), a sliding groove (13) is formed in the surface of the vibrating plate (11), the clamping device (3) comprises two symmetrical U-shaped clamping blocks (22), a sliding support rod (21) is fixed at the lower end of each U-shaped clamping block (22), and the sliding support rod (21) is in sliding connection, the U-shaped clamping block (22) is fixed with side connecting blocks (23) on two sides, a through hole is arranged on each side connecting block (23), the symmetrical U-shaped clamping blocks (22) are connected with a nut (28) through a connecting screw (27) penetrating through the through hole, one side inside the U-shaped clamping block (22) is provided with an internal vent (25), one side outside the U-shaped clamping block is provided with an external vent (26), the internal vent (25) is communicated with the external vent (26), the external vent (26) is fixedly connected with one end of a rubber air pipe (10), the other end of the rubber air pipe (10) is connected with one side of the fixed through blocks (17) on two sides, the lower end of an air pump (6) is connected with a main air pipe (7) and an air inlet pipe (9), the main air pipe (7) and the air inlet pipe (9) are connected through an air pressure regulating valve (8), and the lower end of, the fixed logical block (17) upper end of opposite side is connected outlet duct (18), outlet duct (18) and income trachea (9) all are linked together through fixed logical block (17) and rubber trachea (10) of both sides, and all are provided with barometer (19) on outlet duct (18) and the income trachea (9), air-cooler (4) intercommunication device case (1) inside blowing pipe (5), blowing pipe (5) are located clamping device (3) directly over, device case (1) lower extreme bottom four corners is provided with universal wheel (14) that are the array and arrange.
2. The portable detection device for the solenoid valve and the solenoid valve coil according to claim 1, characterized in that: the lower end of the blowing pipe (5) is fixedly connected with an arc-shaped blowing cover (20).
3. The portable detection device for the solenoid valve and the solenoid valve coil according to claim 1, characterized in that: the sliding support rod (21) is of an inverted T-shaped structure, and anti-skidding lines are arranged at the contact part of the bottom of the sliding support rod (21) and the sliding groove (13).
4. The portable detection device for the solenoid valve and the solenoid valve coil according to claim 1, characterized in that: u-shaped fixing blocks (12) are symmetrically arranged on two side walls of the device box (1), and two ends of the vibrating plate (11) are arranged inside a U-shaped opening of the U-shaped fixing blocks (12).
5. The portable detection device for the solenoid valve and the solenoid valve coil according to claim 4, wherein: the U-shaped fixing block (12) is connected with the vibrating plate (11) through a damping elastic piece (16).
6. The portable detection device for the solenoid valve and the solenoid valve coil according to claim 1, characterized in that: and a rubber layer (24) is arranged on the inner side wall of the U-shaped clamping block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910925504.7A CN110632424B (en) | 2019-09-27 | 2019-09-27 | Portable detection equipment for solenoid valve and solenoid valve coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910925504.7A CN110632424B (en) | 2019-09-27 | 2019-09-27 | Portable detection equipment for solenoid valve and solenoid valve coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110632424A true CN110632424A (en) | 2019-12-31 |
| CN110632424B CN110632424B (en) | 2022-01-25 |
Family
ID=68974555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910925504.7A Active CN110632424B (en) | 2019-09-27 | 2019-09-27 | Portable detection equipment for solenoid valve and solenoid valve coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110632424B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594749A (en) * | 2022-02-24 | 2022-06-07 | 上海欣诣科技有限公司 | Integrated testing device of power battery management system |
| CN117452120A (en) * | 2023-12-25 | 2024-01-26 | 江苏弘门智能技术有限公司 | Durability testing device for electromagnetic valve and operation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050204732A1 (en) * | 2004-03-16 | 2005-09-22 | Denso Corporation | Pressure detecting apparatus having solenoid valve and pressure sensor |
| US20070028665A1 (en) * | 2005-08-02 | 2007-02-08 | Samsung Electronics Co., Ltd | Valve test apparatus, solenoid valve test method and venturi valve test method |
| CN102297750A (en) * | 2011-07-19 | 2011-12-28 | 无锡星月科技有限公司 | Online detection platform of electromagnetic valve |
| CN103743562A (en) * | 2014-01-26 | 2014-04-23 | 武汉理工大学 | Electromagnetic valve test platform |
| CN206248315U (en) * | 2016-11-14 | 2017-06-13 | 湖南电气职业技术学院 | A kind of automobile gearbox detection apparatus for electromagnetic valve |
| CN109116115A (en) * | 2018-11-09 | 2019-01-01 | 广西玉柴机器股份有限公司 | The detection method of engine electromagnetic valve |
| CN208672254U (en) * | 2018-08-14 | 2019-03-29 | 陕西尖丰盛达航天科技有限公司 | Solenoid valve air tightness detection equipment |
-
2019
- 2019-09-27 CN CN201910925504.7A patent/CN110632424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050204732A1 (en) * | 2004-03-16 | 2005-09-22 | Denso Corporation | Pressure detecting apparatus having solenoid valve and pressure sensor |
| US20070028665A1 (en) * | 2005-08-02 | 2007-02-08 | Samsung Electronics Co., Ltd | Valve test apparatus, solenoid valve test method and venturi valve test method |
| CN102297750A (en) * | 2011-07-19 | 2011-12-28 | 无锡星月科技有限公司 | Online detection platform of electromagnetic valve |
| CN103743562A (en) * | 2014-01-26 | 2014-04-23 | 武汉理工大学 | Electromagnetic valve test platform |
| CN206248315U (en) * | 2016-11-14 | 2017-06-13 | 湖南电气职业技术学院 | A kind of automobile gearbox detection apparatus for electromagnetic valve |
| CN208672254U (en) * | 2018-08-14 | 2019-03-29 | 陕西尖丰盛达航天科技有限公司 | Solenoid valve air tightness detection equipment |
| CN109116115A (en) * | 2018-11-09 | 2019-01-01 | 广西玉柴机器股份有限公司 | The detection method of engine electromagnetic valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594749A (en) * | 2022-02-24 | 2022-06-07 | 上海欣诣科技有限公司 | Integrated testing device of power battery management system |
| CN117452120A (en) * | 2023-12-25 | 2024-01-26 | 江苏弘门智能技术有限公司 | Durability testing device for electromagnetic valve and operation method thereof |
| CN117452120B (en) * | 2023-12-25 | 2024-04-02 | 江苏弘门智能技术有限公司 | Durability testing device for electromagnetic valve and operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110632424B (en) | 2022-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110632424B (en) | Portable detection equipment for solenoid valve and solenoid valve coil | |
| US7992454B2 (en) | Airflow bench with laminar flow element | |
| CN105241645B (en) | The detection device of the small flow air filter intake resistance of universal machine | |
| CN207894552U (en) | A kind of durability test apparatus of vehicle exhaust pressure sensor | |
| CN210166085U (en) | Multi-angle centripetal floating plugging mechanism | |
| CN203024946U (en) | Gas circuit system of air-leakage detector | |
| CN109406133B (en) | Method for detecting falling quantity of particles in valve working process | |
| CN207366057U (en) | It is a kind of can simulation medium actual use temperature gas flowmeter standard set-up | |
| CN206192646U (en) | Compared with prior art, | |
| CN205506366U (en) | Pneumatic brake control system | |
| CN106248106B (en) | The precision centrifuge calibrator (-ter) unit compound with accurate temperature control device | |
| CN109556865A (en) | A kind of wing body built-up pattern support for air intake test | |
| CN214407921U (en) | Energy controller airtightness testing system | |
| CN209841375U (en) | Air valve testing device | |
| CN211236043U (en) | Automatic test system for dynamic simulation of vehicle electromagnetic valve | |
| CN207908668U (en) | Calibrating installation for sulfur hexafluoride density relay tester | |
| CN111365220B (en) | Internal flow field parameter testing system of vacuum dry pump | |
| CN209069417U (en) | A kind of monitoring pipeline vibration device | |
| CN209446279U (en) | A kind of Cooling and Heat Source resistance to flow output regulating valve tilter | |
| CN110297143A (en) | A kind of vehicle electromagnetic valve dynamic analog Auto-Test System | |
| CN107590328B (en) | A kind of explosion diaphragm calculation for condenser selection of simulation air intake duct hammer shock wave generating process | |
| CN114993693A (en) | Automatic cooling system for finished automobile road simulation test | |
| CN112857710B (en) | Airtight detection frock of battery box | |
| CN220398687U (en) | Movable standard meter method calibrating device | |
| CN108489726A (en) | Durability detection device for gas pressure regulator, governor diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |