CN208672254U - Solenoid valve air tightness detection equipment - Google Patents
Solenoid valve air tightness detection equipment Download PDFInfo
- Publication number
- CN208672254U CN208672254U CN201821304574.8U CN201821304574U CN208672254U CN 208672254 U CN208672254 U CN 208672254U CN 201821304574 U CN201821304574 U CN 201821304574U CN 208672254 U CN208672254 U CN 208672254U
- Authority
- CN
- China
- Prior art keywords
- pipe
- outlet mouth
- solenoid valve
- valve
- testboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 210000000214 Mouth Anatomy 0.000 claims description 83
- 238000003825 pressing Methods 0.000 claims description 10
- 230000001788 irregular Effects 0.000 claims description 8
- 229910004682 ON-OFF Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 1
- 230000000875 corresponding Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000010923 batch production Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Abstract
Provided by the utility model is a kind of solenoid valve air tightness detection equipment, including testboard, and the testboard includes plate, the riser that connect with one end of plate;In testboard, two air gauge, an air inlet pressure reduction control valve, two gas path control valves, testboard power -line terminal, electromagnetic valve circuit connecting column, left-right switch switching control button are set.When solenoid valve installation is located on testboard pinboard, connect circuit, gas circuit, press corresponding left-right switch control button, open corresponding gas path control valve all the way, close another way gas path control valve, it is connected after inner cavity inflation reaches rated pressure value by opening air inlet pressure reduction control valve to electromagnetic valve gas circuit and is closed, detects the air-tightness of solenoid valve or so lumen orifice respectively.The utility model has the following beneficial effects: clamped one time, simple operations, the switching of solenoid valve electromagnetism is controllably by testboard.
Description
Technical field
The utility model relates to air tightness detection equipments, and in particular to solenoid valve air tightness detection equipment.
Background technique
Supersonic jet bistable valve is a kind of valve for certain engine control jet stream, and structure is sprayed by supersonic speed
Pipe, flow area, solenoid valve and four part of exhaust passage are constituted.Solenoid valve it can be made to control according to instruction air-flow (control signal) into
Enter different control mouths to control primary air from one of two different exhaust passages and be discharged, changes the stress side of carrier with this
To.With the continuous development of technology, higher and higher to the stress required precision of carrier, thus it requires the gas of control air-flow solenoid valve
Close property requires very high.
Currently, each engine carrier design differentiation is very big, it still can not be at unified standard, to the electricity of control air-flow
Magnet valve is all non-standard de-sign, and solenoid valve air-leakage test detection method due to the particularity of product is different.It is most in development phase
It is detected using original single hole plug ventilation.The method inefficiency, safety is low, and multi-user collaborative operation is needed to complete,
It is often affected by human factors and to detect air-tightness error rate very big, is not suitable with batch production detection.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of bistable valve air tightness detection equipment, including test
Platform, the testboard includes plate, the riser that connect with one end of plate;
Pinboard is arranged in the upper surface of the plate, and pressing plate is respectively set in the pinboard upper surface left and right ends,
Front end face left and right settings outlet mouth of pipe II, outlet mouth of pipe III, the center are arranged seal gasket, are arranged on the seal gasket
Outlet mouth of pipe V, outlet mouth of pipe VI;Air inlet mouth of pipe is arranged in the left-hand end of the plate, and air inlet Decompression Controlling is arranged in right-hand end
Valve;Left gas path control valve, outlet mouth of pipe I, right gas path control valve, outlet mouth of pipe IV, testboard are respectively set on the plate
Power -line terminal;The on-off gas of the left gas path control valve control outlet mouth of pipe I, outlet mouth of pipe II, outlet mouth of pipe V;It is described
Outlet mouth of pipe I and outlet mouth of pipe II pass through pipeline connection;The outlet mouth of pipe II and outlet mouth of pipe V passes through in pinboard
Hole connection;The on-off gas of the right gas path control valve control outlet mouth of pipe IV, outlet mouth of pipe III, outlet mouth of pipe VI;Described
Outlet mouth of pipe IV and outlet mouth of pipe III pass through pipeline connection;The outlet mouth of pipe III, outlet mouth of pipe VI pass through pinboard inner hole
Connection;
Left-handed opening control button, test pressure gauge, electromagnetic valve circuit binding post, air inlet pressure are respectively set on the riser
Power table, right switch control knob;The testboard power -line terminal and left-handed opening control button, right switch control knob are electric
Property connection;Left-handed opening control button, right switch control knob and the electromagnetic valve circuit binding post is electrically connected;Described
Boost gauge is connected with air inlet pipe implication;The test pressure gauge is controlled by air inlet pressure reduction control valve and left gas circuit
Gas connects respectively for valve, right gas path control valve door.
Preferably, solenoid valve is supersonic jet bistable valve.
Preferably, pressure gauge is tested, boost gauge passes through support base and connects with riser.
Preferably, pressing plate includes briquetting and screw, and the briquetting is connected by screw on pinboard.
Preferably, seal gasket can be cuboid plate.
Preferably, plate connects l-shaped with riser.
Preferably, pinboard is cuboid, and the pinboard upper surface left and right ends open up the first hole, second respectively
Hole, front end face or so open up the 5th hole, the 6th hole respectively, and the center opens up irregular shape slot, the irregular shape slot
Slot bottom opens up third hole, the 4th hole respectively, and it is dovetail groove that the front of the irregular shape slot, which is rectangular slot rear portion,.
Utility model works mode is as follows: testboard be arranged two air gauge, an air inlet pressure reduction control valve, two
Gas path control valve, testboard power -line terminal, electromagnetic valve circuit connecting column, left and right switching control button.When solenoid valve product is pacified
Dress is located on testboard pinboard, connects circuit, gas circuit, presses corresponding left-right switch control button, is opened corresponding
Gas path control valve all the way closes another way gas path control valve, is connected by opening air inlet pressure reduction control valve to electromagnetic valve gas circuit
Inner cavity inflation is closed after reaching rated pressure value, detects the air-tightness of solenoid valve or so lumen orifice respectively.
The utility model have it is following the utility model has the advantages that
(1) by testboard, the electromagnetism switching of clamped one time, simple operations, solenoid valve is controllable;
(2) it is low to solve batch production solenoid valve detection efficiency for safety, the accuracy for improving air-leakage test
Problem;
(3) this work one can operate completion, greatly improve work efficiency;
(4) integrated design technology is utilized, the pipeline support of dispersion and circuit connection is effective by testboard
It integrates, structure is simple, easy to operate;
(5) pinboard is designed according to the design feature of solenoid valve, and clamped one time solves the sealing problem of solenoid valve;
(6) air circuit connection mode can detect the air-tightness of magnet valve or so lumen orifice respectively;
(7) solenoid valve air tightness test security risk height, low efficiency and the error in supersonic jet bistable valve are solved
The very big problem of rate, and improve the stress precision of engine carrier.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model;
Fig. 2 is the overlooking structure diagram of the utility model;
Fig. 3 is the structural schematic diagram of the utility model seal gasket;
Fig. 4 is the structural schematic diagram of the utility model pinboard;
Fig. 5 is the utility model circuit control connection figure;
Fig. 6 is the utility model gas circuit control connection figure;
In figure: 1. left-handed opening control buttons, 2. left gas path control valves, 3. test pressure gauges, 4. electromagnetic valve circuit binding posts,
5. support base, 6. boost gauges, 7. right switch control knobs, 8. right gas path control valves, 9. air inlet mouth of pipe, 10. outlet mouth of pipe
I, 11. pressing plates, 111. briquettings;112. screw;12. outlet mouth of pipe II, 13. outlet mouth of pipe III, 14. outlet mouth of pipe IV, 15. tests
Platform power -line terminal, 16. air inlet pressure reduction control valves, 17. seal gaskets, 18. pinboards, 181. irregular shape slots;182. first
Hole;183. second holes;184. third holes;185. the 4th holes;186. the 5th holes;187. the 6th holes;19. testboard, 191. is flat
Plate;192. riser;20. outlet mouth of pipe V, 21. outlet mouth of pipe VI.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.The drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this patent
Limitation, in order to which specific embodiment of the present utility model is better described, the certain components of attached drawing have omission, zoom in or out,
The size of actual product is not represented, it will be understood by those skilled in the art that certain known features and its explanation may save in attached drawing
Slightly it will be understood by.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to electrical connection, air circuit connection;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Embodiment one
As shown in figures 1 to 6, a kind of bistable valve air tightness detection equipment, including testboard 19, the testboard 19 include
Plate 191, the riser 192 being connect with one end of plate 191;
Pinboard 18 is arranged in the upper surface of the plate 191, and the 18 upper surface left and right ends of pinboard are set respectively
Pressing plate 11, front end left and right settings outlet mouth of pipe II 12, outlet mouth of pipe III 13 are set, seal gasket 17 is arranged in the center, described
Outlet mouth of pipe V 20, outlet mouth of pipe VI 21 are set on seal gasket 17;Air inlet mouth of pipe 9 is arranged in the left-hand end of the plate 191,
Air inlet pressure reduction control valve 16 is arranged in right-hand end;Be respectively set on the plate 191 left gas path control valve 2, outlet mouth of pipe I 10,
Right gas path control valve 8, outlet mouth of pipe IV 14, testboard power -line terminal 15;The left gas path control valve 2 controls outlet mouth of pipe
I 10, the on-off gas of outlet mouth of pipe II 12, outlet mouth of pipe V 20, the outlet mouth of pipe I 10 and outlet mouth of pipe II 12 pass through pipeline
Connection, the outlet mouth of pipe II 12 are connected to outlet mouth of pipe V 20 by 18 inner hole of pinboard;The right gas path control valve
The on-off gas of 8 control outlet mouth of pipe IV 14, outlet mouth of pipe III 13, outlet mouth of pipe VI 21, the outlet mouth of pipe IV 14 and outlet
Nozzle III 13 is connected to by pipeline connection, the outlet mouth of pipe III 13, outlet mouth of pipe VI 21 by 18 inner hole of pinboard;
Be respectively set on the riser 192 left-handed opening control button 1, test pressure gauge 3, electromagnetic valve circuit binding post 4,
Boost gauge, right switch control knob 7;19 power -line terminal 15 of testboard and left-handed opening control button 1, the right side are opened
Control button 7 is closed to be electrically connected;Left-handed opening control button 1, right switch control knob 7 and the electromagnetic valve circuit binding post
4 are electrically connected;The boost gauge is connected with 9 gas of air inlet mouth of pipe;The test pressure gauge 3 is subtracted by air inlet
Gas connects pressure control valve 16 respectively with left gas path control valve 2, right gas path control valve 8.
Two power -line terminals 15 in figure respectively represent 15 positive and negative anodes of power -line terminal, three electromagnetic valve circuit binding posts
4 respectively represent the positive electrode I, negative electrode, positive electrode II of electromagnetic valve circuit binding post 4.
Pinboard is designed processing, clamped one time according to the design feature of solenoid valve, and the sealing for solving solenoid valve is asked
Topic.
As the preferred embodiment of above-described embodiment, solenoid valve is supersonic jet bistable valve.
As the preferred embodiment of above-described embodiment, tests pressure gauge 3, boost gauge 6 and pass through support base 5 and riser
192 connections.This kind of connection type is stronger.
As a preferred embodiment, pressing plate 11 includes briquetting 111 and screw 112, and the briquetting 111 is connected by screw 112
It connects on pinboard 18.Briquetting 111 is facilitated to be pressed abd fixed on solenoid valve on pinboard 18 by screw 112.It can certainly
Solenoid valve is fixed on pinboard 18 and is guaranteed solenoid valve product and sealing as long as being able to achieve by the pressing plate 11 taken other form
It is air tight between rubber mat.
As a preferred embodiment, seal gasket 17 can be cuboid plate as shown in Figure 1, 2 and be also possible to as shown in Figure 3
Special-shaped Plates.The effect of seal gasket 17 is sealed conducive to solenoid valve clamping and outlet mouth of pipe V 20, outlet mouth of pipe VI 21, close
Potting pad 17 focuses on outlet mouth of pipe V 20, the rubber mat around outlet mouth of pipe VI 21, remaining rubber mat area be in order to increase and
Effective contact surface of solenoid valve is conducive to clamping.
As a preferred embodiment, plate 191 and riser 192 connect l-shaped, convenient electromagnetic valve clamping and observation pressure gauge number
Value.
As a preferred embodiment, pinboard 18 is cuboid, and the 18 upper surface left and right ends of pinboard open up respectively
First hole 182, the second hole 183, front end face or so open up the 5th hole 186, the 6th hole 187 respectively, and the center opens up irregularly
Shape slot 181, the slot bottom of the irregular shape slot 181 open up third hole 184, the 4th hole 185 respectively.As exemplary illustration,
First hole 182, the second hole 183, third hole 184, the 4th hole 185, the 5th hole 186, the 6th hole 187 can be threaded hole, pressing plate
11, outlet mouth of pipe II 12, outlet mouth of pipe III 13, outlet mouth of pipe V 20, outlet mouth of pipe VI 21 pass through the first hole 182, second respectively
Hole 183, the 6th hole 187, the 5th hole 186, third hole 184, the 4th hole 185 are connected on pinboard 18, irregular shape slot 181
Front is that rectangular slot rear portion is dovetail groove, and pinboard 18 is that integrally casting machine adds, and is set according to the characteristics of solenoid valve product
Shape, clamping and the sealing means of meter.
Working method is as follows:
Use preceding preparation:
1. testboard 19 is placed on the desktop of height about 0.8m;
2. connecting line is connected with hose, hose one end connects the output end of air-source pump (0.8Mpa), and other end connection is surveyed
The air inlet mouth of pipe 9 of test stand 19;
3. connecting power supply, it is separately connected with two hookup wires, the output terminal of a termination DC30V regulated power supply, the other end
19 power -line terminal 15 of connecting test platform.
Usage mode is as follows:
(i) gas source pump startup qi of chong channel ascending adversely 0.8Mpa adjusts boost gauge gauge pressure to 0.2Mpa;
(ii) start DC30V regulated power supply, output voltage is adjusted to 24V, 4 electricity of measurement 19 electromagnetic valve circuit binding post of testboard
Pressure should be DC24V and (with the DC shelves of avometer, measure the solenoid valve electricity of 19 left-right switch control button 2,7 of testboard control respectively
The terminal of road binding post 4 should be DC24V).
(iii) solenoid valve product installation is located on the pinboard 18 of testboard 19, is compressed with pressing plate 11, and solenoid valve is connected
4 lead of circuit wiring terminals to solenoid valve lead-out wire (electromagnetic valve circuit binding post 4 anode and solenoid valve left connecting line,
The right wing connecting line of solenoid valve is all connected with);
(iv) it measures air-tightness: connecting right switch control knob 7, work of electromagnet on the right of solenoid valve drives flap to the left
It is mobile.The right gas path control valve 8 of testboard 19 is turned on, air inlet pressure reduction control valve 16 is opened, right gas path control valve 8 controls outlet mouth of pipe
IV 14, the ventilation of outlet mouth of pipe III 13, outlet mouth of pipe VI 21, right electromagnetism valve insertion are inflated, the test pressure gauge 3 on testboard 19
After gauge pressure rises to 0.08Mpa-0.1Mpa, immediately close air inlet pressure reduction control valve 16, with stopwatch record test table indicator by
0.06Mpa is down to the time used in 0.01Mpa, disconnects right switch control knob 7, closes right gas path control valve 8, controls outlet
Nozzle IV 14, outlet mouth of pipe III 13, outlet mouth of pipe VI 21 are died.The airtight of left electromagnetism valve insertion is measured with same program
Property.
The embodiment has the beneficial effect that:
(1) by testboard, the electromagnetism switching of clamped one time, simple operations, solenoid valve is controllable;
(2) it is low to solve batch production solenoid valve detection efficiency for safety, the accuracy for improving air-leakage test
Problem;
(3) this work one can operate completion, greatly improve work efficiency;
(4) integrated design technology is utilized, the pipeline support of dispersion and circuit connection is effective by testboard
It integrates, structure is simple, easy to operate;
(5) pinboard is designed according to the design feature of solenoid valve, and clamped one time solves the sealing problem of solenoid valve;
(6) air circuit connection mode can detect the air-tightness of magnet valve or so lumen orifice respectively;
(7) solenoid valve air tightness test security risk height, low efficiency and the error in supersonic jet bistable valve are solved
The very big problem of rate, and improve the stress precision of engine carrier.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of solenoid valve air tightness detection equipment, including testboard, it is characterised in that: the testboard include plate, with
The riser of one end connection of plate;
Pinboard is arranged in the upper surface of the plate, and pressing plate, front end is respectively set in the pinboard upper surface left and right ends
Seal gasket is arranged in face left and right settings outlet mouth of pipe II, outlet mouth of pipe III, the center;Outlet is set on the seal gasket
Nozzle V, outlet mouth of pipe VI;Air inlet mouth of pipe is arranged in the left-hand end of the plate, and air inlet pressure reduction control valve is arranged in right-hand end;Institute
Left gas path control valve, outlet mouth of pipe I, right gas path control valve, outlet mouth of pipe IV, testboard power supply are respectively set on the plate stated to connect
Terminal, the on-off gas of the left gas path control valve control outlet mouth of pipe I, outlet mouth of pipe II, outlet mouth of pipe V, the outlet
By pipeline connection, the outlet mouth of pipe II is connected to outlet mouth of pipe V by pinboard inner hole for nozzle I and outlet mouth of pipe II;
The on-off gas of the right gas path control valve control outlet mouth of pipe IV, outlet mouth of pipe III, outlet mouth of pipe VI, the outlet mouth of pipe
IV and outlet mouth of pipe III by pipeline connection, the outlet mouth of pipe III, outlet mouth of pipe VI are connected to by pinboard inner hole;
Left-handed opening control button, test pressure gauge, electromagnetic valve circuit binding post, admission pressure are respectively set on the riser
Table, right switch control knob;The testboard power -line terminal and left-handed opening control button, right switch control knob are electrical
Connection;Left-handed opening control button, right switch control knob and the electromagnetic valve circuit binding post is electrically connected;It is described into
Atmospheric pressure table is connected with air inlet pipe implication;The test pressure gauge by air inlet pressure reduction control valve and left gas path control valve,
Gas connects right gas path control valve door respectively.
2. solenoid valve air tightness detection equipment according to claim 1, it is characterised in that: the solenoid valve is supersonic speed
Fluid valve.
3. solenoid valve air tightness detection equipment according to claim 1, it is characterised in that: the test pressure gauge, into
Atmospheric pressure table passes through support base and connects with riser.
4. solenoid valve air tightness detection equipment according to claim 1, it is characterised in that: the pressing plate include briquetting and
Screw, the briquetting are connected by screw on pinboard.
5. solenoid valve air tightness detection equipment according to claim 1, it is characterised in that: the seal gasket can be
Cuboid plate.
6. solenoid valve air tightness detection equipment according to claim 1, it is characterised in that: the plate is connected with riser
L-shaped.
7. solenoid valve air tightness detection equipment according to claim 1, it is characterised in that: the pinboard is rectangular
Body, the pinboard upper surface left and right ends open up the first hole, the second hole respectively, front end face or so open up respectively the 5th hole,
6th hole, the center open up irregular shape slot, and the slot bottom of the irregular shape slot opens up third hole, the 4th hole respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821304574.8U CN208672254U (en) | 2018-08-14 | 2018-08-14 | Solenoid valve air tightness detection equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821304574.8U CN208672254U (en) | 2018-08-14 | 2018-08-14 | Solenoid valve air tightness detection equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208672254U true CN208672254U (en) | 2019-03-29 |
Family
ID=65837351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821304574.8U Active CN208672254U (en) | 2018-08-14 | 2018-08-14 | Solenoid valve air tightness detection equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208672254U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110632424A (en) * | 2019-09-27 | 2019-12-31 | 天长市曙光电子有限公司 | Portable detection equipment for solenoid valve and solenoid valve coil |
-
2018
- 2018-08-14 CN CN201821304574.8U patent/CN208672254U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110632424A (en) * | 2019-09-27 | 2019-12-31 | 天长市曙光电子有限公司 | Portable detection equipment for solenoid valve and solenoid valve coil |
CN110632424B (en) * | 2019-09-27 | 2022-01-25 | 天长市曙光电子有限公司 | Portable detection equipment for solenoid valve and solenoid valve coil |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104534274B (en) | A kind of SF6 self-filler and automatic inflating method thereof | |
CN204420562U (en) | A kind of SF6 self-filler | |
CN208672254U (en) | Solenoid valve air tightness detection equipment | |
CN211205392U (en) | Plateau environment simulation cabin | |
CN204557172U (en) | One changes into glove box and vacuumizes control system | |
CN206134595U (en) | Atmospheric pressure automatic control switch | |
CN110702527A (en) | Pressure test and leakage test integrated equipment for butterfly valve shell | |
CN202158951U (en) | Fixture for electromagnetic valve on-line test table | |
CN212082753U (en) | Zero leakage air tightness detector | |
CN212321384U (en) | Automatic pressure-regulating concrete impermeability instrument | |
CN204612868U (en) | Cylinder impermeability automatic detecting table | |
CN203614839U (en) | Automatic pressure measurement three-way reversing valve | |
CN208887869U (en) | A kind of automatic air tightness detecting system | |
CN109630422B (en) | Control circuit of self-priming pump water testing machine | |
CN106197901A (en) | Container tightness detecting and controlling system and detection device | |
CN207898778U (en) | A kind of positive pressure oxygen respirator detector | |
CN207103054U (en) | A kind of automatic glue injection machine of convenient use | |
CN206986157U (en) | A kind of Pyricularia oryzae classification inoculation apparatus | |
CN209085870U (en) | A kind of tightness measuring device of SOFC connector component | |
CN209069519U (en) | One kind starting owner's trigger valve test device | |
CN209372340U (en) | A kind of sphygmomanometer ties up a bag test device for air tightness | |
CN215411368U (en) | High-low temperature anti-oxygen and anti-hydrogen aging performance test system | |
CN203323978U (en) | Electric appliance connector seal performance detection mechanism | |
CN208520515U (en) | A kind of pressure testing machine and pressure testing system | |
CN213749516U (en) | Mask filtering performance testing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |