CN209264673U - A kind of air-sensitive performance test device - Google Patents
A kind of air-sensitive performance test device Download PDFInfo
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- CN209264673U CN209264673U CN201821701335.6U CN201821701335U CN209264673U CN 209264673 U CN209264673 U CN 209264673U CN 201821701335 U CN201821701335 U CN 201821701335U CN 209264673 U CN209264673 U CN 209264673U
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- seal closure
- air
- gas
- performance test
- test device
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Abstract
The utility model discloses a kind of air-sensitive performance test devices of field of gas detection.Including seal closure, seal cap, sealing-plug, gasket, monitor station, wherein seal closure includes buffer table, cushion space, air inlet, gas outlet, route mouth.Seal closure is assembled with monitor station by the way that screw thread is opposite, and has gasket between seal closure and monitor station；Seal cap, sealing-plug pass through Screw assembly with seal closure respectively；Air inlet injectable liquid detection gas can also be connected by flowmeter with inert gas gas cylinder；Detection gas enter seal closure buffer table, cushion space after evenly mixing, can pass through buffer table side wall stomata diffusion detection gas chamber.Air-sensitive performance test device provided by the utility model can test different detection source gas sensor air-sensitive performances.The utility model has easy to operate, simple in structure, good airproof performance, high reliability.
Description
Technical field
The utility model belongs to field of gas detection, in particular to a kind of air-sensitive performance test device.
Background technique
With the development of economy, requirement of the people to quality of the life is higher and higher, and the proposition of smart home is even more to embody
Demand of the people to consumer electronics and intelligent dwelling.The target of smart home be in order to allow people's lives it is more comfortable, it is cheap,
Safety.For the more comfortable, health for allowing people to live, the safety of environment is most important.Therefore, environmental detection set must can not
Few, the research of gas sensor is more important.The test of gas sensor needs specific, accurate environment, and needs to detect
The stability and controllability of environment.However, there is no unified, succinct air-sensitive performance test devices to reach this requirement at present.
Researcher needs a kind of easy to operate, and device is stablized, and low-cost air-sensitive performance test device carries out gas sensor
Test.
Utility model content
In order to solve the problems, such as existing air-sensitive performance test device, a kind of air-sensitive performance test device, feature are provided
It is, comprising: seal closure, seal cap, sealing-plug, gasket, monitor station；Wherein monitor station is a round tray, on monitor station
Side is equipped with two installation annular grooves of seal closure mounting portion and sensor mount, seal closure and seal closure mounting portion and is connected by screw thread
It connects, the gasket for guaranteeing air-tightness is additionally provided between seal closure and monitor station；Gas sensor is placed in sensor installation
In portion；The barrel of seal closure is equipped with air inlet and air outlet to the roof outside for being externally provided with a route mouth seal closure；
Seal cap is installed on outside air inlet by internal screw thread；Sealing-plug is installed on outside route mouth by internal screw thread.
The seal closure is the cylinder-like structure that opening is swept away, and is equipped with buffer table on the inside of the roof of seal closure, seal closure
Roof and buffer table surround a cylindrical cushion space, and air inlet and air outlet are all located at the surface of cushion space.
The side wall of the buffer table is provided with circular through hole.
Sealant is coated at screw thread between the seal closure and monitor station.
It is described in the present embodiment, gasket is annular, and gasket and sealing-plug are all made of butadiene-styrene rubber, seal closure
It is all made of insulation engineering plastics or glass with monitor station, seal cap is made of insulation engineering plastics or butadiene-styrene rubber.
Line throughhole is provided on the sealing-plug.
The air inlet is connected with the device of injection liquid detection gas, or by flowmeter and with the inertia of pressure reducing valve
Gas bomb is connected.
The gas outlet emptying is connected by tracheae with mechanical pump.
The utility model has the advantage that are as follows:
Make liquid detection gasification using inert gas as carrier gas, realizes the static test of gas sensor performance；
Can will test gas in advance and inert gas be mixed with for have a certain concentration (such as 50ppm, 100ppm,
Gaseous mixture 500ppm), and it is connected by gas flowmeter with device, the dynamic for carrying out gas sensor performance is surveyed
Examination.
Structure is simple, simple to operation, dismantling is cheap, accurately controls test ambient condition, can avoid liquid and tests gas pair
The advantages that pollution of gas sensor, can simplify gas test operating process, realize convenient and efficient air-sensitive performance test.
Detailed description of the invention
Fig. 1 is a kind of profilograph of air-sensitive performance test device embodiment of the utility model
In figure, 1- seal closure, 2- seal cap, 3- sealing-plug, 4- gasket, 5- monitor station, 101- buffer table, 102- is slow
Rush space, 103- air inlet, the gas outlet 104-, 105- route mouth.
Specific embodiment
For the technology contents and feature for further illustrating the utility model, the utility model is carried out below in conjunction with attached drawing
Explanation.
The utility model embodiment as shown in Figure 1, comprising: seal closure 1, seal cap 2, sealing-plug 3, gasket 4, detection
Platform 5；Wherein monitor station 5 is a round tray, and seal closure mounting portion and sensor mount two installations are equipped with above monitor station 5
Annular groove, seal closure 1 are installed on monitor station 5 by the screw thread that seal closure mounting portion inner wall in monitor station 5 is equipped with；Seal closure
The gasket 4 for guaranteeing air-tightness is additionally provided between 1 and monitor station 5；Gas sensor is placed on sensor mount.
The barrel lower part of the cylinder-like structure that there is seal closure 1 opening to sweep away, seal closure 1 is equipped with and seal closure mounting portion phase
Matched external screw thread, the barrel of seal closure 1 is to being externally provided with a route mouth 105；Buffer table is equipped on the inside of the roof of seal closure 1
101, the side wall of buffer table 101 is provided with several circular through holes, tests for the air-sensitive performance to air-liquid state detection gas；Seal closure 1
Roof and buffer table 101 surround a cylindrical cushion space 102,103 He of air inlet is equipped on the outside of the roof of seal closure 1
Gas outlet 104, air inlet 103 and gas outlet 104 are all located at the surface of cushion space 102；
Seal cap 2 is installed on outside air inlet 103 by internal screw thread；
Sealing-plug 3 is installed on outside route mouth 105 by internal screw thread, is also provided with line throughhole on sealing-plug 3；
In the present embodiment, gas sensor uses such as bright gas sensing for containing science and technology MP503, MP901 packing forms
Device；
In the present embodiment, gasket 4 is annular；
In the present embodiment, seal closure 1 and monitor station 5 are all made of insulation engineering plastics or glass, guarantee that device is airtight
Property；Sealing-plug 3 and gasket 4 are all made of butadiene-styrene rubber；Seal cap 2 is made of insulation engineering plastics or butadiene-styrene rubber.
Air inlet 103 can be connected with the device of injection liquid detection gas, can also pass through flowmeter and inert gas
Gas cylinder is connected
The assembling process of the utility model embodiment is as follows:
Gas sensor is placed in the sensor mount of monitor station 5, and the measurement circuit of gas sensor is passed through
The route mouth 105 of seal closure 1 is drawn；By the measurement circuit of the 1 route mouth of through-hole fixing seal cover on sealing-plug 3, and will be close
Blocking 3 is connected with the route mouth 105 of seal closure 1 by screw thread；
Gasket 4 is put into the seal closure mounting portion of monitor station 5, is then passed through seal closure 1 and seal closure mounting portion
Screw thread is closely coupled, is finally coated with sealant at the screw thread between seal closure 1 and monitor station 5 to guarantee air-tightness；
The present embodiment is started after gluing to carry out air-sensitive testing experiment.
The operating process that the utility model embodiment does air-sensitive testing experiment is as follows:
Before test, conducting wire and air-sensitive that the good the utility model air-sensitive performance test device route mouth of compression fit is drawn
Test macro is connected, and wherein the utility model embodiment test grinds Jin Feng JF02F gas sensor test macro conduct using expensive
Detection device；In addition, seal closure air inlet 103 is connected by flowmeter with the inert gas steel cylinder with pressure reducing valve；Sealing
Cover gas outlet 104 is connected or is emptied with mechanical pump by tracheae.
When test, 1 gas outlet of seal closure is connected with mechanical pump first, after gas testing systems are vacuumized, by outlet
Mouth 104 seals.Secondly, opening air inlet 103, a certain amount of liquid detection gas is injected, then access inert gas piping, pass through tune
Throttle body flow is slowly passed through a certain amount of inert gas, guarantees quantitative, controllable test environment.Liquid detects gas first
It is deposited in cushion space 102, by controlling the flow of inert gas, injection liquid detection gas can be made slowly to gasify and through too slow
The through-hole of platform side wall is rushed full of entire gas sensitive detection device.Finally, by air-sensitive test macro to the gaseous environment in seal closure 1
Carry out quantitative test.
After test, each component of the utility model embodiment is unscrewed respectively and is disassembled separately, gas sensor is taken out,
It then cleans each component and waits for that test next time is spare.
Claims (8)
1. a kind of air-sensitive performance test device characterized by comprising seal closure (1), seal cap (2), sealing-plug (3), sealing
Pad (4), monitor station (5)；Wherein monitor station (5) is a round tray, is equipped with seal closure mounting portion and sensing above monitor station (5)
Two installation annular grooves of device mounting portion, seal closure (1) are connected through a screw thread with seal closure mounting portion, seal closure (1) and monitor station
(5) gasket (4) for guaranteeing air-tightness is additionally provided between；Gas sensor is placed on sensor mount；Seal closure
(1) barrel is equipped with air inlet (103) and gas outlet on the outside of the roof of seal closure (1) to a route mouth (105) is externally provided with
(104)；
Seal cap (2) is installed on air inlet (103) outside by internal screw thread；Sealing-plug (3) is installed on route mouth by internal screw thread
(105) outside.
2. a kind of air-sensitive performance test device according to claim 1, which is characterized in that the seal closure (1) is opening
The roof inside of the cylinder-like structure swept away, seal closure (1) is equipped with buffer table (101), the roof and buffer table of seal closure (1)
(101) a cylindrical cushion space (102) is surrounded, and air inlet (103) and gas outlet (104) are all located at cushion space
(102) surface.
3. a kind of air-sensitive performance test device according to claim 2, which is characterized in that the side of the buffer table (101)
Wall is provided with circular through hole.
4. a kind of air-sensitive performance test device according to claim 1, which is characterized in that the seal closure (1) and detection
Sealant is coated at screw thread between platform (5).
5. a kind of air-sensitive performance test device according to claim 1, which is characterized in that the gasket (4) is annular,
And gasket (4) and sealing-plug (3) are all made of butadiene-styrene rubber, seal closure (1) and monitor station (5) all by insulation engineering plastics or
Glass is made, and seal cap (2) is made of insulation engineering plastics or butadiene-styrene rubber.
6. a kind of air-sensitive performance test device according to claim 1, which is characterized in that be provided on the sealing-plug (3)
Line throughhole.
7. a kind of air-sensitive performance test device according to claim 1, which is characterized in that the air inlet (103) and note
The device for penetrating liquid detection gas is connected, or is connected by flowmeter with the inert gas steel cylinder with pressure reducing valve.
8. a kind of air-sensitive performance test device according to claim 1, which is characterized in that gas outlet (104) emptying
Or it is connected by tracheae with mechanical pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701335.6U CN209264673U (en) | 2018-10-19 | 2018-10-19 | A kind of air-sensitive performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701335.6U CN209264673U (en) | 2018-10-19 | 2018-10-19 | A kind of air-sensitive performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264673U true CN209264673U (en) | 2019-08-16 |
Family
ID=67558580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821701335.6U Active CN209264673U (en) | 2018-10-19 | 2018-10-19 | A kind of air-sensitive performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264673U (en) |
-
2018
- 2018-10-19 CN CN201821701335.6U patent/CN209264673U/en active Active
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