CN207946345U - Gas-sensitive property response curve test device with outer cover - Google Patents
Gas-sensitive property response curve test device with outer cover Download PDFInfo
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- CN207946345U CN207946345U CN201820050375.2U CN201820050375U CN207946345U CN 207946345 U CN207946345 U CN 207946345U CN 201820050375 U CN201820050375 U CN 201820050375U CN 207946345 U CN207946345 U CN 207946345U
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- gas
- air inlet
- inlet pipe
- pipe
- cover
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Abstract
The utility model discloses a kind of gas-sensitive property response curve test device with outer cover, sample stage bottom is equipped with heating plate, ring flange is equipped with the first air inlet pipe, the second air inlet pipe and an air outlet pipe, the outlet of wherein the second air inlet pipe is terminated with universal ring pipe, and first air inlet pipe, the second air inlet pipe are located above sample stage, universal ring pipe is close to the top surface of the sample stage；Inner cover is translucent cover, the inner cover covers on sample stage, heating plate, the first probe, the second probe, the first air inlet pipe, the second air inlet pipe, escape pipe and universal ring tube outside, and the open end of inner cover and the periphery of ring flange are fixed, it is sealed by o type circles between inner cover and ring flange, and the inner wall of outer cover is equipped with heater strip.This case is additionally arranged non-removable transparent inner cover, the inner cavity of the inner cover and outside realization are heat-insulated, can thus make gas sensitive to be tested and extraneous temperature isolation, to avoid influence of the ambient temperature to gas-sensitive property curve on the basis of existing structure.
Description
Technical field
The utility model belongs to gas sensitive, gas sensor field more particularly to a kind of gas-sensitive property with outer cover and rings
Curve testing device, the present apparatus is answered to can also be used for and gas pressure and the relevant other field of component.
Background technology
Well-known to those skilled in the art to be, gas sensor is made of gas sensitive, for measure gas type,
Concentration and ingredient can detected the special component in gas, and by ingredient parameter transform at the device or device of electric signal,
Therefore also referred to as gas sensor.The application of gas sensor mainly has：The detection of CO gas, the detection of methane gas, coal
The detection of ethyl alcohol, the detection etc. of human oral cavity halitosis in the detection of gas, the detection of freon (R11, R12), expiration.
The gas-sensitive property response curve of gas sensitive is the important parameter of gas sensitive, it is related to the inspection of gas sensor
Precision is surveyed, and the factors such as gas-sensitive property response curve and temperature, light, gas purity are closely related.Currently, being usually by air-sensitive
Material is fixed on open rack, and two electrodes is used in combination to be contacted with gas sensitive, and gas blow over gas sensitive surface or
Person's detected gas tests out the gas-sensitive property response curve of gas sensitive when surrounding gas sensitive as atmosphere.
In detection process, it has been found that there are following defects for the prior art：
1, since existing test device is Open architecture, contacted with extraneous temperature, light and impurity, thus without
Method completely cuts off the influence of ambient temperature, light and impurity to gas-sensitive property, so as to cause the measuring accuracy of gas-sensitive property response curve
It is not high；
2, existing structure is Open architecture and gas sensitive has absorption to gas, gas when resulting in testing in this way
In gas sensitive near surface state labile to be tested, randomness is big, and variation is irregular, results in test result confidence level in this way
It is low, test data poor repeatability, so that air-sensitive test is meaningless.
It may need under the premise of shielding ambient temperature, light and impurity, to load the light of specific wavelength when 3, testing,
To study influence of the light to gas-sensitive property response curve, however the prior art cannot be satisfied the requirement of this technology at all.
4, the targeted test object of some gas sensitives to be tested is liquid (such as alcohol) under normal temperature state, is being tested
When need to be heated and be allowed to become gaseous state, and drop is formed after preventing it from liquefying in test process, to ensure air-sensitive
Test is smoothed out, however the prior art cannot achieve.
Utility model content
The gas-sensitive property response curve test with outer cover that the technical problem to be solved by the utility model is to provide a kind of
Device, the measuring accuracy and confidence level of air-sensitive response curve to be improved, and can make to protect when the test object test of conventional lower liquid
Hold gaseous state.
The technical solution of the utility model is as follows：A kind of gas-sensitive property response curve test device with outer cover, feature
It is：Including sample stage (1) and inner cover (10), wherein sample stage (1) bottom is equipped with heating plate (2), the sample stage top
Face is for carrying gas sensitive to be tested, and when the first probe (3) and the second probe (4) are tested and gas sensitive to be tested
Surface contacts, the two probes are separately mounted in corresponding mounting assembly, and sample stage (1) and adjusting part are installed in
On ring flange (5)；The ring flange (5) is equipped with the first air inlet pipe (6), the second air inlet pipe (7) and escape pipe (8), wherein the
The outlet of two air inlet pipe (7) is terminated with universal ring pipe (9), and the first air inlet pipe (6), the second air inlet pipe (7) are located at the sample
Above product microscope carrier (1), universal ring pipe (9) is close to the top surface of the sample stage；The ring flange (5) is equipped with gas-adding pipe
(30), the gas-adding pipe and the first and second air inlet pipe (6,7) are located at the both sides of ring flange (5), and the major diameter section (30a) of the gas-adding pipe is outside
Face is wound with resistive heater (31), and the outlet side of gas-adding pipe (30) is connected to the first and second air inlet pipe (6,7)；
The inner cover (10) is translucent cover, which covers on sample stage (1), heating plate (2), the first probe (3), second
Outside probe (4), the first air inlet pipe (6), the second air inlet pipe (7), escape pipe (8) and universal ring pipe (9), and inner cover (10)
The periphery of open end and the ring flange (5) is fixed, and is sealed by o types circle (11) between inner cover (10) and ring flange (5)；
Be covered with outer cover (12) outside the inner cover (10), which is opaque cover, and the open end of inner cover (10) with
Removably is fixed with the ring flange (5) periphery, and the outer wall of outer cover (12) is equipped with can be with the light load ports of open and close
(12a), and the inner wall of the outer cover (12) is equipped with heater strip.
This case is additionally arranged non-removable transparent inner cover (10) on the basis of existing structure, the inner cover (10) it is interior
Chamber and outside realization are heat-insulated, can thus make gas sensitive to be tested and extraneous temperature isolation, to avoid ambient temperature pair
The influence of gas-sensitive property curve；Meanwhile demountable opaque outer cover is increased, ambient can be completely cut off in this way to gas
Quick characteristic influence, and gas sensitive near surface gaseous state to be tested is made to stablize, to improve air-sensitive response curve
Measuring accuracy and confidence level, and ambient can be tested and go the characteristic influence of air-sensitive；In addition, outer cover is loaded equipped with light
Mouthful, thus it is convenient for the light of load specific wavelength, to which the influence for research specific wavelength light to gas-sensitive property curve carries
For possibility；Also, it is also additionally arranged resistive heater outside gas-adding pipe, so that the test object of liquid is gasified laggard
Enter corresponding air inlet pipe, and be equipped with heater strip on the inner wall of outer cover simultaneously, so that the inner cavity of outer cover is in high temperature, thus
It can prevent the gas to be tested in inner cover from liquefying afterwards to the cold, to ensure being smoothed out for air-sensitive test.
Preferably, the mounting assembly includes horizontal pendulum swing arm (13) and vertical pendulum swing arm (16), wherein horizontal hunting
Arm (13) one end is caught in the notch of pedestal (14), and the attachment screw by being vertically arranged (15) and pedestal (14) are fixed, should
Pedestal (14) is fixed on the ring flange (5), and horizontal pendulum swing arm (13) other end is provided with U-shaped breach up and down；Institute
State and be caught in the U-shaped breach of horizontal pendulum swing arm (13) in the middle part of vertical pendulum swing arm (16), and by horizontally disposed pin (17) with
Horizontal pendulum swing arm (13) connects, and is connected with adjusting screw (18) at the top of vertical pendulum swing arm, the tail portion of the adjusting screw with it is described
Horizontal pendulum swing arm (13) top surface contacts；Horizontal pendulum swing arm (13) bottom is opened there are one mounting hole, first probe (3) or
After second probe (4) passes through this mounting hole, locked by the lock-screw (19) on horizontal pendulum swing arm (13).
Using above technical scheme, this case can easily adjust position and the application of the first probe (3) or the second probe (4)
To the pressure of gas sensitive to be tested, and the structure of mounting assembly is simple, easy to adjust, laborsaving.
In the present case, the inner cover (10) is quartz cover, and the outer cover (12) is ceramic shield, and the heating plate (2) is
Ceramic heating flake.In the above-mentioned technical solutions, the light-proofness of ceramic shield is good, can effectively realize shading.
Advantageous effect：This case is additionally arranged non-removable transparent inner cover on the basis of existing structure, the inner cover it is interior
Chamber and outside realization are heat-insulated, can thus make gas sensitive to be tested and extraneous temperature isolation, to avoid ambient temperature pair
The influence of gas-sensitive property curve；Meanwhile demountable opaque outer cover is increased, ambient can be completely cut off in this way to gas
Quick characteristic influence, and gas sensitive near surface gaseous state to be tested is made to stablize, to improve air-sensitive response curve
Measuring accuracy and confidence level, and ambient can be tested and go the characteristic influence of air-sensitive；In addition, outer cover is loaded equipped with light
Mouthful, thus it is convenient for the light of load specific wavelength, to which the influence for research specific wavelength light to gas-sensitive property curve carries
For possibility；Also, it is also additionally arranged resistive heater outside gas-adding pipe, so that the test object of liquid is gasified laggard
Enter corresponding air inlet pipe, and be equipped with heater strip on the inner wall of outer cover simultaneously, so that the inner cavity of outer cover is in high temperature, thus
It can prevent the gas to be tested in inner cover from liquefying afterwards to the cold, to ensure being smoothed out for air-sensitive test.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that test cell removes the schematic diagram after outer cover in Fig. 1.
Fig. 3 is that Fig. 2 removes the schematic diagram after inner cover.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Fig. 1,2 and 3, a kind of gas-sensitive property response curve test device with outer cover, including sample stage 1 and interior
Cover 10, wherein 1 bottom of sample stage are equipped with heating plate 2, which is used to carry gas sensitive to be tested, and
Heating plate 2 is ceramic heating flake.First probe 3 and the second probe 4 are existing structure, when test the two probes with it is to be tested
Gas sensitive surface contact, the two probes are separately mounted in corresponding mounting assembly, and sample stage 1 and adjusting part
It is installed on ring flange 5.First probe 3 and the second probe 4 are connected by corresponding lead with measuring instrument respectively, connection
Mode is existing structure, and details are not described herein, and ring flange 5 is equipped with lead via.
In the present case, mounting assembly includes horizontal pendulum swing arm 13, vertical pendulum swing arm 16, wherein 13 one end of horizontal pendulum swing arm
It is caught in the notch of pedestal 14, and the attachment screw 15 by being vertically arranged is fixed with pedestal 14, which is fixed on flange
On disk 5, and 13 other end of horizontal pendulum swing arm is provided with U-shaped breach up and down.In the present case, 14 tail portion of pedestal passes through insulation sleeve
(being not drawn into figure) is a tight fit in the mounting hole on ring flange 5, to prevent the electric signal short circuit of two probes, ensure smoothly into
The quick characteristic response curve test of promoting the circulation of qi.16 middle part of vertical pendulum swing arm is caught in the U-shaped breach of horizontal pendulum swing arm 13, and passes through level
The pin 17 of setting is connect with horizontal pendulum swing arm 13, and adjusting screw 18 is connected at the top of vertical pendulum swing arm, the adjusting screw
Tail portion is contacted with 13 top surface of horizontal pendulum swing arm.It opens there are one mounting hole, the first probe 3 or the second probe 13 bottom of horizontal pendulum swing arm
After 4 pass through this mounting hole, locked by the lock-screw 19 on horizontal pendulum swing arm 13.
Ring flange 5 is equipped with the first air inlet pipe 6, the second air inlet pipe 7 and escape pipe 8, wherein the outlet of the second air inlet pipe 7
It is terminated with universal ring pipe 9, and the outlet side of universal ring pipe 9 is horn mouth.First air inlet pipe 6, the second air inlet pipe 7 are located at
1 top of sample stage, universal ring pipe 9 is close to the top surface of sample stage 1, and escape pipe 8 is located at 1 lower section of sample stage.It is static
The first air inlet pipe 6 and the second air inlet pipe 7, dynamic method that can be used can only use the second air inlet pipe 7 when testing for method when testing.Ring flange
5 are equipped with gas-adding pipe 30, and the gas-adding pipe and the first air inlet pipe 6, the second air inlet pipe 7 are located at the both sides of ring flange 5, the first air inlet pipe
6, the second air inlet pipe 7 and escape pipe 8 are located at the same side of ring flange 5.Heating electricity is wound with outside the major diameter section 30a of gas-adding pipe 30
Silk 31 is hindered, and the outlet side of gas-adding pipe 30 is connected to the first air inlet pipe 6, the second air inlet pipe 7.
As shown in Fig. 1,2 and 3, inner cover 10 is translucent cover, and preferably quartz cover.Inner cover 10 covers on sample stage 1, heating
Piece 2, the first probe 3, the second probe 4, the first air inlet pipe 6,9 outside of the second air inlet pipe 7, escape pipe 8 and universal ring pipe, and it is interior
The open end of cover 10 and the periphery of ring flange 5 are fixed, and are sealed by o types circle 11 between inner cover 10 and ring flange 5, thus can
Utmostly realize that the temperature of 10 inner cavity of inner cover and outside completely cuts off.
The outside of inner cover 10 is covered with outer cover 12, which is opaque cover, and preferably ceramic shield.The opening of inner cover 10
End removably fixed with 5 periphery of ring flange, and the outer wall of outer cover 12 be equipped with can be with the light load ports of open and close
12a opens light load ports 12a when needing to load the light of specific wavelength, and the light of load penetrates inner cover 10, thus can
Study influence of the specific wavelength light to gas sensitive gas-sensitive property curve.It should be noted that needing in certain testing situations
Interference of the ambient to gas-sensitive property curve is studied, at this moment just needs to remove outer cover 12.It is fixed on the inner wall of outer cover 12
There is heater strip made of resistance (being not drawn into figure), which, which can guarantee, is in the condition of high temperature in outer cover 12 and inner cover 10, from
And object to be tested is prevented to be liquefied as drop afterwards to the cold.
As shown in Fig. 1,2 and 3, sample stage 1, heating plate 2, the first probe 3, the second probe 4, ring flange 5, the first air inlet
Pipe 6, the second air inlet pipe 7, escape pipe 8, universal ring pipe 9, inner cover 10, o types circle 11, outer cover 12 and mounting assembly constitute a survey
Unit is tried, the horizontal equidistant interval setting of 4 test cells, the ring flange 5 of each test cell is fixed on riser 20, and riser
20 bottoms are fixed with 21 top surface of horizonal base plate.When manufacturing gas sensitive, usually batch micro operations more than one piece, due to the gas of gas sensitive
Quick characteristic curve can change as time went on, therefore this case may be used 4 test cells while measure 4 samples, from
And the adverse effect that the time tests gas-sensitive property curve is reduced, effect is not to improve detection efficiency, therefore this design is not
It is conventional design, it is creative.
The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (3)
1. a kind of gas-sensitive property response curve test device with outer cover, it is characterised in that：Including sample stage (1) and inner cover
(10), wherein sample stage (1) bottom is equipped with heating plate (2), which is used to carry gas sensitive to be tested,
And contacted with gas sensitive surface to be tested when the first probe (3) and the second probe (4) test, the two probes are installed respectively
In corresponding mounting assembly, and sample stage (1) and adjusting part are installed on ring flange (5)；On the ring flange (5)
Equipped with the first air inlet pipe (6), the second air inlet pipe (7) and escape pipe (8), wherein the outlet of the second air inlet pipe (7) be terminated with it is universal
Ring pipe (9), and the first air inlet pipe (6), the second air inlet pipe (7) are located above the sample stage (1), universal ring pipe (9)
Close to the top surface of the sample stage；The ring flange (5) is equipped with gas-adding pipe (30), the gas-adding pipe and the first and second air inlet pipe (6,
7) both sides of ring flange (5) are located at, resistive heater (31), and gas-adding pipe are wound with outside the major diameter section (30a) of the gas-adding pipe
(30) outlet side is connected to the first and second air inlet pipe (6,7)；
The inner cover (10) is translucent cover, which covers on sample stage (1), heating plate (2), the first probe (3), the second probe
(4), outside the first air inlet pipe (6), the second air inlet pipe (7), escape pipe (8) and universal ring pipe (9), and the opening of inner cover (10)
It holds the periphery with the ring flange (5) to fix, is sealed by o types circle (11) between inner cover (10) and ring flange (5)；
Outer cover (12) is covered with outside the inner cover (10), which is opaque cover, and the open end of inner cover (10) is with removable
It unloads mode to fix with the ring flange (5) periphery, the outer wall of outer cover (12) is equipped with can be with the light load ports of open and close
(12a), and the inner wall of the outer cover (12) is equipped with heater strip.
2. the gas-sensitive property response curve test device according to claim 1 with outer cover, it is characterised in that：The installation
Component includes horizontal pendulum swing arm (13) and vertical pendulum swing arm (16), and wherein horizontal pendulum swing arm (13) one end is caught in lacking for pedestal (14)
In mouthful, and the attachment screw by being vertically arranged (15) is fixed with pedestal (14), which is fixed on the ring flange (5)
On, and horizontal pendulum swing arm (13) other end is provided with U-shaped breach up and down；It is caught in level in the middle part of the vertical pendulum swing arm (16)
It in the U-shaped breach of swing arm (13), and is connect with horizontal pendulum swing arm (13) by horizontally disposed pin (17), in vertical oscillation
It is connected with adjusting screw (18) at the top of arm, the tail portion of the adjusting screw is contacted with horizontal pendulum swing arm (13) top surface；The water
Flat pendulum swing arm (13) bottom is opened there are one mounting hole, after first probe (3) or the second probe (4) pass through this mounting hole,
By lock-screw (19) locking on horizontal pendulum swing arm (13).
3. the gas-sensitive property response curve test device according to claim 1 with outer cover, it is characterised in that：The inner cover
(10) it is quartz cover, the outer cover (12) is ceramic shield, and the heating plate (2) is ceramic heating flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820050375.2U CN207946345U (en) | 2018-01-11 | 2018-01-11 | Gas-sensitive property response curve test device with outer cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820050375.2U CN207946345U (en) | 2018-01-11 | 2018-01-11 | Gas-sensitive property response curve test device with outer cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946345U true CN207946345U (en) | 2018-10-09 |
Family
ID=63701714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820050375.2U Expired - Fee Related CN207946345U (en) | 2018-01-11 | 2018-01-11 | Gas-sensitive property response curve test device with outer cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207946345U (en) |
-
2018
- 2018-01-11 CN CN201820050375.2U patent/CN207946345U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20190111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |