CN108318637A - A kind of device that gas detector is directly demarcated - Google Patents
A kind of device that gas detector is directly demarcated Download PDFInfo
- Publication number
- CN108318637A CN108318637A CN201810324919.4A CN201810324919A CN108318637A CN 108318637 A CN108318637 A CN 108318637A CN 201810324919 A CN201810324919 A CN 201810324919A CN 108318637 A CN108318637 A CN 108318637A
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- Prior art keywords
- gas
- standard gas
- mouth
- standard
- gas mouth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of devices directly demarcated to gas detector, belong to calibration inspection device of air, and structure includes：Device body, wherein：Described device ontology includes sensor, sensor cavity, standard gas mouth and standard gas mouth protective device; described device body interior is sensor cavity; sensor is fixed in the sensor cavity body; standard gas mouth protective device is fixed on the top of described device ontology; the standard gas mouth protective device is internally provided with standard gas mouth; the standard gas mouth is connected to sensor cavity by gas buffer chamber, and the standard gas mouth is equipped with intubation pillar.The present invention can directly demarcate gas detector, and the hose of calibrating gas is directly connected to standard gas mouth, and sensor cavity, flowing buffer gas speed, also to the protection standard gas mouth protective device of standard gas mouth are reached by gas buffer chamber.
Description
Technical field
The present invention relates to calibration inspection device of air more particularly to a kind of devices directly demarcated to gas detector.
Background technology
Gas detector is a kind of instrument and meter tool of gas leakage Concentration Testing, and the main sensor inside exists
Detect gas type present in environment.Gas detector sensor site on the market now, is largely by sensor top
Lid and sensor base are constituted.Since sensor head cover is there are fixed shape, and sensor its head cover will include to live sensor,
So gas detector producer on the market is when into the links such as the manufacture of row detector test verification and inspection, it is to need to configure mark
Gas hood or air chest.Manufacturer needs individually customization standard gas cover, and when carrying out standard gas, needs add on calibrating gas bottle
Standard gas cover is filled, cost is increased, while increasing process, using upper comparatively laborious.
Invention content
The present invention provides a kind of device directly demarcated to gas detector to solve Problems Existing, can be to detection of gas
Device is directly demarcated, and the hose of calibrating gas is directly connected to standard gas mouth, and sensor cavity, buffer gas are reached by gas buffer chamber
Flowing velocity, also to the protection standard gas mouth protective device of standard gas mouth.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of device that gas detector is directly demarcated, including：Device body, wherein：Described device ontology include sensor,
Sensor cavity, standard gas mouth and standard gas mouth protective device, described device body interior are sensor cavity, the sensor cavity
Standard gas mouth protective device is fixed on the top of interior fixed sensor, described device ontology, and the standard gas mouth protective device is internally provided with
Standard gas mouth, the standard gas mouth are connected to sensor cavity by gas buffer chamber, and the gas buffer chamber is in funnel-form, the standard gas
Mouth is equipped with intubation pillar.
The internal diameter of the sensor cavity is 40mm, and the internal diameter of the standard gas mouth is 2.5mm, the height of the gas buffer chamber
Degree is 12mm, and the maximum inner diameter of the gas buffer chamber is 10mm, minimum diameter and the standard gas mouth internal diameter of the gas buffer chamber
Unanimously.The maximum inner diameter of the gas buffer chamber is more than the internal diameter of standard gas mouth, and the internal diameter of the sensor cavity is slow more than gas
The internal diameter of chamber is rushed, gas enters gas buffer chamber cavity volume from standard gas mouth and expands, and gas is easily spread, and gas can be uniformly distributed
In cushion chamber cavity, slow down the flowing velocity of calibrating gas.
The standard gas mouth and standard gas gas port protective device are integral structures.
The length of the standard gas mouth protective device is longer 10mm than standard gas mouth.The standard gas mouth protective device is higher than standard gas mouth,
Standard gas mouth protective device and standard gas mouth are integral structures, are played a good protective effect.
The standard gas mouth protective device is claw type structure, and the claw type structure includes multiple pawls, between being equipped between multiple pawls
Gap is leaked out mouth, and the pawl of the claw type structure inwardly holds 18-22 °, and the gas in sensor cavity body can leak out mouth spilling from gap, overflow
It is merged with air at claw type structure after going out, mouth is leaked out convenient for air circulation in the gap of claw type structure, is easy to gas diffusion.
Flame proof piece is equipped between the gas buffer chamber and sensor cavity.
The flame proof piece is compacted gasket and is fastened between gas buffer chamber and sensor cavity.Flame proof piece is with hole point
Cloth is uniform, air penetrability is big, pressure loss small intensity is high, thermal conductivity is good, is easy to the good characteristics such as knock down the flame, is ideal flame proof
Fire retardant elements.The alarm reflecting time that fire-retardant explosion isolation device can effectively be shortened improves sensibility and the shock resistance of fire retardant elements
Ability, to greatly improve the security reliability and service life of device.
Compared with prior art, beneficial effects of the present invention are：
1. calibrating gas hose can directly be plugged on standard gas mouth, go out in test verification without using standard gas cover by the present invention
Reduce a step process when factory, keeps gas detector efficient and convenient when being demarcated.In experimentation is done in inspection, also not by
It is limited to that whether there is or not the presence of standard gas cover, as long as there is calibrating gas that can demarcate.
2. present invention setting gas buffer chamber, the presence of gas buffer chamber slow down the flowing velocity of gas, avoid gas
Body protects sensor, while gas flowing is gentle, keeps sensor fully anti-with calibrating gas to the high speed impact of sensor
It answers, improves the accuracy of sensor.
3. on the one hand standard gas mouth protective device of the present invention protects standard gas mouth to be allowed to be not easily susceptible to damage, on the other hand mark
The claw type structure of gas port protective device is leaked out mouth equipped with gap, and the gas in sensor cavity body can leak out mouth spilling from gap,
It is merged with air at claw type structure after spilling, mouth is leaked out convenient for air circulation in the gap of claw type structure, is easy to gas diffusion.
4. the present invention increases flame proof piece, it can effectively shorten the alarm reflecting time of fire-retardant explosion isolation device, improve fire-retardant member
The sensibility and impact resistance of part, to greatly improve the security reliability and service life of device.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the cut-away view of the present invention；
Fig. 2 is the side view of the present invention；
In figure：1 is device body, and 2 be sensor, and 3 be sensor cavity, and 4 be compress gasket, and 5 be flame proof piece, and 6 is slow for gas
Rush chamber, 7 be standard gas mouth, and 8 be standard gas mouth protective device, and 9 be intubation pillar, and 10 be pawl, and 11 leak out mouth for gap.
Specific implementation mode
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, is illustrated only in attached drawing and invent relevant part.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments in mutual combination.
Embodiment one
As shown in Figs. 1-2, a kind of device directly demarcated to gas detector is present embodiments provided, including：Device body 1,
Wherein：Described device ontology 1 includes sensor 2, sensor cavity 3, standard gas mouth 7 and standard gas mouth protective device 8, described device sheet
1 inside of body is sensor cavity 3, and sensor 2 is fixed in the sensor cavity 3, and standard gas is fixed on the top of described device ontology 1
Mouth protective device 8, the standard gas mouth protective device 8 are internally provided with standard gas mouth 7, and the standard gas mouth 7 passes through gas buffer chamber 6 and is connected to
Sensor cavity 3, the standard gas mouth 7 are equipped with intubation pillar 9.
In the present embodiment：The internal diameter of the sensor cavity 3 is 40mm, and the internal diameter of the standard gas mouth 7 is 2.5mm, described
The height of gas buffer chamber 6 is 12mm, and the maximum inner diameter of the gas buffer chamber 6 is 10mm, the minimum of the gas buffer chamber 6
Internal diameter is consistent with 7 internal diameter of standard gas mouth.
In the present embodiment：The standard gas mouth protective device 8 and standard gas mouth 7 are integral structures.
In the present embodiment：The length of the standard gas mouth protective device 8 is than 7 long 10mm of standard gas mouth.
In the present embodiment：The standard gas mouth protective device 8 is claw type structure.The claw type structure includes multiple pawls 10, more
It leaks out mouth 11 equipped with gap between a pawl, the pawl inwardly holds 18-22 °.
In the present embodiment：Flame proof piece 5 is equipped between the gas buffer chamber 6 and sensor cavity 3.
In the present embodiment：The flame proof piece 5 is compacted gasket 4 and is fastened between gas buffer chamber 6 and sensor cavity 3.
When the present embodiment is in use, the intubation pillar 9 on standard gas mouth 7 accesses the hose of calibrating gas, and calibrating gas is logical
Standard gas mouth 7 is crossed by gas buffer chamber 6, in gas buffer chamber 6, enters gas buffer chamber cavity volume from standard gas mouth and expands,
Gas is easily spread, and gas can be evenly distributed in cushion chamber cavity, slows down the flowing velocity of calibrating gas, then calibrating gas
Flame proof piece 5 is uniformly penetrated, flame proof piece 5 plays the role of certain mitigation of gases flow sensor cavity 3 simultaneously.Gas enters biography
In sensor cavity 3, calibrating gas is slowly full of entire sensor cavity 3, and gas is fully reacted with sensor 2, and measurement data is more
It is accurate.The claw type structure of standard gas mouth protective device 8 is leaked out mouth 11 equipped with gap, and gas enters gas buffer chamber from standard gas mouth
6, then by flame proof piece 5 enter sensor cavity 3, if gas from sensor cavity 3 overflow if, then need by flame proof piece
5, gas can gap leak out the spilling of mouth 11, merged with air at claw type structure after spilling, leak out mouth 11 for the gap of claw type structure
Convenient for air circulation, it is easy to gas diffusion.
In addition to the technical characteristic described in specification, remaining technical characteristic is the known technology of those skilled in the art, is prominent
Go out the innovative characteristics of the present invention, details are not described herein for remaining technical characteristic.To sum up, the foregoing is merely a prefered embodiment of the invention and
, it should not be limited the scope of the invention with this, i.e., every claims under this invention and present specification are made
Simple equivalent changes and modifications, should all still belong to the range that patent of the present invention covers.
Claims (7)
1. a kind of device that gas detector is directly demarcated, including：Device body（1）, wherein：Described device ontology（1）Packet
Include sensor（2）, sensor cavity（3）, standard gas mouth（7）With standard gas mouth protective device（8）, described device ontology（1）Inside is
Sensor cavity（3）, the sensor cavity（3）Interior fixed sensor（2）, described device ontology（1）Top fix standard gas
Mouth protective device（8）, the standard gas mouth protective device（8）It is internally provided with standard gas mouth（7）, the standard gas mouth（7）It is slow by gas
Rush chamber（6）It is connected to sensor cavity（3）, the gas buffer chamber（6）In funnel-form, the standard gas mouth（7）It is equipped with intubation branch
Column（9）.
2. a kind of device directly demarcated to gas detector according to claim 1, it is characterised in that：The sensor
Cavity（3）Internal diameter be 40mm, the standard gas mouth（7）Internal diameter be 2.5mm, the gas buffer chamber（6）Height be 12mm,
The gas buffer chamber（6）Maximum inner diameter be 10mm, the gas buffer chamber（6）Minimum diameter and standard gas mouth（7）Internal diameter
Unanimously.
3. a kind of device directly demarcated to gas detector according to claim 1, it is characterised in that：The standard gas mouth
Protective device（8）With standard gas mouth（7）It is integral structure.
4. a kind of device directly demarcated to gas detector according to claim 3, it is characterised in that：The standard gas mouth
Protective device（8）Length than standard gas mouth（7）Long 10mm.
5. a kind of device directly demarcated to gas detector according to claim 1, it is characterised in that：The standard gas mouth
Protective device（8）For claw type structure.
6. a kind of device directly demarcated to gas detector according to claim 5, it is characterised in that：The claw type knot
Structure includes multiple pawls（10）, leak out mouth equipped with gap between multiple pawls（11）, the pawl inwardly holds 18-22 °.
7. a kind of device directly demarcated to gas detector according to claim 1, it is characterised in that：The gas is slow
Rush chamber（6）And sensor cavity（3）Between be equipped with flame proof piece（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324919.4A CN108318637A (en) | 2018-04-12 | 2018-04-12 | A kind of device that gas detector is directly demarcated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324919.4A CN108318637A (en) | 2018-04-12 | 2018-04-12 | A kind of device that gas detector is directly demarcated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108318637A true CN108318637A (en) | 2018-07-24 |
Family
ID=62897672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324919.4A Withdrawn CN108318637A (en) | 2018-04-12 | 2018-04-12 | A kind of device that gas detector is directly demarcated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108318637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918788A (en) * | 2018-09-06 | 2018-11-30 | 汉威科技集团股份有限公司 | The finished product mark checking device and mark check system of detector |
| CN109115259A (en) * | 2018-09-06 | 2019-01-01 | 汉威科技集团股份有限公司 | A kind of standard gas conveying device |
-
2018
- 2018-04-12 CN CN201810324919.4A patent/CN108318637A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918788A (en) * | 2018-09-06 | 2018-11-30 | 汉威科技集团股份有限公司 | The finished product mark checking device and mark check system of detector |
| CN109115259A (en) * | 2018-09-06 | 2019-01-01 | 汉威科技集团股份有限公司 | A kind of standard gas conveying device |
| CN109115259B (en) * | 2018-09-06 | 2024-03-15 | 汉威科技集团股份有限公司 | Standard gas conveying device |
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Application publication date: 20180724 |