CN209117620U - Catalytic combustion sensor - Google Patents
Catalytic combustion sensor Download PDFInfo
- Publication number
- CN209117620U CN209117620U CN201821023637.2U CN201821023637U CN209117620U CN 209117620 U CN209117620 U CN 209117620U CN 201821023637 U CN201821023637 U CN 201821023637U CN 209117620 U CN209117620 U CN 209117620U
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- CN
- China
- Prior art keywords
- explosion
- proof casing
- gas
- titanium
- catalysis
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses catalytic combustion sensors, including explosion-proof casing, separate cavities and catalysis sonde-type gas sensor；The explosion-proof casing is made of titanium aluminum composite plate；There are two support frames for connection below the explosion-proof casing, and support frame includes loop bracket and pedestal, is wherein fixedly connected above loop bracket with explosion-proof casing, base top is fixedly connected with loop bracket bottom；The explosion-proof casing bottom left is equipped with cooling water inlet, and explosion-proof casing top right side is equipped with cooling water outlet, and explosion-proof casing right end is connected with separate cavities；Partition is equipped between separate cavities and explosion-proof casing, partition is equipped with two pieces.When the utility model at work, gas to be tested enters gas chamber from inlet plenum, and the indoor catalysis sonde-type gas sensor of gas carries out catalysis combustion measurement to gas；Since catalysis burning generates a large amount of heat, cooling water takes away the heat of generation, and whole equipment security performance is high.
Description
Technical field
The utility model relates to a kind of sensors, specifically catalytic combustion sensor.
Background technique
Catalytic combustion method gas sensor is to be matched using the fuel factor principle of catalysis burning by detecting element and compensating element,
To measuring bridge is constituted, under the conditions of certain temperature, fuel gas is sent out under the action of detecting element carrier surface and catalyst
Raw flameless combustion, bed temperature just increase, and are also accordingly increased by its internal platinum wire resistance, so that it is flat to lose balanced bridge
Weighing apparatus exports an electric signal directly proportional to combustable gas concentration.By measuring the size of the resistance variations of platinum filament, being known that can
The concentration of combustion property gas.It is mainly used for the detection of imflammable gas, has output signal linearity good, index is reliable, and it is cheap,
Cross-infection will not occur with other non-combustible gas.
And when detecting, these gases can be reacted with catalytic combustion sensor generates a large amount of heat, and long-term work is easy
Damage;Using high performance power supply chip LDO, cost is excessively high, is unfavorable for producing in enormous quantities.
Utility model content
The purpose of this utility model is to provide catalytic combustion sensors, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
Catalytic combustion sensor, including explosion-proof casing, separate cavities, gas chamber and catalysis sonde-type gas sensor；It is described anti-
Blasting shell body is made of titanium aluminum composite plate；There are two support frames for connection below the explosion-proof casing, and support frame includes loop bracket
And pedestal, it is wherein fixedly connected above loop bracket with explosion-proof casing, base top is fixedly connected with loop bracket bottom；It is described
Explosion-proof casing bottom left is equipped with cooling water inlet, and explosion-proof casing top right side is equipped with cooling water outlet, and explosion-proof casing right end connects
It is connected to separate cavities；Partition is equipped between separate cavities and explosion-proof casing, partition is equipped with two pieces, and cavity is equipped between partition；It is described
Separate cavities include two chambers, respectively inlet plenum and outlet chamber；Under test gas is equipped with inside the explosion-proof casing to circulate
Pipeline, and cooling fin is laid under test gas circulation duct；The gas chamber be located inside explosion-proof casing and not with explosion-proof shell
Body contact, while the upper and lower ends of gas chamber are connected with air inlet pipe and exhaust pipe, air inlet pipe by under test gas circulation duct with into
Gas chamber's connection setting, exhaust pipe are arranged by under test gas circulation duct and outlet chamber；If being equipped in the gas chamber
Dry catalysis sonde-type gas sensor.
Further, the titanium aluminum composite plate includes aluminium sheet substrate, and the aluminium titanium plate being covered on aluminium sheet base lower surface is covered
It is placed on the titanium oxide film of aluminium titanium plate outer surface, is covered in the titanium aluminum oxide oxidation film of aluminium sheet upper surface of base plate, aluminium titanium plate and titanyl
Change film and constitute titanium composite panel, titanium composite panel and aluminium sheet substrate pass through hot rolling and be integrated.
Further, the titanium oxide film is hyalomitome.
Further, the titanium aluminum oxide oxidation film is also hyalomitome.
Further, the catalysis sonde-type gas sensor is connected to outside explosion-proof casing by conducting wire.
Compared with prior art, when the utility model at work, cooling water enters anti-from the cooling water inlet of bottom left
Blasting shell body, until cooling water will flow out after under test gas circulation duct all submergence from the cooling water outlet of top right side, it is to be measured
Gas testing body enters gas chamber from inlet plenum, and the indoor catalysis sonde-type gas sensor of gas carries out catalysis combustion measurement to gas；
Since catalysis burning generates a large amount of heat, cooling water takes away the heat of generation, and whole equipment security performance is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of catalytic combustion sensor.
Fig. 2 is the structural schematic diagram of titanium aluminum composite plate in catalytic combustion sensor.
Fig. 3 is the structural schematic diagram of support frame in catalytic combustion sensor.
In figure: 1. shells；2. cooling water inlet；3. support frame；4. separate cavities；5. under test gas circulation duct；6. gas chamber；
7. being catalyzed sonde-type gas sensor；11. aluminium sheet substrate；12. aluminium titanium plate；13. titanium oxide film；14. titanium aluminum oxide oxidation film；
21. cooling water outlet；31. loop bracket；32. pedestal；41. inlet plenum；42. outlet chamber；43. partition；51. cooling fin；
61. air inlet pipe；62. exhaust pipe
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Please refer to Fig. 1-3, catalytic combustion sensor, including explosion-proof casing 1, separate cavities 4, gas chamber 6 and catalysis sonde-type gas
Body sensor 7；The explosion-proof casing 1 is made of titanium aluminum composite plate, and titanium aluminum composite plate includes aluminium sheet substrate 11, is covered in aluminum plate foundation
Aluminium titanium plate 12 on 11 lower surface of plate is covered in the titanium oxide film 13 of 12 outer surface of aluminium titanium plate, which is hyalomitome,
It is covered in the titanium aluminum oxide oxidation film 14 of 11 upper surface of aluminium sheet substrate, which is also hyalomitome, aluminium titanium plate
12 and titanium oxide film 13 constitute titanium composite panel, titanium composite panel and aluminium sheet substrate 11 are integrated by hot rolling；Aluminium sheet substrate 11
Thickness be greater than titanium composite panel thickness；Titanium aluminum oxide oxidation film 14 can guarantee that the surface of aluminium sheet substrate 11 will not easy quilt
Corrosion, product only need one side corrosion resistance it is strong when so that titanium aluminum composite plate is in the case where minimum with titanium material, just
It is able to satisfy the demand of product, to reduce the cost of titanium aluminum composite plate；Support frame 3 there are two connections below the explosion-proof casing 1,
And support frame 3 includes loop bracket 31 and pedestal 32, wherein 31 top of loop bracket is fixedly connected with explosion-proof casing 1, pedestal 32
Top is fixedly connected with 31 bottom of loop bracket.
1 bottom left of explosion-proof casing is equipped with cooling water inlet 2, and 1 top right side of explosion-proof casing is equipped with cooling water outlet
21, cooling water inlet 2 and cooling water outlet 21 can access city's water；1 right end of explosion-proof casing is connected with separate cavities 4；Separate cavities 4 and anti-
Partition 43 is equipped between blasting shell body 1, partition 43 is equipped with two pieces, and cavity is equipped between partition 43；The separate cavities 4 include two
Chamber, respectively inlet plenum 41 and outlet chamber 42；Equipped under test gas circulation duct 5 inside the explosion-proof casing 1, and to
It surveys on gas flow pipe road 5 and is laid with cooling fin 51；The gas chamber 6 is located at 1 inside of explosion-proof casing and does not connect with explosion-proof casing 1
Touching, while the upper and lower ends of gas chamber 6 are connected with equipped with air inlet pipe 61 and exhaust pipe 62, air inlet pipe 61 passes through under test gas runner pipe
Road 5 is connected to setting with inlet plenum 41, and exhaust pipe 62 is connected to setting with outlet chamber 42 by under test gas circulation duct 5.
Several catalysis sonde-type gas sensors 7 are equipped in the gas chamber 6, catalysis sonde-type gas sensor is to be designed
Variation in the range of to monitor combustable gas concentration in surrounding air in explosion from 0 ~ 100%, which is catalysis
Burning type is made of pairs of probe, and probe can be replaced at the scene, and catalysis probe has miscellaneous imflammable gas quick
Sharp reaction, the technology are generally applicable in imflammable gas, can be used for detection and monitoring to several specific imflammable gas,
Sensor is specially designed gas defence airway dysfunction, can be reliably working 50 to ten years in most industrial environments, which also provides
The explosion-protection equipment of three kinds of different characteristics, detection mode are diffusion and absorption, and air and detection gas are sintered stainless by one
Steel filter screen comes into full contact with detector and balancer, and the surface being heated on detector promotes the oxidation of fuel gas molecule；And
Treated balancer does not support this oxidation process, be it is inert, balancer can keep zero under very wide environmental aspect
The stability of point drift will generate the increment of a temperature and its electricity when fuel gas molecule aoxidizes on the detector
Resistance also changes correspondingly, and the change of resistance value is through Wheatstone bridge precise measurement.
When the utility model at work, cooling water enters explosion-proof casing 1 from the cooling water inlet of bottom left 2, until cold
But water all flow out under test gas circulation duct 5 after submergence from the cooling water outlet 21 of top right side, gas to be tested from into
Gas chamber 41 enters gas chamber 6, and the catalysis sonde-type gas sensor 7 in gas chamber 6 carries out catalysis combustion measurement to gas；Due to urging
Change burning and generate a large amount of heat, cooling water takes away the heat of generation, and whole equipment security performance is high.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (5)
1. catalytic combustion sensor, including explosion-proof casing, separate cavities, gas chamber and catalysis sonde-type gas sensor；Its feature exists
In the explosion-proof casing is made of titanium aluminum composite plate；There are two support frames for connection below the explosion-proof casing, and support frame includes
Loop bracket and pedestal are wherein fixedly connected above loop bracket with explosion-proof casing, and base top is fixed with loop bracket bottom
Connection；The explosion-proof casing bottom left is equipped with cooling water inlet, and explosion-proof casing top right side is equipped with cooling water outlet, explosion-proof shell
Body right end is connected with separate cavities；Partition is equipped between separate cavities and explosion-proof casing, partition is equipped with two pieces, and sky is equipped between partition
Chamber；The separate cavities include two chambers, respectively inlet plenum and outlet chamber；Gas to be measured is equipped with inside the explosion-proof casing
Body circulation duct, and cooling fin is laid under test gas circulation duct；The gas chamber be located inside explosion-proof casing and not with
Explosion-proof casing contact, while the upper and lower ends of gas chamber are connected with air inlet pipe and exhaust pipe, air inlet pipe passes through under test gas runner pipe
Road is connected to setting with inlet plenum, and exhaust pipe is arranged by under test gas circulation duct and outlet chamber；In the gas chamber
Equipped with several catalysis sonde-type gas sensors.
2. catalytic combustion sensor according to claim 1, which is characterized in that the titanium aluminum composite plate includes aluminum plate foundation
Plate, the aluminium titanium plate being covered on aluminium sheet base lower surface, is covered in the titanium oxide film of aluminium titanium plate outer surface, is covered in aluminium sheet substrate
The titanium aluminum oxide oxidation film of upper surface, aluminium titanium plate and titanium oxide film constitute titanium composite panel, and titanium composite panel and aluminium sheet substrate pass through heat
State rolling is integrated.
3. catalytic combustion sensor according to claim 2, which is characterized in that the titanium oxide film is hyalomitome.
4. catalytic combustion sensor according to claim 2, which is characterized in that the titanium aluminum oxide oxidation film is also transparent
Matter.
5. catalytic combustion sensor according to claim 1, which is characterized in that the catalysis sonde-type gas sensor is logical
Conducting wire is crossed to be connected to outside explosion-proof casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821023637.2U CN209117620U (en) | 2018-06-29 | 2018-06-29 | Catalytic combustion sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821023637.2U CN209117620U (en) | 2018-06-29 | 2018-06-29 | Catalytic combustion sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117620U true CN209117620U (en) | 2019-07-16 |
Family
ID=67195880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821023637.2U Expired - Fee Related CN209117620U (en) | 2018-06-29 | 2018-06-29 | Catalytic combustion sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209117620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730535A (en) * | 2020-12-08 | 2021-04-30 | 江苏锐科芯科技有限公司 | Gas detection method based on array gas sensor and gas sensor |
-
2018
- 2018-06-29 CN CN201821023637.2U patent/CN209117620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730535A (en) * | 2020-12-08 | 2021-04-30 | 江苏锐科芯科技有限公司 | Gas detection method based on array gas sensor and gas sensor |
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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: 20190716 Termination date: 20200629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |