CN209132058U - A kind of nitrogen dioxide collecting and detecting device - Google Patents
A kind of nitrogen dioxide collecting and detecting device Download PDFInfo
- Publication number
- CN209132058U CN209132058U CN201821537199.1U CN201821537199U CN209132058U CN 209132058 U CN209132058 U CN 209132058U CN 201821537199 U CN201821537199 U CN 201821537199U CN 209132058 U CN209132058 U CN 209132058U
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- China
- Prior art keywords
- reaction chamber
- nitrogen dioxide
- protected
- piston
- detecting device
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a kind of nitrogen dioxide collecting and detecting device, which is additionally arranged electric heater and reaction chamber volume adjustment mechanism on the basis of existing technology；Electric heater can heat reaction chamber, so that nitrogen dioxide is not readily converted into dinitrogen tetroxide, to improve the detection accuracy of nitrogen dioxide；Reaction chamber volume adjustment mechanism is made of piston and electric cylinder, pass through the extension and contraction control of the push rod of electric cylinder, upper and lower position of the piston in reaction chamber can be changed, to realize the adjusting of reaction chamber volume, after being passed through gas to be detected, by increasing volume, nitrogen dioxide may make to be not readily converted into dinitrogen tetroxide, to improve the detection accuracy of nitrogen dioxide.
Description
Technical field
The utility model belongs to environmental technology field, specifically, being to be related to a kind of nitrogen dioxide collecting and detecting device.
Background technique
For nitrogen dioxide as one of air pollutants, main source is anthropogenic discharge.Disappear with industrial development and per capita
Take raising, the specific gravity of anthropogenic discharge's nitrogen dioxide constantly rises, and atmospheric environment is caused seriously to pollute.Anthropogenic discharge nitrogen dioxide master
It will be from the burning of fossil fuel, comprising: industrial processes, fire coal, vehicle exhaust etc..The detection of nitrogen dioxide gas has more
Kind, one of which be liquid phase chemoluminescence method measurement, used device include be protected from light shell, be protected from light in shell be provided with into
Gas channel, reaction chamber and the induction room above reaction chamber, incude room and reaction chamber is separated by transparency glass plate, incude
Interior is provided with photoelectric sensor, and lead to the reaction chamber for one end of inlet channel, and the other end is by being closely connected with gas in turn to remote
Flowmeter body and air pump, the air inlet of air pump is as gas collecting mouth, and this device existing defects: nitrogen dioxide is in cryogenic high pressure
It under effect, is easy to generate dinitrogen tetroxide, dinitrogen tetroxide is colourless gas or liquid, cannot preferably be examined with nitrogen dioxide
Chemiluminescence reaction occurs for test agent, will affect testing result, temperature regulation structure is fixed and lacked to the volume of reaction chamber, cannot
Make up the generation of such case.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of low-temp low-pressure environment acquisition dioxy
Change the detection device of nitrogen.
The utility model achieves the above object through the following technical schemes:
A kind of nitrogen dioxide collecting and detecting device, including be protected from light shell, described be protected from light in shell are provided with inlet channel, anti-
Chamber and the induction room above the reaction chamber are answered, the induction room is separated with the reaction chamber by transparency glass plate,
The induction interior is provided with photoelectric sensor, and lead to the reaction chamber for one end of the inlet channel, and the other end is by closely to remote
It is connected with gas flowmeter and air pump in turn, the air inlet of the air pump is as gas collecting mouth；
The reaction chamber is the circular cavity arranged vertically, outside be enclosed with electric heater, lower ending opening, inside set
It is equipped with piston moving up and down, the inlet channel is located at the top of the piston, and the upper end of the piston is bonded with reagent
Attraction block；
Described be protected from light below shell is provided with electric cylinder, and the push rod of the electric cylinder straight up, and protrudes into the reaction
The intracavitary lower end with the piston is fixedly connected.
As a kind of technical solution of this patent selection, the shell that is protected from light is equipped with for detecting inside the reaction chamber
The air gauge of air pressure, the barometric port protrude into the reaction chamber.
As a kind of technical solution of this patent selection, the electric heater is the cylinder for being internally provided with several heating wire
Shape structure.
As this patent selection a kind of technical solution, the air pump, the gas flowmeter, it is described be protected from light shell and
The electric cylinder is fixedly installed on same bracket.
Compared with prior art, the utility model has the following beneficial effects:
The device is additionally arranged electric heater and reaction chamber volume adjustment mechanism on the basis of existing technology；Electric heater
Reaction chamber can be heated, so that nitrogen dioxide is not readily converted into dinitrogen tetroxide, to improve the detection of nitrogen dioxide
Precision；Reaction chamber volume adjustment mechanism is made of piston and electric cylinder, by the extension and contraction control of the push rod of electric cylinder, can be changed
Upper and lower position of the piston in reaction chamber after being passed through gas to be detected, passes through increase to realize the adjusting of reaction chamber volume
Volume may make nitrogen dioxide to be not readily converted into dinitrogen tetroxide, to improve the detection accuracy of nitrogen dioxide.
Detailed description of the invention
Fig. 1 is the broken section structural schematic diagram of nitrogen dioxide collecting and detecting device described in the utility model；
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1- is protected from light shell, 2- reaction chamber, 3- photoelectric sensor, 4- transparency glass plate, 5- inlet channel, 6- piston, 7- examination
Agent Attraction block, 8- air gauge, 9- electric heater, 10- electric cylinder, 11- gas flowmeter, 12- air pump, 13- bracket.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in connection with fig. 1, the utility model includes being protected from light shell 1, is protected from light in shell 1 and is provided with inlet channel 5, reaction chamber
2 and the induction room above reaction chamber 2, induction room and reaction chamber 2 are separated by transparency glass plate 4, induction interior setting
There is photoelectric sensor 3, lead to reaction chamber 2 for one end of inlet channel 5, and the other end is by being closely connected with gas flowmeter 11 in turn to remote
With air pump 12, the air inlet of air pump 12 is as gas collecting mouth；
Reaction chamber 2 is the circular cavity arranged vertically, outside be enclosed with electric heater 9, lower ending opening, internal setting
There is piston 6 moving up and down, inlet channel 5 is located at the top of piston 6, and the upper end of piston 6 is bonded with reagent Attraction block 7；
Be protected from light below shell 1 and be provided with electric cylinder 10, the push rod of electric cylinder 10 straight up, and protrude into reaction chamber 2 with
The lower end of piston 6 is fixedly connected.
As a kind of technical solution of this patent selection, it is protected from light shell 1 and is equipped with for detecting 2 air pressure inside of reaction chamber
Air gauge 8, the port of air gauge 8 protrude into reaction chamber 2, and the gas shape in reaction chamber 2 can be precisely judged by air gauge 8
State, can set the air pressure threshold value of a reaction chamber 2, to be more convenient for being precisely controlled electric cylinder 10.
As a kind of technical solution of this patent selection, electric heater 9 is the cylindrical shape for being internally provided with several heating wire
Structure.
As a kind of technical solution of this patent selection, air pump 12, is protected from light shell 1 and electric cylinder at gas flowmeter 11
10 are fixedly installed on same bracket 13.
The working principle of the utility model is as follows:
Like the prior art, the signal end of photoelectric sensor 3 is connect with external data processing module, data processing
Module can be computer；
It needs that Nitrogen dioxide testing reagent, load of the reagent Attraction block 7 as reaction reagent are added dropwise on reagent Attraction block 7
Body can have a variety of structures selection, as long as having good adsorptivity and chemical stability；
The dropwise addition method of Nitrogen dioxide testing reagent is that the push rod retraction of control electric cylinder 10, piston 6 is with its push rod
It is extracted out of reaction chamber 2, is then added dropwise to Nitrogen dioxide testing reagent on the reagent Attraction block 7 on piston 6, it is reversed again later
Operation, reagent Attraction block 7 is sent to reaction chamber 2；
Air pump 12 starts, so that gas to be detected enters in reaction chamber 2 through inlet channel 5, is examined by gas flowmeter 11
Survey the flow of sucked gas；
Nitrogen dioxide is easy to be converted to dinitrogen tetroxide in the case where cryogenic high pressure, and dinitrogen tetroxide is colourless gas
Body or liquid, and stability is preferable, will lead to and is not easy to react with Nitrogen dioxide testing reagent, it at this time can be right by electric heater 9
Carry out heat temperature raising in reaction chamber 2, passes through the push rod for the electric cylinder 10 that suitably bounces back, it is possible to increase the volume of reaction chamber 2 realizes drop
Pressure ensure that nitrogen dioxide is not converted to dinitrogen tetroxide to the greatest extent；
In reaction chamber 2, chemiluminescence reaction occurs for nitrogen dioxide and Nitrogen dioxide testing reagent, and photoelectric sensor 3 connects
It receives chemiluminescence signal and is converted to electric signal, and be transferred to data processing module and recorded, analyzed.
According to above embodiment, the utility model can be realized well.It is worth noting that being set based on above structure
Under the premise of meter, to solve same technical problem, even if made on the utility model it is some without substantive change or
Polishing, the essence of used technical solution is still as the utility model, therefore it should also be as the protection in the utility model
In range.
Claims (4)
1. a kind of nitrogen dioxide collecting and detecting device, including it is protected from light shell, described be protected from light in shell is provided with inlet channel, reaction
Chamber and the induction room above the reaction chamber, the induction room are separated with the reaction chamber by transparency glass plate, institute
State induction interior be provided with photoelectric sensor, lead to the reaction chamber for one end of the inlet channel, the other end by closely to far according to
Secondary to be connected with gas flowmeter and air pump, the air inlet of the air pump is as gas collecting mouth, it is characterised in that:
The reaction chamber is the circular cavity arranged vertically, outside be enclosed with electric heater, lower ending opening is internally provided with
Piston moving up and down, the inlet channel are located at the top of the piston, and the upper end of the piston is bonded with reagent absorption
Block；
Described be protected from light below shell is provided with electric cylinder, and the push rod of the electric cylinder straight up, and protrudes into the reaction chamber
It is fixedly connected with the lower end of the piston.
2. nitrogen dioxide collecting and detecting device according to claim 1, it is characterised in that: it is described be protected from light shell installation it is useful
In the air gauge for detecting the reaction chamber air pressure inside, the barometric port is protruded into the reaction chamber.
3. nitrogen dioxide collecting and detecting device according to claim 1, it is characterised in that: the electric heater sets for inside
It is equipped with the columnar structured of several heating wire.
4. nitrogen dioxide collecting and detecting device according to claim 1, it is characterised in that: the air pump, the gas stream
Meter described is protected from light shell and the electric cylinder is fixedly installed on same bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537199.1U CN209132058U (en) | 2018-09-19 | 2018-09-19 | A kind of nitrogen dioxide collecting and detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537199.1U CN209132058U (en) | 2018-09-19 | 2018-09-19 | A kind of nitrogen dioxide collecting and detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132058U true CN209132058U (en) | 2019-07-19 |
Family
ID=67230257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821537199.1U Expired - Fee Related CN209132058U (en) | 2018-09-19 | 2018-09-19 | A kind of nitrogen dioxide collecting and detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118141425A (en) * | 2023-11-22 | 2024-06-07 | 深圳市福瑞康科技有限公司 | Detection device for helicobacter pylori and acquisition equipment thereof |
-
2018
- 2018-09-19 CN CN201821537199.1U patent/CN209132058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118141425A (en) * | 2023-11-22 | 2024-06-07 | 深圳市福瑞康科技有限公司 | Detection device for helicobacter pylori and acquisition equipment thereof |
| CN118141425B (en) * | 2023-11-22 | 2024-09-13 | 深圳市福瑞康科技有限公司 | Detection device for helicobacter pylori and acquisition equipment thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20210919 |