CN109061062A - A kind of sulphur dioxide measuring device and measuring method - Google Patents
A kind of sulphur dioxide measuring device and measuring method Download PDFInfo
- Publication number
- CN109061062A CN109061062A CN201810877964.2A CN201810877964A CN109061062A CN 109061062 A CN109061062 A CN 109061062A CN 201810877964 A CN201810877964 A CN 201810877964A CN 109061062 A CN109061062 A CN 109061062A
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- Prior art keywords
- module
- shell
- measuring device
- sensor
- display
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Classifications
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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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0042—Specially adapted to detect a particular component for SO2, SO3
-
- 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
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
Abstract
The invention discloses a kind of sulphur dioxide measuring devices, including shell, SO 2 sensor, circuit board and display, the SO 2 sensor and circuit board are arranged in shell, the shell is made of positive shell and backpanel housing, the positive shell is fixedly connected with backpanel housing by screw, the display is arranged on the positive shell, on & off switch is provided on the positive shell simultaneously, plus key and subtract key, the circuit board includes microprocessor, sound and light alarm module, setup module, memory and power module, the SO 2 sensor, sound and light alarm module, setup module, memory, power module and display are connected with microprocessor, the sound and light alarm module block is also connected with setup module and SO 2 sensor respectively, the display also respectively with setup module, SO 2 sensor and power supply mould Block is connected, and measurement accuracy of the present invention is high, and measurement result is more accurate.
Description
Technical field
The present invention relates to gas detection technology fields, more particularly to a kind of sulphur dioxide measuring device and measuring method.
Background technique
Working environment is severe under mine, and there are a large amount of sulfur dioxide, not only influences the health of worker, but also easily to work
It is impacted as equipment, and safety accident can be caused, thus effectively detected sulfur dioxide and temperature and they are controlled, be
It is very necessary.The working principle of traditional sulfur dioxide detector is to carry out eudiometry, Wu Fa using black and white catalysis element
Long-term work under high temperature, high humidity, environment dusty, is influenced by wind speed and pressure under mine, and environmental suitability is poor, is easily poisoned
There is the defects of measurement range is narrow, null offset is big.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of sulphur dioxide measuring device
And measuring method.
In order to solve the above technical problems, technical scheme is as follows:
A kind of sulphur dioxide measuring device, including shell, SO 2 sensor, circuit board and display, the sulfur dioxide pass
Sensor and circuit board are arranged in shell, and the shell is made of positive shell and backpanel housing, and the positive shell and backpanel housing pass through
Screw is fixedly connected, and the display setting is provided on & off switch, plus key on the positive shell, while on the positive shell
With subtract key, the circuit board includes microprocessor, sound and light alarm module, setup module, memory and power module, the dioxy
Change sulfer sensor, sound and light alarm module, setup module, memory, power module and display to be connected with microprocessor, it is described
Sound and light alarm module block is also connected with setup module and SO 2 sensor respectively, the display also respectively with setting mould
Block, SO 2 sensor are connected with power module.
The present invention further limits technical solution:
Sound and light alarm module above-mentioned is also connect with the loudspeaker and alarm lamp being arranged in shell.
Power module above-mentioned includes charge control module, power supply and power conversion module, and power supply is a section 1.5Ah manganese
Sour lithium storage battery, and 2 grades of battery protecting plates of string, are integrated with epoxy resin encapsulation and are arranged in the intracorporal battery case of shell, described
Charging control circuit is connect with power supply and power-switching circuit.
It is above-mentioned that the charge port being connected with the power supply is provided on shell.
Above-mentioned further includes clock module, and the clock module is connected with microprocessor and display respectively.
The material of shell above-mentioned is ABS material, and is coated with one layer of insulating protective layer on its surface.
Display above-mentioned is group of four figures tube display.
It is above-mentioned that observation storehouse is provided on positive shell, buckle is provided in backpanel housing.
The present invention provides a kind of measuring method of sulfur dioxide, comprising the following steps:
S1: mark zero: sulphur dioxide measuring device being switched on, is placed it in the environment that sulfur dioxide concentration is zero, after stablizing, simultaneously
It presses plus key and subtracts key, continue 2s, pop up adjustment menu, so that numeral method device is shown P1 character, then press on & off switch, make two
Current state is designated as zero point automatically by oxidation sulfur determination apparatus, exits menu, returns to detecting state；
S2: calibration: standard sulfur dioxide gas is passed through toward instrument by gas nozzle with the flow of 300mL/min, to numeral method
It after the stable reading of device, while pressing plus key and subtracting key, continue 2s, pop up adjustment menu, 1 character of numeral method P, by one
Lower plus key shows 2 character of P, confirms by & off switch, the precision calibration of sulphur dioxide measuring device is finished, detecting state is returned to；
S3: alarm point is adjusted: while pressing plus key and subtracting key, continue 2s, pop up adjustment menu, numeral method device is made to show P1 word
Symbol, it is continuous at this time so that numeral method group is shown P3 character by plus key twice, then press on & off switch confirmation, numeral method
Device shows the alarming value of current sulfur dioxide, then according to actually required alarming value, presses plus key or subtracts key adjustment alarming value,
Then on & off switch confirmation is pressed, detecting state is returned to；
S4: detection: sulphur dioxide measuring device is moved in the environment for needing to measure sulfur dioxide, standing 20-30s, in air
Sulfur dioxide gas corresponding electric signal is converted by SO 2 sensor, electric signal is by amplification filtering, through micro-control
After device processing processed, the numerical value of contained sulfur dioxide concentration in corresponding air is shown in the display by digital form, and
And reservoir numerical value storage, if the sulfur dioxide concentration through SO 2 sensor detection is more than the concentration value of setting, alert electricity mould
Block issues alarm signal, and loudspeaker sounds, and alarm lamp lights, to show that concentration transfinites,.
The beneficial effects of the present invention are:
The present invention first can carry out mark zero to analyzer when in use, and the standard sulfur dioxide gas of then passing to is demarcated, and make to examine
The precision of survey is higher, and testing result is more accurate；Alarming value can also be set, sulphur dioxide measuring device can be according to detection
Environment is adjusted alarming value, keeps the use scope of sulphur dioxide measuring device wider；
(1) present invention shows the content of sulfur dioxide in air in the display in digital form, keeps operator real-time
Recognize the content of sulfur dioxide in environment, avoid in environment content of sulfur dioxide excessively high and the personal safety of operator is made
At influence, and show group of four figures tube display, resolution ratio should be 1 × 10-6 SO2 can indicate the positive or negative of show value；
(2) sound and light alarm module in the present invention, can be when sulfur dioxide be more than preset value, and warning device is alarmed,
Operator is reminded, and sound and light alarm module also loudspeaker is connected with alarm lamp, can generate sound and light alarm signal simultaneously,
Loudspeaker sound level intensities are not less than 75 dB(A), visibility of the red light signal of alarm lamp at dark should be not less than
20m is remote, and alarm signal is made to be easier to be noticeable；
(3) power module includes charge control module, power supply and power conversion module in the present invention, and power supply is a section 1.5Ah
Mangaic acid lithium storage battery, and 2 grades of battery protecting plates of string, are integrated with epoxy resin encapsulation and are arranged in the intracorporal battery case of shell, filled
Electric control circuit is connect with power supply and power-switching circuit, and the charge port being controlled to a power supply is provided on shell, is had
Overcharge voltage protection, overdischarge voltage protection and short-circuit protection function, extend battery, and charge every time
Normal working hours should be no less than 10h afterwards.Extend service time of battery；
(4) present invention in further include clock module, make sulphur dioxide measuring device can the current date and time of real-time display, be convenient for
Operator understands；In addition, can also set to date and time, the larger phenomenon of Time of Day deviation is avoided the occurrence of；?
It is provided with portable buckle in backpanel housing, is carried convenient for operator, observation storehouse is provided on positive shell, convenient for observing,
The material of shell is ABS material, and is coated with one layer of insulating protective layer on its surface, and sturdy and durable and energy is dust-proof, moisture-proof, anti-
Interference.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the sectional view of A-A in Fig. 1；
Fig. 4 is for principle schematic diagram of the invention.
Specific embodiment
Embodiment 1
A kind of sulphur dioxide measuring device is present embodiments provided, picture 1-4, including shell, 1, SO 2 sensor 2, circuit
Plate 3 and display 4, SO 2 sensor 2 and circuit board 3 are arranged in shell 1, and the material of shell is ABS material, and
Its surface is coated with one layer of insulating protective layer, and observation storehouse 20 is provided in shell, and shell is made of positive shell 1a and backpanel housing 1b,
The positive shell 1a is fixedly connected with backpanel housing 1b by screw, and display (4) is arranged on positive shell, and display is four figures
Code tube display, resolution ratio should be 1 × 10-6 SO2, while being provided on & off switch 5, plus key 6 on positive shell and subtracting key 7,
Buckle 21 is provided in backpanel housing, circuit board 3 includes microprocessor 8, sound and light alarm module 9, setup module 10, clock module
19, memory 11 and power module 12, SO 2 sensor 2, sound and light alarm module 9, setup module 10, clock module 19,
Memory 11, power module 12 and display 4 are connected with microprocessor 8, sound and light alarm module 9 also respectively with setup module 10
Be connected with SO 2 sensor 2, at the same sound and light alarm module 9 also with the loudspeaker 13 and alarm lamp 14 that are arranged in shell
Connection, display 4 are also connected with setup module 10, clock module 19, SO 2 sensor 2 and power module 12 respectively, electricity
Source module includes charge control module 15, power supply 16 and power conversion module 17, and power supply is a section 1.5Ah LiMn2O4 electric power storage
Pond, and 2 grades of battery protecting plates of string, are integrated with epoxy resin encapsulation and are arranged in the intracorporal battery case of shell, charging control circuit
It is connect with power supply and power-switching circuit, and is provided with the charge port 18 being controlled to a power supply on shell.
The present embodiment also provides a kind of measuring method of sulfur dioxide, comprising the following steps:
S1: mark zero: sulphur dioxide measuring device being switched on, is placed it in the environment that sulfur dioxide concentration is zero, after stablizing, simultaneously
It presses plus key and subtracts key, continue 2s, pop up adjustment menu, so that numeral method device is shown P1 character, then press on & off switch, make two
Current state is designated as zero point automatically by oxidation sulfur determination apparatus, exits menu, returns to detecting state；
S2: calibration: standard sulfur dioxide gas is passed through toward instrument by gas nozzle with the flow of 300mL/min, to numeral method
It after the stable reading of device, while pressing plus key and subtracting key, continue 2s, pop up adjustment menu, 1 character of numeral method P, by one
Lower plus key shows 2 character of P, confirms by & off switch, the precision calibration of sulphur dioxide measuring device is finished, detecting state is returned to；
S3: alarm point is adjusted: while pressing plus key and subtracting key, continue 2s, pop up adjustment menu, numeral method device is made to show P1 word
Symbol, it is continuous at this time so that numeral method group is shown P3 character by plus key twice, then press on & off switch confirmation, numeral method
Device shows the alarming value of current sulfur dioxide, then according to actually required alarming value, presses plus key or subtracts key adjustment alarming value,
Then on & off switch confirmation is pressed, detecting state is returned to；
S4: detection: sulphur dioxide measuring device is moved in the environment for needing to measure sulfur dioxide, standing 20-30s, in air
Sulfur dioxide gas corresponding electric signal is converted by SO 2 sensor, electric signal is by amplification filtering, through micro-control
After device processing processed, the numerical value of contained sulfur dioxide concentration in corresponding air is shown in the display by digital form, and
And reservoir numerical value storage, if the sulfur dioxide concentration through SO 2 sensor detection is more than the concentration value of setting, alert electricity mould
Block issues alarm signal, and loudspeaker sounds, and alarm lamp lights, to show that concentration transfinites.
In addition to the implementation, the present invention can also have other embodiments；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (9)
1. a kind of sulphur dioxide measuring device, including shell (1), SO 2 sensor (2), circuit board (3) and display (4),
The SO 2 sensor (2) and circuit board (3) setting are in shell (1), it is characterised in that: the shell is by positive shell
(1a) and backpanel housing (1b) composition, the positive shell (1a) are fixedly connected with backpanel housing (1b) by screw, the display (4)
It is arranged on the positive shell, while is provided on the positive shell on & off switch (5), plus key (6) and subtracting key (7), the electricity
Road plate (3) includes microprocessor (8), sound and light alarm module (9), setup module (10), memory (11) and power module (12),
The SO 2 sensor (2), sound and light alarm module (9), setup module (10), memory (11), power module (12) and
Display (4) is connected with microprocessor (8), the sound and light alarm module (9) also respectively with setup module (10) and titanium dioxide
Sulfer sensor (2) be connected, the display (4) also respectively with setup module (10), SO 2 sensor (2) and power module
(12) it is connected.
2. sulphur dioxide measuring device according to claim 1, it is characterised in that: the sound and light alarm module (9) is gone back and shell
The loudspeaker (13) being arranged in vivo connects (14) with alarm lamp.
3. sulphur dioxide measuring device according to claim 1, it is characterised in that: the power module includes charge control mould
Block (15), power supply (16) and power conversion module (17), the power supply be a section 1.5Ah mangaic acid lithium storage battery, and go here and there 2 grades of electricity
Pond protection board is integrated with epoxy resin encapsulation and is arranged in the intracorporal battery case of shell, the charging control circuit and power supply with
And power-switching circuit connection.
4. sulphur dioxide measuring device according to claim 3, it is characterised in that: be provided on the housing and the electricity
The charge port (18) that source is connected.
5. sulphur dioxide measuring device according to claim 1, it is characterised in that: further include clock module (19), when described
Clock module is connected with microprocessor (8) and display (4) respectively.
6. a kind of sulphur dioxide measuring device according to claim 1, it is characterised in that: the material of the shell is ABS material
Material, and one layer of insulating protective layer is coated on its surface.
7. sulphur dioxide measuring device according to claim 1, it is characterised in that: the display is that group of four figures pipe is shown
Device, resolution ratio should be 1 × 10-6 SO2。
8. sulphur dioxide measuring device according to claim 1, it is characterised in that: be provided with observation storehouse on the positive shell
(20), buckle (21) are provided in the backpanel housing.
9. a kind of measuring method of sulfur dioxide a method as claimed in any one of claims 1-8, it is characterised in that: the following steps are included:
S1: mark zero: sulphur dioxide measuring device being switched on, is placed it in the environment that sulfur dioxide concentration is zero, after stablizing, simultaneously
It presses plus key and subtracts key, continue 2s, pop up adjustment menu, so that numeral method device is shown P1 character, then press on & off switch, make two
Current state is designated as zero point automatically by oxidation sulfur determination apparatus, exits menu, returns to detecting state；
S2: calibration: standard sulfur dioxide gas is passed through toward instrument by gas nozzle with the flow of 300mL/min, to numeral method
It after the stable reading of device, while pressing plus key and subtracting key, continue 2s, pop up adjustment menu, 1 character of numeral method P, by one
Lower plus key shows 2 character of P, confirms by & off switch, the precision calibration of sulphur dioxide measuring device is finished, detecting state is returned to；
S3: alarm point is adjusted: while pressing plus key and subtracting key, continue 2s, pop up adjustment menu, numeral method device is made to show P1 word
Symbol, it is continuous at this time so that numeral method group is shown P3 character by plus key twice, then press on & off switch confirmation, numeral method
Device shows the alarming value of current sulfur dioxide, then according to actually required alarming value, presses plus key or subtracts key adjustment alarming value,
Then on & off switch confirmation is pressed, detecting state is returned to；
S4: detection: sulphur dioxide measuring device is moved in the environment for needing to measure sulfur dioxide, standing 20-30s, in air
Sulfur dioxide gas corresponding electric signal is converted by SO 2 sensor, electric signal is by amplification filtering, through micro-control
After device processing processed, the numerical value of contained sulfur dioxide concentration in corresponding air is shown in the display by digital form, and
And reservoir numerical value storage, if the sulfur dioxide concentration through SO 2 sensor detection is more than the concentration value of setting, alert electricity mould
Block issues alarm signal, and loudspeaker sounds, and alarm lamp lights, to show that concentration transfinites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877964.2A CN109061062A (en) | 2018-08-03 | 2018-08-03 | A kind of sulphur dioxide measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877964.2A CN109061062A (en) | 2018-08-03 | 2018-08-03 | A kind of sulphur dioxide measuring device and measuring method |
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| Publication Number | Publication Date |
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| CN109061062A true CN109061062A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810877964.2A Pending CN109061062A (en) | 2018-08-03 | 2018-08-03 | A kind of sulphur dioxide measuring device and measuring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984746A (en) * | 2021-10-21 | 2022-01-28 | 河南省奥瑞环保科技股份有限公司 | Method for preparing sulfur dioxide rapid gas detection tube by mixed carrier |
| CN114236036A (en) * | 2021-11-25 | 2022-03-25 | 北京首钢股份有限公司 | System and method for detecting sulfur content in industrial gas |
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| CN1373360A (en) * | 2002-04-10 | 2002-10-09 | 陈利平 | Portable combined intelligent gas detecting and alarming instrument and its detecting method |
| US20130192332A1 (en) * | 2011-10-14 | 2013-08-01 | Towner B. Scheffler | Sensor interrogation |
| CN202693554U (en) * | 2012-07-05 | 2013-01-23 | 北京汽车股份有限公司 | Equipment for detecting air quality in vehicle and vehicle |
| CN105606666A (en) * | 2015-09-08 | 2016-05-25 | 海南电力技术研究院 | Gas sensor based portable switch cabinet partial discharge detection device and method |
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| CN113984746A (en) * | 2021-10-21 | 2022-01-28 | 河南省奥瑞环保科技股份有限公司 | Method for preparing sulfur dioxide rapid gas detection tube by mixed carrier |
| CN114236036A (en) * | 2021-11-25 | 2022-03-25 | 北京首钢股份有限公司 | System and method for detecting sulfur content in industrial gas |
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Application publication date: 20181221 |
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