CN108267551A - Free-standing imflammable gas detection device - Google Patents
Free-standing imflammable gas detection device Download PDFInfo
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- CN108267551A CN108267551A CN201810098312.9A CN201810098312A CN108267551A CN 108267551 A CN108267551 A CN 108267551A CN 201810098312 A CN201810098312 A CN 201810098312A CN 108267551 A CN108267551 A CN 108267551A
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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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0022—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The invention discloses a kind of free-standing imflammable gas detection device, including：Plenum chamber, side are equipped with air inlet, and the air inlet, which is located at outside the plenum chamber, is communicated with screen pipe；Connected unit is installed with pipeline in the connected unit；Housing, the case top are equipped with top plate, the symmetrical fixed lever in the top plate both sides；Analytical equipment, the first sensing chamber, the second sensing chamber and third sensing chamber including being fixedly arranged on the top plate straight down, first sensing chamber, the second sensing chamber, third sensing chamber top are installed with sensor；Purifying box, fixed multiple steel plates of spaced horizontal up and down in the purifying box are filled with gas purification material between the steel plate；Circulator, gas cabinet, downtake pipe and second exhaust pipe including being fixedly arranged on the housing sidewall.The present invention has simple in structure, detection data accuracy height, while carries out the residual gas in device for driving away using purified gas, realizes the protective effect to sensor.
Description
Technical field
The present invention relates to gas detection technology fields.It is more particularly related to a kind of stand alone type imflammable gas
Detection device.
Background technology
With the degradation of air quality and the frequent generation of poisonous gas incident of leakage, for gas composition with
And Concentration Testing and analysis are paid attention to by more and more people, nowadays generally use gas-detecting device is detected in a certain space
There are the ingredient and concentration of pernicious gas, common gas-detecting device generally includes ingredient for sensing gas and content
Sensor and the display for showing testing result.The sensitivity of sensor is higher, but its sensitivity is by external environment
It influences bigger.
Traditional gas-detecting device, mostly single gas detecting instrument, detection gas type is single, and few gases are examined
Survey device be related to handling the residual gas after detection being detained in the device, residual gas this can not only influence sensor
Sensitivity, reduce the accuracy of next testing result, and if detection gas gas, staff can be caused centainly
Injury.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of portable gas detection devices, have simple in structure, accuracy height,
The residual gas in device for driving away is carried out using purified gas simultaneously, realizes the protective effect to sensor.
In order to realize these purposes and other advantages according to the present invention, a kind of free-standing imflammable gas detection is provided
Device, which is characterized in that including：
Plenum chamber, top are equipped with gas outlet, and side is equipped with air inlet, and the air inlet, which is located in the plenum chamber, to be connected
There is minipump, the air inlet, which is located at outside the plenum chamber, is communicated with screen pipe, and the screen pipe madial wall is circumferential along it
Length direction is equipped with the first filter layer, the second filter layer and third filter layer at equal intervals, and the material of first filter layer is
Nylon, the material of second filter layer is glass fibre, and the material of the third filter layer is metal-rubber, and its surface is equal
Equipped with high-temperature-resistant layer；
Connected unit, bottom is into openning shape, and its bottom is circumferentially fixedly arranged at the top of the plenum chamber, solid in the connected unit
Equipped with pipeline, described pipeline one end is connected with the gas outlet, and the other end includes connected unit top described in hermetically passing vertically upward
First branch pipe, the second branch pipe and the third branch pipe in portion are equipped on first branch pipe, the second branch pipe and third branch pipe
Valve；
Housing, bottom is into openning shape, and its bottom circumferential direction ring is fixed in the connection countertop, the housing sidewall upper end
It is arranged with a pair of of sliding slot straight down, the hull outside wall is located at the sliding slot and is arranged right below retaining ring, the retaining ring
One end is fixed in the hull outside wall, wherein, the case top is equipped with top plate, the symmetrical fixed lever in the top plate both sides,
To support the top plate, when the lever is located at the sliding slot bottom end, the lever, the top plate and institute are fixed with retaining ring
It states housing to be fixedly connected, when the lever removes the sliding slot, the lever is in discrete state with the housing；
Analytical equipment, the first sensing chamber, the second sensing chamber and third including being fixedly arranged on the top plate straight down
Sensing chamber, first sensing chamber, the second sensing chamber, third sensing chamber top are installed with sensor, and the sensor includes
Positioned at the temperature sensor and humidity sensor of first sensing chamber, ammonia gas sensor, the methane of second sensing chamber pass
Sensor and carbon monoxide transducer, the hydrogen sulfide sensor and chlorine sensor of the third sensing chamber；
Purifying box is fixedly arranged at the top of the top plate, and the top of the purifying box is equipped with gas vent, the purifying box side
Equipped with exhaust outlet, the purifying box bottom is set there are three snorkel, and three snorkel other ends are respectively communicated with first detection
Room, the second sensing chamber, third sensing chamber, are equipped with valve on the snorkel, and spaced horizontal is fixed up and down in the purifying box
Multiple steel plates, the cavity between two steel plates of arbitrary neighborhood is filled with activated carbon fiber, the steel plate and the purifying box bottom
Between cavity filled with activated carbon fiber and discoloration silica gel, at the top of the steel plate and the purifying box between cavity be filled with
Activated carbon fiber, sodium hydroxide and calcium oxide, wherein, one end of the steel plate is equipped with through-hole, to form S in purify cavity
Type ventilation path；
Circulator, the gas cabinet including being fixedly arranged on the housing sidewall, the gas cabinet top are communicated with first row
Tracheae, the downtake pipe other end are connected with the exhaust outlet, and the gas cabinet bottom connection is equipped with second exhaust pipe, institute
It states the second exhaust pipe other end to connect with the plenum chamber, slide plate, the slide plate is vertically equipped with inside the gas cabinet
It is slidably connected with gas box inner wall sealing, the slide plate center is vertically equipped with pull rod, and the pull rod other end is close
Envelope slides through the gas cabinet side wall, wherein, valve is equipped at the downtake pipe, second exhaust pipe, when purified
Gas is entered by downtake pipe in gas cabinet, and slide plate is directed away from the housing direction and slides, after detection, described in opening
Valve and the gas vent at second exhaust pipe, towards the gas in the housing direction sliding tie rod, the gas cabinet
First sensing chamber, the second sensing chamber and third sensing chamber are entered by plenum chamber, drive the gas being detained in described device
Body；
Wherein, the valve is set as one-way cock.
Preferably, it further includes：Signal processor, respectively with temperature sensor, humidity sensor, ammonia gas sensor,
Methane transducer, carbon monoxide transducer, hydrogen sulfide sensor and chlorine sensor electrical connection, receive temperature sensing respectively
Device, humidity sensor, ammonia gas sensor, methane transducer, carbon monoxide transducer, hydrogen sulfide sensor and chlorine sensor
Analog signal and be converted into voltage signal；
Analog-digital converter is electrically connected with signal processor, with receiving voltage signal and is changed into digital signal；
Controller is electrically connected with the analog-digital converter, and alarm threshold value is prestored in it, and the controller is electrically connected
Audible-visual annunciator, wireless transport module are connected to, the wireless transport module communicates with mobile phone terminal and remote internet alarm system
Connection, the controller receives digital signal, and is compared with pre-stored alarm threshold value, when the digital signal exceeds
During alarm threshold value range, controller driving audible-visual annunciator alarm, meanwhile, controller is by wireless transport module to mobile phone terminal
Alarm is carried out with remote internet alarm system；
Wherein, temperature sensor, humidity sensor, ammonia gas sensor, methane transducer, carbon monoxide transducer, vulcanization
Hydrogen sensor and chlorine sensor respectively correspond to an alarm threshold value.
Preferably, the plenum chamber outer layer is plastic layer, and internal layer is made of corrosion resistant polytetrafluoroethylene material.
Preferably, it is equipped with resistance to compression layer on the inside of the gas cabinet.
Preferably, at the top of the steel plate and the purifying box between cavity filled with activated carbon fiber, sodium hydroxide,
And calcium oxide, the mass ratio of three kinds of substances is 10:3:3.
Preferably, the cavity between the steel plate and the purifying box bottom is filled with activated carbon fiber and discoloration silicon
The mass ratio of glue, activated carbon fiber and discoloration silica gel is 3:1.
Preferably, controller, display are further included.
The present invention includes at least following advantageous effect：
Firstth, setting steel plate, S type ventilation paths in purifying box increase gas and activated carbon fiber, discoloration silica gel, hydrogen-oxygen
Change the contact area of sodium, calcium oxide, discoloration silica gel is put in bottom, sodium hydroxide and calcium oxide are put in top layer, on the one hand change colour
Silica gel first absorbs moisture, avoids the sodium hydroxide of top layer and calcium oxide caking, influences clean-up effect, on the other hand change colour
Silica gel is prevented from caking, and can recycle, and is placed on bottom and does not have to often replace, and calcium oxide and sodium hydroxide cannot repeat
It uses, is placed on that top layer is convenient to be replaced at any time, meanwhile, calcium oxide and sodium hydroxide, which are put in top layer, can realize further place to gas
Reason, avoiding cannot be by activated carbon fiber and the gaseous contamination environment of discoloration silica gel absorption.
Secondth, by designing gas cabinet, purified gas is made to enter gas cabinet, after detection, gas is by gas cabinet
Into plenum chamber, the residual gas being trapped in plenum chamber is driven, residual gas is made to enter purifying box, is arranged after purification by gas vent
Go out outside device, on the one hand this design reduces damage of the residual gas to device, on the other hand can also reduce residual gas
Influence to detection next time improves the accuracy of detection, meanwhile, this design reduces residual gas to the wound of staff
Evil.
Valve at third, the downtake pipe is set as one-way cock, can be to avoid due to gas in detection process
The phenomenon that increase of pressure in case, purified gas returns to sensing chamber by gas cabinet, so as to influence testing result, on the other hand
An atmospheric pressure environment is provided for sensing chamber, improves the accuracy of detection, meanwhile, the valve at three snorkels is also set as check valve
Door can enter other sensing chamber to avoid gas in detection process, and influence the sensitivity of its sensor.
4th, in the housing, when lever skids off sliding slot, housing is in discrete state with top plate, meanwhile, the first sensing chamber,
Second sensing chamber, third sensing chamber and connected unit are also at discrete state, are fixed with retaining ring when lever slides into sliding slot bottom, push up
Plate is fixed with housing, is connect at the top of first sensing chamber, the second sensing chamber, third sensing chamber and the connected unit, is passed through this
Kind design, which can be realized, is cleaned and is replaced to sensor at any time, improves the accuracy of detection；Sensing chamber is divided into the first inspection
Room, the second sensing chamber, third sensing chamber are surveyed, avoids the damage to other sensors when detecting a kind of gas, while separately inspection
It surveys, accuracy higher.
5th, by setting warning device and wireless output module, when the concentration, temperature and humidity of under test gas reach
During to threshold value, device sends out alarm, everybody is reminded to take measures, this set can be effectively prevented from fire, explosion, asphyxia,
The generation of the serious accidents such as death.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the information flow chart of the present invention；
Fig. 2 is the structure diagram of free-standing imflammable gas detection device of the present invention；
Fig. 3 is the structure diagram of top plate of the present invention；
Fig. 4 is the structure diagram of housing of the present invention.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to enable those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other element or combinations.
As shown in Figs 1-4, a kind of free-standing imflammable gas detection device, including：
Plenum chamber 30, top are equipped with gas outlet, and side is equipped with air inlet, and the air inlet is located in the plenum chamber 30
Minipump is communicated with, the air inlet, which is located at outside the plenum chamber 30, is communicated with screen pipe 1,1 madial wall of screen pipe
It is circumferential to be equipped with the first filter layer, the second filter layer and third filter layer, first filter layer at equal intervals along its length
Material for nylon, the material of second filter layer is glass fibre, and the material of the third filter layer is metal-rubber, and
Its surface is equipped with high-temperature-resistant layer；
Connected unit 2, bottom is into openning shape, and its bottom is circumferentially fixedly arranged on 30 top of plenum chamber, the connected unit 2
Pipeline is inside installed with, described pipeline one end is connected with the gas outlet, and the other end includes connection described in hermetically passing vertically upward
First branch pipe, the second branch pipe and the third branch pipe at the top of platform 2, on first branch pipe, the second branch pipe and third branch pipe
It is equipped with valve；
Housing 4, bottom is into openning shape, and its bottom circumferential direction ring is fixed in 2 top surface of connected unit, 4 side wall of housing
Upper end is arranged with a pair of of sliding slot 22 straight down, and 4 lateral wall of housing is located at the sliding slot 22 and is arranged right below retaining ring 23,
One end of the retaining ring 23 is fixed in 4 lateral wall of housing, wherein, 4 top of housing is equipped with top plate, the top plate both sides
Symmetrical fixed lever 25, to support the top plate, when the lever 25 is located at 22 bottom end of sliding slot, is fixed with retaining ring 23
The lever 25, the top plate are fixedly connected with the housing 4, when the lever 25 removes the sliding slot 22, the lever
25 are in discrete state with the housing 4；
Analytical equipment, including be fixedly arranged on straight down the first sensing chamber 13 of the top plate, the second sensing chamber 14 and
Third sensing chamber 3, first sensing chamber 13, the second sensing chamber 14,3 top of third sensing chamber are installed with sensor 5, described
Sensor 5 includes the temperature sensor and humidity sensor positioned at first sensing chamber 13, the ammonia of second sensing chamber 14
Gas sensor, methane transducer and carbon monoxide transducer, the hydrogen sulfide sensor and chlorine of the third sensing chamber 3 pass
Sensor；
Purifying box 7 is fixedly arranged at the top of the top plate, and the top of the purifying box 7 is equipped with gas vent 16, the purifying box
7 sides are equipped with exhaust outlet, and 7 bottom of purifying box is set there are three snorkel 26, and three 26 other ends of snorkel are respectively communicated with institute
The first sensing chamber 13, the second sensing chamber 14, third sensing chamber 3 are stated, valve, the purifying box 7 are equipped on the snorkel 26
Interior spaced horizontal fixed multiple steel plates 8 up and down, the cavity between two steel plates 8 of arbitrary neighborhood are described filled with activated carbon fiber
Cavity between 7 bottom of steel plate 8 and the purifying box filled with activated carbon fiber and discoloration silica gel, the steel plate 8 with it is described only
Change the cavity between 7 top of case filled with activated carbon fiber, sodium hydroxide and calcium oxide, wherein, one end of the steel plate 8
Equipped with through-hole 6, to form S type ventilation paths in purify cavity；
Circulator, the gas cabinet 11 including being fixedly arranged on 4 side wall of housing, 11 top of the gas cabinet are communicated with the
One exhaust pipe 9,9 other end of downtake pipe are connected with the exhaust outlet, and 11 bottom of the gas cabinet connection is equipped with second
Exhaust pipe 15,15 other end of second exhaust pipe are connected with the plenum chamber 30, inside the gas cabinet 11 vertically
Equipped with slide plate 10, the slide plate 10 is slidably connected with 11 madial wall of gas cabinet sealing, and 10 center of slide plate is vertical
Equipped with pull rod 12,12 other end of the pull rod sealing slides through 11 side wall of gas cabinet, wherein, the downtake pipe 9,
Valve is equipped at second exhaust pipe 15, when purified gas is entered by downtake pipe 9 in gas cabinet 11, slide plate 10 is towards remote
It is slided from 4 direction of housing, after detection, opens valve and the gas vent 16, direction at the second exhaust pipe 15
Gas in the 4 direction sliding tie rod 12 of housing, the gas cabinet 11 enters first sensing chamber by plenum chamber 30
13rd, the gas being detained in described device is driven by the second sensing chamber 14 and third sensing chamber 3；
Wherein, the valve is set as one-way cock.
In the above-mentioned technical solutions, the minipump passes through its switch of remote control control；2 top of connected unit is outer
Side is located at first branch pipe, the second branch pipe and third branch pipe and is axially recessed respectively inwards, forms three circular ring shapes and houses
To be clamped first sensing chamber 13, the second sensing chamber 14,3 bottom of third sensing chamber, sealing is equipped in three accommodating cavities for chamber
Circle makes the first sensing chamber 13, the second sensing chamber 14, third sensing chamber 3 are detachably connected with three accommodating cavities for sealing；Detection
Before, the slide plate 10 is close to 11 side wall of the gas cabinet close to the housing 4, and after detection, the slide plate 10 is far from institute
State 11 side wall of the gas cabinet of housing 4；First branch pipe, the second branch pipe, the valve at third branch pipe are set on the housing 4
Outside side wall.During use, before starting detection, first branch pipe, the second branch pipe, third branch pipe, the valve at second exhaust pipe
Door is closed, and the valve at the snorkel, downtake pipe 9 is opening, and the gas vent 16, which is in, closes
State starts the power supply of minipump using remote controler, if the valve at detection temperature and humidity, opening first branch pipe
Door, if detection ammonia, carbon monoxide, methane open the valve at second branch pipe, if detection chlorine and hydrogen sulfide open institute
The valve at third branch pipe is stated, gas enters detection device, then enter the purifying box 7, purification by snorkel by plenum chamber 30
After the completion, gas enters gas cabinet 11 by the downtake pipe 9, and the slide plate 10 is moved along the direction far from the housing 4,
When the slide plate 10 is located at the position farthest apart from 4 side wall of housing, the gas exchanges in detection device are completed, and start to detect gas
The ingredient and concentration of body, number to be shown are stablized, and detection terminates, and open at the second exhaust pipe 15 valve, described in opening
Gas vent 16, to the direction sliding tie rod 12 close to 4 side wall of housing, the right gas cabinet 11 of gas enters plenum chamber 30, makes collection
30 residual gas enters detection device in gas tank, enters purifying box 7 by snorkel, and gas is obtained after purification by 16 row of gas vent
Go out, when the slide plate 10 is close to 11 side wall of gas cabinet close to the housing 4, residual gas excludes to complete.Using
This technical solution is filtered under test gas using screen pipe 1, reduces influence of the solid particle to sensor 5, improves inspection
Survey the accuracy of result；Sensing chamber is divided into the first sensing chamber 13, the second sensing chamber 14, third sensing chamber 3, avoids detection one
Influence during kind gas to other sensors 5；In housing 4, when lever 25 skids off sliding slot 22, housing 4 is in top plate and detaches
State, meanwhile, the first sensing chamber 13, the second sensing chamber 14, third sensing chamber 3 and connected unit 2 are also at discrete state, work as lever
25 are fixed when sliding into 22 bottom of sliding slot with retaining ring 23, and top plate is fixed with housing 4, first sensing chamber 13, the second sensing chamber 14,
Third sensing chamber 3 and 2 top of the connected unit connects, can be realized by this design sensor 5 is carried out at any time cleaning with
It replaces；Setting steel plate 8 and S type ventilation paths in purifying box 7 increase gas and activated carbon fiber, discoloration silica gel, hydroxide
The contact area of sodium, calcium oxide；Discoloration silica gel is put in bottom, and the silica gel that on the one hand changes colour first absorbs moisture, avoids top layer
Sodium hydroxide and calcium oxide caking, influence clean-up effect, the silica gel that on the other hand changes colour is prevented from caking, and can recycle,
Bottom is placed on not have to often replace；Sodium hydroxide and calcium oxide be put in top layer one side gas enter top layer when removed
Water process reduces sodium hydroxide and calcium oxide caking, influences clean-up effect, another aspect calcium oxide and sodium hydroxide cannot weigh
It is multiple to use, it is placed on that top layer is convenient to be replaced at any time, meanwhile, this design can be achieved to be further processed gas, and avoiding cannot be by
Activated carbon fiber and the gaseous contamination environment of discoloration silica gel absorption；By designing gas cabinet 11, purified gas is made to enter gas
Body case 11, after detection, gas enters plenum chamber 30 by gas cabinet 11, drives the residual gas being trapped in plenum chamber 30,
Residual gas is made to enter purifying box 7, after purification by 16 discharger of gas vent outside, it is this design on the one hand reduce residual gas
On the other hand damage to device can also reduce influence of the residual gas to detection next time, improve the accuracy of detection, together
When, this design reduces injury of the residual gas to staff；Valve at three snorkels 26 is set as one-way cock, can
Enter other sensing chamber to avoid gas in detection process；Valve at the downtake pipe 9 is set as one-way cock, can keep away
Exempt from due to the increase of pressure in gas cabinet 11, the phenomenon that purified gas returns to detection device by gas cabinet 11, influence to detect
As a result, on the other hand providing an atmospheric pressure environment for detection device, the accuracy of detection is improved.
In another technical solution, further include signal processor, respectively with temperature sensor, humidity sensor, ammonia
Gas sensor, methane transducer, carbon monoxide transducer, hydrogen sulfide sensor and chlorine sensor electrical connection, receive respectively
Temperature sensor, humidity sensor, ammonia gas sensor, methane transducer, carbon monoxide transducer, hydrogen sulfide sensor and chlorine
The analog signal of gas sensor is simultaneously converted into voltage signal；
Analog-digital converter is electrically connected with signal processor, with receiving voltage signal and is changed into digital signal；
Controller is electrically connected with the analog-digital converter, and alarm threshold value is prestored in it, and the controller is electrically connected
Audible-visual annunciator, wireless transport module are connected to, the wireless transport module communicates with mobile phone terminal and remote internet alarm system
Connection, the controller receives digital signal, and is compared with pre-stored alarm threshold value, when the digital signal exceeds
During alarm threshold value range, controller driving audible-visual annunciator alarm, meanwhile, controller is by wireless transport module to mobile phone terminal
Alarm is carried out with remote internet alarm system；
Wherein, temperature sensor, humidity sensor, ammonia gas sensor, methane transducer, carbon monoxide transducer, vulcanization
Hydrogen sensor and chlorine sensor respectively correspond to an alarm threshold value, concretely：The temperature sensor threshold value is set as 45
DEG C, the humidity sensor threshold value is set as 15%, and the ammonia gas sensor threshold value is set as 6%, and methane transducer threshold value is set as
4%, hydrogen sulfide sensor threshold value is set as 5%, and chlorine sensor threshold value is set as 5%, and carbon monoxide transducer threshold value is set as 12%,
Wherein, when the concentration and temperature of gases methane to be detected, ammonia, chlorine, hydrogen sulfide and carbon monoxide are higher than predetermined threshold value
When, controller drives warning device and wireless output module, when its humidity is less than predetermined threshold value, controller driving alarm dress
It puts and wireless output module.Using this technical solution, when the concentration, temperature or humidity of under test gas reach threshold value,
Device sends out alarm, everybody is reminded to take measures, and it is pernicious that this set can be effectively prevented from fire, explosion, asphyxia, death etc.
The generation of accident.
In another technical solution, 30 outer layer of plenum chamber is plastic layer, and internal layer is corrosion resistant polytetrafluoroethylene (PTFE)
Material is made.Using this technical solution, carrying can be made more convenient with the weight of alleviator using plastic layer, using poly-
Tetrafluoroethene can extend the usage time of device.
In another technical solution, 11 inside of gas cabinet is equipped with resistance to compression layer.Using this technical solution, can make
More gases are passed through in gas cabinet 11.
In another technical solution, the cavity between 7 top of the steel plate 8 and the purifying box is fine filled with activated carbon
Dimension, sodium hydroxide and calcium oxide, the mass ratio of three kinds of substances is 10:3:3.Using this technical solution, provide a kind of preferred
Quality proportioning.
In another technical solution, the cavity between 7 bottom of the steel plate 8 and the purifying box is fine filled with activated carbon
The mass ratio of peacekeeping discoloration silica gel, activated carbon fiber and discoloration silica gel is 3:1.Using this technical solution, provide a kind of preferred
Quality proportioning.
In another technical solution, controller, display are further included.Using this technical solution, for reading in time
The concentration of corresponding gas.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.It can to stand alone type of the present invention
The application of combustion property gas-detecting device, modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and legend shown and described herein.
Claims (7)
1. a kind of stand alone type imflammable gas detection device, which is characterized in that including：
Plenum chamber, top be equipped with gas outlet, side be equipped with air inlet, the air inlet be located in the plenum chamber be communicated with it is micro-
Type vacuum pump, the air inlet, which is located at outside the plenum chamber, is communicated with screen pipe, and the screen pipe madial wall is circumferential along its length
Direction is equipped with the first filter layer, the second filter layer and third filter layer at equal intervals, and the material of first filter layer is Buddhist nun
Dragon, the material of second filter layer is glass fibre, and the material of the third filter layer is metal-rubber, and its surface is all provided with
There is high-temperature-resistant layer；
Connected unit, bottom is into openning shape, and its bottom is circumferentially fixedly arranged at the top of the plenum chamber, is installed in the connected unit
Pipeline, described pipeline one end are connected with the gas outlet, and the other end is included vertically upward described in hermetically passing at the top of connected unit
First branch pipe, the second branch pipe and third branch pipe are equipped with valve on first branch pipe, the second branch pipe and third branch pipe
Door；
Housing, bottom is into openning shape, and its bottom circumferential direction ring is fixed in the connection countertop, and the housing sidewall upper end is vertical
It is arranged with a pair of of sliding slot downwards, the hull outside wall is located at the sliding slot and is arranged right below retaining ring, one end of the retaining ring
The hull outside wall is fixed in, wherein, the case top is equipped with top plate, the symmetrical fixed lever in the top plate both sides, to
The top plate is supported, when the lever is located at the sliding slot bottom end, the lever, the top plate and the shell are fixed with retaining ring
Body is fixedly connected, and when the lever removes the sliding slot, the lever is in discrete state with the housing；
Analytical equipment, the first sensing chamber, the second sensing chamber and third including being fixedly arranged on the top plate straight down are detected
Room, first sensing chamber, the second sensing chamber, third sensing chamber bottom seal respectively is connected in the connected unit, and described first
Sensing chamber, the second sensing chamber, third sensing chamber top are installed with sensor, and the sensor includes being located at the described first detection
The temperature sensor and humidity sensor of room, ammonia gas sensor, methane transducer and the carbon monoxide of second sensing chamber
Sensor, the hydrogen sulfide sensor and chlorine sensor of the third sensing chamber；
Purifying box is fixedly arranged at the top of the top plate, and the top of the purifying box is equipped with gas vent, and the purifying box side is equipped with
Exhaust outlet, the purifying box bottom are set there are three snorkel, and three snorkel other ends are respectively communicated with first sensing chamber, the
Two sensing chamber, third sensing chamber, are equipped with valve on the snorkel, fixed multiple steel of spaced horizontal up and down in the purifying box
Plate, cavity between two steel plates of arbitrary neighborhood is filled with activated carbon fiber, between the steel plate and the purifying box bottom
For cavity filled with activated carbon fiber and discoloration silica gel, the cavity between the steel plate and purifying box top is filled with activated carbon
Fiber, sodium hydroxide and calcium oxide, wherein, one end of the steel plate is equipped with through-hole, to form the ventilation of S types in purify cavity
Path；
Circulator, the gas cabinet including being fixedly arranged on the housing sidewall, the gas cabinet top are communicated with downtake pipe,
The downtake pipe other end is connected with the exhaust outlet, and gas cabinet bottom connection is equipped with second exhaust pipe, and described the
The two exhaust pipe other ends are connected with the plenum chamber, and slide plate, the slide plate and institute are vertically equipped with inside the gas cabinet
It states the sealing of gas box inner wall to be slidably connected, the slide plate center is vertically equipped with pull rod, and the pull rod other end sealing is slided
It moves across the gas cabinet side wall, wherein, valve is equipped at the downtake pipe, second exhaust pipe, works as purified gas
Entered in gas cabinet by downtake pipe, slide plate is directed away from the housing direction and slides, and after detection, opens described second
Valve and the gas vent at exhaust pipe, towards the gas in the housing direction sliding tie rod, the gas cabinet by collecting
Gas tank enters first sensing chamber, the second sensing chamber and third sensing chamber, drives the gas being detained in described device；
Wherein, the valve is set as one-way cock.
2. stand alone type imflammable gas detection device as described in claim 1, which is characterized in that further include：
Signal processor passes respectively with temperature sensor, humidity sensor, ammonia gas sensor, methane transducer, carbon monoxide
Sensor, hydrogen sulfide sensor and chlorine sensor electrical connection have received temperature sensor, humidity sensor, ammonia sensing respectively
Device, methane transducer, carbon monoxide transducer, hydrogen sulfide sensor and chlorine sensor analog signal and be converted into voltage
Signal；
Analog-digital converter is electrically connected with signal processor, with receiving voltage signal and is changed into digital signal；
Controller is electrically connected with the analog-digital converter, and alarm threshold value is prestored in it, and the controller is electrically connected with
Audible-visual annunciator, wireless transport module, the wireless transport module and mobile phone terminal and remote internet alarm system communication link
It connects, the controller receives digital signal, and is compared with pre-stored alarm threshold value, when the digital signal is beyond report
During alert threshold range, controller driving audible-visual annunciator alarm, meanwhile, controller by wireless transport module to mobile phone terminal and
Remote internet alarm system carries out alarm；
Wherein, temperature sensor, humidity sensor, ammonia gas sensor, methane transducer, carbon monoxide transducer, hydrogen sulfide pass
Sensor and chlorine sensor respectively correspond to an alarm threshold value.
3. stand alone type imflammable gas detection device as described in claim 1, which is characterized in that the plenum chamber outer layer is modeling
The bed of material, internal layer are made of corrosion resistant polytetrafluoroethylene material.
4. stand alone type imflammable gas detection device as described in claim 1, which is characterized in that be equipped on the inside of the gas cabinet
Resistance to compression layer.
5. stand alone type imflammable gas detection device as described in claim 1, which is characterized in that the steel plate and the purification
For cavity between box top filled with activated carbon fiber, sodium hydroxide and calcium oxide, the mass ratio of three kinds of substances is 10:3:
3。
6. stand alone type imflammable gas detection device as described in claim 1, which is characterized in that the steel plate and the purification
Cavity between bottom portion is filled with activated carbon fiber and the silica gel that changes colour, and the mass ratio of activated carbon fiber and discoloration silica gel is 3:1.
7. stand alone type imflammable gas detection device as described in claim 1, which is characterized in that further include controller, display
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098312.9A CN108267551A (en) | 2018-01-31 | 2018-01-31 | Free-standing imflammable gas detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098312.9A CN108267551A (en) | 2018-01-31 | 2018-01-31 | Free-standing imflammable gas detection device |
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| Publication Number | Publication Date |
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| CN108267551A true CN108267551A (en) | 2018-07-10 |
Family
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|---|---|---|---|
| CN201810098312.9A Pending CN108267551A (en) | 2018-01-31 | 2018-01-31 | Free-standing imflammable gas detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001379A (en) * | 2018-08-01 | 2018-12-14 | 扬中市南方矿用电器有限公司 | Methane Methods For Determining Hydrogen Sulfide and device |
| CN109283290A (en) * | 2018-08-20 | 2019-01-29 | 烟台知兴知识产权咨询服务有限公司 | A kind of environment monitoring device for atmosphere pollution |
| CN109580878A (en) * | 2018-11-15 | 2019-04-05 | 深圳市安帕尔科技有限公司 | A kind of hand-held gas detection lifesaving instrument |
| CN113984959A (en) * | 2021-06-30 | 2022-01-28 | 艾感科技(广东)有限公司 | Mobile gas detection system and device |
| CN114062592A (en) * | 2021-01-21 | 2022-02-18 | 安徽赛安安全设备有限责任公司 | Combined multi-gas detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202710533U (en) * | 2012-07-12 | 2013-01-30 | 成都昶艾电子科技有限公司 | Test cavity capable of rapidly replacing sensor |
| CN203022819U (en) * | 2012-11-20 | 2013-06-26 | 汪刚 | Coal mine air safety monitoring and alarming system |
| CN204422502U (en) * | 2015-02-05 | 2015-06-24 | 克拉玛依市建业有限责任公司 | A kind of gas detector for workover treatment |
| CN105987986A (en) * | 2015-02-09 | 2016-10-05 | 山西亮龙涂料有限公司 | Device for detecting air cleaning capability of coated material |
| WO2017076981A1 (en) * | 2015-11-06 | 2017-05-11 | Koninklijke Philips N.V. | Modular fluid sensing system |
| CN206248631U (en) * | 2016-12-01 | 2017-06-13 | 上海腾盛智能安全科技股份有限公司 | A kind of combustible gas probe with self calibrating function |
| CN206583886U (en) * | 2017-03-13 | 2017-10-24 | 上海速跃自动化仪表有限公司 | A kind of portable environment gas detecting instrument |
-
2018
- 2018-01-31 CN CN201810098312.9A patent/CN108267551A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202710533U (en) * | 2012-07-12 | 2013-01-30 | 成都昶艾电子科技有限公司 | Test cavity capable of rapidly replacing sensor |
| CN203022819U (en) * | 2012-11-20 | 2013-06-26 | 汪刚 | Coal mine air safety monitoring and alarming system |
| CN204422502U (en) * | 2015-02-05 | 2015-06-24 | 克拉玛依市建业有限责任公司 | A kind of gas detector for workover treatment |
| CN105987986A (en) * | 2015-02-09 | 2016-10-05 | 山西亮龙涂料有限公司 | Device for detecting air cleaning capability of coated material |
| WO2017076981A1 (en) * | 2015-11-06 | 2017-05-11 | Koninklijke Philips N.V. | Modular fluid sensing system |
| CN206248631U (en) * | 2016-12-01 | 2017-06-13 | 上海腾盛智能安全科技股份有限公司 | A kind of combustible gas probe with self calibrating function |
| CN206583886U (en) * | 2017-03-13 | 2017-10-24 | 上海速跃自动化仪表有限公司 | A kind of portable environment gas detecting instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001379A (en) * | 2018-08-01 | 2018-12-14 | 扬中市南方矿用电器有限公司 | Methane Methods For Determining Hydrogen Sulfide and device |
| CN109283290A (en) * | 2018-08-20 | 2019-01-29 | 烟台知兴知识产权咨询服务有限公司 | A kind of environment monitoring device for atmosphere pollution |
| CN109580878A (en) * | 2018-11-15 | 2019-04-05 | 深圳市安帕尔科技有限公司 | A kind of hand-held gas detection lifesaving instrument |
| CN114062592A (en) * | 2021-01-21 | 2022-02-18 | 安徽赛安安全设备有限责任公司 | Combined multi-gas detection device |
| CN113984959A (en) * | 2021-06-30 | 2022-01-28 | 艾感科技(广东)有限公司 | Mobile gas detection system and device |
| CN113984959B (en) * | 2021-06-30 | 2024-03-19 | 艾感科技(广东)有限公司 | Mobile gas detection system and device |
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Application publication date: 20180710 |