CN109085303A - A kind of stand alone type imflammable gas detection device - Google Patents
A kind of stand alone type imflammable gas detection device Download PDFInfo
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- CN109085303A CN109085303A CN201810994222.8A CN201810994222A CN109085303A CN 109085303 A CN109085303 A CN 109085303A CN 201810994222 A CN201810994222 A CN 201810994222A CN 109085303 A CN109085303 A CN 109085303A
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 230000000694 effects Effects 0.000 claims abstract description 22
- 230000007306 turnover Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 206010028347 Muscle twitching Diseases 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
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- Environmental & Geological Engineering (AREA)
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- Pathology (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of free-standing imflammable gas detection devices of gas-detecting device technical field, including holding rod, outer protecting shell is arranged in the top of the holding rod, the inner chamber gas sensor of the outer protecting shell, the outer right wall of the outer protecting shell connects alarm, display is arranged in the front end of the outer protecting shell, electrically input connects microprocessor to the display, the two-way electric connection gas sensor of microprocessor, electrically input connects remote controler to the signal receiver, shade is arranged by connecting shaft activity in the top of the outer protecting shell, fixed device is arranged in the rear end outer wall of the outer protecting shell, gas-detecting device is hung on wall, it does not need staff and holds for a long time to measure, canvas can be covered on the top of display, so that gas-detecting device also can easily read and record display under the sun and strong light The information of device allows gas-detecting device is more convenient to operate and use.
Description
Technical field
The present invention relates to gas-detecting device technical field, specially a kind of free-standing imflammable gas detection device.
Background technique
Imflammable gas detection device is mostly stand-alone configuration, belongs to small gas detection device, convenient to various complexity
Industry spot carries out gas detection.Existing stand alone type imflammable gas detection device is typically all by hand-held to one place position
It sets and is detected, detection process takes a long time, prevent holding the people of detection device for a long time in a place from doing
Other things, existing stand alone type imflammable gas detection device can not be fixed on the device on metope but, detect simultaneously
When display on device reads record information under the sun or strong light, it has not been convenient to observation and record, and also existing detection fills
It sets mostly using operational flip, so that safety in utilization is lower at the scene for gas-detecting device, so that gas-detecting device is inconvenient
Operation and use, for this purpose, it is proposed that a kind of stand alone type imflammable gas detection device.
Summary of the invention
The purpose of the present invention is to provide a kind of free-standing imflammable gas detection devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of stand alone type imflammable gas detection device, packet
Holding rod is included, outer protecting shell is arranged in the top of the holding rod, and whether the left side inner cavity setting of the outer protecting shell is used for detection gas concentration
The left side outer wall of standard compliant gas sensor, the gas sensor is connected to suction nozzle, the outer right wall of the outer protecting shell
Connecting detection goes out alarm when gas concentration does not meet standard for alarm, and LED warning lamp is arranged in the top of the alarm,
The display for showing gas detection data information is arranged in the front end of the outer protecting shell, and the display electrically use by input connection
In the microprocessor of integrated circuit, and the inner cavity of outer protecting shell, the two-way electric connection gas of microprocessor is arranged in microprocessor
Body sensor, the two-way electric connection alarm of microprocessor, the two-way electric connection of microprocessor is for receiving signal
Signal receiver, electrically input connection is used for transmission the remote controler of order, the front end of the display for the signal receiver
Transparent glass protective cover is set, and hangers is arranged in the outer wall of the outer protecting shell, and hangers shares two groups, and the top of the outer protecting shell is logical
Connecting shaft activity setting shade is crossed, fixed device, the front end setting of the holding rod is arranged in the rear end outer wall of the outer protecting shell
Remote controler is placed in limiting slot, the inner cavity activity of the limiting slot, and outlet nozzle is arranged in the left side top of the outer protecting shell.
Preferably, the shade includes the turnover panel being movably arranged at the top of outer protecting shell, the inner cavity activity of the turnover panel
Connecting rod is connected, the top of the connecting rod is flexibly connected two groups of swing rods by roller bearing, and the front bottom end of swing rod described in two groups is logical
It crosses roller bearing and is flexibly connected pull rod, the opposing end surface of the swing rod and the opposing end surface of pull rod are respectively provided with canvas, and the front end of turnover panel
Setting and the matched open slot of pull rod.
Preferably, the fixed device includes the fixed plate for being fixed at outer protecting shell rear end outer wall, the rear end of the fixed plate
Telescopic cavity is arranged in outer wall, and limit is arranged in the rear end outer wall of the inner cavity activity setting activity hanging rod of the telescopic cavity, the telescopic cavity
Bar, and the setting of rear end outer wall and the matched limiting groove of gag lever post of movable hanging rod.
Preferably, the left and right sides outer wall of the connecting rod is respectively provided with sliding block, and inner wall is respectively provided at left and right sides of the inner cavity of turnover panel
With the matched sliding slot of sliding block.
Preferably, the alarm includes voice guard and light crossing-signal, and voice guard wave volume is greater than 85 decibels, light
Alarm is prompted by LED warning lamp flashing.
Preferably, it is set as hooked rod at the top of the movable hanging rod, and telescopic cavity is arranged in the other end of hooked rod
Rear end, and rounded corner fastening block is arranged in the front end of gag lever post, and the inner wall of limiting groove is set as fastening Block- matching with rounded corner
Circular trough.
Preferably, the left and right sides outer wall of the holding rod is respectively provided with finger ring slot, and the inner wall bonding of finger ring slot protects cotton-padded covering, and
Protect the soft cotton pad of lumen loading of cotton-padded covering.
Preferably, a kind of application method of free-standing imflammable gas detection device:
S1: it grasps holding rod and outer protecting shell row to position appropriate is driven to carry out gas detection, or will be outer by fixed device
Protective case is fixed on the wall, upward sliding activity hanging rod, after movable floating rule rises to mounting height, gag lever post is made to be plugged on limit
In groove, the height of movable floating rule is fixed on telescopic cavity, movable hanging rod is hung over and carries out gas detection on wall；
S2: carrying out signal transmission by remote control control wireless signal receiver, so that microprocessor is controlled, microprocessor control
Gas sensor work, air enters in gas sensor by suction nozzle to be detected, by the outlet nozzle at the top of outer protecting shell
Gas is discharged, gas sensor detects that the data of gas concentration are uploaded in microprocessor, and being converted by microprocessor can
Visual information is prompted by display, and when the concentration in gas is more than pre-warning signal, alarm starts alarm warning, in spaciousness
When being recorded under strong light to the data information on display, shading is carried out to display by shade, facilitates data
It reads and records；
S3: overturning turnover panel by connecting shaft, overturn turnover panel to the top of display, and then bar twitching drives connecting rod from turning over
It is pulled out forward in plate, pulling pull rod can be controlled by roller bearing, so that pull rod drives swing rod or so overturning by roller bearing again, from
And the canvas on swing rod and pull rod is driven to open, so that the canvas opened is covered on the top of display, so that display
Data on device also can conveniently be read out record under the sun and strong light.
Compared with prior art, the beneficial effects of the present invention are:
1. fixed device is arranged, the movable hanging rod in fixed device can go up and down extensional motion, gag lever post grafting in telescopic cavity
The height that movable hanging rod can be fixed in limiting groove can be hung over gas-detecting device on wall by movable hanging rod,
It does not need staff and holds for a long time to measure, staff can be allowed to have more the time and do other things；
2. shade is arranged, the pull rod in shade drives swing rod to pull out connecting rod from turnover panel, passes through roller bearing
Overturning pull rod and swing rod can be controlled, so that the canvas on pull rod and swing rod be opened, while turnover panel rotation is driven by connecting shaft
Turn, so that canvas is covered on the top of display, so that gas-detecting device can easily also be read in the sun under strong light
With the information of record display device；
3. remote controler is arranged, and infrared remote control is set by remote controler, uncapped operation without outer protecting shell, so that the scene of instrument is grasped
Make more conveniently, safely, allows gas-detecting device is more convenient to operate and use.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is shade structural schematic diagram of the present invention；
Fig. 3 is fixture structure right view of the present invention；
Fig. 4 is principle of the invention figure.
In figure: 1 holding rod, 2 outer protecting shells, 3 gas sensors, 4 alarms, 5 displays, 6 hangers, 7 shades, 71 are turned over
Plate, 72 connecting rods, 73 swing rods, 74 pull rods, 75 canvas, 8 fixed devices, 81 fixed plates, 82 telescopic cavities, 83 movable hanging rods, 84 limits
Position groove, 85 gag lever posts, 9 limiting slots, 10 remote controlers, 11 signal receivers, 12 microprocessors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of stand alone type imflammable gas detection device, including
Outer protecting shell 2 is arranged in the top of holding rod 1, holding rod 1, and outer protecting shell 2 meets EMC design standard, has superpower anti-electromagnetic interference capability, fits
For various complex industrial scenes, the left side inner cavity setting of outer protecting shell 2 is used for the whether standard compliant gas of detection gas concentration
Sensor 3, gas sensor 3 use imported with original packaging, and the service life is longer, and measurement result is stable, accurate, gas sensor 3
Left side outer wall is connected to suction nozzle, and the outer right wall connecting detection of outer protecting shell 2 goes out when gas concentration does not meet standard for alarm
LED warning lamp is arranged in alarm 4, the top of alarm 4, and the front end of outer protecting shell 2 is arranged for showing gas detection data information
Display 5, display 5 show that picture and text guiding software actions menu, support chinese and english menu is cut using technical grade color screen
It changes, electrically microprocessor 12 of the input connection for integrated circuit, microprocessor 12 use embedded 32 ultralow function to display 5
Energy consumption microprocessor, fast response time, measurement accuracy are high, stability and reproducible, and microprocessor 12 is arranged in outer protecting shell 2
Inner cavity, the two-way electric connection gas sensor 3 of microprocessor 12, the two-way electric connection alarm 4 of microprocessor 12, micro process
The two-way electric connection of device 12 is used to receive the signal receiver 11 of signal, and signal receiver 11 supports multi-signal output, can be same
When export 4-20mA analog signal, RS485 digital signal, wireless digital signal, electrically input connection is used for for signal receiver 11
The remote controler 10 of order is transmitted, remote controler 10 is infrared remote control, is uncapped operation without outer protecting shell 2, so that the execute-in-place of instrument
More conveniently, safely, transparent glass protective cover is arranged in the front end of display 5, and hangers 6, and hangers 6 is arranged in the outer wall of outer protecting shell 2
Two groups are shared, shade 7, the fixed dress of rear end outer wall setting of outer protecting shell 2 is arranged by connecting shaft activity in the top of outer protecting shell 2
8 are set, limiting slot 9 is arranged in the front end of holding rod 1, and remote controler 10 is placed in the inner cavity activity of limiting slot 9, and the left side top of outer protecting shell 2 is set
Set outlet nozzle.
Wherein, shade 7 includes the turnover panel 71 for being movably arranged on 2 top of outer protecting shell, and the inner cavity of turnover panel 71 is flexibly connected
The top of connecting rod 72, connecting rod 72 is flexibly connected two groups of swing rods 73 by roller bearing, and the front bottom end of two groups of swing rods 73 passes through rolling
Axis is flexibly connected pull rod 74, and the opposing end surface of swing rod 73 and the opposing end surface of pull rod 74 are respectively provided with canvas 75, and before turnover panel 71
End setting and the matched open slot of pull rod 74, pull rod 74 drive swing rod 73 to pull out connecting rod 72 from turnover panel 71, pass through
Roller bearing can make pull rod 74 and swing rod 73 two side stretching to the left and right facilitate reading so that canvas 75 is opened covering on display 5
It takes and the information on record display device 5；
Fixed device 8 includes the fixed plate 81 for being fixed at 2 rear end outer wall of outer protecting shell, and the rear end outer wall setting of fixed plate 81 is stretched
Gag lever post 85, and activity is arranged in contracting chamber 82, the inner cavity activity setting activity hanging rod 83 of telescopic cavity 82, the rear end outer wall of telescopic cavity 82
The setting of rear end outer wall and the matched limiting groove 84 of gag lever post 85 of hanging rod 83, the activity in telescopic cavity 82 of movable hanging rod 83 are drawn
It stretches, by gag lever post 85 by movable 83 fixed height of hanging rod, can be fixed on gas-detecting device by movable hanging rod 83
Positioning is set；
The left and right sides outer wall of connecting rod 72 is respectively provided with sliding block, and inner wall is respectively provided with and sliding block at left and right sides of the inner cavity of turnover panel 71
The sliding slot matched is slided in sliding slot by sliding block, slides connecting rod 72 in the inner cavity of turnover panel 71；
Alarm 4 includes voice guard and light crossing-signal, and voice guard wave volume is greater than 85 decibels, and light crossing-signal passes through
LED warning lamp flashing prompt, allow alarm 4 respectively by sound and light prompt it is two-way alarm, make to alarm
Effect is more obvious；
The top of movable hanging rod 83 is set as hooked rod, and the rear end of telescopic cavity 82 is arranged in the other end of hooked rod, and limits
Rounded corner fastening block is arranged in the front end of bar 85, and the inner wall of limiting groove 84 is set as and the matched circle of rounded corner fastening block
Slot, the top of movable hanging rod 83 are set as hook-shaped form and can be convenient movable hanging rod 83 hanging and taking in fixed position, rounded corner fastening
Block is plugged in circular trough, is plugged on gag lever post 85 in limiting groove 84 more firm, thus the height of fixed activity hanging rod 83
Degree；
The left and right sides outer wall of holding rod 1 is respectively provided with finger ring slot, the inner wall bonding protection cotton-padded covering of finger ring slot, and protects the inner cavity of cotton-padded covering
Fill soft cotton pad, held when alloing to hold holding rod 1 by finger ring slot it is more compact, while by protecting cotton-padded covering that can make to take
Holding rod when it is more comfortable.
A kind of application method of stand alone type imflammable gas detection device:
S1: it grasps holding rod 1 and 2 row of outer protecting shell to position appropriate is driven to carry out gas detection, or will by fixed device 8
Outer protecting shell 2 is fixed on the wall, upward sliding activity hanging rod 83, after movable floating rule 83 rises to mounting height, makes gag lever post 85
It is plugged in limiting groove 84, the height of movable floating rule 83 is fixed on telescopic cavity 82, movable hanging rod 83 is hung on wall
Carry out gas detection；
S2: wireless signal receiver 11 is controlled by remote controler 10 and carries out signal transmission, to control microprocessor 12, micro process
Device 12 controls gas sensor 3 and works, and air enters in gas sensor 3 by suction nozzle to be detected, and pushes up by outer protecting shell 2
Gas is discharged in the outlet nozzle in portion, and gas sensor 3 detects that the data of gas concentration are uploaded in microprocessor 12, passes through micro- place
Reason device 12 is converted into visual information and is prompted by display 5, and when the concentration in gas is more than pre-warning signal, alarm 4 is opened
Dynamic alarm warning, when being recorded under spacious strong light to the data information on display 5, by shade 7 to display 5
Shading is carried out, reading and the record of data are facilitated；
S3: overturning turnover panel 71 by connecting shaft, makes the overturning of turnover panel 71 to the top of display 5, then bar twitching 74, which drives, connects
Extension bar 72 pulls out forward from turnover panel 71, can be controlled by roller bearing and pull pull rod 74, so that pull rod 74 is driven by roller bearing again
Swing rod 73 or so is overturn, so that the canvas 75 on swing rod 73 and pull rod 74 be driven to open, is covered on the canvas 75 opened
The top of display 5, so that the data on display 5 also can conveniently be read out record under the sun and strong light.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. outer protecting shell is arranged in a kind of stand alone type imflammable gas detection device, including holding rod (1), the top of the holding rod (1)
(2), it is characterised in that: the left side inner cavity setting of the outer protecting shell (2) is used for the whether standard compliant gas of detection gas concentration
Sensor (3), the left side outer wall of the gas sensor (3) are connected to suction nozzle, and the outer right wall of the outer protecting shell (2) connects inspection
The alarm (4) when gas concentration is not inconsistent standardization for alarm is measured, LED warning lamp is arranged in the top of the alarm (4),
The display (5) for showing gas detection data information is arranged in the front end of the outer protecting shell (2), and the display (5) is electrically
Input connection is used for the microprocessor (12) of integrated circuit, and microprocessor (12) setting is in the inner cavity of outer protecting shell (2), described micro-
The two-way electric connection gas sensor (3) of processor (12), the two-way electric connection alarm (4) of microprocessor (12), institute
Microprocessor (12) two-way electric connection is stated for receiving the signal receiver (11) of signal, the signal receiver (11) is electrically
Input connection is used for transmission the remote controler (10) of order, and transparent glass protective cover is arranged in the front end of the display (5), described outer
Hangers (6) are arranged in the outer wall of protective case (2), and hangers (6) shares two groups, and the top of the outer protecting shell (2) passes through connecting shaft activity
It is arranged shade (7), the rear end outer wall of the outer protecting shell (2) is arranged fixed device (8), the front end setting of the holding rod (1)
Remote controler (10) are placed in the inner cavity activity of limiting slot (9), the limiting slot (9), and the left side top of the outer protecting shell (2) is provided
Gas nozzle.
2. a kind of free-standing imflammable gas detection device according to claim 1, it is characterised in that: the shade
It (7) include the turnover panel (71) being movably arranged at the top of outer protecting shell (2), the inner cavity of the turnover panel (71) is flexibly connected connecting rod
(72), the top of the connecting rod (72) is flexibly connected two groups of swing rods (73), the front end of swing rod described in two groups (73) by roller bearing
Bottom is flexibly connected pull rod (74) by roller bearing, and the opposing end surface of the opposing end surface and pull rod (74) of the swing rod (73) is respectively provided with
Canvas (75), and front end setting and pull rod (74) matched open slot of turnover panel (71).
3. a kind of free-standing imflammable gas detection device according to claim 1, it is characterised in that: the fixed device
It (8) include the fixed plate (81) for being fixed at outer protecting shell (2) rear end outer wall, the rear end outer wall setting of the fixed plate (81) is stretched
The rear end outer wall of contracting chamber (82), the inner cavity activity setting activity hanging rod (83) of the telescopic cavity (82), the telescopic cavity (82) is set
It sets gag lever post (85), and the setting of rear end outer wall and gag lever post (85) matched limiting groove (84) of movable hanging rod (83).
4. a kind of free-standing imflammable gas detection device according to claim 2, it is characterised in that: the connecting rod
(72) left and right sides outer wall is respectively provided with sliding block, and inner wall is respectively provided with and the matched cunning of sliding block at left and right sides of the inner cavity of turnover panel (71)
Slot.
5. a kind of free-standing imflammable gas detection device according to claim 1, it is characterised in that: the alarm
It (4) include voice guard and light crossing-signal, voice guard wave volume is greater than 85 decibels, and light crossing-signal is warned by LED
The prompt of lamp flashing.
6. a kind of free-standing imflammable gas detection device according to claim 3, it is characterised in that: the activity hanging rod
(83) it is set as hooked rod at the top of, and the other end setting of hooked rod is in the rear end of telescopic cavity (82), and gag lever post (85)
Rounded corner fastening block is arranged in front end, and the inner wall of limiting groove (84) is set as and the matched circular trough of rounded corner fastening block.
7. a kind of free-standing imflammable gas detection device according to claim 1, it is characterised in that: the holding rod (1)
Left and right sides outer wall be respectively provided with finger ring slot, the inner wall bonding protection cotton-padded covering of finger ring slot, and protect the soft cotton of lumen loading of cotton-padded covering
Pad.
8. a kind of application method of stand alone type imflammable gas detection device, it is characterised in that:
S1: it grasps holding rod (1) and outer protecting shell (2) row to position appropriate is driven to carry out gas detection, or pass through fixed dress
It sets (8) to be fixed on the wall outer protecting shell (2), upward sliding activity hanging rod (83), movable floating rule (83) rises to mounting height
Afterwards, it is plugged on gag lever post (85) in limiting groove (84), the height of movable floating rule (83) is fixed on telescopic cavity (82), it will
Movable hanging rod (83), which hangs over, carries out gas detection on wall；
S2: carrying out signal transmission by remote controler (10) control wireless signal receiver (11), so that microprocessor (12) are controlled,
Microprocessor (12) controls gas sensor (3) work, and air enters in gas sensor (3) by suction nozzle to be detected,
Gas is discharged by the outlet nozzle at the top of outer protecting shell (2), gas sensor (3) detects that the data of gas concentration are uploaded to micro- place
It manages in device (12), visual information is converted by microprocessor (12) and is prompted by display (5), the concentration in gas is super
When crossing pre-warning signal, alarm (4) starts alarm warning, remembers under spacious strong light to the data information on display (5)
When record, shading is carried out to display (5) by shade (7), facilitates reading and the record of data；
S3: overturning turnover panel (71) by connecting shaft, makes top of turnover panel (71) overturning to display (5), then bar twitching
(74) it drives connecting rod (72) to pull out forward from turnover panel (71), can be controlled by roller bearing and pull pull rod (74), so that pull rod
(74) overturning of swing rod (73) left and right is driven by roller bearing again, to drive the canvas (75) on swing rod (73) and pull rod (74)
It opens, makes the canvas (75) opened that can be covered on the top of display (5), so that the data on display (5) are in the sun
With record also can be conveniently read out under strong light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810994222.8A CN109085303A (en) | 2018-08-29 | 2018-08-29 | A kind of stand alone type imflammable gas detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810994222.8A CN109085303A (en) | 2018-08-29 | 2018-08-29 | A kind of stand alone type imflammable gas detection device |
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| CN109085303A true CN109085303A (en) | 2018-12-25 |
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| CN201810994222.8A Pending CN109085303A (en) | 2018-08-29 | 2018-08-29 | A kind of stand alone type imflammable gas detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973608A (en) * | 2022-04-21 | 2022-08-30 | 森雾(上海)环保科技有限公司 | Combustible gas detection alarm instrument with good warning effect |
| CN117152929A (en) * | 2023-10-30 | 2023-12-01 | 四川正诚石油技术开发有限公司 | An online monitoring system for portable gas alarms based on the Internet of Things |
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