CN110440147B - Detachable combustible gas leak detector - Google Patents

Detachable combustible gas leak detector Download PDF

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Publication number
CN110440147B
CN110440147B CN201910681562.XA CN201910681562A CN110440147B CN 110440147 B CN110440147 B CN 110440147B CN 201910681562 A CN201910681562 A CN 201910681562A CN 110440147 B CN110440147 B CN 110440147B
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instrument box
chip microcomputer
single chip
air
rubber packing
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CN110440147A (en
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李红波
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Guangdong China Inspection And Testing Technology Co ltd
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Guangdong China Inspection And Testing Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

Abstract

The invention discloses a detachable combustible gas leak detector which comprises an instrument box, a probe unit and a fixing unit, wherein the probe unit is arranged on the instrument box; the detachable combustible gas leak detector is convenient to hold, fix and place, can meet the use requirements of different occasions, is safe and reliable when used in dangerous places, and can accurately and quickly position the gas leakage position.

Description

Detachable combustible gas leak detector
Technical Field
The invention relates to the technical field of environment-friendly instruments, in particular to a detachable combustible gas leak detector.
Background
The combustible gas refers to a substance which can be ignited and is in a gas state at normal temperature and normal pressure, such as hydrogen, acetylene, ethylene, ammonia, hydrogen sulfide and the like, and is transported by a common pipeline during transportation of gas, such as natural gas commonly used in life, and is delivered to each household by utilizing a gas delivery pipe, because the pipeline joint is easy to generate gaps and leak gas and is easy to burn and even explode under the action of a fire source, the pipeline leakage detection is the most important factor in the transportation process of the combustible gas, the leakage detector in the prior art mainly adopts a fixed leakage detector which is fixed at the pipeline joint to detect the gas concentration, and a portable leakage detector adopts a probe mode to detect the leakage, but people need to hold the detector by hands and cannot place or fix the detector in the prior art, so that the problem that the gas leakage position cannot be accurately positioned exists, after the gas leakage is found, the leakage position can not be found in time, when the device is used, the fixing mode is single, the actual use requirement is difficult to meet, and danger is easy to occur when the device is used in dangerous places.
Disclosure of Invention
The invention aims to overcome the technical problem of the prior art, and provides a detachable combustible gas leak detector which is convenient to hold, fix and place, can meet the use requirements of different occasions, is safe and reliable when used in dangerous places, can accurately and quickly position the gas leakage position, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a detachable combustible gas leak detector comprises an instrument box, a probe unit and a fixing unit; the instrument box is of a cuboid structure, a display screen is arranged above the front side surface of the instrument box, a mounting groove is arranged below the front side surface of the instrument box, a single chip microcomputer is mounted in the mounting groove, a warning lamp is mounted on the left side of the front side surface of the instrument box, a storage battery is mounted in the instrument box, the left side of the storage battery is connected with a charging head which is arranged on the left side surface of the instrument box, a loudspeaker is arranged in the instrument box, a sound expansion hole is arranged at the position of the right side surface of the instrument box corresponding to the loudspeaker, a micro air pump is arranged below the inside of the instrument box, an air suction pipe of the micro air pump penetrates through the bottom of the instrument box, and is communicated with a gas detector, the gas inlet of the gas detector is connected with a gas inlet pipe, the gas outlet pipe of the miniature gas pump is communicated with a gas outlet, the air outlet is formed below the right side surface of the instrument box, and an external connecting port is formed below the right side surface of the instrument box; the probe unit comprises a rubber protective cover, a suction nozzle, a hose and a connector, wherein the connector is installed at one end of the hose, the suction nozzle is installed at the other end of the hose, and the rubber protective cover is installed on the suction nozzle; the fixing unit comprises U-shaped fastening bolts and a connecting plate, the connecting plate is installed at the top end of the instrument box, through holes are formed in the connecting plate, and the two U-shaped fastening bolts penetrate through the through holes and are connected with nuts through threads; the single chip microcomputer is respectively and electrically connected with the storage battery and the gas detector, and the single chip microcomputer is respectively and electrically connected with the warning lamp, the display screen, the gas detector, the loudspeaker and the miniature air pump.
This detachable combustible gas leak detector, can utilize miniature air pump to inhale gas, detect gaseous concentration in the gas detector, and pass concentration information to the singlechip, the singlechip shows numerical value on the display screen, simultaneously can be when concentration risees, the speaker volume increase, the concentration change is shown directly perceived, adopt U type fastening bolt fixed, can realize hanging of instrument, place and mode such as handheld and detect, convenient to detach, through handheld mode and probe unit cooperation, can fix a position the position fast and leak the position.
Further, still include the dust cover, the dust cover is installed at the leading flank of instrument shelter, and rotates with the instrument shelter through the axis of rotation and be connected, and the dust cover is equipped with the buckle, the corresponding position of instrument shelter is equipped with the draw-in groove that corresponds with the buckle, and the display screen can be protected to the dust cover, improves the life of display screen, shelters from the dust simultaneously when fixed and hang the use.
Further, still include the hose clamp, the hose clamp is installed at the right flank of instrument case, and the breach diameter of hose clamp is less than the diameter of rubber safety cover, and the hose clamp can be fixed the rubber safety cover, conveniently fixes the storage to probe unit when fixed the use.
Further, still include the sliding closure, the side of sliding closure is equipped with the draw runner, and the inner wall of mounting groove is equipped with the spout that corresponds with the draw runner, and the draw runner of sliding closure side and the spout sliding connection of instrument case mounting groove inner wall, sliding closure are used for protecting the singlechip to avoid adverse circumstances infringement, help improving singlechip life.
Further, the warning light includes seven little lamp pearls, and seven little lamp pearls are connected with the single chip microcomputer electricity respectively, and seven little lamp pearl electricity are connected with the varistor group, the varistor group is connected in the inside of instrument case, and its is connected with the single chip microcomputer electricity, and seven little lamp pearls and the cooperation of varistor group can show different luminance when detecting out concentration difference, and the threshold value according to the single chip microcomputer setting is different simultaneously, and the length that the warning light is lighted is also different, can audio-visual find out the gas concentration and change.
Further, the side of intake pipe is equipped with the external screw thread, connector and intake pipe threaded connection, threaded connection mode, convenient to detach, probe unit are used for surveying the region that is difficult to reach, and detachable construction is convenient for improve the application scope of leak detector.
Further, still include first rubber packing pad and second rubber packing pad, the side at the intake pipe is installed to first rubber packing pad, the tip at the connector is installed to second rubber packing pad, the diameter of second rubber packing pad is greater than the diameter of first rubber packing pad, and is equipped with the seal groove that corresponds with first rubber packing pad on the second rubber packing pad, sets up the gas tightness that first rubber packing pad and second rubber packing pad improve the connection, increases the accuracy that gas concentration detected.
Compared with the prior art, the invention has the beneficial effects that: this detachable combustible gas leak detector has following benefit:
1. the suction nozzle is provided with a rubber protective cover, and is suitable for working in various severe environments;
2. the single chip microcomputer is preset with a threshold value and is fed back through sound and light, concentration change can be observed visually conveniently, and the gas leakage position can be positioned quickly;
3. be provided with the supplementary inspiration of miniature air pump, improve detection efficiency, through the fixed unit on top, can realize multiple fixed mode, the accessible is handheld to have U type fastening bolt to detect, also can fix and detect in pipeline department to utilize the connecting plate to place the instrument and use, satisfy multiple user demand, the practicality is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention.
In the figure: 1 single chip microcomputer, 2 instrument boxes, 3 probe units, 31 rubber protective covers, 32 suction nozzles, 33 hoses, 34 connectors, 4 fixing units, 41U-shaped fastening bolts, 42 connecting plates, 5 warning lamps, 6 display screens, 7 charging heads, 8 external connecting ports, 9 sliding covers, 10 gas detectors, 11 air inlet pipes, 12 dust blocking covers, 13 sound expansion holes, 14 hose clamps, 15 air outlets, 16 first rubber sealing gaskets, 17 second rubber sealing gaskets, 18 storage batteries, 19 miniature air pumps, 20 loudspeakers and 21 rheostat groups.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
example one
A detachable combustible gas leak detector comprises an instrument box 2, a probe unit 3 and a fixing unit 4; the instrument box 2 is of a cuboid structure and convenient to hold and place, a display screen 6 is installed above the front side face of the instrument box 2, the display screen 6 can display gas concentration information and a preset reminding threshold value on the display screen 6, a mounting groove is arranged below the front side face of the instrument box 2, a single chip microcomputer 1 is installed in the mounting groove and used for controlling the instrument and simultaneously processing various information and displaying the information on the display screen 6, a warning lamp 5 is installed on the left side face of the front side face of the instrument box 2 and used for prompting that combustible gas is detected, a storage battery 18 is installed in the instrument box 2, the storage battery 18 can be used in certain dangerous occasions, a charging head 7 is connected to the left side face of the storage battery 18, the charging head 7 is installed on the left side face of the instrument box 2 and used for charging the storage battery 18, a loudspeaker 20 is installed in the instrument box 2, and a sound expansion hole 13 is formed in the right side face of the instrument box 2 and at a position corresponding to the loudspeaker 20, when the concentration of the combustible gas reaches the preset threshold value of the single chip microcomputer 1, the loudspeaker 20 reminds that the concentration of the combustible gas is improved by one step when the concentration of the combustible gas is improved, the volume of the loudspeaker 20 is improved by one step, the gas concentration of a visual reaction part is changed, a miniature air pump 19 is installed below the inside of the instrument box 2, an air suction pipe of the miniature air pump 19 penetrates through the bottom of the instrument box 2 and is communicated with a gas detector 10, an air inlet of the gas detector 10 is connected with an air inlet pipe 11, an air outlet pipe of the miniature air pump 19 is communicated with an air outlet 15, during operation, the gas is sucked by the miniature air pump 19, concentration detection is carried out in the gas detector 10 through the air inlet pipe 11 and then flows out of the air outlet 15 through the miniature air pump 19, the air outlet 15 is arranged below the right side surface of the instrument box 2, an external connector 8 is arranged below the right side surface of the instrument box 2 and can be connected with an external power supply lamp controller through the external connector 8, the gas concentration information can be conveniently monitored when the gas concentration monitoring device is fixed on a pipeline for use; the probe unit 3 comprises a rubber protective cover 31, a suction nozzle 32, a hose 33 and a connector 34, wherein the connector 34 is installed at one end of the hose 33, the suction nozzle 32 is installed at the other end of the hose, the rubber protective cover 31 is installed on the suction nozzle 32, the probe unit 3 is connected with the air inlet pipe 11, areas which are difficult to reach can be detected by using the flexibility of the hose 33, the suction nozzle 32 can be protected by using the rubber protective cover 31, and the probe unit can adapt to severe environments; fixing element 4 includes U type fastening bolt 41 and connecting plate 42, the connecting plate 42 is installed on the top of instrument case 2, be equipped with the through-hole on the connecting plate 42, two U type fastening bolts 41 pass through the through-hole screw thread and are connected with the nut, fixing element 4 is used for fixing instrument case 2, at first, utilize U type fastening bolt 41 to fix instrument case 2 on the pipeline, can carry out the suspension type simultaneously and fix, can utilize the connecting plate 42 of I shape to place after dismantling U type fastening bolt 41, handheld inspection time measuring, then can directly hand instrument case 2 or carrying U type fastening bolt 41, it is very convenient to use, it is required to notice that, the direction of air inlet all the time need be towards the below, avoid getting into water or granule; the single chip microcomputer 1 is respectively and electrically connected with the storage battery 18 and the gas detector 10, and the single chip microcomputer 1 is respectively and electrically connected with the warning lamp 5, the display screen 6, the gas detector 10, the loudspeaker 20 and the miniature air pump 19.
Still include dust-proof cover 12 in this embodiment, dust-proof cover 12 is installed at the leading flank of instrument shelter 2, and rotate with instrument shelter 2 through the axis of rotation and be connected, dust-proof cover 12 is the transparent plastic lid, can protect display screen 6 not to destroy, and be applicable to in the adverse circumstances, be equipped with the buckle on the dust-proof cover 12, the corresponding position of instrument shelter 2 is equipped with the draw-in groove that corresponds with the buckle, the joint mode is convenient for open, still include hose clamp 14, hose clamp 14 is installed at the right flank of instrument shelter 2, the breach diameter of hose clamp 14 is less than the diameter of rubber safety cover 31, can fix rubber safety cover 31 on hose clamp 14 during the use, be convenient for settle probe unit 3 when using.
Example two
The difference between this embodiment and the first embodiment is that: the embodiment also comprises a sliding cover 9, the side edge of the sliding cover 9 is provided with a sliding strip, the inner wall of the mounting groove is provided with a sliding groove corresponding to the sliding strip, the sliding strip at the side edge of the sliding cover 9 is in sliding connection with the sliding groove at the inner wall of the mounting groove of the instrument box 2, the sliding cover 9 is utilized to protect the single chip microcomputer 1 from damage, the sliding cover can be opened when in use, the protection effect can be achieved when not in use, the operation is very convenient, the service life of the single chip microcomputer 1 is prolonged, the warning lamp 5 comprises seven small lamp beads, the seven small lamp beads are respectively and electrically connected with the single chip microcomputer 1, the seven small lamp beads are electrically connected with a variable resistor group 21, the variable resistor group 21 is connected inside the instrument box 2 and is electrically connected with the single chip microcomputer 1, the variable resistor group 21 is used for controlling the brightness of the small lamp beads, the gas concentration threshold value displayed by the single chip microcomputer 1 is provided with seven gradients, each gradient, the small lamp beads light upwards from bottom, and the single chip microcomputer 1 controls the brightness of the warning lamp 5 to light up through the variable resistor group 21, the concentration variation trend of the observation position can be visualized, the sensitivity is high, the use is convenient, and the leakage position can be quickly positioned.
EXAMPLE III
The difference between this embodiment and the first embodiment is that: the side of intake pipe 11 is equipped with the external screw thread in this embodiment, connector 34 and intake pipe 11 threaded connection, threaded connection's mode, be convenient for install fast and dismantle, wherein, still include first rubber packing pad 16 and second rubber packing pad 17, the side at intake pipe 11 is installed to first rubber packing pad 16, the tip at connector 34 is installed to second rubber packing pad 17, the diameter of second rubber packing pad 17 is greater than the diameter of first rubber packing pad 16, and be equipped with the seal groove that corresponds with first rubber packing pad 16 on the second rubber packing pad 17, utilize rubber packing pad 16 and second rubber packing pad 17 can improve the gas tightness of connection, increase the degree of accuracy that concentration detected, improve the detection precision of instrument.
When in use: a user holds the instrument box 2 by hand or lifts the U-shaped fastening bolt 41, then opens the micro air pump 19, holds the hose 33 by the other hand and sends the rubber protective cover 31 to the position of a pipeline to be detected, air enters the suction nozzle 32 from the rubber protective cover 31 and enters the air detector 10 along the hose 33 for concentration detection, then flows into the micro air pump 19 and is discharged from the air outlet 15, concentration information detected by the air detector 10 is fed back to the single chip microcomputer 1, the single chip microcomputer 1 displays the information on the display screen 6, when the air concentration reaches seven gradient threshold values preset by the single chip microcomputer 1, the single chip microcomputer 1 controls the loudspeaker 20 to emit prompt tones, meanwhile, lamp beads at the bottom end of the warning lamp 5 are lightened, the number of the lightened lamp beads corresponds to the gradient of the threshold value, then the user moves, and enables the rubber protective cover 31 to move along the pipeline, when the air concentration rises, the single chip microcomputer controls the rheostat group 21 to change, the brightness of the warning lamp 5 is increased along with the increase of the concentration, the number of the lighted lamp beads is increased along with the increase of the concentration, the volume of the loudspeaker 20 is increased along with the increase of the brightness, and the situation is opposite when the gas concentration is reduced.
It is to be noted that, in this embodiment, the specific model of the single chip microcomputer 1 is AT89C51, the model of the warning light 5 is preferably RGB lamp beads, the model of the display screen 6 is preferably LA060N01-SD01, the model of the gas detector 10 is preferably 4H2-4000, the model of the storage battery 18 is preferably 4V1AH4V1000MAH, the model of the micro air pump 19 is preferably RF-370CA-22170, the model of the speaker 20 is preferably TF-1368G, the model of the varistor group 21 is preferably EVM2NSX80B13, and the single chip microcomputer 1 controls the operation of the warning light 5, the display screen 6, the gas detector 10, the micro air pump 19, the varistor group 21 and the speaker 20 by using a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a detachable combustible gas leak detector which characterized in that: comprises an instrument box (2), a probe unit (3) and a fixing unit (4); the gas concentration monitoring instrument is characterized in that the instrument box (2) is of a cuboid structure, a display screen (6) is mounted above the front side face of the instrument box (2), a mounting groove is formed below the front side face of the instrument box (2), a single chip microcomputer (1) is mounted in the mounting groove, the single chip microcomputer (1) is used for controlling the instrument to be used, simultaneously processing various kinds of information and displaying the information on the display screen (6), the display screen (6) displays gas concentration information and a preset reminding threshold value, and seven gradients are set on the gas concentration threshold value displayed by the single chip microcomputer (1); the left side of the front side face of the instrument box (2) is provided with a warning lamp (5), a storage battery (18) is arranged in the instrument box (2), the left side of the storage battery (18) is connected with a charging head (7), and the charging head (7) is arranged on the left side face of the instrument box (2) and used for charging the storage battery (18); a loudspeaker (20) is installed inside the instrument box (2), a sound expansion hole (13) is formed in the position, corresponding to the loudspeaker (20), of the right side face of the instrument box (2), a miniature air pump (19) is installed below the inside of the instrument box (2), an air suction pipe of the miniature air pump (19) penetrates through the bottom of the instrument box (2) and is communicated with an air detector (10), an air inlet of the air detector (10) is connected with an air inlet pipe (11), an air outlet pipe of the miniature air pump (19) is communicated with an air outlet (15), the air outlet (15) is formed below the right side face of the instrument box (2), an external connecting port (8) is formed below the right side face of the instrument box (2), and the external connecting port (8) is connected with an external power lamp controller;
the probe unit (3) comprises a rubber protective cover (31), a suction nozzle (32), a hose (33) and a connector (34), the connector (34) is installed at one end of the hose (33), the suction nozzle (32) is installed at the other end of the hose, the rubber protective cover (31) is installed on the suction nozzle (32), and the probe unit (3) is connected with the air inlet pipe (11); the side surface of the air inlet pipe (11) is provided with external threads, and the connector (34) is in threaded connection with the air inlet pipe (11);
the fixing unit (4) comprises U-shaped fastening bolts (41) and a connecting plate (42), the connecting plate (42) is installed at the top end of the instrument box (2), through holes are formed in the connecting plate (42), and the two U-shaped fastening bolts (41) penetrate through the through holes and are connected with nuts through threads; the single chip microcomputer (1) is respectively and electrically connected with the storage battery (18) and the gas detector (10), and the single chip microcomputer (1) is respectively and electrically connected with the warning lamp (5), the display screen (6), the gas detector (10), the loudspeaker (20) and the miniature air pump (19);
the instrument box is characterized by further comprising a sliding cover (9), wherein a sliding strip is arranged on the side edge of the sliding cover (9), a sliding groove corresponding to the sliding strip is formed in the inner wall of the mounting groove, and the sliding strip on the side edge of the sliding cover (9) is in sliding connection with the sliding groove in the inner wall of the mounting groove of the instrument box (2); the sliding cover (9) protects the singlechip (1) from being damaged;
when the instrument box is used, a user holds the instrument box (2) by hand or lifts the U-shaped fastening bolt (41), then the miniature air pump (19) is opened, the other hand holds the hose (33) and sends the rubber protective cover (31) to the position of a pipeline to be detected, air enters the suction nozzle (32) from the rubber protective cover (31) and enters the air detector (10) along the hose (33), concentration detection is carried out, then the air flows into the miniature air pump (19) and is discharged from the air outlet (15), concentration information detected by the air detector (10) is fed back to the single chip microcomputer (1), the single chip microcomputer (1) displays the information on the display screen (6), when the air concentration reaches seven preset gradient threshold values of the single chip microcomputer (1), the single chip microcomputer (1) controls the loudspeaker (20) to emit prompt sound, meanwhile, the lamp beads at the bottom end of the warning lamp (5) are turned up, the number of the turned-up lamp beads corresponds to the gradient of the threshold values, then the user moves, the rubber protective cover (31) moves along the pipeline, when the gas concentration rises, the singlechip controls the rheostat group (21) to change, the brightness of the warning lamp (5) increases along with the rise of the concentration, the number of the lighted lamp beads increases along with the rise of the concentration, the volume of the loudspeaker (20) increases along with the increase of the volume, and when the gas concentration falls, the situation is opposite.
2. A removable combustible gas leak detector according to claim 1, wherein: still include first rubber packing pad (16) and second rubber packing pad (17), the side at intake pipe (11) is installed in first rubber packing pad (16), the tip at connector (34) is installed in second rubber packing pad (17), the diameter of second rubber packing pad (17) is greater than the diameter of first rubber packing pad (16), and is equipped with the seal groove that corresponds with first rubber packing pad (16) on second rubber packing pad (17), utilizes rubber packing pad (16) and second rubber packing pad (17) to improve the gas tightness of connecting.
3. A removable combustible gas leak detector according to any one of claims 1 or 2, wherein: the warning lamp (5) comprises seven small lamp beads, the seven small lamp beads are respectively electrically connected with the single chip microcomputer (1), the seven small lamp beads are electrically connected with a rheostat group (21), the rheostat group (21) is connected inside the instrument box (2) and electrically connected with the single chip microcomputer (1), and the rheostat group (21) controls the brightness of the small lamp beads.
4. A removable combustible gas leak detector according to claim 3, wherein: the dust-proof device is characterized by further comprising a dust-proof cover (12), wherein the dust-proof cover (12) is installed on the front side face of the instrument box (2) and is rotatably connected with the instrument box (2) through a rotating shaft, a buckle is arranged on the dust-proof cover (12), and a clamping groove corresponding to the buckle is arranged at the corresponding position of the instrument box (2); the dust cover (12) is a transparent plastic cover to protect the display screen (6) from being damaged.
5. A detachable combustible gas leak detector according to claim 4, characterized in that: the instrument box is characterized by further comprising a hose clamp (14), wherein the hose clamp (14) is installed on the right side face of the instrument box (2), and the diameter of a gap of the hose clamp (14) is smaller than that of the rubber protective cover (31).
CN201910681562.XA 2019-07-26 2019-07-26 Detachable combustible gas leak detector Active CN110440147B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11747233B2 (en) 2020-09-28 2023-09-05 Agilent Technologies, Inc. Gas leak detector cartridge
CN112242042B (en) * 2020-09-28 2022-04-26 上海嘉筠通信技术有限公司 Combustible gas detector with intelligent shopping function

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6318150B1 (en) * 1998-10-30 2001-11-20 Lennox Manufacturing Inc. Apparatus for sampling gas in a combustion appliance
WO2004061404A1 (en) * 2002-12-16 2004-07-22 Radiodetection Ltd. Leak detector and leak detection using helium or hydrogen as tracer gas
CN201570579U (en) * 2010-01-08 2010-09-01 四川省视频电子有限责任公司 Connector for equipping antenna
CN103558341A (en) * 2013-10-24 2014-02-05 北京承天示优科技有限公司 Combined type gas analysis and detection device
CN205301290U (en) * 2016-01-11 2016-06-08 北京安赛克科技有限公司 Pentahapto detector of personally experiencing sth. part of body at a stretch
CN206892072U (en) * 2017-06-27 2018-01-16 郑州天之润能源科技有限公司 A kind of detachable portable gas monitoring device
CN206930500U (en) * 2017-08-01 2018-01-26 郑州易测智能科技有限公司 A kind of pump suction gas monitoring modular
CN109085306A (en) * 2018-09-11 2018-12-25 福州市晋安区绿奇鑫环保科技有限公司 A kind of formaldehyde examination device
CN109490471A (en) * 2018-11-08 2019-03-19 湖南众从视频加信息科技有限公司 A kind of volatile organic matter on-line monitoring equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7487662B2 (en) * 2001-12-13 2009-02-10 The University Of Wyoming Research Corporation Volatile organic compound sensor system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6318150B1 (en) * 1998-10-30 2001-11-20 Lennox Manufacturing Inc. Apparatus for sampling gas in a combustion appliance
WO2004061404A1 (en) * 2002-12-16 2004-07-22 Radiodetection Ltd. Leak detector and leak detection using helium or hydrogen as tracer gas
CN201570579U (en) * 2010-01-08 2010-09-01 四川省视频电子有限责任公司 Connector for equipping antenna
CN103558341A (en) * 2013-10-24 2014-02-05 北京承天示优科技有限公司 Combined type gas analysis and detection device
CN205301290U (en) * 2016-01-11 2016-06-08 北京安赛克科技有限公司 Pentahapto detector of personally experiencing sth. part of body at a stretch
CN206892072U (en) * 2017-06-27 2018-01-16 郑州天之润能源科技有限公司 A kind of detachable portable gas monitoring device
CN206930500U (en) * 2017-08-01 2018-01-26 郑州易测智能科技有限公司 A kind of pump suction gas monitoring modular
CN109085306A (en) * 2018-09-11 2018-12-25 福州市晋安区绿奇鑫环保科技有限公司 A kind of formaldehyde examination device
CN109490471A (en) * 2018-11-08 2019-03-19 湖南众从视频加信息科技有限公司 A kind of volatile organic matter on-line monitoring equipment

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