CN207036826U - A kind of Portable combustible gas detector - Google Patents
A kind of Portable combustible gas detector Download PDFInfo
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- CN207036826U CN207036826U CN201720728911.5U CN201720728911U CN207036826U CN 207036826 U CN207036826 U CN 207036826U CN 201720728911 U CN201720728911 U CN 201720728911U CN 207036826 U CN207036826 U CN 207036826U
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- housing
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- combustible gas
- intake duct
- air
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Abstract
A kind of Portable combustible gas detector, including housing and it is connected to the air intake duct of housing upper end, vavuum pump is provided with the housing, sensor cluster is provided between the housing and air intake duct, the air admission hole of the vavuum pump is connected with sensor cluster, the steam vent of the vavuum pump is in communication with the outside, it is characterised in that：The filter assemblies that can be filtered to detected gas are additionally provided between the sensor cluster and air intake duct.By setting filter assemblies, gas is filtered first to it after air intake duct enters detector, can not only prevent large granular impurity from blocking gas channel, shorten the detector life-span, additionally it is possible to improve detection accuracy.
Description
Technical field
It the utility model is related to field of gas detection, and in particular to a kind of Portable combustible gas detector.
Background technology
With the rapid expansion of fuel gas application field, while the production to people, life bring great convenience,
Due to its inflammable and explosive characteristic so that the incidence of accident is also correspondingly improved, to the safety of life and property structure of people
Into great threat.To prevent trouble before it happens, the leakage to fuel gas, which is detected, just seems very necessary.
Combustible gas detector is to single or many combustible gases concentration-response detector, such as patent
CN205607974U (Patent No. ZL201620432292.0) is disclosed《A kind of sucking pump formula imflammable gas concentration detector》,
Including shell, minipump, capacitance touch screen, Ceramic cylinder block and single-chip microcomputer, locking key, set key are provided with the shell
And memory button, master control borad is provided with the shell, and the minipump is located in shell, the minipump and ceramics
Cylinder body is connected, and the Ceramic cylinder block is installed on shell, and the Ceramic cylinder block is connected with telescopic pipet, is set on the telescopic pipet
There is check valve, the Ceramic cylinder block inner surface is inlaid with combustible gas sensor, the combustible gas sensor circular array
Distribution, the single-chip microcomputer are installed on master control borad, the minipump, capacitance touch screen, locking key, set key, memory button
It is electrically connected with combustible gas sensor with master control borad.
The gas detecting instrument is easy to use, but following defect be present：1. gas holds from telescopic pipet between vavuum pump
Easy gas leakage, if air-tightness is bad, have a strong impact on the accuracy of testing result；2. detected gas often carries impurity,
Impurity, which enters in detector, can not only influence testing result, and large granular impurity meeting blocking pipeline passage, damage detector, influence
The accuracy of detection.
In addition, the portability and ease for use of detector, also play the role of to the implementation effect for detecting work it is very important,
Therefore it is a kind of using detecting instrument simple, easy to carry, that air-tightness is good, necessarily have broad application prospects.
Utility model content
Technical problem to be solved in the utility model is the present situation for prior art, there is provided one kind can be to being detected
The Portable combustible gas detector of gas filtration.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of Portable combustible gas detection
Instrument, including housing and the air intake duct for being connected to housing upper end, are provided with vavuum pump in the housing, the housing and air intake duct it
Between be provided with sensor cluster, the air admission hole of the vavuum pump is connected with sensor cluster, the steam vent of the vavuum pump with it is extraneous
Connection, it is characterised in that：It is additionally provided with detected gas can be filtered between the sensor cluster and air intake duct
Filter assemblies.
As a further improvement, the filter assemblies include filter and the first fixture, the filter assemblies and air-breathing
Air-breathing pipe connections are provided between pipe, the air intake duct is installed on air-breathing pipe connections, first fixture and the suction
Tracheae connector connects.Filter assemblies are connected with air intake duct, and in gas after air intake duct enters detector, it is carried out first
It filtering, can not only prevent large granular impurity from blocking gas channel, shorten the detector life-span, additionally it is possible to improve detection accuracy.
Improve again, the sensor cluster passes including sensor, the sensor circuit board being connected with sensor, for fixed
Sensor component and the second fixture being connected with sensor circuit board, described second fixture one end are connected with the first fixture,
The other end is connected with the housing.The fuel gas parameter information detected is passed to by master control borad by sensor.
Improve again, be provided with elastic sealing element in second fixture, to prevent fuel gas from revealing, influence testing result
Accuracy.
Improve again, the air admission hole of the vavuum pump is connected on elastic sealing element by the first pipeline；The vavuum pump
Steam vent is in communication with the outside by second pipe, and described second pipe one end is connected on steam vent, the other end through housing with
External world's connection.
Improve again, the housing includes protecgulum and drain pan, and the contact position of the protecgulum and drain pan is coated with encapsulated overcoat, prevents
Only protecgulum and drain pan contact position air-tightness are bad, influence testing result.
Be provided with the first sealing ring between the electrolysis of the air intake duct and the air-breathing pipe connections, first fixture with
The second sealing ring is provided between the electrolysis of the air-breathing pipe connections, first fixture crimps with second fixture
The 3rd sealing ring is provided between face, makes to coordinate closely between each part, further enhances air-tightness.
Improve again, master control borad is additionally provided with the housing, the master control borad is provided with display screen, connected on the protecgulum
There is transparency window, and the peep hole for observation display screen is provided with the protecgulum, the transparency window is adapted with the peep hole.It is aobvious
Display screen can show the gas concentration after detection, be advantageous to the fuel gas that user is more apparent from environment
Concentration.
And control panel is embedded with the protecgulum, the control panel is located at transparency window bottom, on the control panel
It is easy to use provided with the control button electrically connected with master control borad.Preferably, control panel snaps connection with protecgulum, prevent from growing
Time is come off using rear transparency window.
Improve again, the master control borad is provided with loudspeaker, and the sound wave for making loudspeaker is provided with the protecgulum and control panel
Outflow goes out acoustic aperture, to be reported to the gas information after detection, reminds staff, checks inspection constantly without staff
Survey instrument.The master control borad is provided with indicator lamp, and the transparency window is provided with mark, propagation of the mark positioned at pilot light line
On path, identify shinny under the irradiation of indicator lamp, be easy to staff to check.
Improve again, the master control borad is provided with the charging plug of connection external power source, the housing and encapsulated outer puts
The charging jacks passed through for external power source are provided with, the supply of detector electricity are realized, preferably, charging plug can connect for USB
Head；The housing bottom is provided with the connecting portion that can hang detector, and convenient to place detector, can hold will detect
Instrument is suspended in environment to be detected, easy to use.
Improve again, the air intake duct is the pipe fitting that is made up, can bend of elastomeric material, with larger suitable for various spaces
Or less occasion, and be convenient for carrying.
Compared with prior art, the advantages of the utility model：The 1st, filter assemblies are set, gas is entered through air intake duct and detect
After instrument, it is filtered first, can not only prevent large granular impurity from blocking gas channel, shortens the detector life-span, moreover it is possible to
It is enough to improve detection accuracy；2nd, by setting elastic sealing element, encapsulated overcoat and sealing ring etc., the air-tightness of detector is strengthened,
Accuracy of detection is improved, the life security that staff is effectively ensured is not encroached on, and production equipment is not suffered a loss；3rd, air-breathing pipe
It is flexible can free folding, be convenient for carrying, suitable for the occasion of various space sizes.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of the other direction of the utility model embodiment；
Fig. 3 is Fig. 1 sectional view；
Fig. 4 is the sectional view of Fig. 1 other direction.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figures 1-4, it is preferred embodiment of the present utility model.
A kind of Portable combustible gas detector includes housing 1 and is connected to the suction for being capable of free folding of the upper end of housing 1
Tracheae 3, housing 1 include protecgulum 11 and drain pan 12, and protecgulum 11 and drain pan 12 are connected by screw, and master control borad 14 is provided with housing 1
And the vavuum pump 15 and power supply 6 electrically connected respectively with master control borad 14.Master control borad 14 is fixedly connected by screw with drain pan 12, and
Rubber washer is provided between master control borad 14 and drain pan 12, the first fixed mount 154 and the second fixed mount 61 are additionally provided with cavity 13, very
Empty pump 15 is fixedly connected by the first fixed mount 154 with drain pan 12, and power supply 6 is fixed by the second fixed mount 61 with drain pan 12 to be connected
Connect.In the present embodiment, air intake duct 3 is gooseneck, is made up of elastomeric material, and two layers of pyrocondensation transparent pipe of gooseneck outer cladding.
Air intake duct 3 is installed on air-breathing pipe connections 31, and filter assemblies and sensor are provided between housing 1 and air intake duct 3
Component, wherein filter assemblies include the filter 42 that the first fixture 41 is installed on the first fixture 41, the first fixture 41
It is threadedly coupled with air-breathing pipe connections 31.In the present embodiment, filter 42 is pin hole filter.
Wherein sensor cluster passes including sensor 51, the sensor circuit board 52 being connected with sensor 51, for fixed
Sensor component and the second fixture 53 being connected with sensor circuit board 52 and the elastic packing in the second fixture 53
Part 54, sensor circuit board 52 are electrically connected with master control borad 14, and the one end of the second fixture 53 is threadedly coupled with the first fixture 41, separately
One end is threadedly coupled with housing 1.
The air admission hole of vavuum pump 15 is connected on elastic sealing element 54 by the first pipeline 151, the steam vent of vavuum pump 15
It is in communication with the outside by second pipe 152, the one end of second pipe 152 is connected on steam vent, and the other end passes through housing 1 and the external world
Connection.To make second pipe 152 and miscellaneous part secure fit, pipeline fixer 153 is provided with housing 1, the pipeline is fixed
The one end of part 153 is the cylindrical hole plugged for second pipe 152, and the other end is threadedly coupled with housing 1.
To be further ensured that the air-tightness of detector is good, encapsulated overcoat is coated with the contact position of protecgulum 11 and drain pan 12
16；The first sealing ring 101 is provided between the electrolysis of air intake duct 3 and air-breathing pipe connections 31, the first fixture 41 connects with air intake duct
It is provided with the second sealing ring 102 between the electrolysis of fitting 31, the is provided between the electrolysis of the first fixture 41 and the second fixture 53
Three sealing rings 103.
Master control borad 14 is provided with the charging plug 144 of connection external power source, and it is outer that confession is provided with housing 1 and encapsulated overcoat 16
The charging jacks 19 that portion's power supply passes through, preferably, charging plug 144 can be USB joint, stopple is additionally provided with charging jacks 19
191；The bottom of housing 1 is provided with the connecting portion 20 that can hang detector, and the connecting portion 20 is threadedly coupled with housing 1, convenient to place
Detector, can hold can also be suspended on detector in environment to be detected, easy to use.
Master control borad 14 is provided with display screen 141, and transparency window 17 is connected with protecgulum 11, and is provided with protecgulum 11 aobvious for observation
The peep hole 172 of display screen 141, transparency window 17 are adapted with peep hole 172, and display screen 141 can be shown after detection
Gas concentration, be advantageous to the combustable gas concentration that user is more apparent from environment；And control is embedded with protecgulum 11
Panel 18, control panel 18 are located at the bottom of transparency window 17, and control panel 18 is provided with the control button electrically connected with master control borad 14
182, such as switch switch or upper and lower key；Indicator lamp 143 is additionally provided with master control borad 14, transparency window 17 is provided with right with indicator lamp 143
The mark 171 answered, the light of indicator lamp 143 is through mark 171 so that it luminous is easy to watch；For convenience of remind staff,
Master control borad 14 is provided with loudspeaker 142, be provided with protecgulum 11 and control panel 18 spread out of the sound wave of loudspeaker 142 go out acoustic aperture
181, to be reported to the gas information after detection, detector is checked constantly without staff.
Although preferred embodiment of the present utility model described in detail above, it is to be clearly understood that for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of Portable combustible gas detector, including housing (1) and the air intake duct (3) for being connected to housing (1) upper end, described
Vavuum pump (15) is provided with housing (1), sensor cluster, the vavuum pump are provided between the housing (1) and air intake duct (3)
(15) air admission hole is connected with sensor cluster, and the steam vent of the vavuum pump (15) is in communication with the outside, it is characterised in that：It is described
The filter assemblies that can be filtered to detected gas are additionally provided between sensor cluster and air intake duct (3).
2. Portable combustible gas detector according to claim 1, it is characterised in that：The filter assemblies include first
Fixture (41) and the filter (42) being installed on the first fixture (41), set between the filter assemblies and air intake duct (3)
Have air-breathing pipe connections (31), the air intake duct (3) is installed on air-breathing pipe connections (31), first fixture (41) with
Air-breathing pipe connections (31) connection.
3. Portable combustible gas detector according to claim 2, it is characterised in that：The sensor cluster includes passing
Sensor (51), the sensor circuit board (52) being connected with sensor (51), for fix sensor cluster and and sensor circuit
The second fixture (53) of plate (52) connection, described second fixture (53) one end are connected with the first fixture (41), the other end
It is connected with the housing (1).
4. Portable combustible gas detector according to claim 3, it is characterised in that：In second fixture (53)
Provided with elastic sealing element (54).
5. Portable combustible gas detector according to claim 4, it is characterised in that：The air inlet of the vavuum pump (15)
Hole is connected on elastic sealing element (54) by the first pipeline (151)；The steam vent of the vavuum pump (15) passes through second pipe
(152) it is in communication with the outside, described second pipe (152) one end is connected on steam vent, and the other end connects through housing (1) with extraneous
It is logical.
6. Portable combustible gas detector according to claim 3, it is characterised in that：The housing (1) includes protecgulum
(11) and drain pan (12), the protecgulum (11) and the contact position of drain pan (12) are coated with encapsulated overcoat (16)；The air intake duct (3)
Be provided with the first sealing ring (101) between the electrolysis of the air-breathing pipe connections (31), first fixture (41) with it is described
The second sealing ring (102) is provided between the electrolysis of air-breathing pipe connections (31), first fixture (41) is solid with described second
Determine to be provided with the 3rd sealing ring (103) between the electrolysis of part (53).
7. Portable combustible gas detector according to claim 6, it is characterised in that：Also set up in the housing (1)
There is master control borad (14), the master control borad (14) is provided with display screen (141), transparency window (17) is connected with the protecgulum (11),
And the peep hole (172) for observation display screen (141) is provided with the protecgulum (11), the transparency window (17) and the peep hole
(172) it is adapted；Control panel (18) is embedded with the protecgulum (11), the control panel (18) is located under transparency window (17)
Portion, the control panel (18) are provided with the control button (182) electrically connected with master control borad (14).
8. Portable combustible gas detector according to claim 7, it is characterised in that：The master control borad (14) is provided with
Loudspeaker (142), be provided with the protecgulum (11) and control panel (18) spread out of the sound wave of loudspeaker (142) go out acoustic aperture
(181)；The master control borad (14) is provided with indicator lamp (143), and the transparency window (17) is provided with mark (171), the mark
(171) on indicator lamp (143) light propagation path.
9. Portable combustible gas detector according to claim 7, it is characterised in that：The master control borad (14) is provided with
The charging plug (144) of external power source is connected, is provided with what is passed through for external power source on the housing (1) and encapsulated overcoat (16)
Charging jacks (19)；Housing (1) bottom is provided with the connecting portion (20) that can hang detector.
10. Portable combustible gas detector according to claim 1, it is characterised in that：The air intake duct (3) is by bullet
The pipe fitting that property material is made, can bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728911.5U CN207036826U (en) | 2017-06-21 | 2017-06-21 | A kind of Portable combustible gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728911.5U CN207036826U (en) | 2017-06-21 | 2017-06-21 | A kind of Portable combustible gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036826U true CN207036826U (en) | 2018-02-23 |
Family
ID=61468710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720728911.5U Active CN207036826U (en) | 2017-06-21 | 2017-06-21 | A kind of Portable combustible gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752506A (en) * | 2019-02-28 | 2019-05-14 | 北京安富伟业消防安全检测有限公司 | Combustible gas detector |
| CN111551519A (en) * | 2020-05-19 | 2020-08-18 | 武汉奥博奥科技有限公司 | Oxygen detection vertical cavity surface emitting laser |
-
2017
- 2017-06-21 CN CN201720728911.5U patent/CN207036826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752506A (en) * | 2019-02-28 | 2019-05-14 | 北京安富伟业消防安全检测有限公司 | Combustible gas detector |
| CN111551519A (en) * | 2020-05-19 | 2020-08-18 | 武汉奥博奥科技有限公司 | Oxygen detection vertical cavity surface emitting laser |
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