CN209624555U

CN209624555U - A kind of portable gas detecting instrument

Info

Publication number: CN209624555U
Application number: CN201920338812.5U
Authority: CN
Inventors: 查晓君; 葛智敏; 查桂荣
Original assignee: Anhui Xinrun Measurement And Control Co Ltd
Current assignee: Anhui Xinrun Measurement And Control Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2019-11-12
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a kind of portable gas detecting instruments, including shell, total collection chamber is equipped in the shell, total collection chamber is divided into four closed diversity gas chambers, each diversity gas chamber upper end is communicated with branched inlet pipe, and four branched inlet pipes are all connected to main air inlet pipe, and the main air inlet pipe stretches out hull outside, aspiration pump is installed, the main air inlet pipe threaded upper ends are connected with end cap in the main air inlet pipe.The utility model is small in size, light, is convenient for carrying, and shell lower semisection left and right ends are recessed inwardly and recess is bonded with anti-skid rubber cushion, meets ergonomics setting, facilitates human hand held, improves comfort；The gas of detection is filtered by anti-dust filter mesh first, and particulate dust is avoided to enter in diversity gas chamber, influences detection accuracy and gas sensor is caused to damage；One or more gases can be carried out simultaneously to be detected, it is more convenient to use quick, and the region detection that every kind of gas point is different, improve detection accuracy.

Description

A kind of portable gas detecting instrument

Technical field

The utility model relates to gas detection equipment technical field, specially a kind of portable gas detecting instrument.

Background technique

Gas detecting instrument is a kind of instrument and meter tool of gas leakage Concentration Testing.Existing majority of gas inspection at present Surveying instrument, structure is complicated, uses and carries up and is not very convenient, especially when being gone out at any time to gas detection test, by It is not readily portable greatly in its volume and excessively cumbersome in the detection process to common gas, so that detection efficiency is low, into And influence detection accuracy.For this purpose, we release a kind of portable gas detecting instrument.

Utility model content

The purpose of this utility model is to provide a kind of portable gas detecting instruments, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of portable gas detecting instrument, including shell Body, the shell is interior to be equipped with total collection chamber, and total collection chamber is divided into four closed diversity gas chambers, each diversity gas chamber Upper end is communicated with branched inlet pipe, and four branched inlet pipes are all connected to main air inlet pipe, and the main air inlet pipe is stretched out outside shell Portion, aspiration pump is equipped in the main air inlet pipe, and the main air inlet pipe threaded upper ends are connected with end cap, are embedded in the middle part of the end cap There is anti-dust filter mesh, gas sensor is mounted in each diversity gas chamber, the shell leading flank is equipped with alarm lamp, The case inside and be located at total collection chamber lower end fixed plate is installed, be equipped in the fixed plate central processing unit, storage Module, power supply, buzzer and key, the memory module, power supply, buzzer and alarm lamp electrically connect with central processing unit It connects, shell leading flank upper end is embedded with display screen.

Preferably, it is mounted on valve on four branched inlet pipes, the valve is electrically connected with the central processing unit.

Preferably, four gas sensors are respectively combustible gas sensor, oxygen sensor, hydrogen sulfide sensor And carbon monoxide transducer.

Preferably, the 1 lower semisection left and right ends of shell are recessed inwardly and recess is bonded with anti-skid rubber cushion.

Preferably, the gas sensor is connected to central processing unit by A/D converter, and the display screen and key are equal Central processing unit is connected to by I/O interface.

Preferably, the shell leading flank offers acoustic aperture out compatible with buzzer and matches with key logical Hole.

Preferably, four diversity gas chamber lower ends pass through branched discharge pipe and are connected with main exhaust, the main exhaust Stretch out hull outside.

Compared with prior art, the utility model has the beneficial effects that 1, it is small in size, light, be convenient for carrying, shell lower half Section left and right ends are recessed inwardly and recess is bonded with anti-skid rubber cushion, meet ergonomics setting, facilitate human hand held, improve Comfort；

2, the gas detected is filtered by anti-dust filter mesh first, and particulate dust is avoided to enter in diversity gas chamber, It influences detection accuracy and gas sensor is caused to damage；

3, one or more gases can be carried out simultaneously to be detected, it is more convenient to use quick, detection efficiency is improved, and And the region detection that every kind of gas point is different, improve detection accuracy.

Detailed description of the invention

Fig. 1 is the utility model schematic view of the front view；

Fig. 2 is that structural schematic diagram is cutd open in the utility model side；

Fig. 3 is the utility model end cover structure schematic diagram；

Fig. 4 is the utility model electrical relationship connection schematic diagram.

In figure: 1 shell, 2 diversity gas chambers, 3 branched inlet pipes, 4 main air inlet pipes, 5 aspiration pumps, 6 end caps, 7 anti-dust filter meshes, 8 Gas sensor, 9 fixed plates, 10 central processing units, 11 memory modules, 12 power supplys, 13 buzzers, 14 display screens, 15 alarm lamps, 16 keys, 17 main exhausts.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of portable gas detecting instrument, including shell 1, the shell 1 is interior to be equipped with total collection chamber, and total collection chamber is divided into four closed diversity gas chambers 2, each diversity gas 2 upper end of room is communicated with branched inlet pipe 3, and four branched inlet pipes 3 are all connected to main air inlet pipe 4, and the main air inlet pipe 4 is stretched out Outside shell 1, aspiration pump 5 is installed, 4 threaded upper ends of main air inlet pipe are connected with end cap 6, described in the main air inlet pipe 4 It is embedded with anti-dust filter mesh 7 in the middle part of end cap 6, is mounted on gas sensor 8 in each diversity gas chamber 2, before the shell 1 Side is equipped with alarm lamp 15,1 inside of shell and is located at total collection chamber lower end and is equipped with fixed plate 9, in the fixed plate 9 Central processing unit 10, memory module 11, power supply 12, buzzer 13 and key 16 be installed, the memory module 11, power supply 12, Buzzer 13 and alarm lamp 15 are electrically connected with central processing unit 10, and the 1 leading flank upper end of shell is embedded with display screen 14.

Specifically, being mounted on valve on four branched inlet pipes 3, the valve electrically connects with central processing unit 10 It connects, by the opening and closing of valve, 3 inlet channel of branched inlet pipe can be closed, any one or more diversity gas chambers 2 of detection may be selected Interior gas content.

Specifically, four gas sensors 8 are respectively combustible gas sensor, oxygen sensor, hydrogen sulfide sensing Device and carbon monoxide transducer can detect four kinds of gas contents simultaneously.

Specifically, the 1 lower semisection left and right ends of shell are recessed inwardly and recess is bonded with anti-skid rubber cushion, meet Ergonomics setting, facilitates human hand held, improves comfort.

Specifically, the gas sensor 8 is connected to central processing unit 10,14 He of display screen by A/D converter Key 16 is connected to central processing unit 10 by I/O interface.

Specifically, 1 leading flank of shell offers acoustic aperture out compatible with buzzer 13 and matches with key 16 Through-hole.

Specifically, four 2 lower ends of diversity gas chamber pass through branched discharge pipe and are connected with main exhaust 17, the main exhaust Pipe 17 stretches out outside shell 1.

Specifically, in use, the gaseous species detected as needed, selection are opened the valve on corresponding branched inlet pipe 3, are led to The air that crossing aspiration pump 5 will test in region sucks in main air inlet pipe 4 after anti-dust filter mesh 7 filters particulate dust, leads to The setting that end cap 6 is threaded in main air inlet pipe 4 is crossed, when the dust of attachment is more on 7 surface of anti-dust filter mesh, is conveniently removed Cleaning prevents from influencing subsequent gases acquisition, detection, then is entered in each diversity gas chamber 2 by branched inlet pipe 3, passes through each point Gas sensor 8 in collection chamber 2 acquires the content value of corresponding gas, is converted to digital signal by A/D converter and is sent to Central processing unit 10 is shown by display screen 14, is stored data by memory module 11, when gas is more than setting value When, buzzer 13 and alarm lamp 15 can be sounded simultaneously, be lighted.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of portable gas detecting instrument, including shell (1), it is characterised in that: total collection chamber is equipped in the shell (1), Total collection chamber is divided into four closed diversity gas chambers (2), and each diversity gas chamber (2) upper end is communicated with branched inlet pipe (3), four branched inlet pipes (3) are all connected to main air inlet pipe (4), and the main air inlet pipe (4) stretches out shell (1) outside, institute It states and is equipped on main air inlet pipe (4) aspiration pump (5), main air inlet pipe (4) threaded upper ends are connected with end cap (6), the end cap (6) middle part is embedded with anti-dust filter mesh (7), is mounted on gas sensor (8), the shell in each diversity gas chamber (2) Body (1) leading flank is equipped with alarm lamp (15), is equipped with fixed plate (9) on the inside of the shell (1) and positioned at total collection chamber lower end, Central processing unit (10), memory module (11), power supply (12), buzzer (13) and key are installed on the fixed plate (9) (16), the memory module (11), power supply (12), buzzer (13) and alarm lamp (15) electrically connect with central processing unit (10) It connects, shell (1) the leading flank upper end is embedded with display screen (14).

2. a kind of portable gas detecting instrument according to claim 1, it is characterised in that: four branched inlet pipes (3) On be mounted on valve, the valve and central processing unit (10) are electrically connected.

3. a kind of portable gas detecting instrument according to claim 1, it is characterised in that: four gas sensors It (8) is respectively combustible gas sensor, oxygen sensor, hydrogen sulfide sensor and carbon monoxide transducer.

4. a kind of portable gas detecting instrument according to claim 1, it is characterised in that: shell (1) lower semisection is left Right inward at both ends side is recessed and recess is bonded with anti-skid rubber cushion.

5. a kind of portable gas detecting instrument according to claim 1, it is characterised in that: the gas sensor (8) is logical It crosses A/D converter to be connected to central processing unit (10), the display screen (14) and key (16) are connected to by I/O interface Central processing unit (10).

6. a kind of portable gas detecting instrument according to claim 1, it is characterised in that: shell (1) leading flank is opened Equipped with acoustic aperture out compatible with buzzer (13) and the through-hole to match with key (16).

7. a kind of portable gas detecting instrument according to claim 1, it is characterised in that: four diversity gas chambers (2) Lower end passes through branched discharge pipe and is connected with main exhaust (17), and it is external that the main exhaust (17) stretches out shell (1).