CN218938232U

CN218938232U - Gas detection instrument

Info

Publication number: CN218938232U
Application number: CN202222833428.7U
Authority: CN
Inventors: 李�赫; 冯贺林; 郭成; 崔振伟; 吕丽萍
Original assignee: Shenyang Purui Environmental Protection Technology Co ltd
Current assignee: Shenyang Purui Environmental Protection Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-28
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a gas detection instrument, which relates to the technical field of gas detection and aims to solve the problem that dust is easy to accumulate when an air inlet of the gas detection instrument is arranged towards the outer side, and detection precision is affected.

Description

Gas detection instrument

Technical Field

The utility model relates to the technical field of gas detection, in particular to a gas detection instrument.

Background

The gas detection instrument is an instrument tool for detecting the gas leakage concentration, and mainly utilizes a gas sensor arranged in the gas detection instrument to detect the gas types and the gas concentration in the environment, so as to judge whether the gas leaks according to detected data. Gas detection instruments are commonly used to detect oxygen, hydrogen sulfide, carbon monoxide, flammable gases, and the like.

When the gas detection instrument is used, most of the gas in the environment needs to be pumped into the gas detection instrument through the air pump, the gas is detected by the gas sensor in the gas detection instrument, the air inlet on the gas detection instrument is directly oriented to the outer side and is fixed in position, when the gas detection instrument is not used for a long time, dust is easy to accumulate at the air inlet, and when the gas detection instrument is used again, dust is pumped in along with the gas under the action of the air pump, and then the dust can easily fall onto the probe of the gas sensor and be pumped into the air pump, so that the detection precision of the gas sensor and the operation of the air pump can be influenced, the detection precision of the gas detection instrument is reduced, and the fault rate of the air pump is increased.

Disclosure of Invention

In order to solve the problem that dust is easy to accumulate when an air inlet of a gas detection instrument faces to the outer side, and detection accuracy is affected, the utility model provides a gas detection instrument which comprises a shell, a detection device is arranged in the shell, a through groove is formed in the top of the shell, a connecting column is rotatably connected in the shell, the connecting column is arranged above the detection device, the side wall of the connecting column extends out of the shell from the through groove, and an air inlet penetrating through the connecting column is formed in the side wall of the connecting column.

Through adopting above-mentioned technical scheme, rotate the spliced pole and can change the position of air inlet, when carrying out the detection, rotate the spliced pole, make the air inlet towards the upside of casing, the air inlet is exposed by logical groove promptly, and then just can make the gas in the casing outside by the air inlet by taking in the casing in detect, when not needing to detect, rotate the spliced pole, make the both ends of air inlet all towards the inside of casing, the air inlet does not expose in the outside of casing promptly, the deposition of air inlet department has been avoided, further avoided the deposition can be taken in the casing inside, the problem that causes the influence to detection device, improve the detection precision of gas detection instrument does, simultaneously, also can avoid deposition to cause the influence to other components inside the casing.

The utility model is further provided with: one end of the connecting column is connected with an adjusting rod, one end of the adjusting rod, which is away from the connecting column, extends out of the shell, and one end of the adjusting rod, which is away from the connecting column, is connected with an adjusting head.

Through adopting above-mentioned technical scheme, through adjusting the cooperation of pole with adjusting the head, can more conveniently rotate the spliced pole, make the position of air inlet can more conveniently adjust.

The utility model is further provided with: the detection device comprises a sealing box, the side wall of the connecting column extends into the sealing box from an opening of the sealing box, an air pump is arranged below the sealing box, an air extracting opening of the air pump is communicated with the sealing box, and an air outlet of the air pump extends out of the shell.

Through adopting above-mentioned technical scheme, through the aspiration pump, can be with the gaseous suction of in the environment to the seal box by the air inlet in, and then detect in the seal box, further assurance gas detection instrument's detection precision.

The utility model is further provided with: the bottom of the sealing box is connected with a plurality of gas sensors for outputting detection signals, the output ends of the gas sensors are connected with a central processing unit, the central processing unit is used for receiving the detection signals and outputting control signals based on the detection signals, and the output ends of the central processing unit are connected with a display screen, a photoelectric unit and a sound unit.

Through adopting above-mentioned technical scheme, a plurality of gas sensor can realize the detection function to different gases, and then different gas sensor can be to central processing unit output different detected signal, and central processing unit outputs different control signal based on the detected signal that does not use, and different control signal can control photoelectric unit and sound unit respectively to realize the detection function to different gases.

The utility model is further provided with: the back of the shell is provided with a belt clip.

Through adopting above-mentioned technical scheme, can make gaseous detecting instrument press from both sides in the clothes pocket or on the trousers area through the area clamp, make gaseous detecting instrument more convenient a little carry.

The utility model is further provided with: the back of casing has seted up the screw hole, threaded hole threaded connection has the telescopic link.

Through adopting above-mentioned technical scheme, when encountering the indiscriminate detection personnel of pipeline and going in time the detection environment, can be connected to screw hole with the telescopic link, use the flexible function of telescopic link to send into gaseous detecting instrument, make gaseous detecting instrument can adapt to more different detection environment.

The beneficial technical effects of the utility model are as follows:

1. the position of air inlet can be adjusted through the spliced pole, has avoided air inlet department deposition, has further avoided deposition can be taken in inside the casing, causes the problem of influence to detection device, improves gas detection instrument's detection precision, simultaneously, also can avoid deposition to cause the influence to other components inside the casing.

2. Through setting up the telescopic link, can make gas detection instrument adapt to more different detection environment, make some difficult place that gets into also can be detected.

Drawings

Fig. 1 shows a schematic structure of the present utility model.

Fig. 2 shows a partial cross-sectional view of the present utility model.

Fig. 3 shows a schematic structural view of the utility model after installation of the telescopic rod.

Reference numerals: 1. a housing; 11. a through groove; 12. a display screen; 13. a photovoltaic unit; 14. a sound unit; 15. a threaded hole; 151. a telescopic rod; 16. a belt clip; 2. a connecting column; 21. an air inlet; 3. an adjusting rod; 31. adjusting the head; 4. a detection device; 41. a seal box; 411. a gas sensor; 42. an air extracting pump; 43. a mounting plate; 44. and a central processing unit.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

The utility model provides a gas detection instrument, which comprises a shell 1, wherein a detection device 4 is arranged in the shell 1 and used for detecting gas pumped into the shell 1, a rectangular through groove 11 is formed in the top of the shell 1, a cylindrical connecting column 2 is rotatably connected in the shell 1, the length of the connecting column 2 is the same as that of the through groove 11, the side wall of the connecting column 2 extends out of the shell 1 from the through groove 11, a plurality of air inlets 21 are formed in the side wall of the connecting column 2, the air inlets 21 penetrate through the connecting column 2 and are arranged in a straight shape along the length direction of the connecting column 2, and the positions of the air inlets 21 can be adjusted by rotating the connecting column 2.

One end fixedly connected with of spliced pole 2 adjusts pole 3, adjusts the one end that 3 deviates from spliced pole 2 and stretches out casing 1 setting by the side surface of casing 1, adjusts the one end integration that 3 stretches out casing 1 and is provided with adjusting head 31, adjusts head 31 and can conveniently rotate and adjust pole 3, and then realizes drive spliced pole 2 pivoted purpose to make the air inlet 21 position on the spliced pole 2 can obtain adjusting.

The detection device 4 comprises a sealing box 41 fixedly connected to the inside of the shell 1, the sealing box 41 is arranged below the connecting column 2, the side wall of the connecting column 2 extends into the sealing box 41 from the top of the sealing box 41, and when the connecting column 2 is rotated to enable the air inlet 21 to extend out of the shell 1 from the through groove 11, the other end of the air inlet 21 can be just located in the sealing box 41, so that air pumped in by the air inlet 21 can enter the sealing box 41.

The below of seal box 41 is provided with mounting panel 43, mounting panel 43 fixed connection is on the inside of casing 1, installs aspiration pump 42 on mounting panel 43, and aspiration pump 42 can adopt electron miniature aspiration pump 42, and electron miniature aspiration pump 42 is small, power consumptive little, operating condition is stable, and on the aspiration port of aspiration pump 42 was linked together to seal box 41, the casing 1 was stretched out by the side surface of casing 1 to the gas outlet of aspiration pump 42, when aspiration pump 42 during operation, can be with the gas in the environment by the air inlet 21 suction in the seal box 41 on the spliced pole 2.

The bottom of the sealing box 41 is fixedly connected with a plurality of gas sensors 411 with different signals, such as an MQ136 sensor, an MQ-7 sensor and a combustible gas sensor, and the sensors with different types can be used for detecting different gases, and the types of the gas sensors 411 can be adaptively adjusted according to working requirements, so that the method is not particularly limited. The probe of the gas sensor 411 is arranged inside the sealing box 41, and the connection contact of the gas sensor 411 extends out of the sealing box 41. The mounting board 43 is provided with a central processor 44, the central processor 44 is a PLC (programmable logic controller), a contact of the gas sensor 411 is electrically connected with an input end of the central processor 44, so that the gas sensor 411 outputs a detection signal to the central processor 44, the central processor 44 outputs a control signal based on the detection signal, an output end of the central processor 44 is electrically connected with the display screen 12, the photoelectric unit 13 and the sound unit 14, wherein the photoelectric unit 13 is an indicator lamp, the sound unit 14 is a buzzer, and the photoelectric unit 13 and the sound unit 14 are both arranged on the front surface of the shell 1.

The central processing unit 44 outputs different control signals according to different detection signals output by different gas sensors 411, so as to realize the respective control of the display screen 12, the photoelectric unit 13 and the sound unit 14, so that the concentration value of the detected gas can be displayed on the display screen 12, the detected gas condition can be known through the reaction of the photoelectric unit 13 and the sound unit 14, and further, whether the gas in the detected environment is dangerous or not can be judged, and the effect of alarming to the detection personnel can be achieved.

The back integration of casing 1 is provided with belt clamp 16, and belt clamp 16 can make the inspector press from both sides gas detection instrument in the clothes pocket or on the trousers area, makes gas detection instrument more convenient to carry. The back of casing 1 has still been seted up screw hole 15, screw hole 15 internal thread connection has telescopic link 151, when the detection environment that the indiscriminate inspector of meetting the pipeline did not get into, can be with telescopic link 151 to screw hole 15 in, use the flexible function of telescopic link 151 to send the gas detection instrument into, make the gas detection instrument can adapt to more different detection environment, when not needing telescopic link 151, can also pull down telescopic link 151, can not cause any influence to the use of gas detection instrument.

In summary, the position of the air inlet 21 can be adjusted through the connecting column 2, so that dust accumulation at the air inlet 21 is avoided, the problem that the dust accumulation can be pumped into the shell 1 to influence the detection device 4 is further avoided, the detection precision of the gas detection instrument is improved, and meanwhile, the influence of the dust accumulation on other elements in the shell 1 can be avoided. By arranging the telescopic rod 151, the gas detection instrument can adapt to more different detection environments, and places where some people are not easy to enter can be detected.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and in particular, the technical features set forth in the various embodiments may be combined in any manner so long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

In the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims

1. The utility model provides a gas detection instrument, is including casing (1), casing (1) inside is provided with detection device (4), its characterized in that: the utility model discloses a detecting device, including casing (1), spliced pole (2), connecting column (2), casing (1) is seted up at the top of casing (1), the inside rotation of casing (1) is connected with spliced pole (2), spliced pole (2) set up the top of detection device (4), the lateral wall of spliced pole (2) by logical groove (11) stretches out casing (1), air inlet (21) of penetrating spliced pole (2) have been seted up on the lateral wall of spliced pole (2).

2. A gas detection apparatus according to claim 1, wherein: one end of the connecting column (2) is connected with an adjusting rod (3), one end of the adjusting rod (3) deviating from the connecting column (2) extends out of the shell (1) to be arranged, and one end of the adjusting rod (3) deviating from the connecting column (2) is connected with an adjusting head (31).

3. A gas detection apparatus according to claim 1, wherein: the detection device (4) comprises a sealing box (41), the side wall of the connecting column (2) stretches into the sealing box (41) through an opening of the sealing box (41), an air pump (42) is arranged below the sealing box (41), an air pumping opening of the air pump (42) is communicated with the sealing box (41), and an air outlet of the air pump (42) stretches out of the shell (1).

4. A gas detection apparatus according to claim 3, wherein: the bottom of the sealing box (41) is connected with a plurality of gas sensors (411) for outputting detection signals, the output end of each gas sensor (411) is connected with a central processing unit (44), the central processing unit (44) is used for receiving the detection signals and outputting control signals based on the detection signals, and the output end of the central processing unit (44) is connected with a display screen (12), a photoelectric unit (13) and a sound unit (14).

5. A gas detection apparatus according to claim 1, wherein: a belt clip (16) is arranged on the back of the shell (1).

6. A gas detection apparatus according to claim 5, wherein: the back of casing (1) has seted up screw hole (15), screw hole (15) internal thread is connected with telescopic link (151).