Gas detection device

Abstract

The utility model is applicable to the technical field of gas detection, and provides a gas detection device which comprises a device main body, a display mounted on the device main body and a detection module mounted in the device main body, a groove is further formed in the top end of the device main body, and the detection module is mounted in the groove. An air exhaust assembly is further arranged in the groove and located above the detection module, the air exhaust assembly comprises a shell, a pressing column, an elastic unit, an air bag and an air pipe, when the detection device is used for detecting air, external air can quickly pass through the air inlet pipe, the air bag and the air outlet pipe to enter the groove in a mode of repeatedly pressing the pressing column, and the detection efficiency is improved. And the air is sprayed on the detection module, so that the contact speed of the external air and the detection module is increased, the device can quickly detect the air, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection, in particular to a gas detection device. Background Art

[0002] Gas detection technology includes sensor technology, signal processing technology, signal transmission technology, and control technology. It is divided into full-range detection, lower explosion limit detection, and high-sensitivity detection according to different detection purposes.

[0003] The existing gas detection device is basically composed of a shell, a display, a detection module and a circuit control module, wherein the shell plays a protective role, the display is used to display the detected gas data, the detection module is used as a detector, and the circuit control module coordinates the operation of various electronic components.

[0004] When the gas detection device is in use, the device is usually brought to a designated detection area, and then the outside air is waited for to diffuse through the through holes on the surface of the outer shell to the detection module inside the outer shell to realize the detection function. However, since air flow requires a certain amount of time, during the detection process, it usually takes a long time for the detected gas to enter the detection module. Therefore, there are certain defects in the detection efficiency. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a gas detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A gas detection device comprises a device body, a display installed on the device body and a detection module installed in the device body, the top of the device body is also provided with a groove, the detection module is installed in the groove, and an exhaust assembly is also arranged in the groove above the detection module, the exhaust assembly comprises a shell, a pressing column, an elastic unit, an airbag, an air inlet pipe and an air outlet pipe, the shell is arranged in the groove, and the airbag is arranged in the shell, and the bottom of the shell is also provided with an air outlet pipe connected to the airbag, the pressing column is movably installed in the shell through the elastic unit, and the pressing column is provided with an air inlet pipe, and the air inlet pipe and the airbag are connected with a one-way valve.

[0008] As a further solution of the utility model: the elastic unit includes a pair of telescopic modules arranged in the shell, the two telescopic modules are symmetrically arranged on both sides of the airbag, including a telescopic sleeve fixedly arranged in the shell, a telescopic rod movably inserted in the telescopic sleeve, and a spring installed in the telescopic sleeve, and the end of the telescopic rod is fixedly connected to the pressing column.

[0009] As a further solution of the utility model: the shell is movably arranged, and a positioning knob is threadedly installed on the side of the shell, and a strip hole for the positioning knob to slide is also opened on the side of the device body.

[0010] As a further solution of the utility model: a sealing cover is rotatably mounted on the top surface of the device body, a magnet is fixedly embedded on the sealing cover, and an iron block is fixedly mounted on the inner wall of the groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides an air extraction component. When the detection device is used to detect gas, the pressing column can be repeatedly pressed to allow external gas to quickly pass through the air inlet pipe, the air bag and the air outlet pipe into the groove and be sprayed onto the detection module, thereby increasing the contact speed between the external air and the detection module, allowing the device to quickly detect gas and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a gas detection device;

[0014] Figure 2 This is a schematic diagram of the internal structure of a gas detection device on the back;

[0015] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0016] Figure 4 for Figure 1 Another perspective structural diagram of;

[0017] In the figure: 1-device body, 2-display, 3-detection module, 4-groove, 5-shell, 6-pressing column, 7-air bag, 8-inlet pipe, 9-outlet pipe, 10-check valve, 11-telescopic sleeve, 12-telescopic rod, 13-spring, 14-positioning knob, 15-bar hole, 16-sealing cover, 17-magnet. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] See also Figure 1-4A gas detection device comprises a device body 1, a display 2 mounted on the device body 1 and a detection module 3 mounted in the device body 1, the top of the device body 1 is also provided with a groove 4, the detection module 3 is mounted in the groove 4, an exhaust component is also arranged above the detection module 3 in the groove 4, the exhaust component comprises a shell 5, a pressing column 6, an elastic unit, an air bag 7, an air inlet pipe 8 and an air outlet pipe 9, the shell 5 is arranged in the groove 4, and the air bag 7 is arranged in the shell 5, and the bottom of the shell 5 is also provided with an air outlet pipe 9 connected to the air bag 7, The pressing column 6 is movably installed in the shell 5 through an elastic unit, and an air inlet pipe 8 is arranged in the pressing column 6. A one-way valve 10 is installed at the connection between the air inlet pipe 8 and the air outlet pipe 9 and the air bag 7. By setting up a vacuum component, when the detection device is used to detect gas, the pressing column 6 can be repeatedly pressed to allow external gas to quickly pass through the air inlet pipe 8, the air bag 7 and the air outlet pipe 9 into the groove 4 and be sprayed onto the detection module 3, thereby increasing the contact speed between the external air and the detection module 3, so that the device can quickly detect the gas and improve the detection efficiency.

[0020] Specifically, the elastic unit includes a pair of telescopic modules arranged in the shell 5, and the two telescopic modules are symmetrically arranged on both sides of the airbag 7, including a telescopic sleeve 11 fixedly arranged in the shell 5, a telescopic rod 12 movably inserted in the telescopic sleeve 11, and a spring 13 installed in the telescopic sleeve 11, and the end of the telescopic rod 12 is fixedly connected to the pressing column 6.

[0021] The shell 5 is movably arranged, and a positioning knob 14 is threadedly installed on the side of the shell 5. A strip hole 15 is also provided on the side of the device body 1 for the positioning knob 14 to slide. Through such an arrangement, when the device is not needed, the pressing column 6 on the shell 5 can be stored in the groove 4 to avoid the pressing column 6 being always exposed to the outside and damaged, thereby improving the service life of the device.

[0022] In addition, after the pressing column 6 is received in the groove 4, in order to prevent impurities from entering the groove 4 and hindering the up and down movement of the shell 5, a sealing cover 16 is rotatably installed on the top surface of the device body 1 in this embodiment, and a magnet 17 is fixedly embedded on the sealing cover 16, and an iron block is fixedly set on the inner wall of the groove 4.

[0023] Specifically, when the device needs to be used, it is only necessary to open the sealing cover 16 on the top surface of the device body 1, then screw the positioning knob 14 on the back of the device body 1, and then drag the positioning knob 14 upward until the pressing column 6 is exposed at the top of the device body 1, and finally screw the positioning knob 14 in the opposite direction to fix the position of the shell 5, and repeatedly press the pressing column 6 with your fingers. During the process of the pressing column 6 repeatedly squeezing the airbag 7, air can be pumped to the detection module 3 in the groove 4, thereby accelerating the device's detection efficiency of air.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A gas detection device, comprising a device body (1), a display (2) installed on the device body (1), and a detection module (3) installed in the device body (1), characterized in that: The top of the device body (1) is also provided with a groove (4), the detection module (3) is installed in the groove (4), and an air extraction component is also provided in the groove (4) above the detection module (3), the air extraction component comprising a shell (5), a pressing column (6), an elastic unit, an air bag (7), an air inlet pipe (8) and an air outlet pipe (9), the shell (5) is arranged in the groove (4), and the air bag (7) is arranged in the shell (5), and an air outlet pipe (9) connected to the air bag (7) is also provided at the bottom of the shell (5), the pressing column (6) is movably installed in the shell (5) through the elastic unit, and the pressing column (6) is provided with an air inlet pipe (8), and the connection between the air inlet pipe (8) and the air outlet pipe (9) and the air bag (7) is provided with a one-way valve (10).

2. The gas detection device according to claim 1, characterized in that: The elastic unit comprises a pair of telescopic modules arranged in a shell (5), the two telescopic modules are symmetrically arranged on both sides of the airbag (7), and include a telescopic sleeve (11) fixedly arranged in the shell (5), a telescopic rod (12) movably inserted in the telescopic sleeve (11), and a spring (13) installed in the telescopic sleeve (11), and the end of the telescopic rod (12) is fixedly connected to the pressing column (6).

3. The gas detection device according to claim 1, characterized in that: The housing (5) is movably arranged, and a positioning knob (14) is threadedly mounted on the side of the housing (5), and a strip-shaped hole (15) for the positioning knob (14) to slide is also provided on the side of the device body (1).

4. The gas detection device according to claim 1, characterized in that: A sealing cover (16) is rotatably mounted on the top surface of the device body (1), a magnet (17) is fixedly embedded on the sealing cover (16), and an iron block is fixedly disposed on the inner wall of the groove (4).

Images