Handheld poisonous and harmful gas comprehensive detection equipment

Abstract

The utility model discloses handheld poisonous and harmful gas comprehensive detection equipment which comprises a shell, the shell comprises a bottom groove and a cover body, and the cover body covers an opening of the bottom groove; the gas detection assembly comprises a flow guide pipeline, a suction fan, a gas detection sensor and an air pressure detection sensor, the flow guide pipeline is arranged in the bottom groove, an air inlet hole is formed in the side wall of the bottom groove, the air inlet end of the flow guide pipeline is communicated with the air inlet hole, and the suction fan is arranged at the output end of the flow guide pipeline; the gas detection sensor and the air pressure detection sensor are arranged in the flow guide pipeline; and the control assembly comprises a control module, and the gas detection sensor and the gas pressure detection sensor are both connected with the control module. The handheld poisonous and harmful gas comprehensive detection equipment can output more accurate gas concentration data, and provides a safer working environment for mine workers.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection equipment, in particular to a handheld toxic and harmful gas comprehensive detection equipment. Background Art

[0002] In mine operations, the presence of toxic and harmful gases has always been a serious safety hazard. Due to the particularity of the mine environment, such as underground airtightness, poor ventilation, and complex operating equipment, it is often easy to cause the accumulation and leakage of toxic and harmful gases (such as carbon monoxide, hydrogen sulfide, methane, etc.). These toxic and harmful gases not only seriously threaten the lives and safety of miners, but may also cause major accidents such as explosions and fires, which have a serious impact on the normal production and operation of the mine.

[0003] At present, although there are many equipment and technologies for the detection of toxic and harmful gases in mines, there are still some problems. First, traditional detection equipment is often bulky and complicated to operate, which is not convenient for miners to carry and use quickly in mines. Secondly, some equipment is easily affected by the complex environment in the mine during the detection process, resulting in inaccurate or unstable detection results. Finally, the existing detection equipment is easily affected by unstable air pressure, resulting in large errors in the accuracy of the acquired data. Utility Model Content

[0004] In order to solve the problems existing in the prior art such as poor accuracy of acquired data, inconvenience in carrying and quick use, etc., the present application provides a handheld toxic and harmful gas comprehensive detection device.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted in the present application is: a handheld toxic and harmful gas comprehensive detection equipment, comprising: a shell, the shell comprising a bottom groove and a cover body, the cover body cover is arranged at the mouth of the bottom groove; a gas detection component, the gas detection component comprises a guide pipe, a suction fan, a gas detection sensor and an air pressure detection sensor, the guide pipe is arranged in the bottom groove, the side wall of the bottom groove is provided with an air inlet hole, the air inlet end of the guide pipe is connected to the air inlet hole, the suction fan is arranged at the output end of the guide pipe, the gas detection sensor is arranged in the guide pipe, and the air pressure detection sensor is arranged in the guide pipe; a control component, the control component comprises a control module, and the gas detection sensor and the air pressure detection sensor are both connected to the control module.

[0006] In some embodiments of the utility model, a shapeable tube for conveying the gas to be measured is provided on the bottom groove, and the shapeable tube is detachably connected to the bottom groove.

[0007] In some embodiments of the utility model, a detachable connecting piece is arranged between the above-mentioned bottom groove and the formable tube, and the connecting piece includes an air guide ring fixed to the bottom groove and a locking ring arranged on the formable tube, the locking ring is sleeved on the air guide ring, and the locking ring and the air guide ring are threadedly connected, an anti-detachment platform is arranged at one end of the locking ring close to the formable tube, and a sealing ring is arranged at one end of the formable tube extending into the locking ring, and two ends of the sealing ring are respectively abutted against the air guide ring and the anti-detachment platform.

[0008] In some embodiments of the present invention, a filter plate is provided between the sealing ring and the air guide ring.

[0009] In some embodiments of the present invention, a power supply for supplying energy is provided in the bottom slot, and the power supply is connected to the control module.

[0010] In some embodiments of the present utility model, a lighting lamp is provided on the bottom groove, and the lighting lamp is connected to the control module.

[0011] In some embodiments of the present invention, a control button is disposed on the cover, and the control button is connected to the control module.

[0012] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0013] 1. The air pressure value inside the diversion pipe is obtained through the air pressure detection sensor, and the obtained air pressure value is used to determine whether the diversion pipe is unobstructed, so as to determine whether the concentration data of toxic and harmful gases obtained by the gas detection sensor is accurate.

[0014] 2. The configuration of the above-mentioned formable tube facilitates the acquisition of concentration data of toxic and harmful gases at different heights inside the mine. By adjusting the length of the formable tube, the concentration data of toxic and harmful gases at different heights inside the mine can be detected, so that the distribution of gases in the mine can be more comprehensively understood, providing a stronger guarantee for safe production. In addition, the above-mentioned formable tube is detachably connected to the shell, which is convenient for separate storage and replacement of pipes of different sizes and models according to different usage requirements, which is convenient for adapting to different working environments and greatly improves the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the bottom tank of an embodiment of the utility model;

[0018] Figure 3 It is a cross-sectional view of the connecting piece of the utility model.

[0019] In the figure: 1-bottom trough; 2-cover body; 3-flow guide duct; 4-exhaust fan; 5-gas detection sensor; 6-air pressure detection sensor; 7-control module; 8-formable tube; 9-connector; 901-air guide ring; 902-locking ring; 10-anti-drop platform; 11-sealing ring; 12-filter plate; 13-power supply; 14-lighting lamp; 15-control button. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of this application, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, if the terms "first", "second", etc. appear in the description of this application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] In addition, if the terms "horizontal" or "vertical" appear in the description of this application, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] Please refer to Figure 1-Figure 3 The present embodiment provides a handheld toxic and harmful gas comprehensive detection device, including: a shell, the shell includes a bottom groove 1 and a cover body 2, the cover body 2 is covered on the mouth of the bottom groove 1; a gas detection component, the gas detection component includes a guide pipe 3, a suction fan 4, a gas detection sensor 5 and an air pressure detection sensor 6, the guide pipe 3 is arranged in the bottom groove 1, the side wall of the bottom groove 1 is provided with an air inlet hole, the air inlet end of the guide pipe 3 is connected with the air inlet hole, the suction fan 4 is arranged at the output end of the guide pipe 3, the gas detection sensor 5 is arranged in the guide pipe 3, and the air pressure detection sensor 6 is arranged in the guide pipe 3; a control component, the control component includes a control module 7, the gas detection sensor 5 and the air pressure detection sensor 6 are both connected to the control module 7.

[0028] In this embodiment, the housing is used to install and protect the gas detection component and the control component. Specifically, the bottom groove 1 and the cover 2 cooperate to form a closed space for protecting the gas detection component and the control component, preventing the intrusion of pollutants such as dust, moisture, and chemical corrosives, and ensuring the stability and reliability of the internal components of the detector.

[0029] In the present embodiment, the gas detection component is used to detect the concentration of harmful gases in the gas diverted into the gas diversion channel, thereby outputting the concentration data of the corresponding harmful gases. Specifically, the gas diversion channel is used to divert and contain the gas inside the mine. The diversion pipe 3 is a three-way structure of a T-shaped structure, and any one of the mouths is connected to the air inlet, which is used to receive external gas into the diversion pipe 3; the other two ports are provided with a suction fan 4, which is used to pump the internal gas of the mine into the shell, so as to form a closed enclosed space in the shell, so as to obtain the content of toxic and harmful substances in the mine gas inside the enclosed space. It should be noted that the diversion pipe 3 is enclosed by a T-shaped groove body and a T-shaped cover plate, which is convenient for the inspection and maintenance of the inside of the pipe and the replacement of the detection element. The above-mentioned air pressure detection sensor 6 is used to detect the pressure value of the gas inside the diversion pipe 3. If the obtained gas pressure value deviates from the preset normal value, the detection output is displayed to be abnormal, and the toxic and harmful gas concentration value obtained by the gas detection sensor 5 has a detection error. The equipment should be overhauled and accurate concentration data should be obtained again, which can provide a safer working environment for workers in the mine.

[0030] In this embodiment, the control module 7 is used to control the operation of the entire device and to integrate the data acquired by the gas detection sensor 5 and the air pressure detection sensor 6 .

[0031] Preferably, the control module 7 may be a single-chip microcomputer, which is an integrated circuit chip that uses ultra-large-scale integrated circuit technology to integrate a central processing unit CPU with data processing capabilities, random access memory RAM, read-only memory ROM, multiple I / O ports and interrupt systems, timer / counter and other functions (may also include display drive circuits, pulse width modulation circuits, analog multiplexers, A / D converters and other circuits) on a silicon chip to form a small and complete microcomputer system, which is convenient for data integration and circuit control.

[0032] Please refer to Figure 1-Figure 3 In some implementations of the present embodiment, a moldable tube 8 for conveying the gas to be measured is provided on the bottom tank 1, and the moldable tube 8 is detachably connected to the bottom tank 1.

[0033] In this embodiment, the above-mentioned shapeable tube 8 is preferably a gooseneck tube, which is also called a serpentine tube, a metal shapeable hose, and a metal part that can be bent arbitrarily and determine the direction. Specifically, the above-mentioned shapeable tube 8 can be extended and shortened according to the use requirements, so that the extended length of the shapeable tube 8 can be adjusted according to the gas concentration data obtained at different height positions, so as to improve the convenience of data acquisition.

[0034] Please refer to Figure 1-Figure 3In some implementations of the present embodiment, a detachable connector 9 is provided between the bottom groove 1 and the formable tube 8, the connector 9 includes an air guide ring 901 fixed to the bottom groove 1 and a locking ring 902 provided on the formable tube 8, the locking ring 902 is sleeved on the air guide ring 901, and the locking ring 902 and the air guide ring 901 are threadedly connected, an anti-detachment platform 10 is provided at one end of the locking ring 902 close to the formable tube 8, and a sealing ring 11 is provided at one end of the formable tube 8 extending into the locking ring 902, and both ends of the sealing ring 11 are respectively abutted against the air guide ring 901 and the anti-detachment platform 10.

[0035] In this embodiment, the above-mentioned connecting piece 9 is used to connect the formable tube 8 to the bottom groove 1 of the shell, so that the formable tube 8 can be disassembled and assembled according to usage requirements, the equipment can be transported after disassembly, and the formable tube 8 of different sizes can be replaced.

[0036] Specifically, the air guide ring 901 fixed to the bottom groove 1 and the locking ring 902 provided on the formable tube 8 are connected by threaded matching, which can improve the sealing effect of the connection and prevent gas transmission leakage and impurity gas from entering. The locking ring 902 can rotate freely around the formable tube 8, and the formable tube 8 is abutted against the side wall of the air guide ring 901 by twisting the locking ring 902, thereby achieving the docking of the formable tube 8 and the air inlet. Furthermore, the sealing ring 11 is used to increase the sealing effect of the formable tube 8 and the air guide ring 901, so as to facilitate the delivery of gas.

[0037] Please refer to Figure 1-Figure 3 In some implementations of this embodiment, a filter plate 12 is provided between the sealing ring 11 and the air guide ring 901 .

[0038] In the present embodiment, the filter plate 12 is used to filter the gas entering the air guide passage to prevent particulate impurities in the mine from entering the air guide passage, thereby improving the cleanliness of the air guide passage.

[0039] Please refer to Figure 1-Figure 3 In some implementations of this embodiment, a power supply 13 for supplying energy is provided in the bottom tank 1 , and the power supply 13 is connected to the control module 7 .

[0040] In this embodiment, the power supply 13 is used to provide power support for the entire device. The power supply 13 is the basis for the operation of the handheld gas detector. It provides necessary power for various parts of the device (such as sensors, data processing units, storage units, etc.) to ensure the normal operation of the device.

[0041] Please refer to Figure 1-Figure 3 In some implementations of this embodiment, a lighting lamp 14 is provided on the bottom tank 1 , and the lighting lamp 14 is connected to the control module 7 .

[0042] In this embodiment, the lighting lamp 14 is used to provide a light source. In a dark or low-light environment, the lighting lamp 14 can provide sufficient light for the operator to clearly see the display screen of the gas detector and the surrounding environment.

[0043] Please refer to Figure 1-Figure 3 In some implementations of this embodiment, a control button 15 is provided on the cover body 2 , and the control button 15 is connected to the control module 7 .

[0044] In this embodiment, the control button 15 includes a confirmation button in the middle, which is used for confirmation and cancellation. The confirmation button is used to confirm menu options or parameter settings; the cancel button is used to cancel the current operation. The plus and minus buttons on both sides of the confirmation button are used for data adjustment. The plus and minus buttons are usually used to adjust parameter values ​​in the menu, such as the speed setting of the exhaust fan 4.

[0045] In this embodiment, a display panel for displaying data is provided on the cover plate of the shell, and the display panel is connected to the control module 7, so that the user can display various detection parameters according to the display panel, and the data can be obtained intuitively.

[0046] When in use, take out the formable tube 8 of appropriate length, fix it to the input end of the guide pipe 3 through the connecting piece 9, adjust the shape and length of the formable tube 8, hold the shell with your hand, control the rotation of the fan through the control button 15, and display the obtained pressure data and concentration data of toxic and harmful gases through the display panel. If the gas data obtained by the air pressure detection sensor 6 does not detect abnormal pressure, the obtained toxic and harmful gases are accurate values ​​and can be directly output. Otherwise, measure again after maintenance.

[0047] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A handheld toxic and harmful gas comprehensive detection device, characterized in that: include: A shell, the shell comprising a bottom groove (1) and a cover body (2), the cover body (2) being arranged to cover the mouth of the bottom groove (1); A gas detection component, the gas detection component comprising a guide pipe (3), a suction fan (4), a gas detection sensor (5) and an air pressure detection sensor (6), the guide pipe (3) being arranged in the bottom groove (1), the side wall of the bottom groove (1) being provided with an air inlet hole, the air inlet end of the guide pipe (3) being connected to the air inlet hole, the suction fan (4) being arranged at the output end of the guide pipe (3), the gas detection sensor (5) being arranged in the guide pipe (3), and the air pressure detection sensor (6) being arranged in the guide pipe (3); A control component, the control component comprising a control module (7), the gas detection sensor (5) and the air pressure detection sensor (6) both being connected to the control module (7).

2. A handheld toxic and harmful gas comprehensive detection device according to claim 1, characterized in that: The bottom trough (1) is provided with a shapeable tube (8) for conveying the gas to be measured, and the shapeable tube (8) is detachably connected to the bottom trough (1).

3. A handheld toxic and harmful gas comprehensive detection device according to claim 2, characterized in that: A detachable connecting piece (9) is provided between the bottom groove (1) and the formable tube (8), the connecting piece (9) comprising an air guide ring (901) fixed to the bottom groove (1) and a locking ring (902) provided on the formable tube (8), the locking ring (902) being sleeved on the air guide ring (901), and the locking ring (902) and the air guide ring (901) being threadedly connected, an anti-dropping platform (10) being provided at one end of the locking ring (902) close to the formable tube (8), and the formable tube (8) extending into the bottom groove (1) A sealing ring (11) is provided at one end of the locking ring (902), and two ends of the sealing ring (11) are respectively in contact with the air guide ring (901) and the anti-slip platform (10).

4. A handheld toxic and harmful gas comprehensive detection device according to claim 3, characterized in that: A filter plate (12) is provided between the sealing ring (11) and the air guide ring (901).

5. A handheld toxic and harmful gas comprehensive detection device according to claim 1, characterized in that: A power source (13) for supplying energy is arranged in the bottom tank (1), and the power source (13) is connected to the control module (7).

6. A handheld toxic and harmful gas comprehensive detection device according to claim 1, characterized in that: The bottom tank (1) is provided with a lighting lamp (14), and the lighting lamp (14) is connected to the control module (7).

7. A handheld toxic and harmful gas comprehensive detection device according to claim 1, characterized in that: The cover body (2) is provided with a control button (15), and the control button (15) is connected to the control module (7).

Images