Gas concentration detection device

Abstract

The utility model relates to the technical field of gas concentration detection, and solves the problems that when the gas concentration is detected, the gas needs to pass through a probe below detection equipment to be detected, and when the gas passes through the probe under the influence of air flow, the time for detecting the gas concentration is too long, the time for detecting the gas concentration is increased, and a house is filled with the gas. The gas concentration detection device comprises a gas concentration detector body, a base is arranged at the bottom of the gas concentration detector body, a detection probe used for detecting gas concentration is arranged at the bottom of the base, and the surface of the detection probe is sleeved with a protective cover. The bottom of the protective cover is provided with a negative pressure assembly used for sucking gas and improving the gas detection speed, the negative pressure assembly comprises an air duct arranged at the bottom of the protective cover, the top end of the air duct is fixedly connected with a circular plate, the surface of the circular plate is provided with a plurality of air holes in an annular array, and the middle of the surface of the circular plate is sleeved with a driving motor.

Description

Technical Field

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

[0002] Publication number CN214374280U discloses a gas concentration detection device, which includes a light source module, a gas chamber module, an infrared thermopile module and a signal processing module. The light source module and the infrared thermopile module are both installed on the signal processing module, and the gas chamber module is installed above the signal processing module.

[0003] It calculates the concentration of the gas to be measured based on the voltage signal through the signal processing module, allowing users to directly measure the gas concentration and meet the concentration measurement needs of different gases. Users no longer need to spend a lot of time learning related principles, thereby improving project development efficiency and shortening development time.

[0004] However, when testing gas concentration, the gas needs to pass through the probe under the detection equipment before it can be detected. When the gas is affected by air flow, it takes too long to pass through the probe, which increases the time for gas concentration detection and causes the gas to fill the house. This solution is not efficient for gas concentration detection. Utility Model Content

[0005] To address the shortcomings of the existing technology, the present invention provides a gas concentration detection device, which solves the problem that when detecting gas concentration, the gas needs to pass through the probe below the detection equipment before the gas can be detected. When the gas is affected by air flow, it takes too long to pass through the probe, which increases the time for gas concentration detection and causes the gas to fill the house.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gas concentration detection device, comprising a gas concentration detector body, a base is provided at the bottom of the gas concentration detector body, and a detection probe for detecting gas concentration is provided at the bottom of the base, and a protective cover is provided on the surface of the detection probe, and a negative pressure component for inhaling gas and increasing the gas detection speed is provided at the bottom of the protective cover.

[0007] In a specific embodiment, the negative pressure component includes a wind tube arranged at the bottom of the protective cover, and the top of the wind tube is fixedly connected to a circular plate, and the surface of the circular plate is provided with a plurality of air holes in a circular array, and a driving motor is sleeved on the middle of the surface of the circular plate, and the output end of the driving motor is fixedly connected to a negative pressure fan, the surface of the wind tube is provided with a plurality of air grooves, and a fixing ring is provided at the bottom of the wind tube, and a protective net is provided inside the fixing ring.

[0008] In a specific embodiment, a connection block is provided on one side of the top of the gas concentration detector body, and an alarm light is provided on the surface of the connection block.

[0009] In a specific embodiment, a display module for displaying gas concentration data is provided on the front of the gas concentration detector body, and an operation button is provided at the bottom of the display module.

[0010] In a specific embodiment, a connecting plate is provided on the back of the gas concentration detector body, and the connecting plate is circular.

[0011] In a specific embodiment, a plurality of connecting pieces are provided on the surface of the connecting plate, and mounting holes for mounting are opened on the surfaces of the connecting pieces.

[0012] Compared with the prior art, the present invention provides a gas concentration detection device with the following features:

[0013] Beneficial effects:

[0014] In the technical solution disclosed by the present utility model, by utilizing the setting of the negative pressure component, during the gas concentration detection, the driving motor can be connected to an external power supply, so that it drives the negative pressure fan to rotate inside the wind tube, thereby generating negative pressure suction inside the wind tube, and the air near the wind tube can be quickly sucked into the interior, thereby accelerating the contact between the gas in the air and the detection probe, thereby reducing the waiting time for gas concentration detection, and can quickly detect the concentration of gas in the air, further improving the gas concentration detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the gas concentration detector of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the negative pressure component of the utility model;

[0019] Figure 4 This is a schematic diagram of the connecting plate structure of the utility model.

[0020] In the figure: 1. Gas concentration detector body; 2. Base; 3. Detection probe; 4. Protective cover; 5. Negative pressure component; 51. Air duct; 511. Ventilation groove; 512. Fixing ring; 513. Protective net; 52. Round plate; 53. Ventilation hole; 54. Drive motor; 55. Negative pressure fan; 6. Alarm light; 7. Display module; 8. Connecting plate. DETAILED DESCRIPTION

[0021] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0022] Figures 1-4 This is an embodiment of the present invention, a gas concentration detection device, including a gas concentration detector body 1, a base 2 is provided at the bottom of the gas concentration detector body 1, and a detection probe 3 for detecting gas concentration is provided at the bottom of the base 2, and a protective cover 4 is provided on the surface of the detection probe 3, and a negative pressure component 5 for inhaling gas and increasing the gas detection speed is provided at the bottom of the protective cover 4.

[0023] The specific problem addressed by this specific embodiment is that when detecting gas concentration, the gas needs to pass through the probe below the detection device before the gas can be detected. However, when the gas is affected by air flow, it takes too long to pass through the probe, which increases the time for gas concentration detection and causes the problem of gas filling the room. The utility model utilizes the setting of the negative pressure component 5. During the gas concentration detection, the drive motor 54 can be connected to an external power supply to drive the negative pressure fan 55 to rotate inside the wind tube 51, thereby generating negative pressure suction inside the wind tube 51, which can quickly draw the air near the wind tube 51 into the interior, thereby accelerating the contact between the gas in the air and the detection probe 3, thereby reducing the waiting time for gas concentration detection, and can quickly detect the concentration of gas in the air, further improving the efficiency of gas concentration detection.

[0024] The negative pressure assembly 5 includes a duct 51 disposed at the bottom of the protective cover 4. A circular plate 52 is fixedly connected to the top of the duct 51. The surface of the circular plate 52 is provided with a plurality of air holes 53 in a circular array. A drive motor 54 is sleeved in the middle of the surface of the circular plate 52. A negative pressure fan 55 is fixedly connected to the output end of the drive motor 54. In this specific embodiment, the surface of the duct 51 is provided with a plurality of air grooves 511. A fixed ring 512 is provided at the bottom of the duct 51. A protective net 513 is provided within the fixed ring 512. During gas concentration detection, the drive motor 54 can be connected to an external power source to drive the negative pressure fan 55 to rotate within the duct 51. This generates negative pressure suction within the duct 51, rapidly drawing air near the duct 51 into the duct, thereby accelerating contact between the gas in the air and the detection probe 3. This reduces the waiting time for gas concentration detection, allows for rapid gas concentration detection in the air, and further improves gas concentration detection efficiency.

[0025] In this specific embodiment, a connecting block is provided on one side of the top of the gas concentration detector body 1, and an alarm light 6 is provided on the surface of the connecting block. A display module 7 for displaying gas concentration data is provided on the front of the gas concentration detector body 1, and an operation button is provided at the bottom of the display module 7. A connecting plate 8 is provided on the back of the gas concentration detector body 1, and the connecting plate 8 is circular. A plurality of connecting pieces are provided on the surface of the connecting plate 8, and mounting holes for installation are provided on the surface of the connecting piece.

[0026] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the control method and circuit connection are no longer explained in detail in the present invention.

[0027] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas concentration detection device, comprising a gas concentration detector body (1), characterized in that: The bottom of the gas concentration detector body (1) is provided with a base (2), and the bottom of the base (2) is provided with a detection probe (3) for detecting gas concentration, and the surface of the detection probe (3) is sleeved with a protective cover (4), and the bottom of the protective cover (4) is provided with a negative pressure component (5) for inhaling gas and increasing the gas detection speed; The negative pressure assembly (5) comprises an air duct (51) arranged at the bottom of the protective cover (4), and a circular plate (52) is fixedly connected to the top end of the air duct (51), and a plurality of air holes (53) are provided on the surface of the circular plate (52) in a ring array, and a driving motor (54) is sleeved in the middle of the surface of the circular plate (52), and a negative pressure fan (55) is fixedly connected to the output end of the driving motor (54).

2. A gas concentration detection device according to claim 1, characterized in that: A plurality of ventilation grooves (511) are provided on the surface of the wind tube (51), and a fixing ring (512) is provided at the bottom of the wind tube (51), and a protective net (513) is provided inside the fixing ring (512).

3. A gas concentration detection device according to claim 1, characterized in that: A connection block is provided on one side of the top of the gas concentration detector body (1), and an alarm light (6) is provided on the surface of the connection block.

4. A gas concentration detection device according to claim 1, characterized in that: A display module (7) for displaying gas concentration data is provided on the front of the gas concentration detector body (1), and an operation button is provided at the bottom of the display module (7).

5. A gas concentration detection device according to claim 1, characterized in that: A connecting plate (8) is provided on the back of the gas concentration detector body (1), and the connecting plate (8) is circular.

6. A gas concentration detection device according to claim 5, characterized in that: The surface of the connecting plate (8) is provided with a plurality of connecting pieces, and the surfaces of the connecting pieces are provided with mounting holes for mounting.

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