Gas concentration detection device

Abstract

The utility model relates to the technical field of gas detection, and discloses a gas concentration detection device which comprises a shell, the circuit board is arranged in the shell and used for circuit circulation, the surface of the circuit board is electrically connected with a detection module for detecting gas concentration and the single chip microcomputer, and the detection module is electrically connected with the electrical sheet machine and used for conducting data interaction analysis to achieve detection. According to the portable gas detector, a worker can carry the detector outdoors, the size of the detector is reduced, the working efficiency and the safety degree of the worker are improved, the detection module and the single chip microcomputer are connected through the circuit board, data interaction and analysis are carried out on the detection module and the single chip microcomputer, specified gas in air is detected, and the concentration value is displayed in real time; the whole is small and portable.

Description

Technical Field

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

[0002] A gas detector is an instrument for detecting gas concentration. This instrument is applicable to dangerous places where flammable or toxic gases exist. It can continuously detect the content within the lower explosion limit of the measured gas in the air for a long time. It can be widely used in various industries such as gas, petrochemical, metallurgy, steel, coking, and electric power where flammable or toxic gases exist. It is an ideal monitoring instrument to ensure property and personal safety.

[0003] Most of the existing gas detection devices are installed on the wall for monitoring and alarming. However, most of the detectors for carrying are relatively large in size, which is inconvenient for staff to carry when going out, and at the same time affects the work safety of the staff. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem of staff carrying when going out, reduce the volume of the detector, and improve the work efficiency and safety of the staff.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A gas concentration detection device, comprising:

[0007] A housing; and,

[0008] A circuit board arranged inside the housing for circuit conduction. A detection module for detecting gas concentration and a single-chip microcomputer are electrically connected to the surface of the circuit board. And the detection module and the single-chip microcomputer are electrically connected to perform data interaction and analysis for detection.

[0009] The housing includes an upper housing and a lower housing, and the upper housing and the lower housing are detachably clamped together, so that the overall volume of the combined housing is less than or equal to the volume of a USB flash drive.

[0010] According to the gas concentration detection device provided by the utility model: A first clamping strip, a clamping plate, an inlay cylinder and a limiting ring are fixedly arranged inside the upper housing. The clamping plate and the limiting ring are arranged at both ends along the length direction inside the upper housing. The first clamping strip is arranged between the clamping plate and the limiting ring. The inlay cylinder is arranged between the clamping plate and the first clamping strip.

[0011] According to the gas concentration detection device provided by the utility model: A second clamping strip, an inlay rod and a limiting column are fixedly arranged inside the lower housing corresponding to the clamping plate, the inlay cylinder and the limiting ring inside the upper housing. And the corresponding components of the upper housing and the lower housing are on the same vertical line and interact with each other.

[0012] The gas concentration detection device provided by the present utility model: on one side in the vertical direction of the clamping plate, clamping grooves are provided at both ends in the length direction, and the clamping grooves are used for clamping the second clamping strips, and the upper shell and the lower shell are of the same size.

[0013] The gas concentration detection device provided by the present utility model: at one end of the circuit board in the length direction, a charging head is electrically coupled, and the charging head is a Type-c interface.

[0014] The gas concentration detection device provided by the present utility model: the surface of the circuit board is electrically connected to a storage battery, and the storage battery is electrically connected to the charging head, the single-chip microcomputer and the detection module through the circuit board.

[0015] The gas concentration detection device provided by the present utility model: a dust-proof cover is sleeved at one end of the outer shell in the length direction.

[0016] The present utility model has the following beneficial effects:

[0017] By using the upper shell and the lower shell, the upper shell and the lower shell are detachably combined together to form a complete outer shell, and the overall size of the outer shell is less than or equal to the size of a USB flash drive. Furthermore, the overall volume of the detection device is small, which is convenient to carry during work and detection, and occupies a small position during carrying, and will not interfere with the normal work of the staff. At the same time, it can detect the concentration of specific gases in the working area in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0019] Figure 2 is a schematic diagram of the bottom of the overall structure of an embodiment of the present utility model;

[0020] Figure 3 is an exploded view of the outer shell of an embodiment of the present utility model;

[0021] Figure 4 is an overall exploded view of an embodiment of the present utility model.

[0022] LEGEND DESCRIPTION:

[0023] 1. Outer shell;

[0024] 10. Upper shell; 100. Display port; 101. First clamping strip; 102. Clamping plate; 103. Insertion cylinder; 104. Clamping groove; 105. Limit ring;

[0025] 11. Lower shell; 110. Air inlet; 111. Restricting column; 112. Second clamping strip; 113. Insertion rod;

[0026] 2. Dust-proof cover;

[0027] 3. Circuit board; 30. Detection module; 31. Storage battery; 32. Microcontroller;

[0028] 4. Charging head. Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Next, in combination with Figures 1-4 the embodiments shown, the technical solutions of the present invention will be described:

[0031] As Figures 1-2 shown, the gas concentration detection device implemented by the present invention includes a housing 1. The housing 1 is elongated and similar to a USB flash drive, and its size is the same as or smaller than that of a USB flash drive. A dust-proof cover 2 is sleeved at one end of the housing 1, and the housing 1 and the dust-proof cover 2 are hermetically combined together, making it convenient to carry and reducing the entry of dust. Since the overall volume of the device is small, it can be carried away by simply placing it casually when carrying.

[0032] As Figure 3 shown, the housing 1 is divided into an upper housing 10 and a lower housing 11. The upper housing 10 and the lower housing 11 are combined together to form a complete housing 1. A clamping plate 102, an inlay cylinder 103, a first clamping strip 101 and a limiting ring 105 are fixedly arranged inside the upper housing 10. The clamping plate 102 spans the entire upper housing 10 and is arranged at one end along the length of the upper housing 10. At the same time, the clamping plate 102 is plate-shaped. The inlay cylinder 103 is arranged on one side of the clamping plate 102 in the upper housing 10, and two are arranged along the width direction of the upper housing 10. The first clamping strip 101 is arranged on one side of the inlay cylinder 103 in the upper housing 10, and two first clamping strips 101 are arranged along the width direction of the upper housing 10. The first clamping strip 101 is in the shape of a "J". The limiting ring 105 is fixedly arranged at one end of the upper housing 10 along the length direction away from the clamping plate 102.

[0033] It should be noted that a display port 100 is penetrated and opened at one end of the outer side of the upper housing 10 close to the limiting ring 105, and the display port 100 communicates with the limiting ring 105. The size of the display port 100 is smaller than that of the limiting ring 105. Clamping grooves 104 are opened at both ends of the clamping plate 102 along the width direction of the upper housing 10, which is more convenient for assembling with the lower housing 11 and can better improve the firmness during assembly.

[0034] As shown Figure 4 As shown, inside the lower housing 11, corresponding to the clamping plate 102, the inlay cylinder 103, and the limiting ring 105 of the upper housing 10, there are a second clamping strip 112, an inlay rod 113, and a limiting post 111. And each corresponding component is on the same vertical straight line. At the same time, the second clamping strip 112 has the same structure as the first clamping strip 101, but the hooked position of the second clamping strip 112 is perpendicular to the hooked position of the first clamping strip 101, and their orientations are perpendicular. Thus, the second clamping strip 112 can be better clamped in the clamping groove 104 on the clamping plate 102. During assembly, the inlay rod 113 is inlaid in the inlay cylinder 103, so that the upper housing 10 and the lower housing 11 are detachably combined together, making the assembly more convenient. Secondly, the assembly is also more firm.

[0035] It should be noted that during the assembly of the upper housing 10 and the lower housing 11, as shown Figure 4 as shown, the circuit board 3 is placed, and the circuit board 3 is clamped between the upper housing 10 and the lower housing 11. During installation, the circuit board 3 is restricted in the upper housing 10 by the first clamping strip 101. The insertion of the second clamping strip 112 or the inlay rod 113 is facilitated through the holes and slots provided on the circuit board 3. Then, the upper housing 10, the lower housing 11, and the circuit board 3 are assembled together to form a complete gas detection device to detect the specified gas in the air. The structure of the outer shell 1 formed by the combination of the upper housing 10 and the lower housing 11 is the same as that of a USB flash drive and has the same size, so it is more convenient to carry and does not occupy too much space.

[0036] As shown Figure 4 As shown, the circuit board 3 is set to a plate shape similar to the upper housing 10 and the lower housing 11, so that it can be better adapted to the upper housing 10 and the lower housing 11 when installed in them. At the same time, a single-chip microcomputer 32, a detection module 30, and a storage battery 31 are provided on the circuit board 3. The single-chip microcomputer 32 and the detection module 30 are electrically connected through the circuit board 3. The single-chip microcomputer 32 is a program database to analyze, store, and transmit the detected data. The detection module 30 is a combination of a gas concentration sensor and a data display. It detects the specified gas in the air, transmits the data to the single-chip microcomputer 32, and the data is analyzed by the single-chip microcomputer 32 and then transmitted to the display to display the measured data, facilitating the detection personnel to observe.

[0037] Further explanation is as follows. The detection module 30 is cylindrical and is placed in the limit ring 105 on the upper housing 10. Since the limit ring 105 is the same as the display port 100, the display screen on the detection module 30 is opposite to the display port 100, which facilitates the observation of data. Secondly, the bottom of the detection module 30 is in contact with the limit post 111 on the lower housing 11. The limit post 111 restricts the entire circuit board 3, so that the circuit board 3 will not move randomly after installation. Secondly, there is an air inlet 110 on the lower housing 11 that communicates with the limit post 111, which better allows the airflow to reach the sensor on the detection module 30, making the detection more convenient and fast.

[0038] It should be noted that multiple detection modules 30 are provided for detecting different specific gases. When detecting, the outer shell 1 is opened, and the detection module 30 is replaced from the circuit board 3. Just replace it with the one for detecting the specified gas concentration. The detection module 30 is electrically connected to the circuit board 3 in a plug-in manner, making the replacement more convenient. At the same time, it will not damage the structure of the circuit board 3, improving the detection range.

[0039] As Figure 4 shown, a charging head 4 is electrically coupled to one end of the circuit board 3. At the same time, the charging head 4 is a Type-c interface. The charging head 4 is connected to the battery 31 through the circuit board 3, that is, charging is carried out from the charging head 4 to the battery 31 for battery life. The battery 31 provides power for the entire device so that the entire device can work. After assembling the upper housing 10 and the lower housing 11, a dust-proof cover 2 is sleeved at one end of the charging head 4, and the charging head 4 is protected by the dust-proof cover 2. At the same time, the two ends of the entire device are more symmetrical and more beautiful.

[0040] Usage method:

[0041] Charge the battery 31 through the charging head 4. After the battery 31 is fully charged, it provides current to the detection module 30 and the single-chip microcomputer 32, thereby starting the detection module 30 and the single-chip microcomputer 32. Select a suitable detection module 30 according to the gas to be detected. After installing all components, place the device in the area to be detected. Keep it for 3 - 5 minutes and then read the data from the display area on the detection module 30, thus completing the detection of the specific gas concentration. When detecting the concentration of other gases, just open the outer shell 1 and replace the detection module 30. The overall volume of the outer shell 1 is small, occupying little space when placed and not taking up much space when held by the staff, making it more convenient to carry. At the same time, detecting during work will not affect the normal operation of the work, etc.

[0042] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A gas concentration detection device, characterized in that: include: Housing (1); as well as, A circuit board (3) for circuit circulation is arranged inside the housing (1), a detection module (30) for detecting gas concentration and a single-chip computer (32) are electrically connected on the surface of the circuit board (3), and the detection module (30) and the single-chip computer are electrically connected to each other, so as to perform interactive analysis of data and realize detection; The housing (1) comprises an upper housing (10) and a lower housing (11), and the upper housing (10) and the lower housing (11) are detachably snap-connected together, so that the overall volume of the assembled housing (1) is less than or equal to the volume of a USB flash drive.

2. The gas concentration detection device according to claim 1, characterized in that: A first clamping strip (101), a clamping plate (102), an inlay tube (103) and a limiting ring (105) are fixedly arranged inside the upper shell (10); the clamping plate (102) and the limiting ring (105) are arranged at two ends along the length direction inside the upper shell (10); the first clamping strip (101) is arranged between the clamping plate (102) and the limiting ring (105); and the inlay tube (103) is arranged between the clamping plate (102) and the first clamping strip (101).

3. The gas concentration detection device according to claim 2, characterized in that: A second clamping strip (112), an embedding rod (113) and a limiting column (111) are fixedly arranged inside the lower shell (11) corresponding to the clamping plate (102), the embedding tube (103) and the limiting ring (105) inside the upper shell (10), and the corresponding components of the upper shell (10) and the lower shell (11) are on the same vertical line and interact with each other.

4. The gas concentration detection device according to claim 3, characterized in that: One side of the clamping plate (102) in the vertical direction is provided with clamping grooves (104) at both ends in the length direction, the clamping grooves (104) being used to clamp the second clamping strip (112), and the upper shell (10) and the lower shell (11) are of the same size.

5. The gas concentration detection device according to claim 1, characterized in that: One end of the circuit board (3) along the length direction is electrically coupled to a charging head (4), and the charging head (4) is a Type-C interface.

6. The gas concentration detection device according to claim 5, characterized in that: The surface of the circuit board (3) is electrically connected to the storage battery (31), and the storage battery (31) is electrically connected to the charging head (4), the single-chip computer (32) and the detection module (30) through the circuit board (3).

7. The gas concentration detection device according to claim 1, characterized in that: A dust cover (2) is sleeved on one end of the housing (1) along the length direction.

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