Combustible gas detector suitable for salt mist and high humidity environment

Abstract

The utility model discloses a combustible gas detector suitable for a salt mist high humidity environment, which relates to the technical field of combustible gas detectors, and comprises an outer shell, an inner shell is inserted in the outer shell, a circuit board is arranged on the inner side of the outer shell, the inner shell can rotate in the outer shell, a pair of first openings is formed in the side wall of the outer shell, and the inner shell can rotate in the outer shell. Multiple pairs of second openings are formed in the side wall of the inner shell, one pair of the multiple pairs of second openings can be aligned with one pair of first openings by rotating the inner shell, a waterproof breathable film capable of blocking the multiple pairs of second openings is arranged in the inner shell, and a positioning assembly is further arranged between the inner shell and the outer shell; according to the utility model, external air can be filtered through the waterproof breathable film, so that the sensor in the device is not influenced by external salt mist, moisture and other environments during working, the normal working of the sensor is ensured, and the waterproof breathable film in the next second opening can be switched to be aligned with the first opening by pulling the deflector rod by a worker, so that the filtering quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of combustible gas detectors, in particular to a combustible gas detector suitable for salt fog and high humidity environments. Background Art

[0002] The energy storage industry has received extensive attention and rapid development in recent years. On the one hand, energy storage technology can help solve energy supply problems, improve energy utilization efficiency, and reduce energy consumption, thereby contributing to environmental protection and sustainable development. Combustible gas detectors are core early fire perception and warning devices;

[0003] For example, in the utility model patent with the announcement number CN208654149U, a combustible gas detector is disclosed, which includes a shell provided with a vent and a detector module for detecting whether there is combustible gas in the air entering the shell through the vent. The shell is divided into a first shell and a second shell. The shell is provided with a vent to transport gas into the shell. The detector module is provided with a power pin welded on a circuit board. The power pin extends from the pin through hole of the shell. The power pin eliminates the need for cable power supply, thereby realizing a combustible gas detector that can be used with a socket.

[0004] However, currently energy storage power stations are mostly installed in places with sparse population and harsh environment, such as plateaus, deserts, and seas. These places have characteristics such as strong corrosion and high humidity, which greatly damage the performance of detectors and often cause detector failure. Utility Model Content

[0005] In order to adapt to the high humidity, salt fog and other scene characteristics of the energy storage industry, the utility model provides a combustible gas detector suitable for salt fog and high humidity environment to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a combustible gas detector suitable for salt fog and high humidity environment, comprising an outer shell, an inner shell is inserted into the outer shell, a circuit board is arranged on the inner side of the outer shell, the inner shell can rotate inside the outer shell, a pair of first openings are provided on the side wall of the outer shell, and multiple pairs of second openings are provided on the side wall of the inner shell. By rotating the inner shell, one pair of the multiple pairs of the second openings can be aligned with a pair of first openings, a waterproof and breathable membrane capable of sealing the multiple pairs of the second openings is arranged in the inner shell, and a positioning component is also provided between the inner shell and the outer shell.

[0007] Preferably, the positioning assembly includes a pair of positioning pins and multiple pairs of positioning grooves, the positions and quantities of the multiple pairs of positioning grooves match the multiple pairs of the second openings, a groove is provided on the inner wall surface of the outer shell, the multiple pairs of positioning grooves are evenly provided in the groove, a pair of positioning pins are slidably arranged on both sides of the inner shell, and the ends of a pair of positioning pins can slide in the groove and can move into the positioning groove.

[0008] Preferably, a mounting cavity is formed on the side wall of the inner shell, the positioning pin slides in the mounting cavity, and a spring capable of pushing the positioning pin outward is arranged in the mounting cavity.

[0009] Preferably, one side of the positioning groove is parallel to the radial section of the inner shell, and the other side of the positioning groove is inclined to the radial section of the inner shell.

[0010] Preferably, a notch is provided between the groove and the end surface of the outer shell.

[0011] Preferably, a pair of levers are fixedly disposed on the inner shell.

[0012] Preferably, a pair of mounting holes is provided on the outer shell.

[0013] Preferably, an installation groove capable of penetrating the second opening is formed on one end surface of the inner shell, and the waterproof breathable membrane can seal multiple pairs of the second openings after being inserted into the installation groove.

[0014] The utility model provides a combustible gas detector suitable for salt fog and high humidity environment, which has the following beneficial effects: external gas can enter the inner shell through the first opening and the second opening and contact the sensor on the circuit board; when the external gas passes through the waterproof breathable membrane, the gas can be filtered, so that the internal sensor of the device is not affected by the external environment such as salt fog and moisture when working, so as to ensure its normal operation; by the staff pulling the lever, the waterproof breathable membrane in the next second opening can be switched to be aligned with the first opening; by regularly switching the waterproof breathable membrane, the filtering quality can be guaranteed and the detection accuracy can be improved; when all the waterproof breathable membranes are rotated and used, the inner shell can be disassembled, and the waterproof breathable membrane can be pulled out from the installation groove, so as to facilitate the replacement of new waterproof breathable membranes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 is a stereogram of the outer shell;

[0017] Figure 3 is a three-dimensional diagram of the inner shell;

[0018] Figure 4This is the front view of the utility model;

[0019] Figure 5 for Figure 1 Sectional view of AA in the middle;

[0020] Figure 6 for Figure 1 Cross-sectional view of BB.

[0021] In the figure: 1. outer shell; 2. inner shell; 3. circuit board; 4. first opening; 5. second opening; 6. mounting groove; 7. waterproof breathable membrane; 8. groove; 9. positioning pin; 10. positioning groove; 11. mounting cavity; 12. spring; 13. mounting hole; 14. notch; 15. lever. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] See also Figure 1-Figure 6 The utility model provides a technical solution: a combustible gas detector suitable for salt fog and high humidity environment, comprising an outer shell 1, an inner shell 2 is inserted in the outer shell 1, a circuit board 3 is arranged on the inner side of the outer shell 1, the inner shell 2 can rotate in the outer shell 1, a pair of first openings 4 are opened on the side wall of the outer shell 1, and multiple pairs of second openings 5 ​​are opened on the side wall of the inner shell 2. By rotating the inner shell 2, one pair of the multiple pairs of second openings 5 ​​can be aligned with a pair of first openings 4, the inner shell 2 is provided with a waterproof breathable membrane 7 that can block the multiple pairs of second openings 5, external gas can enter the inner shell 2 through the first opening 4 and the second opening 5 and contact the sensor on the circuit board 3, when the external gas passes through the waterproof breathable membrane 7, the gas can be filtered, so that the internal sensor of the device is not affected by the external environment such as salt fog and humidity when working, so as to ensure its normal operation, and a positioning component is also provided between the inner shell 2 and the outer shell 1, and the second opening 5 can be aligned with the first opening 4 through the positioning component.

[0024] As an embodiment of the utility model, the positioning assembly includes a pair of positioning pins 9 and multiple pairs of positioning grooves 10, the positions and quantities of the multiple pairs of positioning grooves 10 match the multiple pairs of second openings 5, a groove 8 is opened on the inner wall surface of the outer shell 1, and the multiple pairs of positioning grooves 10 are evenly opened in the groove 8, a pair of positioning pins 9 are slidably arranged on both sides of the inner shell 2, and the ends of a pair of positioning pins 9 can slide in the groove 8 and can move into the positioning groove 10, when the positioning pins 9 slide in the groove 8, the axial movement of the inner shell 2 in the outer shell 1 can be limited, and when the positioning pins 9 are inserted into the positioning groove 10, the inner shell 2 can be limited circumferentially to prevent it from rotating freely.

[0025] As an embodiment of the utility model, a mounting cavity 11 is formed on the side wall of the inner shell 2 , and the positioning pin 9 slides in the mounting cavity 11 . A spring 12 capable of pushing the positioning pin 9 outward is disposed in the mounting cavity 11 .

[0026] As an embodiment of the utility model, one side of the positioning groove 10 is parallel to the radial section of the inner shell 2, and the other side of the positioning groove 10 is inclined to the radial section of the inner shell 2, so that the positioning pin 9 can only slide out from the inclined side of the positioning groove 10, thereby realizing the one-way rotation of the inner shell 2, and avoiding the waterproof and breathable membrane 7 that has been used to be aligned with the first opening 4 again when switching the waterproof and breathable membrane 7 in different second openings 5.

[0027] As an embodiment of the utility model, a notch 14 is provided between the groove 8 and the end surface of the outer shell 1. By aligning the positioning pin 9 with the notch 14, the inner shell 2 can be pulled out from the outer shell 1, so as to facilitate the replacement of the waterproof breathable membrane 7 and the replacement of the electronic components on the circuit board 3.

[0028] As an embodiment of the present invention, a pair of levers 15 are fixedly provided on the inner shell 2 , and the inner shell 2 can be easily rotated by moving the levers 15 .

[0029] As an embodiment of the present utility model, a pair of mounting holes 13 are formed on the outer shell 1 , and the outer shell 1 can be fixed on the wall through the mounting holes 13 .

[0030] As an embodiment of the utility model, one end surface of the inner shell 2 is provided with a mounting groove 6 that can penetrate the second opening 5. After the waterproof breathable membrane 7 is inserted into the mounting groove 6, multiple pairs of second openings 5 ​​can be blocked, and the waterproof breathable membrane 7 is easy to replace.

[0031] The working principle and use process of the utility model are as follows: when in use, external air can enter the inner shell 2 through the first opening 4 and the second opening 5 and contact the sensor on the circuit board 3. When the external air passes through the waterproof breathable membrane 7, the gas can be filtered, so that the internal sensor of the device is not affected by the external environment such as salt spray and moisture when working, thereby ensuring its normal operation; after a certain period of use, the waterproof breathable membrane 7 in the second opening 5 is easily blocked by impurities. In order to ensure the detection quality, it is necessary to replace the waterproof breathable membrane 7 in another second opening 5 to align it with the first opening 4. The inner shell 2 can be rotated by the staff by pulling the lever 15. When the positioning pin 9 is stuck in the next positioning groove 10, the next second opening 5 can be aligned with the first opening 4, and then the waterproof breathable membrane 7 in the next second opening 5 can be switched. When all the waterproof breathable membranes 7 are rotated and used, the inner shell 2 can be removed, the waterproof breathable membrane 7 can be pulled out from the installation groove 6, and a new waterproof breathable membrane 7 can be replaced.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combustible gas detector suitable for salt fog and high humidity environment, characterized in that: The invention comprises an outer shell (1), an inner shell (2) is inserted into the outer shell (1), a circuit board (3) is arranged on the inner side of the outer shell (1), the inner shell (2) can rotate in the outer shell (1), a pair of first openings (4) are provided on the side wall of the outer shell (1), a plurality of pairs of second openings (5) are provided on the side wall of the inner shell (2), and a pair of the plurality of pairs of the second openings (5) can be aligned with a pair of the first openings (4) by rotating the inner shell (2), a waterproof and breathable membrane (7) capable of blocking the plurality of pairs of the second openings (5) is arranged in the inner shell (2), and a positioning component is also arranged between the inner shell (2) and the outer shell (1).

2. A combustible gas detector suitable for salt fog and high humidity environment according to claim 1, characterized in that: The positioning assembly comprises a pair of positioning pins (9) and a plurality of pairs of positioning grooves (10), the positions and quantities of the plurality of pairs of positioning grooves (10) match the plurality of pairs of the second openings (5), a groove (8) is provided on the inner wall surface of the outer shell (1), the plurality of pairs of positioning grooves (10) are evenly provided in the groove (8), a pair of positioning pins (9) are slidably arranged on both sides of the inner shell (2), and the ends of the pair of positioning pins (9) can slide in the groove (8) and can move into the positioning groove (10).

3. A combustible gas detector suitable for salt fog and high humidity environment according to claim 2, characterized in that: The side wall of the inner shell (2) is provided with an installation cavity (11), the positioning pin (9) slides in the installation cavity (11), and a spring (12) capable of pushing the positioning pin (9) outward is arranged in the installation cavity (11).

4. A combustible gas detector suitable for salt fog and high humidity environment according to claim 2, characterized in that: One side of the positioning groove (10) is parallel to the radial section of the inner shell (2), and the other side of the positioning groove (10) is inclined to the radial section of the inner shell (2).

5. A combustible gas detector suitable for salt fog and high humidity environment according to claim 2, characterized in that: A notch (14) is provided between the groove (8) and the end surface of the outer shell (1).

6. A combustible gas detector suitable for salt fog and high humidity environment according to claim 1, characterized in that: A pair of levers (15) are fixedly arranged on the inner shell (2).

7. The combustible gas detector suitable for salt fog and high humidity environment according to claim 1 is characterized in that: The outer shell (1) is provided with a pair of mounting holes (13).

8. The combustible gas detector suitable for salt fog and high humidity environment according to claim 1 is characterized in that: One end surface of the inner shell (2) is provided with a mounting groove (6) capable of penetrating the second opening (5); after the waterproof breathable membrane (7) is inserted into the mounting groove (6), multiple pairs of the second openings (5) can be blocked.

Images