Combustible gas detector for regional pressure regulating station

Abstract

The utility model provides a combustible gas detector for a regional pressure regulating station, which is characterized in that a controller is arranged in a main shell, an upper cover is sleeved at the upper end of the main shell through threaded connection, the inner wall of the upper cover is in threaded connection with the outer wall of a pressing ring, and a cylindrical sensor interface is convexly arranged at the lower end of the main shell; the outer wall of the sensor interface is sleeved with the sensor shell through threaded connection, the sensor is fixedly installed on the inner side of the upper portion of the sensor shell, the outer wall of the sensor is matched with the inner wall of the sensor interface, the sensor is in communication connection with the controller, an antenna connector is arranged on the side face of the main shell and provided with an antenna, and the antenna is in communication connection with the controller; according to the utility model, an integral explosion-proof design is adopted, including the interface thread design of the sensor, the thread and integrated strength design of the antenna interface, the thread design of the upper cover, and the encapsulation of the upper cover and the toughened glass, so that the explosion-proof sensor can be applied to regional pressure regulating stations (boxes) and industrial and commercial users, and is safe and reliable to use.

Description

Technical Field

[0001] This utility model relates to the field of gas detector technology, and in particular to a combustible gas detector for a regional pressure regulating station. Background Technology

[0002] When methane gas concentration detectors are used in regional pressure regulating stations (boxes) and industrial and commercial users, the internal environment of the detector needs to be relatively stable, which places high demands on the explosion-proof design of the housing. Existing technology is insufficient in the explosion-proof design of the detector and does not support its use in regional pressure regulating stations. Summary of the Invention

[0003] The purpose of this invention is to provide a combustible gas detector for a regional pressure regulating station.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A combustible gas detector for a regional pressure regulating station includes a top cover, a main housing, a sensor housing, and a sensor. A controller is housed within the main housing. The top cover is threadedly fitted onto the upper end of the main housing. The inner wall of the top cover and the outer wall of the pressure ring are threaded together. Tempered glass is placed between the top cover and the pressure ring, and epoxy resin is used to fill the space between them. A cylindrical sensor interface protrudes from the lower end of the main housing. The sensor housing is threadedly fitted onto the outer wall of the sensor interface. The sensor is fixedly installed on the inner side of the upper part of the sensor housing. The outer wall of the sensor and the inner wall of the sensor interface mate. The sensor communicates with the controller. An antenna connector is located on the side of the main housing. A clamping screw is screwed into the antenna connector. The clamping screw and the inner wall of the antenna connector are threaded together. A sealing ring is filled between the clamping screw and the antenna connector. An antenna is fixedly installed at the outer end of the clamping screw. The antenna communicates with the controller.

[0006] Furthermore, a controller compartment is provided on the upper part of the main housing, and the controller is fixed inside the controller compartment. The controller compartment is fixedly connected to the opening at the upper end of the main housing, and the controller is powered by an AC 220V to DC 24V distribution box.

[0007] Furthermore, the tempered glass is fixed between the upper cover and the controller compartment, and a pressure ring is provided between the inner wall of the upper cover and the outer wall of the controller compartment. The inner wall of the upper cover and the pressure ring are connected by threads.

[0008] Furthermore, the controller is powered by a 3.6V lithium battery.

[0009] Furthermore, a battery compartment is provided on the upper part of the main housing, and the controller is fixed to the upper end of the battery compartment. The battery compartment is fixedly connected to the opening at the upper end of the main housing. The battery compartment accommodates a 3.6V lithium battery, which powers the controller.

[0010] Furthermore, the tempered glass is fixed between the top cover and the battery compartment, and a pressure ring is provided between the inner wall of the top cover and the outer wall of the battery compartment. The inner wall of the top cover and the pressure ring are connected by threads.

[0011] This utility model adopts an overall explosion-proof design, including the sensor interface thread design, the antenna interface thread and integrated strength design, the top cover thread design, and the top cover and tempered glass encapsulation. It can be applied to regional voltage regulating stations (boxes) and industrial and commercial users, and is safe and reliable to use. Attached Figure Description

[0012] Figure 1 This is a blasting diagram of the present invention;

[0013] Figure 2 This is a structural diagram of the present invention.

[0014] Figure 3 These are left and right sectional views of Example 1;

[0015] Figure 4 for Figure 3 A magnified view of a portion of the image;

[0016] Figure 5 This is a front and rear sectional view of Example 1;

[0017] Figure 6 This is a front and rear sectional view of Example 2.

[0018] Figure label:

[0019] 1. Top cover, 2. Tempered glass, 3. Pressure ring, 4. Controller, 5. Main housing;

[0020] 6. Sensor housing; 7. Sensor; 8. Controller compartment; 9. Battery compartment; 10. Sensor interface;

[0021] 11 Antenna connector, 12 Clamping screw, 13 Sealing ring, 14 Flame arrestor, 15 Lithium battery. Detailed Implementation

[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] This utility model discloses a combustible gas detector for a regional pressure regulating station, such as Figure 1 As shown, it includes an upper cover 1, a main housing 5, a sensor housing 6, and a sensor 7. The main housing 5 is made of cast aluminum and contains a controller 4. The upper cover 1 is threadedly connected to the upper end of the main housing 5. The inner wall of the upper cover 1 is threadedly connected to the outer wall of the pressure ring 3.

[0024] like Figure 1 and Figure 2 As shown, the lower end of the main housing 5 has a protruding sensor interface 10, which is cylindrical. The sensor housing 6 is threaded onto the outer wall of the sensor interface 10. The number of threads between the sensor housing 6 and the sensor interface 10 is ≥5. The sensor 7 is fixedly installed on the inner side of the upper part of the sensor housing 6. A flame arrestor 14 is filled between the bottom end of the sensor 7 and the sensor housing 6. The sensor 7 is connected to the controller 4. The outer wall of the sensor 7 and the inner wall of the sensor interface 10 are fitted together. Epoxy resin is used to fill the gap between the outer wall of the sensor 7 and the inner wall of the sensor interface 10. Epoxy resin is also used to fill the gap between the top end of the sensor interface 10 and the top end of the sensor 7.

[0025] An antenna connector 11 is provided on the side of the main housing 5. A clamping screw 12 is screwed into the antenna connector 11. The clamping screw 12 and the inner wall of the antenna connector 11 are connected by threads. The number of threads between the clamping screw 12 and the main housing 5 is ≥5. A sealing ring 13 is filled between the clamping screw 12 and the antenna connector 11. An antenna is fixedly installed on the outer end of the clamping screw 12. The antenna is connected to the controller 4 for communication.

[0026] Infrared technology is used to wirelessly configure the parameters of the controller 4 and sensor 7. The configuration parameters of the space methane gas concentration detection device for regional stations and industrial and commercial users can be set via infrared remote control.

[0027] In Example 1, the controller 4 is powered by an AC 220V to DC 24V distribution box, such as... Figures 3-5 As shown, the upper part of the main housing 5 is provided with a controller compartment 8, the controller 4 is fixed in the controller compartment 8, and the controller compartment 8 is fixedly connected to the opening at the upper end of the main housing 5.

[0028] A tempered glass 2 is provided between the top cover 1 and the upper end of the battery compartment 9. The tempered glass 2 serves as a transparent window, allowing direct observation of the controller 4 panel parameters. A pressure ring 3 is provided between the inner wall of the top cover 1 and the outer wall of the controller compartment 8. The inner wall of the top cover 1 and the pressure ring 3 are connected by threads.

[0029] In Example 2, as Figure 6As shown, the controller 4 is powered by a 3.6V lithium battery 15. The upper part of the main housing 5 is provided with a battery compartment 9. The controller 4 is fixed to the upper end of the battery compartment 9. The battery compartment 9 and the opening at the upper end of the main housing 5 are fixedly connected. The battery compartment 9 houses the lithium battery 15, and the lithium battery 15 powers the controller 4.

[0030] Tempered glass 2 is provided between the top cover 1 and the upper end of the battery compartment 9. The tempered glass 2 serves as a transparent window, allowing direct observation of the controller 4 panel parameters. A pressure ring 3 is provided between the inner wall of the top cover 1 and the outer wall of the battery compartment 9. The inner wall of the top cover 1 and the pressure ring 3 are connected by threads.

[0031] In the two embodiments described above, the top cover 1 and the tempered glass 2 are bonded together with epoxy resin to meet the IP65 protection level requirement.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A combustible gas detector for a regional pressure regulating station, characterized in that, The system includes a top cover (1), a pressure ring (3), a main housing (5), a sensor housing (6), and a sensor (7). A controller (4) is located inside the main housing (5). The top cover (1) is threaded onto the upper end of the main housing (5). The inner wall of the top cover (1) is threaded onto the outer wall of the pressure ring (3). Tempered glass (2) is located between the top cover (1) and the pressure ring (3). Epoxy resin is used to fill the space between the top cover (1) and the tempered glass (2). A sensor interface (10) protrudes from the lower end of the main housing (5). The sensor interface (10) is cylindrical. The sensor housing (6) is threaded onto the sensor interface. The sensor (7) is fixedly installed on the inner side of the upper part of the sensor housing (6) on the outer wall of the port (10). The outer wall of the sensor (7) and the inner wall of the sensor interface (10) are fitted together. The sensor (7) is connected to the controller (4) for communication. An antenna connector (11) is provided on the side of the main housing (5). A clamping screw (12) is screwed into the antenna connector (11). The clamping screw (12) and the inner wall of the antenna connector (11) are connected by threads. A sealing ring (13) is filled between the clamping screw (12) and the antenna connector (11). An antenna is fixedly installed on the outer end of the clamping screw (12). The antenna is connected to the controller (4) for communication.

2. The combustible gas detector for a regional pressure regulating station according to claim 1, characterized in that, The upper part of the main housing (5) is provided with a controller compartment (8), and the controller (4) is fixed inside the controller compartment (8). The controller compartment (8) and the opening at the upper end of the main housing (5) are fixedly connected. The controller (4) is powered by an AC 220V to DC 24V power distribution box.

3. The combustible gas detector for a regional pressure regulating station according to claim 2, characterized in that, The tempered glass (2) is fixed between the top cover (1) and the controller compartment (8), and the pressure ring (3) is located between the inner wall of the top cover (1) and the outer wall of the controller compartment (8). The inner wall of the top cover (1) and the pressure ring (3) are connected by threads.

4. The combustible gas detector for a regional pressure regulating station according to claim 1, characterized in that, The controller (4) is powered by a 3.6V lithium battery.

5. The combustible gas detector for a regional pressure regulating station according to claim 4, characterized in that, The upper part of the main housing (5) is provided with a battery compartment (9), and the controller (4) is fixed to the upper end of the battery compartment (9). The battery compartment (9) and the opening at the upper end of the main housing (5) are fixedly connected. The battery compartment (9) contains a 3.6V lithium battery, and the lithium battery powers the controller (4).

6. The combustible gas detector for a regional pressure regulating station according to claim 5, characterized in that, The tempered glass (2) is fixed between the top cover (1) and the battery compartment (9), and the pressure ring (3) is located between the inner wall of the top cover (1) and the outer wall of the battery compartment (9). The inner wall of the top cover (1) and the pressure ring (3) are connected by threads.

Images