SF6 gas detection device capable of being combined with infrared detection

Abstract

The utility model relates to the technical field of gas detection, and discloses an SF6 gas detection device capable of being combined with infrared detection. The SF6 gas detection device capable of being combined with infrared detection comprises a connecting pipe, a bent pipe is fixedly mounted above the connecting pipe, a connecting flange is fixedly mounted at the top end of the connecting pipe and the bottom end of the bent pipe, a connecting bolt is mounted above the connecting flange in a penetrating manner, a nut is mounted at the bottom end of the connecting bolt in a penetrating manner, and the connecting flange is fixedly connected with the bent pipe. The size of a pipe cavity of the bent pipe is consistent with the size of a vertical part of a pipe cavity of the connecting pipe, the limiting pipe is installed at the bottom end of the connecting pipe and the front end of the bent pipe, the limiting pipe is movably connected with the connecting pipe and the bent pipe through a thread structure, and a filter screen is fixedly installed in the limiting pipe; the elbow pipe can prevent dust from entering the connecting pipe through the top end of the connecting pipe in the falling process, meanwhile, the filter screen can also capture the dust in the air, and in this way, the dust can be prevented from being attached to the surface of the probe to affect the detection result.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection technical field, concretely is a kind of SF6 gas detection device of infrared detection can be combined. BACKGROUND

[0002] At present, in order to ensure that each electrical equipment has good insulation performance and safety, SF6 gas is mostly added in electrical equipment as insulation gas, and the insulation gas can cause safety accidents when the concentration is too high, so it is necessary to monitor the safety of electrical equipment.

[0003] The existing Chinese utility model patent with the publication number CN217359827U discloses an SF6 gas detection device, which comprises a mounting base plate, a detection device body is mounted on the front side of the mounting base plate, an opening is formed through the lower end surface of the detection device body, an air inlet shell is transversely inserted into the lower end surface of the detection device body, an opening is formed in the upper end of the air inlet shell, ventilation grooves are uniformly distributed on the lower side wall surface of the air inlet shell, a fixed base plate is fixedly arranged on the right side of the mounting base plate and is attached to the right side wall surface of the detection device body and the right side wall surface of the air inlet shell, a rotating base plate is arranged on the left side of the mounting base plate and is attached to the right side wall surface of the detection device body and the right side wall surface of the air inlet shell, the lower end of the rotating base plate is hingedly connected to the mounting base plate, and a limiting assembly is arranged on the rotating base plate and the mounting base plate to limit the rotation of the rotating base plate.

[0004] The existing SF6 gas detection device generally exposes the probe to the gas environment, and when the target gas leaks, it will be affected by the gas density and deposited below. This method cannot effectively detect gas leakage, and dust particles in the external environment will adhere to the probe surface over time, affecting the detection results. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides an SF6 gas detection device that can combine infrared detection, which has the advantages of avoiding dust affecting the detection results and improving detection accuracy, and solves the above technical problems.

[0007] (II) Technical solutions

[0008] To achieve the above object, the utility model provides the following technical scheme: A SF6 gas detection device can combine infrared detection, which comprises: a connecting pipe, the upper portion of connecting pipe is fixedly installed with an elbow pipe, the top of connecting pipe and the bottom of elbow pipe are fixedly installed with a connecting flange, the upper portion of connecting flange is insertedly installed with a connecting bolt, the bottom of connecting bolt is insertedly installed with a nut, the front end of elbow pipe is movably installed with a limiting pipe, the inside of limiting pipe is fixedly installed with a filter screen, the front side of connecting pipe is insertedly installed with a SF6 gas detector and an infrared gas detector, the inside of connecting pipe is fixedly installed with a fixing frame, the inside of fixing frame is fixedly installed with a driving motor, the outer side of the rotating shaft of driving motor is insertedly installed with a fan blade, the outer edge of fan blade is fixedly installed with a connecting ring, the outer side of connecting ring is fixedly installed with a connecting bearing, and the fixing frame can limit the position of driving motor.

[0009] As the preferred technical scheme of the utility model, the front side of the connecting pipe is provided with two horizontal tubular branches pointing forward, the connecting bolt is symmetrically inserted into the four corners of the connecting flange with the center of the connecting flange as the reference, and the connecting pipe can limit the infrared light emitted by the probe of the SF6 gas detector and the infrared gas detector.

[0010] As the preferred technical scheme of the utility model, the connecting bolt vertically penetrates the connecting flange at the bottom end of the elbow pipe and the connecting flange at the top end of the connecting pipe, and the nut is located below the connecting flange at the top end of the connecting pipe; the connecting flange, the connecting bolt and the nut can facilitate the connection of the elbow pipe and the connecting pipe.

[0011] As the preferred technical scheme of the utility model, the elbow pipe is fixedly connected between the connecting flange and the connecting pipe, the size of the lumen of the elbow pipe is consistent with the size of the vertical part of the lumen of the connecting pipe; the elbow pipe can limit the gas discharge direction and block the dust from entering the inside of the connecting pipe.

[0012] As the preferred technical scheme of the utility model, the limiting pipe is also installed at the bottom end of the connecting pipe, the limiting pipe is movably connected between the connecting pipe and the elbow pipe through a threaded structure, and the probe of the SF6 gas detector is located at the center of the vertical lumen of the connecting pipe; the limiting pipe can limit the position of the filter screen.

[0013] As the preferred technical scheme of the utility model, the driving motor is fixedly connected between the fixing frame and the connecting pipe, and the center of the driving motor is located at the center of the vertical lumen of the connecting pipe; the driving motor can drive the fan blade to rotate.

[0014] As the preferred technical scheme of the utility model, the fan blade is fixedly connected with the rotating shaft of the driving motor through the penetrating mode, the connecting bearing is symmetrically installed on the upper and lower ends of the outer side of the connecting ring, and the connecting ring is rotatably connected with the connecting pipe through the connecting bearing.

[0015] Compared with the prior art, the SF6 gas detection device provided by the utility model can combine infrared detection, and has the following beneficial effects.

[0016] 1、The utility model discloses a limiting pipe is installed at the bottom of the connecting pipe and the front end of the elbow pipe, and the limiting pipe is movably connected with the connecting pipe and the elbow pipe through the threaded structure, a filter screen is fixedly installed in the limiting pipe, the elbow pipe can prevent dust from entering the inside of the connecting pipe through the top end of the connecting pipe during falling, and the filter screen can also capture dust in the air, which can prevent dust from adhering to the surface of the probe and affecting the detection result.

[0017] 2、The utility model discloses a driving motor, the driving motor is fixedly connected with the connecting pipe through the fixing frame, the center of the driving motor is located at the center of the vertical pipe cavity of the connecting pipe, the fan blade is fixedly connected with the rotating shaft of the driving motor through the penetrating mode, the connecting bearing is symmetrically installed on the upper and lower ends of the outer side of the connecting ring, the connecting ring is rotatably connected with the connecting pipe through the connecting bearing, when the driving motor starts, the fan blade can be driven to rotate to generate vertical upward airflow in the pipe cavity of the connecting pipe, so that external air is sucked into the inside of the connecting pipe from the bottom of the connecting pipe, the gas can be moved upward under the driving of the fan blade and be detected by the SF6 gas detector and the infrared gas detector during the moving process, which can form circulation between the air in the connecting pipe and the external air, generate gas flow in the external environment, drive the deposited target gas, avoid the deposition of the target gas at the bottom of the space, and the situation that the target gas cannot be detected by the device. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the elbow pipe mounting structure schematic diagram of the utility model;

[0020] Figure 3 It is the infrared gas detector mounting structure schematic diagram of the utility model;

[0021] Figure 4 It is the fan blade mounting structure schematic diagram of the utility model;

[0022] Wherein: 1, connecting pipe; 11, elbow; 12, connecting flange; 13, connecting bolt; 14, nut; 15, limiting pipe; 16, filter screen; 17, SF6 gas detector; 18, infrared gas detector; 19, fixing frame; 110, driving motor; 111, fan blade; 112, connecting ring; 113, connecting bearing. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0024] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. Therefore, it cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Please refer to Figure 1 - Figure 4 In the present embodiment, a SF6 gas detection device combined with infrared detection includes: a connecting pipe 1, a bend pipe 11 is fixedly installed above the connecting pipe 1, a connecting flange 12 is fixedly installed at the top end of the connecting pipe 1 and the bottom end of the bend pipe 11, a connecting bolt 13 is inserted and installed above the connecting flange 12, a nut 14 is inserted and installed at the bottom end of the connecting bolt 13, a limiting pipe 15 is movably installed at the front end of the bend pipe 11, a filter screen 16 is fixedly installed inside the limiting pipe 15, a SF6 gas detector 17 and an infrared gas detector 18 are inserted and installed at the front side of the connecting pipe 1, a fixing frame 19 is fixedly installed inside the connecting pipe 1, a driving motor 110 is fixedly installed inside the fixing frame 19, a fan blade 111 is inserted and installed outside the rotating shaft of the driving motor 110, a connecting ring 112 is fixedly installed at the outer edge of the fan blade 111, and a connecting bearing 113 is fixedly installed outside the connecting ring 112.

[0027] Two horizontally pointing forward tubular branches are provided on the front side of the connecting pipe 1. The connecting bolts 13 are symmetrically inserted at the four corners of the connecting flange 12 with the center of the connecting flange 12 as the reference. The connecting bolts 13 vertically pass through the connecting flange 12 at the bottom of the bend 11 and the connecting flange 12 at the top of the connecting pipe 1. The nut 14 is located below the connecting flange 12 at the top of the connecting pipe 1. The bend 11 is fixedly connected to the connecting pipe 1 through the connecting flange 12. The size of the bend 11 is the same as the size of the vertical part of the connecting pipe 1. The limiting tube 15 is also installed at the bottom of the connecting pipe 1. The limiting tube 15 passes through... The threaded structure forms a movable connection with the connecting pipe 1 and the bend 11. The probe of the SF6 gas detector 17 is located at the center of the vertical cavity of the connecting pipe 1. The drive motor 110 is fixedly connected to the connecting pipe 1 through the fixing bracket 19, and the center of the drive motor 110 is located at the center of the vertical cavity of the connecting pipe 1. The fan blade 111 is fixedly connected to the rotating shaft of the drive motor 110 through an interlocking method. The connecting bearing 113 is symmetrically installed at the upper and lower ends of the outer side of the connecting ring 112. The connecting ring 112 is rotatably connected to the connecting pipe 1 through the connecting bearing 113.

[0028] Specifically, the connecting pipe 1 restricts the gas from passing through the probe of the SF6 gas detector 17 and the infrared light emitted by the infrared gas detector 18. The bend 11 restricts the gas discharge direction and prevents dust from entering the interior of the connecting pipe 1. The connecting flange 12, connecting bolts 13, and nuts 14 facilitate the connection between the bend 11 and the connecting pipe 1. The limiting pipe 15 restricts the position of the filter screen 16, which performs a filtering function. The SF6 gas detector 17 and the infrared gas detector 18 can detect the gas inside the connecting pipe 1. The fixing bracket 19 restricts the position of the drive motor 110, which drives the fan blade 111 to rotate. When the fan blade 111 rotates, it generates a vertically upward airflow inside the cavity of the connecting pipe 1. The connecting ring 112 restricts the position of the outer edge of the fan blade 111. The connecting bearing 113 facilitates the rotation of the connecting ring 112.

[0029] In use, the elbow pipe 11 lumen size and connecting pipe 1 lumen vertical part size consistent, limit pipe 15 is installed at the bottom end of the connecting pipe 1 and the front end of the elbow pipe 11, limit pipe 15 through the threaded structure and connecting pipe 1, elbow pipe 11 between the movable connection, the inside of the limit pipe 15 is fixedly installed with filter screen 16, the elbow pipe 11 can avoid dust in the process of falling through the top end of the connecting pipe 1 into the inside of the connecting pipe 1, at the same time, the filter screen 16 can also capture dust in the air, this way can avoid dust adhere to the surface of the probe, affect the detection result, drive motor 110 through the fixed frame 19 and connecting pipe 1 between the fixed connection, and the center of the drive motor 110 is located in the center of the vertical lumen of the connecting pipe 1, the fan blade 111 through the way and the drive motor 110 between the fixed connection of the shaft, connecting bearing 113 upper and lower symmetry is installed on the outside of the upper and lower ends of the connecting ring 112, the connecting ring 112 through the connecting bearing 113 and connecting pipe 1 between the rotary connection, when the drive motor 110 starts, can drive the fan blade 111 rotates in the connecting pipe 1 lumen inside produces vertical upward airflow, so as to suck the external air from the bottom of the connecting pipe 1 into the connecting pipe 1 inside, the gas will be driven by the fan blade 111, move upward, and in the process of moving is detected by SF6 gas detector 17, infrared gas detector 18, this way can make the air in the connecting pipe 1 and the outside air between the formation circulation, in the external environment produces gas flow, so as to drive the deposited target gas, avoid the target gas deposition in the space bottom, cannot be detected by the device.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially changed without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An SF6 gas detection device that can be combined with infrared detection, characterized in that, include: A connecting pipe (1) is provided, with a bend (11) fixedly installed above it. A connecting flange (12) is fixedly installed at the top of the connecting pipe (1) and the bottom of the bend (11). A connecting bolt (13) is inserted above the connecting flange (12), and a nut (14) is inserted at the bottom of the connecting bolt (13). A limiting tube (15) is movably installed at the front end of the bend (11), and a filter screen (16) is fixedly installed inside the limiting tube (15). (1) An SF6 gas detector (17) and an infrared gas detector (18) are interspersed on the front side. A fixing frame (19) is fixedly installed inside the connecting pipe (1). A drive motor (110) is fixedly installed inside the fixing frame (19). A fan blade (111) is interspersed on the outside of the shaft of the drive motor (110). A connecting ring (112) is fixedly installed on the outer edge of the fan blade (111). A connecting bearing (113) is fixedly installed on the outside of the connecting ring (112).

2. The SF6 gas detection device that can be combined with infrared detection according to claim 1, characterized in that: The front side of the connecting pipe (1) is provided with two horizontally forward-pointing tubular branches, and the connecting bolts (13) are symmetrically inserted at the four corners of the connecting flange (12) with the center of the connecting flange (12) as the reference.

3. The SF6 gas detection device that can be combined with infrared detection according to claim 1, characterized in that: The connecting bolt (13) vertically penetrates the connecting flange (12) at the bottom of the bend (11) and the connecting flange (12) at the top of the connecting pipe (1), and the nut (14) is located below the connecting flange (12) at the top of the connecting pipe (1).

4. The SF6 gas detection device that can be combined with infrared detection according to claim 1, characterized in that: The bend (11) is fixedly connected to the connecting pipe (1) via the connecting flange (12), and the size of the bend (11) cavity is the same as the size of the vertical part of the connecting pipe (1) cavity.

5. An SF6 gas detection device that can be combined with infrared detection according to claim 1, characterized in that: The limiting tube (15) is also installed at the bottom end of the connecting tube (1). The limiting tube (15) is connected to the connecting tube (1) and the bend (11) by means of a threaded structure. The probe of the SF6 gas detector (17) is located at the center of the vertical cavity of the connecting tube (1).

6. An SF6 gas detection device that can be combined with infrared detection according to claim 1, characterized in that: The drive motor (110) is fixedly connected to the connecting pipe (1) through the fixing frame (19), and the center of the drive motor (110) is located at the center of the vertical cavity of the connecting pipe (1).

7. An SF6 gas detection device that can be combined with infrared detection according to claim 1, characterized in that: The fan blade (111) is fixedly connected to the shaft of the drive motor (110) by interlocking. The connecting bearing (113) is symmetrically installed at the upper and lower ends of the outer side of the connecting ring (112). The connecting ring (112) is rotatably connected to the connecting pipe (1) through the connecting bearing (113).

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