Switch cabinet partial discharge characteristic gas monitoring equipment

Abstract

The utility model discloses partial discharge characteristic gas monitoring equipment for a switch cabinet. The partial discharge characteristic gas monitoring equipment comprises a machine body, a mounting frame, a display, a sampling tube and a filtering structure, by arranging the filtering structure, the filtering cotton is placed on the surface of the positioning frame and then placed in the sleeve, then the sleeve is arranged on the surface of the sampling pipe in a sleeving mode and slides downwards to be in butt joint with the clamping base, the inserting block can be inserted into the clamping base along with the sleeve, and when the sleeve is completely inserted into the clamping base, the clamping block is clamped in the clamping base, so that the sampling pipe is completely inserted into the clamping base. According to the switch cabinet, installation of the sleeve is completed, the filter cotton and the positioning frame arranged in the sleeve can be clamped by the sampling pipe and the sleeve to achieve fixation, when the sampling pipe collects local gas of the switch cabinet, the gas can pass through the filter cotton, the filter cotton can filter dust in the gas, the filtering effect is achieved, and the dust is prevented from affecting the detection effect.

Description

Technical Field

[0001] The utility model relates to the field related to switch cabinets, in particular to a switch cabinet partial discharge characteristic gas monitoring device. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as power plants, etc. Some are also equipped with low-frequency load reduction to protect the main equipment. The local discharge characteristic gas detection equipment of the switch cabinet is to identify the discharge fault of the switch cabinet.

[0003] Existing patent: CN218331820U, a portable switch cabinet partial discharge characteristic gas monitoring device, belongs to the field of power technology, the portable switch cabinet partial discharge characteristic gas monitoring device includes a gas analysis device, a gas monitoring component and a connecting device, the gas analysis device and the gas monitoring component are installed in the shell, the connecting device is installed on the outer wall of the shell and the outer wall of the switch cabinet, the gas monitoring component includes a dust removal device, a gas collection device and a gas sensor array; the gas collection device includes a vacuum pump, the air inlet of the vacuum pump is connected to an air inlet pipe, a dust removal device is installed in front of the air inlet of the air inlet pipe, and the dust removal device is connected to the connecting device. The gas monitoring device is easy to carry and can be installed on the switch cabinet that needs to be monitored according to needs. There is no need to fix each switch cabinet, which can reduce the cost of purchasing the device. The collected gas is also dust-removed to prevent misjudgment of gas detection caused by sand and dust.

[0004] The above patents or existing gas detection devices have the following problems:

[0005] The sampling tube of the existing gas detection equipment collects gas around the switch cabinet and then identifies the discharge fault by detecting the gas. During the collection process, dust in the air will also enter. The dust can easily affect the detection effect and cause inaccurate detection. Utility Model Content

[0006] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a switch cabinet partial discharge characteristic gas monitoring device.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a switch cabinet partial discharge characteristic gas monitoring device, including a body, a mounting frame is arranged at the bottom of the body, a display is arranged at the front end of the body, a sampling tube is arranged at the top of the body, a filtering structure is arranged at the top of the body, the filtering structure includes a sleeve, the sleeve is sleeved on the surface of the sampling tube, a holder is arranged at the top of the body, a positioning frame is arranged inside the sleeve, filter cotton is placed on the surface of the positioning frame, an insert block is arranged at the lower end of the sleeve, a spring plate is arranged in the insert block, and a card block is arranged on the surface of the spring plate.

[0008] Preferably, a raised ring is provided on the outer side edge of the positioning frame, and the filter cotton is placed in the raised ring. When the filter cotton is placed in the raised ring, the filter cotton is higher than the top surface of the raised ring.

[0009] Preferably, the positioning frame is in an arc shape, and the filter cotton on the positioning frame can protrude from the sleeve.

[0010] Preferably, when the positioning frame is placed in the sleeve and the sleeve is placed on the sampling tube, the positioning frame will be clamped and fixed by the sleeve and the sampling tube.

[0011] Preferably, the surface of the upper end of the card seat that contacts the card block is an inclined surface, and the lower end of the card block is an inclined surface.

[0012] Preferably, a pressure block is provided on the outer surface of the spring plate, the upper end of the pressure block is an inclined surface, and the pressure block protrudes from the outer surface of the insert block.

[0013] Beneficial effects of the utility model:

[0014] The utility model is provided with a filtering structure, and filter cotton is placed on the surface of a positioning frame, which is then placed in a sleeve, and then the sleeve is sleeved on the surface of a sampling tube and the sleeve is slid downward to make it contact with the holder, and the plug block is inserted into the holder following the sleeve, and when the sleeve is fully inserted into the holder, the block is stuck inside the holder, and the installation of the sleeve is completed, and the filter cotton and the positioning frame built into the sleeve are clamped by the sampling tube and the sleeve to achieve fixation, and when the sampling tube collects local gas in the switch cabinet, the gas will pass through the filter cotton, and the filter cotton will filter dust in the gas to achieve a filtering effect, thereby preventing dust from affecting the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a front view structural diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of the filter structure of the utility model;

[0018] Figure 4 It is a front view cross-sectional structural schematic diagram of the positioning frame of the utility model.

[0019] Among them: body-1, mounting frame-2, display-3, sampling tube-4, filtering structure-5, sleeve-51, holder-52, positioning frame-53, filter cotton-54, plug-in block-55, spring plate-56, clamping block-57, pressure block-58, raised ring-531. DETAILED DESCRIPTION

[0020] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0021] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a switch cabinet partial discharge characteristic gas monitoring device, including a body 1, a mounting frame 2 is fixed to the bottom of the body 1 by bolts, the mounting frame 2 is fixed to the switch cabinet by screws, so that the body 1 is fixed to the switch cabinet, a display 3 is arranged at the front end of the body 1 for displaying discharge fault data, a sampling tube 4 is arranged on the top of the body 1, the sampling tube 4 collects the gas in the switch cabinet, and then analyzes and detects it through the body 1 to detect the partial discharge characteristic gas of the switch cabinet, and a filtering structure 5 is arranged on the top of the body 1.

[0022] See also Figure 2 , Figure 3 and Figure 4 The utility model provides a switch cabinet partial discharge characteristic gas monitoring device, the filtering structure 5 includes a sleeve 51, the sleeve 51 is sleeved on the surface of the sampling tube 4, a circular arc-shaped positioning frame 53 is placed inside the sleeve 51, the outer ring of the positioning frame 53 is integrally formed with a raised ring 531, and a filter cotton 54 is placed in the raised ring 531. The circular arc-shaped positioning frame 53 can push the filter cotton 54 out of the sleeve 51 to prevent dust from remaining, and when the filter cotton 54 is placed in the raised ring 531, it is higher than the raised ring 531. When the sleeve 51 is sleeved on the surface of the sampling tube 4, the filter cotton 54 will be pushed to be firmly fixed in the sleeve 51. A holder 52 is arranged on the top of the body 1, and the sleeve 51 An insert block 55 is integrally formed at the lower end of the outer side, and the insert block 55 can be plugged into the holder 52 together with the sleeve 51. A spring plate 56 with a bendable end is integrally formed in the insert block 55. A clamping block 57 is arranged on the surface of the spring plate 56. The clamping block 57 can be clamped into the holder 52 to fix the sleeve 51. A pressing block 58 with an inclined upper end is integrally formed on the outer surface of the spring plate 56, and the pressing block 58 protrudes from the surface of the insert block 55. Pushing the pressing block 58 downward can press the spring plate 56, which improves the convenience of disassembly. The surface of the upper end of the holder 52 in contact with the clamping block 57 is an inclined surface, and the lower end of the clamping block 57 is an inclined surface, which makes it more convenient for the clamping block 57 to be clamped into the holder 52.

[0023] The filter cotton 54 is placed on the surface of the positioning frame 53, and then placed in the sleeve 51, and then the sleeve 51 is put on the surface of the sampling tube 4, and the sleeve 51 is slid downward to make it contact with the holder 52. At this time, the plug block 55 will also be inserted into the holder 52. At the same time, the block 57 will be forced to push the spring plate 56, so that the spring plate 56 is deformed and generates elastic force. When the sleeve 51 is fully inserted into the holder 52, the spring plate 56 loses its force and resets. At this time, the block 57 is stuck in the holder 52, and the installation of the sleeve 51 is completed. The filter cotton 54 and the positioning frame 53 built into the sleeve 51 will be clamped by the sampling tube 4 and the sleeve 51 to achieve fixation. When the sampling tube 4 collects local gas in the switch cabinet, the gas will pass through the filter cotton 54, and the filter cotton 54 will filter the dust in the gas to achieve the filtering effect and avoid dust affecting the detection effect.

[0024] The above description is only a preferred example of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A switch cabinet partial discharge characteristic gas monitoring device, comprising a body (1), a mounting frame (2) is arranged at the bottom of the body (1), a display (3) is arranged at the front end of the body (1), and a sampling tube (4) is arranged at the top of the body (1); Features: The machine body (1) further comprises a filtering structure (5), wherein the filtering structure (5) is arranged at the top of the machine body (1), the filtering structure (5) comprises a sleeve (51), the sleeve (51) is sleeved on the surface of the sampling tube (4), a holder (52) is arranged at the top of the machine body (1), a positioning frame (53) is arranged inside the sleeve (51), filter cotton (54) is placed on the surface of the positioning frame (53), an insert block (55) is arranged at the lower end of the sleeve (51), a spring plate (56) is arranged in the insert block (55), and a clamping block (57) is arranged on the surface of the spring plate (56).

2. The switch cabinet partial discharge characteristic gas monitoring device according to claim 1 is characterized in that: The outer side edge of the positioning frame (53) is provided with a raised ring (531), and the filter cotton (54) is placed in the raised ring (531). When the filter cotton (54) is placed in the raised ring (531), the filter cotton (54) is higher than the top surface of the raised ring (531).

3. The switch cabinet partial discharge characteristic gas monitoring device according to claim 2 is characterized in that: The positioning frame (53) is in an arc shape, and the filter cotton (54) on the positioning frame (53) can protrude from the sleeve (51).

4. The switch cabinet partial discharge characteristic gas monitoring device according to claim 2, characterized in that: The positioning frame (53) is placed in the sleeve (51), and when the sleeve (51) is sleeved on the sampling tube (4), the positioning frame (53) is clamped and fixed by the sleeve (51) and the sampling tube (4).

5. The switch cabinet partial discharge characteristic gas monitoring device according to claim 1, characterized in that: The surface of the upper end of the clamping seat (52) in contact with the clamping block (57) is an inclined surface, and the lower end of the clamping block (57) is an inclined surface.

6. The switch cabinet partial discharge characteristic gas monitoring device according to claim 1, characterized in that: A pressing block (58) is provided on the outer surface of the spring plate (56), the upper end of the pressing block (58) is an inclined surface, and the pressing block (58) protrudes from the outer surface of the insert block (55).

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