CN215262293U - Gas monitoring structure of high-voltage switch - Google Patents
Gas monitoring structure of high-voltage switch Download PDFInfo
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- CN215262293U CN215262293U CN202121882058.5U CN202121882058U CN215262293U CN 215262293 U CN215262293 U CN 215262293U CN 202121882058 U CN202121882058 U CN 202121882058U CN 215262293 U CN215262293 U CN 215262293U
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- connecting seat
- shell
- voltage switch
- transparent cylinder
- gas monitoring
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Abstract
The utility model relates to the technical field of high-voltage switch equipment, in particular to a high-voltage switch gas monitoring structure; comprises a shell, wherein the side wall of the shell is provided with a mounting hole; the connecting seat is internally provided with a through hole structure; one end of the connecting seat penetrates through the mounting hole and extends into the shell; the middle section of the connecting seat is provided with a first pressing section, and after the structure is installed, the end surface of the first pressing section is abutted against the side wall of one side of the shell; the locking sleeve is sleeved at one end of the connecting seat extending into the shell through threads; one end of the transparent cylinder is fixedly connected with the other end of the connecting seat; a color-changing silica gel drying agent is placed in the transparent cylinder; and the pressure gauge is fixedly connected with the other end of the transparent cylinder and is used for detecting the gas concentration. The utility model aims at providing a high tension switchgear gas monitoring structure to the defect that exists among the prior art, in time remind personnel when gas leakage and moisture content exceed standard.
Description
Technical Field
The utility model relates to a high tension switchgear technical field especially relates to a high tension switchgear gas monitoring structure.
Background
The high-voltage switch is an important component in a power distribution system, and is arranged for improving the insulation strength and realizing a miniaturized product structureIs arranged in a metal box body, and gas filled in the metal box body is used as an insulating medium, and the common insulating gas is dry air or sulfur hexafluoride gas (SF)6) The gas insulated high-voltage switch has requirements on gas pressure design and gas moisture content in national standards, and a product can be detected through special equipment when leaving a factory, but the special equipment is inconvenient to carry, and the detection procedure is relatively complicated.
In view of the above problems, it is very necessary to monitor the gas in the gas insulated high-voltage switch box in real time, find out the gas leakage and the exceeding of the gas moisture content in time, warn the reduction of the gas insulation performance, and eliminate the potential safety hazard of the product as early as possible. The designer designs a high-voltage switch gas monitoring structure based on abundant practical experience and professional knowledge for years of engineering application of the products and by cooperating with the application of scholars, and actively carries out research and innovation, and the high-voltage switch gas monitoring structure can remind people in time when gas leakage and water content exceed standards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high tension switchgear gas monitoring structure to the defect that exists among the prior art, through the inside gas concentration of manometer monitoring high tension switchgear's casing, through discolour silica gel drier monitoring gas moisture content, in time remind personnel when gas leakage and moisture content exceed standard.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the method comprises the following steps: the side wall of the shell is provided with a mounting hole;
the connecting seat is internally provided with a through hole structure which penetrates through the length direction; one end of the connecting seat penetrates through the mounting hole and extends into the shell; the middle section of the connecting seat is provided with a first pressing section which extends outwards along the radial direction, and after the structure is installed, the end face of the first pressing section is abutted against the side wall of one side of the shell;
the locking sleeve is sleeved at one end of the connecting seat extending into the shell through threads; after the structure is installed, the end face of the locking sleeve is abutted against the side wall of the other side of the shell;
one end of the transparent cylinder is fixedly connected with the other end of the connecting seat; a allochroic silica gel drying agent is placed in the transparent cylinder;
and the pressure gauge is fixedly connected with the other end of the transparent cylinder and used for detecting the gas concentration.
Further, the device also comprises a sealing sleeve which is of a flexible structure; sealing sections extending outwards along the radial direction are arranged at the two ends of the sealing sleeve; the first pressing section is abutted against the side wall of one side of the shell through one sealing section, and the locking sleeve is abutted against the side wall of the other side of the shell through the other sealing section.
Furthermore, a plurality of convex first pressing strips are arranged on the end face, abutted against the sealing sleeve, of the first pressing section, and a plurality of convex second pressing strips are arranged on the end face, abutted against the sealing sleeve, of the locking sleeve.
Further, the device also comprises a sealing gasket; the middle section of the transparent cylinder is provided with a second pressing section which extends outwards along the radial direction, and after the structure is installed, the end face of the connecting seat and the end face of the second pressing section clamp the sealing gasket.
Furthermore, the connecting seat with be provided with bellied third layering on the terminal surface of sealed the pad butt, the second compress tightly the section with be provided with bellied fourth layering on the terminal surface of sealed pad butt.
Furthermore, a plurality of third pressing strips are arranged at intervals, and the fourth pressing strips are arranged corresponding to the intervals between every two third pressing strips.
Further, the connecting device also comprises a first blocking piece which is arranged between the connecting seat and the transparent cylinder; the center of the first baffle plate is provided with a plurality of through holes.
Furthermore, a second baffle is arranged inside one end, close to the pressure gauge, of the transparent cylinder; and a plurality of through holes are formed in the center of the second baffle.
Through the technical scheme of the utility model, can realize following technological effect:
the designed gas monitoring structure of the high-voltage switch is characterized in that a pressure gauge is communicated with the interior of a shell by using a connecting seat and a transparent cylinder, the concentration of insulating gas in the interior of the shell of the high-voltage switch is monitored by the pressure gauge, and personnel are reminded in time when gas leaks; through placing the silica gel drier that discolours in the transparent cylinder, personnel can also monitor the inside moisture content of casing to can reduce the moisture content of the gas that gets into in the manometer, thereby avoid the part of manometer to produce the corrosion, keep the measuring accuracy of manometer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gas monitoring structure of a high-voltage switch according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a gas monitoring structure of a high voltage switch in an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to an embodiment of the present invention;
fig. 4 is an enlarged view of the position B in fig. 2 according to the embodiment of the present invention;
FIG. 5 is a side exploded cross-sectional view of a high voltage switch gas monitoring structure in an embodiment of the present invention;
fig. 6 is a front view of the first blocking plate in the embodiment of the present invention;
fig. 7 is a cross-sectional view at C of fig. 5 in an embodiment of the present invention;
reference numerals: the sealing device comprises a shell 1, a connecting seat 2, a first pressing section 21, a first pressing strip 22, a third pressing strip 23, a locking sleeve 3, a second pressing strip 31, a transparent tube 4, a second pressing section 41, a fourth pressing strip 42, a second baffle 43, a pressure gauge 5, a sealing sleeve 6, a sealing section 61, a sealing gasket 7 and a first baffle 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A gas monitoring structure of a high-voltage switch is disclosed in FIGS. 1-7, which comprises: the side wall of the shell 1 is provided with a mounting hole;
the connecting seat 2 is internally provided with a through hole structure which penetrates through the length direction; one end of the connecting seat 2 penetrates through the mounting hole and extends into the shell 1; a first pressing section 21 extending outwards along the radial direction is arranged at the middle section of the connecting seat 2, and after the structure is installed, the end face of the first pressing section 21 is abutted against the side wall of one side of the shell 1;
the locking sleeve 3 is sleeved at one end of the connecting seat 2 extending into the shell 1 through threads; after the structure is installed, the end face of the locking sleeve 3 is abutted against the side wall of the other side of the shell 1;
one end of the transparent cylinder 4 is fixedly connected with the other end of the connecting seat 2; a allochroic silica gel drying agent is arranged in the transparent cylinder 4;
and the pressure gauge 5 is fixedly connected with the other end of the transparent cylinder 4 and is used for detecting the gas concentration.
Specifically, use connecting seat 2 and transparent cylinder 4 with manometer 5 and casing 1's inside intercommunication, instruct through manometer 5 the insulating gas pressure of 1 inside of high tension switchgear's casing, monitor gas concentration, reflect in real time at the insulating gas's of 1 inside of high tension switchgear's casing concentration, in time remind personnel when gas leakage internal pressure diminishes, personnel also can carry out accurate control to gas filled volume when aerifing simultaneously. Through placing the allochroic silica gel desiccant in the transparent cylinder 4, when the moisture content of the gas reaches a certain numerical value, the allochroic silica gel desiccant can change from one color to another color because of absorbing moisture, a color card and a description (a silica gel desiccant color and moisture content correspondence table) can be arranged on the transparent cylinder 4, and a person can visually see the change of the color through the transparent cylinder 4, so that the moisture content in the shell 1 is monitored.
In order to avoid gas leakage from the mounting hole of the housing 1, as shown in fig. 2 to 3 and 5, the gas leakage prevention device further comprises a sealing sleeve 6 which is of a flexible structure; two ends of the sealing sleeve 6 are provided with sealing sections 61 which extend outwards along the radial direction; the first pressing section 21 abuts against one side wall of the housing 1 through one sealing section 61, and the locking sleeve 3 abuts against the other side wall of the housing 1 through the other sealing section 61.
In order to further improve the sealing effect of the sealing sleeve 6, as shown in fig. 3, a plurality of convex first pressing strips 22 are arranged on the end face of the first pressing section 21 abutted to the sealing sleeve 6, and a plurality of convex second pressing strips 31 are arranged on the end face of the locking sleeve 3 abutted to the sealing sleeve 6.
In order to avoid gas leakage from the connection part of the connecting seat 2 and the transparent cylinder 4, as shown in fig. 2 and 4-5, a sealing gasket 7 is further included; the middle section of the transparent cylinder 4 is provided with a second pressing section 41 which extends outwards along the radial direction, and after the structure is installed, the end face of the connecting seat 2 and the end face of the second pressing section 41 clamp the sealing gasket 7.
In order to further improve the sealing effect of the sealing gasket 7, as shown in fig. 4, a convex third pressing strip 23 is arranged on the end face of the connecting seat 2 abutted to the sealing gasket 7, and a convex fourth pressing strip 42 is arranged on the end face of the second pressing section 41 abutted to the sealing gasket 7. Preferably, the third layering 23 interval is provided with a plurality of, and the fourth layering 42 corresponds the interval setting between every two third layering 23, and behind connecting seat 2 terminal surface and the tight sealed 7 of second section 41 terminal surface clamp gasket 7 that compresses tightly, can make sealed 7 form the broken line type, can effectively promote sealed effect.
In order to prevent the color-changing silica gel drying agent from falling off the transparent cylinder 4, as shown in fig. 5 to 7, the color-changing silica gel drying agent further comprises a first blocking piece 8 arranged between the connecting seat 2 and the transparent cylinder 4; the center of the first baffle 8 is provided with a plurality of through holes. Furthermore, a second baffle 43 is arranged inside one end of the transparent cylinder 4 close to the pressure gauge 5, the second baffle can be embedded into the transparent cylinder 4 into a whole, and a plurality of through holes are formed in the center of the second baffle 43. The first baffle plate 8 is independently arranged, so that the allochroic silica gel drying agent can be poured out from one end of the transparent cylinder 4 after the transparent cylinder 4 is disassembled; the second blocking piece 43 and the transparent cylinder 4 are integrally arranged, when a new allochroic silica gel drying agent is put in, the second blocking piece 43 can block the allochroic silica gel drying agent, and the allochroic silica gel drying agent is prevented from leaking from the other end; first separation blade 8 and second separation blade 43 homoenergetic make things convenient for placing and changing of color-changing silica gel drier, promote the installation effectiveness.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A high voltage switch gas monitoring arrangement comprising;
the side wall of the shell (1) is provided with a mounting hole;
the connecting seat (2) is internally provided with a through hole structure which penetrates through the length direction; one end of the connecting seat (2) penetrates through the mounting hole and extends into the shell (1); a first pressing section (21) extending outwards in the radial direction is arranged at the middle section of the connecting seat (2), and after the structure is installed, the end face of the first pressing section (21) is abutted against the side wall of one side of the shell (1);
the locking sleeve (3) is sleeved at one end, extending into the shell (1), of the connecting seat (2) in a threaded manner; after the structure is installed, the end face of the locking sleeve (3) is abutted against the side wall of the other side of the shell (1);
one end of the transparent cylinder (4) is fixedly connected with the other end of the connecting seat (2); a allochroic silica gel drying agent is placed in the transparent cylinder (4);
and the pressure gauge (5) is fixedly connected with the other end of the transparent cylinder (4) and is used for detecting the gas concentration.
2. High voltage switch gas monitoring arrangement according to claim 1, characterized in that it further comprises a sealing sleeve (6) of flexible construction; sealing sections (61) extending outwards in the radial direction are arranged at two ends of the sealing sleeve (6); the first pressing section (21) is abutted against one side wall of the shell (1) through one sealing section (61), and the locking sleeve (3) is abutted against the other side wall of the shell (1) through the other sealing section (61).
3. The high-voltage switch gas monitoring structure according to claim 2, wherein a plurality of first raised pressing strips (22) are arranged on the end face of the first pressing section (21) abutted against the sealing sleeve (6), and a plurality of second raised pressing strips (31) are arranged on the end face of the locking sleeve (3) abutted against the sealing sleeve (6).
4. High voltage switch gas monitoring arrangement according to claim 1, characterized in that it further comprises a sealing gasket (7); the middle section of the transparent cylinder (4) is provided with a second pressing section (41) which extends outwards along the radial direction, and after the structure is installed, the end face of the connecting seat (2) and the end face of the second pressing section (41) clamp the sealing gasket (7).
5. The high-voltage switch gas monitoring structure according to claim 4, wherein a convex third bead (23) is arranged on the end face of the connecting seat (2) abutting against the sealing gasket (7), and a convex fourth bead (42) is arranged on the end face of the second pressing section (41) abutting against the sealing gasket (7).
6. The high-voltage switch gas monitoring structure according to claim 5, wherein the third pressing strips (23) are arranged at intervals, and the fourth pressing strips (42) are arranged corresponding to the intervals between every two third pressing strips (23).
7. The high-voltage switch gas monitoring structure according to claim 1, further comprising a first shutter (8) disposed between the connection holder (2) and the transparent cylinder (4); the center of the first baffle plate (8) is provided with a plurality of through holes.
8. The high-voltage switch gas monitoring structure according to claim 7, wherein a second shutter (43) is provided inside one end of the transparent cylinder (4) close to the pressure gauge (5); the center of the second baffle plate (43) is provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121882058.5U CN215262293U (en) | 2021-08-12 | 2021-08-12 | Gas monitoring structure of high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121882058.5U CN215262293U (en) | 2021-08-12 | 2021-08-12 | Gas monitoring structure of high-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262293U true CN215262293U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121882058.5U Active CN215262293U (en) | 2021-08-12 | 2021-08-12 | Gas monitoring structure of high-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262293U (en) |
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2021
- 2021-08-12 CN CN202121882058.5U patent/CN215262293U/en active Active
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