CN215262051U - A people's hand hole medium window structure for installing sensor - Google Patents
A people's hand hole medium window structure for installing sensor Download PDFInfo
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- CN215262051U CN215262051U CN202121377244.3U CN202121377244U CN215262051U CN 215262051 U CN215262051 U CN 215262051U CN 202121377244 U CN202121377244 U CN 202121377244U CN 215262051 U CN215262051 U CN 215262051U
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Abstract
The utility model discloses a people's hand hole medium window structure for installing sensor belongs to transformer equipment technical field. A people hand hole medium window structure for installing sensor, including setting up the flange at the fuel tank wall, still include: the medium sealing plate is fixedly arranged on one side of the flange, which is far away from the wall of the oil tank, and is used for sealing the hand hole; the sensor shell is sleeved on the outer wall of the medium sealing plate, and an antenna housing for mounting the sensor is axially arranged on the sensor shell; one end of the sensor is attached to the side wall of the medium sealing plate; the utility model discloses well medium shrouding passes through fastener one and the connection of people's hand hole flange, and the sensor housing passes through fastener two to be connected with the medium shrouding, and each component parts in this medium window structure is connected closely, and stability and leakproofness are better, can satisfy the installation operation requirement of sensor to detect the inside partial discharge superfrequency signal of transformer through this sensor.
Description
Technical Field
The utility model relates to a transformer equipment technical field especially relates to a people's hand hole medium window structure for installing sensor.
Background
In order to facilitate maintenance and installation, a hand hole is usually formed in the side wall of an oil tank below a transformer bushing base, the hand hole is generally sealed by a medium sealing plate, and the medium sealing plate is used for forming a medium window structure. Therefore, the installation stability and the sealing performance of each component part in the medium window directly influence the service performance of the whole window structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at improving installation stability, the sealing performance of each component part among the prior art medium window, and the people hand hole medium window structure for installing the sensor that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a people hand hole medium window structure for installing sensor, including setting up the flange at the fuel tank wall, still include:
the medium sealing plate is fixedly arranged on one side of the flange, which is far away from the wall of the oil tank, and is used for sealing the hand hole; and
the sensor shell is sleeved on the outer wall of the medium sealing plate, and an antenna housing for mounting the sensor is axially arranged on the sensor shell;
and one end of the sensor is attached to the side wall of the medium seal plate, and the antenna at the other end is axially distributed along the radome through the potting cylinder.
Preferably, the dielectric sealing plate is a laminated glass cloth plate.
Preferably, the outer wall of the sensor shell is provided with an annular ring used for wrapping the medium seal plate, the inner diameter of the annular ring is larger than the diameter of the medium seal plate, and the width of the annular ring is larger than the thickness of the medium seal plate.
Preferably, the medium seal plate is connected with the flange through a first fastening piece, the sensor shell is connected with the medium seal plate through a second fastening piece, and O-shaped sealing rings are arranged between the medium seal plate and the flange and between the sensor shell and the medium seal plate.
Preferably, the fastener comprises a bolt part and a nut part, wherein the bolt part is provided with an external thread, and the nut part is provided with an internal thread.
Preferably, threaded holes which are uniformly distributed on the circumference and matched with the bolt parts are formed in the flange; and the medium seal plate is provided with a screw through hole corresponding to the position of the threaded hole, and the screw through hole comprises a first through hole matched with the bolt part and a second through hole matched with the nut part.
Preferably, the sensor shell is provided with a third through hole corresponding to the position of the nut, and the second fastening piece is a screw penetrating through the third through hole and connected with the nut part.
Preferably, an antenna box is arranged on the outer wall of the antenna housing.
Compared with the prior art, the utility model provides a people's hand hole medium window structure for installing sensor possesses following beneficial effect:
1. the utility model discloses an in, the medium shrouding passes through fastener one to be connected with the manhole flange, and the sensor housing passes through fastener two to be connected with the medium shrouding, and the leakproofness is good, can satisfy the installation operation requirement of sensor to detect the inside partial discharge superfrequency signal of transformer through this sensor.
2. The utility model discloses an in, the medium shrouding adopts the laminated glass cloth board, and this laminated glass cloth board has very high mechanical strength, and electrical property is good, and water-fast and heat resistance can be good, not only plays the effect in sealed manholes, can make the inside partial discharge superfrequency signal radiation of transformer come out and be received by outside antenna moreover.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a flange;
FIG. 3 is a schematic view of section A-A of FIG. 2;
FIG. 4 is a schematic view of a media seal plate;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic structural view of a sensor housing;
FIG. 7 is a schematic structural view of a first fastener;
fig. 8 is a top view of fig. 7.
In the figure: 10. a fuel tank wall; 20. a flange; 210. a threaded hole; 30. a medium closing plate; 310. a screw through hole; 311. a first through hole; 312. a second through hole; 40. a sensor housing, 410, an annular ring; 420. a third through hole; 50. a sensor; 51. an antenna; 60. an antenna cover; 70. a potting cylinder; 80. a first fastener; 81. a bolt portion; 82. a nut portion; 90. a second fastener; 110. an O-shaped sealing ring; 120. an antenna box.
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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1, the manhole media window structure for mounting a sensor includes a flange 20 provided at a tank wall 10, and further includes:
the medium sealing plate 30 is fixedly arranged on one side of the flange, which is far away from the wall of the oil tank, and is used for sealing the hand hole; and
the sensor shell 40 is sleeved on the outer wall of the medium sealing plate, and an antenna housing 60 for installing the sensor 50 is axially arranged on the sensor shell;
wherein, the laminating of sensor one end is at the medium shrouding lateral wall, and the antenna 51 of the other end passes through a embedment section of thick bamboo 70 and distributes along the antenna house axial, from this, utilizes the medium shrouding to carry out the shutoff to the people hand hole to cover the medium shrouding through the sensor casing, the sensor setting is at the medium shrouding lateral wall, and the signal of gathering transmits away through antenna 51, and each component part is connected stably in consequently this medium window, can satisfy the operation requirement.
As the utility model discloses preferred technical scheme, medium shrouding 30 is the laminated glass cloth board, considers the mechanical strength of medium shrouding, resistant electricity, corrosion-resistant, resistant oil, performance such as water-fast, prefers the laminated glass cloth board as the medium shrouding, and its relative dielectric constant is about 5, and thickness is selected to be 2mm, and the density of this laminated glass cloth board is 1.7-1.9g/cm2(ii) a The tolerance temperature is not lower than 200 ℃; the bending strength is as follows: longitudinal is not lower than 343MPa, and transverse is not lower than 245 MPa; adhesive strength of not less than 5688N/m2(ii) a Surface resistivity and volume resistivity of not less than 1011Omega; a dielectric loss tangent of 0.05; the vertical layer breakdown field strength is not lower than 22 kV/mm; the breakdown voltage of the parallel layer is not lower than 30 kV/mm. Therefore, the laminated glass cloth plate has high mechanical strength, good electrical performance and good water resistance and heat resistance, can be used in transformer oil, and is very suitable for manufacturing a dielectric plate.
As the utility model discloses preferred technical scheme, 40 outer walls of sensor housing are equipped with the annular ring 410 that is used for wrapping up the medium shrouding, and the annular ring internal diameter is greater than medium shrouding diameter, and the annular ring width is greater than medium shrouding thickness, and from this, sensor housing can hide the medium shrouding completely, prevents ultraviolet irradiation effectively, prevents simultaneously that the strong electromagnetic environment of transformer substation from causing the interference to sensor detecting system.
Further, the medium seal plate 30 is connected with the flange 20 through a first fastener 80, the sensor housing 40 is connected with the medium seal plate through a second fastener 90, and O-shaped seal rings 110 are arranged between the medium seal plate and the flange and between the sensor housing and the medium seal plate, so that the medium seal plate is firstly connected to the flange through the first fastener, then the sensor housing can cover the outer wall of the medium seal plate and is fixed through the second fastener, and the existence of the O-shaped seal rings is favorable for improving the sealing performance of the medium window.
Referring to fig. 2-5, fig. 7-8, further, the first fastening member 80 includes a bolt portion 81 and a nut portion 82, the bolt portion has an external thread, the nut portion has an internal thread, and correspondingly, the flange has threaded holes 210 uniformly distributed on the circumference and matching with the bolt portion 81; the medium seal plate 30 is provided with a screw through hole 310 corresponding to the position of the threaded hole, and the screw through hole comprises a first through hole 311 matched with the bolt part and a second through hole 312 matched with the nut part, so that when the medium seal plate is connected with the flange, the bolt part sequentially penetrates through the second through hole and the through hole to be connected in the threaded hole in a threaded manner until the nut part is completely screwed into the second threaded hole, and the medium seal plate is fixedly connected with the flange.
Referring to fig. 6, a third through hole 420 corresponding to the position of the nut is formed in the sensor housing 40, and a second fastening member 90 is a screw passing through the third through hole and connected to the nut portion, so that when the sensor housing is connected to the medium sealing plate, the second fastening member passes through the third through hole and is connected to the internal thread of the nut portion, thereby fixedly connecting the sensor housing to the medium sealing plate.
As the utility model discloses preferred technical scheme, the outer wall of antenna house 60 is equipped with antenna box 120, and from this, the antenna in the sensor is drawn forth to antenna box through a embedment section of thick bamboo to go out the inside partial discharge superfrequency signal transmission of transformer that will gather.
The working principle is as follows: during the installation, medium shrouding 30 sets firmly in people's hand hole flange department through fastener 80, and then sensor housing 40 wraps up at the medium shrouding outer wall through annular circle 410, because the width of annular circle is greater than medium shrouding thickness, consequently this sensor housing can hide the medium shrouding completely, then realizes linking firmly of sensor housing and medium shrouding through two 90 realization fasteners, and each component parts in this medium window structure is connected closely, and stability and leakproofness are better, can satisfy the operation requirement.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A people hand hole medium window structure for installing sensor, including setting up flange (20) at fuel tank wall (10), its characterized in that still includes:
the medium sealing plate (30) is fixedly arranged on one side, away from the oil tank wall, of the flange and is used for sealing the hand hole; and
the sensor shell (40) is sleeved on the outer wall of the medium sealing plate, and an antenna housing (60) used for mounting the sensor (50) is axially arranged on the sensor shell;
one end of the sensor is attached to the side wall of the medium sealing plate, and the antenna (51) at the other end of the sensor is axially distributed along the radome through the potting cylinder (70).
2. The manhole media window structure for mounting sensors according to claim 1, wherein the media cover plate (30) is a laminated glass cloth plate.
3. The manhole media window structure for mounting sensors of claim 1, wherein the sensor housing (40) has an outer wall provided with an annular ring (410) for wrapping around the media sealing plate, the annular ring having an inner diameter greater than the diameter of the media sealing plate and an annular ring width greater than the thickness of the media sealing plate.
4. The manhole media window structure for mounting sensors according to claim 3, wherein the media sealing plate (30) is connected to the flange (20) by a first fastener (80), the sensor housing (40) is connected to the media sealing plate by a second fastener (90), and O-rings (110) are disposed between the media sealing plate and the flange and between the sensor housing and the media sealing plate.
5. The manhole media window structure for mounting sensors according to claim 4, wherein the first fastener (80) comprises a bolt portion (81) provided with an external thread and a nut portion (82) provided with an internal thread.
6. The manhole medium window structure for mounting sensors according to claim 5, wherein the flange is provided with threaded holes (210) which are uniformly distributed on the circumference and matched with the bolt parts (81); and the medium sealing plate (30) is provided with a screw through hole (310) corresponding to the position of the threaded hole, and the screw through hole comprises a first through hole (311) matched with the bolt part and a second through hole (312) matched with the nut part.
7. The manhole medium window structure for mounting sensors according to claim 6, wherein the sensor housing (40) is provided with a third through hole (420) corresponding to the position of the nut, and the second fastening member (90) is a screw passing through the third through hole and connected with the nut.
8. The manhole dielectric window structure for mounting sensors according to any one of claims 1 to 7, wherein the outer wall of the radome (60) is provided with an antenna box (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377244.3U CN215262051U (en) | 2021-06-21 | 2021-06-21 | A people's hand hole medium window structure for installing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377244.3U CN215262051U (en) | 2021-06-21 | 2021-06-21 | A people's hand hole medium window structure for installing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262051U true CN215262051U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121377244.3U Active CN215262051U (en) | 2021-06-21 | 2021-06-21 | A people's hand hole medium window structure for installing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262051U (en) |
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2021
- 2021-06-21 CN CN202121377244.3U patent/CN215262051U/en active Active
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