CN210297224U - Heater support of cable distribution box - Google Patents
Heater support of cable distribution box Download PDFInfo
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- CN210297224U CN210297224U CN201921629014.4U CN201921629014U CN210297224U CN 210297224 U CN210297224 U CN 210297224U CN 201921629014 U CN201921629014 U CN 201921629014U CN 210297224 U CN210297224 U CN 210297224U
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Abstract
The application discloses a heater support of a cable distribution box, which comprises a connecting sheet, a telescopic rod and a fixed base, wherein one end of the telescopic rod is connected with the connecting sheet, and the other end of the telescopic rod is connected with the fixed base; the telescopic rod is of a hollow structure, a telescopic power line is arranged in the telescopic rod, and the fixed base is provided with a power line hole; the fixing base is provided with a first threaded hole, and the first threaded hole is used for being matched with a first screw to connect the fixing base and a box body of the cable tapping box; the connecting sheet is provided with a second threaded hole which is used for connecting the connecting sheet and the heater in a matching way with a second screw; the head end of the telescopic power line is electrically connected with the power line hole, and the tail end of the telescopic power line is electrically connected with the second threaded hole. The problems that in the prior art, due to the fact that power failure must be conducted on equipment in the cable distribution box when a heater is replaced, the operation procedure of replacing the heater is too complicated, the operation time is long and the like are solved.
Description
Technical Field
The application relates to a heater support, and concretely relates to heater support of cable distribution box.
Background
At present, a cable distribution box in a power system has a condensation phenomenon under the conditions of low temperature and high humidity, specifically, water drops are condensed on the wall of the cable distribution box or the outer surface of equipment in the box. The condensed water drops can reduce the insulation performance of the box body and the equipment in the box, and the accidents of creepage, flash and the like of the equipment in the box are easy to happen. Therefore, the heaters are arranged in most cable distribution boxes to improve the temperature in the boxes and reduce the humidity in the boxes, so that the condensation phenomenon is prevented.
However, frequent switching of the heater and long-term high-temperature operation make the heater vulnerable to damage, so the heater needs to be replaced periodically. Because a plurality of live equipment are arranged in the cable tapping box, the heater is directly fixed at the bottom of the cable tapping box, and the whole cable tapping box must be powered off firstly when the heater is replaced due to the safety consideration of operating personnel, so that the operation procedure of replacing the heater is excessively complicated, and the operation time is long.
Therefore, how to provide a bracket for facilitating the replacement of the heater, so as to simplify the operation procedure of replacing the heater and shorten the operation time has become a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The application provides a heater support of cable distribution box to among the solution prior art, because must cut off the power supply to the equipment in the cable distribution box earlier when changing the heater, and the operation procedure that leads to the heater to change is too loaded down with trivial details, the longer scheduling problem of activity duration.
A heater bracket of a cable distribution box comprises a connecting sheet, a telescopic rod and a fixed base, wherein one end of the telescopic rod is connected with the connecting sheet, and the other end of the telescopic rod is connected with the fixed base;
the telescopic rod is of a hollow structure, a telescopic power line is arranged in the telescopic rod, and the fixed base is provided with a power line hole;
the fixing base is provided with a first threaded hole, and the first threaded hole is used for being matched with a first screw to connect the fixing base and a box body of the cable tapping box;
the connecting piece is provided with a second threaded hole which is used for being matched with a second screw to connect the connecting piece and the heater;
the head end of the telescopic power line is electrically connected with the power line hole; the tail end of the telescopic power line is electrically connected with the second threaded hole.
Optionally, the telescopic rod comprises at least two telescopic joints.
Optionally, the fixed base includes a fixed block and a fixed connection plate;
the first threaded hole is formed in the fixed connecting plate, and the power supply wire hole is formed in the fixed block.
Optionally, the head end of the telescopic power line and the power line hole are of an integrated structure;
the tail end of the telescopic power line and the second threaded hole are of an integrated structure.
Optionally, a projection of the fixed block in a direction perpendicular to a plane of the fixed connecting plate is a first projection, a projection of the fixed connecting plate in a direction perpendicular to a plane of the fixed connecting plate is a second projection (b), an area of the first projection is smaller than an area of the second projection, and a first edge (a1) of the first projection at least partially overlaps a second edge of the second projection.
Optionally, the connecting piece and the telescopic joint close to the connecting piece are of an integrated structure, the fixing block and the telescopic joint close to the fixing block are of an integrated structure, and the fixing block and the fixed connecting plate are of an integrated structure.
Optionally, the telescopic rod is made of a non-ferromagnetic material.
Optionally, the connecting piece is provided with two second threaded holes, and the two second threaded holes are symmetrical along the geometric center of the connecting piece.
Optionally, the telescopic joint is trapezoidal in cross section along the telescopic rod length direction, the long sides of a pair of trapezoidal parallel sides are close to the fixed base, and the short sides of a pair of trapezoidal parallel sides are close to the connecting piece.
According to the technical scheme, the heater support of the cable distribution box comprises a connecting sheet, a telescopic rod and a fixed base, wherein one end of the telescopic rod is connected with the connecting sheet, and the other end of the telescopic rod is connected with the fixed base; the telescopic rod is of a hollow structure, a telescopic power line is arranged in the hollow position of the telescopic rod, and the fixed base is provided with a power line hole; the fixing base is provided with a first threaded hole, and the first threaded hole is used for being matched with a first screw to connect the fixing base and a box body of the cable tapping box; the connecting piece is provided with a second threaded hole which is used for being matched with a second screw to connect the connecting piece and the heater; the head end of the telescopic power line is electrically connected with the power line hole, and the tail end of the telescopic power line is electrically connected with the second threaded hole.
The application provides a pair of heater support of cable distribution box is connected the box of heater and cable distribution box through this support, when changing the heater, can directly change the whole connector of support and heater, also can change the position that the heater adjustment that will treat to change to convenient the change through the telescopic link.
Therefore, the utility model provides a heater support of cable distribution box, live equipment in the cable distribution box need not the outage when changing the heater, has simplified the operation procedure that the heater was changed, shortens the activity duration for the change of heater is more convenient and fast.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural view of a heater bracket of a cable distribution box according to the present application;
FIG. 2 is a cross-sectional view taken along A-A' of FIG. 1;
FIG. 3 is a schematic diagram illustrating a position relationship between the first projection and the second projection;
FIG. 4 is a schematic view of a cable distribution box according to the present application showing a heater bracket and a heater installed in the cable distribution box;
FIG. 5 is a schematic view of another position of a heater fixture and heater within a cable distribution box according to the present application;
fig. 6 is a three-dimensional structure view of the telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, a cable distribution box in a power system has a condensation phenomenon under the conditions of low temperature and high humidity, specifically, water drops are condensed on the wall of the cable distribution box or the outer surface of equipment in the box. The condensed water drops can reduce the insulation performance of the box body and the equipment in the box, and the accidents of creepage, flash and the like of the equipment in the box are easy to happen. Therefore, the heaters are arranged in most cable distribution boxes to improve the temperature in the boxes and reduce the humidity in the boxes, so that the condensation phenomenon is prevented.
However, the heaters in the existing cable distribution box are directly fixed at the bottom of the box, and the heaters are easily damaged due to frequent switching and long-time high-temperature operation of the heaters, so that the heaters need to be replaced periodically. However, because a lot of live equipment is installed in the cable distribution box, the heater is directly fixed at the bottom of the cable distribution box, and the whole cable distribution box must be powered off when the heater is replaced, the operation procedure for replacing the heater is too complicated, and the operation time is long.
In view of this, fig. 1 is a schematic structural view of a heater bracket of a cable distribution box according to the present application, and as shown in fig. 1, a heater bracket 100 of a cable distribution box includes a connecting sheet 10, an expansion link 20, and a fixing base 30, wherein one end of the expansion link 20 is connected to the connecting sheet 10, and the other end of the expansion link 20 is connected to the fixing base 30.
The connecting sheet 10 is used for connecting the heater with the heater bracket 100 of the cable distribution box, and the connecting sheet 10 is also used for bearing the heater; the telescopic rod 20 has a telescopic function, and can adjust the height of the heater bracket 100 of the cable distribution box, and the fixing base 30 is used for fixing the heater bracket 100 of the cable distribution box in the cable distribution box.
Optionally, as shown in fig. 1, the telescopic rod 20 comprises at least two telescopic joints 21.
It should be noted that the telescopic rod 20 shown in fig. 1 includes three telescopic joints 21, the number of the telescopic joints 21 in fig. 1 is only schematic, the number of the telescopic joints 21 may be set according to specific needs, and may be four, five or more, and as long as the number is greater than or equal to two, the telescopic joints are all the technical solutions protected by the present application, and the present application is not limited specifically.
It should be noted that the shapes and the size ratios of the telescopic rod 20, the connecting piece 10 and the fixing base 30 shown in fig. 1 are schematic, and the present application is not limited in particular.
Optionally, the telescoping rod 20 is a non-ferromagnetic material.
Because the alternating electromagnetic field exists in the cable tapping box, under the action of the alternating electromagnetic field, the ferromagnetic material has a heating phenomenon, so the telescopic rod 20 adopts the non-ferromagnetic material, and the heating phenomenon caused by the influence of the alternating electromagnetic field on the telescopic rod 20 can be avoided.
Fig. 2 is a sectional view taken along a-a' in fig. 1, and referring to fig. 1 and 2, the telescopic rod 20 is a hollow structure, the telescopic power cord 22 is disposed in the telescopic rod 20, and the fixing base 30 is provided with a power cord hole 33.
The telescopic power cord 22 is a power connection cord of the heater, the telescopic power cord 22 can freely stretch and retract in length to match the telescopic movement of the telescopic rod 20, and the telescopic power cord 22 is a telescopic electric connection cord with certain elasticity. The power line hole 33 provided in the fixed base 30 is used to connect the retractable power line 22 to an external power source. The number of the telescopic power lines 22 is two, and the two telescopic power lines correspond to the anode and the cathode of the heater, respectively, and correspondingly, the number of the power line holes 33 is two, and the two telescopic power lines correspond to the anode and the cathode of the heater, respectively.
Alternatively, the telescopic joint 21 has a trapezoidal cross section along the length direction of the telescopic rod 20, the long sides of a pair of parallel sides of the trapezoid are close to the fixed base 30, and the short sides of a pair of parallel sides of the trapezoid are close to the connecting piece 10. The trapezoidal design facilitates the telescoping of the telescoping pole 20.
Alternatively, as shown in fig. 1, the fixing base 30 includes a fixing block 31 and a fixing connection plate 32.
Optionally, fig. 3 is a schematic positional relationship between the first projection and the second projection, and as shown in fig. 1 and fig. 3, the projection of the fixed block 31 in the direction perpendicular to the plane of the fixed connecting plate 32 is a first projection a, the projection of the fixed connecting plate 32 in the direction perpendicular to the plane of the fixed connecting plate 32 is a second projection b, the area of the first projection is smaller than the area of the second projection, and the first edge a1 of the first projection a and the second edge b1 of the second projection b at least partially overlap.
It should be noted that the shape of the first projection a and the second projection b shown in fig. 3 is a rectangle, which is only schematic, and the shape of the first projection a and the second projection b may also be a regular shape such as a circle, an ellipse, a trapezoid, or the like, or an irregular shape, and the shape of the first projection a and the second projection b is not particularly limited in the present application.
The fixing block 31 is used for connecting and fixing the telescopic rod 20, and the fixing connection plate 32 is used for fixing the heater bracket 100 of the cable distribution box on the box body of the cable distribution box.
The area of the first projection a is smaller than that of the second projection b, and the first edge a1 of the first projection a at least partially overlaps with the second edge b1 of the second projection b, so that the fixing and installation of the heater bracket are facilitated.
Optionally, the connecting piece 10 and the telescopic joint 21 close to the connecting piece 10 are of an integrated structure, the fixing block 31 and the telescopic joint 21 close to the fixing block 31 are of an integrated structure, and the fixing block 31 and the fixing connecting plate 32 are of an integrated structure.
The connecting piece 10 and the telescopic joint 21 close to the connecting piece 10 are of an integrated structure, the fixing block 31 and the telescopic joint 21 close to the fixing block 31 are of an integrated structure, and the fixing block 31 and the fixed connecting plate 32 are of an integrated structure. The integrated structure is simple in processing technology and easy to realize, and compared with the connecting structure, the integrated structure is more stable.
The head end of the telescopic power line 22 is electrically connected with the power line hole 33;
the tail end of the telescopic power line 22 is electrically connected with the second threaded hole 11.
In the heater bracket of the cable distribution box provided by this embodiment, the head end of the telescopic power line 22 is electrically connected to the power line hole 33 on the fixed base 30, and the tail end of the telescopic power line 22 is electrically connected to the second threaded hole 11 on the connecting sheet 10. The power supply line hole 33 on the fixed base 30 is a power supply plug hole, and an external power supply can be directly plugged in the power supply line hole 33; the second threaded hole 11 has the function of threaded connection of the threaded hole and the function of a power supply plug hole, and the power supply wiring of the heater can be directly plugged into the second threaded hole 11.
Optionally, the head end of the telescopic power cord 22 and the power cord hole 33 are of an integrated structure;
the tail end of the telescopic power line 22 and the second threaded hole 11 are of an integral structure.
The integral arrangement can make the electrical connection more stable.
Alternatively, as shown in fig. 1, the connecting piece 10 is provided with two second threaded holes 11, and the two second threaded holes 11 are symmetrical along the geometric center of the connecting piece 10.
As shown in fig. 1 and 2, two second screw holes 11 are provided corresponding to the positive electrode and the negative electrode of the heater, respectively, and corresponding to two telescopic power lines 22, respectively. The two second threaded holes 11 are symmetrically arranged, so that the gravity center of the heater fixed on the connecting piece is more stable, and the stress of the heater carried by the connecting piece 10 is more even.
Fig. 4 is a schematic view of a heater holder and a heater of a cable distribution box provided herein installed in the cable distribution box, and fig. 5 is a schematic view of another heater holder and a heater of a cable distribution box provided herein installed in the cable distribution box, as shown in fig. 4 and 5, a fixing base 30 is provided with a first threaded hole 34, and the first threaded hole 34 is used for being matched with a first screw 302 to connect the fixing base 30 and a box body 300 of the cable distribution box; as shown in fig. 1, 4 and 5, the connecting plate 10 is provided with a second threaded hole 11, and the second threaded hole 11 is used for matching with a second screw to connect the connecting plate 10 and the heater 200; the first threaded hole 34 is provided in the fixing connection plate 32, and the power supply line hole 33 is provided in the fixing block 31.
It should be noted that fig. 4 shows that the fixing base 30 is mounted on the bottom 310 of the cable distribution box through the first screw 302 and the first threaded hole 34; fig. 5 shows the fixing base 30 mounted to the side portion 320 of the cable distribution box by the first screw 302 and the first screw hole 34.
As shown in fig. 4, the fixing connection plate 32 is mounted to the bottom 310 of the cable distribution box by the first screw 302 and the first screw hole 34. As shown in fig. 1 and 4, the connecting piece 10 is provided with a second threaded hole 11, and the heater 200 is connected to the heater bracket of the cable distribution box through the second threaded hole 11 and a second screw (not shown in fig. 4).
As shown in fig. 4, in the installation position relationship between the heater holder of the cable distribution box with a heater and the cable distribution box, when the heater 200 needs to be replaced, the telescopic rod 20 is extended to be extended out of the box body 300 or extended to a wide space position, and the replacement work of the heater 200 is separately performed. Thus, the other live equipment in the box 300 is not affected, and the power-off operation is not required before the operation of replacing the heater 200, thereby simplifying the operation procedure and shortening the operation time.
As shown in fig. 5, the case 300 of the cable distribution box is provided with an opening 301 at a side portion 320 (the side portion 320 is opened as outlined by a dotted line frame in fig. 5), the entire size of the fixing block 31 is smaller than the size of the opening 301, and the entire size of the fixing connection plate 32 is larger than the size of the opening 301, so that the fixing block 31 can be fitted into the opening 301, and the fixing connection plate 32 is mounted on the side portion 320 of the cable distribution box by the first screw 302 and the first screw hole 34. As shown in fig. 1 and 5, the connecting piece 10 is provided with a second threaded hole 11, and the heater 200 is connected to the heater bracket of the cable distribution box through the second threaded hole 11 and a second screw (not shown in fig. 5).
As shown in fig. 5, in the installation position relationship between the heater holder of the cable distribution box with the heater and the cable distribution box, when the heater 200 needs to be replaced, the heater holder of the cable distribution box with the heater 200 only needs to be directly detached from the box body 300, and the heater 200 to be replaced is detached without performing the power-off operation, a new heater 200 is replaced, and the heater 200 and the heater holder are integrally installed on the box body of the cable distribution box, so that the replacement operation of the heater 200 is completed. The operation procedure is simple, the power-off operation is not needed, the operation time is greatly shortened, and the operation is safe and quick. It should be noted that the dimensions of the extendable rod 20, the connecting piece 10, and the heater 200 are also required to be smaller than the dimension of the opening 301, so that the heater as a whole with the heater holder can be removed from the case 300 through the opening 301.
The number of the first threaded holes 34 shown in fig. 1 and 4 is four, which is only schematically shown in the drawings, and the number of the first threaded holes 34 in the present application is not particularly limited, and may be set as needed.
It should be noted that other devices in the cable distribution box in fig. 4 and 5 are omitted.
The depth of the box 300 in fig. 4 is indicated by H, and when the heater supporter 100 of the cable distribution box can be extended to H/2 by the telescopic rod 20, the heater 200 is disposed at the middle position of the box 300, which is more advantageous for dissipating the heat generated from the heater 200 to the whole box 300. The length of the telescopic rod 20 is not particularly limited in the application, and can be set according to specific requirements.
Fig. 6 is a perspective structural view of the telescopic rod, and as shown in fig. 6, a cross-sectional view of the telescopic rod 20 along a direction perpendicular to a length direction of the telescopic rod 20 is trapezoidal, and a cross-sectional view of the telescopic rod 20 along a direction perpendicular to a length direction of the telescopic rod 20 may also be circular, rectangular, oval or irregular, which is not particularly limited in the present application, as the case may be.
The application provides a heater support of a cable distribution box, which comprises a connecting sheet, a telescopic rod and a fixed base, wherein one end of the telescopic rod is connected with the connecting sheet, and the other end of the telescopic rod is connected with the fixed base; the telescopic rod is of a hollow structure, a telescopic power line is arranged in the hollow position of the telescopic rod, and a power line hole is formed in the fixed base; the fixing base is provided with a first threaded hole, and the first threaded hole is used for being matched with a first screw to connect the fixing base and a box body of the cable tapping box; the connection piece is provided with the second screw hole, and the second screw hole is used for cooperating second screw connection piece and heater, and the head end and the power cord hole electricity of flexible power cord are connected, and the tail end and the second screw hole electricity of flexible power cord are connected.
The box with heater and cable distribution box is connected through the support that this application provided, when changing the heater, can directly change the whole connector of support and heater, also can change the position that the heater adjustment to conveniently changing that will treat to change through the telescopic link.
Therefore, the utility model provides a heater support of cable distribution box, live equipment in the cable distribution box need not the outage when changing the heater, has simplified the operation procedure that the heater was changed, shortens the activity duration for the change of heater is more convenient and fast.
The same and similar parts in the various embodiments in this specification may be referred to each other.
Claims (9)
1. The heater support of the cable distribution box is characterized by comprising a connecting piece (10), an expansion link (20) and a fixed base (30), wherein one end of the expansion link (20) is connected with the connecting piece (10), and the other end of the expansion link (20) is connected with the fixed base (30);
the telescopic rod (20) is of a hollow structure, a telescopic power line (22) is arranged in the telescopic rod (20), and the fixed base (30) is provided with a power line hole (33);
the fixing base (30) is provided with a first threaded hole (34), and the first threaded hole (34) is used for being matched with a first screw (302) to connect the fixing base (30) and a box body (300) of the cable tapping box;
the connecting piece (10) is provided with a second threaded hole (11), and the second threaded hole (11) is used for being matched with a second screw to connect the connecting piece (10) and the heater (200);
the head end of the telescopic power line (22) is electrically connected with the power line hole (33), and the tail end of the telescopic power line (22) is electrically connected with the second threaded hole (11).
2. Heater fixture of a cable distribution box according to claim 1, characterized in that the telescopic rod (20) comprises at least two telescopic joints (21).
3. The heater fixture of a cable distribution box according to claim 2, wherein the fixing base (30) includes a fixing block (31) and a fixing connection plate (32);
the first threaded hole (34) is formed in the fixing connecting plate (32), and the power supply wire hole (33) is formed in the fixing block (31).
4. The heater bracket of a cable distribution box according to claim 1, wherein the head end of the telescopic power cord (22) and the power cord hole (33) are of an integral structure;
the tail end of the telescopic power line (22) and the second threaded hole (11) are of an integrated structure.
5. The heater fixture of a cable distribution box according to claim 3, wherein a projection of the fixing block (31) in a direction perpendicular to a plane of the fixing connection plate (32) is a first projection (a), a projection of the fixing connection plate (32) in a direction perpendicular to a plane of the fixing connection plate (32) is a second projection (b), an area of the first projection is smaller than an area of the second projection, and a first edge (a1) of the first projection (a) at least partially overlaps a second edge (b1) of the second projection (b).
6. The heater bracket of a cable distribution box according to claim 3, wherein the connecting piece (10) and the telescopic joint (21) adjacent to the connecting piece (10) are of an integral structure, the fixing block (31) and the telescopic joint (21) adjacent to the fixing block (31) are of an integral structure, and the fixing block (31) and the fixing connecting plate (32) are of an integral structure.
7. The heater fixture of a cable distribution box according to claim 1, characterized in that the telescopic rod (20) is of a non-ferromagnetic material.
8. Heater bracket of a cable distribution box according to claim 1, characterized in that the connection piece (10) is provided with two of the second threaded holes (11), and that the two second threaded holes (11) are symmetrical along the geometrical centre of the connection piece (10).
9. Heater fixture for a cable distribution box according to claim 2, characterised in that the telescopic section (21) has a trapezoidal cross-section along the length of the telescopic rod (20), the longer sides of the pair of parallel sides of the trapezoid being close to the fixed base (30) and the shorter sides of the pair of parallel sides of the trapezoid being close to the connecting piece (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921629014.4U CN210297224U (en) | 2019-09-27 | 2019-09-27 | Heater support of cable distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921629014.4U CN210297224U (en) | 2019-09-27 | 2019-09-27 | Heater support of cable distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297224U true CN210297224U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921629014.4U Active CN210297224U (en) | 2019-09-27 | 2019-09-27 | Heater support of cable distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297224U (en) |
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2019
- 2019-09-27 CN CN201921629014.4U patent/CN210297224U/en active Active
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