CN212323678U - Automatic waterproof heat dissipation cable cover plate - Google Patents
Automatic waterproof heat dissipation cable cover plate Download PDFInfo
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- CN212323678U CN212323678U CN202020527265.8U CN202020527265U CN212323678U CN 212323678 U CN212323678 U CN 212323678U CN 202020527265 U CN202020527265 U CN 202020527265U CN 212323678 U CN212323678 U CN 212323678U
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- water stop
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Abstract
The utility model provides an automatic waterproof heat-dissipation cable cover plate, which comprises a cover plate body (1) and a plurality of water stop blocks (2); the cover plate body (1) is of a hollow structure, the plurality of water stopping blocks (2) are fixed at the bottom of the hollow structure, all the water stopping blocks (2) are in a contraction state under the dry condition, and gaps are formed between every two adjacent water stopping blocks (2); under the condition of meeting water, all the water stopping blocks (2) are in an expansion state, and the adjacent water stopping blocks (2) are in butt joint without gaps. The utility model can not only automatically prevent rainwater from entering, but also greatly improve the ventilation and heat dispersion performance of the cable trench; the water stop block (2) in the utility model adopts water-absorbing expansion rubber, so the cost is low, the fixation is simple and convenient, and the practicability is strong; the utility model discloses can avoid taking place cable water tree, improve the insulating properties and the current-carrying conveying ability of cable, and then improve the security that the cable used, prolong cable life.
Description
Technical Field
The utility model relates to a power transmission and distribution technical field, concretely relates to automatic waterproof heat dissipation cable apron.
Background
The high-voltage power cable is a core framework of an urban power transmission and distribution network, and is different from an overhead line mode, and common laying modes of the high-voltage power cable comprise various modes such as direct burial, cable trench, tunnel, pipe arrangement, bridge and the like, wherein the direct burial, cable trench, tunnel and pipe arrangement modes are laid underground, and the high-voltage power cable is particularly suitable for cities with short overground space. The cable trench is buried deeply and is shallow, the cable trench is covered with a cover plate in an earth covering mode and a non-earth covering mode, the earth covering mode is used for filling earth and burying after the cover plate is covered on the cable trench, the cable trench is inconvenient to open and overhaul, the cover plate of the non-earth covering mode is directly exposed in the air, the upper surface of the cover plate is not covered with soil, and the cover plate can be conveniently opened when line overhaul is needed.
The existing cable cover plate is divided into a closed cover plate and a hollow cover plate; the closed cover plate can effectively prevent rainwater from entering, but the heat dissipation performance of the closed cable trench space is reduced, and the current-carrying conveying capacity of the cable is affected. The cable in operation can produce heat because of electromagnetic loss, forms the heating effect to whole circuit, reduces the current-carrying transport capacity of cable. The cable trench space is less relatively, and the cable laid in narrow and small space can make the interior temperature of ditch rise obviously under the effect of generating heat, further reduces cable run's current-carrying capacity, reduces circuit economic benefits. The ventilation and heat dissipation performance of the cable trench can be effectively improved through the hollowed-out cover plate, the current-carrying capacity of the cable is improved, the economic benefit of the line is further improved, but the hollowed-out cover plate does not have a waterproof function, rainwater can be poured into holes in the cover plate in rainy days, accumulated water in the cable trench is further caused, the cable is soaked in water, water permeation is easily caused, a cable water tree is further caused, the insulation performance of the cable is reduced, the use safety of the cable is reduced, and the service life of the cable is shortened.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that the prior art can not prevent rainwater from entering and the ventilation and heat dissipation performance of a cable trench is insufficient, the utility model provides an automatic waterproof and heat dissipation cable cover plate, which comprises a cover plate body (1) and a plurality of water stop blocks (2);
the cover plate body (1) is of a hollow structure, and the plurality of water stop blocks (2) are fixed through the hollow structure;
the water stop block (2) has the following two working modes:
under the dry condition, all the water stop blocks (2) are in a contraction state, and gaps are formed between the adjacent water stop blocks (2);
under the condition of meeting water, all the water stopping blocks (2) are in an expansion state, and the adjacent water stopping blocks (2) are in butt joint without gaps.
The water stop block (2) is made of water-absorbing expansion rubber.
The water stop block (2) is fixed around the bottom of the hollow structure along the vertical direction;
the hollow structure is round or square.
The number of the hollow structures is 1 or more;
each hollow structure corresponds to two water stop blocks (2);
when the hollow structures are multiple, the second water stop block (2) of the previous hollow structure is adjacent to the first water stop block (2) of the next hollow structure.
The water stop block (2) is fixed with the cover plate body (1) through pasting or fixing pieces (3).
The thickness of the water stop block (2) is 2 cm-5 cm.
When the hollow structure is circular, the water stop block (2) is of an annular structure, and the outer diameter of the water stop block (2) is larger than the diameter of the hollow structure.
When the hollow structure is square, the water stop block (2) is square.
The fixing piece (3) is a bolt or a buckle.
The cover plate body (1) is made of metal, concrete or resin.
The utility model provides a technical scheme has following beneficial effect:
the utility model provides an automatic waterproof heat dissipation cable cover plate, which comprises a cover plate body (1) and a plurality of water stop blocks (2); the cover plate body (1) is of a hollow structure, and the plurality of water stop blocks (2) are fixed through the hollow structure; the water stop block (2) has the following two working modes: under the dry condition, all the water stop blocks (2) are in a contraction state, and gaps are formed between the adjacent water stop blocks (2); under the condition of meeting water, all the water stop blocks (2) are in an expansion state, the adjacent water stop blocks (2) are butted without gaps, so that the rainwater can be automatically prevented from entering, and the ventilation and heat dissipation performance of the cable trench is greatly improved;
the water stop block (2) in the utility model adopts water-absorbing expansion rubber, so the cost is low, the fixation is simple and convenient, and the practicability is strong;
the utility model discloses can avoid taking place cable water tree, improve the insulating properties and the current-carrying conveying ability of cable, and then improve the security that the cable used, prolong cable life.
Drawings
FIG. 1 is a schematic view of a fixing structure of a water stop block in an embodiment of the present invention;
FIG. 2 is a schematic view of the air circulation heat dissipation in the dry state of the embodiment of the present invention;
FIG. 3 is a schematic diagram of the hollow-out of the water stop block when meeting water in the embodiment of the present invention;
fig. 4 is a schematic view of an automatic waterproof heat dissipation cable cover plate in an embodiment of the present invention;
FIG. 5 is a schematic view of the installation of the water stop block in the embodiment of the present invention;
in the figure, 1 is a cover plate body, 2 is a water stop block, and 3 is a fixing piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model provides an automatic waterproof heat dissipation cable cover plate, as shown in figure 1, comprising a cover plate body 1 and a plurality of water stop blocks 2;
the cover plate body 1 is of a hollow structure, and the plurality of water stop blocks 2 are fixed through the hollow structure;
the water stop block 2 has the following two operation modes:
under the dry condition, all the water stop blocks 2 are in a contraction state, and gaps are formed between the adjacent water stop blocks 2;
under the condition of meeting water, all the water stop blocks 2 are in an expansion state, and the adjacent water stop blocks 2 are in butt joint without gaps.
The Water stop block 2 is made of Water Swelling Rubber (WSR) which has the characteristics of Water Swelling and Water loss shrinkage.
The water stop block 2 is fixed around the bottom of the hollow structure along the vertical direction;
the hollow structure is round or square.
The number of the hollow structures is 1 or more;
each hollow structure corresponds to two water stop blocks 2;
when the hollow structures are multiple, the second water stop block 2 of the previous hollow structure is adjacent to the first water stop block 2 of the next hollow structure.
The water stop block 2 is fixed with the cover plate body 1 through pasting or a fixing piece 3, and the fixing piece 3 is a bolt or a buckle.
The thickness of the water stop block 2 is 2 cm-5 cm.
The hollow structure is round or square.
When the hollow structure is circular, the water stop block 2 is of an annular structure, and the outer diameter of the water stop block 2 is larger than the diameter of the hollow structure.
When the hollow structure is square, the water stop block 2 is square.
The cover plate body 1 is made of metal, concrete or resin.
As shown in fig. 4, the embodiment of the utility model provides an adopt square apron body 1, the hollow out construction that sets up on the apron body 1 is the rectangle, and every hollow out construction corresponds two stagnant water pieces 2, and stagnant water piece 2's specific installation schematic diagram is shown in fig. 5.
The embodiment of the utility model provides an automatic waterproof heat dissipation cable cover plate theory of operation as follows:
1) as shown in fig. 2, the hollow-out structure of the cover plate body 1 is in a contracted state when the water stop blocks (2) are in a dry state, a gap is formed between every two adjacent water stop blocks (2), and the air inside can exchange gas through the gap at the hollow-out position, so that the ventilation and heat dissipation performance of the cable duct is effectively improved, the current-carrying capacity of the cable is improved, and the economic benefit of the line is further improved;
2) as shown in fig. 3, when the cover plate body 1 meets water in rainy weather or other conditions, the water stop blocks 2 expand, the two water stop blocks 2 are in butt joint, no gap exists between the two water stop blocks, namely, the gap at the hollow part is blocked, after rain stops, air is dried, water in the water stop blocks 2 volatilizes and shrinks, the water is converted into the hollow part which can be ventilated as shown in fig. 2, water remained in the channel can be diffused into the atmosphere through the holes, the dryness in the channel is ensured, and the occurrence of cable water tree faults is reduced.
The embodiment of the utility model provides an automatic waterproof heat dissipation cable cover plate not only can effectively improve the ventilation and heat dissipation performance of cable pit, has waterproof function moreover, can improve the insulating properties and the current-carrying conveying ability of cable, and the security that the cable used is strong, and has prolonged cable life.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and those skilled in the art can still modify or equally replace the specific embodiments of the present invention with reference to the above embodiments, and any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention are all within the scope of the present invention to be applied.
Claims (10)
1. An automatic waterproof heat dissipation cable cover plate is characterized by comprising a cover plate body (1) and a plurality of water stopping blocks (2);
the cover plate body (1) is of a hollow structure, and the plurality of water stop blocks (2) are fixed through the hollow structure;
the water stop block (2) has the following two working modes:
under the dry condition, all the water stop blocks (2) are in a contraction state, and gaps are formed between the adjacent water stop blocks (2);
under the condition of meeting water, all the water stopping blocks (2) are in an expansion state, and the adjacent water stopping blocks (2) are in butt joint without gaps.
2. The automatic waterproof and heat-dissipating cable cover plate according to claim 1, wherein the waterproof block (2) is made of water-swelling rubber.
3. The automatic waterproof and heat-dissipation cable cover plate as claimed in claim 1, wherein the waterproof block (2) is fixed around the bottom of the hollowed-out structure in a vertical direction;
the hollow structure is round or square.
4. The automatic waterproof and heat-dissipation cable cover plate according to claim 1, wherein the number of the hollowed-out structures is 1 or more;
each hollow structure corresponds to two water stop blocks (2);
when the hollow structures are multiple, the second water stop block (2) of the previous hollow structure is adjacent to the first water stop block (2) of the next hollow structure.
5. The automatic waterproof heat-dissipation cable cover plate of claim 1, wherein the waterproof block (2) is fixed with the cover plate body (1) through a paste or a fixing piece (3).
6. The automatic waterproof heat-dissipation cable cover plate according to claim 1, wherein the thickness of the water stop block (2) is 2-5 cm.
7. The automatic waterproof and heat-dissipation cable cover plate according to claim 3, wherein when the hollowed-out structure is circular, the water stop block (2) is of an annular structure, and the outer diameter of the water stop block (2) is larger than the diameter of the hollowed-out structure.
8. The automatic waterproof and heat-dissipation cable cover plate as claimed in claim 3, wherein when the hollowed-out structure is square, the water stop block (2) is square.
9. The automatic waterproof and heat-dissipating cable cover plate according to claim 5, wherein the fixing member (3) is a bolt or a snap.
10. The automatic waterproof heat-dissipating cable cover plate according to claim 1, wherein the cover plate body (1) is made of metal, concrete or resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527265.8U CN212323678U (en) | 2020-04-10 | 2020-04-10 | Automatic waterproof heat dissipation cable cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527265.8U CN212323678U (en) | 2020-04-10 | 2020-04-10 | Automatic waterproof heat dissipation cable cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323678U true CN212323678U (en) | 2021-01-08 |
Family
ID=74019255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020527265.8U Active CN212323678U (en) | 2020-04-10 | 2020-04-10 | Automatic waterproof heat dissipation cable cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323678U (en) |
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2020
- 2020-04-10 CN CN202020527265.8U patent/CN212323678U/en active Active
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