CN110943409A - Heat dissipation drainage device of fire prevention groove box - Google Patents
Heat dissipation drainage device of fire prevention groove box Download PDFInfo
- Publication number
- CN110943409A CN110943409A CN201911310352.6A CN201911310352A CN110943409A CN 110943409 A CN110943409 A CN 110943409A CN 201911310352 A CN201911310352 A CN 201911310352A CN 110943409 A CN110943409 A CN 110943409A
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- Prior art keywords
- dual
- fire
- heat dissipation
- drainage device
- cavity
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 16
- 230000002265 prevention Effects 0.000 title description 6
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 230000005484 gravity Effects 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 14
- 239000006185 dispersion Substances 0.000 claims description 10
- 239000011800 void material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 230000007480 spreading Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The embodiment of the invention discloses a heat dissipation and drainage device of a fire chute box, which comprises a mounting hole arranged at the lower bottom surface of the fire chute box along the gravity direction, wherein a first part is clamped in the mounting hole, the first part is detachably connected with a second part, a dual-purpose barrier penetrating along the gravity direction is arranged on the first part, a dual-purpose channel is arranged in the second part, an expansion material core which is expanded by heating to block the dual-purpose channel is arranged in the dual-purpose channel, and the dual-purpose channel is communicated with the outside and the dual-purpose barrier; the device has the advantages that the device has the function of isolating the fire between the interior of the fire-proof groove box and the outside while taking air permeability and drainage into consideration through the first component, the second component and the expansion material core, the heating response time of the expansion material core is shortened, the fire can be prevented from spreading and expanding, the structure of the device can be simplified and the production cost can be reduced through multipurpose development of the dual-purpose barrier and the dual-purpose channel structure.
Description
Technical Field
The embodiment of the invention relates to the technical field of cable trough boxes, in particular to a heat dissipation and drainage device of a fireproof trough box.
Background
The cable trough box is usually made of a high temperature and fire resistant material. The cable trough box is used as a common supporting and protecting device for laying cables in an electrical equipment power supply system, and plays roles of protecting and guiding the cables laid in the cable trough box. However, in practical use, the cable runs to generate a large amount of heat energy, and the cable trough box is usually a sealing structure, so that the heat energy cannot be dissipated to the outside, and the cable runs at a high temperature state for a long time, so that the aging of the cable is accelerated, and the cable is easy to cause fire.
In the prior art, the above-mentioned problem is usually solved by using a breathable cable trough box, such as the utility model with application number CN201621114231.6, the top end of the cable trough box is provided with a shutter-shaped ventilation hole to dissipate heat of the trough box. Although the scheme can solve the problems of ventilation and heat dissipation, the defect is that when a fire disaster occurs outside, fire easily enters the cable trough box from the exhaust hole, so that the cable is ignited, and explosion can be caused when the fire disaster is serious; when the cable is on fire, the fire easily spreads from the vent hole to the outside, so that the outside large-scale fire is caused, and huge property loss can be caused; and the air holes at the top can not drain accumulated water in the cable trough box.
Disclosure of Invention
Therefore, the embodiment of the invention provides a heat dissipation and drainage device of a fireproof groove box, which aims to solve the problems that drainage cannot be carried out and fire cannot be isolated in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following:
the utility model provides a heat dissipation drainage device of fire prevention groove box, is including establishing the mounting hole in the lower bottom surface of fire prevention groove box along the direction of gravity, the mounting hole has first part in inside joint, can be connected with the second part on the first part with dismantling be equipped with the dual-purpose barrier that link up along the direction of gravity on the first part, just be equipped with dual-purpose passageway in the second part be equipped with in the dual-purpose passageway and be used for the thermal expansion in order to block up the inflation material core of dual-purpose passageway, just dual-purpose passageway intercommunication external with dual-purpose barrier.
As a preferable scheme of the present invention, the dual-purpose channel includes a through cavity provided in the center of the second member, and a dispersion duct provided at the bottom edge of the through cavity, and the dispersion duct transversely penetrates the through cavity and the outer side wall of the second member.
In a preferred embodiment of the present invention, the expandable core is installed inside the through cavity, and a void channel is formed between the expandable core and the side wall and the upper bottom surface of the through cavity.
In a preferred embodiment of the present invention, a heat conducting device is disposed inside the expandable material core.
As a preferable aspect of the present invention, the heat conducting device includes a heat conducting disc transversely disposed in the expansion core, and a first heat conducting strip penetrating through the dual-purpose barrier is fixedly mounted on an upper surface of the heat conducting disc, and a second heat conducting strip penetrating through the dispersion duct is fixedly mounted on a lower surface of the heat conducting disc.
As a preferable scheme of the present invention, an annular groove is provided on a side wall of the first member, and an elastic ring is provided on a wall of the mounting hole corresponding to the annular groove, and the elastic ring is hermetically nested in the annular groove.
In a preferred embodiment of the present invention, the bottom end of the first member is centered on the top bottom surface of the second member by a first pipe thread.
As a preferable scheme of the present invention, a sealing piece is sleeved on a lower bottom surface of the second member through a second pipe thread, a top end of the sealing piece is in contact with the expandable core, and a pulling point is arranged at a bottom end of the sealing piece.
The embodiment of the invention has the following advantages:
the device has the advantages that the device has the function of isolating the fire between the interior of the fire-proof groove box and the outside while taking air permeability and drainage into consideration through the first component, the second component and the expansion material core, the heating response time of the expansion material core is shortened, the fire can be prevented from spreading and expanding, the structure of the device can be simplified and the production cost can be reduced through multipurpose development of the dual-purpose barrier and the dual-purpose channel structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an exploded view of the overall structure in an embodiment of the present invention;
fig. 2 is a schematic structural view of a first member and a second member in an embodiment of the present invention.
In the figure:
1-a first component; 2-a second component; 3-a dual-purpose channel; 4-dual purpose barrier; 5-expanding the core; 6-mounting holes; 7-heat conducting means; 8-an annular groove; 9-an elastic ring; 10-first pipe thread; 11-second pipe thread; 12-sealing piece; 13-a dial point; 14-fire prevention groove box;
301-through cavity; 302-discrete tunnels; 303-void passage;
701-heat conducting wafer; 702-a first thermally conductive strip; 703-second heat conducting strip.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, 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 invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the invention provides a heat dissipation and drainage device for a fire chute box, which comprises a mounting hole 6 arranged at the lower bottom surface of a fire chute box 14 along the gravity direction, wherein a first part 1 is clamped in the mounting hole 6, a second part 2 is detachably connected to the first part 1, a dual-purpose barrier 4 penetrating along the gravity direction is arranged on the first part 1, a dual-purpose channel 3 is arranged in the second part 2, an expansion material core 5 expanded by heat to block the dual-purpose channel 3 is arranged in the dual-purpose channel 3, and the dual-purpose channel 3 is communicated with the outside and the dual-purpose barrier 4.
The core point of the invention is that the first component 1 is arranged on the lower bottom surface of the fire-proof slot box in the gravity direction, so that accumulated water in the fire-proof slot box 14 flows into the dual-purpose barrier 4 under the action of gravity and is discharged to the outside through the dual-purpose channel 3 in the second component 2, after the accumulated water in the fire-proof slot box 14 is emptied, the dual-purpose barrier 4 and the dual-purpose channel 3 can have the effect of increasing the air permeability of the fire-proof slot box 14, and heat produced when a cable transmits current can be timely dissipated; the dual-purpose passage 3 and the dual-purpose barrier 4 have two purposes of ventilation and drainage; when a fire disaster occurs outside the fire-proof groove box 14, the heated volume of the dual-purpose barrier 4 expands, so that the dual-purpose channel 3 is blocked, the outside and the fire-proof groove box 14 are isolated, and the external fire is prevented from spreading into the fire-proof groove box 14 to damage the cable and equipment connected with the cable; when the cable in the fire-proof slot box 14 is on fire, the fire-proof slot box 14 is isolated from the outside by the expanding material core 5, so as to prevent the fire from spreading outwards and causing other losses.
The invention has the advantages of taking account of air permeability and water drainage, simultaneously having the function of isolating fire, preventing the fire from spreading and expanding, simplifying the structure of the device and reducing the production cost through the multipurpose development of the structures of the dual-purpose barrier 4 and the dual-purpose channel 3.
As shown in fig. 2, the dual-purpose channel 3 includes a through cavity 301 disposed in the center of the second component 2, and a dispersion duct 302 disposed at the bottom edge of the through cavity 301, the dispersion duct 302 transversely penetrates the through cavity 301 and the outer side wall of the second component 2, the expandable core 5 is mounted inside the through cavity 301, and a gap channel 303 is formed between the expandable core 5 and the side wall and the upper bottom surface of the through cavity 301.
Through leading to chamber 301 in order to lay inflation material core 5, when inflation material core 5 is heated the inflation material core 5 extrusion clearance passageway 303 that increases of volume to cut off dual-purpose barrier 4 and dispersion tunnel 302, thereby make second part 2 internal seal, and then isolated fire prevention groove box 14 with external.
The through cavity 301 is a conical cavity with an upward conical tip and a truncated conical tip.
Through the special shape of logical chamber 301 for the expanding material core 5 that is heated inflation is the curved surface of slope with the contact surface that leads to chamber 301 side direction, is favorable to increasing both area of contact, improves both extrusion contact's sealing stability.
Wherein, a heat conduction device 7 is arranged inside the expansion material core 5; the heat conducting device 7 comprises a heat conducting disc 701 transversely arranged in the expansion material core 5, a first heat conducting strip 702 penetrating through the dual-purpose barrier 4 is fixedly installed on the upper surface of the heat conducting disc 701, and a second heat conducting strip 703 penetrating through the dispersion duct 302 is fixedly installed on the lower surface of the heat conducting disc 701; an annular groove 8 is formed in the side wall of the first component 1, an elastic ring 9 is arranged on the hole wall of the mounting hole 6 corresponding to the annular groove 8, and the elastic ring 9 is nested in the annular groove 8 in a sealing mode.
The invention is also characterized in that the length of the dual-purpose channel 3 is increased through the special design of the dual-purpose channel 3, the time of the fire passing through the dual-purpose channel 3 is increased, so that the full heating of the expansion material core 5 is ensured, and the heat conducting device 7 is conveniently distributed through the special structure of the dual-purpose channel 2, so that the heat conducting device 7 can rapidly transfer the heat at the two ends into the expansion material core 5.
Wherein, the heat conduction device 7 can be made of common materials with good heat conductivity, and the expansion material core 5 can be made of common fire-fighting fire-retardant materials.
Wherein, the bottom end of the first component 1 passes through the first pipe thread 10 and the center of the upper bottom surface of the second component 2; the lower bottom surface of the second part 2 is sleeved with a sealing sheet 12 through a second pipe thread 11, the top end of the sealing sheet 12 is in contact with the expansion material core 5, and a stirring point 13 is arranged at the bottom end of the sealing sheet 12.
The sealing piece 12 can be separated from the second pipe thread 11 by manually applying force to the toggle point 13, so that the expansion material core 5 can be taken out of the through cavity 301, the first component 1 and the second component 2 can be detached through the first pipe thread 10, the replacement of each part of the device is facilitated, or the structures of the expansion material core 5 and the like are checked, wherein the first heat conduction strip 702 and the second heat conduction strip 703 need to be made of heat conduction materials with certain elasticity.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a heat dissipation drainage device of fire chute box, its characterized in that, is including establishing mounting hole (6) in fire chute box along the lower bottom surface of direction of gravity, mounting hole (6) have first part (1) in inside joint, can be connected with second part (2) on first part (1) with dismantling be equipped with on first part (1) along dual-purpose barrier (4) that direction of gravity link up, just be equipped with dual-purpose passageway (3) in second part (2) be equipped with in dual-purpose passageway (3) and be used for the inflation of being heated in order to block up the inflation material core (5) of dual-purpose passageway (3), just dual-purpose passageway (3) communicate external with dual-purpose barrier (4).
2. The heat dissipation and drainage device for the fire chute box as claimed in claim 1, wherein the dual-purpose channel (3) comprises a through cavity (301) arranged in the center of the second component (2) and a dispersion duct (302) arranged at the bottom edge of the through cavity (301), and the dispersion duct (302) transversely penetrates through the through cavity (301) and the outer side wall of the second component (2).
3. A fire chute box heat dissipation and drainage device as claimed in claim 2, wherein the expansion core (5) is installed inside the through cavity (301), and a void channel (303) is formed between the expansion core (5) and the side wall and the upper bottom surface of the through cavity (301).
4. The heat dissipation and drainage device for the fire chute box as claimed in claim 2, wherein the through cavity (301) is a conical cavity with a cone tip facing upwards and a cone tip truncated by a plane.
5. A fire chute box heat dissipation and drainage device as claimed in claim 3, wherein a heat conduction device (7) is provided inside the expansion material core (5).
6. The heat dissipation and drainage device of a fire chute box as claimed in claim 5, wherein the heat conduction device (7) comprises a heat conduction disc (701) transversely disposed in the intumescent core (5), and a first heat conduction strip (702) penetrating through the dual-purpose grille (4) is fixedly mounted on the upper surface of the heat conduction disc (701), and a second heat conduction strip (703) penetrating through the dispersion duct (302) is fixedly mounted on the lower surface of the heat conduction disc (701).
7. A fire-protection box heat-dissipating and draining device according to claim 1, wherein an annular groove (8) is provided on the side wall of the first member (1), and an elastic ring (9) is provided on the wall of the mounting hole (6) corresponding to the annular groove (8), and the elastic ring (9) is sealingly nested in the annular groove (8).
8. A fire chute box heat dissipation and drainage device as claimed in claim 1, wherein the bottom end of the first member (1) is centered on the top bottom surface of the second member (2) by a first pipe thread (10).
9. The heat dissipation and drainage device for the fire chute box as claimed in claim 8, wherein the lower bottom surface of the second component (2) is sleeved with a sealing piece (12) through a second pipe thread (11), the top end of the sealing piece (12) is in contact with the expansion material core (5), and the bottom end of the sealing piece (12) is provided with a stirring point (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310352.6A CN110943409A (en) | 2019-12-18 | 2019-12-18 | Heat dissipation drainage device of fire prevention groove box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310352.6A CN110943409A (en) | 2019-12-18 | 2019-12-18 | Heat dissipation drainage device of fire prevention groove box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110943409A true CN110943409A (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310352.6A Pending CN110943409A (en) | 2019-12-18 | 2019-12-18 | Heat dissipation drainage device of fire prevention groove box |
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| CN (1) | CN110943409A (en) |
Citations (12)
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|---|---|---|---|---|
| EP1657373A2 (en) * | 2004-11-12 | 2006-05-17 | Kessel GmbH | Insert and discharge system |
| CN103413794A (en) * | 2013-08-16 | 2013-11-27 | 中国科学院深圳先进技术研究院 | Radiating packaging structure of semiconductor power device |
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| CN206000008U (en) * | 2016-08-11 | 2017-03-08 | 中国核工业华兴建设有限公司 | A kind of rustless steel floor drain |
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-
2019
- 2019-12-18 CN CN201911310352.6A patent/CN110943409A/en active Pending
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