CN209963707U

CN209963707U - Fireproof bus duct

Info

Publication number: CN209963707U
Application number: CN201920933268.9U
Authority: CN
Inventors: 李俊超
Original assignee: Wuxi Shuangle Electrical Appliances Co Ltd
Current assignee: Wuxi Shuangle Electrical Appliances Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-01-17
Anticipated expiration: 2029-06-20

Abstract

The utility model relates to the technical field of electrical equipment, and a fire prevention type bus duct is disclosed, including fixing device, the bottom joint of fixing device inner chamber has down the asbestos board, the equal joint in both sides of fixing device inner wall has the kerbstone board, fixing device's inner wall fixed mounting has fire-retardant baffle, the inside joint of fire-retardant baffle has four copper bars that are parallel to each other, four the pyrocondensation pipe has been cup jointed to the equal fixed pyrocondensation pipe that has cup jointed in mid portion of copper bar surface, and the outside of four copper bars all bonds and has the insulating crust that is located the pyrocondensation pipe both sides. This fire prevention type bus duct, through copper bar and heat abstractor mutually support for the heat that the copper bar produced can be absorbed by the heating panel, discharge to the external world through the radiating hole afterwards, improved the radiating effect of device, and through mutually supporting of lower asbestos board and side asbestos board, when making the ambient temperature too high, even fixing device's high temperature also can not be with the rapid transmission of temperature for the copper bar, improved the fire-resisting ability of device.

Description

Fireproof bus duct

Technical Field

The utility model relates to the technical field of electrical equipment, specifically be a fire prevention type bus duct.

Background

The bus duct, a closed metal device composed of copper and aluminum bus bars, is used to distribute large power to the elements of the decentralized system, and has been increasingly used as a substitute for wire and cable in the project of indoor low-voltage power transmission main line engineering.

Present bus duct top adopts the buckled plate fixed, when the outside conflagration breaing out, can be with the quick transmission of external heat for the copper bar for inside high temperature, the fireproof effect is not good, and present bus duct water-proof effects is poor, consequently can only be applied to indoorly, and some outdoor projects then can't use the bus duct.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fire prevention type bus duct has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the utility model provides a fire prevention type bus duct, includes fixing device, the bottom joint of fixing device inner chamber has lower asbestos board, the equal joint in both sides of fixing device inner wall has the kerbstone board, fixing device's inner wall fixed mounting has fire-retardant baffle, the inside joint of fire-retardant baffle has four copper bars that are parallel to each other, four the mid portion of copper bar surface is all fixed the pyrocondensation pipe that has cup jointed, and the outside of four copper bars all bonds and has the insulating crust that is located the pyrocondensation pipe both sides, fixing device's top fixed mounting has heat abstractor, heat abstractor's top activity has cup jointed the bolt, the bolt passes heat abstractor, fixing device and extends to the one end threaded connection of fixing device bottom has the nut, fixing device's side joint has watertight fittings.

Preferably, fixing device includes fixed shell, the both sides of fixed shell inner wall all are provided with the joint board, the inside joint of joint board has the kerbstone board, the both sides of fixed shell all are provided with the card strip, the outside joint of card strip has watertight fittings.

Preferably, the heat dissipation device comprises a cover plate, a plurality of uniformly distributed heat dissipation plates are fixedly mounted at the bottom of the cover plate and distributed among the four copper bars, a plurality of uniformly distributed heat dissipation holes are formed in the top of the fixing device, and one heat dissipation hole is formed between every two heat dissipation plates.

Preferably, the waterproof device comprises a waterproof cover, the two sides of the inner wall of the waterproof cover are respectively provided with an upper clamping block, the bottom of the waterproof cover is fixedly connected with two lower clamping blocks, the bottom of each lower clamping block is movably sleeved with five screws which are uniformly distributed, the five screws are in threaded connection with the bottom of the waterproof cover, and the lower clamping blocks are fixedly connected with the waterproof cover through the screws.

Preferably, a fixing groove is formed between the lower clamping block and the upper clamping block, and a clamping strip is clamped inside the fixing groove.

Preferably, the shape of the top of the waterproof cover is an isosceles trapezoid, and a gap exists between the top of the inner cavity of the waterproof cover and the top of the heat dissipation device.

The utility model discloses possess following beneficial effect:

1. this fire prevention type bus duct, through copper bar and heat abstractor mutually support for the heat that the copper bar produced can be absorbed by the heating panel, discharge to the external world through the radiating hole afterwards, improved the radiating effect of device, and through mutually supporting of lower asbestos board and side asbestos board, when making the ambient temperature too high, even fixing device's high temperature also can not be with the rapid transmission of temperature for the copper bar, improved the fire-resisting ability of device.

2. This fire prevention type bus duct through mutually supporting of fixing device and watertight fittings for watertight fittings's mounting means has two kinds, is convenient for select different mounting means according to the environment of difference, has improved the usability of device, and utilizes watertight fittings can effectually prevent that the rainwater from entering into fixing device's inside, has improved the water-proof effects of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixing device of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the fixing device of the present invention;

FIG. 5 is a schematic view of the heat dissipation device of the present invention;

fig. 6 is a schematic structural view of the waterproof device of the present invention.

In the figure: 1. a fixing device; 101. fixing the housing; 102. a clamping and connecting plate; 103. clamping the strip; 2. a lower asbestos plate; 3. a kerbstone; 4. a flame retardant separator plate; 5. copper bars; 6. heat shrink tubing; 7. an insulating sheath; 8. a heat sink; 801. a cover plate; 802. a heat dissipation plate; 803. heat dissipation holes; 9. a bolt; 10. a waterproof device; 1001. a waterproof cover; 1002. an upper clamping block; 1003. a lower clamping block; 1004. and (4) screws.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a fireproof bus duct comprises a fixing device 1, a lower asbestos plate 2 is clamped at the bottom of an inner cavity of the fixing device 1, two sides of an inner wall of the fixing device 1 are respectively clamped with a side asbestos plate 3, external heat can be effectively blocked through the lower asbestos plate 2 and the side asbestos plate 3, the heat is prevented from rapidly entering the fixing device 1, the fireproof capacity of the device is improved, a flame-retardant partition plate 4 is fixedly mounted on the inner wall of the fixing device 1, four copper bars 5 which are parallel to each other are clamped inside the flame-retardant partition plate 4, a heat-shrinkable tube 6 is fixedly sleeved at the middle part of the outer surface of each of the four copper bars 5, insulating outer skins 7 positioned at two sides of the heat-shrinkable tube 6 are respectively bonded outside the four copper bars 5, a heat dissipation device 8 is fixedly mounted at the top of the fixing device 1, a bolt 9 is movably sleeved at the top of the heat dissipation device 8, The fixing device 1 is connected with a nut through a thread at one end extending to the bottom of the fixing device 1, and a waterproof device 10 is clamped on the side face of the fixing device 1.

Wherein, fixing device 1 includes fixed casing 101, and the both sides of fixed casing 101 inner wall all are provided with joint board 102, and the inside joint of joint board 102 has the asbestos board 3 of side, and the both sides of fixed casing 101 all are provided with card strip 103, and the outside joint of card strip 103 has watertight fittings 10.

Wherein, heat abstractor 8 includes apron 801, and the bottom fixed mounting of apron 801 has a plurality of evenly distributed's heating panel 802, and heating panel 802 distributes between four copper bars 5, is convenient for absorb the heat that copper bar 5 produced, and a plurality of evenly distributed's louvre 803 has been seted up at the top of fixing device 1, discharges the heat through louvre 803, has seted up a louvre 803 between per two heating panels 802.

Wherein, watertight fittings 10 includes waterproof cover 1001, and the both sides of waterproof cover 1001 inner wall all are provided with fixture block 1002, fixture block 1003 under two of the bottom fixedly connected with of waterproof cover 1001, and the bottom of two fixture blocks 1003 is all movable to be cup jointed five evenly distributed's screw 1004 down, five screw 1004 and waterproof cover 1001's bottom threaded connection, for dismantling the connection between fixture block 1003 and the waterproof cover 1001 down, be convenient for select suitable mounting means as required, lower fixture block 1003 passes through screw 1004 and waterproof cover 1001 fixed connection.

A fixing groove is formed between the lower fixture block 1003 and the upper fixture block 1002, and the inside of the fixing groove is clamped with the clamping strip 103.

Wherein, the shape at the top of waterproof cover 1001 is for setting up to isosceles trapezoid, and has the clearance between the top of waterproof cover 1001 inner chamber and heat abstractor 8's top, is convenient for give off the heat.

The working principle is that when the waterproof device 10 is installed, the lower clamping block 1003 and the waterproof cover 1001 can be inserted from the side or covered from the upper side according to needs, the lower clamping block 1003 and the waterproof cover 1001 are fixed through the screws 1004 when the waterproof device 10 is inserted from the side, then the waterproof device 10 is inserted into the clamping strip 103 from the side, when the waterproof device is installed from the upper side, the lower clamping block 1003 and the waterproof cover 1001 need to be detached firstly, then the waterproof cover 1001 is installed from the upper side, the lower clamping block 1003 is installed from the lower side, and finally the screws 1004 are locked; the heat that copper bar 5 produced can be absorbed by heating panel 802, discharges to the external world through louvre 803 afterwards, has improved the radiating effect of device to through mutually supporting of lower asbestos board 2 and side asbestos board 3, when making ambient temperature too high, even fixing device 1's high temperature also can not be with the rapid transmission of temperature for copper bar 5, improved the fire behavior of device.

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.

Claims

1. The utility model provides a fire prevention type bus duct, includes fixing device (1), its characterized in that: the bottom of the inner cavity of the fixing device (1) is connected with a lower asbestos plate (2) in a clamping manner, two sides of the inner wall of the fixing device (1) are connected with side asbestos plates (3) in a clamping manner, the inner wall of the fixing device (1) is fixedly provided with a flame-retardant partition plate (4), the inner part of the flame-retardant partition plate (4) is connected with four copper bars (5) which are parallel to each other in a clamping manner, the middle parts of the outer surfaces of the four copper bars (5) are fixedly sleeved with heat-shrinkable tubes (6), the outer parts of the four copper bars (5) are respectively bonded with insulating outer skins (7) which are positioned at two sides of the heat-shrinkable tubes (6), the top of the fixing device (1) is fixedly provided with a heat-radiating device (8), the top of the heat-radiating device (8) is movably sleeved with bolts (9), and one ends of the bolts (9) which penetrate, the side surface of the fixing device (1) is clamped with a waterproof device (10).

2. A fire-resistant bus duct according to claim 1, characterized in that: fixing device (1) is including fixed shell (101), the both sides of fixed shell (101) inner wall all are provided with joint board (102), the inside joint of joint board (102) has kerbstone board (3), the both sides of fixed shell (101) all are provided with card strip (103), the outside joint of card strip (103) has watertight fittings (10).

3. A fire-resistant bus duct according to claim 1, characterized in that: the heat dissipation device (8) comprises a cover plate (801), a plurality of uniformly distributed heat dissipation plates (802) are fixedly mounted at the bottom of the cover plate (801), the heat dissipation plates (802) are distributed among four copper bars (5), a plurality of uniformly distributed heat dissipation holes (803) are formed in the top of the fixing device (1), and one heat dissipation hole (803) is formed between every two heat dissipation plates (802).

4. A fire-resistant bus duct according to claim 1, characterized in that: the waterproof device (10) comprises a waterproof cover (1001), wherein two sides of the inner wall of the waterproof cover (1001) are respectively provided with an upper clamping block (1002), the bottom of the waterproof cover (1001) is fixedly connected with two lower clamping blocks (1003), the bottoms of the two lower clamping blocks (1003) are respectively movably sleeved with five evenly-distributed screws (1004), the five screws (1004) are in threaded connection with the bottom of the waterproof cover (1001), and the lower clamping blocks (1003) are fixedly connected with the waterproof cover (1001) through the screws (1004).

5. A fire-proof bus duct according to claim 4, characterized in that: a fixing groove is formed between the lower clamping block (1003) and the upper clamping block (1002), and a clamping strip (103) is clamped inside the fixing groove.

6. A fire-proof bus duct according to claim 4, characterized in that: the shape of the top of the waterproof cover (1001) is isosceles trapezoid, and a gap exists between the top of the inner cavity of the waterproof cover (1001) and the top of the heat dissipation device (8).