Fireproof bus duct

Abstract

The utility model relates to a fireproof bus duct which comprises a shell, wing plates are arranged on the two sides of the shell, a supporting plate is arranged on the sides, away from the shell, of the wing plates, a ventilation cavity is defined by the wing plates, a bottom plate of the shell and the supporting plate, and a first connecting rod and a second connecting rod are arranged on the two sides of the supporting plate respectively. And the first connecting rod and the second connecting rod are respectively connected to an external ceiling wall body. The situation that when a fire disaster occurs, due to the fact that the bus duct is in a suspended state, flame directly grills the sleeving frame and the bottom of the bus duct, temperature rise in the bus duct is fast, and the bus duct is prone to being damaged is improved, and therefore the effect of protecting the device is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bus duct, especially to a fireproof bus duct. BACKGROUND

[0002] Bus duct is a kind of closed metal device formed by copper and aluminum bus column, which is used to distribute large power to each element of dispersion system. In the project of indoor low-voltage power transmission trunk line, it has been increasingly replaced by wire and cable. In the process of installing bus duct, it needs to be installed by suspension mechanism.

[0003] The Chinese invention patent with publication number CN116388090A discloses an intelligent bus duct with anti-falling device, which comprises a bus duct body, a sleeving frame is sleeved on the outer side of the bus duct body, a suspension limiting mechanism is arranged on the surface of the sleeving frame, a hanging rod penetrates through the suspension limiting mechanism, a clamping reinforcing piece is arranged on the surface of the suspension limiting mechanism to clamp the hanging rod, and a regulating mechanism is arranged on the surface of the suspension limiting mechanism to regulate the position of the clamping reinforcing piece.

[0004] In the process of using the above-mentioned patent, part of the bus duct is wrapped by the sleeving frame, and the bus duct and the sleeving frame are in close contact. When a fire occurs, the flame directly roasts the bottom of the sleeving frame and the bus duct because the bus duct is in a suspended state. The internal temperature of the bus duct rises quickly, which easily causes damage to the bus duct. UTILITY MODEL CONTENT

[0005] In order to improve the situation that when a fire occurs, the flame directly roasts the bottom of the sleeving frame and the bus duct because the bus duct is in a suspended state, the internal temperature of the bus duct rises quickly, which easily causes damage to the bus duct in the related technology, the present application provides a fireproof bus duct.

[0006] The present application provides a fireproof bus duct, which adopts the following technical scheme:

[0007] A fireproof bus duct comprises a shell, wing plates are arranged on both sides of the shell, a supporting plate is arranged on the side of the wing plate away from the shell, a ventilation cavity is formed by the wing plate, the bottom plate of the shell and the supporting plate, a first connecting rod and a second connecting rod are arranged on both sides of the supporting plate respectively, and the first connecting rod and the second connecting rod are connected to the external ceiling wall body respectively.

[0008] A cooling cavity is arranged in the supporting plate, a water inlet and a water outlet are arranged on both sides of the supporting plate respectively, the water inlet is communicated with the cooling cavity, and the water outlet is communicated with the cooling cavity.

[0009] The water inlet is communicated with a water pipe in the wall body outside, and the water outlet is communicated with a sewer pipe in the wall body.

[0010] The control circuit is arranged in the ceiling wall, an electromagnetic valve is connected between the water inlet and a water pipe, a temperature sensor is arranged at the bottom of the supporting plate, and the temperature sensor and the electromagnetic valve are connected with the control circuit.

[0011] The supporting plate is provided with a slot, and the wing plates are arranged in the slot.

[0012] The upper edge of the wing plate is provided with a stepped groove, and the lower edge of the shell is arranged across the two wing plates and is inserted into the stepped groove.

[0013] The first connecting rod and the second connecting rod are provided with fixing bases at the ends away from the supporting plate, and the fixing bases are provided with expansion bolts for fixing the ceiling wall.

[0014] When a fire occurs, the flame roasts the supporting plate, the temperature of the supporting plate is increased, the wing plates, the bottom plate of the shell and the supporting plate form a ventilation cavity, so that the temperature of the supporting plate cannot be directly transmitted to the bus duct, and due to the arrangement of the water inlet and the water outlet, the cooling cavity is filled with flowing water, the temperature of the supporting plate is reduced, the temperature in the ventilation cavity is reduced, the temperature rising speed in the bus duct is reduced, and the situation that the bus duct is damaged due to the direct roasting of the flame on the bottom of the bus duct and the sleeve frame and the rapid temperature rise in the bus duct is improved, so that the protection device is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or the prior art description will be described below. Obviously, the technical scheme described in the description in combination with the drawings is only some embodiments of the present application, and for those skilled in the art, other embodiments and drawings can be obtained without creative labor on the basis of the embodiments shown in the drawings.

[0016] Fig. 1 is a structural schematic view of the fireproof bus duct from one perspective.

[0017] Fig. 2 is a structural schematic view of the fireproof bus duct from another perspective.

[0018] Fig. 3 is a sectional view of the wing plate, the supporting plate and the shell.

[0019] In the figure: 1, shell; 2, wing plate; 3, expansion bolt; 4, ventilation cavity; 5, first connecting rod; 6, second connecting rod; 7, cooling cavity; 8, water inlet; 9, water outlet; 10, supporting plate; 11, stepped groove; 12, insertion slot; 13, fixing seat; 14, connecting plate piece. DETAILED DESCRIPTION

[0020] The technical solutions of the embodiments of the utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0021] Referring to Figs. 1-3 The embodiment of the utility model provides a kind of fireproof bus duct, including shell 1, the both sides of shell 1 are provided with wing plate 2, wing plate 2 is provided with supporting plate 10 away from the side of shell 1, wing plate 2, the bottom plate of shell 1 and supporting plate 10 are enclosed and constitute ventilation cavity 4, the both sides of supporting plate 10 are provided with first connecting rod 5 and second connecting rod 6 respectively, first connecting rod 5 and second connecting rod 6 are connected to the ceiling wall body outside respectively.

[0022] First connecting rod 5 and second connecting rod 6 are welded and fixed to supporting plate 10.

[0023] The inside of supporting plate 10 is provided with cooling cavity 7, the both sides of supporting plate 10 are provided with water inlet 8 and water outlet 9 respectively, water inlet 8 is communicated with cooling cavity 7, and water outlet 9 is communicated with cooling cavity 7.

[0024] Water inlet 8 is communicated with the water pipe in the wall outside, and water outlet 9 is communicated with the sewer pipe in the wall.

[0025] It also includes control circuit, control circuit is arranged in the ceiling wall body, and electromagnetic valve is connected between water inlet 8 and water pipe, the bottom of supporting plate 10 is provided with temperature sensor, and temperature sensor and electromagnetic valve are all connected with control circuit, when ambient temperature rises, temperature sensor transmits signal to control circuit, and at this time, control circuit opens electromagnetic valve to make tap water flow into water inlet 8.

[0026] Insertion slot 12 is arranged on supporting plate 10, and wing plate 2 is arranged in insertion slot 12.

[0027] The upper edge of wing plate 2 is provided with stepped groove 11, and the lower edge of shell 1 is provided with two wing plates 2 and is inserted into stepped groove 11.

[0028] The end of first connecting rod 5 and second connecting rod 6 away from supporting plate 10 is provided with fixing seat 13, and expansion bolt 3 for fixing to the ceiling wall body is arranged on fixing seat 13.

[0029] In the installation, the wing plate 2 is first inserted into the slot 12, the connecting plate 14 is placed between the wing plate 2 and the supporting plate 10, the connecting plate 14 is fixed to the wing plate 2 and the supporting plate 10 by bolts, and the assembly between the wing plate 2 and the supporting plate 10 is achieved; then the shell 1 is placed on the wing plate 2, the lower edge of the shell 1 is inserted into the stepped groove 11, and the user can also use bolt fixing or welding fixing and other ways to fix the wing plate 2 on the lower edge of the shell 1 according to the actual application environment of the fireproof bus duct, so as to further enhance the connection strength between the shell 1 and the wing plate 2, and form the ventilation cavity 4; then the fixing hole for the expansion bolt 3 is pre-opened on the ceiling wall, the fireproof bus duct is lifted, the fixing seat 13 is attached to the ceiling wall, the expansion bolt 3 is inserted into the fixing hole, and the expansion bolt 3 is expanded, so that the supporting plate 10 is fixed to the ceiling wall, and finally the suspension operation of the fireproof bus duct is completed.

[0030] In normal state, the electromagnetic valve is in closed state, when fire occurs, the temperature near the supporting plate 10 rises, at this time the temperature sensor transmits the signal to the control circuit, and then the control circuit controls the electromagnetic valve to open, and then the tap water flows into the water inlet 8, flows through the cooling cavity from the water outlet 9, and flows into the drain pipe, so that the flowing water enters the cooling cavity 7, so as to reduce the temperature of the supporting plate 10, and at the same time can reduce the temperature in the ventilation cavity 4, so as to avoid the direct roasting of the bus duct shell 1 by the flame, so as to alleviate the rapid temperature rise in the bus duct, improve the situation that when fire occurs, the bus duct is in a suspended state, the flame directly roasts the bottom of the sleeve frame and the bus duct, the temperature in the bus duct rises rapidly, and the bus duct is easily damaged, so as to play the role of the protection device.

Claims

1. A fireproof busbar trunking system, characterized in that: The device includes a housing (1), with wing plates (2) on both sides of the housing (1). A support plate (10) is provided on the side of the wing plate (2) away from the housing (1). The wing plates (2), the bottom plate of the housing (1), and the support plate (10) together form a ventilation cavity (4). A first connecting rod (5) and a second connecting rod (6) are respectively provided on both sides of the support plate (10). The first connecting rod (5) and the second connecting rod (6) are respectively connected to the external ceiling wall.

2. The fireproof busbar trunking according to claim 1, characterized in that: The tray (10) has a cooling cavity (7) inside. The tray (10) has a water inlet (8) and a water outlet (9) on both sides. The water inlet (8) is connected to the cooling cavity (7), and the water outlet (9) is connected to the cooling cavity (7).

3. The fireproof busbar trunking according to claim 2, characterized in that: The water inlet (8) is connected to the water pipe inside the external wall, and the water outlet (9) is connected to the drain pipe inside the wall.

4. The fireproof busbar trunking according to claim 3, characterized in that: It also includes a control circuit, which is installed in the ceiling wall. An electromagnetic valve is connected between the water inlet (8) and the tap water pipe. A temperature sensor is installed at the bottom of the tray (10). The temperature sensor and the electromagnetic valve are both connected to the control circuit. When the ambient temperature rises, the temperature sensor transmits a signal to the control circuit. At this time, the control circuit opens the electromagnetic valve to allow tap water to flow into the water inlet (8).

5. The fireproof busbar trunking according to claim 1, characterized in that: The tray (10) is provided with a slot (12), and the wing plate (2) is disposed in the slot (12).

6. The fireproof busbar trunking according to claim 5, characterized in that: The upper edge of the wing plate (2) is provided with a stepped groove (11), and the lower edge of the shell (1) is provided with two wing plates (2) and inserted into the stepped groove (11).

7. The fireproof busbar trunking according to claim 1, characterized in that: The first connecting rod (5) and the second connecting rod (6) are provided with a fixing seat (13) at the end away from the support plate (10), and the fixing seat (13) is provided with an expansion bolt (3) for fixing to the ceiling wall.

Images