CN211209057U

CN211209057U - Low-voltage transformer cabinet with heat dissipation function

Info

Publication number: CN211209057U
Application number: CN201922136618.1U
Authority: CN
Inventors: 刘玉涛; 张家声; 马永良; 李志涛
Original assignee: Tianjin CLP Huali Electrical Science and Technology Group Co Ltd
Current assignee: Tianjin CLP Huali Electrical Science and Technology Group Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-07
Anticipated expiration: 2029-12-03

Abstract

The utility model provides a low-voltage substation with heat dissipation function, including transformer cabinet casing and baffle, the inside left and right sides of transformer cabinet casing all is provided with the installation cavity, and the inside end of installation cavity installs the air exhauster, the output flange joint of air exhauster has a tuber pipe, and the lateral wall intercommunication that goes out the tuber pipe has the shunt tubes, the input flange joint of air exhauster has the air-supply line, the baffle welding is in the inside of transformer cabinet casing, the internally mounted of installation frame has the transformer, the spout has been seted up on the surface of transformer cabinet casing, and the internally mounted of spout has the slider, the top welding of slider has the apron, and the terminal welding of apron has the fixed strip, the terminal outer wall welding of transformer cabinet casing has fixed frame. The utility model provides a low-voltage substation with heat dissipation function, the filter screen has filterable effect to getting into the impurity in the inside gas of substation casing to do benefit to the whole cleanliness that keeps gas input nature.

Description

Low-voltage transformer cabinet with heat dissipation function

Technical Field

The utility model relates to a low pressure transformer cabinet technical field that is relevant especially relates to a low pressure transformer cabinet with heat dissipation function.

Background

The low-voltage power distribution cabinet is a power distribution device used for distributing, controlling, metering and connecting cables in a power supply system, a general power supply station and a substation use high-voltage switch cabinets, then the low-voltage power distribution cabinet is led out from a transformer step-down low-voltage side, the low-voltage power distribution cabinet goes to a distribution board of each power consumption, a control box and a switch box are equipment of a power distribution device which is integrally assembled by a plurality of switches, circuit breakers, fuses, buttons, indicating lamps, instruments, electric wires and other protection devices to achieve the design function requirements.

However, in the currently used low-voltage transformer cabinet, the internal parts of the transformer cabinet are easy to generate heat and are not convenient to discharge in the using process, so that the service life of the internal parts of the transformer cabinet is poor, and the internal parts of the transformer cabinet are not convenient to replace.

Therefore, it is necessary to provide a low voltage transformer cabinet with a heat dissipation function to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low-voltage substation cabinet with heat dissipation function has solved the low-voltage substation cabinet of using at present, and the in-process inside spare part of substation cabinet that uses easily produces the heat and is not convenient for discharge for this inside spare part service life of substation cabinet is not good, and is not convenient for the problem to the change of the inside spare part of substation cabinet.

In order to solve the technical problems, the utility model provides a low-voltage power transformation cabinet with heat dissipation function, which comprises a power transformation cabinet shell and a partition plate, wherein the left side and the right side of the interior of the power transformation cabinet shell are both provided with an installation cavity, the tail end of the interior of the installation cavity is provided with an air exhauster, the output end of the air exhauster is connected with an air outlet pipe in a flange manner, the side wall of the air outlet pipe is communicated with a flow dividing pipe, the input end of the air exhauster is connected with an air inlet pipe in a flange manner, a filter screen is arranged in the air inlet pipe, the partition plate is welded in the power transformation cabinet shell, the top end of the partition plate is connected with an installation frame in a screw manner, a power transformer is arranged in the installation frame, the top end of the installation frame is connected with a clamping mechanism in a screw manner, the surface of the power transformation cabinet shell is, and a fixing frame is welded on the outer wall of the tail end of the transformer cabinet shell.

Preferably, the shunt tubes are arranged on the side wall of the air outlet pipe at equal intervals, the shunt tubes are communicated with the inner wall of the mounting cavity, and the tail ends of the shunt tubes are arranged in a horn shape.

Preferably, the filter screens are arranged in parallel in the air inlet pipe, and the apertures of the filter screens are arranged in a layer-by-layer decreasing structure.

Preferably, the inner wall of the mounting frame is welded with insulating paper, and the inner wall of the insulating paper is tightly attached to the tail end of the power converter.

Preferably, the clamping mechanism comprises a clamping frame, an elastic column and heat dissipation fins, the elastic column is welded on the inner wall of the clamping frame, the heat dissipation fins are welded on the inner wall of the elastic column, and meanwhile the inner walls of the heat dissipation fins are tightly attached to the outer wall of the middle of the power converter.

Preferably, the fixed frame and the fixed strip are arranged in a one-to-one correspondence manner, and the surface of the fixed frame and the surface of the fixed strip are both in an open-cell design.

Compared with the prior art, the utility model provides a low-voltage substation cabinet with heat dissipation function has following beneficial effect:

1. the utility model provides a low-voltage transformer cabinet with heat dissipation function, through setting up the shunt tubes, the wind in the tuber pipe enters the inside of transformer cabinet casing through the shunt tubes of each branch, removes dust and cools down to the inside of transformer cabinet casing, and the filter screen has the effect of filtering to the impurity in the gas that enters the transformer cabinet casing inside to do benefit to and keep the whole cleanliness of gas input nature;

2. the utility model provides a low-voltage transformer cabinet with heat dissipation function, through setting up installing frame and insulating paper, because the insulating paper has certain insulating function, have the effect of anticreep to the transformer after installation and circular telegram, and under the effect of mutually supporting between fixed frame and fixed strip, also can slide to the terminal apron and connect firmly between the transformer cabinet casing, in order to help guaranteeing the normal operating of the spare part in the transformer cabinet casing;

3. the utility model provides a low-voltage substation cabinet with heat dissipation function, through setting up fixture, have certain elastic function because of the elasticity post, interval between heat radiation fins and the centre gripping frame is adjusted to accessible elasticity post, has the firm effect of centre gripping to the power converter after the installation to cooperation heat radiation fins's setting has the effect of giveing off to the heat energy of crossing in the power converter working process, in order to do benefit to the service life of extension power converter.

Drawings

Fig. 1 is a schematic view of the internal structure of the transformer cabinet of the present invention;

fig. 2 is a schematic view of the external structure of the transformer cabinet of the present invention;

FIG. 3 is a schematic view of the structure of the clamping mechanism of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Reference numbers in the figures: 1. the transformer cabinet comprises a transformer cabinet shell, 2, an installation cavity, 3, an exhaust fan, 4, an air outlet pipe, 5, a shunt pipe, 6, an air inlet pipe, 7, a filter screen, 8, a partition board, 9, an installation frame, 10, insulating paper, 11, a transformer, 12, a clamping mechanism, 1201, a clamping frame, 1202, an elastic column, 1203, a heat dissipation fin, 13, a sliding chute, 14, a sliding block, 15, a cover plate, 16, a fixing strip, 17 and a fixing frame.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic front view of the internal structure of the present invention; FIG. 2 is a schematic view of the external structure of the present invention; FIG. 3 is a schematic view of the structure of the clamping mechanism of the present invention; fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention. The low-voltage power transformation cabinet with the heat dissipation function comprises a power transformation cabinet shell 1 and a partition plate 8, wherein installation cavities 2 are arranged on the left side and the right side inside the power transformation cabinet shell 1, an exhaust fan 3 is installed at the tail end inside the installation cavity 2, an air outlet pipe 4 is connected to the output end of the exhaust fan 3 in a flange mode, a shunt pipe 5 is communicated with the side wall of the air outlet pipe 4, an input end of the exhaust fan 3 is connected with an air inlet pipe 6 in a flange mode, a filter screen 7 is installed inside the air inlet pipe 6, the partition plate 8 is welded inside the power transformation cabinet shell 1, a mounting frame 9 is connected to the top end of the partition plate 8 in a screw mode, a power transformer 11 is installed inside the mounting frame 9, a clamping mechanism 12 is connected to the top end of the mounting frame 9 in a screw mode, a sliding groove 13 is formed in the surface of the power transformation cabinet shell 1, a sliding block 14, the outer wall of the tail end of the transformer cabinet shell 1 is welded with a fixing frame 17.

Shunt tubes 5 are equidistant setting at the lateral wall that goes out tuber pipe 4, and shunt tubes 5 intercommunication installation cavity 2's inner wall to shunt tubes 5's end is the setting of loudspeaker form, goes out the inside that the wind in the tuber pipe 4 got into transformer cabinet casing 1 through shunt tubes 5 of each branch, removes dust and cools down transformer cabinet casing 1's inside.

The filter screens 7 are arranged in parallel in the air inlet pipe 6, the apertures of the filter screens 7 are arranged in a layer-by-layer decreasing structure, and the filter screens have a filtering effect on impurities in the gas entering the interior of the transformer cabinet shell 1, so that the integral cleanliness of gas input is kept.

The inner wall of the mounting frame 9 is welded with the insulating paper 10, the inner wall of the insulating paper 10 is tightly attached to the tail end of the power converter 11, and the insulating paper 10 has a certain insulating function and has an anti-creeping effect on the power converter 11 which is mounted and powered on.

The clamping mechanism 12 comprises a clamping frame 1201, an elastic column 1202 and heat dissipation fins 1203, the elastic column 1202 is welded on the inner wall of the clamping frame 1201, the heat dissipation fins 1203 are welded on the inner wall of the elastic column 1202, meanwhile, the inner wall of the heat dissipation fins 1203 is tightly attached to the outer wall of the middle of the power converter 11, the elastic column 1202 has a certain elastic function, the distance between the heat dissipation fins 1203 and the clamping frame 1201 can be adjusted through the elastic column 1202, the installed power converter 11 has a clamping and stabilizing effect, the heat dissipation fins 1203 are matched, the heat energy used in the working process of the power converter 11 has a radiating effect, and the service life of the power converter 11 is prolonged.

Be the one-to-one between fixed frame 17 and the fixed strip 16 and arrange, and the surface of fixed frame 17 and the surface of fixed strip 16 are trompil formula design, under the effect of mutually supporting between fixed frame 17 and fixed strip 16, also can slide to the terminal apron 15 and the transformer cabinet casing between firm in connection to do benefit to the normal operating of guaranteeing the inside spare part of transformer cabinet casing 1.

The utility model provides a low-voltage substation's theory of operation with heat dissipation function as follows:

firstly, the transformer 11 is placed and installed on the inner wall of the installation frame 9 through the clamping frame 1201, at the moment, the insulating paper 10 on the inner wall of the installation frame 9 is tightly attached to the outer wall at the tail end of the transformer 11, meanwhile, the heat dissipation fins 1203 on the inner wall of the clamping frame 1201 are tightly attached to the middle part of the outer wall of the transformer 11, the installed transformer 11 has a clamping effect, after the transformer 11 is installed, the cover plate 15 slides downwards, at the moment, the cover plate 15 slides downwards in the sliding groove 13 through the sliding block 14, until the fixing strip 16 on the outer wall at the tail end of the cover plate 15 is completely embedded into the fixing frame 17 arranged on the front side surface of the transformer cabinet shell 1, at the moment, the installation hole arranged on the surface of the fixing strip 16 is overlapped with the installation hole arranged on the surface of the fixing frame 17, then the screw is embedded into the installation hole and screwed tightly, the connection between the cover plate 15 and the transformer cabinet shell 1 is firm, switch on air exhauster 3 and external power source, open the switch of air exhauster 3 again, can be with external air rapid suction play tuber pipe 4 under the filter action of filter screen 7 under the convulsions effect of air exhauster 3 this moment, and carry to the inside of transformer cabinet casing 1 through each shunt tubes 5, do and remove dust the cooling to the inside of transformer cabinet casing 1, treat a period of back, close the switch of air exhauster 3, air exhauster 3 stop work this moment, wherein 3 models of air exhauster are TE-14080-K1, accomplish the use of this low-voltage transformer cabinet with heat dissipation function just like this, the utility model relates to an electrical property technique is prior art.

1. the utility model provides a low-voltage transformer cabinet with heat dissipation function, through setting up shunt tubes 5, the wind in the tuber pipe 4 enters the inside of transformer cabinet casing 1 through the shunt tubes 5 of each branch, removes dust and cools down to the inside of transformer cabinet casing 1, and filter screen 7 has the effect of filtering to the impurity in the gas that enters the inside of transformer cabinet casing 1, in order to do benefit to and keep the whole cleanliness of gas input nature;

2. the utility model provides a low-voltage transformer cabinet with heat dissipation function, through setting up the installing frame 9 and insulating paper 10, because insulating paper 10 has certain insulating function, have the effect of anticreep to the transformer 11 after installing and switching on, and under the effect of mutually supporting between fixed frame 17 and fixed strip 16, also can be with sliding to the terminal apron 15 and transformer cabinet shell 1 between firm connection, in order to help guaranteeing the normal operating of the spare part in the transformer cabinet shell 1;

3. the utility model provides a low-voltage substation cabinet with heat dissipation function, through setting up fixture 12, have certain elastic function because of elastic column 1202, accessible elastic column 1202 adjusts the interval between heat radiation fins 1203 and the centre gripping frame 1201, has the firm effect of centre gripping to the power converter 11 after the installation to the setting of cooperation heat radiation fins 1203, the heat energy of crossing in the power converter 11 working process has the effect of giving off, in order to do benefit to extension power converter 11's service life.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a low-voltage transformer cabinet with heat dissipation function, includes transformer cabinet casing (1) and baffle (8), its characterized in that: the transformer cabinet comprises a transformer cabinet shell (1), wherein installation cavities (2) are arranged on the left side and the right side of the interior of the transformer cabinet shell (1), an exhaust fan (3) is installed at the tail end of the interior of the installation cavity (2), an air outlet pipe (4) is connected to the flange of the output end of the exhaust fan (3), a shunt pipe (5) is communicated with the side wall of the air outlet pipe (4), an air inlet pipe (6) is connected to the flange of the input end of the exhaust fan (3), a filter screen (7) is installed inside the air inlet pipe (6), a partition plate (8) is welded inside the transformer cabinet shell (1), an installation frame (9) is connected to the top end of the partition plate (8) through screws, a transformer (11) is installed inside the installation frame (9), a clamping mechanism (12) is connected to the top end screws of the installation frame (9), a sliding groove (13) is formed in the surface of the, the top welding of slider (14) has apron (15), and the terminal welding of apron (15) has fixed strip (16), the terminal outer wall welding of transformer cabinet casing (1) has fixed frame (17).

2. The low-voltage transformer cabinet with the heat dissipation function as claimed in claim 1, wherein the shunt tubes (5) are arranged at equal intervals on the side wall of the air outlet pipe (4), the shunt tubes (5) are communicated with the inner wall of the installation cavity (2), and the tail ends of the shunt tubes (5) are arranged in a horn shape.

3. The low-voltage power transformation cabinet with the heat dissipation function according to claim 1, wherein two groups of filter screens (7) are arranged in parallel inside the air inlet pipe (6), and the aperture of each filter screen (7) is arranged in a gradually decreasing structure layer by layer.

4. The low-voltage transformer cabinet with the heat dissipation function as recited in claim 1, wherein the insulation paper (10) is welded to the inner wall of the mounting frame (9), and the inner wall of the insulation paper (10) is closely attached to the tail end of the transformer (11).

5. The low-voltage power transformation cabinet with the heat dissipation function according to claim 1, wherein the clamping mechanism (12) comprises a clamping frame (1201), elastic columns (1202) and heat dissipation fins (1203), the elastic columns (1202) are welded on the inner walls of the clamping frame (1201), the heat dissipation fins (1203) are welded on the inner walls of the elastic columns (1202), and meanwhile the inner walls of the heat dissipation fins (1203) are tightly attached to the outer wall of the middle part of the power transformer (11).

6. The low-voltage transformer cabinet with the heat dissipation function as claimed in claim 1, wherein the fixing frames (17) and the fixing strips (16) are arranged in a one-to-one correspondence manner, and the surfaces of the fixing frames (17) and the surfaces of the fixing strips (16) are both of an open-cell design.