CN210467690U

CN210467690U - Outdoor vacuum load switch

Info

Publication number: CN210467690U
Application number: CN201921817670.7U
Authority: CN
Inventors: 钱李楚; 金贻林
Original assignee: Kuo Yuan Electric Co Ltd
Current assignee: Kuo Yuan Electric Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-05
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to a technical field of load switch, disclose an outdoor vacuum load switch, its technical scheme main points include the casing and install the electrical components in the casing, be equipped with the mounting hole on one of them lateral wall of casing, be equipped with the louvre on the other lateral wall, install radiator fan in the mounting hole, radiator fan includes fixed frame, the driving motor who installs on fixed frame and the flabellum that is fixedly connected with the output shaft of driving motor, fixed frame links to each other through four groups of installed parts with the casing; and two inner walls opposite to the shell are respectively fixed with a dustproof frame, and the two dustproof frames are respectively communicated with the heat dissipation holes and the mounting holes and are internally provided with dustproof filter screens. The utility model discloses an install radiator fan on the casing, the radiating effect is good.

Description

Outdoor vacuum load switch

Technical Field

The utility model relates to a load switch's technical field, more specifically says that it relates to an outdoor vacuum load switch.

Background

The load switch is a switching device between a circuit breaker and a disconnecting switch, and has a simple arc-extinguishing device, and can cut off rated load current and a certain overload current, but can not cut off short-circuit current.

Traditional outdoor vacuum load switch generally includes the casing, and electrical components sets up in the inside cavity of casing, and the casing mainly plays inclosed effect, prevents that electric arc from hurting the human body, also can prevent electrical components deposition to a certain extent.

Electrical components inside the housing may generate heat during operation, which may interfere with the proper operation of the electrical components if not exhausted in time. But the casing of traditional outdoor vacuum load switch only dispels the heat through setting up the louvre, and the speed of air flow in the casing is slow, and the radiating effect is poor, awaits improvement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an outdoor vacuum load switch installs radiator fan on the casing, and the radiating effect is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: an outdoor vacuum load switch comprises a shell and an electrical element arranged in the shell, wherein one side wall of the shell is provided with a mounting hole, the other side wall of the shell is provided with a heat dissipation hole, a heat dissipation fan is arranged in the mounting hole, the heat dissipation fan comprises a fixed frame, a driving motor arranged on the fixed frame and fan blades fixedly connected with an output shaft of the driving motor, and the fixed frame is connected with the shell through four groups of mounting pieces; and two inner walls opposite to the shell are respectively fixed with a dustproof frame, and the two dustproof frames are respectively communicated with the heat dissipation holes and the mounting holes and are internally provided with dustproof filter screens.

Through adopting above-mentioned technical scheme, the air of inside and outside both sides of casing passes through mounting hole and louvre and realizes the convection current to make inside and outside both sides of casing produce heat exchange so that the heat dissipation. The driving motor can drive the fan blades to rotate, so that the flowing speed of air in the shell is accelerated, and the heat dissipation effect is good. The dustproof filter screen can filter dust in the air flowing inwards from the outside of the shell, so that the dust is prevented from accumulating on the electrical element to influence the heat dissipation of the electrical element, and the ventilation and heat dissipation effects are further improved.

The utility model discloses further set up to: the mounting structure is characterized in that a positioning groove is formed in the inner wall of the mounting hole, the mounting piece comprises a mounting block with one end hinged in the positioning groove and a mounting bolt penetrating through the mounting block, and a mounting screw hole in threaded connection with the mounting bolt is formed in the fixing frame.

Through adopting above-mentioned technical scheme, during the installation radiator fan, stretch into the mounting hole with fixed frame and make driving motor stretch into inside the casing, then rotate the installation piece so that construction bolt aligns with the installation screw, twist again and move construction bolt and make it and installation screw threaded connection to the installation of realizing fixed frame is fixed, easy operation and fixed frame steadiness are good.

The utility model discloses further set up to: one side of the mounting screw hole is provided with a limiting block fixed on the fixing frame; when the mounting block is abutted to the limiting block, the mounting bolt is aligned to the mounting screw hole.

Through adopting above-mentioned technical scheme, the stopper is favorable to people to install the piece and rotate to the position that makes mounting bolt and installation screw align fast, and the installation effectiveness is high.

The utility model discloses further set up to: the end face of the mounting block close to the limiting block is fixedly provided with a first clamping block, and the end face of the limiting block close to the mounting screw hole is provided with a first clamping groove in interference fit with the first clamping block.

Through adopting above-mentioned technical scheme, first fixture block and first draw-in groove interference fit play the effect of preliminary location installation piece for people install the piece and can not swing at will when twisting the construction bolt, convenient operation.

The utility model discloses further set up to: the end face, far away from the limiting block, of the mounting block is fixedly provided with a second clamping block, and a second clamping groove in interference fit with the second clamping block is formed in the inner wall of the positioning groove.

Through adopting above-mentioned technical scheme, before the fixed frame of installation, people's accessible rotates the installation piece so that second fixture block embedding second draw-in groove to make the installation piece keep in the constant head tank, avoid the installation piece to influence fixed frame and stretch into the mounting hole.

The utility model discloses further set up to: the upper side wall of the dustproof frame is provided with a through hole, the lower side wall of the dustproof frame is provided with a fixing groove located right below the through hole, and the lower end of the dustproof filter screen is located in the fixing groove.

By adopting the technical scheme, the dustproof filter screen and the dustproof frame can be detached, so that people can conveniently take out the dustproof filter screen for cleaning; after the cleaning is finished, people only need to penetrate the bottom of the dustproof filter screen through the through hole and then stretch into the fixing groove, and the dust-proof filter screen is convenient to disassemble and assemble.

The utility model discloses further set up to: fastening bolts are arranged at the upper end of the dustproof filter screen in a penetrating mode, a fastening block located on one side of the through hole is integrally arranged on the dustproof frame, and a fastening screw hole in threaded connection with the fastening bolts is formed in the end face, close to the through hole, of the fastening block.

Through adopting above-mentioned technical scheme, dustproof filter screen cartridge targets in place the back, with fastening bolt and fastening screw threaded connection in order to further fixed dustproof filter screen, dustproof filter screen vertical removal when avoiding the casing to receive vibrations has improved dustproof filter screen's stability.

The utility model discloses further set up to: the inclination angle of the net twine of dustproof filter screen is different in two dustproof frames.

Through adopting above-mentioned technical scheme, the clearance that supplies the air to pass through when two dustproof filter screen coincide uses is little to but the dust granule that the filterable particle diameter is littleer, dustproof effectual.

To sum up, the utility model discloses following beneficial effect has:

1. when the fan blades rotate under the action of the driving motor, the convection speed of air at the two sides inside and outside the shell can be increased, and the heat dissipation effect is good; the fixing frame is connected with the shell through the mounting bolt, so that the mounting and dismounting are convenient and the stability is good;

2. dustproof filter screen plays the effect of filtering the dust when the air convection for the difficult deposition in electrical components surface influences the heat dissipation, and dustproof filter screen is fixed simple to operate through fastening bolt after pegging graft with dustproof frame.

Drawings

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

FIG. 2 is a schematic partial exploded view of the heat dissipating fan of the present embodiment when separated from the housing;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural view of the dust-proof filter screen and the dust-proof frame in the present embodiment when they are separated.

Reference numerals: 1. a housing; 11. mounting holes; 12. heat dissipation holes; 13. positioning a groove; 131. a second card slot; 2. an electrical component; 3. a heat radiation fan; 31. a fixing frame; 311. mounting a screw hole; 312. a limiting block; 313. a first card slot; 32. a drive motor; 33. a fan blade; 331. a rotating shaft; 4. a mounting member; 41. mounting blocks; 411. a first clamping block; 412. a second fixture block; 42. installing a bolt; 5. a dust-proof frame; 51. a through hole; 52. fixing grooves; 53. a fastening block; 531. fastening screw holes; 6. a dustproof filter screen; 61. and fastening the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses an outdoor vacuum load switch, as shown in fig. 1 and fig. 2, which includes a housing 1 and an electrical component 2 installed in the housing 1, wherein two opposite sidewalls of the housing 1 are respectively provided with a mounting hole 11 and a heat dissipation hole 12, and the mounting hole 11 and the heat dissipation hole 12 are flush in height. The air inside and outside the housing 1 can form convection through the mounting holes 11 and the heat dissipation holes 12, thereby taking away part of the heat generated by the electrical component 2 during operation.

As shown in fig. 1 and 2, the heat dissipation fan 3 is disposed in the mounting hole 11, the heat dissipation fan 3 includes a fixing frame 31, a driving motor 32 and a fan blade 33, the fan blade 33 includes a rotating shaft 331 fixed at one end thereof, the driving motor 32 is mounted in the middle of the fixing frame 31, and an output shaft of the driving motor is fixedly connected to the rotating shaft 331 of the fan blade 33. When the output shaft of the driving motor 32 rotates, the rotating shaft 331 and the fan blades 33 can be driven to rotate, so that the flow speed of air in the block housing 1 is increased, and the heat dissipation effect is good.

As shown in fig. 2 and 3, the fixing frame 31 is connected to the housing 1 through four sets of mounting members 4, each mounting member 4 includes a mounting block 41 and a mounting bolt 42 penetrating through the mounting block 41, the four inner walls of the mounting hole 11 are respectively provided with one positioning slot 13, and the mounting blocks 41 of the four mounting members 4 are respectively hinged in the four positioning slots 13. The fixing frame 31 is provided with four mounting screw holes 311 that are screw-fitted to the mounting bolts 42, and the four mounting screw holes 311 correspond to the positions of the four mounting blocks 41, respectively.

As shown in fig. 2 and 3, four limit blocks 312 are fixed on one side of the fixing frame 31 away from the driving motor 32, the four limit blocks 312 are respectively close to the four mounting screw holes 311, when the mounting block 41 abuts against the limit blocks 312 close to the mounting block 41, the mounting bolt 42 is aligned with the mounting screw holes 311, people do not need to repeatedly adjust the position of the mounting block 41, and the mounting efficiency is high.

As shown in fig. 2 and 3, a first locking block 411 is fixed on an end surface of the mounting block 41 close to the limiting block 312, a first locking groove 313 is fixed on an end surface of the limiting block 312 close to the mounting screw hole 311, and the first locking block 411 and the first locking groove 313 are in interference fit. When the mounting block 41 abuts against the limiting block 312, the first fixture block 411 extends into the first clamping groove 313 and plays a role in preliminarily positioning the mounting block 41, so that people can conveniently screw the mounting bolt 42.

As shown in fig. 2 and 3, the end face of the mounting block 41 away from the limiting block 312 is fixed with a second clamping block 412, the inner wall of the positioning groove 13 is provided with a second clamping groove 131 in interference fit with the second clamping block 412, when the mounting block 41 rotates into the positioning groove 13 and abuts against the inner wall of the positioning groove 13 provided with the second clamping groove 131, the second clamping block 412 can extend into the second clamping groove 131 and play a role in fixing the mounting block 41, and the mounting block 41 is prevented from rotating randomly to influence the insertion of the fixing frame 31 into the mounting hole 11.

As shown in fig. 1 and 4, two opposite inner walls of the housing 1 are respectively fixed with a dust-proof frame 5, and the two dust-proof frames 5 are respectively communicated with the heat dissipation holes 12 and the mounting holes 11 and are flush with each other in height. The upper side wall of the dustproof frame 5 is provided with a through hole 51, the lower side inner wall is provided with a fixing groove 52, the fixing groove 52 is positioned right below the through hole 51, the dustproof filter screen 6 is inserted between the through hole 51 and the fixing groove 52, and the upper end of the dustproof filter screen 6 is penetrated with a fastening bolt 61. The outer wall of the upper side of the dustproof frame 5 is integrally provided with a fastening block 53, the fastening block 53 is positioned on one side of the through hole 51 far away from the dustproof filter screen 6, the end face of the fastening block 53 close to the through hole 51 is provided with a fastening screw hole 531, and the fastening bolt 61 is in threaded connection with the fastening screw hole 531. The dustproof filter screen 6 plays a role in filtering dust when air flows, so that dust is not easy to accumulate on the surface of the electrical element 2, and heat dissipation of the electrical element 2 is not influenced.

As shown in fig. 1 and 4, the dustproof filter screens 6 comprise criss-cross mesh wires, the inclination angles of the mesh wires of the two dustproof filter screens 6 are different, and gaps for air to pass through when the dustproof filter screens are overlapped for use are reduced, so that dust with smaller particle size can be filtered, and the dustproof effect is good.

The working principle of the embodiment is as follows: the air at the inner side and the outer side of the casing 1 can form convection through the mounting holes 11 and the heat dissipation holes 12, and the fan blades 33 increase the flowing speed of the air when rotating under the action of the driving motor 32, so that the heat dissipation effect is good. The dustproof filter screen 6 can filter part of dust in the air flowing process, so that the influence of dust on the surface of the electrical element 2 on the heat dissipation of the electrical element is avoided.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. An outdoor vacuum load switch, includes casing (1) and installs electrical components (2) in casing (1), its characterized in that: one side wall of the shell (1) is provided with a mounting hole (11), the other side wall of the shell is provided with a heat dissipation hole (12), a heat dissipation fan (3) is mounted in the mounting hole (11), the heat dissipation fan (3) comprises a fixed frame (31), a driving motor (32) mounted on the fixed frame (31) and fan blades (33) fixedly connected with an output shaft of the driving motor (32), and the fixed frame (31) is connected with the shell (1) through four groups of mounting pieces (4); be fixed with dustproof frame (5) on two relative inner walls of casing (1) respectively, two dustproof frames (5) communicate with louvre (12) and mounting hole (11) respectively and inside is equipped with dustproof filter screen (6).

2. An outdoor vacuum load switch according to claim 1, characterized in that: be equipped with constant head tank (13) on the inner wall of mounting hole (11), installed part (4) include that one end articulates installation piece (41) in constant head tank (13) and wears to establish mounting bolt (42) on installation piece (41), be equipped with on fixed frame (31) with mounting bolt (42) threaded connection's installation screw (311).

3. An outdoor vacuum load switch according to claim 2, characterized in that: one side of the mounting screw hole (311) is provided with a limit block (312) fixed on the fixed frame (31); when the mounting block (41) abuts against the limiting block (312), the mounting bolt (42) is aligned with the mounting screw hole (311).

4. An outdoor vacuum load switch according to claim 3, characterized in that: a first clamping block (411) is fixed on the end face, close to the limiting block (312), of the mounting block (41), and a first clamping groove (313) in interference fit with the first clamping block (411) is formed in the end face, close to the mounting screw hole (311), of the limiting block (312).

5. An outdoor vacuum load switch according to claim 3, characterized in that: a second clamping block (412) is fixed on the end face, far away from the limiting block (312), of the mounting block (41), and a second clamping groove (131) in interference fit with the second clamping block (412) is formed in the inner wall of the positioning groove (13).

6. An outdoor vacuum load switch according to claim 1, characterized in that: the upper side wall of dustproof frame (5) is equipped with through hole (51), and the lower side wall is equipped with fixed slot (52) that are located under through hole (51), the lower extreme of dustproof filter screen (6) is located fixed slot (52).

7. An outdoor vacuum load switch according to claim 6, characterized in that: fastening bolts (61) penetrate through the upper end of the dustproof filter screen (6), a fastening block (53) located on one side of the through hole (51) is integrally arranged on the dustproof frame (5), and fastening screw holes (531) which are connected with the fastening bolts (61) in a threaded mode are formed in the end face, close to the through hole (51), of the fastening block (53).

8. An outdoor vacuum load switch according to claim 1, characterized in that: the inclination angles of the net wires of the dustproof filter nets (6) in the two dustproof frames (5) are different.