CN213243303U

CN213243303U - Circuit breaker cabinet

Info

Publication number: CN213243303U
Application number: CN202021420417.0U
Authority: CN
Inventors: 林峰
Original assignee: Ningxia Shengshi Huaxin Electrical Switch Co ltd
Current assignee: Ningxia Shengshi Huaxin Electrical Switch Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-05-18
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a circuit breaker cabinet, the structure of which comprises a cable chamber, a bus chamber, a cabinet body, a refrigerating device, a cabinet door and a heat dissipation port, wherein the cable chamber is welded at the lower end of the cabinet body, the bus chamber is arranged in the cabinet body, the cabinet body is welded below the refrigerating device, the refrigerating device is connected with a cabinet body bolt, the cabinet door is hinged with the cabinet body, the heat dissipation port is embedded and fixed at the front part of the cable chamber, the refrigerating device comprises an electric appliance chamber, a fastening bolt, a refrigerating pipe, a centrifugal fan, a fan outer plate, a filtering grid, an alternator and a second ventilation port, the circuit breaker cabinet utilizes the refrigerating pipe of the refrigerating device to change the air sucked by the centrifugal fan into ice-cold, cool air is blown into the bus chamber through the second ventilation opening, so that the electrical components are kept at a proper temperature, and the aging and damage of electrical circuits and electrical components in the cabinet caused by the high indoor temperature in summer are avoided.

Description

Circuit breaker cabinet

Technical Field

The utility model relates to a circuit breaker field, specific is a circuit breaker cabinet.

Background

A breaker cabinet is used for connecting two sections of buses, and bus communication is often used in a single-bus subsection and double-bus system to meet the requirements of users for selecting different operation modes or selectively cutting off loads and damage places under the condition of ensuring faults.

A circuit breaker cabinet of prior art calorific capacity is big, relies on the unable complete heat that distributes away of thermovent alone, and under the higher condition of indoor temperature in summer, leads to electrical apparatus circuit and electrical components in the cabinet ageing, damage easily.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a circuit breaker cabinet.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a circuit breaker cabinet structurally comprises a cable chamber, a bus chamber, a cabinet body, a refrigerating device, a cabinet door and a heat dissipation opening, wherein the cable chamber is welded at the lower end of the cabinet body, the bus chamber is arranged in the cabinet body, the cabinet body is welded below the refrigerating device, the refrigerating device is connected with the cabinet body through bolts, the cabinet door is hinged with the cabinet body, the heat dissipation opening is embedded at the front part of the cable chamber, the refrigerating device comprises an electric appliance chamber, a fastening bolt, a refrigerating pipe, a centrifugal fan, a fan outer plate, a filtering grid, an alternator and a second ventilation opening, the electric appliance chamber is in clearance fit with the alternator, the fastening bolt is in threaded connection with the fan outer plate, the refrigerating pipe is connected with the rear part of the centrifugal fan through the fastening bolt, the fan is welded at two sides of the centrifugal fan, the filtering grid is embedded below the centrifugal fan, the AC device is embedded in the electric appliance chamber, and the second ventilation opening is riveted at the lower end of the electric appliance chamber.

Furthermore, centrifugal fan includes air intake, wheel cap, reel, blade, casing, air outlet, the air intake riveting is in the casing upper end, the wheel cap is total two, two the wheel cap inlays the lower extreme on the reel respectively, the reel inlays fixedly in the inside centre of casing through the wheel cap, blade and reel activity block, casing and blade clearance fit, the air outlet riveting is at the casing lower extreme.

Furthermore, the filtering grid comprises a fixed block, a dustproof sheet, a first vent and a grid groove, the fixed block is welded at the upper end of the grid groove, the dustproof sheet is riveted inside the first vent, the first vent is fixedly connected inside the grid groove in an embedded mode, and the grid groove is in clearance fit with the dustproof sheet and the first vent.

Furthermore, the grid grooves are fixedly connected with the shell through fixing blocks. The dustproof sheet is matched with the air outlet.

Advantageous effects

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to a circuit breaker cabinet utilizes refrigerating plant's refrigeration pipe to become ice-cold with centrifugal fan inspiratory wind, blows in the generating line room to the cool wind through the second ventilation opening, makes electrical components keep at a suitable temperature, avoids under the higher condition of summer indoor temperature, leads to electrical lines and electrical components in the cabinet ageing, damage.

Drawings

Fig. 1 is the utility model relates to a structural schematic of circuit breaker cabinet.

Fig. 2 is a schematic structural diagram of the refrigerating apparatus of the present invention.

Fig. 3 is a schematic view of a part of the structure of the refrigerating apparatus of the present invention.

In the figure: the refrigerator comprises a cable chamber-1, a bus chamber-2, a cabinet body-3, a refrigerating device-4, a cabinet door-5, a heat dissipation port-6, an electric appliance chamber-a 1, a fastening bolt-a 2, a refrigerating pipe-a 3, a centrifugal fan-a 4, a fan outer plate-a 5, a filtering grid-a 6, an alternator-a 7, a second ventilation port-a 8, an air inlet-b 1, a wheel cover-b 2, a shaft disc-b 3, a blade-b 4, a shell-b 5, an air outlet-b 6, a fixing block-c 1, a dustproof sheet-c 2, a first ventilation port-c 3 and a grid groove-c 4.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments, not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1-3, the utility model provides a circuit breaker cabinet, its structure includes cable chamber 1, bus-bar chamber 2, cabinet body 3, refrigerating plant 4, cabinet door 5, thermovent 6, cable chamber 1 welds the lower extreme at cabinet body 3, bus-bar chamber 2 is arranged in cabinet body 3 inside, cabinet body 3 welds under refrigerating plant 4, refrigerating plant 4 and cabinet body 3 bolted connection, cabinet door 5 is articulated with cabinet body 3 and is connected, thermovent 6 inlays solid in cable chamber 1 front portion, refrigerating plant 4 includes electrical apparatus room a1, fastening bolt a2, refrigerant pipe a3, centrifugal fan a4, fan outer plate a5, filtration grid a6, ac a7, second through a8, electrical apparatus room a1 and ac 7 clearance fit, fastening bolt a2 and fan outer plate a5 threaded connection, refrigerant pipe a3 flange connection is at centrifugal fan a4 rear portion, the centrifugal fan a is connected with an electric appliance chamber a through a fastening bolt a, the fan outer plate a is welded on two sides of the centrifugal fan a, the filter grids a are fixedly embedded below the centrifugal fan a, the alternator a is fixedly embedded inside the electric appliance chamber a, the second ventilation opening a is riveted at the lower end of the electric appliance chamber a, the centrifugal fan a comprises an air inlet b, wheel covers b, a shaft disc b, blades b, a shell b and an air outlet b, the air inlet b is riveted at the upper end of the shell b, the wheel covers b are two in number, the two wheel covers b are fixedly embedded at the upper end and the lower end of the shaft disc b respectively, the shaft disc b is fixedly embedded in the middle of the inside of the shell b through the wheel covers b, the blades b are movably clamped with the shaft disc b, the shell b is in clearance fit with the blades b, the air outlet b is riveted at the lower end of the shell b, and the filter grids a comprise a fixing block c, a dustproof sheet c, grid groove c4, fixed block c1 welds in grid groove c4 upper end, dustproof piece c2 riveting is inside first vent c3, first vent c3 inlays the fixed connection in grid groove c4, grid groove c4 and dustproof piece c2 and first vent c3 clearance fit, grid groove c4 is through fixed block c1 and casing b5 embedded fixed connection. The dustproof sheet c2 is matched with the air outlet b 6.

The working principle of the present invention is explained as follows:

the utility model relates to a breaker cabinet cuts off and switches on load circuit through the equipment in the bus-bar room 2, closes cabinet door 5 and makes the cabinet body 3 keep airtight state, and thermovent 6 distributes the heat that cable chamber 1 and bus-bar room 2 produced, and cable chamber 1 supplies power for refrigerating plant 4 through commutator a7, the utility model relates to a breaker cabinet utilizes fan planking a5 to fix refrigerating plant 4 through fastening bolt a2, and the air enters air intake b1, lets reel b3 drive blade b4 rotatory, inhales air casing b5, utilizes cooling pipe a3 to become ice-cold with the inspiratory wind of centrifugal fan a4, blows filtration net a6 to from air outlet b6, and fixed block c1 inlays filtration net a6 in centrifugal fan a4 below, blocks the wind through dustproof sheet c2 in grid c4 to the dust, makes electric appliance room a1 keep, and clean wind gets into first electric appliance 3, and then blows in the bus-bar room 8 from second cool wind inlet, the electric appliance elements are kept at a proper temperature, and the phenomenon that the electric appliance lines and the electric appliance elements in the cabinet are aged and damaged under the condition that the indoor temperature is higher in summer is avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circuit breaker cabinet, its structure includes cable chamber (1), bus-bar room (2), the cabinet body (3), refrigerating plant (4), cabinet door (5), thermovent (6), its characterized in that: the cable chamber (1) is welded at the lower end of the cabinet body (3), the bus chamber (2) is arranged in the cabinet body (3), the cabinet body (3) is welded below the refrigerating device (4), the refrigerating device (4) is in bolt connection with the cabinet body (3), the cabinet door (5) is hinged with the cabinet body (3), and the heat dissipation port (6) is embedded and fixed at the front part of the cable chamber (1);

the refrigerating device (4) comprises an electric appliance chamber (a1), a fastening bolt (a2), a refrigerating pipe (a3), a centrifugal fan (a4), a fan outer plate (a5), a filtering grid (a6), an alternator (a7) and a second ventilation opening (a8), wherein the electric appliance chamber (a1) is in clearance fit with the alternator (a7), the fastening bolt (a2) is in threaded connection with the fan outer plate (a5), the refrigerating pipe (a3) is connected to the rear portion of the centrifugal fan (a4) in a flange mode, the centrifugal fan (a4) is connected with the electric appliance chamber (a1) through the fastening bolt (a2), the fan outer plate (a5) is welded on two sides of the centrifugal fan (a4), the filtering grid (a6) is embedded below the centrifugal fan (a4), the alternator (a7) is embedded in the electric appliance chamber (a1), and the second ventilation opening (a8) is riveted at the lower end of the electric appliance chamber (a 1).

2. A circuit breaker cabinet according to claim 1 wherein: the centrifugal fan (a4) comprises an air inlet (b1), wheel covers (b2), a shaft disc (b3), blades (b4), a shell (b5) and an air outlet (b6), wherein the air inlet (b1) is riveted at the upper end of the shell (b5), the number of the wheel covers (b2) is two, the two wheel covers (b2) are respectively embedded at the upper end and the lower end of the shaft disc (b3), the shaft disc (b3) is embedded in the middle of the inside of the shell (b5) through the wheel covers (b2), the blades (b4) are movably clamped with the shaft disc (b3), the shell (b5) is in clearance fit with the blades (b4), and the air outlet (b6) is riveted at the lower end of the shell (b 5).

3. A circuit breaker cabinet according to claim 1 wherein: the filtering grid (a6) comprises a fixing block (c1), a dustproof sheet (c2), a first ventilation opening (c3) and a grid groove (c4), the fixing block (c1) is welded at the upper end of the grid groove (c4), the dustproof sheet (c2) is riveted inside the first ventilation opening (c3), the first ventilation opening (c3) is fixedly connected inside the grid groove (c4) in an embedded mode, and the grid groove (c4) is in clearance fit with the dustproof sheet (c2) and the first ventilation opening (c 3).

4. A circuit breaker cabinet according to claim 3 wherein: the grid groove (c4) is fixedly connected with the shell (b5) through a fixing block (c1), and the dustproof sheet (c2) is matched with the air outlet (b 6).