CN215451319U

CN215451319U - Novel universal circuit breaker

Info

Publication number: CN215451319U
Application number: CN202121900874.4U
Authority: CN
Inventors: 景山墩
Original assignee: Chengxi Electric Co ltd
Current assignee: Chengxi Electric Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-07
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a novel universal circuit breaker, which comprises a power distribution cabinet, wherein a power distribution chamber is arranged on the front surface of the power distribution cabinet, a base plate is arranged at the bottom of the power distribution chamber, a universal circuit breaker main body is fixedly connected to the top of the base plate, an electric blind is fixedly arranged at the top of the base, metal arc extinguishing blades are arranged on the electric blind, a water tank is fixedly arranged at the top of the power distribution cabinet, and a heat conduction vertical pipe communicated with the water tank is arranged on the inner wall of the power distribution chamber. The utility model improves the heat dissipation of the universal circuit breaker main body by arranging the water path structure, thereby prolonging the service life of the universal circuit breaker outdoors, when the circuit of the universal circuit breaker main body is opened and the electric arc is generated, the generated electric arc is contacted with the metal arc extinguishing blade of the electric shutter curtain, the long electric arc is divided into a plurality of small sections, the temperature of the electric arc is reduced, the extinguishing of the electric arc is accelerated, and the problem that the electric arc is easy to cause harm to the personal safety of operators is solved.

Description

Novel universal circuit breaker

Technical Field

The utility model relates to a circuit breaker, in particular to a novel universal circuit breaker.

Background

The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and also can connect, bear a certain time and break the current under the specified abnormal circuit condition. The existing circuit breaker has the following problems: the circuit breaker need be placed at the internal at the cabinet when outdoor for circuit breaker thermal diffusivity is not good, and easy life descends, and universal circuit breaker can produce electric arc in the air when breaking circuit, and insulating material can be burnt out to the high temperature that electric arc produced, and causes the flashover short circuit easily and injures people, causes harm to operating personnel's personal safety, consequently needs a novel universal circuit breaker to improve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a novel universal circuit breaker, which improves the outdoor heat dissipation and maintenance safety of the universal circuit breaker.

The utility model adopts the technical scheme for solving the technical problems that: a novel universal circuit breaker comprises a power distribution cabinet, wherein a power distribution chamber is arranged on the front side of the power distribution cabinet, a base plate is arranged at the bottom of the power distribution chamber, a universal circuit breaker main body is fixedly connected to the top of the base plate, an electric blind is fixedly arranged at the top of the base and positioned on the front side of the universal circuit breaker, metal arc extinguishing blades are arranged on the electric blind, an exhaust port is arranged at the top of the power distribution cabinet and positioned right above the universal circuit breaker, a rain shelter is arranged above the exhaust port, a fan is fixedly connected in the exhaust port, a smoke filter screen is arranged in the exhaust port and positioned above the fan, an air inlet is arranged at the bottom of the side wall of the power distribution cabinet, a dust removal filter screen is arranged on the air inlet, a water tank is fixedly arranged at the top of the power distribution cabinet, cooling liquid is arranged in the water tank, a plurality of heat conduction vertical pipes are fixedly arranged on the inner wall of the power distribution chamber, the upper end of heat conduction standpipe with the water tank is linked together, install the fin on the lateral wall of water tank, the fin is located the top of gas vent, be provided with the cabinet door on the switch board, the positive fixedly connected with control panel of cabinet door, fan and electronic tripe curtain all with control panel electric connection.

In order to further improve, the bottom of electricity distribution room is equipped with the recess, and the recess is located the below of bed plate, and a plurality of heat conduction violently pipes are installed to the interval in the recess, and the both ends of heat conduction violently pipe are connected with the heat conduction standpipe lower extreme on left and right sides respectively, the surface of bed plate is equipped with a plurality of heat dissipation through-hole on the position that corresponds the recess.

Further perfect, the water tank top is connected with the back flow with heat conduction horizontal pipe, installs the water pump on the back flow, water pump and control panel electric connection.

Further perfect, be equipped with lead screw guide rail mechanism between bed plate and the electricity distribution room, lead screw guide rail mechanism is connected with driving motor, driving motor and control panel electric connection, the front end of bed plate is equipped with automatic undercarriage, and the supporting wheel is equipped with to automatic undercarriage lower extreme.

Further perfect, the dust removal filter screen includes square frame, outer baffle, first intermediate layer, intermediate baffle, second intermediate layer and inlayer filter screen are equipped with in proper order by outer to in on the square frame, the surface of outer baffle and intermediate baffle transversely is provided with first bar hole and second bar hole respectively, and first bar hole and second bar hole stagger each other and set up, are equipped with first filter screen and second filter screen on first bar hole and the second bar hole respectively, outer baffle top is equipped with rainwater drainage groove, rainwater drainage groove inner drainage swash plate, is equipped with the gap between drainage swash plate inner and the intermediate baffle surface, outer baffle bottom is equipped with the escape orifice, is equipped with the slope between escape orifice and the inlayer filter screen, the mesh hole diameter of first filter screen, second filter screen and inlayer filter screen reduces in proper order.

The utility model has the beneficial effects that: the utility model improves the heat dissipation of the universal circuit breaker main body by arranging the water tank and the heat conduction vertical pipe, thereby prolonging the service life of the universal circuit breaker outdoors, when the circuit is opened and broken by the universal circuit breaker main body, the generated electric arc is contacted with the metal arc extinguishing blade of the electric shutter curtain, the long electric arc is divided into a plurality of small sections, the temperature of the electric arc is reduced, the electric arc is extinguished at an accelerated speed, meanwhile, the electric arc can be well cooled by the fan at the top of the power distribution cabinet, the residual free gas can be quickly taken away by the high-speed flowing air flow, thereby achieving a good arc extinguishing effect, and solving the problems that when the circuit is opened and broken by the conventional universal circuit breaker, the electric arc is easily generated in the air, the high temperature generated by the electric arc can burn out the insulating material, the flashover short circuit and hurt people are easily caused, and the personal safety of operators is damaged.

Drawings

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

FIG. 2 is a schematic structural view of a dust removing filter screen;

description of reference numerals: 1. switch board, 2, electricity distribution room, 3, the bed plate, 4, universal circuit breaker main part, 5, electronic venetian blind, 6, metal arc extinguishing blade, 7, the gas vent, 8, the rainshelter, 9, the fan, 10, smog filter screen, 11, the air inlet, 12, dust removal filter screen, 13, the water tank, 14, heat conduction standpipe, 15, the fin, 16, the recess, 17, heat conduction violently pipe, 18, the heat dissipation through-hole, 19, the back flow, 20, the water pump, 21, lead screw guide rail mechanism, 22, automatic undercarriage, 23, the supporting wheel, 24, square frame, 25, outer baffle, 26, first intermediate layer, 27, middle baffle, 28, second intermediate layer, 29, the inlayer filter screen, 30, first bar hole, 31, second bar hole, 32, rainwater drainage groove, 33, drainage swash plate, 34, the gap, 35, drainage mouth, 36, the slope.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

referring to figure 1: the novel universal circuit breaker comprises a power distribution cabinet 1, wherein a power distribution chamber 2 is arranged on the front surface of the power distribution cabinet 1, a base plate 3 is arranged at the bottom of the power distribution chamber 2, a universal circuit breaker main body 4 is fixedly connected to the top of the base plate 3, an electric blind 5 is fixedly arranged on the top of a base and positioned on the front surface of the universal circuit breaker, metal arc extinguishing blades 6 are arranged on the electric blind 5, the metal arc extinguishing blades 6 can be contacted with an electric arc to reduce the temperature of the electric arc, and a long electric arc is divided into a plurality of small electric arcs, so that the electric arc is accelerated to be extinguished, an exhaust port 7 is arranged on the top of the power distribution cabinet 1 and positioned right above the universal circuit breaker, a rain shelter 8 is arranged above the exhaust port 7, rainwater can be prevented from entering the power distribution chamber 2 through the exhaust port 7, a fan 9 is fixedly connected in the exhaust port 7, and the fan can exhaust outwards, the arc can be well cooled, residual free gas can be quickly taken away by airflow flowing at a high speed, so that a good arc extinguishing effect is achieved, a smoke filter screen 10 is arranged in the exhaust port 7 and above the fan 9, the smoke filter screen 10 can filter smoke gas generated by the arc, pollution of much air is reduced, an air inlet 11 is arranged at the bottom of the side wall of the power distribution cabinet 1 and can ventilate, a dust removal filter screen 12 is mounted on the air inlet 11 and can prevent dust from entering the power distribution room 2, a water tank 13 is fixedly mounted on the top of the power distribution cabinet 1, cooling liquid is arranged in the water tank 13, a plurality of heat conduction vertical pipes 14 are fixedly arranged on the inner wall of the power distribution room 2, the upper ends of the heat conduction vertical pipes 14 are communicated with the water tank 13, the heat conduction vertical pipes 14 can suck heat emitted around the universal circuit breaker main body 4, and the principle that cold water floats upwards and sinks is utilized, make the coolant liquid produce microcirculation and keep the air temperature in the electricity distribution room 2, move to the water tank 13 on the coolant liquid that the temperature is high in the heat conduction standpipe 14, install fin 15 on the lateral wall of water tank 13, fin 15 is located the top of gas vent 7, the air current that gas vent 7 blew off can be rapid take away heat in the water tank 13 plays quick radiating effect, be provided with the cabinet door on the switch board 1, the positive fixedly connected with control panel of cabinet door, fan 9 and electronic blind 5 all with control panel electric connection, control panel embeds there is temperature sensor, can detect the temperature in the electricity distribution room 2, then intelligent regulation fan 9's rotational speed, and the staff can control electronic blind 5 through control panel and pack up, conveniently overhauls the operation. The cooling fin 15 can be further provided with a mechanism capable of automatically folding and unfolding, liquid in the water tank 13 can be rapidly cooled when the cooling fin 15 is unfolded, and the water tank 13 can keep warm when the cooling fin 15 is folded, so that secondary recycling of heat energy is facilitated.

The bottom of electricity distribution room 2 is equipped with recess 16, and recess 16 is located the below of bed plate 3, and a plurality of heat conduction violently manage 17 is installed at the interval in recess 16, and the both ends that the heat conduction violently managed 17 are connected with the heat conduction standpipe 14 lower extreme on left and right sides respectively, the surface of bed plate 3 is equipped with a plurality of heat dissipation through-hole 18 on the position that corresponds recess 16, can strengthen the thermal diffusivity of universal circuit breaker main part 4 bottom, and the heat conduction violently manages 17 and further shifts the heat, and cooperation heat conduction standpipe 14 forms the water-cooling heat radiation structure to the all-round formula of universal circuit breaker main part 4's all-round formula of enclosing.

The top of the water tank 13 is connected with the heat conduction transverse pipe 17 through a return pipe 19, a water pump 20 is mounted on the return pipe 19, and the water pump 20 is electrically connected with the control panel. The water pump 20 can accelerate the water circulation speed, can also convey water in the water tank 13 downwards, heats the whole power distribution cabinet 1, avoids the low temperature to cause the water in the pipe to freeze, and also avoids the low temperature working condition to influence the service life of the universal circuit breaker main body 4.

Be equipped with lead screw guide rail mechanism 21 between bed plate and the electricity distribution room 2, lead screw guide rail mechanism 21 is connected with driving motor, driving motor and control panel electric connection, the front end of bed plate 3 is equipped with automatic undercarriage 22, and supporting wheel 23 is equipped with to automatic undercarriage 22 lower extreme. Can drive lead screw guide rail mechanism 21 work during driving motor corotation, release the electricity distribution room 2 with bed plate and universal circuit breaker main part 4, conveniently overhaul and change, automatic undercarriage 22 can be automatic puts down supporting wheel 23 when the bed plate is released, support the front end, avoid damaging at bed plate and lead screw guide rail mechanism 21, the drive pushes into electricity distribution room 2 with bed plate and universal circuit breaker main part 4 during driving motor reversal, automatic undercarriage 22 can be automatic packs up supporting wheel 23 simultaneously.

As shown in the attached drawing 2, the dust removing filter net 12 comprises a square frame 24, an outer baffle 25, a first interlayer 26, a middle baffle 27, a second interlayer 28 and an inner filter net 29 are sequentially arranged on the square frame 24 from outside to inside, a first strip-shaped hole 30 and a second strip-shaped hole 31 are respectively and transversely arranged on the surfaces of the outer baffle 25 and the middle baffle 27, the first strip-shaped hole 30 and the second strip-shaped hole 31 are staggered with each other to form a dust falling structure, the first filter net and the second filter net are respectively arranged on the first strip-shaped hole 30 and the second strip-shaped hole 31 to gradually filter air, a rainwater drainage groove 32 is arranged at the top of the outer baffle 25, an inner drainage inclined plate 33 is arranged at the inner end of the rainwater drainage groove 32, a gap 34 is arranged between the inner end of the drainage inclined plate 33 and the surface of the middle baffle 27, the rainwater drainage groove 32, the inclined plate 33 and the gap 34 can guide rainwater to the surface of the middle baffle 27, wash the filter screen in the middle of, outer baffle 25 bottom is equipped with drain 35, is equipped with slope 36 between drain 35 and the inlayer filter screen 29, can derive rainwater and the dust that washes down, the mesh diameter of first filter screen, second filter screen and inlayer filter screen 29 reduces in proper order, forms three-layer dust removal structure, and it is good to filter dust removal effect, can keep the dustless environment in the electricity distribution room 2, makes the dust granule of lower part outwards discharge moreover.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a novel universal circuit breaker, includes switch board (1), its characterized in that: the power distribution cabinet is characterized in that a power distribution room (2) is arranged on the front side of the power distribution cabinet (1), a base plate (3) is arranged at the bottom of the power distribution room (2), an universal circuit breaker main body (4) is fixedly connected to the top of the base plate (3), an electric blind (5) is fixedly arranged on the top of the base and positioned on the front side of the universal circuit breaker, metal arc extinguishing blades (6) are arranged on the electric blind (5), an exhaust port (7) is formed in the top of the power distribution cabinet (1) and positioned right above the universal circuit breaker, a rain shelter (8) is arranged above the exhaust port (7), a fan (9) is fixedly connected in the exhaust port (7), a smoke filter screen (10) is arranged in the exhaust port (7) and positioned above the fan (9), an air inlet (11) is formed in the bottom of the side wall of the power distribution cabinet (1), and a dust removal filter screen (12) is arranged on the air inlet (11), top fixed mounting of switch board (1) has water tank (13), is equipped with the coolant liquid in water tank (13), the fixed a plurality of heat conduction standpipe (14) that are provided with on the inner wall of switch board (2), the upper end of heat conduction standpipe (14) with water tank (13) are linked together, install fin (15) on the lateral wall of water tank (13), fin (15) are located the top of gas vent (7), be provided with the cabinet door on switch board (1), the positive fixedly connected with control panel of cabinet door, fan (9) and electronic tripe curtain (5) all with control panel electric connection.

2. The new universal circuit breaker as claimed in claim 1, characterized in that: the bottom of electricity distribution room (2) is equipped with recess (16), and recess (16) are located the below of bed plate (3), and a plurality of heat conduction violently pipes (17) are installed at the interval in recess (16), and the both ends that the heat conduction violently managed (17) are connected with heat conduction standpipe (14) lower extreme on left and right sides respectively, the surface of bed plate (3) is equipped with a plurality of heat dissipation through-hole (18) on the position that corresponds recess (16).

3. The new universal circuit breaker according to claim 2, characterized in that: the top of the water tank (13) is connected with a return pipe (19) with the heat conduction transverse pipe (17), a water pump (20) is mounted on the return pipe (19), and the water pump (20) is electrically connected with the control panel.

4. A new universal circuit breaker according to claim 3, characterized in that: be equipped with lead screw guide rail mechanism (21) between bed plate and electricity distribution room (2), lead screw guide rail mechanism (21) are connected with driving motor, driving motor and control panel electric connection, the front end of bed plate (3) is equipped with automatic undercarriage (22), and supporting wheel (23) are equipped with to automatic undercarriage (22) lower extreme.

5. A new type universal circuit breaker according to any one of claims 1-4, characterized in that: the dust removal filter screen (12) comprises a square frame (24), the square frame (24) is sequentially provided with an outer baffle (25), a first interlayer (26), a middle baffle (27), a second interlayer (28) and an inner filter screen (29) from outside to inside, the surfaces of the outer baffle (25) and the middle baffle (27) are respectively and transversely provided with a first strip-shaped hole (30) and a second strip-shaped hole (31), the first strip-shaped hole (30) and the second strip-shaped hole (31) are staggered with each other, the first strip-shaped hole (30) and the second strip-shaped hole (31) are respectively provided with a first filter screen and a second filter screen, the top of the outer baffle (25) is provided with a rainwater drainage groove (32), the inner end of the rainwater drainage groove (32) is provided with a drainage inclined plate (33), a gap (34) is arranged between the inner end of the inclined plate drainage groove (33) and the surface of the middle baffle (27), the bottom of the outer baffle (25) is provided with a drainage port (35), be equipped with slope face (36) between escape orifice (35) and inlayer filter screen (29), the mesh diameter of first filter screen, second filter screen and inlayer filter screen (29) reduces in proper order.