Outdoor high-voltage primary and secondary fusion circuit breaker

Abstract

The utility model discloses an outdoor high-voltage primary and secondary fusion circuit breaker, which comprises a fusion circuit breaker shell, exhaust holes are arranged on the left side surface and the right side surface of the fusion circuit breaker shell, and the outdoor high-voltage primary and secondary fusion circuit breaker further comprises a diversion heat dissipation mechanism. The flow guide heat dissipation mechanism comprises partition plates, round holes, a first flow guide pipe and a second flow guide pipe, the partition plates are arranged in the fusion circuit breaker shell, the round holes are formed in the surfaces of the two partition plates, the first flow guide pipe and the second flow guide pipe are arranged between the two partition plates, and the first flow guide pipe corresponds to the second flow guide pipe in a one-to-one mode. External air and air in the fusion circuit breaker are guided to flow along a specified track and perform heat exchange, external dust and water vapor are prevented from entering the fusion circuit breaker in the heat dissipation process, normal work of the high-voltage primary and secondary fusion circuit breaker is guaranteed, and the high-voltage primary and secondary fusion circuit breaker is more suitable for occasions with complex outdoor environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to a primary and secondary fusion circuit breaker technical field, concretely is a kind of outdoor high voltage primary and secondary fusion circuit breaker. BACKGROUND

[0002] ‌High voltage primary and secondary fusion circuit breaker‌It is a kind of electrical equipment that the primary part and secondary part of electric power equipment are deeply integrated, and this design realizes function fusion, data sharing and collaborative work, improves the overall performance and reliability of equipment, and primary and secondary fusion circuit breaker can realize the protection of circuit one and two simultaneously, and can be flexibly set according to needs, and its main working principle is that when discovering that circuit fault occurs, primary protection uses protection relay to detect fault signal, and disconnects isolating switch, grounding knife switch and other equipment through electric operating mechanism, and for secondary protection, it is protected by multiple ways such as standby automatic protection, power loss protection, air switch body thermal protection, air switch body overload protection and short circuit protection;In prior art, to avoid excessive heat in high voltage primary and secondary fusion circuit breaker during use, heat dissipation hole is often opened on the surface of high voltage primary and secondary fusion circuit breaker, and heat is dissipated, but natural heat dissipation speed is slow, part of high voltage primary and secondary fusion circuit breaker can be provided with flow guide component, and external air is forced to exchange with circuit breaker internal air, to speed up heat dissipation, but high voltage primary and secondary fusion circuit breaker is mostly used in outdoor environment, and there is more dust and moisture in external air, dust and moisture are easy to affect normal work after entering high voltage primary and secondary fusion circuit breaker. UTILITARIAN CONTENT

[0003] The utility model solves the technical problem to overcome the existing defects, provide a kind of outdoor high voltage primary and secondary fusion circuit breaker, avoid that external dust, moisture enters the fusion circuit breaker inside in the process of heat dissipation, guarantee the normal work of high voltage primary and secondary fusion circuit breaker, make high voltage primary and secondary fusion circuit breaker more applicable to the occasion of complex outdoor environment, can effectively solve the problems in background art.

[0004] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of outdoor high voltage primary and secondary fusion circuit breaker, including fusion circuit breaker shell, the left and right side of the fusion circuit breaker shell is equipped with exhaust hole, still including flow guide heat dissipation mechanism;

[0005] The flow guide heat dissipation mechanism comprises a baffle, a circular hole, a flow guide pipe one and a flow guide pipe two, the baffles are arranged in the inside of the fusion circuit breaker shell respectively, the surfaces of the two baffles are provided with the circular holes, the flow guide pipe one and the flow guide pipe two are arranged between the two baffles respectively, the flow guide pipe one and the flow guide pipe two correspond to each other, the upper and lower ends of the flow guide pipe two are provided with air holes, the flow guide pipe one is arranged in the inside of the adjacent flow guide pipe two, the two circular holes corresponding in the vertical position are communicated with the flow guide pipe one, the external air and the internal air of the fusion circuit breaker are guided to flow along the specified track and exchange heat, the external dust and water vapor are prevented from entering the inside of the fusion circuit breaker in the heat dissipation process, the normal work of the high-voltage primary and secondary fusion circuit breaker is ensured, and the high-voltage primary and secondary fusion circuit breaker is more suitable for the complex outdoor environment.

[0006] Further, the upper end of the fusion circuit breaker shell is provided with a mutual inductor, the upper surface of the lower baffle is provided with a circuit breaker protection appliance and a single-chip microcomputer, and the input end of the single-chip microcomputer is electrically connected to an external power supply to provide primary and secondary protection for an outdoor high-voltage circuit.

[0007] Further, the flow guide heat dissipation mechanism further comprises a rotating ring, a blade one and a blade two, the rotating ring is rotatably connected into the rotating groove in the middle of the flow guide pipe one through a sealing bearing, the inner arc surface of the rotating ring is provided with the blade one, and the outer arc surface of the rotating ring is provided with the blade two, so that the air is guided to flow.

[0008] Further, the flow guide heat dissipation mechanism further comprises a rotating column and a motor, the rotating column is arranged in the middle of the blade one, and the motor is arranged on the top wall of the fusion circuit breaker shell, the output shaft of the motor is fixedly connected with the adjacent rotating column, the input end of the motor is electrically connected to the output end of the single-chip microcomputer, and power is provided for the air flow.

[0009] Further, the filter screen is arranged in the inside of the lower circular hole to reduce the dust entering the inside of the flow guide pipe one.

[0010] Further, the lower end of the rotating column is provided with a scraper, and the scraper is attached to the lower surface of the adjacent filter screen to reduce the accumulation of dust on the surface of the filter screen.

[0011] Further, the flow guide pipe one and the flow guide pipe two are ceramic heat pipes, and the heat conduction is accelerated.

[0012] Compared with the prior art, the outdoor high-voltage primary and secondary fusion circuit breaker has the following advantages:

[0013] The external air and the internal air of the fusion circuit breaker are guided to flow along the specified track and exchange heat, the external dust and water vapor are prevented from entering the inside of the fusion circuit breaker in the heat dissipation process, the normal work of the high-voltage primary and secondary fusion circuit breaker is ensured, and the high-voltage primary and secondary fusion circuit breaker is more suitable for the complex outdoor environment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the whole device part of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the whole device part of the utility model;

[0016] Figure 3 It is the structure schematic diagram of the utility model A place amplification;

[0017] Figure 4 It is the structure schematic diagram of the utility model rotating ring.

[0018] In the figure: 1 fusion circuit breaker housing, 2 mutual inductor, 3 circuit breaker protection electric appliance, 4 single-chip microcomputer, 5 flow guide heat dissipation mechanism, 51 partition, 52 round hole, 53 flow guide pipe one, 54 flow guide pipe two, 55 rotating ring, 56 blade one, 57 blade two, 58 rotating column, 59 motor, 6 filter screen, 7 scraper, 8 air hole, 9 air vent. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 The embodiment provides a kind of technical scheme: a kind of outdoor high voltage primary and secondary fusion circuit breaker, including fusion circuit breaker housing 1, provide space for the setting of electric appliance parts, the left and right sides of fusion circuit breaker housing 1 are equipped with air vent 9, it is convenient to dissipate the heat in the inside of fusion circuit breaker housing 1, still include flow guide heat dissipation mechanism 5;

[0021] The diversion and heat dissipation mechanism 5 comprises a baffle 51, a circular hole 52, a diversion pipe one 53 and a diversion pipe two 54, the baffle 51 is arranged in the inside of the fusion circuit breaker shell 1 respectively, the surface of the two baffles 51 is provided with the circular hole 52 respectively, the diversion pipe one 53 and the diversion pipe two 54 are arranged between the two baffles 51 respectively, the diversion pipe one 53 and the diversion pipe two 54 correspond to each other, the upper and lower ends of the diversion pipe two 54 are provided with the air hole 8 respectively, the diversion pipe one 53 is located in the inside of the adjacent diversion pipe two 54 respectively, the vertical position corresponding two circular holes 52 are communicated with a diversion pipe one 53, in the heat dissipation process, the outside air flows in the diversion pipe one 53, the air in the inside of the fusion circuit breaker shell 1 flows between the outer arc surface of the diversion pipe one 53 and the inner arc surface of the diversion pipe two 54 through the air hole 8, the heat exchange between the two kinds of air is carried out under the heat conduction of the diversion pipe one 53, the heat is carried out from the exhaust hole 9 by the outside air, the inside of the fusion circuit breaker shell 1 is cooled, the mutual inductor 2 is arranged at the upper end of the fusion circuit breaker shell 1 respectively, the mutual inductor 2 comprises a current transformer and a voltage transformer, the large current of the high-voltage circuit is converted into a small current to detect, the circuit protection electric appliance 3 and the single-chip microcomputer 4 are arranged on the upper surface of the lower baffle 51 respectively, the input end of the single-chip microcomputer 4 is electrically connected to the external power supply, the starting and stopping of the whole device are controlled, the circuit protection electric appliance 3 comprises a primary protection component, a secondary protection component and a fuse, the primary protection component mainly comprises a cable socket, a disconnecting switch, a grounding knife switch, a mutual inductor, a measurement and protection relay and the like, provides the primary protection for the outdoor high-voltage circuit, the secondary protection component comprises an automatic protection, a power loss protection, an air switch body heat protection, an air switch body overload protection and a short-circuit protection and the like, provides the secondary protection for the outdoor high-voltage circuit, the diversion and heat dissipation mechanism 5 further comprises a rotating ring 55, a blade one 56 and a blade two 57, the rotating ring 55 is rotatably connected in the rotating groove in the middle of the diversion pipe one 53 through the sealing bearing respectively, the inner arc surface of the rotating ring 55 is provided with the blade one 56, the outer arc surface of the rotating ring 55 is provided with the blade two 57, the diversion and heat dissipation mechanism 5 further comprises a rotating column 58 and a motor 59, the rotating column 58 is arranged in the middle of the blade one 56 respectively, the motor 59 is arranged on the top wall of the fusion circuit breaker shell 1 respectively, the output shaft of the motor 59 is fixedly connected with the adjacent rotating column 58 respectively, the input end of the motor 59 is electrically connected to the output end of the single-chip microcomputer 4, the motor 59 is started, the output shaft of the motor 59 drives the rotating column 58 to rotate, under the connection of the rotating ring 55, the blade one 56 and the blade two 57 are driven to rotate, the outside air enters the inside of the diversion pipe one 53 through the rotation of the blade one 56, the air in the inside of the fusion circuit breaker shell 1 enters between the outer arc surface of the diversion pipe one 53 and the inner arc surface of the diversion pipe two 54 through the air hole 8 under the rotation of the blade two 57, further comprising a filter screen 6, the filter screen 6 is arranged in the inside of the lower circular hole 52 respectively, the dust in the air is filtered through the filter screen 6, the dust entering the inside of the diversion pipe one 53 is reduced, the lower end of the rotating column 58 is provided with a scraper 7 respectively, the scraper 7 is attached to the lower surface of the adjacent filter screen 6 respectively, in the process of the rotating column 58 rotating,The dust filtered by the filter screen 6 is scraped off by the scraper 7, and the guide pipe one 53 and the guide pipe two 54 are both ceramic heat pipes to accelerate the heat propagation speed.

[0022] The working principle of the outdoor high-voltage primary and secondary fusion circuit breaker provided by the utility model is as follows: the first-level protection component of the circuit breaker protection appliance 3 provides first-level protection for the outdoor high-voltage circuit, the second-level protection component of the circuit breaker protection appliance 3 provides second-level protection for the outdoor high-voltage circuit, when short circuit and overload occur, the fuse of the circuit breaker protection appliance 3 is rapidly disconnected to cut off the outdoor high-voltage circuit, in the use process, the motor 59 is started through the single-chip microcomputer 4, the output shaft of the motor 59 drives the rotating column 58 to rotate, under the connection of the rotating ring 55, the blade one 56 and the blade two 57 are driven to rotate, the rotation of the blade one 56 guides the external air to enter the inside of the guide pipe one 53 from the lower circular hole 52, the rotation of the blade two 57 guides the air in the inside of the fusion circuit breaker shell 1 to enter the space between the outer arc surface of the guide pipe one 53 and the inner arc surface of the guide pipe two 54 through the air hole 8, under the heat conduction of the guide pipe one 53, the heat exchange between the two kinds of air is realized, the external air carries the heat to be discharged from the exhaust hole 9, and the inside of the fusion circuit breaker shell 1 is radiated.

[0023] It is worth noting that the single-chip microcomputer 4 disclosed in the above embodiment can be selected from the PIC16F1823-I / P type single-chip microcomputer, and the motor 59 can be freely configured according to the actual application scene, and it is recommended to select the motor of the RF300 type, and the single-chip microcomputer 4 controls the motor 59 to work by using the method commonly used in the prior art.

[0024] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. An outdoor high-voltage primary and secondary fused circuit breaker comprising a fused circuit breaker housing (1), both left and right sides of the fused circuit breaker housing (1) are provided with exhaust holes (9), characterized in that: It also includes a flow guide heat dissipation mechanism (5); The flow guide heat dissipation mechanism (5) includes a partition plate (51), a circular hole (52), a flow guide pipe one (53) and a flow guide pipe two (54), the partition plate (51) is arranged in the inside of the fusion circuit breaker shell (1) respectively, the surface of the two partition plates (51) is provided with a circular hole (52), the flow guide pipe one (53) and the flow guide pipe two (54) are arranged between the two partition plates (51) respectively, the flow guide pipe one (53) and the flow guide pipe two (54) are one-to-one corresponding, the upper and lower ends of the flow guide pipe two (54) are provided with air holes (8), the flow guide pipe one (53) is located in the inside of the adjacent flow guide pipe two (54) respectively, the vertical position corresponding two circular holes (52) are communicated with a flow guide pipe one (53) respectively.

2. The outdoor high-voltage one-and-two primary fusion circuit breaker according to claim 1, characterized in that: The upper end of the fusion circuit breaker shell (1) is provided with a mutual inductor (2) respectively, the upper surface of the lower partition plate (51) is provided with a circuit breaker protection appliance (3) and a single-chip microcomputer (4) respectively, the input end of the single-chip microcomputer (4) is electrically connected to an external power supply.

3. The outdoor high-voltage one-and-two primary fusion circuit breaker according to claim 2, characterized in that: The flow guide heat dissipation mechanism (5) further includes a rotating ring (55), a vane one (56) and a vane two (57), the rotating ring (55) is rotatably connected in the rotating groove of the middle part of the flow guide pipe one (53) through a sealing bearing respectively, the inner arc surface of the rotating ring (55) is provided with a vane one (56), the outer arc surface of the rotating ring (55) is provided with a vane two (57).

4. The outdoor high voltage one-and-two primary fusion circuit breaker according to claim 3, characterized in that: The flow guide heat dissipation mechanism (5) further includes a rotating column (58) and a motor (59), the rotating column (58) is arranged in the middle part of the vane one (56) respectively, the motor (59) is arranged on the top wall of the fusion circuit breaker shell (1) respectively, the output shaft of the motor (59) is fixedly connected with the adjacent rotating column (58) respectively, the input end of the motor (59) is electrically connected to the output end of the single-chip microcomputer (4).

5. The outdoor high voltage one-and-two primary fusion circuit breaker according to claim 4, characterized in that: It also includes a filter screen (6), the filter screen (6) is arranged in the inside of the lower circular hole (52) respectively.

6. The outdoor high voltage one-and-two primary fusion circuit breaker according to claim 5, characterized in that: The lower end of the rotating column (58) is provided with a scraper (7), the scraper (7) is attached to the lower surface of the adjacent filter screen (6) respectively.

7. The outdoor high voltage one and two phase fused circuit breaker according to claim 1, wherein: The flow guide pipe one (53) and the flow guide pipe two (54) are ceramic heat pipes.

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