A self-cooled box-type substation

Abstract

The application relates to a self-cooling box-type transformer substation, which comprises a cabinet body, the inner side of the cabinet body is divided into multiple cavities by at least two partitions, the top of two adjacent cavities is communicated with each other, an upper cover plate is installed at the top of the cabinet body, a heat dissipation cavity is formed between the upper cover plate and the cabinet body, an installation frame is fixed at the inner side of the heat dissipation cavity, an installation rack driven by a driving mechanism installed on the installation frame is movably installed at the inner side of the installation frame, an air guiding assembly is hinged on the installation rack, the air guiding assembly is further connected with the driving mechanism through a reciprocating swing mechanism, a heat exchange cavity is arranged at the inner side of the partition, and the heat exchange cavity is communicated with a circulating heat exchange assembly installed at the bottom of the cabinet body. In the moving process of the air guiding assembly, the air guiding assembly is further swung in the direction perpendicular to the moving direction through the action of the reciprocating swing assembly, the heat dissipation range is further improved, and the heat dissipation effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of substation, and particularly relates to a self-cooling box type substation. BACKGROUND

[0002] The substation refers to a place for transforming voltage and current, accepting electric energy and distributing electric energy in a power system. The substation in a power plant is a step-up substation, which functions to feed the electric energy generated by a generator into a high-voltage power grid after the electric energy is stepped up. The electrical equipment in the substation is divided into primary equipment and secondary equipment. The primary equipment refers to the equipment for directly producing, transmitting, distributing and using electric energy, and mainly includes a transformer, a high-voltage circuit breaker, a disconnector, a mutual inductor (a current transformer and a voltage transformer), a bus, a lightning arrester, a lightning rod, a capacitor and a reactor. The secondary equipment of the substation refers to the equipment for measuring, monitoring, controlling and protecting the operation condition of the primary equipment and system, and mainly includes a relay protection device, an automatic device, a measurement and control device, a metering device, an automation system and a direct current device for providing power supply for the secondary equipment. The combined substation is a commonly used substation at present.

[0003] The substation is generally arranged outdoors. When the temperature rises in summer, the temperature of the substation rises, which easily damages the internal components. The damage of the internal components may cause the leakage of electric energy and bring danger. SUMMARY

[0004] The present application aims to provide a self-cooling box type substation to solve the problems in the background.

[0005] To achieve the above object, the present application provides the following technical scheme.

[0006] A self-cooling box type substation comprises:

[0007] A cabinet body, an inner side of the cabinet body is divided into multiple cavities by at least two partitions, the top portions of two adjacent cavities are communicated with each other, and an upper cover plate is installed at the top portion of the cabinet body.

[0008] A heat dissipation cavity is formed between the upper cover plate and the cabinet body, an installation frame is fixed to the inner side of the heat dissipation cavity, an installation rack driven by a driving mechanism installed on the installation frame is movably installed on the inner side of the installation frame, an air guiding assembly is hinged to the installation rack, and the air guiding assembly is further connected to the driving mechanism through a reciprocating swing mechanism.

[0009] A heat exchange cavity is arranged on the inner side of the partition, and the heat exchange cavity is communicated with a circulating heat exchange assembly installed at the bottom portion of the cabinet body.

[0010] As a further scheme of the present application, the driving mechanism comprises a threaded rod rotatably mounted on the mounting frame, and a threaded sleeve fixed to the mounting frame and threadedly connected to the threaded rod, one end of the threaded rod being fixed to an output shaft of a motor mounted on the mounting frame.

[0011] The sliding assembly is mounted on the mounting frame and used to slide guide the mounting frame.

[0012] As a further scheme of the present application, the sliding assembly comprises a guide rod fixed to the mounting frame and axially parallel to the threaded rod, and a guide sleeve fixed to the mounting frame and sleeved on the guide rod.

[0013] As a further scheme of the present application, the air guiding assembly comprises a fan and a connecting frame fixed to the fan, the connecting frame penetrating the through slot of the mounting frame and being rotatably connected to the mounting frame.

[0014] The connecting frame is provided with a poking slot for the reciprocating swing mechanism to penetrate, and the two side walls of the poking slot are provided in an arc-shaped structure.

[0015] As a further scheme of the present application, the reciprocating swing mechanism comprises a driving sleeve sleeved on the threaded rod and slidably connected to the threaded rod, and the driving sleeve is rotatably connected to a connecting shaft rotatably mounted on an accommodating plate fixed to the mounting frame through a transmission belt.

[0016] The connecting shaft is fixed with two oppositely arranged incomplete bevel gears, and a bevel gear is arranged between the two incomplete bevel gears, and a driving rod penetrating the poking slot is fixed to a rotating shaft of the bevel gear.

[0017] As a further scheme of the present application, a plurality of air inlet grooves are arranged at the inclined portion of the upper cover plate, and a second baffle for dustproof and rainproof of the air inlet grooves is further fixed to the upper cover plate, and the second baffle is parallel to the inclined portion of the upper cover plate.

[0018] As a further scheme of the present application, a plurality of air outlet grooves are arranged on both sides of the cabinet body, and the air outlet grooves are shielded by a first baffle obliquely fixed to the cabinet body.

[0019] The partition plate is provided with a plurality of air communication grooves communicating with the cavities on two adjacent sides.

[0020] As a further scheme of the present application: the circulating heat exchange assembly comprises a heat exchange box fixed at the bottom of the cabinet body, heat exchange pipes are installed at the inner side of the heat exchange box, a circulating pump is installed at one side of the heat exchange box, the circulating pump is communicated with the heat exchange cavities in the two baffle plates through the second conduits, and the heat exchange box is communicated with the heat exchange cavities in the other two baffle plates through the first conduits.

[0021] The heat exchange cavities in the two baffle plates are communicated through a plurality of communication pipes.

[0022] Compared with the prior art, the present application has the beneficial effects that: the present application is novel in design, the air guiding assembly is driven to reciprocally move in the heat dissipation cavity between the cabinet body and the upper cover plate through the driving mechanism, so that the heat dissipation range is improved, and the air guiding assembly is further swung in the direction perpendicular to the moving direction through the action of the reciprocating swinging assembly during the movement of the air guiding assembly, so that the heat dissipation range is further improved, the heat dissipation effect is improved, the gas flow directionality is improved during the reciprocating swinging of the air guiding assembly, the turbulent flow effect of the heat dissipation gas in the cabinet body is improved, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is an isometric view of the self-cooling box type substation.

[0024] Fig. 2 It is a front view of the self-cooling box type substation.

[0025] Fig. 3 It is a half sectional view of the self-cooling box type substation.

[0026] Fig. 4 It is a schematic view of the connection state of the driving mechanism and the air guiding assembly in the self-cooling box type substation.

[0027] Fig. 5 It is Fig. 4 It is an enlarged view of the structure at A in the middle.

[0028] In the figure: 1-cabinet body, 2-upper cover plate, 3-heat exchange box, 4-first conduit, 5-circulating pump, 6-first baffle plate, 7-mounting frame, 8-air inlet groove, 9-air outlet groove, 10-heat exchange pipe, 11-baffle plate, 12-second conduit, 13-motor, 14-threaded rod, 15-guide rod, 16-threaded sleeve, 17-driving sleeve, 18-transmission belt, 19-limiting groove, 20-mounting frame, 21-connection frame, 22-guide sleeve, 23-accepting plate, 24-fan, 25-driving rod, 26-bevel gear, 27-incomplete bevel gear, 28-connection shaft, 29-second baffle plate. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0030] In addition, the elements in the present application are referred to as "fixed to" or "disposed on" another element, which can be directly on another element or can have a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or can have a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

[0031] Please refer to Figs. 1-5 In the embodiments of the present application, a self-cooling box type substation comprises a cabinet body 1, an upper cover plate 2 is installed on the top of the cabinet body 1, a plurality of air inlet grooves 8 are arranged at the inclined part of the upper cover plate 2, a second baffle 29 for dustproof and rainproof of the air inlet grooves 8 is fixed on the upper cover plate 2, the second baffle 29 is parallel to the inclined part of the upper cover plate 2, the air inlet grooves 8 are arranged to facilitate the outside air to enter the cabinet body 1, to realize the gas circulation in the cabinet body 1, and the second baffle 29 is arranged to shield the upper end of the air inlet groove 8, and the second baffle 29 is also arranged to be inclined, to prevent rainwater from entering the cabinet body 1 through the air inlet groove 8. Of course, in the specific implementation process, a dust screen can also be clamped on the inner side of the air inlet groove 8 to effectively filter the air entering the cabinet body 1, prevent a large amount of dust from entering the cabinet body 1, and affect the use of components in the cabinet body 1.

[0032] Preferably, the two adjacent second baffles 29 are stacked, and the structure is the same as the placement of the existing tiles, and an arc-shaped baffle is fixed on the side of the second baffle 29 close to the air inlet groove 8, and the arc-shaped baffle does not contact the previous second baffle 29, that is, an air inlet space is reserved.

[0033] The inner side of the cabinet 1 is divided into multiple cavities by at least two partitions 11, the top of adjacent two cavities communicates with each other, the inner side of the partition 11 is provided with a heat exchange cavity, the heat exchange cavity communicates with a circulating heat exchange assembly installed at the bottom of the cabinet 1, wherein the circulating heat exchange assembly comprises a heat exchange box 3 fixed at the bottom of the cabinet 1, the inner side of the heat exchange box 3 is provided with a heat exchange pipe 10, one side of the heat exchange box 3 is provided with a circulating pump 5, the circulating pump 5 communicates the heat exchange cavity in the heat exchange box 3 and one of the partitions 11 through a second conduit 12, the other side of the heat exchange box 3 communicates the heat exchange cavity in the other partition 11 through a first conduit 4; the heat exchange cavities in the two partitions 11 communicate through multiple communication pipes.

[0034] In the embodiment of the application, when the circulating pump 5 is working, the heat exchange cavities in the two partitions 11 and the heat exchange box 3 circulate, when the heat exchange medium flows through the heat exchange box 3, the heat exchange pipe 10 arranged in the heat exchange box 3 can be used for heat exchange treatment, so as to reduce the temperature of the heat exchange medium, thereby improving the heat exchange effect, and achieving heat dissipation in the cabinet 1.

[0035] The upper cover plate 2 and the cabinet 1 form a heat dissipation cavity, the inner side of the heat dissipation cavity is fixed with a mounting frame 7, the inner side of the mounting frame 7 movably mounts a mounting rack 20 driven by a driving mechanism mounted on the mounting frame 7, the mounting rack 20 is hingedly connected with an air guiding assembly, and the air guiding assembly is further connected with the driving mechanism through a reciprocating swing mechanism, the air guiding assembly is driven by the driving mechanism to move reciprocatingly in the heat dissipation cavity, and the air guiding assembly is driven by the reciprocating swing mechanism to swing reciprocatingly in the moving process, so as to improve the heat dissipation range, effectively increase the flow effect of the gas in the cabinet 1, and have high practicability.

[0036] Further,

[0037] The driving mechanism comprises a threaded rod 14 rotatably mounted on the mounting frame 7, a threaded sleeve 16 threadedly connected on the threaded rod 14 and fixed with the mounting rack 20, and an electric motor 13 mounted on the mounting frame 7 and fixed with the output shaft of the electric motor 13 at one end of the threaded rod 14; and a sliding assembly mounted on the mounting frame 7 and used for slidingly guiding the mounting rack 20.

[0038] The motor 13 is set to work to drive the threaded rod 14 to rotate, and when the threaded rod 14 rotates, the threaded sleeve 16 and the mounting frame 20 are driven to move under the action of the sliding assembly, thereby driving the reciprocating movement of the air guide assembly. Preferably, the motor 13 is a forward and reverse motor, and a 4IK / 80YYJT motor is adopted. The motor has stable performance, and other types of motors can also be adopted as long as the driving requirements are met. The application does not make specific limitations hereon.

[0039] Preferably, the sliding assembly comprises a guide rod 15 fixed on the mounting frame 7 and axially parallel to the threaded rod 14, and a guide sleeve 22 fixed on the mounting frame 20 is sleeved on the guide rod 15. The guide rod 15 and the guide sleeve 22 are slidably connected, thereby achieving the support of one end of the mounting frame 20 and ensuring the stability of the mounting frame 20 during movement.

[0040] Further, the air guide assembly comprises a fan 24 and a connecting frame 21 fixed on the fan 24, the connecting frame 21 penetrates through the through slot on the mounting frame 20 and is rotationally connected with the mounting frame 20, and the connecting frame 21 is provided with a driving slot for the reciprocating swing mechanism to penetrate through, and the two side walls of the driving slot are provided in an arc-shaped structure.

[0041] The fan 24 is provided to generate air guiding force when working, thereby realizing the gas flow in the cabinet 1. When the mounting frame 20 drives the fan 24 to move, the blowing position of the fan 24 can be changed to improve the heat dissipation effect in the cabinet 1. When the mounting frame 20 moves under the action of the driving mechanism, the reciprocating swing mechanism moves, thereby driving the fan 24 to swing along a direction perpendicular to the moving direction of the mounting frame 20 through the connecting frame 21, thereby further increasing the heat dissipation range and improving the heat dissipation efficiency.

[0042] As another embodiment of the application, the reciprocating swing mechanism comprises a driving sleeve 17 sleeved on the threaded rod 14 and slidably connected with the threaded rod 14, the driving sleeve 17 is rotationally connected with a connecting shaft 28 rotationally installed on an abutment plate 23 fixed on the mounting frame 20 through a transmission belt 18, two oppositely arranged incomplete bevel gears 27 are fixed on the connecting shaft 28, a bevel gear 26 is arranged between the two incomplete bevel gears 27, and a driving rod 25 penetrating through the driving slot is fixed on the rotating shaft of the bevel gear 26.

[0043] Since the driving sleeve 17 is in sliding fit with the threaded rod 14, when the threaded rod 14 rotates, the driving sleeve 17 is driven to rotate, when the driving sleeve 17 rotates, the connecting shaft 28 is driven to rotate through the transmission belt 18, when the connecting shaft 28 rotates, the reciprocating rotation of the bevel gear 26 is realized through the action of the two incomplete bevel gears 27, when the bevel gear 26 rotates reciprocatingly, the driving rod 25 is driven to rotate reciprocatingly, the driving rod 25 is inserted into the poking groove to drive the swinging of the connecting frame 21.

[0044] It should be noted that, in combination with the above-mentioned arc-shaped structure of the two side walls of the poking groove, that is, the arc-shaped structure of the two inner walls of the poking groove, the main purpose is to prevent the inner wall of the poking groove from interfering with the rotation of the driving rod 25 when the driving rod 25 is in the inclined state relative to the connecting frame 21.

[0045] It should be further noted that the threaded rod 14 is provided with a limiting groove 19, and a limiting block is fixed on the inner wall of the driving sleeve 17, the limiting block is in sliding fit in the limiting groove 19, so as to drive the driving sleeve 17 to rotate when the threaded rod 14 rotates, and the axial movement of the driving sleeve 17 relative to the threaded rod 14 is not affected.

[0046] As another embodiment of the present application, a plurality of air outlet grooves 9 are arranged on both sides of the cabinet body 1, the air outlet grooves 9 are shielded by the first baffle 6 which is obliquely fixed on the cabinet body 1, and a plurality of air communication grooves are arranged on the partition plate 11 and communicate with the adjacent two side cavities.

[0047] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0048] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A self-cooled box-type substation, characterized by, Include: The cabinet (1), the inner side of the cabinet (1) is divided into multiple cavities by at least two partitions (11), the top of two adjacent cavities communicates with each other, the top of the cabinet (1) is provided with an upper cover plate (2); The upper cover plate (2) and the cabinet (1) form a heat dissipation cavity, the inner side of the heat dissipation cavity is fixedly provided with a mounting frame (7), the inner side of the mounting frame (7) is movably provided with a mounting rack (20) driven by a driving mechanism mounted on the mounting frame (7), the mounting rack (20) is hingedly provided with an air guide assembly, and the air guide assembly is further connected with the driving mechanism through a reciprocating swing mechanism; The inner side of the partition (11) is provided with a heat exchange cavity, and the heat exchange cavity is communicated with a circulating heat exchange assembly mounted at the bottom of the cabinet (1); The driving mechanism comprises a threaded rod (14) rotatably mounted on the mounting frame (7) and a threaded sleeve (16) threadedly connected on the threaded rod (14) and fixed with the mounting rack (20), one end of the threaded rod (14) is fixed with the output shaft of the motor (13) mounted on the mounting frame (7); It also includes a sliding assembly mounted on the mounting frame (7) and used for sliding guide of the mounting rack (20); The air guide assembly comprises a fan (24) and a connecting frame (21) fixed with the fan (24), the connecting frame (21) penetrates the through slot on the mounting rack (20) and is rotatably connected with the mounting rack (20); The connecting frame (21) is provided with a poking groove for the reciprocating swing mechanism to penetrate, and the two side walls of the poking groove are arranged in arc shape; The reciprocating swing mechanism comprises a driving sleeve (17) sleeved on the threaded rod (14) and slidably matched with the threaded rod (14), the driving sleeve (17) is rotatably connected with a connecting shaft (28) rotatably mounted on an accommodating plate (23) fixed with the mounting rack (20) through a transmission belt (18); The connecting shaft (28) is fixed with two oppositely arranged incomplete bevel gears (27), and a bevel gear (26) is arranged between the two incomplete bevel gears (27), and the rotating shaft of the bevel gear (26) is fixed with a driving rod (25) penetrating the poking groove.

2. A self-cooled box-type substation according to claim 1, characterized in that The sliding assembly comprises a guide rod (15) fixed on the mounting frame (7) and axially parallel with the threaded rod (14), and a guide sleeve (22) fixed with the mounting rack (20) is sleeved on the guide rod (15).

3. A self-cooled box-type substation according to claim 1, characterized in that A plurality of air inlet grooves (8) are arranged at the inclined part of the upper cover plate (2), and a second baffle (29) for dustproof and rainproof of the air inlet grooves (8) is further fixed on the upper cover plate (2), and the second baffle (29) is parallel to the inclined part of the upper cover plate (2).

4. A self-cooled box-type substation according to claim 1, characterized in that, A plurality of air outlet grooves (9) are arranged on both sides of the cabinet (1), and the air outlet grooves (9) are shielded by a first baffle (6) obliquely fixed on the cabinet (1); A plurality of air communication grooves are arranged on the partition (11) and communicate with the cavities on both sides.

5. A self-cooled box-type substation according to claim 1, characterized in that, Said circulating heat exchange assembly comprises a heat exchange box (3) fixed at the bottom of said cabinet body (1), the inner side of said heat exchange box (3) is provided with heat exchange pipes (10), one side of said heat exchange box (3) is provided with a circulating pump (5), said circulating pump (5) is communicated with the heat exchange cavities in one of said partitions (11) and said heat exchange box (3) through a second conduit (12), the other side of said heat exchange box (3) is communicated with the heat exchange cavities in the other of said partitions (11) through a first conduit (4); The heat exchange cavities in two of said partitions (11) are communicated through a plurality of communicating pipes.

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