Heat dissipation type PCS energy storage bidirectional converter of photovoltaic power station

Abstract

The utility model relates to the technical field of energy storage bidirectional converters, and discloses a photovoltaic power station heat dissipation type PCS energy storage bidirectional converter comprising a main body, a sealing assembly and a sealing circulation heat dissipation assembly, the main body comprises a cabinet body, two sides of the bottom of an inner cavity of the cabinet body are fixedly connected with heat conduction mounting racks, and the heat conduction mounting racks are fixedly connected with the sealing assembly. A converter body is fixedly connected between the two heat conduction mounting frames, the left side of the front surface of the cabinet body is movably connected with a cabinet door through a hinge, the sealing assembly comprises a control box, and the left side of the control box is fixedly connected with the cabinet body. The cabinet body can be sealed through the sealing assembly, external humid air is prevented from entering the cabinet body, the screw rod is controlled to rotate through the knob, the screw rod and the threaded hole are matched to control the movable plate and the hanging plate to move, and the hanging plate moves to extrude the cabinet door, so that the cabinet door is tightly attached to the sealing ring; the external environment is prevented from influencing the inside of the cabinet body, and the moist air is prevented from influencing the service life of the converter body.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage bidirectional converter technical field, concretely to a photovoltaic power station heat dissipation type PCS energy storage bidirectional converter. BACKGROUND

[0002] The photovoltaic energy storage bidirectional converter is a kind of key energy storage equipment, can convert the direct current electric energy generated by renewable energy power generation into alternating current electric energy to store, also can convert the alternating current electric energy stored back into direct current electric energy to power when needed, it connects battery pack and power grid, realizes the bidirectional conversion of electric energy.

[0003] One Chinese patent application with publication number CN217159535U discloses a PCS energy storage bidirectional converter for photovoltaic power station, including base, the top of base is fixedly connected with shell, is equipped with converter body in shell, converter body is fixedly connected with heat conduction block, a plurality of heat conduction fins are fixedly connected on heat conduction block, the utility model can make the coolant in cooling water tank circulate flow in cooling water tank, water pump and heat conduction block by cooling water tank, water pump and heat conduction block, so that heat conduction block and the heat exchange inside converter body, realize the water cooling of converter body, driving motor is rotated by driving shaft and drives rotating fan blade, rotating fan blade rotation can blow out the heat of shell inner wall, and then can be air-cooled to converter body, realizes the water cooling and air-cooled heat dissipation of bidirectional converter, and then improves the heat dissipation effect of bidirectional converter, thereby prolongs the service life of bidirectional converter.

[0004] Although the patent carries out heat dissipation operation by water cooling and air cooling simultaneously, improves the heat dissipation effect of bidirectional converter, but it has the problem of poor sealing effect, external humid air can enter the inside of shell through air inlet, so that its inside is in humid state, especially the energy storage bidirectional converter installed outdoors, is easily affected by external environment, so that the electronic components in converter are corroded and damaged, reduces the service life of converter, is not conducive to use. UTILITY MODEL CONTENTS

[0005] (1) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides a photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, has the advantages of good sealing performance, prevents external environment from affecting its inside, solves the problem that the sealing effect of PCS energy storage bidirectional converter is poor, and external humid air easily enters its inside and causes the electronic components to be corroded and damaged.

[0007] (2) technical scheme

[0008] In order to realize the above-mentioned sealing performance, prevent the purpose of the influence of the external environment on its inside, the utility model provides the following technical scheme: a photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, including main part, sealing assembly and sealed circulating heat dissipation assembly, the main part includes the cabinet body, both sides of the bottom of the cabinet body cavity are all fixedly connected with the heat conduction mounting bracket, the heat conduction mounting bracket is fixedly connected with the converter body between two, the left side of the front surface of the cabinet body is hingedly connected with the cabinet door, the sealing assembly includes the control box, the left side of the control box is fixedly connected with the cabinet body, the inner chamber of the control box is provided with the movable plate, the rear side of the movable plate is hingedly connected with the screw rod, the rear side of the screw rod is penetrated to the outside of the control box, the front side of the movable plate is fixedly connected with the hanging plate, the front side of the hanging plate is penetrated to the outside of the control box, the front side of the cabinet body is fixedly connected with the sealing ring, the sealed circulating heat dissipation assembly includes the cooling shell, the right side of the cooling shell is fixedly connected with the cabinet body, the rear side of the cooling shell is communicated with the exhaust fan, the inner chamber of the cooling shell is provided with the heat conduction sheet and the heat dissipation copper pipe, the right side of the heat conduction sheet is penetrated through the cabinet body and is fixedly connected with the heat conduction mounting bracket, one end of the heat dissipation copper pipe is communicated with the cabinet body through the drying box, the other end of the heat dissipation copper pipe is communicated with the cabinet body through the air extractor.

[0009] Preferably, the rear side of the screw rod is fixedly connected with a knob, and the rear side of the control box is provided with a threaded hole matched with the screw rod, so that the knob can conveniently rotate the screw rod, and the threaded hole can conveniently control the movable plate to move.

[0010] Preferably, the front side of the control box is provided with a movable opening matched with the hanging plate, and the hanging plate is in L shape, so that the movable opening can conveniently lock the cabinet door.

[0011] Preferably, the top and bottom of the rear side of the inner chamber of the control box are fixedly connected with slide rods, the surface of the slide rods is slidably connected with slide sleeves, the front side of the slide sleeve is fixedly connected with the movable plate, and the slide rods and the slide sleeves can limit the movable plate to move forward and backward stably.

[0012] Preferably, the top and bottom of the exhaust fan are fixedly connected with semiconductor refrigerators, and the cold ends of the opposite sides of the two semiconductor refrigerators are penetrated into the inner chamber of the exhaust fan, so that the semiconductor refrigerators can reduce the temperature of air, low-temperature air enters the inside of the cooling shell, and the cooling effect of the heat dissipation copper pipe is improved.

[0013] Preferably, the front side of the cooling shell is communicated with an exhaust pipe, and the front side of the cabinet door is provided with an observation window, so that the exhaust pipe can exhaust air in the inside of the cooling shell, and the observation window can conveniently enable workers to observe the running state of the equipment in the cabinet body.

[0014] Preferably, the two sides of the bottom of the cabinet are fixedly connected with support columns, and the bottom of the support column is fixedly connected with an anti-skid plate, which can stably support the cabinet and prevent it from deviating during work.

[0015] Preferably, the top of the cabinet is provided with a rain shield, and the bottom of the rain shield is fixedly connected with the cabinet through a connecting column, which can shield the top of the cabinet and prevent the external environment from affecting the inside of the cabinet.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, has the following beneficial effects:

[0018] 1、 this photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, through sealing assembly can seal the cabinet, prevent the outside humid air from entering the inside of the cabinet, through the knob control screw rod rotates, and the screw rod and the threaded hole cooperation control movable plate and the hanging plate move, and the hanging plate moves and extrudes the cabinet door, makes the cabinet door and sealing ring closely, avoids the influence of external environment to the inside of the cabinet, prevents the humid air and influences the service life of converter body.

[0019] 2、 this photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, through sealing circulation heat dissipation assembly can be circulated to the inside of the cabinet, and the air in the inside of the cabinet is circulated to the outside cooling, and the cooled air reenters the inside of the cabinet, utilizes the air of fast flow and removes the temperature generated when converter body works, prevents its appearance heat accumulation, further improves the service life of converter body. DETAILED DESCRIPTION

[0020] Figure 1 It is the structure schematic diagram of the utility model;

[0021] Figure 2 It is the structure side view of the utility model;

[0022] Figure 3 It is the sealing assembly schematic diagram of the utility model;

[0023] Figure 4 It is the cabinet sectional view of the utility model;

[0024] Figure 5 It is the cooling shell sectional view of the utility model.

[0025] In the figure: 100, main body; 110, cabinet body; 120, heat-conducting mounting rack; 130, converter body; 140, cabinet door; 200, sealing assembly; 210, control box; 220, movable plate; 230, screw rod; 240, hanging plate; 250, sealing ring; 300, sealing circulating heat dissipation assembly; 310, cooling shell; 320, exhaust fan; 330, heat-conducting sheet; 340, heat-dissipating copper pipe; 350, drying box; 360, exhaust fan; 370, semiconductor refrigerator; 380, exhaust pipe; 150, supporting column; 160, rain shield. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-5The utility model provides a photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, including main body 100, sealing assembly 200 and sealed circulating heat dissipation assembly 300, main body 100 includes cabinet 110, both sides of the bottom of cabinet 110 are fixedly connected with support column 150, the bottom of support column 150 is fixedly connected with antiskid board, support column 150 and antiskid board can stabilize the support of cabinet 110, the top of cabinet 110 is provided with rain shield 160, and the bottom between rain shield 160 and cabinet 110 is fixedly connected through connecting column, rain shield 160 can carry out sunshade and rain -proof work to cabinet 110, prevent the influence that outside environment changes causes to the inside of cabinet 110, both sides of the bottom of the inner chamber of cabinet 110 are fixedly connected with heat conduction mounting bracket 120, heat conduction mounting bracket 120 can conveniently install and fix converter body 130, and the heat conduction mounting bracket 120 made of heat conduction material can export the heat generated when converter body 130 works, and the converter body 130 is fixedly connected between the two heat conduction mounting brackets 120, the left side of the front surface of cabinet 110 is hingedly connected with cabinet door 140, and cabinet door 140 can seal cabinet 110, sealing assembly 200 includes control box 210, and the left side of control box 210 is fixedly connected with cabinet 110, and the inner chamber of control box 210 is provided with movable plate 220, movable plate 220 can cooperate with screw rod 230 and control the use position of hanging plate 240, the top and bottom of the rear side in the inner chamber of control box 210 are fixedly connected with slide rod, the surface of slide rod is slidably connected with slide sleeve, and the front side of slide sleeve is fixedly connected with movable plate 220, and slide rod and slide sleeve can limit movable plate 220, so that it can move left and right stably, and the rear side of movable plate 220 is hingedly connected with screw rod 230, and the rear side of screw rod 230 penetrates to the outside of control box 210, and the rear side of screw rod 230 is fixedly connected with knob, and knob can conveniently rotate screw rod 230, and the rear side of control box 210 is provided with the screw hole of cooperation use with screw rod 230, and the screw hole can cooperate with screw rod 230 and adjust the use position of movable plate 220, and the front side of movable plate 220 is fixedly connected with hanging plate 240, and hanging plate 240 can pull cabinet door 140, so that it is tightly attached with sealing ring 250, and the front side of hanging plate 240 penetrates to the outside of control box 210, and the front side of control box 210 is provided with the movable opening of cooperation use with hanging plate 240, and the movable opening can conveniently move hanging plate 240 back and forth, and the shape of hanging plate 240 is L-shaped, and the front side of cabinet 110 is fixedly connected with sealing ring 250, and sealing ring 250 can increase the sealing effect of cabinet 110, and sealing circulating heat dissipation assembly 300 includes cooling shell 310, and the front side of cooling shell 310 is connected with exhaust pipe 380, and the front side of cabinet door 140 is provided with observation window, and observation window can conveniently make staff observe the equipment running condition in the inside of cabinet 110, and the right side of cooling shell 310 is fixedly connected with cabinet 110, and the rear side of cooling shell 310 is connected with exhaust fan 320,The exhaust fan 320 can deliver external air to the inside of the cooling shell 310, and the top and bottom of the exhaust fan 320 are fixedly connected with semiconductor refrigerators 370, which can lower the temperature of the air entering the inside of the cooling shell 310, and the cold ends of the two semiconductor refrigerators 370 on the opposite side are penetrated into the inner cavity of the exhaust fan 320, and the inner cavity of the cooling shell 310 is provided with heat-conducting fins 330 and heat-dissipating copper pipes 340, which can reduce the temperature of the air inside the cabinet 110, and the right side of the heat-conducting fin 330 penetrates the cabinet 110 and is fixedly connected with the heat-conducting mounting frame 120, one end of the heat-dissipating copper pipe 340 communicates with the cabinet 110 through a drying box 350, and the drying box 350 can dry the air, and is filled with desiccant particles, so that it can absorb humid air, and the other end of the heat-dissipating copper pipe 340 communicates with the cabinet 110 through an exhaust fan 360.

[0028] Working principle: After the staff completes the maintenance of the converter body 130 inside the cabinet 110, the cabinet door 140 is closed, and then the knob is rotated, the knob cooperates with the screw rod 230 to drive the movable plate 220 and the hanging plate 240 to move, the hanging plate 240 moves to pull one side of the cabinet door 140, so that the cabinet door 140 continuously extrudes the sealing ring 250, the sealing ring 250 deforms after being pressed and fills the gap between the cabinet door 140 and the cabinet 110, improving the sealing effect of the inside of the cabinet 110, preventing the change of the external environment from affecting the inside of the cabinet 110, and starting the exhaust fan 360 and the exhaust fan 320 when the converter body 130 inside the cabinet 110 needs to be cooled, the exhaust fan 360 delivers the air inside the cabinet 110 to the inside of the heat-dissipating copper pipe 340, and the exhaust fan 320 exhausts the external air into the cooling shell 310, and the temperature of the air is lowered by the semiconductor refrigerator 370, the low-temperature air continuously flows on the surface of the heat-conducting fin 330 and the heat-dissipating copper pipe 340, so that the temperature of the air inside the heat-dissipating copper pipe 340 is rapidly lowered, and the low-temperature air reenters the inside of the cabinet 110 after passing through the drying box 350, so that the air inside the cabinet 110 continuously flows, taking away the temperature generated by the converter body 130 during work, preventing heat accumulation, and the cabinet 110 does not exchange air with the outside during the entire cooling process, so that the external humid air cannot enter the inside of the cabinet 110, avoiding affecting the converter body 130.

[0029] In summary, the photovoltaic power station heat dissipation type PCS energy storage bidirectional converter can seal the cabinet 110 through the sealing assembly 200, prevent the outside humid air from entering the inside of the cabinet 110, rotate the screw rod 230 through the knob control, cooperate the screw rod 230 with the threaded hole to control the moving of the movable plate 220 and the hanging plate 240, extrude the cabinet door 140 through the moving of the hanging plate 240, make the cabinet door 140 closely adhere to the sealing ring 250, avoid the influence of the outside environment on the inside of the cabinet 110, prevent the humid air from affecting the service life of the converter body 130, circulate the inside of the cabinet 110 through the sealing circulating heat dissipation assembly 300, circulate the air in the inside of the cabinet 110 to the outside for cooling, make the cooled air re-enter the inside of the cabinet 110, use the fast flowing air to take away the temperature generated by the converter body 130 during work, prevent the heat accumulation, and further improve the service life of the converter body 130.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic power station heat dissipation type PCS energy storage bidirectional converter, comprising a main body (100), a sealing assembly (200) and a sealing circulating heat dissipation assembly (300), characterized in that: The main body (100) comprises a cabinet body (110), both sides of the bottom of the inner cavity of the cabinet body (110) are fixedly connected with heat-conducting mounting racks (120), a current transformer body (130) is fixedly connected between the two heat-conducting mounting racks (120), and the left side of the front surface of the cabinet body (110) is hingedly connected with a cabinet door (140). The sealing assembly (200) comprises a control box (210), the left side of the control box (210) is fixedly connected with the cabinet body (110), the inner cavity of the control box (210) is provided with a movable plate (220), the rear side of the movable plate (220) is movably connected with a screw rod (230), the rear side of the screw rod (230) penetrates to the outside of the control box (210), the front side of the movable plate (220) is fixedly connected with a hanging plate (240), the front side of the hanging plate (240) penetrates to the outside of the control box (210), and the front side of the cabinet body (110) is fixedly connected with a sealing ring (250). The sealing circulating heat dissipation assembly (300) comprises a cooling shell (310), the right side of the cooling shell (310) is fixedly connected with the cabinet body (110), the rear side of the cooling shell (310) is communicated with an exhaust fan (320), the inner cavity of the cooling shell (310) is provided with heat-conducting fins (330) and heat dissipation copper pipes (340), the right side of the heat-conducting fins (330) penetrates the cabinet body (110) and is fixedly connected with the heat-conducting mounting racks (120), one end of the heat dissipation copper pipes (340) is communicated with the cabinet body (110) through a drying box (350), and the other end of the heat dissipation copper pipes (340) is communicated with the cabinet body (110) through an air extractor (360).

2. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The rear side of the screw rod (230) is fixedly connected with a knob, and the rear side of the control box (210) is provided with a threaded hole matched with the screw rod (230).

3. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The front side of the control box (210) is provided with a movable opening matched with the hanging plate (240), and the hanging plate (240) is in the shape of L.

4. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The top and bottom of the rear side of the inner cavity of the control box (210) are fixedly connected with slide rods, slide sleeves are slidably connected to the surfaces of the slide rods, and the front side of the slide sleeve is fixedly connected with the movable plate (220).

5. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The top and bottom of the exhaust fan (320) are fixedly connected with semiconductor refrigerators (370), and the cold ends of the opposite sides of the two semiconductor refrigerators (370) penetrate into the inner cavity of the exhaust fan (320).

6. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The front side of the cooling shell (310) is communicated with an exhaust pipe (380), and the front side of the cabinet door (140) is provided with an observation window.

7. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The bottom of the cabinet body (110) is fixedly connected with support columns (150), and the bottom of the support column (150) is fixedly connected with an antiskid plate.

8. The PCS energy storage bidirectional converter with heat dissipation for photovoltaic power station according to claim 1, characterized in that: The top of the cabinet body (110) is provided with a rain shield (160), and the bottom of the rain shield (160) is fixedly connected with the cabinet body (110) through a connecting column.

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