Outdoor photovoltaic grid-connected box

Abstract

The utility model discloses an outdoor photovoltaic grid-connected box, and relates to the technical field of outdoor box bodies. The cabinet comprises a cabinet body, a controller, a supporting column, an exhaust pipe and a mounting table, the controller is mounted on the right side wall of the cabinet body, the supporting column is mounted on the lower side wall of the cabinet body, the exhaust pipe is mounted on the rear side wall of the cabinet body, the mounting table is mounted on the inner side wall of the cabinet body, vent holes are formed in the mounting table, and a waterproof assembly is mounted on the upper side wall of the cabinet body. A heat dissipation assembly is installed on the lower side wall of the cabinet body. A rotating motor is installed on the lower side wall of a cooling fan of the cooling assembly, a motor rack is installed on the outer side wall of the rotating motor, a dust cover is installed on the lower side wall of the motor rack, and a fixing bolt is installed on the lower side wall of the dust cover. Rainwater can be utilized through the waterproof assembly, the cabinet body is cooled, the heat dissipation efficiency of the cabinet body is improved, the air velocity in the cabinet body can be accelerated through the heat dissipation assembly, and heat dissipation is accelerated.

Description

Technical Field

[0001] The utility model belongs to the technical field of outdoor boxes, in particular to an outdoor photovoltaic grid-connected box. Background Art

[0002] With the development of science and technology, the use of photovoltaic grid-connected boxes is also increasing. The photovoltaic grid-connected boxes are mainly composed of knife switches, circuit breakers and related control components. Each unit is equipped with a parallel control cabinet, the primary circuit of the grid-connected box, the brand, model and specifications of the load switch and the appearance structure of the electrical cabinet. At the same time, the existing photovoltaic grid-connected boxes can be used outdoors.

[0003] Existing document-CN219892770U discloses an outdoor photovoltaic grid-connected box, including a box body, which is a hollow three-dimensional structure, and two groups of insulating plates distributed up and down are connected in the box body, and ventilation pipes are respectively plugged in the left and right sides of the box body, wherein the ventilation pipes are located at the rear side of the insulating plates, and one end of the two ventilation pipes located in the box body is connected, and a moisture-proof filter pipe is plugged in the ventilation pipe, and an exhaust groove is provided on the ventilation pipe; the utility model is used for waterproofing and heat dissipation of the grid-connected box, but it still has the following disadvantages in actual use:

[0004] 1. The above-mentioned outdoor photovoltaic grid-connected box has poor waterproof effect when in use. Rainwater may drift into the box from the ventilation pipe. At the same time, when the humidity in the box is high, effective drying cannot be performed, which will affect the use of electrical components in the box.

[0005] 2. When the above-mentioned outdoor photovoltaic grid-connected box is in use, ventilation pipes are respectively connected to the left and right sides of the box body, and exhaust grooves are provided on the ventilation pipes. Heat is dissipated through the exhaust grooves of the ventilation pipes, and the heat dissipation efficiency is slow, which will affect the heat dissipation effect. Utility Model Content

[0006] The purpose of the utility model is to provide an outdoor photovoltaic grid-connected box, which can utilize rainwater through a waterproof component to cool the cabinet and improve the heat dissipation efficiency of the cabinet. The heat dissipation component can speed up the air flow rate in the cabinet and speed up the heat dissipation, thereby solving the problem of poor heat dissipation effect of existing outdoor photovoltaic grid-connected boxes.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is an outdoor photovoltaic grid-connected box, comprising a cabinet, a controller, a support column, an exhaust pipe and a mounting platform, wherein the right side wall of the cabinet is installed with the controller, the lower side wall of the cabinet is installed with the support column, the rear side wall of the cabinet is installed with the exhaust pipe, the inner side wall of the cabinet is installed with the mounting platform, and the mounting platform is provided with a vent, the upper side wall of the cabinet is installed with a waterproof component, and the lower side wall of the cabinet is installed with a heat dissipation component; a humidity sensor is arranged directly below a waterproof shell of the waterproof component, a transport pipe is arranged on the lower side wall of the waterproof shell, an input end of the humidity sensor is electrically connected to an output end of the controller, and an output end of the controller is electrically connected to an input end of a solenoid valve, and the solenoid valve is arranged on the outer side wall of a drain pipe; a rotating motor is arranged on the lower side wall of a heat dissipation fan of the heat dissipation component, a motor frame is arranged on the outer side wall of the rotating motor, a dust cover is arranged on the lower side wall of the motor frame, and a fixing bolt is arranged on the lower side wall of the dust cover.

[0009] Furthermore, an exhaust hole is opened on the rear side wall of the cabinet, an exhaust pipe is installed at the exhaust hole of the cabinet, and dustproof cotton is installed on the inner side wall of the exhaust pipe.

[0010] Furthermore, a water storage tank is provided on the upper side wall of the cabinet, the upper side wall of the cabinet is detachably fixedly connected to the waterproof shell, and a first drainage hole is provided on the upper side wall of the waterproof shell, and the first drainage hole is arranged directly above the water storage tank.

[0011] Furthermore, a second drainage hole is opened on the upper side wall of the waterproof shell, a transport pipe is installed in the second drainage hole, the lower end of the transport pipe is installed in the cabinet, and the water outlet end of the transport pipe is arranged in the water storage tank.

[0012] Furthermore, the interior of the top side of the cabinet is detachably fixedly connected to the humidity sensor, the left and right side walls of the cabinet are both sealedly connected to the drain pipe, and the water inlet end of the drain pipe is installed in the water storage tank.

[0013] Furthermore, a cooling fan is provided on the bottom side of the cabinet, and the cooling fan is detachably fixedly connected to the output end of the rotating motor.

[0014] Furthermore, the outer side wall of the rotating motor is connected to the motor frame, the rotating motor is connected to the cabinet through the motor frame, and the rotating motor is connected to the controller through a wire.

[0015] Furthermore, a dust cover is installed on the lower side wall of the cabinet, and the cabinet is bolted to the dust cover via a fixing bolt.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model is provided with a waterproof component. On rainy days, rainwater falls into the waterproof shell and falls into the water storage tank on the outer wall of the cabinet through the first drainage hole, so the cabinet can be cooled. Rainwater also falls into the transport pipe through the second drainage hole and is transported in the cabinet through the transport pipe, so the heat in the cabinet can be taken away and the heat dissipation effect of the cabinet can be accelerated. The humidity in the cabinet is detected by the humidity sensor in the cabinet. When the humidity changes greatly, the feedback is given to the controller. The controller controls the solenoid valve to open and the water in the water storage tank is discharged through the drainage pipe, which will reduce the heat dissipation efficiency of the cabinet, make the cabinet dry slowly, and avoid high humidity in the cabinet.

[0018] 2. The utility model sets a heat dissipation component, starts a rotating motor, and drives the heat dissipation fan to work. The heat dissipation fan blows the hot air of the cabinet upward, flows through the vents of the mounting table, and is discharged through the exhaust holes of the cabinet. The hot air is discharged from the exhaust pipe, and the outlet end of the exhaust pipe is set downward to prevent rainwater from drifting into the cabinet. The heat dissipation fan accelerates the air flow rate in the cabinet, achieving the effect of rapid cooling and heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an outdoor photovoltaic grid-connected box;

[0020] Figure 2 for Figure 1 Rear view of

[0021] Figure 3 It is a structural cross-sectional view of an outdoor photovoltaic grid-connected box;

[0022] Figure 4 It is a structural exploded diagram of the heat dissipation component;

[0023] Figure 5 This is a structural exploded view of the waterproof component.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Cabinet; 2. Controller; 3. Support column; 4. Exhaust pipe; 5. Mounting table; 6. Waterproof component; 7. Heat dissipation component; 101. Water storage tank; 102. Exhaust hole; 501. Vent hole; 601. Waterproof shell; 602. Humidity sensor; 603. Transport pipe; 604. Drain pipe; 605. Solenoid valve; 701. Cooling fan; 702. Rotating motor; 703. Motor frame; 704. Dust cover; 705. Fixing bolt; 6011. First drain hole; 6012. Second drain hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] Embodiment 1

[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the utility model is an outdoor photovoltaic grid-connected box, including a cabinet 1, a controller 2, a support column 3, an exhaust pipe 4 and a mounting platform 5. The right side wall of the cabinet 1 is installed with the controller 2, the lower side wall of the cabinet 1 is also installed with the support column 3, the rear side wall of the cabinet 1 is installed with the exhaust pipe 4 for easy exhaust, and the exhaust port of the exhaust pipe 4 is set downward to avoid rainwater from drifting in. The inner side wall of the cabinet 1 is installed with a mounting platform 5, and the mounting platform 5 is provided with a vent hole 501 for convenient ventilation and heat dissipation, and the upper side wall of the cabinet 1 is installed with a waterproof component 6;

[0029] A humidity sensor 602 is provided directly below the waterproof housing 601 of the waterproof assembly 6, a transport pipe 603 is installed on the lower side wall of the waterproof housing 601, an input end of the humidity sensor 602 is electrically connected to an output end of the controller 2, and an output end of the controller 2 is electrically connected to an input end of a solenoid valve 605, and the solenoid valve 605 is installed on the outer side wall of the drain pipe 604;

[0030] An exhaust hole 102 is provided on the rear side wall of the cabinet 1 for convenient exhaust. An exhaust pipe 4 is installed at the exhaust hole 102 of the cabinet 1. Dustproof cotton is installed on the inner side wall of the exhaust pipe 4 to prevent dust from entering.

[0031] A water storage tank 101 is provided on the upper side wall of the cabinet 1, which can store rainwater and achieve the effect of heat dissipation. The upper side wall of the cabinet 1 is detachably fixedly connected to the waterproof housing 601. A first drainage hole 6011 is provided on the upper side wall of the waterproof housing 601. The first drainage hole 6011 is arranged just above the water storage tank 101, so that rainwater can enter the water storage tank 101 conveniently.

[0032] A second drainage hole 6012 is provided on the upper side wall of the waterproof housing 601, a transport pipe 603 is installed in the second drainage hole 6012, and the lower end of the transport pipe 603 is installed in the cabinet 1, so that rainwater can be used multiple times to achieve a better heat dissipation effect. The water outlet end of the transport pipe 603 is arranged in the water storage tank 101;

[0033] The top side of the cabinet 1 is detachably fixedly connected to the humidity sensor 602, which constantly detects humidity changes in the cabinet 1 and feeds back to the controller 2. The left and right side walls of the cabinet 1 are sealedly connected to the drain pipe 604, and the water inlet end of the drain pipe 604 is installed in the water storage tank 101;

[0034] When the above arrangement is in use, on a rainy day, rainwater falls into the waterproof shell 601, and falls into the water storage tank 101 on the outer wall of the cabinet 1 through the first drainage hole 6011, which can cool the cabinet 1. In addition, rainwater falls into the transport pipe 603 through the second drainage hole 6012, and is transported in the cabinet 1 through the transport pipe 603, which can take away the heat in the cabinet 1 and accelerate the heat dissipation effect of the cabinet 1. The humidity in the cabinet 1 is detected by the humidity sensor 602 in the cabinet 1. When the humidity changes greatly, it is fed back to the controller 2. The controller 2 controls the solenoid valve 605 to open, and the water in the water storage tank 101 is discharged through the drainage pipe 604, which will reduce the heat dissipation efficiency of the cabinet 1, so that the cabinet 1 will slowly dry, and the humidity in the cabinet 1 can be avoided.

[0035] Embodiment 2

[0036] The difference between the second embodiment and the first embodiment is that the second embodiment further discloses: Figure 2 , Figure 3 and Figure 4 As shown, a heat dissipation component 7 is installed on the lower side wall of the cabinet 1, which can achieve a better heat dissipation effect. A rotating motor 702 is installed on the lower side wall of the heat dissipation fan 701 of the heat dissipation component 7, a motor frame 703 is installed on the outer side wall of the rotating motor 702, a dust cover 704 is installed on the lower side wall of the motor frame 703, and a fixing bolt 705 is installed on the lower side wall of the dust cover 704;

[0037] A cooling fan 701 is provided on the bottom side of the cabinet 1, and the cooling fan 701 is detachably fixedly connected to the output end of the rotating motor 702. The outer wall of the rotating motor 702 is connected to the motor frame 703. The rotating motor 702 is connected to the cabinet 1 through the motor frame 703, and the rotating motor 702 is fixed. The rotating motor 702 is connected to the controller 2 through a wire, so that the controller 2 can control the start of the rotating motor 702.

[0038] A dust cover 704 is installed on the lower side wall of the cabinet 1 to play a protective role. The cabinet 1 is bolted to the dust cover 704 through a fixing bolt 705, which facilitates the installation and removal of the dust cover 704;

[0039] When the above arrangement is in use, the rotating motor 702 is started to drive the cooling fan 701 to work. The cooling fan 701 blows the hot air of the cabinet 1 upward, flows through the vent hole 501 of the mounting platform 5, and is discharged through the exhaust hole 102 of the cabinet 1. The hot air is discharged from the exhaust pipe 4. The outlet end of the exhaust pipe 4 is arranged downward to prevent rainwater from drifting into the cabinet 1. The cooling fan 701 accelerates the air flow rate in the cabinet 1 to achieve the effect of rapid cooling and heat dissipation. The dust cover 704 prevents dust from entering the cabinet 1 and adhering to the electrical components.

[0040] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. An outdoor photovoltaic grid-connected box, comprising a cabinet (1), a controller (2), a support column (3), an exhaust pipe (4) and a mounting platform (5), wherein the right side wall of the cabinet (1) is mounted with the controller (2), the lower side wall of the cabinet (1) is mounted with the support column (3), the rear side wall of the cabinet (1) is mounted with the exhaust pipe (4), the inner side wall of the cabinet (1) is mounted with the mounting platform (5), and the mounting platform (5) is provided with a vent hole (501), characterized in that: The upper side wall of the cabinet (1) is installed with a waterproof component (6), and the lower side wall of the cabinet (1) is installed with a heat dissipation component (7); A humidity sensor (602) is arranged directly below the waterproof housing (601) of the waterproof component (6); a transport pipe (603) is installed on the lower side wall of the waterproof housing (601); an input end of the humidity sensor (602) is electrically connected to an output end of the controller (2); the output end of the controller (2) is electrically connected to an input end of an electromagnetic valve (605); and the electromagnetic valve (605) is installed on the outer side wall of the drain pipe (604); A rotating motor (702) is installed on the lower side wall of the cooling fan (701) of the cooling assembly (7), a motor frame (703) is installed on the outer side wall of the rotating motor (702), a dust cover (704) is installed on the lower side wall of the motor frame (703), and a fixing bolt (705) is installed on the lower side wall of the dust cover (704).

2. An outdoor photovoltaic grid-connected box according to claim 1, characterized in that: An exhaust hole (102) is provided on the rear side wall of the cabinet (1), an exhaust pipe (4) is installed at the exhaust hole (102) of the cabinet (1), and dustproof cotton is installed on the inner side wall of the exhaust pipe (4).

3. An outdoor photovoltaic grid-connected box according to claim 1, characterized in that: The upper side wall of the cabinet (1) is provided with a water storage tank (101), the upper side wall of the cabinet (1) is detachably fixedly connected to the waterproof shell (601), and the upper side wall of the waterproof shell (601) is provided with a first drainage hole (6011), and the first drainage hole (6011) is arranged directly above the water storage tank (101).

4. The outdoor photovoltaic grid-connected box according to claim 1, characterized in that: The upper side wall of the waterproof housing (601) is provided with a second drainage hole (6012), a transport pipe (603) is installed in the second drainage hole (6012), the lower end of the transport pipe (603) is installed in the cabinet (1), and the water outlet end of the transport pipe (603) is arranged in the water storage tank (101).

5. The outdoor photovoltaic grid-connected box according to claim 1, characterized in that: The interior of the top side of the cabinet (1) is detachably fixedly connected to the humidity sensor (602), the left and right side walls of the cabinet (1) are both sealedly connected to the drainage pipe (604), and the water inlet end of the drainage pipe (604) is installed in the water storage tank (101).

6. The outdoor photovoltaic grid-connected box according to claim 1, characterized in that: A cooling fan (701) is provided on the bottom side of the cabinet (1), and the cooling fan (701) is detachably fixedly connected to the output end of the rotating motor (702).

7. The outdoor photovoltaic grid-connected box according to claim 1, characterized in that: The outer side wall of the rotating motor (702) is connected to the motor frame (703), the rotating motor (702) is connected to the cabinet (1) via the motor frame (703), and the rotating motor (702) is connected to the controller (2) via a wire.

8. The outdoor photovoltaic grid-connected box according to claim 1, characterized in that: A dust cover (704) is installed on the lower side wall of the cabinet (1), and the cabinet (1) is bolted to the dust cover (704) via a fixing bolt (705).

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