Distributed photovoltaic grid-connected collaborative device

Abstract

The utility model discloses a distributed photovoltaic grid-connected collaborative device, which comprises a box body and a moisture-proof box, one side of the box body is provided with an air inlet, the top wall in the box body is provided with two symmetrical air outlets, the air inlet is provided with a first filter screen, the first filter screen is fixedly connected with the box body, one side of the first filter screen is in sliding connection with a scraper, and the other side of the first filter screen is provided with a second filter screen. A pushing handle is fixedly connected to the side, away from the box body, of the scraper, connecting blocks are fixedly connected to the two ends of the scraper correspondingly, and sliding rods are slidably connected to the connecting blocks, so that dust and impurities attached to the surface of the first filter screen can be removed, the ventilation effect of the first filter screen is guaranteed, air in the box body circulates, and the box body can be rapidly cooled; the box body can be well dustproof, ventilated and moistureproof, and the safety and stability of the distribution box in the using process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grid-connected coordination devices, in particular to a distributed photovoltaic grid-connected coordination device. Background Art

[0002] With the continuous development of economy and society, new energy sources are constantly being developed and explored, and are gradually developing steadily, especially solar photovoltaic panels, which are widely used. The photovoltaic grid-connected distribution box is a device for power control, which is equipped with various circuits and control components, so it is necessary to effectively protect the photovoltaic grid-connected distribution box.

[0003] According to a distributed photovoltaic grid-connected coordination device disclosed in a Chinese patent document with the announcement number CN218770832U, it belongs to the field of photovoltaic grid-connected technology and includes a cabinet, wherein the structure of the cabinet adopts a distributed design and is equally divided into two parts, and the two parts are welded to each other, and the inner cavities of the two parts are connected, and the two sides of one side wall of the cabinet are welded with side air inlet pipes, and the two side air inlet pipes are installed with air inlet fans, and the two sides of the top wall of the cabinet are drilled with top exhaust ports that lead into the inner cavity, and the two top exhaust ports are installed with exhaust fans, and the wind direction of the two exhaust fans is from bottom to top, and the side wall of the cabinet facing away from the two side air inlet pipes is provided with two openings of equal size. The distributed photovoltaic grid-connected coordination device allows the heat dissipation on both sides of the cabinet inner cavity to be carried out separately, so that the components on both sides of the cabinet inner cavity are well cooled, and the situation of repeated heating of the components is reduced to a certain extent.

[0004] Based on the search of the above patents and in combination with the grid-connected cooperative device in the prior art, it was found that when the above device is in use, the coordination between the exhaust port and the air inlet pipe ensures the air circulation in the distribution box and can effectively dissipate heat. However, in actual use, a large amount of dust and impurities will accumulate on the surface of the dustproof net, causing blockage, affecting the ventilation effect of the dustproof net, and the distribution box is not moisture-proof. Once encountering humid weather, the inside of the distribution box will become humid and condensation will be generated, affecting the normal use of the internal circuits and control components, thereby reducing practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a distributed photovoltaic grid-connected collaborative device, which can effectively prevent moisture through a moisture-proof box to prevent the air in the box from being humid and generating condensation beads, causing damage to the lines and electrical components and causing short circuits. At the same time, with the use of a scraper, dust and impurities attached to the surface of the first filter can be removed to ensure the ventilation effect of the first filter, so that the air in the box can circulate, the box can be quickly cooled, and the box can be well dust-proof, ventilated and moisture-proof, thereby improving the safety and stability of the distribution box during use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distributed photovoltaic grid-connected collaborative device, comprising a box body and a moisture-proof box, characterized in that: an air inlet is provided on one side of the box body, and two symmetrical air outlets are provided on the top wall of the box body, a first filter is provided at the air inlet, the first filter is fixedly connected to the box body, a scraper is slidably connected to one side of the first filter, a push handle is fixedly connected to the side of the scraper away from the box body, connecting blocks are fixedly connected at both ends of the scraper, a sliding rod is slidably connected to the connecting block, and both ends of the two sliding rods are commonly connected to a fixing rod, an exhaust fan is provided at the air outlet, the exhaust fan is fixedly connected to the box body, and a second filter is fixedly connected to the upper end face of the exhaust fan.

[0007] The beneficial effects of the utility model are as follows: the distribution box can be treated against moisture by the moisture-proof box, and the scraper and the two sliding rods can scrape away the dust and impurities attached to the surface of the first filter screen, thereby ensuring the ventilation effect of the first filter screen and preventing long-term blockage and heat dissipation problems:

[0008] In order to achieve the effect of moisture-proof, dust-proof and ventilation and heat dissipation of the distribution box:

[0009] As a further improvement of the above technical solution: a dust cover is fixedly connected to the upper end surface of the box body, and a plurality of evenly distributed ventilation slots are opened on both sides of the dust cover.

[0010] The beneficial effect of this improvement is that the dust cover can prevent dust from falling on the surfaces of the two second filter screens, causing the air outlet to be blocked and affecting the heat dissipation effect of the distribution box:

[0011] In order to achieve dust-proof treatment on the top of the distribution box, effective ventilation and heat dissipation can be achieved:

[0012] As a further improvement of the above technical solution: a connecting plate is fixedly connected to the bottom wall of the box body, and two symmetrical connecting grooves are provided on the upper end surface of the connecting plate. A connecting rod is movably connected in the connecting groove, and the connecting rod is fixedly connected to the moisture-proof box.

[0013] The beneficial effect of this improvement is that the moisture-proof box can be quickly connected to the box body through the two connecting rods and the two connecting grooves, which facilitates the replacement of the moisture-proof box and ensures the long-term stability of the moisture-proof box:

[0014] In order to install and disassemble the moisture-proof box:

[0015] As a further improvement of the above technical solution: a fixing block is fixedly connected to one side of the moisture-proof box, a positioning button is slidably connected to the fixing block, a positioning hole is opened on the bottom wall of the box body, and the positioning button is movably connected to the positioning hole.

[0016] The beneficial effect of this improvement is that the positioning button and the positioning hole can ensure that the moisture-proof box is more stable during use and will not shake or fall off at will:

[0017] In order to fix the moisture-proof box:

[0018] As a further improvement of the above technical solution: a rain shield is provided above the first filter net, and the rain shield is fixedly connected to the box body.

[0019] The beneficial effect of this improvement is that the rain shield can prevent rain from penetrating into the box through the first filter screen, thus avoiding the problem of moisture inside the box.

[0020] In order to waterproof the box and prevent rainwater from seeping in:

[0021] As a further improvement of the above technical solution: the lower end surface of the box body is fixedly connected with a fixing seat, the lower end surface of the fixing seat is fixedly connected with a plurality of screws, the outer wall of the screw is screwed with a screw sleeve, and the end of the screw sleeve away from the screw is fixedly connected with a stabilizing plate.

[0022] The beneficial effect of this improvement is that through the cooperation between multiple screws and screw sleeves, the position of the stabilizing plate can be flexibly adjusted so that the stabilizing plate contacts the ground, supports the entire distribution box, and ensures its stability in use:

[0023] In order to support and fix the distribution box:

[0024] As a further improvement of the above technical solution: universal wheels are fixedly connected to the four corners of the lower end surface of the fixing seat.

[0025] The beneficial effects of this improvement are: through the four universal wheels, the distribution box can be quickly moved, the flexibility of the distribution box is improved, and it is convenient for the staff to carry and move it:

[0026] In order to move the distribution box: BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The three-dimensional structure provided by the utility model is shown in FIG. Figure 1 ;

[0028] Figure 2 The utility model provides Figure 1 The enlarged view of point A in the middle;

[0029] Figure 3 Provide a top view of the utility model;

[0030] Figure 4 The utility model provides Figure 3 The three-dimensional cross-section view at AA in the middle;

[0031] Figure 5 The three-dimensional structure provided by the utility model is shown in FIG. Figure 2 ;

[0032] Figure 6 The utility model provides Figure 5 Enlarged view of point B in the middle.

[0033] In the figure, 1, box body; 2, moisture-proof box; 21, air inlet; 22, air outlet; 23, first filter; 24, scraper; 25, push handle; 26, connecting block; 27, sliding rod; 28, fixing rod; 29, exhaust fan; 30, second filter; 41, dust cover; 42, ventilation slot; 51, connecting plate; 52, connecting slot; 53, connecting rod; 61, fixing block; 62, positioning button; 63, positioning hole; 71, rain shield; 81, fixing seat; 82, screw; 83, screw sleeve; 84, stabilizing sheet; 91, universal wheel. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figures 1 to 6As shown, a distributed photovoltaic grid-connected collaborative device provided by an embodiment of the utility model includes a box body 1 and a moisture-proof box 2. The moisture-proof box 2 can ensure the dryness of the box body 1 and prevent condensation from being generated in the box body 1, which affects the use of the circuit and the control components. An air inlet 21 is provided on one side of the box body 1, and two symmetrical air outlets 22 are provided on the top wall of the box body 1. The cooperation between the air inlet 21 and the air outlet 22 can make the air in the box body 1 circulate, which can effectively dissipate heat. A first filter 23 is provided at the air inlet 21. The first filter 23 can block the entry of external dust, prevent dust from accumulating on cables and control components, and affect the heat dissipation effect. The first filter 23 is fixedly connected to the box body 1, and a scraper is slidably connected to one side of the first filter 23. The scraper 24 is fixedly connected with a pushing handle 25 on one side away from the box body 1, and both ends of the scraper 24 are fixedly connected with connecting blocks 26, and a sliding rod 27 is slidably connected to the connecting block 26. Both ends of the two sliding rods 27 are commonly connected with a fixing rod 28. By pushing the handle 25, the scraper 24 can scrape the surface of the first filter screen 23 to prevent the first filter screen 23 from being blocked. An exhaust fan 29 is provided at the air outlet 22. The two exhaust fans 29 can effectively exhaust air to ensure good heat dissipation of the box body 1. The exhaust fan 29 is fixedly connected to the box body 1, and the upper end surface of the exhaust fan 29 is fixedly connected with a second filter screen 30. The two second filter screens 30 can prevent dust from entering the box body 1 from the top of the box body 1. The upper end surface of the box body 1 is fixed A dust cover 41 is connected, and a number of evenly distributed ventilation slots 42 are provided on both sides of the dust cover 41. The dust cover 41 can effectively prevent dust, and the several ventilation slots 42 can effectively dissipate heat. A connecting plate 51 is fixedly connected to the bottom wall of the box body 1. Two symmetrical connecting slots 52 are provided on the upper end surface of the connecting plate 51. A connecting rod 53 is movably connected in the connecting slot 52. The connecting rod 53 is fixedly connected to the moisture-proof box 2. The two connecting rods 53 and the two connecting slots 52 can make the moisture-proof box 2 and the connecting plate 51 preliminarily connected. A fixing block 61 is fixedly connected to one side of the moisture-proof box 2. A positioning button 62 is slidably connected to the fixing block 61. A positioning hole 63 is provided on the bottom wall of the box body 1. The positioning button 62 is movably connected to the positioning hole 63 to cooperate with the positioning The button 62 and the positioning hole 63 are used to fix the moisture-proof box 2, and are convenient for disassembly and replacement. A rain shield 71 is provided above the first filter screen 23, and the rain shield 71 is fixedly connected to the box body 1. The rain shield 71 can prevent rainwater from seeping in from the air inlet 21. The lower end surface of the box body 1 is fixedly connected with a fixing seat 81, and the lower end surface of the fixing seat 81 is fixedly connected with a plurality of screws 82. The outer wall of the screw 82 is screwed with a screw sleeve 83, and the end of the screw sleeve 83 away from the screw 82 is fixedly connected with a stabilizing plate 84. By adjusting the four screw sleeves 83, the four stabilizing plates 84 can be flexibly brought into contact with the ground to ensure the stability of the distribution box. Universal wheels 91 are fixedly connected to the four corners of the lower end surface of the fixing seat 81, and the universal wheels 91 can facilitate the movement of the distribution box.

[0036] The working principle and use process of the utility model are as follows: when in use, first move the box body 1 to the place where it is needed through the four universal wheels 91, and then twist the four screw sleeves 83 to move the stabilizing plate 84 toward the ground, so that the box body 1 is fixed to the ground. The two exhaust fans 29 allow air to enter the box body 1 from the air inlet, and cooperate with the two air outlets 22 to ensure the air circulation in the box body 1, so as to achieve rapid heat dissipation in the box body 1. The first filter screen 23 can prevent external dust from entering the box body 1. After using it for a period of time, the push handle 25 can be used to make the two connecting blocks 26 slide with the scraper 24 on the two sliding rods 27 to clean the surface of the first filter screen 23. The dust cover 41 can prevent dust from accumulating on the two second filter screens 30 and affecting heat dissipation. The rain cover 71 can prevent water from penetrating into the box body 1, so as to realize the use process of the entire grid-connected collaborative device.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A distributed photovoltaic grid-connected coordination device, comprising a housing (1) and a moisture-proof box (2), characterized in that: An air inlet (21) is provided on one side of the box body (1), and two symmetrical air outlets (22) are provided on the inner top wall of the box body (1). A first filter (23) is provided at the air inlet (21), and the first filter (23) is fixedly connected to the box body (1). A scraper (24) is slidably connected to one side of the first filter (23), and a push handle (25) is fixedly connected to the side of the scraper (24) away from the box body (1). Both ends of the scraper (24) are fixedly connected to connecting blocks (26), and a sliding rod (27) is slidably connected to the connecting block (26), and both ends of the two sliding rods (27) are commonly connected to a fixed rod (28). An exhaust fan (29) is provided at the air outlet (22), and the exhaust fan (29) is fixedly connected to the box body (1). A second filter (30) is fixedly connected to the upper end surface of the exhaust fan (29).

2. A distributed photovoltaic grid-connected coordination device according to claim 1, characterized in that: A dust cover (41) is fixedly connected to the upper end surface of the box body (1), and a plurality of evenly distributed ventilation slots (42) are provided on both sides of the dust cover (41).

3. A distributed photovoltaic grid-connected coordination device according to claim 1, characterized in that: A connecting plate (51) is fixedly connected to the inner bottom wall of the box body (1), and two symmetrical connecting grooves (52) are provided on the upper end surface of the connecting plate (51). A connecting rod (53) is movably connected in the connecting groove (52), and the connecting rod (53) is fixedly connected to the moisture-proof box (2).

4. A distributed photovoltaic grid-connected coordination device according to claim 1, characterized in that: A fixing block (61) is fixedly connected to one side of the moisture-proof box (2), a positioning button (62) is slidably connected to the fixing block (61), a positioning hole (63) is opened on the inner bottom wall of the box body (1), and the positioning button (62) is movably connected to the positioning hole (63).

5. A distributed photovoltaic grid-connected coordination device according to claim 1, characterized in that: A rain shield (71) is provided above the first filter screen (23), and the rain shield (71) is fixedly connected to the box body (1).

6. A distributed photovoltaic grid-connected coordination device according to claim 1, characterized in that: The lower end surface of the box body (1) is fixedly connected to a fixing seat (81), the lower end surface of the fixing seat (81) is fixedly connected to a plurality of screw rods (82), the outer wall of the screw rod (82) is screwed with a screw sleeve (83), and one end of the screw sleeve (83) away from the screw rod (82) is fixedly connected to a stabilizing plate (84).

7. A distributed photovoltaic grid-connected coordination device according to claim 6, characterized in that: Universal wheels (91) are fixedly connected at the four corners of the lower end surface of the fixing seat (81).

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