Novel distribution box for power photovoltaic micro-grid

Abstract

The utility model discloses a novel distribution box for a power photovoltaic micro-grid, which comprises a distribution box body, and the distribution box body comprises a box body, heat dissipation holes and a box door. Dust screens are installed along the surfaces of the installation grooves, dust on the two sides of the heat dissipation holes can be prevented, the heat dissipation effect of the heat dissipation holes is not affected, the dust prevention effect on the interior of the power distribution box can be achieved when the power distribution box is used, and the problem that most of existing power distribution boxes are placed outdoors in the using process and cannot be used in the outdoor environment is solved. Air is filled with various dust and particulate matters, the matters can be continuously deposited on the outer surface of the distribution box under the action of wind power and then enter a box body through a gap or an opening of the distribution box, and the sealing performance of the existing distribution box is poor, the sealing of a box door is not tight, and no dustproof structure is arranged at a heat dissipation hole. Dust in the distribution box is easy to accumulate, and the performance of internal electric devices is affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic microgrids, and in particular relates to a novel distribution box for power photovoltaic microgrids. Background Art

[0002] Microgrid, also translated as microgrid, refers to a small power generation and distribution system composed of distributed power sources, energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc. The purpose of microgrid is to realize the flexible and efficient application of distributed power sources and solve the problem of grid connection of large numbers of distributed power sources in various forms. The development and extension of microgrid can fully promote the large-scale access of distributed power sources and renewable energy, and realize highly reliable supply of various energy forms to loads. It is an effective way to realize active distribution network and make the transition from traditional power grid to smart grid. In the process of microgrid current transmission, distribution box is needed to branch it. At the same time, voltage and current can be adjusted as needed to ensure the safety and stability of power supply. The renewable energy integration of distribution box supports the development of microgrid. Through intelligent scheduling and coordination, renewable energy can better meet the local needs of microgrid. Therefore, distribution box plays a very important role in the use of microgrid.

[0003] The problem with the prior art is that most of the existing distribution boxes are placed outdoors when in use, and in the outdoor environment, the air is full of various dust and particulate matter, which will be continuously deposited on the outer surface of the distribution box under the action of wind, and then enter the interior of the box through the gaps or openings of the distribution box. In addition, the current distribution box has poor sealing performance, the box door is not tightly sealed, and there is no dust-proof structure at the heat dissipation holes, which makes it easy for dust to accumulate inside the distribution box and affect the performance of its internal electrical components. Therefore, a new type of distribution box for electric photovoltaic microgrid is proposed to solve the above problems. Summary of the invention

[0004] In view of the problems existing in the prior art, the utility model provides a novel distribution box for electric photovoltaic microgrid, which has the function of preventing dust on both sides of the heat dissipation holes while not affecting the heat dissipation effect, thereby achieving the advantage of preventing dust inside the distribution box when in use, and solving the problem that most of the existing distribution boxes are placed outdoors when in use, and in the outdoor environment, the air is full of various dust and particulate matter, which will be continuously deposited on the outer surface of the distribution box under the action of wind, and then enter the interior of the box through the gaps or openings of the distribution box, and the current distribution box has poor sealing performance, the box door is not sealed tightly, and there is no dust-proof structure at the heat dissipation holes, which easily causes dust accumulation inside the distribution box and affects the performance of its internal electrical components.

[0005] The utility model is implemented as follows: a novel power distribution box for a photovoltaic microgrid includes a distribution box body, the distribution box body includes a box body, a heat dissipation hole and a box door, the heat dissipation holes are opened on the left and right sides of the box body, the left side of the box door is movably connected to the front side of the box body through a hinge, and dustproof components are arranged on the left and right sides of the box body;

[0006] The dustproof assembly includes a mounting slot and a dustproof net, two mounting slots and two dustproof nets are provided, the two mounting slots are opened on the left and right sides of the box body, and the surfaces of the two dustproof nets are movably connected to the surfaces of the mounting slots;

[0007] The left and right sides of the box body are provided with grooves, the opposite side of the groove is provided with an output component, and the surface of the groove is provided with a rotating mechanism and a positioning mechanism;

[0008] The output assembly includes a fixing seat, a motor and an output rod. The left side of the fixing seat is fixedly installed on the right side of the box body, the outer surface of the motor is fixedly installed on the inner surface of the fixing seat, and the left side of the output rod penetrates into the interior of the groove.

[0009] As a preferred embodiment of the present invention, a dustproof strip is fixedly installed on the front side of the box door, and the dustproof strip is in a snap-fitting relationship with the front side of the box body. By providing the dustproof strip, the box door can be dustproof when it is closed.

[0010] As a preferred embodiment of the utility model, the rotating mechanism includes a first pulley, a first belt and a second pulley, the right side of the first pulley is fixedly installed on the left side of the output rod, the second pulley is located on the front side of the first pulley, and the surface of the second pulley is movably connected to the surface of the first pulley through the first belt, and the rear sides of the first pulley and the second pulley are movably connected to the surface of the groove through the rotating shaft. By setting up the rotating mechanism, when the user needs to disassemble and fix the dustproof net, the use of the rotating mechanism facilitates the user to operate and use it.

[0011] As a preferred embodiment of the present invention, the positioning mechanism includes a positioning rod, a positioning plate and a tooth plate, the bottom of the positioning rod passes through the bottom of the groove, the bottom of the positioning plate is fixedly installed on the top of the positioning rod, and the bottom of the tooth plate is fixedly installed on the top of the positioning plate. By setting up the positioning mechanism, it can be used in conjunction with the rotating mechanism, so that the positioning rod can be driven to move out from the surface of the positioning groove.

[0012] As a preferred embodiment of the utility model, the surface of the groove is movably connected with a gear through a rotating shaft, and the front side and surface of the gear are meshed with the rear side of the second pulley and the surface of the gear. By setting the gear, the second pulley can be rotated and the gear can be used to drive the toothed plate to move upward.

[0013] As a preferred embodiment of the utility model, a vertical rod is fixedly installed on the surface of the groove, and a limiting ring is fixedly installed on the top of the vertical rod. By arranging the vertical rod and the limiting ring, the positioning plate can be assisted in moving the positioning rod when it moves.

[0014] As a preferred embodiment of the present invention, a positioning groove is provided on the top of the dustproof net, and the positioning groove is used in conjunction with a positioning rod. By providing the positioning groove, the dustproof net can be disassembled and fixed by cooperating with the positioning rod.

[0015] 1. The utility model improves the dustproof assembly, groove, output assembly, dustproof strip, rotating mechanism, positioning mechanism, gear, vertical rod, limit ring and positioning groove, and installs the dustproof net along the surface of the installation groove, so that dust can be prevented on both sides of the heat dissipation hole, and the heat dissipation effect is not affected. The distribution box can be dustproof inside when it is in use, which solves the problem that most of the existing distribution boxes are placed outdoors when in use, and in the outdoor environment, the air is full of various dust and particulate matter, which will be continuously deposited on the outer surface of the distribution box under the action of wind, and then enter the box through the gap or opening of the distribution box. In addition, the sealing performance of the current distribution box is not good, the box door is not sealed tightly, and there is no dustproof structure at the heat dissipation hole, which easily causes dust accumulation inside the distribution box and affects the performance of its internal electrical components.

[0016] 2. The utility model provides an output assembly, a rotating mechanism, a positioning mechanism and a positioning groove, so that the user can disassemble and clean the dust screen and then install it through the installation groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the distribution box body provided by the embodiment of the utility model;

[0018] Figure 2 This is a disassembly diagram of the distribution box body provided by the embodiment of the utility model;

[0019] Figure 3 The utility model embodiment provides Figure 1 A partial enlarged view of the middle A;

[0020] Figure 4 The utility model embodiment provides Figure 2 A partial enlarged view of point B in the middle.

[0021] In the figure: 1. distribution box body; 101. box body; 102. heat dissipation holes; 103. box door; 2. dustproof component; 21. mounting slot; 22. dustproof net; 3. groove; 4. output component; 41. fixing seat; 42. motor; 43. output rod; 5. dustproof strip; 6. rotating mechanism; 61. first pulley; 62. first belt; 63. second pulley; 7. positioning mechanism; 71. positioning rod; 72. positioning plate; 73. tooth plate; 8. gear; 9. vertical rod; 10. limit ring; 11. positioning slot. DETAILED DESCRIPTION

[0022] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0023] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 4 As shown, a novel power distribution box for a photovoltaic microgrid provided by an embodiment of the utility model comprises a distribution box body 1, the distribution box body 1 comprises a box body 101, a heat dissipation hole 102 and a box door 103, the heat dissipation holes 102 are both provided on the left and right sides of the box body 101, the left side of the box door 103 is movably connected to the front side of the box body 101 through a hinge, and dustproof components 2 are provided on the left and right sides of the box body 101;

[0025] The dustproof component 2 includes a mounting groove 21 and a dustproof net 22. Two mounting grooves 21 and two dustproof nets 22 are provided. The two mounting grooves 21 are both opened on the left and right sides of the box body 101. The surfaces of the two dustproof nets 22 are movably connected to the surfaces of the mounting grooves 21.

[0026] The left and right sides of the box body 101 are provided with grooves 3, the opposite side of the grooves 3 is provided with output components 4, and the surface of the grooves 3 is provided with a rotating mechanism 6 and a positioning mechanism 7;

[0027] The output assembly 4 includes a fixing seat 41, a motor 42 and an output rod 43. The left side of the fixing seat 41 is fixedly installed on the right side of the box body 101, the outer surface of the motor 42 is fixedly installed on the inner surface of the fixing seat 41, and the left side of the output rod 43 penetrates into the interior of the groove 3.

[0028] refer to Figure 1 and Figure 2 A dustproof strip 5 is fixedly installed on the front side of the box door 103, and the dustproof strip 5 is in a snap-fit ​​relationship with the front side of the box body 101.

[0029] The above solution is adopted: by providing the dustproof strip 5, it is possible to achieve a dustproof effect on the box door 103 when it is closed.

[0030] refer to Figure 1 and Figure 3 The rotating mechanism 6 includes a first pulley 61, a first belt 62 and a second pulley 63. The right side of the first pulley 61 is fixedly installed on the left side of the output rod 43, and the second pulley 63 is located in front of the first pulley 61. The surface of the second pulley 63 is movably connected to the surface of the first pulley 61 through the first belt 62, and the rear sides of the first pulley 61 and the second pulley 63 are movably connected to the surface of the groove 3 through the rotating shaft.

[0031] By adopting the above solution, by providing the rotating mechanism 6 , when the user needs to disassemble and fix the dustproof net 22 , the rotating mechanism 6 can be used to facilitate the user to operate and use it.

[0032] refer to Figure 1 and Figure 3 The positioning mechanism 7 includes a positioning rod 71, a positioning plate 72 and a tooth plate 73. The bottom of the positioning rod 71 passes through the bottom of the groove 3, the bottom of the positioning plate 72 is fixedly installed on the top of the positioning rod 71, and the bottom of the tooth plate 73 is fixedly installed on the top of the positioning plate 72.

[0033] The above solution is adopted: by providing the positioning mechanism 7 , it can be used in conjunction with the rotating mechanism 6 , so that the positioning rod 71 can be driven to move out from the surface of the positioning groove 11 .

[0034] refer to Figure 1 and Figure 3 The surface of the groove 3 is movably connected to a gear 8 via a rotating shaft, and the front side and surface of the gear 8 are meshed with the rear side of the second pulley 63 and the surface of the gear 8.

[0035] The above solution is adopted: by providing the gear 8, the second pulley 63 can be rotated, and the gear 8 can be used to drive the toothed plate 73 to move upward.

[0036] refer to Figure 1 and Figure 3 A vertical rod 9 is fixedly installed on the surface of the groove 3, and a limiting ring 10 is fixedly installed on the top of the vertical rod 9.

[0037] By adopting the above solution, by providing the vertical rod 9 and the limiting ring 10 , the positioning plate 72 can assist the positioning rod 71 in moving when the positioning plate 72 moves.

[0038] refer to Figure 1 , 3 and Figure 4 A positioning groove 11 is provided on the top of the dustproof net 22 , and the positioning groove 11 is used in conjunction with the positioning rod 71 .

[0039] By adopting the above solution, by providing the positioning groove 11 , the dust screen 22 can be disassembled and fixed by being used in conjunction with the positioning rod 71 .

[0040] When in use, the user first opens the starting end of the motor 42 so that the motor 42 can run. Through the operation of the motor 42, the output rod 43 can drive the first pulley 61 to rotate. In this way, through the rotation of the first pulley 61, the first pulley 61 can be used to drive the second pulley 63 to rotate. The rotation of the second pulley 63 can simultaneously drive the gear 8 to rotate. In this way, through the meshing of the gear 8 and the toothed plate 73, the toothed plate 73 can be driven to move upward at the same time. The upward movement of the toothed plate 73 can drive the positioning plate 72 to move upward at the same time, so that the positioning rod 71 can be driven to move out from the surface of the positioning groove 11, and then the user installs the dustproof net 22 along the stroke of the installation groove 21. After the dustproof net 22 is installed, the motor 42 is reversed, so that the positioning rod 71 can be driven back to the surface of the positioning groove 11 to fix the dustproof net 22, so that the two sides of the heat dissipation hole 102 can be dustproof, and the heat dissipation effect is not affected at the same time, so that the distribution box can be dustproof inside when in use.

[0041] In summary, the novel power distribution box for photovoltaic microgrid includes a distribution box body 1, a box body 101, a heat dissipation hole 102, a box door 103, a dustproof component 2, a mounting groove 21, a dustproof net 22, a groove 3, an output component 4, a fixing seat 41, a motor 42, an output rod 43, a dustproof strip 5, a rotating mechanism 6, a first pulley 61, a first belt 62, a second pulley 63, a positioning mechanism 7, a positioning rod 71, a positioning plate 72, a toothed plate 73, a gear 8, a vertical rod 9, a limit ring 10 and a fixed The coordinated use of the slots 11 solves the problem that most of the existing distribution boxes are placed outdoors when in use. In the outdoor environment, the air is full of various dust and particulate matter, which will be continuously deposited on the outer surface of the distribution box under the action of wind, and then enter the interior of the box through the gaps or openings of the distribution box. In addition, the current distribution box has poor sealing performance, the box door is not tightly sealed, and there is no dust-proof structure at the heat dissipation holes, which easily causes dust to accumulate inside the distribution box, affecting the performance of its internal electrical components.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel power distribution box for a photovoltaic microgrid, comprising a distribution box body (1), the distribution box body (1) comprising a box body (101), heat dissipation holes (102) and a box door (103), the heat dissipation holes (102) are both provided on the left and right sides of the box body (101), the left side of the box door (103) is movably connected to the front side of the box body (101) through a hinge, and is characterized in that: Dust-proof components (2) are provided on both the left and right sides of the box body (101); The dustproof component (2) comprises a mounting groove (21) and a dustproof net (22), two mounting grooves (21) and two dustproof nets (22) are provided, the two mounting grooves (21) are arranged on the left and right sides of the box body (101), and the surfaces of the two dustproof nets (22) are movably connected to the surfaces of the mounting grooves (21); The box body (101) is provided with grooves (3) on both left and right sides, an output assembly (4) is provided on the opposite side of the groove (3), and a rotating mechanism (6) and a positioning mechanism (7) are provided on the surface of the groove (3); The output assembly (4) comprises a fixing seat (41), a motor (42) and an output rod (43); the left side of the fixing seat (41) is fixedly mounted on the right side of the box body (101); the outer surface of the motor (42) is fixedly mounted on the inner surface of the fixing seat (41); and the left side of the output rod (43) penetrates into the interior of the groove (3).

2. A new type of power distribution box for photovoltaic microgrid as claimed in claim 1, characterized in that: A dustproof strip (5) is fixedly mounted on the front side of the box door (103), and the dustproof strip (5) is in a snap-fitting relationship with the front side of the box body (101).

3. A new type of power distribution box for photovoltaic microgrid as claimed in claim 1, characterized in that: The rotating mechanism (6) comprises a first pulley (61), a first belt (62) and a second pulley (63); the right side of the first pulley (61) is fixedly mounted on the left side of the output rod (43); the second pulley (63) is located in front of the first pulley (61); the surface of the second pulley (63) is movably connected to the surface of the first pulley (61) via the first belt (62); and the rear sides of the first pulley (61) and the second pulley (63) are movably connected to the surface of the groove (3) via a rotating shaft.

4. A new type of power distribution box for photovoltaic microgrid according to claim 1, characterized in that: The positioning mechanism (7) comprises a positioning rod (71), a positioning plate (72) and a tooth plate (73); the bottom of the positioning rod (71) penetrates to the bottom of the groove (3); the bottom of the positioning plate (72) is fixedly mounted on the top of the positioning rod (71); and the bottom of the tooth plate (73) is fixedly mounted on the top of the positioning plate (72).

5. A new type of power distribution box for photovoltaic microgrid as claimed in claim 3, characterized in that: The surface of the groove (3) is movably connected to a gear (8) via a rotating shaft, and the front side and surface of the gear (8) are meshed with the rear side of the second pulley (63) and the surface of the gear (8).

6. A new type of power distribution box for photovoltaic microgrid according to claim 1, characterized in that: A vertical rod (9) is fixedly mounted on the surface of the groove (3), and a limiting ring (10) is fixedly mounted on the top of the vertical rod (9).

7. A new type of power distribution box for photovoltaic microgrid as claimed in claim 4, characterized in that: A positioning groove (11) is provided on the top of the dustproof net (22), and the positioning groove (11) is used in conjunction with a positioning rod (71).

Images