Photovoltaic flame-retardant diode

Abstract

The utility model relates to the technical field of photovoltaic equipment, and discloses a photovoltaic flame-retardant diode which comprises a base, the middle of the top end of the base is fixedly connected with an anti-reverse-charging diode, the top of the base is provided with a shell, the top of the inner wall of the shell is rotatably connected with a hood, the bottom of the hood is fixedly connected with a first rotating wheel, and the bottom of the hood is fixedly connected with a second rotating wheel. Second rotating wheels are rotationally connected to the left side and the right side of the top of the inner wall of the shell correspondingly, a belt is arranged on the outer side of the first rotating wheel, and the first rotating wheel is in transmission connection with the second rotating wheels through the belt. The air cap and the rotating wheel are driven by air flow to rotate to enable the fan blades to rotate to promote air flow circulation, the heat dissipation plate absorbs heat without power, the heat dissipation plate and the fan blades achieve multi-stage heat dissipation to cool the device, the rotating toothed bar drives the conical gear ring, the second gear and the threaded sleeve to rotate, and the threaded rod and the shell are moved through threaded connection. The shell can be taken out to clean and maintain the internal structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic equipment technical field especially relates to a photovoltaic use flame -retardant diode. BACKGROUND

[0002] The photovoltaic equipment is the device for solar photovoltaic power generation equipment, wherein the core solar cell panel utilizes the photoelectric effect of semiconductor to convert sunlight into electric energy, in order to prevent the diode for preventing reverse charging inside from aging due to high temperature when working, a photovoltaic use flame -retardant diode needs to be used.

[0003] Through the search, the patent announcement number of China is CN203325896U, and a kind of anti-reverse charging photovoltaic diode is disclosed, including the shell with two terminal blocks, the terminal block is set in the shell one end is L-shaped, chip is arranged between two terminal blocks, the chip is fixed on terminal block by soldering sheet.The diode of this scheme increases the heat dissipation area, beneficial to photovoltaic diode heat dissipation, terminal block is terminal board, and terminal board has fixing hole, so that photovoltaic diode can be firmly fixed, ensure the normal work of photovoltaic terminal box, but in actual use, the device is cooled by increasing the heat dissipation area, but the passive cooling mode is not good in the heat dissipation effect after long-term work, and the device will still be aged due to heat accumulation after long time work, thereby the reliability of device is reduced. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of photovoltaic use flame -retardant diode, to improve the problem of poor heat dissipation effect of diode by passive heat dissipation in prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of photovoltaic use flame -retardant diode, including base, the top middle part of the base is fixedly connected with anti-reverse charging diode, the top of the base is provided with shell, the inner wall top of the shell is rotatably connected with wind cap, the bottom of the wind cap is fixedly connected with first rotating wheel, the inner wall top of the shell is rotatably connected with second rotating wheel on left and right sides, the outer side of the first rotating wheel is provided with belt, the first rotating wheel is transmissionally connected with the second rotating wheel by the belt, the bottom of the second rotating wheel is fixedly connected with fan blade, the inner wall middle part of the shell is fixedly connected with heat dissipation plate, the inner side of the base is provided with dismounting mechanism, and the dismounting mechanism is used to dismount the device.

[0006] Through the above technical scheme: airflow drives wind cap rotation through belt to make two wheels rotate, drives fan blade rotation to promote airflow to cool heat dissipation plate, heat dissipation plate absorbs diode heat without power, relies on heat dissipation plate and fan blade to multi-stage cool device.

[0007] As further description of the above technical scheme:

[0008] The disassembling mechanism comprises a first gear rotatably connected to the middle part of the bottom end of the inner wall of the base, a second gear rotatably connected to the bottom of the inner wall of the base, the first gear and the second gear being in meshing connection, a conical gear ring fixedly connected to the top of the first gear, a conical gear rod rotatably connected to the front side of the inner wall of the base, the conical gear rod and the conical gear ring being in meshing connection, a threaded sleeve fixedly connected to the top of the second gear and penetrating through the base, and threaded rods fixedly connected to the periphery of the inner wall of the base, the threaded sleeve and the threaded rods being in threaded connection.

[0009] Through the above technical scheme, the conical gear ring is driven to rotate by the meshing transmission of the rotating gear rod, which drives the second gear and the threaded sleeve to rotate, and the threaded rods and the shell are moved up and down through the threaded connection, and the shell is taken out for cleaning and maintenance of the internal structure.

[0010] As a further description of the above technical scheme:

[0011] The outer wall of the base is fixedly connected with positioning blocks around the bottom, and the inner side of the positioning block is provided with a positioning hole.

[0012] Through the above technical scheme, the device can be fixed through the positioning hole on the positioning block.

[0013] As a further description of the above technical scheme:

[0014] The front side of the base is rotatably connected with a knob, and the rear side of the knob penetrates through the base and is fixedly connected with the conical gear rod.

[0015] Through the above technical scheme, the knob can be operated to facilitate the rotation of the conical gear rod.

[0016] As a further description of the above technical scheme:

[0017] The top of the base is fixedly connected with sliding blocks around the periphery, the outer wall of the shell is provided with sliding grooves around the periphery, and the sliding blocks and the sliding grooves are in sliding connection.

[0018] Through the above technical scheme, the stability of the shell when moving up and down can be improved to facilitate the positioning and removal of the shell.

[0019] As a further description of the above technical scheme:

[0020] The top end of the shell is fixedly connected with a sealing cover, the sealing cover is rotatably connected with the air cap, and the outer wall of the sealing cover is fixedly connected with sealing rings on the upper and lower sides.

[0021] Through the above technical scheme, the sealing property of the air cap can be improved, and the utilization rate of airflow by the high air cap can be improved.

[0022] As a further description of the above technical solutions:

[0023] The outer wall of the base is provided with a reserved frame on the front and rear sides, and the inner side of the reserved frame is fixedly connected with a ventilation cover.

[0024] Through the above technical solutions: the ventilation effect of the device can be improved, and the accumulation of heat can be reduced.

[0025] As a further description of the above technical solutions:

[0026] The outer wall of the heat dissipation plate is provided with a ventilation hole around, and the inner side of the ventilation hole is fixedly connected with a heat pipe.

[0027] Through the above technical solutions: the heat dissipation effect inside the device can be improved, and the cooling effect of the device can be enhanced.

[0028] The utility model has the following beneficial effects:

[0029] 1、The utility model discloses a heat dissipation plate is cooled down to the heat dissipation plate adsorbs the working heat of antireflection charging diode, and does not need power, and the heat dissipation plate and the fan blade can carry out multistage heat dissipation to the device.

[0030] 2、The utility model discloses a heat dissipation plate is cooled down to the heat dissipation plate adsorbs the working heat of antireflection charging diode, and does not need power, and the heat dissipation plate and the fan blade can carry out multistage heat dissipation to the device. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of a photovoltaic flame-retardant diode is provided for the utility model;

[0032] Figure 2 A front view of a photovoltaic flame-retardant diode is provided for the utility model;

[0033] Figure 3 A top view of a photovoltaic flame-retardant diode is provided for the utility model;

[0034] Figure 4 A partial structure explosion diagram of a photovoltaic flame-retardant diode is provided for the utility model;

[0035] Figure 5 A dismounting mechanism schematic view of a photovoltaic flame-retardant diode is provided for the utility model.

[0036] LEGEND:

[0037] 1, base; 2, dismounting mechanism; 201, first gear; 202, second gear; 203, conical gear ring; 204, conical gear bar; 205, threaded sleeve; 206, threaded rod; 3, reverse prevention diode; 4, shell; 5, air cap; 6, first rotating wheel; 7, second rotating wheel; 8, belt; 9, fan blade; 10, heat sink; 11, air hole; 12, heat pipe; 13, knob; 14, positioning block; 15, positioning hole; 16, sliding block; 17, sliding groove; 18, sealing cover; 19, sealing ring; 20, reserved frame; 21, ventilation cover. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0039] With reference to Figure 1 , Figure 3 and Figure 4 , an embodiment provided by the utility model: a kind of photovoltaic flame-retardant diode, including base 1, the top middle part of base 1 is fixedly connected with reverse prevention diode 3, the top of base 1 is provided with shell 4, the inner wall top of shell 4 is rotatably connected with air cap 5, the bottom of air cap 5 is fixedly connected with first rotating wheel 6, can be rotated with air cap 5 with wind power blowing can drive first rotating wheel 6 to rotate, the left and right sides of the inner wall top of shell 4 are rotatably connected with second rotating wheel 7, the outside of first rotating wheel 6 is provided with belt 8, can drive second rotating wheel 7 to rotate when first rotating wheel 6 rotates by belt 8, first rotating wheel 6 is transmission connection with second rotating wheel 7 by belt 8, the bottom of second rotating wheel 7 is fixedly connected with fan blade 9, the middle part of the inner wall of shell 4 is fixedly connected with heat sink 10, the inner side of base 1 is provided with dismounting mechanism 2, and dismounting mechanism 2 is used to dismount the device;

[0040] Specifically, with the circulation of external airflow, air cap 5 can be rotated, then first gear 6 can be rotated by the effective transmission of belt 8 and air cap 5, second rotating wheel 7 can be rotated, thereby fan blade 9 on second rotating wheel 7 is rotated, further promote the circulation of airflow more efficiently, realize the cooling of heat sink 10, and heat sink 10 can absorb the heat generated by reverse prevention diode 4 during operation, and cooperate with the heat dissipation of fan blade 9, so that the device can be multi-stage cooled by heat sink 10 and fan blade 9 without additional power, to ensure stable operation of the device.

[0041] With reference to Figure 4 and Figure 5, the dismounting mechanism 2 comprises a first gear 201 rotatably connected to the middle part of the bottom of the inner wall of the base 1, second gears 202 rotatably connected to the periphery of the bottom of the inner wall of the base 1, the first gear 201 being in meshing connection with the second gears 202, the rotation of the first gear 201 being capable of driving the rotation of the second gears 202, the top of the first gear 201 being fixedly connected with a conical gear ring 203, the front side of the inner wall of the base 1 being rotatably connected with a conical gear rod 204, the conical gear rod 204 being in meshing connection with the conical gear ring 203, the rotation of the conical gear rod 204 being capable of driving the rotation of the conical gear ring 203 through meshing transmission, the top of the second gear 202 penetrating through the base 1 and being fixedly connected with a threaded sleeve 205, the periphery of the inner wall of the base 1 being fixedly connected with threaded rods 206, the threaded sleeve 205 being in threaded connection with the threaded rods 206, the rotation of the threaded sleeve 205 being capable of driving the movement of the threaded rods 206 through threaded connection;

[0042] Specifically, when the tooth rod 204 is rotated, the conical gear ring 203 can be driven to rotate through the precise meshing transmission mechanism, with the rotation of the conical gear ring 203, the second gear 202 is driven to rotate, and the threaded sleeve 205 above it is also driven to rotate, at this time, the threaded rods 206 and the shell 4 above them are driven to move up and down through the connection between the threads, and then the shell 4 is smoothly taken out of the base 1, so that the staff can clean and maintain the structure inside it in an all-round way.

[0043] With reference to Figure 1 , Figure 2 and Figure 5 , the periphery of the bottom of the outer wall of the base 1 is fixedly connected with positioning blocks 14, the inner side of the positioning block 14 is provided with a positioning hole 15, the device can be fixed by installing a threaded part in the positioning hole 15; the middle part of the front side of the base 1 is rotatably connected with a knob 13, the rear side of the knob 13 penetrates through the base 1 and is fixedly connected with the conical gear rod 204, which can facilitate the rotation of the conical gear rod 204; the periphery of the top of the base 1 is fixedly connected with sliding blocks 16, the periphery of the outer wall of the shell 4 is provided with sliding grooves 17, the sliding blocks 16 are in sliding connection with the sliding grooves 17, which can improve the stability of the shell 4 when moving;

[0044] Specifically, by installing a threaded part in the positioning hole 15 in the positioning block 14, the device can be disassembled and assembled through the fixation of the threaded part, the knob 13 can facilitate the rotation of the conical gear rod 204, and the sliding of the sliding blocks 16 and the sliding grooves 17 can improve the stability of the shell 4 when moving.

[0045] With reference to Figure 2 , Figure 3 and Figure 4The middle of the top end of the shell 4 is fixedly connected with a sealing cover 18, the sealing cover 18 is rotatably connected with the air cap 5, the outer wall of the sealing cover 18 is fixedly connected with a sealing ring 19 on the upper side and the lower side, the sealing property of the air cap 5 during rotation can be improved, the device can be conveniently held and carried; the outer wall of the base 1 is provided with a reserved frame 20 on the front side and the rear side, the inner side of the reserved frame 20 is fixedly connected with a ventilation cover 21, the heat dissipation effect can be improved; the outer wall of the heat dissipation plate 10 is provided with a ventilation hole 11 around, the inner side of the ventilation hole 11 is fixedly connected with a heat pipe 12, the device can be assisted to dissipate heat.

[0046] Specifically, the sealing property of the sealing cover 18 and the sealing ring 19 can improve the sealing property of the air cap 5 during rotation, improve the utilization rate of the airflow, the ventilation cover 21 in the reserved frame 20 can improve the circulation effect of the airflow to facilitate heat dissipation inside the device, and the heat pipe 12 installed in the ventilation hole 11 can assist the heat dissipation plate 10 to improve the heat dissipation effect.

[0047] Working principle: Before using the device, first of all, during the operation of the device, the circulation of the airflow has the ability to drive the air cap 5 to rotate, through the transmission effect of the belt 8, the first rotating wheel 6 and the second rotating wheel 7 can be rotated, thereby driving the fan blade 9 to rotate, so that the airflow circulates more smoothly, and the heat dissipation plate 10 can effectively cool down, and the heat dissipation plate 10 has the function of absorbing the heat generated by the anti-reverse charging diode 4 during work, without the intervention of additional power, the synergistic effect of the heat dissipation plate 10 and the fan blade 9 can realize multi-stage heat dissipation of the whole device, and guarantee the stable operation and good heat dissipation effect of the device.

[0048] When it is necessary to clean and maintain the inside of the device, the toothed rod 204 is rotated, through the special meshing transmission mode, the conical tooth ring 203 can be driven to rotate, with the rotation of the conical tooth ring 203, on the one hand, the second gear 202 can be driven to rotate, on the other hand, the threaded sleeve 205 located on the second gear 202 can also be driven to rotate, through the connection relationship between the threads, the threaded rod 206 and the shell 4 above it can be moved up and down, through such an operation mode, the shell 4 can be smoothly taken out of the base 1, thereby providing convenient conditions for cleaning and maintaining the structure inside, ensuring the cleanliness and normal operation of the internal structure of the device, and prolonging the service life of the device.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A flame-retardant diode for photovoltaic applications, comprising a base (1), characterized in that: A reverse charging diode (3) is fixedly connected to the top center of the base (1). A shell (4) is provided on the top of the base (1). A hood (5) is rotatably connected to the top of the inner wall of the shell (4). A first rotating wheel (6) is fixedly connected to the bottom of the hood (5). A second rotating wheel (7) is rotatably connected to the left and right sides of the top of the inner wall of the shell (4). A belt (8) is provided on the outer side of the first rotating wheel (6). The first rotating wheel (6) is connected to the second rotating wheel (7) through the belt (8). A fan blade (9) is fixedly connected to the bottom of the second rotating wheel (7). A heat sink (10) is fixedly connected to the middle of the inner wall of the shell (4). A disassembly and assembly mechanism (2) is provided on the inner side of the base (1). The disassembly and assembly mechanism (2) is used to disassemble and assemble the device.

2. The flame-retardant diode for photovoltaic applications according to claim 1, characterized in that: The disassembly and assembly mechanism (2) includes a first gear (201), which is rotatably connected to the middle of the bottom of the inner wall of the base (1). A second gear (202) is rotatably connected to the bottom of the inner wall of the base (1). The first gear (201) meshes with the second gear (202). A conical toothed ring (203) is fixedly connected to the top of the first gear (201). A conical toothed rod (204) is rotatably connected to the front side of the inner wall of the base (1). The conical toothed rod (204) meshes with the conical toothed ring (203). The top of the second gear (202) passes through the base (1) and is fixedly connected to a threaded sleeve (205). A threaded rod (206) is fixedly connected to the inner wall of the base (1). The threaded sleeve (205) is threadedly connected to the threaded rod (206).

3. A flame-retardant diode for photovoltaic applications according to claim 1, characterized in that: The base (1) has positioning blocks (14) fixedly connected to the bottom of the outer wall around the perimeter, and positioning holes (15) are provided on the inner side of the positioning blocks (14).

4. A flame-retardant diode for photovoltaic applications according to claim 2, characterized in that: A knob (13) is rotatably connected to the center of the front side of the base (1), and the rear side of the knob (13) passes through the base (1) and is fixedly connected to the conical toothed rod (204).

5. A flame-retardant diode for photovoltaic applications according to claim 1, characterized in that: The base (1) has sliders (16) fixedly connected to the top of the four sides, and the outer wall of the outer shell (4) has grooves (17) on all four sides. The sliders (16) are slidably connected to the grooves (17).

6. A flame-retardant diode for photovoltaic applications according to claim 1, characterized in that: A sealing cover (18) is fixedly connected to the top center of the outer shell (4). The sealing cover (18) is rotatably connected to the wind cap (5). Sealing rings (19) are fixedly connected to the upper and lower sides of the outer wall of the sealing cover (18).

7. A flame-retardant diode for photovoltaic applications according to claim 1, characterized in that: The base (1) has a reserved frame (20) on both the front and rear sides of its outer wall, and a ventilation hood (21) is fixedly connected to the inner side of the reserved frame (20).

8. A flame-retardant diode for photovoltaic applications according to claim 1, characterized in that: Ventilation holes (11) are provided around the outer wall of the heat sink (10), and heat pipes (12) are fixedly connected to the inner side of the ventilation holes (11).

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