Distributed photovoltaic power generation grid-connected box

Abstract

The utility model discloses a distributed photovoltaic power generation grid-connected box, which comprises a grid-connected box body and a heat dissipation mechanism, and is characterized in that the heat dissipation mechanism comprises a convex hull, a bent guide pipe, a fan A, a heat conduction pipe, a connecting pipe, a liquid storage box, a support foot plate, a liquid pipe, fins, a wall support plate and a fan B. The convex hull protrudes from the top of the grid-connected box body; the heat dissipation mechanism is arranged at the box body of the grid-connected box body, the heat dissipation mechanism can conduct heat in the grid-connected box body through cooperation of a heat conduction pipe and cooling liquid at the liquid storage box, and meanwhile the liquid storage box with fins is matched with a draught fan B to assist heat dissipation of the liquid storage box and the cooling liquid in the liquid storage box. And meanwhile, the fan A can pump and discharge heat in the grid-connected box body outwards at the bent guide pipe and the convex hull, and the heat in the grid-connected box body can be efficiently led out and dissipated, so that the heat dissipation efficiency and the operation stability of the grid-connected box in an outdoor high-temperature environment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the grid -connected box technical field especially relates to a kind of distributed photovoltaic power generation grid-connected box. BACKGROUND

[0002] Distributed photovoltaic power generation is a kind of new, environmental protection and has long-term development prospects of power generation system, and its stability, reliability and power supply distribution network power quality are guaranteed, so distributed photovoltaic power generation grid-connected box is often used to solve the problem of power consumption in construction engineering construction, electrical installation service and highway engineering supervision.

[0003] At present, distributed photovoltaic power generation grid-connected box is usually installed and used outdoors, and the electronic components inside the grid-connected box generate a large amount of heat when working, and the existing distributed photovoltaic power generation grid-connected box usually relies on heat dissipation holes and heat dissipation fans for heat dissipation. When the grid-connected box encounters external high temperature environment, the grid-connected box cannot guarantee its heat dissipation effect in high temperature environment only by heat dissipation holes and heat dissipation fans, thereby affecting the safe use of the grid-connected box. Therefore, we propose a kind of distributed photovoltaic power generation grid-connected box. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of distributed photovoltaic power generation grid-connected box, which is provided with a heat dissipation mechanism at the box body of the grid-connected box body. The heat dissipation mechanism can use heat pipes to conduct the heat in the grid-connected box body with the cooling liquid at the liquid storage tank. At the same time, the liquid storage tank with fins can assist the liquid storage tank and the cooling liquid in the tank to dissipate heat with the help of fan B. At the same time, fan A can also extract and exhaust the heat in the grid-connected box body at the elbow pipe and the convex bundle. The heat in the grid-connected box body can be efficiently extracted and dissipated, thereby improving the heat dissipation efficiency and operation stability of the grid-connected box body in outdoor high temperature environment, prolonging its service life, and effectively solving the problems in the background technology.

[0005] To achieve the above purpose, the utility model adopts the technical scheme that:

[0006] The utility model provides a kind of distributed photovoltaic power generation grid-connected box, including grid-connected box ontology, further including heat dissipation mechanism, the heat dissipation mechanism includes convex hull, bend pipe, fan A, heat pipe, connecting pipe, liquid storage tank, foot plate, liquid pipe, fin, wall support plate and fan B, the top of the grid-connected box ontology is convex with convex hull, and convex hull and the side of grid-connected box ontology are intercommunicated with bend pipe, the side of grid-connected box ontology below bend pipe is locked with fan A by bolt, and fan A is inserted with bend pipe at air inlet, the top of the grid-connected box ontology of one side of convex hull is provided with jack, and jack is inserted with heat pipe that extends into the grid-connected box ontology and is welded, the pipe opening of heat pipe is intercommunicated with liquid storage tank by connecting pipe, the top of the grid-connected box ontology outside convex hull and jack is welded with foot plate in four corners, and jack is locked with hole mounting plate by bolt at the foot plate above, the hole mounting plate is symmetrically welded below liquid storage tank, and the outer tank wall of liquid storage tank away from foot plate is convex with fin, the side of foot plate of one side of liquid storage tank is welded with wall support plate, and the surface of the plate body of wall support plate is locked with fan B by bolt.

[0007] Further, the air outlet of the fan B is directed towards the fin body between the fins, and the base of the fan B and the surface of the plate body of the wall support plate are provided with mounting holes for screwing bolts;

[0008] By adopting the above technical solution, the fan B installed at the wall support plate can blow air to the fins, thereby assisting the heat dissipation of the fins and the liquid storage tank and reducing the temperature of the cooling liquid inside the liquid storage tank.

[0009] Further, the surface of the plate body of the hole mounting plate and the foot plate is provided with threaded holes, and the threaded holes of the hole mounting plate and the foot plate are screwed with bolts;

[0010] By adopting the above technical solution, the threaded holes of the hole mounting plate and the foot plate can be locked with bolts.

[0011] Further, the diameter of the pipe body of the bend pipe is the same as the diameter of the shell cavity of the fan A, and the straight pipe body of the bend pipe is inserted into the shell cavity of the fan A;

[0012] By adopting the above technical solution, the straight pipe body of the bend pipe can be inserted into the air inlet shell cavity of the fan A for communication, facilitating the fan A to guide the heat inside the grid-connected box body outwards through the bend pipe and the convex hull.

[0013] Further, the package cavity is arranged in the package body of the convex hull, and the package cavity of the convex hull is intercommunicated with the grid-connected box body and the bend pipe;

[0014] By adopting the above technical solution, the convex hull is intercommunicated with the grid-connected box body and the bend pipe through its own package cavity, facilitating the hot air to be guided outwards.

[0015] Further, the four groups of plate bodies of the foot plates are welded with top protection plates on top, and the surfaces of the top protection plates are bonded with heat insulation felt, and the felt bodies of the heat insulation felt are hung to shield the back of the liquid storage tank;

[0016] By adopting the above technical scheme, the top protection plates welded on top of the foot plates can shield the fan B and the liquid storage tank, and the heat insulation felt at the top protection plates can shield the top protection plates and the liquid storage tank outside to prevent sun exposure and heat insulation.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] The utility model discloses a heat dissipation mechanism is arranged at the box body of the grid-connected box body, and the heat dissipation mechanism can utilize the heat pipe to cooperate the cooling liquid at the liquid storage tank to conduct the heat in the grid-connected box body, and the liquid storage tank with the fin can assist the liquid storage tank and the cooling liquid in the tank to radiate heat with the cooperation of fan B, and fan A can also draw and discharge the heat in the grid-connected box body outward at the bent lead pipe and the convex bundle, can efficiently lead out and radiate the heat in the grid-connected box body, thereby improve the heat dissipation efficiency and operating stability of the grid-connected box body under the outdoor high temperature environment, and also prolong the service life thereof.

[0019] And the top protection plates welded on top of the foot plates and the heat insulation felt bonded on the surfaces provide effective sun protection and heat insulation protection for the liquid storage tank and fan B, which not only can prevent high temperature from causing damage to the equipment, but also can improve the operating efficiency of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model discloses a kind of distributed photovoltaic power generation grid-connected box.

[0021] Figure 2 It is the top protection plate and foot plate split schematic diagram of the utility model discloses a kind of distributed photovoltaic power generation grid-connected box.

[0022] Figure 3 It is the heat dissipation mechanism explosion view of the heat dissipation mechanism of the utility model discloses a kind of distributed photovoltaic power generation grid-connected box.

[0023] Figure 4 It is the convex bundle sectional view of the utility model discloses a kind of distributed photovoltaic power generation grid-connected box.

[0024] In the drawing: 1, grid-connected box body;2, heat dissipation mechanism;3, convex bundle;4, bent lead pipe;5, fan A;6, jack;7, heat pipe;8, connecting pipe;9, liquid storage tank;10, foot plate;11, hole plate;12, liquid pipe;13, fin;14, wall support plate;15, fan B;16, top protection plate;17, heat insulation felt. DETAILED DESCRIPTION

[0025] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] As shown in Figures 1-4 A kind of distributed photovoltaic power generation grid-connected box, including grid-connected box body 1, further including heat dissipation mechanism 2, the heat dissipation mechanism 2 includes convex hull 3, bend pipe 4, fan A 5, heat pipe 7, connecting pipe 8, liquid storage tank 9, foot plate 10, liquid pipe 12, fin 13, wall support plate 14 and fan B 15, the top of the grid-connected box body 1 is protruded with convex hull 3, and convex hull 3 and the side of grid-connected box body 1 are interconnected with bend pipe 4, the side of grid-connected box body 1 below bend pipe 4 is locked with fan A 5 by bolt, and fan A 5 is inserted into bend pipe 4 at air inlet, the top end of the grid-connected box body 1 of one side of convex hull 3 is provided with jack 6, and heat pipe 7 that extends into the grid-connected box body 1 is inserted and welded in jack 6, the pipe orifice of heat pipe 7 is interconnected with liquid storage tank 9 by connecting pipe 8, the top four corners of the grid-connected box body 1 outside convex hull 3 and jack 6 are welded with foot plate 10, and hole mounting plate 11 is locked by bolt at the foot plate 10 above jack 6, hole mounting plate 11 is symmetrically welded below liquid storage tank 9, and fin 13 is protruded at the outer tank wall of liquid storage tank 9 away from foot plate 10, wall support plate 14 is welded at the side surface of foot plate 10 of one side of liquid storage tank 9, and fan B 15 is locked by bolt on the surface of the plate body of wall support plate 14.

[0027] Wherein, the air outlet of fan B 15 is towards the sheet body between fin 13, and the mounting hole for screwing bolt is formed on the surface of the plate body of wall support plate 14 and the base of fan B 15;

[0028] By adopting the above technical scheme, fan B 15 can blow fin 13 after being installed at wall support plate 14, so as to assist the heat dissipation of fin 13 and liquid storage tank 9, and reduce the temperature of cooling liquid inside liquid storage tank 9.

[0029] Wherein, the surface of the plate body of hole mounting plate 11 and foot plate 10 is provided with threaded hole, and the threaded hole of hole mounting plate 11 and foot plate 10 is screwed with bolt;

[0030] By adopting the above technical scheme, the threaded hole of hole mounting plate 11 and foot plate 10 can be locked by screwing bolt.

[0031] Wherein, the diameter of the pipe body of bend pipe 4 is same with the diameter of the shell cavity of fan A 5, and the straight pipe body of bend pipe 4 is inserted into the shell cavity of fan A 5;

[0032] By adopting the above technical scheme, the straight pipe body of the bending and leading pipe 4 can be inserted into the air inlet shell cavity of the fan A5 for communication, so that the fan A5 can draw out the heat in the grid-connected box body 1 to the outside through the bending and leading pipe 4 and the convex package 3.

[0033] The package cavity of the convex package 3 is in communication with the grid-connected box body 1 and the bending and leading pipe 4.

[0034] By adopting the above technical scheme, the convex package 3 is in communication with the grid-connected box body 1 and the bending and leading pipe 4 through the package cavity, so that the hot air can be drawn out to the outside.

[0035] The top protection plate 16 is welded on the top of the four groups of plate bodies of the supporting leg plate 10, and the heat insulation felt 17 is attached to the surface of the top protection plate 16, and the felt body of the heat insulation felt 17 falls and shields the back of the liquid storage tank 9.

[0036] By adopting the above technical scheme, the top protection plate 16 welded on the top of the supporting leg plate 10 can shield and protect the fan B15 and the liquid storage tank 9, and the heat insulation felt 17 at the top protection plate 16 can shield and protect the top protection plate 16 and the liquid storage tank 9 outside.

[0037] It should be noted that the utility model is a kind of distributed photovoltaic power generation grid-connected box, heat dissipation mechanism 2 is arranged at the box body of grid-connected box body 1, after the convex package 3 and supporting leg plate 10 of heat dissipation mechanism 2 are arranged at grid-connected box body 1, heat pipe 7 can be inserted into grid-connected box body 1 from jack 6 below the connecting pipe 8 of liquid storage tank 9, then heat pipe 7 can be welded and fixed at grid-connected box body 1, then hole mounting plate 11 of liquid storage tank 9 can be locked on the surface of supporting leg plate 10 by bolt to obtain support, then the bending and leading pipe 4 of convex package 3 and grid-connected box body 1 can be clamped fan A5, and fan A5 is locked on the surface of grid-connected box body 1 by bolt, while fan B15 can be locked on the surface of wall supporting plate 14 outside supporting leg plate 10 by bolt, then fan A5 and fan B15 can be connected to external controller to open as required, while after injecting cooling liquid into liquid storage tank 9 from liquid pipe 12, rubber plug is plugged into liquid pipe 12 to seal, cooling liquid can enter heat pipe 7 along connecting pipe 8 in liquid storage tank 9, and the heat in grid-connected box body 1 can be conducted into cooling liquid at heat pipe 7, then fan B15 can blow air to fin 13, to assist the heat dissipation of fin 13 and liquid storage tank 9, reduce the temperature of cooling liquid in liquid storage tank 9, to reduce the heat in grid-connected box body 1, while fan A5 can draw out the hot air stream rising in grid-connected box body 1 from bending and leading pipe 4 and convex package 3, to improve the heat of grid-connected box body 1, the cooling liquid in liquid storage tank 9 can be selected from existing cooling liquid on the market as required, and the cooling liquid in liquid storage tank 9 can also be regularly replaced or supplemented by using liquid pump.

[0038] It should be noted that the utility model is a kind of distributed photovoltaic power generation grid-connected box, components in the utility model are components known to those skilled in the art, and its structure and principle are known to those skilled in the art through technical manual or known through conventional experimental method.

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A distributed photovoltaic power generation grid-connected box, comprising a grid-connected box body (1), characterized in that: Also include heat dissipation mechanism (2), the heat dissipation mechanism (2) includes convex (3), elbow (4), fan A (5), heat pipe (7), connecting pipe (8), liquid storage tank (9), foot plate (10), liquid pipe (12), fin (13), wall support plate (14) and fan B (15), the top of the grid-connected box body (1) is convex convex (3), and the convex (3) and one side of the grid-connected box body (1) are interpenetrated with elbow (4), the side of the grid-connected box body (1) below the elbow (4) is locked with fan A (5) by bolt, and the air inlet of fan A (5) is inserted with elbow (4), the top of the grid-connected box body (1) on one side of the convex (3) is provided with a jack (6), and the jack (6) is inserted and welded with heat pipe (7) extending into the grid-connected box body (1), the pipe opening of the heat pipe (7) is interpenetrated with liquid storage tank (9) through connecting pipe (8), the top of the grid-connected box body (1) outside the convex (3) and jack (6) is welded with foot plate (10) at four corners, and the hole mounting plate (11) is locked above the foot plate (10) of the jack (6) by bolt, the hole mounting plate (11) is symmetrically welded below the liquid storage tank (9), and the outer tank wall of the liquid storage tank (9) away from the foot plate (10) is convex with fin (13), the side surface of the foot plate (10) on one side of the liquid storage tank (9) is welded with wall support plate (14), and the surface of the plate body of the wall support plate (14) is locked with fan B (15) by bolt.

2. The distributed photovoltaic power generation grid-connected box according to claim 1, characterized in that: The air outlet of the fan B (15) faces between the sheet bodies of the fin (13), and the mounting hole for screwing the bolt is formed in the base of the fan B (15) and the surface of the plate body of the wall support plate (14).

3. The distributed photovoltaic power generation grid-connected box according to claim 1, characterized in that: The surface of the plate body of the hole mounting plate (11) and the foot plate (10) is provided with a threaded hole, and the threaded holes of the hole mounting plate (11) and the foot plate (10) are screwed with a bolt.

4. The distributed photovoltaic power generation grid-connected box according to claim 1, characterized in that: The pipe body diameter of the elbow (4) is the same as the shell cavity diameter of the fan A (5), and the straight pipe body of the elbow (4) is inserted into the shell cavity of the fan A (5).

5. The distributed photovoltaic power generation grid-connected box according to claim 1, characterized in that: The package cavity is arranged in the package body of the convex (3), and the package cavity of the convex (3) is interpenetrated with the grid-connected box body (1) and the elbow (4).

6. The distributed photovoltaic power generation grid-connected box according to claim 1, characterized in that: Four groups of plate bodies of the foot plate (10) are welded with top guard plates (16), and the surface of the top guard plate (16) is bonded with thermal insulation felt (17), and the felt body of the thermal insulation felt (17) falls and blocks the back of the liquid storage tank (9).

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