KR102081621B1 - Connection board for solar photovoltaic power generator with improved heat dissipation performance - Google Patents

Abstract

The present invention relates to a connection board for a photovoltaic device with improved heat dissipation performance by emitting heat generated by a diode to the outside to cool the inside while fixing fuses to be spaced apart from each other during moving to prevent sparking, thereby preventing fire and breakdown. The present invention provides a connection board for a photovoltaic device comprising: a plurality of fuse connectors (10) with a fuse connected to a power line to receive a current generated and output from a solar panel; a plurality of diodes (30) each connected in series through the fuse and connection plate (20); a body (100) having one side opened while a certain space is formed to include a surge protector (60) connected between a main circuit breaker (40) and a ground (50) for controlling power; an opening and closing door (200) for opening and closing an opened one side of the body (100); a heat sink (300) detachably attached to the other side of the body (100) and having one side installed with the diode (30) and the other side on which a plurality of heat sink fins are formed; and a connector holder (400) installed inside the body (100) and bent at both side in a width direction of a U-shaped base portion (410) having a certain length with a heat radiation groove (411) formed therein in order to fasten the fuse connector (10) and formed of an installation portion (420) with an installation hole (421) formed to be installed through an installation member on the other side of the body (100).

Description

CONNECTION BOARD FOR SOLAR PHOTOVOLTAIC POWER GENERATOR WITH IMPROVED HEAT DISSIPATION PERFORMANCE}

The present invention relates to a connection panel for a photovoltaic device having improved heat dissipation performance, and more particularly, to generate a spark by fixing the fuses to be spaced apart from each other while moving while cooling the inside by dissipating heat generated from a diode to the outside. The present invention relates to a connection panel for a photovoltaic device having improved heat dissipation performance which can prevent fire and failure.

Recently, due to environmental pollution or lack of resources, interest in renewable energy such as solar power, wind power, and hydro power is on the rise.

In particular, photovoltaic power generation is pollution-free and can be installed at a required capacity in a capacity as needed, and is easy to maintain because it is easy to maintain, has almost no failure, and has a life span of several decades.

The photovoltaic power generation may include a plurality of solar panels, a connection panel connected to the solar panels to collect electricity, and an inverter converting DC power into AC power.

The connection panel is configured to receive DC power through a plurality of input channels connected to each of the solar panels, integrate them into one output, transmit the power to an inverter, and convert the power into a commercial power source to provide a load.

In addition, the connection panel has an internal temperature rising to a high temperature due to external heat such as sunlight and internal heat generated from the substrate accommodated therein. However, the connection panel does not have a separate configuration for cooling the interior, there is a problem that shorten the life of the components, such as diodes mounted on the substrate or failure is likely to occur.

In order to solve the above problems, as described in Korean Patent No. 10-1904361 (Registration Date: September 27, 2018), at least two heat radiation fins divided into a plurality of reverse voltage prevention diodes connected in parallel are And a spacer inserted between the heat dissipation fins and a thermoelectric element inserted between the heat dissipation fins and the reverse voltage preventing diode, wherein the temperature is preset between the divided heat dissipation fins. In the above case, a melted and broken temperature fuse may be connected and the spacer may be a connection panel cooling device for a photovoltaic device, characterized in that the spacer is made of a polymer material having elasticity.

However, the registered patent may help to cool the connection panel, but the fuses may be adjacent to each other during assembly or movement, and sparks may occur in a high voltage line, which may cause a fire.

Therefore, there is a demand for a method of preventing the fuses from adjoining each other while assembling or moving while rapidly dissipating heat generated from the diode to the outside and cooling the inside.

The present invention has been proposed to solve the above problems, by installing a diode in a heat sink with a heat dissipating fin protruded to the outside for fast dissipation of heat generated from the diode to the solar power generation device improved connection The purpose is to provide a class.

In addition, an object of the present invention is to provide a connection panel for a photovoltaic device having improved heat dissipation performance capable of keeping the fuses spaced apart from each other to prevent fuse fuses having built-in fuses from being adjacent to each other even during assembly or movement.

In addition, an object of the present invention is to provide a connection panel for a photovoltaic device having improved heat dissipation performance which can prevent disconnection by fixing the positions of the fuse connectors fastened to be spaced apart from each other.

Tasks to be solved by the present invention are not limited to the above-mentioned problems, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

According to an embodiment of the present invention, a connection panel for a photovoltaic device having improved heat dissipation performance includes a plurality of fuse connectors 10 in which a fuse is connected to a power line for receiving current generated and output from a solar panel. And a plurality of diodes 30 connected in series through the fuse and the connecting plate 20, and a surge protector 60 connected between the main circuit breaker 40 and the ground 50 for controlling power. The body 100 having one side opened while a predetermined space is formed therein, the opening and closing door 200 for opening and closing the opened one side of the body 100, and one side detachable from the other side of the body 100. The heat dissipation groove 300 is installed in the diode 30 and the heat dissipation plate 300 having a plurality of heat dissipation fins formed on the other side, and the body 100 and fastened to the fuse connector 10. U-shaped with constant length It includes a connector holder 400 formed of an installation portion 420 formed in the installation hole 421 to be bent at both sides of the base portion 410 in the width direction to be installed through the installation member on the other side of the body 100 In the solar panel connection panel, the connector holder 400, the heat dissipation groove 411 of the base portion 410 is installed so as to face the other side of the body 100, the base portion 410 In order to fasten the fuse connector 10 to the outside of the plurality of fastening holes 415 are formed in both sides of the heat dissipation groove 411 spaced apart from each other at regular intervals, the fuse connector 10, It is formed in the lower center portion to be in close contact with the outer side of the base portion 410 and the mounting groove 11 is formed to protrude in the direction of the mounting groove 11 from one side of the lower longitudinal direction and one side of the base portion 410 It is drawn into the fastening hole 415 formed in the caught in the base portion 410 And a fixing jaw 12 for protruding from each other, and a protrusion jaw 13 protruding from the other end in the lower longitudinal direction so as to correspond to the fixing jam jaw 12. The flow catching member 14 for flowing in the direction of the seating groove 11 by the elastic force of the spring 15 is drawn into the fastening hole 415 formed on the other side of the 410 to be caught by the base portion 410 do.

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As described above, according to the present invention, by installing a diode on the heat sink with the heat dissipation fin protruding to the outside, the heat generated from the diode can be discharged quickly and efficiently, so that the heat dissipation time can be shortened and the internal temperature is increased. This prevents the failure and shortening of the life of the parts.

In addition, since the fuse connectors with fuses can be kept spaced apart from each other during assembly or movement, the fuse connectors are not adjacent to each other, thereby preventing sparks from occurring and preventing fire.

In addition, by fixing the position of the fuse connector fastened in the spaced apart state there is an effect that can prevent the disconnection to improve the quality of the product.

1 is an internal block diagram of a connection panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention;
2 is a fuse connector of a connection panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention;
Figure 3 is a front view of the body of the connection panel for the solar cell apparatus improved heat radiation performance according to an embodiment of the present invention,
Figure 4 is a rear view of the body showing the heat sink of the connection panel for a photovoltaic device with improved heat dissipation performance according to an embodiment of the present invention,
5 is a side view showing a heat sink of the connection panel for a photovoltaic device with improved heat dissipation performance according to an embodiment of the present invention,
6 is a connector holder of a connection panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention;
7 is a view illustrating a fuse connector fastened to a connector holder of a connection panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention;
8 is a state in which the fuse connector of the connection panel for the photovoltaic device with improved heat dissipation performance according to an embodiment of the present invention is fastened.

Hereinafter, with reference to the accompanying drawings will be described in detail the connection panel for a photovoltaic device improved heat radiation performance according to the present invention.

1 is an internal block diagram of a connection panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention, and FIG. 2 is a fuse of a panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention. 3 is a front view of a connection panel for a photovoltaic device having improved heat dissipation performance according to an embodiment of the present invention.

In addition, Figure 4 is a rear view of the body showing the heat sink of the connection panel for the solar cell apparatus improved heat dissipation performance according to an embodiment of the present invention, Figure 5 is a solar light improved heat dissipation performance according to an embodiment of the present invention Figure 6 is a side view of the body of the heat sink of the connection panel for the power generation device, Figure 6 is a connector holder of the connection panel for a photovoltaic device with improved heat dissipation performance according to an embodiment of the present invention, Figure 7 is according to an embodiment of the present invention FIG. 8 is a state diagram illustrating a fuse connector fastened to a connector holder of a solar panel connection panel having improved heat dissipation performance, and FIG. 8 is a fuse connector of a solar panel connection panel improved in heat dissipation performance according to an embodiment of the present invention. It is also a state of use.

In adding the reference numerals to the components of the drawings, the same components are to have the same reference numerals as possible even if displayed on different drawings, and known functions that are determined to unnecessarily obscure the subject matter of the present invention Detailed description of the configuration will be omitted. In addition, directional terms such as 'top', 'bottom', 'front', 'back', 'tip', 'front', 'back' and the like are used in connection with the orientation of the disclosed figure (s). Since the components of the embodiments of the present invention can be positioned in various orientations, the directional terminology is used for the purpose of illustration and not limitation.

According to an exemplary embodiment of the present invention, the connection panel for a photovoltaic device having improved heat dissipation performance is connected to a power line for receiving current generated and output from a solar panel, as shown in FIG. 1. In order to prevent reverse flow of current, a plurality of fuse connectors 10 having a built-in fuse to block the flow of electricity when an overcurrent is received are connected in series through the fuse and the connecting plate 20, respectively. A plurality of diodes 30, a main circuit breaker 40 for controlling the power supply, and a surge protector 60 connected between the main circuit breaker 40 and the ground 50 to protect the connection board from overvoltage. In the connection panel for a photovoltaic device, a rectangular cylindrical shape in which one side is opened while a predetermined space is formed to include the fuse connector 10 to the surge protector 60. Body 100, opening and closing door 200 for opening and closing the opened one side of the body 100, and detachable to the other side of the body 100 and on one surface located in the inner direction of the body 100 The diode 30 is installed, the heat dissipation plate 300 having a plurality of heat dissipation fins for receiving and dissipating heat from the diode 30 on the other side, and is installed inside the body 100 and the fuse connector 10 And a connector holder 400 for fixing the fuse connector 10 to be spaced apart from each other by a predetermined distance.

The solar panel is for converting solar energy into electrical energy and outputting the plurality of solar panels or one solar panel connected in series to form a group. In this case, the one group is connected to any one of the input terminals included in the connection panel.

The solar panel may be configured as a set of unit cells generating a voltage of 0.5V to 0.6V, that is, about 3W to 4W.

The fuse connector 10 is connected to a power line for receiving a current generated and output from the solar panel, and to block the flow of electricity to protect the connection board when an overcurrent received from the power line occurs. The fuse must be built in.

The fuse connector 10 may be formed in a rectangular cylindrical shape so that the upper portion is opened and closed so that a fuse may be embedded therein.

In addition, the fuse connector 10, as shown in FIG. 2, a seating groove 11 formed in the lower center, and a fixed locking jaw 12 protruding toward the seating groove 11 from one end of the lower longitudinal direction. ) And a protruding jaw 13 protruding from the other end in the lower longitudinal direction to correspond to the fixing catching jaw 12.

In this case, the protruding jaw 13 may be formed by a flow catching member 14 for sliding and being protruded by the elastic force of the spring 15 to protrude into the seating groove 11.

By configuring the flow catching member 14, the fuse connector 10 may be attached to or detached from the connector holder 400. In other words, when the fuse connector 10 is fastened to the connector holder 400, the locking member 14 does not protrude into the seating groove 11 and then fixed to the connector holder 400. While the locking jaw 12 is engaged, the seating groove 11 is seated, and the flow catching member 14 is projected toward the seating groove 11 again by an elastic force of a spring, thereby catching the connector holder 400. The fuse connector 10 can be attached to and detached from the connector holder 400.

The diodes 30 are connected in series through the fuse and the connecting plate 20 to prevent reverse flow of the current and to stabilize the current. In addition, the diode 30 generates a lot of heat by the power generated from the solar panel.

The main circuit breaker 40 may control the flow of current by turning on / off the power supply.

The surge protector 60 is connected between the main circuit breaker 40 and the ground 50 to prevent damage to the connection panel from overvoltage.

The body 100 may be formed in a rectangular cylindrical shape having a predetermined size and having one side open, and a predetermined space is formed therein, such that the fuse connector 10, the diode 30, and the main circuit breaker 40 are formed. And the surge protector 60 can be accommodated.

In addition, the body 100 is preferably made of a metal material such as stainless steel dusting is not good because it is mainly used to be placed outdoors.

When the fuse connector 10 or the surge protector 60 is disposed in the body 100, the fuse connector 10 and the diode 30 may be adjacent to each other.

Opening and closing door 200 is configured on one side of the body 100 to open or close the inside of the body 100.

The opening and closing door 200, as shown in FIG. 3, is configured to be rotatable by a hinge on one side of the body 100, made of a metal material such as stainless steel, such as the material of the body 100 Can be

The opening and closing door 200 is closed to the body 100 to protect the fuse connector 10 to the surge protector 60 accommodated inside the body 100 to use the separate locking device to the body 100 It can be closed.

The heat sink 300 is, as shown in Figures 3 to 4, to be detachable to the other side of the body 100, it may be formed in a square shape.

In addition, the diode 30 is installed on one surface of the heat sink 300 at a predetermined interval, and the diode 30 is positioned in the inner direction of the body 100 so that the diode 30 may be located inside the body 100. Should be.

A plurality of heat sink fins may be formed on the other surface of the heat sink 300 to receive and release heat generated from the diode 30. Here, the other surface of the heat sink 300 should be located outside the body 100.

By forming the heat dissipation fins, an emission area for dissipating heat of the diode 30 may be improved.

As the heat radiation fin of the heat sink 300 is exposed to the outside, the heat of the diode 30 is moved from one surface of the heat sink 300 where the temperature is increased by the diode 30 to the other surface of the heat sink 300 having a relatively low temperature. Will be released.

Due to the heat dissipation plate 300, the heat of the diode 30 can be quickly released, thereby preventing shortening and damage of the diode 30, thereby improving product performance. In particular, since the heat dissipation plate 300 is not configured inside the body 100, it is possible to prevent the internal temperature of the body 100 from rising, and a separate heat dissipation element, etc., in the diode 30. There is no need to attach each of the can shorten the manufacturing process while helping to lower the cost of the product.

In this case, a hole may be formed on the other side of the body 100 with a size smaller than or equal to that of the heat sink 300 to install the heat sink 300. Holes are formed in the other side of the body 100 so that the heat sink 300 may be coupled using a separate coupling member so that the heat sink 300 may be detached, so that the heat sink 300 may be replaced. do.

The connector holder 400 is installed inside the body 100 to fasten the fuse connector 10 and to discharge heat generated from the fuse connector 10.

As shown in FIG. 6, the connector holder 400 includes a base part 410 having a heat dissipation groove 411 formed therein to widen a heat dissipation area for dissipating heat generated from the fuse connector 10. Installation holes to be installed on the other side of the body 100 so that the heat dissipation groove 411 is bent on both sides of the base portion 410 in the width direction toward the other side of the body 100 ( 421 may be formed as an installation unit 420.

The base part 410 is formed to have a predetermined length so that the fuse connector 10 may be fastened to be spaced apart from each other by a predetermined interval, and the heat dissipation groove 411 on the inside so as to discharge the heat of the fuse connector 10. It may be formed into a U-shape formed.

That is, the base portion 410 is a base plate 412 formed in the shape of a square plate of a predetermined length, and the first extension plate 413 and the first extension plate bent at both ends of the width direction of the base plate 412, respectively, Including the extension plate 414 may be formed in a U-shape.

At this time, it is preferable that the first extension plate 413 and the second extension plate 414 of the base portion 410 extend in the other side direction of the body 100.

In addition, the base portion 410 is formed with a plurality of fastening holes 415 through which spaced apart from each other at regular intervals on both sides of the heat dissipation groove 411 to fasten the fuse connector 10 to the outside. In other words, one side of the base plate 412 and the first extension plate 413 are adjacent to each other and the base plate 412 so that the center portion of the base plate 412 is not perforated. The second side and the second extension plate 414 of the plurality of fastening holes 415 to be spaced apart from each other at predetermined intervals, respectively.

The fastening hole 415 is preferably formed to be at least the same size as the width of the fuse connector 10.

When the fuse connector 10 is fastened to the fastening hole 415, the movement of the fuse connector 10 may be restricted by the base part 410 which is not perforated between the fastening holes 415. The position of the connector 10 may be fixed to prevent the fuse connector 10 and the connection plate 20 to which the diode 30 is connected to be adjacent to each other.

In particular, since the fuse connector 10 is kept spaced apart from each other even during assembly or movement of the main circuit breaker 40 and the like to the body 100, sparks due to contact between the fuse connector 10 are generated. It can be prevented.

On both sides of the base portion 410 in the width direction, mounting portions 420 to be installed on the body 100 should be formed. That is, the installation part 420 is bent and formed in the first extension plate 413 and the second extension plate 414 of the base portion 410, respectively, the installation member on the other side of the body 100 The installation hole 421 for being installed through is formed.

The connector holder 400 may be installed inside the other side of the body 100 through the installation unit 420.

In this case, the installation member may use a screw or the like to fix the connector holder 400 to the body 100.

The fuse connector 10 prevents the flow of the fuse connector 10 by fastening the fuse connectors 10 to the fastening holes 415 of the base part 410, respectively, and generated from the fuse connector 10. The heat can be released efficiently.

In the photovoltaic device connection panel having improved heat dissipation performance as described above, first, the main circuit breaker 40 and the surge protector 60 or the like should be disposed in advance in the body 100.

The heat sink 300 is installed on the other side of the body 100, and the connector holder 400 is installed. That is, the heat dissipation plate 300 is installed on the body 100 so that one side is positioned to face the inside of the body 100 and the other side on which the heat dissipation fin is formed is directed toward the outside of the body 100. The connector holder 400 is positioned such that the heat dissipation groove 411 of the base part 410 faces the other side of the body 100, and then the installation part 420 is positioned on the other side of the body 100. It is installed through the installation member in contact with the inside of the side.

Thereafter, a plurality of diodes 30 are installed on one side of the heat sink 300 so as to be spaced apart from each other by a predetermined interval.

The connector holder 400 is to fasten the fuse connector 10 to the fastening hole 415, respectively. That is, as shown in FIG. 7, the fuse connector 10 includes the fixing catching jaw 12 formed between the base plate 412 and the first extension plate 413 of the base part 410. It is drawn into the ball 415 is caught in the center of the base portion 410, and then the seating groove 11 is seated so as to be adjacent to the center of the base portion 410, the protruding jaw 13 is the The fastening hole 415 is formed between the base plate 412 and the second extension plate 414 of the base portion 410. In this case, when the seating groove 11 is not seated in the center of the base portion 410, the seating recess 11 does not protrude into the seating recess 11, and the seating recess 11 is seated in the center of the base portion 410. When the spring is projected to the seating groove 11 again by the elastic force of the spring is caught in the center of the base portion 410.

By fastening the fuse connectors 10 to the fastening holes 415 of the connector holder 400, respectively, as shown in FIG. 8, the fastening holes 415 are spaced apart from each other by a predetermined distance. Also positioned to be spaced apart from each other by a predetermined interval, the position of the fuse connector 10 can be fixed.

Thereafter, the opening and closing door 200 of the body 100 is closed to prevent foreign matters from flowing into the body 100.

The photovoltaic device connection panel having the improved heat dissipation performance configured as described above is generated in the diode 30 by installing the diode 30 on the heat dissipation plate 300 on which the heat dissipation fins protrude out of the body 100. The heat can be discharged to the outside quickly and efficiently, which can shorten the heat dissipation time and prevent the internal temperature from rising, thereby preventing the failure and shortening of the component.

In addition, since the fuse connector 10 is not adjacent to each other because the fuse connector 10 in which the fuse is built may be kept spaced apart from each other even during assembly or movement of the body 100, sparks may occur. To prevent fire.

In addition, by fixing the position of the fuse connector 10 fastened in the spaced apart state, the connection plate 20 and the like connected to the diode 30 is not in contact with each other to prevent disconnection to improve the quality of the product. do.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention if it is obvious to those skilled in the art.

10: fuse connector 11: seating groove
12: fixed locking jaw 13: protruding jaw
14: fluid catching member 15: spring
20: connection board 30: diode
40: main circuit breaker 50: ground
60: surge protector 100: body
200: opening and closing door 300: heat sink
400: connector holder 410: base portion
411: heat dissipation groove 412: base plate
413: First Extension 414: Second Extension
415: fastener 420: mounting portion
421: installer

Claims (3)

A plurality of fuse connectors 10 having a fuse connected to a power line for receiving current generated and output from the solar panel, a plurality of diodes 30 connected in series through the fuse and the connecting plate 20, and Body 100 having one side open while a predetermined space is formed to include a surge protector 60 connected between the main circuit breaker 40 and the ground 50 for controlling the power, and the body 100 of the Opening and closing door 200 for opening and closing the opened one side, the heat dissipation plate 300 is detachable to the other side of the body 100 and the diode 30 is installed on one side, a plurality of heat radiation fins formed on the other side, and Installed inside the body 100 and bent at both sides in the width direction of the U-shaped base portion 410 having a predetermined length with a heat dissipation groove 411 formed inside to fasten the fuse connector 10 the body ( Installed on the other side of the In the connection panel for a photovoltaic device comprising a connector holder 400 formed of an installation portion 420 is formed with an installation hole 421,
The connector holder 400 is installed so that the heat dissipation groove 411 of the base portion 410 faces the other side of the body 100, and the fuse connector 10 is disposed outside the base portion 410. In order to fasten the plurality of fastening holes 415 formed through the spaced apart from each other at regular intervals on both sides of the heat dissipation groove 411,
The fuse connector 10 is formed in the lower center portion to be in contact with the outside of the base portion 410 and the mounting groove 11, and protrudes in the direction of the mounting groove 11 from one end of the lower longitudinal direction is formed. Fixed catching jaw 12 to be inserted into the fastening hole 415 formed at one side of the base part 410 to be caught by the base part 410, and the lower longitudinal direction so as to correspond to the fixing catching jaw 12. Protruding jaw 13 protruding from the side end,
In the protruding jaw 13, the mounting groove 11 is introduced into the fastening hole 415 formed at the other side of the base portion 410 and is caught by the elastic force of the spring 15 so as to be caught by the base portion 410. Connection panel for a photovoltaic device with improved heat dissipation performance that the flow catching member 14 is configured to flow to the. delete delete

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