KR101868857B1 - Connector Band for Photovoltaic Power System - Google Patents

Abstract

The present invention relates to an enclosure body having a storage space formed therein; An inverter module fixed to a bottom surface of the storage space for converting a voltage supplied from the outside; a water distribution module for distributing a voltage supplied from the inverter module; and a transformer for increasing a voltage required for the inverter module or the water distribution module And an inner case body disposed between the outer case main body and the inner case main body and protruding from one of the outer case main body and the inner case main body by rotation when an external force over a predetermined range is detected, And an earthquake-resistant unit for holding or elastically supporting the space.

Description

Connector Band for Photovoltaic Power System

The present invention relates to a solar light connecting panel, and more particularly, to a solar light connecting panel having an earthquake-proof function capable of shielding or reducing vibration caused by an external force such as an earthquake.

Generally, the photovoltaic module plays a role of receiving power and supplying electric power to facilities requiring power consumption, and is building related facilities of an ordinary power station having power receiving facilities and power distribution facilities.

For example, inside the above-mentioned solar photovoltaic panel is divided into an extra-high-voltage side and a low-voltage side, and includes an electricity receiving facility receiving electricity from a photovoltaic power generation device as a power provider, Or capacity, and a circuit breaker that protects the entire plant from accidents such as power outages.

In this case, considering the safety of electric shock and fire in the process of using, it is necessary to consider the safety of the human body in the process of using it. In this case, the insulation main body with the switchgear door for limiting the direct contact with the outside, In consideration of the reliability of the continuous and uniform supply voltage, various protective equipments such as circuit breakers and lightning arresters are installed in the main body as essential requirements.

In addition, such a photovoltaic connection module is connected to an inverter that converts a direct current voltage generated from the photovoltaic power generation device into an alternating voltage and automatically manages the same.

The inverter includes a PCB, a reactor, a capacitor, a measurement control module, an SMPS, an EMI filter, and a transformer, which convert power to an AC voltage to supply power.

In addition, the photovoltaic connection module includes an input unit for outputting a DC voltage generated from solar light in a serial connection manner, an output unit connected in series to an input unit and outputting a DC voltage output from the input unit to the inverter, And a controller for detecting and monitoring the overvoltage value.

However, there is a problem that the conventional photovoltaic connection panel is vulnerable to vibration transmitted from the outside to the power receiving equipment and the power distribution equipment installed inside the enclosure main body.

In addition, there is a limitation in shielding the vibration only by the rigidity of the body of the enclosure, and protecting the receiving and distribution facilities.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a portable dual structure power storage system having an earthquake-proof function including an interior body inside an enclosure main body.

According to an aspect of the present invention, there is provided an enclosure comprising: an enclosure body having a storage space therein; An inverter module fixed to a bottom surface of the storage space for converting a voltage supplied from the outside; a water distribution module for distributing a voltage supplied from the inverter module; and a transformer for increasing a voltage required for the inverter module or the water distribution module And an inner case body disposed between the outer case main body and the inner case main body and protruding from one of the outer case main body and the inner case main body by rotation when an external force over a predetermined range is detected, And an earthquake-resistant unit for holding or elastically supporting the space.

The earthquake-resistant unit is hinge-connected to any one of the enclosure main body and the inner case main body, and is rotatably supported. The earthquake-resistant unit is disposed at an end portion of the support portion when the external force is generated in a vertical direction. And an elastic portion arranged to elastically contact the other one of the enclosure main body and the inner case main body.

The photovoltaic connection module may further include an alarm unit for visually or auditorily recognizing a state where an external force is applied to the worker when the support unit is rotated in the horizontal direction in the vertical direction.

Wherein the supporting portion is in contact with the elastic contact portion in a vertical direction so that the support portion contacts the contact terminal while rotating in a horizontal direction by an external force And a switch unit for applying power to the alarm unit.

Wherein the vibration-proof unit comprises a spring disposed between the support portion and the elastic portion so that the elastic portion is elastically reciprocally movable along the longitudinal direction of the support portion, and a coupling member coupled between the spring and the elastic portion, . ≪ / RTI >

The vibration-proof unit may include an angle-limiting member coupled to either the enclosure main body or the inner shell main body to limit the angle at which the support unit rotates in the horizontal direction from the vertical direction.

According to the photovoltaic module according to the present invention,

First, since a seismic unit is provided between the body of the enclosure and the body of the inner body, it is possible to prevent the inner body from buckling inside the body of the enclosure,

Second, buckling of the body of the inner shell is prevented, damage to the receiving and distribution facilities due to vibrations transmitted from the outside can be minimized,

Third, according to the operation of the earthquake-resistant unit, the operator can quickly grasp the state of the housing body exposed to an external force such as an earthquake,

Fourth, there is an effect that it is possible to prevent a safety accident from occurring by shutting off the power source inside the inner case body at the moment when an external force is applied to the outer case body.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a front view schematically showing the outer appearance of a solar light connecting panel according to an embodiment of the present invention; FIG.
Fig. 2 is a cross-sectional view schematically showing the inside of the solar photovoltaic panel shown in Fig. 1. Fig.
3 is a partially enlarged view showing an earthquake-resistant unit of the solar photovoltaic panel shown in Fig.
4 is a reference view showing a state in which the earthquake-resistant unit of the solar photovoltaic panel shown in Fig. 3 is operated.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the drawings denoted by the same reference numerals in the drawings denote the same reference numerals whenever possible, in other drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. And certain features shown in the drawings are to be enlarged or reduced or simplified for ease of explanation, and the drawings and their components are not necessarily drawn to scale. However, those skilled in the art will readily understand these details.

FIG. 1 is a front view schematically showing the outline of a solar light connecting panel according to an embodiment of the present invention, and FIG. 2 is a sectional view schematically showing the inside of the solar light connecting panel shown in FIG.

1 and 2, the photovoltaic panel 100 according to the present invention includes an enclosure body 110 having a substantially hexahedron shape, an inner case body 120 provided inside the enclosure body 110, And an earthquake-proof unit 130 interposed between the enclosure main body 110 and the inner cabinet body 120.

The enclosure main body 110 has a rectangular parallelepiped shape and a storage space 115 formed therein. The enclosure main body 110 has a strong rigidity and protects the inner main body 120 located therein.

A door portion 111 is provided in the lateral direction of the enclosure main body 110 so as to selectively open the storage space 115.

The door part 111 may be provided with a plurality of openings for opening or closing the plurality of spaces in whole or in part. The door part 111 may be provided with an inverter module, a water distribution module and a transformer module (not shown) And maintenance are performed.

Although not shown in the figure, the water distribution module (not shown) is provided with a receiver for receiving power from the outside, an insulator is provided at an inner end of the receiver, A bus bar bar having a large cross-sectional area or a large contact area is disposed in order to prevent the voltage from concentrating at the part for transmitting electricity.

It is preferable that a C-type bus bar having a substantially C-shaped cross section is used as the bus bar.

The door portion 111 may be formed as a hinged or sliding door structure, and the solar light connecting panel 100 according to the present invention may be installed in a hinged structure.

At this time, a sight window 113 is provided on the door part 111 so that an operator can check the internal state of the enclosure main body 110.

The viewing window 113 is formed of transparent glass or synthetic plastic so that the inside of the enclosure main body 110 can be visually confirmed and the viewing window 113 can be opened and closed so that a hand or an upper body part of the operator can be moved As shown in FIG.

In addition, the enclosure main body 110 may include a display unit (not shown) for displaying electricity generation information input from and output from the inverter module and the water distribution module. It is preferable that the display unit is arranged to correspond to an eye level of an operator on the door unit 111, indicating the current diagnostic status of the inverter module and the water distribution module, generation amount, solar radiation amount, network environment setting,

One or a plurality of compartment walls are provided in the interior space of the interior body 120 so that the inverter module, the water distribution module, and the transmission module can be positioned.

The storage space 115 may further include basic components such as a PCB, a circuit breaker, a lightning arrester, a fuse, and a switch, and a configuration (not shown) for heat dissipation and moisture damping.

At this time, the inner body 120 may be supported by a frame structure (not shown) connected inside the enclosure body 110.

The photovoltaic panel 100 has one side connected to the inverter module and the other side connected to the photovoltaic device to output the energy provided from the photovoltaic device (not shown) as an electrical signal.

The inverter module has a function of converting a DC voltage output from the solar power generation device into an AC voltage.

The inverter module includes essential components (not shown) such as a PCB, a reactor, a capacitor, a measurement control module, and an EMI filter.

The water power distribution module has a function of distributing the AC voltage provided from the inverter module and outputting it to the outside.

At this time, the transforming module is interposed between the inverter module and the water distribution module.

Therefore, the transforming module has a function of boosting the voltage to a required voltage in the inverter module and the water distribution module.

In addition, the inverter module and the water distribution module can share the transformer module. In this case, the system efficiency is higher than that of the inverter module and the water distribution module, .

Fig. 3 is a partial enlarged view partially showing an earthquake-resistant unit of the solar photovoltaic panel shown in Fig. 2, and Fig. 4 is a reference view showing a state in which the earthquake-resistant unit of the solar photovoltaic panel shown in Fig.

3, the vibration-proof unit 130 is disposed between the enclosure main body 110 and the inner cabinet body 120. When the external force is greater than the predetermined range, the inner cabinet body 110 or the inner cabinet body 120 And is provided with a function of holding or resiliently supporting the gap between the enclosure main body 110 and the inner casing main body 120 by being protruded by rotation from one to the other. More preferably, the vibration-proof unit 130 is coupled to the inner side surface of the enclosure main body 110 and rotatably extends from the enclosure main body 110 to support the side surface of the inner main body 120. The inner casing 130 may be coupled to the side surface of the inner casing main body 120 and may be disposed to support the inner side surface of the casing main body 110. [ have.

The earthquake-resistant unit 130 includes a support 131 hingedly coupled to an inner side surface of the enclosure main body 110 and rotatably coupled to the inner surface of the enclosure main body 110, And the elastic portion 132 is in contact with the contact portion 132a.

The sunlight connecting unit 100 is disposed adjacent to the earthquake-proofing unit 130, and when the support unit 131 is disposed in the vertical direction and rotates in a horizontal direction due to an external force, An alarm unit 140 and a switch unit 150 that switches the support unit 131 in a horizontal direction and supplies power to the alarm unit 140.

One end of the support portion 131 is hinged to an inner side surface of the enclosure main body 110, and the other end is disposed at a free end. Therefore, the support portion 131 is normally arranged vertically and arranged to rotate in the horizontal direction when vibration is applied by an external force.

At this time, the elastic part 132 formed of rubber, synthetic rubber or synthetic resin and having elasticity is coupled to the other end of the support part 131. A spring 133 is provided between the support part 131 and the elastic part 132 to elastically reciprocate the elastic part 132 on the support part 131. The spring 133 and the elastic part 132 (Not shown).

The spring 133 is coupled to the coupling member 134 and the spring 133 is inserted into the other end of the support portion 131, The elastic portion 132 is coupled to the supporting portion 131 so as to be reciprocally moved along the longitudinal direction.

One end of the coupling member 134 is coupled to the elastic portion 132 and the other end is coupled to the spring 133. An elastic restoring force is formed between the elastic part 132 and the support part 131 through the spring 133. The elastic part 132 and the support part 131 are connected to each other through the coupling member 134,

Referring to FIG. 4, the vibration-proof unit 130 shows a state in which vibration is transmitted to the enclosure main body 110 by an external force such as an earthquake. Therefore, the inner case main body 120 is shaken at a predetermined angle.

The support portion 131 is rotated in the horizontal direction as shown in FIG. 4 in a state where the support portion 131 is vertically arranged so that the switch portion 150 and the elastic portion 132 are in contact with each other. The angular limit member 135 coupled to the inner side surface of the enclosure main body 110 restricts the horizontal rotation of the supporter 131 and maintains the horizontally rotated state.

At this time, the supporter 131 rotates so that the elastic part 132 comes into contact with the side surface of the inner case main body 120, and the switch part 150 rotates so that the contact terminals 151 contact with each other, The power is applied to the unit 140. When power is applied to the alarm unit 140, the power of the solar cell 100 may be shut off. In addition, it is also possible to control the power supply to the alarm unit 140 so that the internal power of the solar cell 100 is shut off after a preset time has elapsed.

The alarm unit 140 provides a function of notifying that a vibration has occurred due to an external force, such as a buzzer or a warning light, visually or audibly. Also, the alarm unit 140 can transmit a state of power supply to the alarm unit to the portable terminal or the control terminal of the operator using wireless or wired communication.

Therefore, the solar light connecting panel 100 can protect equipment disposed inside the enclosure main body 110 or the inner case main body 120 from an external force such as an earthquake. In addition, the vibration-proofing unit 130 of the inner body 120 minimizes vibration transmitted from the enclosure main body 110. Also, buckling (buckling) of the inner body 120 by the external force can be prevented from occurring inside the enclosure main body 110 through the vibration-proof unit 130.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken in conjunction with the present invention. But can be carried out within a range that does not deviate. Accordingly, such modifications are also considered to be within the scope of the present invention, and the true scope of protection of the present invention should be determined by the technical idea of the following claims.

100: Photovoltaic connection board
110: enclosure main body 111: door
113: view window 115: storage space
120: inner car body 130: seismic unit
131: support part 132: elastic part
133: spring 134: engaging member
135: Angle restricting member 140:
150: Switch part 151: Contact terminal

Claims (6)

An enclosure main body having a storage space therein;
An inverter module fixed to the bottom surface of the storage space for converting a voltage supplied from the outside; a water distribution module for distributing a voltage supplied from the inverter module; and a transformer for increasing a voltage required for the inverter module or the water distribution module An inner shell main body having a module;
And a plurality of protrusions are provided between the outer case body and the inner case main body to protrude from one of the outer case main body and the inner case main body by rotation to maintain a gap between the outer case main body and the inner case main body, And an earthquake-
Wherein the earthquake-resistant unit is hinge-connected to any one of the enclosure main body and the inner case main body, and rotatably supported by the support unit. The supporting unit rotates in a horizontal direction when an external force is generated in a vertically arranged state. And a resilient portion arranged to resiliently contact the other one of the enclosure main body and the inner shell main body. delete The method according to claim 1,
Further comprising an alarm unit for visually or audibly recognizing an external force applied to the worker when power is applied thereto when the support unit rotates in the horizontal direction in the vertical direction. The method of claim 3,
The supporting portion is brought into contact with the elastic portion to fix the supporting portion in the vertical direction, and when the supporting portion rotates in the horizontal direction by an external force, the supporting portion comes into contact with the contact terminal while rotating, And a switch unit for applying a voltage to the photodiode. The method according to claim 1,
The earthquake-
A spring disposed between the support portion and the elastic portion to elastically reciprocate the elastic portion along the longitudinal direction of the support portion,
And a coupling member coupled between the spring and the elastic portion to couple the spring and the elastic portion. The method according to claim 1,
The earthquake-
And an angle restricting member coupled to any one of the enclosure main body and the inner shell main body to limit an angle at which the support portion rotates in a horizontal direction from a vertical direction.

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