KR102075860B1 - connector band with function of cooling/earthquake-proof - Google Patents

Abstract

The present invention relates to an earthquake-resistant heat dissipation connection panel which has an auxiliary power supply to normally operate a collecting panel event in an emergency situation, protect components from internal and external heat, and automatically perform extinguishment when first occurs. Moreover, by having a vibration sensing sensor and a circuit breaker, when an earthquake occurs, the circuit breaker is operated to reduce secondary damage due to the earthquake.

Description

Connector band with function of cooling / earthquake-proof}

The present invention relates to an earthquake-resistant and heat dissipation panel, and more particularly, to an earthquake-resistant and heat dissipation panel having an auxiliary power supply device so that the connection panel can be normally driven in an emergency situation.

In addition, the present invention can not only protect the components from the heat of the inside as well as the outside, the fire is automatically made in the event of a fire, and equipped with an earthquake detection sensor and a circuit breaker when the earthquake occurs by operating the circuit breaker The present invention relates to an earthquake-resistant and heat-dissipating connection panel capable of reducing secondary damage caused by the same.

Electricity is essential energy in modern society.

Numerous methods such as nuclear power generation, solar power generation, tidal power, wind power, and thermal power are used, but some of these methods use a large amount of fossil fuel.

Thermal power generation using fossil fuels has a problem of polluting the atmospheric environment by releasing large amounts of carbon dioxide and fine money in the process of using fossil fuels, and nuclear power generation is not only difficult to deal with the remaining nuclear byproducts. There is a risk of leakage such as radiation from nuclear power.

Accordingly, in recent years, various power generation technologies using natural power have been developed, and there are photovoltaic power generation technologies among power generation technologies using natural power.

Photovoltaic power generation technology is a power generation technology that converts sunlight directly into electrical energy using solar cells without the help of a generator. It has no pollution, can generate power as needed in a place where it is needed, and is easy to maintain.

The photovoltaic power generation system includes a solar cell, a storage battery, and a power converter.

Such a photovoltaic power generation system is provided with a plurality of solar cell modules to obtain a large amount of electricity at one time, and has a connection panel that collects direct current electricity before sending electricity generated from the plurality of solar cell modules to an inverter. have.

The connection panel provided in the photovoltaic power generation system includes an input terminal, a fuse, a diode, and an output terminal, and a double diode performs a function of blocking a current flowing in a reverse direction. Must be provided.

Accordingly, various technologies related to the connection panel having the cooling device have been developed, and Patent Documents 1 to 4 are examples.

Patent document 1 receives and receives a solar cell array that collects sunlight incident from the outside to produce electricity, a connection panel that collects and outputs a DC current produced from the solar cell array, and a DC current transmitted through the connection panel. An inverter for converting the direct current into an alternating current and supplying it to a power consumer, a sensor unit for detecting weather information including the presence or absence of a solar cell array, a connection panel, and an inverter, the amount of electricity generated from the solar cell array, and a sensor unit Local monitoring system that displays the abnormality of connection panel and inverter with weather information detected from the unit, and the electric field system that supplies power to the customer when the power generation is not possible from the solar cell array, and the amount of electricity generated from the solar cell array And usage, weather information, defects / failures of solar power generation facilities, It includes a home monitoring system that displays the amount of power supplied from the home, the home monitoring system receives and monitors the weather information of the wind direction, wind speed, insolation, yellow dust, module temperature, ambient temperature, rainfall, snowfall detected by the sensor unit The environmental monitoring unit, the fault / failure monitoring unit that judges the fault of the inverter and the fuse installed in the connection panel and displays the status, the amount of power generated by the solar cell array, and the power generated by the solar power generation facilities in the home. It includes the power generation monitoring unit that displays hourly, daily, and monthly cumulative minutes by the amount of power used and the power received from the domestic electric grid.The defect / failure monitoring unit includes a solar cell array, a connection panel, Understand the normal operation and failure status of inverters and sensors It is a monitoring and control system for the management of photovoltaic power generation facilities that displays green in normal operation and red in case of malfunction and abnormal condition by LED lighting.

Patent document 2 is one or more unit power generation module consisting of a photovoltaic cell array of a plurality of solar cells combined in any series connection and parallel connection; A DC output unit configured to receive a voltage generated from the unit power generation module and convert the input voltage into a DC voltage and output the DC voltage; An inverter which receives the voltage output from the DC output unit and controls the same voltage to convert to the maximum efficiency voltage; Main control unit for controlling the DC output unit and the inverter; And a connection panel for accommodating a plurality of electric devices including a DC output unit, an inverter, and a main control unit, wherein the connection panel includes an accommodation space provided therein, the front of which is opened, and a part of which is cut off on the rear of the accommodation space. A main body including a cut portion communicating with the body; A casing coupled to the main body to cover the opening; A base mounted to the incision in the accommodation space; And a heat dissipation plate coupled to the rear surface of the base through an incision from the outside of the main body; one or more induction holes having a diameter narrowing in a direction toward the heat dissipation plate are formed on the base, and the heat dissipation portion of the induction hole at a position opposite to the induction hole. It is a photovoltaic device including a connection panel having a cooling function formed with a diffusion hole of a diameter larger than the diameter,

Patent Literature 3 discloses a photovoltaic power generation system including a plurality of photovoltaic panels and a photovoltaic connecting panel that converts power output from the plurality of photovoltaic panels to an inverter by converting the power from an inverter. A switch installed at an output line of the solar panel; Current sensing means provided on each input line of the inverter; A current detector for comparing the current sensed by the current sensing means and calculating a total current difference between the two lines; When the total current difference detected by the current detector is detected in comparison with the preset total current difference threshold value, and when it is determined that the total current difference detected by the current detector exceeds the preset total current threshold value, each solar light is detected. Blocking the switches installed in the output line of the panel in sequence,

에 따라 태양광 패널 별 누설전류값을 산출하고, 산출된 태양광 패널 별 누설전류값 중 기 설정된 기준치를 초과하는 누설전류값을 찾아내는 것에 의해 누설전류에 의한 이상이 발생한 태양광 패널을 찾아내는 누설전류감시부; 누설전류감시부의 제어에 따라 스위치를 제어하는 스위치제어부; 및 접속반 내부에는 아크 발생을 검출하는 아크센서가 더 설치되고, 아크센서에서 검출된 아크 발생여부에 따라 단락 또는 절연 열화를 감시하는 화재징후감지부를 구비한 누설전류 및 화재징후 감시 기능을 갖는 태양광 접속반을 포함하는 태양광 발전 시스템이며,

Leakage current to find out the photovoltaic panel with abnormality caused by leakage current by calculating the leakage current value for each solar panel and finding the leakage current value exceeding the preset reference value among the calculated solar panel leakage current values. Monitoring unit; A switch control unit controlling the switch according to the control of the leakage current monitoring unit; And an arc sensor for detecting arc generation inside the connection panel, and a leakage current and fire sign monitoring function having a fire sign detecting unit for monitoring a short circuit or insulation deterioration according to whether the arc is detected by the arc sensor. It is a photovoltaic power generation system including an optical junction board,

Patent Literature 4 discloses an embodiment in which a plurality of radiating fins divided into at least two or more are installed in a plurality of reverse voltage preventing diodes connected in parallel, a spacer is inserted between the radiating fins, and a thermoelectric element is inserted between the radiating fins and the reverse voltage preventing diode. In the connection panel cooling device for a photovoltaic device, a temperature fuse that is melted and broken when the temperature is higher than a predetermined temperature is installed between the divided radiating fins and the spacer is a panel cooling device for a photovoltaic device made of a polymer material having elasticity. to be.

As described above, there are technologies related to various solar panel, but not only the efficiency is lowered, but the entire system is down when the panel is broken.

In addition, the conventional seismic and heat dissipation connection panels have a problem that there is no countermeasure against earthquakes.

Republic of Korea Patent No. 10-1390405 Republic of Korea Patent No. 10-1398575 Republic of Korea Patent No. 10-1491013 Republic of Korea Patent No. 10-1904361

The present invention was developed to solve the problems of the prior art as described above, and an object of the present invention is to provide a seismic and heat dissipation connection panel having an auxiliary power supply device so that the solar power generation system can be operated normally even in an emergency situation. .

In addition, the present invention can not only protect the components from the external heat, fire extinguishing is made automatically in the event of a fire, and equipped with an earthquake detection sensor and a breaker to operate the breaker when the earthquake occurs secondary by the earthquake It is an object of the present invention to provide a seismic and heat dissipation panel that can reduce damage.

Seismic and heat dissipation connection panel according to the present invention for solving the above object is a terminal block module having a plurality of terminals connected to the + connection line and the-connection line connected to the solar module, and excessive current over the specified value does not continue to flow A fuse module comprising a plurality of fuses to automatically cut off automatically, a diode module consisting of a plurality of diodes to flow the current in one direction and not in the reverse direction, and a circuit breaker to automatically cut off the circuit against overcurrent A solar panel connection panel, comprising: a temperature sensor installed at each module to sense a temperature; A cooling fan that is driven when the temperature sensed by the temperature sensor is higher than a set temperature to supply cooling air to the interior of the connection box; Fire detection sensor for detecting the occurrence of arc or smoke inside the connection box; A fire extinguisher operating when an arc or smoke is detected in the fire detection sensor; And a controller that collects, stores, and transmits the information detected by the sensor, and operates a cooling fan, a fire extinguisher, and a circuit breaker according to a detection signal. The heat dissipation means is characterized in that the module is installed in close contact with one side and a heat sink having a plurality of heat conducting wings formed on the other side, and a blowing fan installed on the other side of the heat sink to discharge the heat absorbed by the heat sink to the outside.

One side of the connection box is further provided with a vibration sensor for detecting the vibration.

The fire detection sensor is preferably installed toward the module in the upper front of the connection box.

The connection box is composed of two stages, and the terminal block module, the fuse module and the diode module are installed at one stage, and the circuit breaker and the controller are installed at the other stage.

In addition, the connection panel is provided with an auxiliary power supply for operating the electrical devices constituting the connection panel when there is an error in the commercial power source, the auxiliary power supply is a photovoltaic generator including a solar cell, a photovoltaic generator It may be made of a battery that stores the electricity generated from.

Seismic and heat dissipation connection panel according to the present invention can suppress the damage to the connection panel by the fire can suppress the fire at the beginning of the fire by having a fire detection sensor and a fire extinguisher.

In addition, the present invention is provided with a vibration sensor has an effect that can protect the connection panel by stopping the operation of the connection panel by operating the breaker when excessive vibration including an earthquake occurs.

In addition, the present invention has an effect that the connection panel can be driven even when the commercial power is cut off by the auxiliary power supply.

In addition, the present invention is provided with a heat dissipation device has the effect of protecting the components from overheating by discharging the internal heat as well as the external heat.

1 is a front view of a seismic and heat dissipation connection panel according to the present invention
Figure 2 is a side view of the heat dissipation means installed in the seismic and heat dissipation connecting panel according to the present invention
Figure 3 is a perspective view of the heat sink constituting the heat dissipation means installed in the seismic and heat dissipation connecting panel according to the present invention
Figure 4 is a cross-sectional view of an example of the earthquake-resistant device installed in a seismic and heat dissipation connection panel according to the present invention
5 is an exploded perspective view of an example of an earthquake-resistant device installed in a seismic and heat dissipation connecting panel according to the present invention;

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the drawings, similar reference numerals are used for similar elements. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

According to the present invention, the cluster may be driven even in an emergency situation, and the components may be protected from heat from outside or inside, and the secondary damage may be reduced by operating the breaker in the event of fire or earthquake.

The seismic and heat dissipation connection panel for a solar power generation system according to the present invention includes a terminal block module 110 having a plurality of terminals connected with a + connection line and a-connection line connected to a photovoltaic module in the same manner as a conventional solar connection panel, A fuse module 120 composed of a plurality of fuses which automatically block excessive current exceeding a predetermined value, a diode module 130 composed of a plurality of diodes which allow current to flow in one direction and not flow in the reverse direction; It includes a circuit breaker 140 for automatically disconnecting the circuit against the overcurrent.

The subject matter of the present invention is to further include a cooling and heat dissipation device in a conventional solar connection panel configured as described above, the temperature sensor 10 is installed in each module to sense the temperature; A cooling fan 20 driven when the temperature sensed by the temperature sensor is equal to or higher than a set temperature to supply cooling air to the interior of the connection box 100; Fire detection sensor 30 for detecting the occurrence of arc or smoke in the connection box; A fire extinguisher 40 that operates when an arc or smoke is detected in the fire detection sensor; And a controller 50 that collects, stores, and transmits the information detected by the sensor, and operates the cooling fan, the fire extinguisher, and the circuit breaker according to the detection signal.

The temperature sensor 10 may be installed in each of the modules, and when the temperature sensor is installed in any one module senses that the temperature rises, the controller transmits a drive signal to the cooling fan 20 to cool the fan. It works by releasing the air of the junction box to let the outside air flow in, thereby lowering the temperature of the module whose temperature has risen.

The cooling fan 20 circulates the air inside the junction box 100 as one of the same air discharging device as a general blower to maintain a constant temperature inside the junction box.

The fire detection sensor 30 is for detecting that a fire has occurred inside the connection box, the method of detecting a fire may be composed of a flame detection sensor and a smoke detection sensor according to the method may be smoke or flame. have.

The fire detection sensor 30 is preferably installed on the front upper portion of each module is installed.

In general, the junction board is fixed to the inner rear wall of the junction box, and the presence of heat generated among the components installed in this way, and the front side of the components that may cause sparks are detected to detect the occurrence of sparks and smoke. The fire detection sensor is installed toward the component so that the front of the component can be detected.

When a fire is detected by the fire detection sensor, the fire extinguisher 40 is operated at the same time as the fire occurrence through the alarm means provided in the controller, and the fire alarm signal is managed through a communication module provided in the controller. By sending it to the administrator to check in real time.

The remote management device is a device for managing a photovoltaic power generation system. The remote management device is also equipped with a communication module to communicate with the controller as well as to alert the mobile terminal possessed by the administrator so that the administrator can check the alarm even when the administrator is away from the desk. To deliver.

The fire extinguisher 40 is installed on one side of the connection box, it is preferable to install a diffusion type fire extinguisher so that the fire extinguishing agent can be sprayed on all components to prevent the fire caused by a specific component from spreading to another place. The position is preferably at the front top of the components.

The controller 50 collects the information added by each sensor, controls the operation of the cooling fan and the fire extinguisher according to the collected information, and transmits the collected information to the management device so that the administrator can check the driving state of the access plate. .

In addition, in the present invention, the heat dissipation means 50 is installed on the rear surface of the module having a relatively large amount of heat.

Typically, the connection panel includes a terminal block module composed of a plurality of terminal blocks installed in parallel. Such a connection panel includes a plurality of diodes to prevent backflow as a problem occurs in one string and the other string may reverse. The diode module is provided, and this diode module generates a lot of heat.

Accordingly, the heat dissipation means 50 may be installed in the diode module, and as shown in FIG. 2, the heat dissipation plate 51 installed in close contact with the modules on one surface and the heat absorbed by the heat dissipation plate installed on the other surface of the heat dissipation plate. It may be composed of a blowing fan 52 for discharging the outside.

The diode module is directly fixed to the heat sink 51.

The heat sink 51 is preferably made of a metal or a synthetic resin having excellent thermal conductivity but low electrical conductivity, and is provided with a plurality of heat conductive wings 51w as shown in FIG. Made it possible.

It is preferable to form a plurality of vent holes 51h in the heat conduction blades 51w provided on the heat sink 15 to absorb heat while passing the air supplied by the blower fan 52.

The blowing fan 52 is a means for discharging the heat absorbed from the heat sink, it is installed to be exposed to the outside portion of the connection box so that the absorbed heat can be discharged to the outside.

In addition, a thermoelectric element 53 may be further installed outside the blower fan 52.

The thermoelectric element 53 is a device in which heat is generated on one side and endothermic is absorbed on the other side when electric power is supplied, thereby supplying cool air to the blower fan to supply cool air to a heat sink.

That is, the blowing fan 52 blows air to the heat sink side, and cooling efficiency is improved as the blown air is cooled and supplied by the heat absorbing portion of the thermoelectric element.

The heat residual element 53 is preferably installed in a state in which the heat generating part is exposed to the outside of the connection box, and more preferably, another blower fan is installed in the heat generating part to discharge heat generated from the heat generating part away from the connection box. It is desirable to be able to.

In addition, one side of the connection box 100 was further provided with a vibration detection sensor 60 for detecting the vibration.

The vibration sensor 60 is to detect the vibration of the place where the connection panel is installed, the vibration may be a vibration due to the earthquake as well as strong winds or external shock, if the vibration is above the set value breaker Stop the operation of the connection panel.

In addition, the connection box 100 is composed of two stages, it is preferable that the terminal block module, the fuse module and the diode module is installed in one stage, the circuit breaker and the controller for the other stage.

Of course, the heat generating component constituting the connection panel is installed at the top, and the unheated or low heat generating component is installed at the bottom so that the heat generated from the heat generating component is directed upward to protect the low heat generating component. desirable.

As described above, among the components constituting the connection panel, components that are severely heated and may cause fire are terminal block modules, fuse modules, and diode modules.

Accordingly, by installing only these pyrogenic modules in one space, and installing the remaining non-pyrogenic or low-pyrogenic components in another space, it protects the non-pyrogenic or low-pyrogenic components from heat and protects them from an unexpected fire. All other components were to be protected from fire.

In addition, the connection panel is provided with an auxiliary power supply 80 for operating the electrical devices constituting the connection panel when there is an error in the commercial power source.

The connection panel is composed of various electric components as described above, and although the commercial power is used to drive these components, it is preferable to enable the connection panel to operate even when the commercial power cannot be supplied. The auxiliary power supply 80 is provided.

The auxiliary power supply 80 may be configured as a battery, but the battery may be self discharged after a long time, and thus may not be used in an emergency.

Accordingly, the auxiliary power supply 80 is preferably composed of a solar cell including a solar cell and a battery for storing electricity generated by the solar cell.

In addition, the present invention preferably connects the electronic switch to the wire connected to the terminal block module 110, that is, between the photovoltaic module and the connection panel, it is preferable to control the interruption by the controller, for this purpose As shown in FIG. 1, the switch module 110S further includes a plurality of switches.

Moreover, the connection board of this invention is further equipped with the earthquake-resistant apparatus 90.

As described above, the vibration sensor 60 is provided to stop the driving of the connecting plate when a strong vibration including an earthquake occurs, but it is desirable to fundamentally protect the connecting panel from external vibration. It is desirable to wear the seismic device 90 more.

The earthquake-resistant device 90 may be implemented by various modifications, but preferably, as shown in FIG. 4, the cylindrical shape is fixed to the bottom surface of the connection box and has a support wing 91 s formed downward at the edge thereof. Fixing cap 91, ground fixing plate 92 fixed to the ground, reinforcing plate 93 fixed to the bottom of the vessel fixing cap, and the buffer body 94 is fixed to the fixing plate by the fixing pin 94p And, the support 95 is installed between the reinforcing plate and the buffer, and the side buffer member 96 is provided between the support wing formed on the outer surface and the fixing cap of the support.

The fixing cap 91 is a means for coupling the seismic device to the connection box, as shown in FIGS. 4 and 5 to form a cylindrical shape in which the support wings 91s are formed downward.

The support blade 91s supports the outer end of the side buffer member 96 as shown in FIG.

The ground fixing plate 92 serves to fix the earthquake-resistant device 90 to the ground, and a ground for installing a connection box may be installed on the ground, and the ground fixing plate 92 is fixed to the ground. .

A member for absorbing shock is provided between the fixing cap 91 and the ground fixing plate 92, and the means for substantially cushioning the shock are the buffer 94 and the side buffer member 96. The reinforcement plate 93 and the support 95 function to couple the buffer means between the fixing cap 91 and the ground fixing plate 92.

The reinforcing plate 93 is the upper surface is fixed to the fixing cap 91, the bottom surface is fitted into the plate fixing groove (95g) formed on the upper surface of the support (95).

The buffer 94 is to absorb shock in the vertical direction, and is made of an elastic material such as rubber or synthetic resin.

The buffer 94 is fixed to the ground plate by a fixing pin 92p fixed to the ground plate 92 as shown in FIG.

In addition, the buffer member 94 may absorb an impact in the vertical direction while the upper surface is raised and lowered around the elastic reinforced groove portion by forming an elastic reinforcement groove 94g in the middle portion, as shown in FIGS. It is.

The side buffer member 96 is to absorb the impact to the side, is installed on the support wing (91s) and the support (95) eye formed in the fixing cap 91, made of rubber or synthetic resin having elasticity Can be made.

The side buffer member 96 may be installed in a plurality at equal intervals around the support, as shown in Figure 4 and 5 is provided with a fixing pin (96p) on the surface facing the support, The fixing pin is fitted into the fixing hole formed in the support and fixed.

The side buffer member 96 is provided with a plurality of side buffer member 96 can be changed depending on the force applied.

The connection board having the seismic device 90 configured as described above may be installed on the ground or on the sidewall of the frame.

When the seismic device is installed on the ground as shown in FIG. 1, the seismic device is installed between the ground and the connection panel. However, when the seismic device is installed in a frame made of steel, the seismic device may be installed between the frame and the connection box. Can be.

10: temperature sensor
20: cooling fan
30: fire detection sensor
40: fire extinguisher
50: heat dissipation means
51: heat sink 51w: heat conduction wing
52: blower fan
60: vibration detection sensor
70: controller
80: auxiliary power supply
90: seismic device
91: ship cap 92: ground fixing plate
93: reinforcing plate 94: buffer
95: support 96: side buffer member
110s: switch module
100: connection box 100r: insulation wall
110: terminal block module 120: fuse module
130: diode module 140: circuit breaker

Claims (5)

Terminal block module with a plurality of terminals connected to the photovoltaic module and-connecting line, a fuse module consisting of a plurality of fuses to automatically cut off excessive current exceeding a specified value, and the current in one direction As a connection panel for a photovoltaic power generation system comprising a diode module consisting of a plurality of diodes to flow in the reverse direction and not in the reverse direction, and a circuit breaker that automatically cuts off the circuit against overcurrent.
A temperature sensor 10 installed at each module to sense a temperature; A cooling fan 20 driven when the temperature sensed by the temperature sensor is equal to or higher than a set temperature to supply cooling air to the interior of the connection box 100; A fire detection sensor 30 installed at the upper front of the connection box to detect an arc or smoke generated inside the connection box; A fire extinguisher 40 that operates when an arc or smoke is detected in the fire detection sensor; And a controller 50 that collects, stores, and transmits the information detected by the sensor, and operates the cooling fan, the fire extinguisher, and the circuit breaker according to the detection signal.
The heat dissipation means 50 is installed on the back of the module having a relatively large amount of heat, among the modules, the heat dissipation means 50 is installed in close contact with the modules on one side, and the heat dissipation plate 51 having a plurality of heat conductive wings formed on the other side; Installed on the other side of the heat sink is made of a blowing fan 52 for discharging the heat absorbed by the heat sink to the outside,
One side of the connection box 100 is further provided with a vibration detection sensor 60 for detecting vibration, the connection box 100 is composed of two stages, the terminal block module and the fuse module and the diode module in one stage The other end is equipped with wiring breaker and controller,
The access panel includes an auxiliary power supply 80 for operating the electrical devices constituting the access panel when there is an abnormality in the commercial power supply. The auxiliary power supply 80 includes a solar power generator including a solar cell. In the connection panel consisting of a battery for storing the electricity generated by the solar generator,
A bottom of the connection box 100 is further provided with an earthquake-resistant device 90,
The earthquake-resistant device 90 is fixed to the bottom surface of the connection box and the tubular-shaped fixing cap 91 is formed with a support wing (91s) downwards on the edge, the ground fixing plate 92 fixed to the ground, and A reinforcing plate 93 fixed to the bottom of the holding cap, a buffer 94 fixed to the fixed plate by a fixing pin 92p, a support 95 installed between the reinforcing plate and the buffer, Seismic and heat dissipation panel for a photovoltaic power generation system, characterized in that consisting of a side buffer member (96) installed between the outer surface of the support and the support wings formed on the fixing cap . delete delete delete delete

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