KR101657011B1

KR101657011B1 - Distribution box for protection against heat and distribution box

Info

Publication number: KR101657011B1
Application number: KR1020150140698A
Authority: KR
Inventors: 김선태
Original assignee: 김선태
Priority date: 2015-10-07
Filing date: 2015-10-07
Publication date: 2016-09-22

Abstract

The cooling and moisture-proof cabinet 100 according to the present invention includes a main body 110 configured to house a control unit in the form of a box and a main body 110 mounted on an outer surface of the main body 110 to supply cool air and warm air to the main body 110 And the cooling / moisture-proofing unit 120 is configured to supply the cool air and the warm air by the thermoelectric element 127.
Therefore, since the inside of the main body 110 is cooled when the heat generated in the water supply and distribution facility inside the main body 110 reaches a predetermined temperature in the summer period, the efficiency is improved and the accuracy And the contact portion of the cable terminal connected to the water distribution equipment is melted and separated by the heat of the predetermined temperature or higher, thereby preventing the occurrence of a short circuit accident. In addition, since condensation occurs in the main body 110 in winter (winter), the condensation becomes water droplets over time and falls to the water distribution equipment, thereby preventing a short circuit accident from occurring .

Description

Distribution box for protection against heat and distribution box

More particularly, the present invention relates to a cooling / damping distribution cabinet, and more particularly, to a cooling / damping cabinet that can cool quickly by supplying cold air when a predetermined amount of heat is generated inside the cabinet, So that safety is ensured. 2. Description of the Related Art

Hereinafter, the distribution cabinet 1 according to the background art will be described with reference to the accompanying drawings.

Fig. 1 is a cross-sectional view showing a distribution box according to the background art.

Generally, the cabinet 1 is box-shaped and configured to receive a control section 20 for controlling power. The control unit 20 includes a legend leg ratio of a high-voltage transformer and a current transformer for a meter.

When the high temperature occurs, the controller 20 melts the contact portions of the connected cable terminals to cut off the power, and the efficiency of the control portion 20 is lowered and the accuracy of the output voltage is deteriorated There was a problem that a fire occurred.

In order to prevent such a phenomenon, in the background art, the top plate 30 of the cabinet 1 is formed with a through-hole 33 larger than the width of the cabinet 1. The cover (40) covering the upper plate (30) is formed. The lid 40 is in the form of a container with its bottom opened. A space 50 is formed between the lid 40 and the top plate 30.

1, the air outside the cabinet 1 is received in the space 50 through the through-hole 33, then flows into the cabinet 1 again to be heat-exchanged with the control unit 20, And is exhausted to the outside of the cabinet 1 through the space 50, so that the heat inside the cabinet 1 can be cooled.

However, according to the background art, when the cabinet 1 is installed outdoors, the cooling effect can not be expected in the following summer. This is because the effect of heat exchange can not be expected largely even if the outside air flows into the main body of the cabinet 1 in a state of approaching 35 ° C or more.

In addition, when the cabin 1 is installed in the outdoors, in the winter season, due to the temperature difference between the inside and outside of the cabin 1, the cabin 1 experiences internal defects. As a result, There is a problem in that a short-circuit accident occurs while falling to the unit 20. That is, in the winter season, the temperature outside the cabinet 1 reaches -5 占 폚 and can rise to 40 占 폚 due to the heat generated in the control unit 20 inside the cabinet 1. Accordingly, the water vapor charged in the inside of the cabinet 1 strikes the inner surface of the cooled main body, and when it is collected, the water vapor becomes a water droplet and causes a short-circuit accident.

Korean Utility Registration No. 20-0411963 (March 14, 2006)

The cooling and moisture-evacuating distribution box according to the present invention is intended to solve the following problems.

First, the inside of the cabin is cooled when the heat of the control unit generated in the cabin becomes a predetermined temperature or more during the following summer season, so that the efficiency of the control unit is improved and the accuracy of the output voltage is improved, To prevent the occurrence of a short circuit accident because the contact portion of the cable terminal connected to the terminal is melted and separated by heat above a predetermined temperature.

Second, since condensation occurs in the cabin during the winter season, the condensation drops into the control unit due to the passage of time, thereby preventing a short circuit accident.

According to the present invention,

And a cooling and dewatering unit mounted on an outer surface of the main body and capable of supplying cool air and hot air to the inside of the main body, wherein the cooling and dewatering unit is capable of supplying cool air and hot air by a thermoelectric element .

The cooling /

A cold air pipe connected to the outer side of the main body and connected to the inside of the main body and supplying cool air; a warm air tube mounted on the outer side of the main body and connected to the inside of the main body to supply hot air; A cooling fin which is accommodated in the inside of the connection pipe and has a cooling surface facing the cold air cooling pipe and a heating surface facing the warm air pipe, a cooling fin attached to the cooling surface, And a cooling fan and an exothermic fan attached to the cooling fins and the heat generating fins, respectively.

A cold air direction switching valve connected between the cold air discharge pipe and the cooling pipe to change a flow path; and a cool air discharge direction switching valve mounted between the hot air discharge pipe and the cooling pipe, And a warm air direction switching valve for changing the flow path.

And a suction port penetrating through the connection pipe, the suction port corresponding to the cooling fin and the radiating fin. At this time, it is preferable that the suction port is disposed on the lower surface of the connection pipe.

The cold air discharge pipe and the hot air discharge pipe are connected to the lower surface of the cooling pipe and the heating pipe, respectively.

In addition, a temperature sensor and a humidity sensor mounted on an inner surface of the main body, and a thermoelectric element, a cooling fan, and a heat radiation fan when the thermoelectric element, the cooling fan, And a control unit for driving the directional control valve and the warm-air directional control valve.

The cooling and moisture-proof distribution cabinet according to the present invention has the following effects.

First, since the inside of the main body is cooled when the heat generated in the water distribution and distribution facility inside the main body becomes the specified temperature or more in the following summer period, the efficiency is improved and the accuracy of the output voltage is improved, There is an effect that the occurrence of a short circuit accident can be prevented because the contact portions of the cable terminals connected to the equipment are melted and separated by heat above a prescribed temperature.

Second, since condensation occurs in the interior of the main body during the winter season, the condensation becomes water droplets as time passes and falls to the water distribution equipment, thereby preventing a short circuit accident from occurring.

1 is a sectional view showing a distribution box according to the background art;
2 is a perspective view showing a cooling and moisture-proof distribution cabinet according to the present invention.
FIG. 3 is a perspective view showing a cooling / moisture-proofing portion formed in a cooling / moisture-proofing distribution box according to the present invention, viewed from below. FIG.
4 is a cross-sectional view taken along the line F-F 'in Fig.
Fig. 5 is a block diagram showing the principle that the cooling and damping distribution cabinet according to the present invention is operated by a temperature sensor and a humidity sensor. Fig.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

FIG. 2 is a perspective view showing a cooling and moisture-proof distribution cabinet according to the present invention, FIG. 3 is a perspective view showing a cooling and moisture- Fig. 5 is a block diagram showing the principle of the operation of the cooling / damping distribution cabinet according to the present invention by the temperature sensor and the humidity sensor.

Generally, the power distribution box is box-shaped and includes a main body 110 in which a door 113 is mounted to house a power distribution unit such as a high-voltage transformer or an instrumental current transformer.

According to the present invention, it is possible to prevent a reduction in efficiency due to the supply of cool air when a predetermined temperature or more is detected in the main body 110, and to prevent a short circuit accident caused by condensation by supplying warm air .

To this end, the cooling / dampening distribution cabinet 100 according to the present invention is configured as follows.

The cooling and moisture proofing part 120 is installed on the outer surface of the main body 110 and is capable of supplying cool air and warm air to the main body 110.

The cooling and dewing part 120 is installed on the outer surface of the main body 110 and is connected to the inside of the main body 110 to form a cool air tube 121 for supplying cool air. And a hot air tube 123 connected to the inside of the main body 110 to supply hot air. Also, a connection pipe 125 for connecting the cold air pipe 121 and the hot air pipe 123 is formed. Accordingly, the cold air tube 121, the hot air tube 123, and the connection tube 125 are formed in a U shape.

The thermoelectric element 127 is accommodated in the connection pipe 125 and has a cooling surface 1271 directed toward the cold air tube 121 and a heat generating surface 1273 directed toward the hot air tube 123 . The thermoelectric element 127 is a plate-shaped one in which a DC power source is supplied to one side to generate heat and the other side to be cooled, so that any person skilled in the art can understand the detailed description.

A cooling fin 1231 is attached to the cooling surface 1271 to extend the contact surface of the air and a cooling fan 1243 is attached to the cooling pin 1231. A radiating fin 1273 attached to the heating surface 1273 and extending the contact surface of the air is formed and a radiator fin 1245 is attached to the radiating fin 1273. The cooling fins 1231 and the radiating fins 1273 are configured to divide the inside of the connection pipe 125 so that the phenomenon of mixing of cold air and hot air does not occur.

A cold air discharge pipe 1255 and a hot air discharge pipe 1257 connected to the cold air pipe 121 and the hot air pipe 123 are connected to the lower ends of the cold air pipe 121 and the hot air pipe 123, Therefore, the rainwater is prevented from being introduced when rainfall occurs.

Further, since the cold air direction switching valve 1263 is disposed between the cold air discharge pipe 1255 and the cold air pipe 121 to change the flow path, the cold air pipe 121 is closed, the cold air pipe 1255 is closed, So that the cold air tube 121 is closed and the cold air outlet tube 1255 is opened.

The warm air direction switching valve 1265 is disposed between the hot air discharge pipe 1257 and the hot air pipe 1245 to change the flow path so that the hot air pipe 125 is opened and the hot air discharge pipe 1257 is closed, And is configured to close the warm air tube 125 and open the hot air discharge tube 1257.

In addition, a suction port 126 is formed to penetrate through the connection pipe 125 and correspond to the cooling fin 1231 and the heat dissipation fin 1233. In order to prevent the inflow of rainwater during rain, .

A temperature sensor T and a humidity sensor C mounted inside the main body 110 are configured and connected to the temperature sensor T and the humidity sensor C to receive A controller C for driving the cold air fan 1243 and the hot air fan 1245 and for driving the cold air direction switching valve 1263 and the hot air direction switching valve 1265 by applying power to the thermoelectric element 127, ).

Further, an exhaust fan (not shown) is installed in the main body 110 to exhaust air therein. The exhaust fan is configured to be operated by the control unit C when humidity exceeding the predetermined level is detected.

The controller C drives the hot air direction switching valve 1265 to close the hot air tube 123 and open the hot air outlet tube 1257 when the temperature sensor T receives a predetermined temperature signal from the temperature sensor T. Then, the cold air discharge pipe (1255) is closed by opening the cold air discharge pipe (121). Therefore, the cool air generated by the cool air fan 1243 facing the cooling surface 1271 of the thermoelectric element 127 is supplied to the inside of the main body 110 through the cool air pipe 121. When the temperature sensor T senses a temperature lower than the predetermined temperature, the operation is stopped.

The control unit C drives the cold air direction switching valve 1263 to close the cold air pipe 121 and open the cold air outlet pipe 1257 when the humidity sensor S receives a humidity signal higher than the predetermined humidity . Then, it is configured to open the hot air tube 123 and close the hot air outlet tube 1257. The hot air generated by the hot air fan 1245 opposed to the heat generating surface 1273 of the thermoelectric element 127 is supplied to the inside of the main body 110 through the hot air tube 123. When the humidity sensor S senses the humidity below the predetermined humidity, the operation is stopped.

Hereinafter, the operation of the present invention will be described.

Since the air temperature is high in summer (summer), the inside of the main body 110 can easily become a predetermined temperature or more. At this time, when the temperature sensor T sends an abnormal signal to the control unit C, the control unit C applies power to the thermoelectric device 127, and the cold air fan 1243, the hot air fan 1245, The air sucked by the suction port 126 is heat-exchanged by the cooling fin 1231 and then flows into the main body 110 through the cooling pipe 121 as described in the configuration of the control unit C Lower the temperature. The heat generated from the heat generating surface 1273 of the thermoelectric element 127 is heat-exchanged while the air sucked in the suction port 126 passes through the heat dissipation fin 1233 and flows through the hot air discharge pipe 1257 ). Accordingly, the heat generated from the heat generating surface 1273 of the thermoelectric element 127 is released, thereby improving the cooling efficiency. If the temperature sensor T senses a temperature lower than the predetermined temperature, the operation is stopped.

Since the air temperature is low in winter (winter), condensation easily occurs in the inside of the main body 110. That is, since the internal temperature of the main body 110 is higher than that of the main body 110, if water vapor in the main body 110 touches the inner surface of the main body 110 with the outside air, it becomes dew condensation. The control unit C applies power to the thermoelectric module 127 and supplies the power to the cool air fan 1243. When the humidity sensor S senses a humidity higher than the predetermined humidity and sends an abnormal signal to the controller C, The hot air fan 1245 and the exhaust fan are driven and the air sucked in through the suction port 126 is heat-exchanged by the heat radiation fins 1233 and then flows through the hot air tube 123 as described in the configuration of the control unit C And flows into the main body 110 to evaporate condensation. At this time, condensation evaporated by the exhaust fan is exhausted. At this time, since the air introduced into the suction port 126 is heat-exchanged with the cooling fin 1231 and is discharged by the cooling fan 1243, the efficiency of the heat generating surface 1273 is prevented from being lowered. If the humidity sensor S senses a humidity lower than the predetermined humidity, the operation is stopped.

According to the present invention, since the inside of the main body 110 is cooled when the heat generated in the water supply and distribution facility inside the main body 110 reaches a predetermined temperature in the following summer, the efficiency is improved It is possible to prevent the occurrence of a short circuit accident because the degree of accuracy of output voltage is improved and the contact portions of the cable terminals connected to the water power distribution equipment are melted and separated by heat above a prescribed temperature. Also, since dew condensation occurs in the main body 110 during the winter (winter) period, the condensation becomes water droplets over time and drops to the water distribution equipment, thereby preventing a short circuit accident.

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Therefore, it is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention, but are intended to be illustrative, and therefore, the scope of the technical idea of the present invention is not limited by these embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: Cooling and desiccant distribution cabinet 110:
120: cooling and moisture proofing part 121: cold air pipe
123: warm air duct 125: connector
126: inlet 127: thermoelectric element
1271: Cooling surface 1273: Heating surface
1231: cooling fin 1233:
1243: Cold air fan 1245: Hot air fan
1255: Cool air discharge pipe 1257: Hot air discharge pipe
1263: cold air direction switching valve 1265: warm air direction switching valve
T: Temperature sensor S: Humidity sensor
C:

Claims

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A main body 110 configured to receive the control portion in a box shape,
And a cooling / moisture-proof part (120) mounted on an outer surface of the main body (110) and configured to supply cold air and warm air to the inside of the main body (110)
The cooling / moisture-proof part (120)
A cool air pipe 121 mounted on an outer surface of the main body 110 and connected to the inside of the main body 110 to supply cool air,
A hot air tube 123 mounted on an outer surface of the main body 110 and connected to the inside of the main body 110 to supply hot air,
A connection pipe 125 connecting the cold air pipe 121 and the hot air pipe 123,
A thermoelectric element 127 accommodated in the connection pipe 125 and having a cooling surface 1271 facing the cold air tube 121 and a heating surface 1273 facing the warm air tube 123,
A cooling fin 1231 attached to the cooling surface 1271,
A radiating fin 1273 attached to the heating surface 1273,
A cooling fan 1243 and a hot air fan 1245 attached to the cooling fin 1231 and the cooling fin 1273, respectively,
A cold air discharge pipe 1255 and a hot air discharge pipe 1257 connected to the cold air pipe 121 and the hot air pipe 123,
A cold air direction switching valve 1263 mounted between the cold air discharge pipe 1255 and the cold air pipe 121 to change the flow path,
And a warm air direction switching valve (1265) mounted between the hot air discharge pipe (1257) and the hot air pipe (123) to change the flow path.

The method of claim 3,
And a suction port (126) penetrating the connection pipe (125) and corresponding to the cooling fin (1231) and the heat dissipation fin (1233).

5. The method of claim 4,
Wherein the suction port (126) is disposed on a lower surface of the coupling pipe (125).

5. The method of claim 4,
Wherein the cold air discharge pipe (1255) and the hot air discharge pipe (1257) are connected to the lower surfaces of the cold air pipe (121) and the hot air pipe (123), respectively.

The method of claim 3,
A temperature sensor T and a humidity sensor C mounted inside the main body 110,
The thermoelectric device 127, the cold air fan 1243 and the hot air fan 1245 are driven in response to the temperature or humidity signal exceeding the prescribed level in association with the temperature sensor T and the humidity sensor C, And a control section (C) for driving the valve (1263) and the warm air direction switching valve (1265).