KR20150027588A - Device for Cooler for Distributing Board and Method for Controlling The Same - Google Patents

Abstract

The present invention relates to a cooling device for a distributing board capable of intensively cooling an overheated point in a distributing board, and a method for controlling the same. According to the present application, it includes a temperature sensor which is formed in each point of the cabinet of a distributing board connected to cables or wires and measures the temperature of points, a cooling part which is arranged in the distributing cabinet, generates wind, and can control wind direction and wind speed, and a control part which controls the wind direction and wind speed of the cooling part according to the temperature measured in each temperate sensor.

Description

Technical Field [0001] The present invention relates to a cooling apparatus for a distribution board,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a cooling apparatus for an electric power distribution board and a control method thereof.

The switchboard is a device equipped with various switches, instruments and relays to which electric or telecommunication cables are connected.

In buildings and ships and plants, communication and electric power are used in places where they are used. Recently, the use of electric power equipment and communication equipment is increasing, and the use of switchboard is increasing.

Such a switchboard generates heat due to a large amount of power and signals flowing therein. If such heat is left unattended, there is a risk of malfunction or fire due to overheating.

In the published Utility Model No. 20-2012-0004308, a structure in which a temperature controller is provided inside an outdoor enclosure on which various kinds of equipments are mounted is disclosed.

However, such a conventional switchboard has a structure in which the temperature inside the switchboard is uniformly regulated as a whole. In the switchboard, a plurality of places where the temperature can be elevated are gradually increased, but the temperatures of the switches and the relay are not uniformly raised as a whole, Can only be heated.

However, since the conventional temperature regulator uniformly cools the entire inside of the power distribution board, it is not a structure capable of concentrating and cooling only the overheated area, so it may take a long time for cooling, which makes it difficult to cool quickly, There is a concern.

Public utility model 20-2012-0004308

The present application is directed to solve the above problems and provides an apparatus for cooling an electrical equipment of a distribution board and a control method thereof, which can measure a point overheated in an electrical switchboard, It is a task to do.

The problems of the present application are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an embodiment of the present invention, a temperature sensor is provided at each of a plurality of locations at different points in a cabinet of a distribution board to which a plurality of cables or electric wires are connected, A cooling unit disposed in an cabinet of the cabinet for generating wind and capable of adjusting the wind speed and the wind direction and a control unit for controlling the wind speed and the wind direction of the cooling unit according to the temperature measured by the respective temperature sensors.

The cooling unit may include a first motor that generates a rotational force and that is operated and rotated by the control unit, a fan that rotates and generates wind by the first motor, a fan coupled to the first motor or the fan, And a second motor which is controlled by the rotation angle or the rotation amount to adjust the angle of the fan.

Alternatively, the cooling unit may include a first motor that generates a rotational force and that is operated and rotated by the control unit, a fan that is rotated by the first motor to generate wind, and a fan A slider that is coupled to the first motor or the fan and slides along the rail to enable movement of the position of the fan, a rotation angle or a rotation amount is controlled by the control unit, and the slider moves on the rail And a third motor for driving the motor.

Alternatively, the cooling unit may include a first motor that generates a rotational force and that is operated and rotated by the control unit, a fan that generates wind by being rotated by the first motor, and a fan that generates wind by controlling the direction of wind generated by the fan A lug having an adjustable angle, a lug having a gear teeth formed on a side thereof at a position spaced apart from a rotation center axis of the louver, a gear coupled to the lever, and controlled by the control unit, And a fourth motor for adjusting the angle of the louver by moving it.

In addition, a filter may be further provided in the inlet for filtering the foreign substances in the air introduced into the cabinet of the cabinet.

According to another aspect of the present invention, there is provided a method of controlling a temperature sensor, comprising: setting a relative position or a relative angle from a cooling unit of each of a plurality of temperature sensors and a reference temperature for each temperature sensor to the control unit; Comparing a temperature set for each temperature sensor with an input temperature, comparing the input temperature with a preset temperature, comparing the input temperature with a temperature detected by the temperature sensor, A wind direction control step of controlling the wind direction or the position of the fan so as to face the direction in which the wind direction is located, and an air amount control step of controlling the wind amount in accordance with the temperature difference degree of the temperature sensor, A method is disclosed.

The air flow rate controlling step may be a step of controlling the air flow rate according to the temperature difference degree of the temperature sensor controlled to be directed in the wind direction control step.

According to the present application, it is possible to perform centralized cooling for a locally overheated point, thereby preventing the interior temperature of the power distribution board from rising, preventing overheated parts from being intensively cooled, .

The effects of the present application are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

The foregoing summary, as well as the detailed description of the embodiments of the present application set forth below, may be better understood when read in conjunction with the appended drawings. Embodiments are shown in the figures for purposes of illustrating the present application. It should be understood, however, that this application is not limited to the precise arrangements and instrumentalities shown.
FIG. 1 is a perspective view illustrating an electric distribution panel with an electric distribution panel cooling apparatus according to a first embodiment of the present invention; FIG.
FIG. 2 is a perspective view illustrating a cooling unit of the power distribution board cooling apparatus of FIG. 1; FIG.
3 is a perspective view illustrating a cooling unit according to a second embodiment of the present invention;
Figure 4 shows the rails of the cooling section of Figure 3 and the third motor;
FIG. 5 is a perspective view showing a louver and a leak and a fourth motor in a cooling unit according to a third embodiment of the present invention; FIG. And,
6 is a flowchart showing an embodiment of an electric distribution panel cooling apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

1 is a view showing an electric distribution panel to which an electric distribution panel cooling apparatus according to a first embodiment of the present application is applied.

The power distribution board cooling apparatus according to the first embodiment of the present invention may include a temperature sensor 110, a cooling unit 120, a control unit 140, and a filter 150.

As shown in FIG. 1, the switchboard 10 includes a cabinet 20 which forms an outer shape and accommodates various electric wires, components such as switches and relays, and the cabinet 20 can be opened The door 30 may be provided.

The cabinet 20 and the door 30 are provided with an air intake port 40 through which external air flows into the cabinet 20 and an air exhaust port through which the air inside the cabinet 20 is discharged to the outside of the cabinet 20. [ (50) may be formed.

At least one of the air inlet 40 and the air outlet 50 may be formed at any position of the cabinet 20 and the door 30, In this embodiment, the air inlet 40 is formed on the lower side of the door 30 and the air outlet 50 is formed on the upper side of the cabinet 20.

The air inlet 40 may be provided with a filter 150 for filtering dust or the like in the air flowing into the cabinet 20.

The temperature sensor 110 may be provided at a plurality of positions corresponding to respective points where heat is expected in consideration of the arrangement of components such as electric wires, switches, and relays (not shown) disposed in the cabinet 20 .

In the present embodiment, the temperature sensor 110 is provided on the door 30 of the switchboard 10. However, the present invention is not limited to this, It is possible to arrange it at an arbitrary position inside the cabinet 20.

The cooling unit 120 may be disposed inside the cabinet 20 to generate wind in the cabinet 20 and to adjust the wind speed and the wind direction.

The control unit 140 may set data on a relative position between the temperature sensor 110 and the cooling unit 120 and a normal temperature range of the temperature measured by each temperature sensor 110, And to control the wind speed and the wind direction or the position of the cooling unit 120.

2, the cooling unit 120 may include a fan 124, a first motor 122, and a second motor 126, as shown in FIG.

The first motor 122 may be controlled to be turned on, off, and rotated by the controller 140.

The fan 124 is rotated by the first motor 122 to generate wind in the cabinet 20.

The second motor 126 is coupled to the first motor 122 or the fan 124 and the rotation amount or the rotation angle of the second motor 126 is controlled by the controller 140 so that the angle .

Accordingly, the controller 140 controls the first motor 122 to adjust the airflow, and the second motor 126 to control the airflow.

Hereinafter, the second embodiment of the present application will be described.

In the second embodiment of the present invention, the configuration of the cooling unit 220 is different from that of the first embodiment, and the other parts are substantially the same. The description of the other parts will be omitted in the description of the above embodiments.

3, the cooling unit 220 includes a first motor 222 and a fan 224, a rail 226, a slider 228, and a third motor 225 .

The first motor 222 may be controlled to be turned on, off, and rotated by the controller 140.

The fan 224 is rotated by the first motor 222 to generate wind in the cabinet 20.

The rail 226 may be arranged to have a longitudinal direction in any one direction in the switchboard. That is, on one side of the inside of the cabinet 20.

The slider 228 may be coupled to the first motor 222 or the fan 224 and may be slidably moved along the rail 226 to allow the position of the fan 224 to be moved. have.

The third motor 225 is controlled by a rotation angle or a rotation amount of the third motor 225 by the control unit 140 and may be provided in the slider 228 to move the slider 228 with respect to the rail 226. have.

4, a gear tooth 229 is formed on the rail 226 and a pinion 227 rotated by the third motor 225 is engaged with the gear tooth 229, .

Accordingly, the control unit 140 controls the first motor 222 to adjust the air volume, and the third motor 225 controls the position of the fan 224 to control the concentrated cooling position .

Hereinafter, a third embodiment of the present application will be described.

The third embodiment of the present application differs from the first and second embodiments described above in the structure of the cooling unit 320, and the other parts are substantially the same, and therefore, The configuration of the cooling unit will be described, and the description of the other parts will be omitted in the description of the above embodiments.

5, the cooling unit 320 includes a first motor (not shown), a fan (not shown), a louver 332, a recoil 328, and a fourth motor 325, . ≪ / RTI >

The first motor (not shown) and the fan (not shown) are the same as those of the first motor 122 and the fan 124 of the first and second embodiments described above, so a detailed description thereof will be omitted

As shown in FIG. 5, the louver 332 is provided on the side from which the wind is discharged from the fan 124, and the angle of the louver 332 is adjusted so as to adjust the direction of wind blowing from the fan 124. A pin 326 may be formed at a position spaced apart from the rotation center shaft 324 of the louver 332. [

The lug 328 is formed with a hole 329 which is hinged with a pin 326 spaced apart from the rotation center axis 324 of the louver 332 and a gear tooth 323 is formed on a surface of the hole 329. have.

The fourth motor 325 rotates the pinion 327 engaged with the gear teeth 323 by controlling the rotation amount and the rotation angle of the fourth motor 325 by the control unit 140, The angle of the louver 332 can be adjusted by linearly moving the louvers 332 in the longitudinal direction.

Hereinafter, a control method of the distribution board cooling apparatus of the present application will be described.

6, the control method of the power distribution board cooling apparatus according to the present embodiment includes a setting step S110, a temperature measuring step S120, a comparing step S130, a wind direction controlling step S140, S150).

The setting step (S110) may be a step of inputting the reference temperature of each of the plurality of temperature sensors (110).

Here, the reference temperature may mean the temperature range when the normal operating range. The reference temperature may vary depending on the temperature of the component measured by each temperature sensor 110.

In the setting step S110, the position of each of the temperature sensors 110 or the relative position with respect to the cooling unit 120 may be input.

The reference temperature or the position of the temperature sensor 110 may be input to the controller 140 in the setting step S110.

In the temperature measurement step S120, the temperature measured for each temperature sensor 110 is input to the controller 140 and monitored.

The comparing step S130 is a step of comparing the reference temperature for each temperature sensor 110 inputted to the controller 140 in the setting step S110 and the reference temperature for each temperature sensor 110 measured in the temperature measuring step S120, And comparing whether the measured temperature is higher than a predetermined reference temperature or not.

If the temperature measured by the comparing step S130 is higher than the reference temperature, the wind direction control step S140 may control the direction of the fan 110 so that the temperature sensor 110 is positioned 124 or by controlling the angle of the louver 322 to control the wind direction or to change the position of the fan 224 so that the wind generated by the fan is intensively cooled toward the overheated temperature sensor 110 .

If the temperature measured in the comparing step S130 is higher than the reference temperature, the control of the air flow rate S150 may be performed in accordance with the temperature difference between the measured temperature and the reference temperature. And controlling the number of revolutions to control the air volume.

The air flow rate control step S150 may be performed to calculate the temperature difference of the temperature sensor of the fan 124 in the wind direction control step S140 so as to cool the temperature sensor.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. . Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and thus the present application is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

10: Switchboard 20: Cabinet
30: Door 40: Air inlet
50: air outlet 110: temperature sensor
120: cooling section 122: first motor
124: fan 126: second motor
140: controller 150: filter
220: cooling section 222: first motor
224: Fan 225: Third motor
226: rail 227: pinion
228: Slider 229: Gear tooth
320: cooling section 322: louver
323: gear teeth 324: rotation center axis
325: fourth motor 326: pin
327: pinion 328:
329: Hall S110: Setting step
S120: Temperature measurement step S130: Comparison step
S140: Wind direction control step S150: Wind speed control step

Claims (7)

A temperature sensor provided at each of a plurality of different points in the cabinet of the distribution panel to which a plurality of cables or electric wires are connected and measuring the temperature at each point;
A cooling unit disposed in the cabinet of the cabinet for generating wind and capable of adjusting the wind speed and the wind direction; And
And a control unit for controlling the wind speed and the wind direction of the cooling unit according to the temperature measured by each of the temperature sensors. The method according to claim 1,
The cooling unit includes:
A first motor which generates rotational force and whose operation and rotational speed are controlled by the control unit;
A fan rotated by the first motor to generate wind;
And a second motor coupled to the first motor or the fan, the second motor being controlled by the control unit to control the angle of rotation or the amount of rotation to control the angle of the fan. The method according to claim 1,
The cooling unit includes:
A first motor which generates rotational force and whose operation and rotational speed are controlled by the control unit;
A fan rotated by the first motor to generate wind;
A rail disposed so as to have a longitudinal direction in any one direction in the distribution board;
A slider coupled to the first motor or fan and slidably moving along the rail to enable movement of the position of the fan;
And a third motor for controlling the rotation angle or the rotation amount by the control unit and driving the slider to move on the rail. The method according to claim 1,
The cooling unit includes:
A first motor which generates rotational force and whose operation and rotational speed are controlled by the control unit;
A fan rotated by the first motor to generate wind;
A louver capable of adjusting the angle of the wind generated by the fan;
A lever pin-coupled to a point spaced apart from the rotation center axis of the louver and having gear teeth formed on a side surface thereof;
And a fourth motor coupled to the leek and controlled by the control unit to adjust the angle of the louver by linearly moving the leek. 5. The method according to any one of claims 1 to 4,
Further comprising a filter installed in the inlet for filtering foreign substances in the air to be introduced into the cabinet of the cabinet. Setting a relative position or a relative angle from a cooling section of each of the plurality of temperature sensors and a reference temperature for each temperature sensor to the control section;
A temperature measurement step in which a temperature measured for each temperature sensor is input to the control unit;
Comparing a temperature set for each temperature sensor with an input temperature and comparing the input temperature with a preset temperature;
A wind direction control step of controlling the wind direction or the position of the fan so that the temperature at which the wind generated from the fan is input is directed to the direction in which the temperature sensor having the set temperature is located;
And controlling an air flow rate in accordance with a temperature difference of a temperature sensor whose temperature is higher than a set temperature. The method according to claim 6,
Wherein the air flow rate control step comprises:
And controlling the air flow rate in accordance with the temperature difference of the temperature sensor controlled to direct the wind in the wind direction control step.

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