KR20170115318A - Rack with temperature control - Google Patents

Abstract

[0001] The present invention relates to an enclosure having a temperature control function, and more particularly to an enclosure in which communication or computer equipment is mounted; A temperature sensor installed at an inner or outer end of the housing; A cooling processor mounted on a side surface or a rear surface of the housing and driven when the temperature measured by the temperature sensor is higher than a reference temperature to lower the internal temperature of the housing; A control unit for storing a reference temperature value for the inside or the outside of the housing and driving and controlling the cooling processing unit according to a temperature measured by the temperature sensor; An air conditioner having a refrigeration cycle consisting of a compressor, a condenser, an expander and an evaporator so as to guide the inside of the casing to a cooling process while sucking outside air in a space where the casing is installed, .
According to the embodiment of the present invention, it is possible to mount both the indoor space and the outdoor space, and the cooling processing unit and the heater are installed in the housing for housing the communication equipment or the computer equipment, It is possible not only to operate in a stable state in the environment but also to reduce the installation cost and the maintenance cost.

Description

Rack with temperature control < RTI ID = 0.0 >

The present invention relates to a housing having a temperature control function, and more particularly, to a housing which is mounted not only in an indoor space but also in an outdoor space, and which supplies cold or warm air for controlling temperature directly to the inside of a housing for storing various communication equipments or computer equipment The present invention relates to an enclosure having a temperature control function.

Generally, in an interior space of a computer room and a communication room, an access floor panel is usually installed at a predetermined height from the floor surface, a plurality of enclosures are installed on the lower panel after the access, To install various communication equipment and computer equipment.

At this time, the access panel is formed with a plurality of panel portions on which a plurality of enclosures are installed, a fixed head on which the plurality of panel portions are installed, and a fixed flange fixed to the bottom surface at a lower end thereof. And a pedestal.

Here, the installation of the access panel after the access allows not only the horizontal position of the plurality of enclosures to be maintained, but also the electric wiring and the communication wiring are embedded in the space provided between the floor and the access panel This is for preventing wires from being dullly slackened, preventing static electricity in the indoor space, and simplifying the interior of the room by wiring.

The floor space of the indoor space is provided with an air flow path for cooling various communication equipments housed in a plurality of enclosures and the heat generated by operation of the computer equipment so that various communication equipments and computer equipment can be operated at optimum temperature. .

That is, the cooling air generated in the air conditioner flows through the flow path between the bottom surface of the indoor space and the lower panel after the access, through the supply hole formed in a part of the plurality of panel parts included in the lower panel, It is possible to cool various computer equipment or communication equipment installed in the housing.

However, the flow path provided between the floor surface of the indoor space and the lower panel after access fails to efficiently supply the cooled air to the enclosure as various wiring lines are buried.

Particularly, since cold air is discharged to the enclosure of the indoor space through the bottom channel and the discharged cold air can not be directly transmitted to the various equipments installed inside the enclosure, the cooling efficiency of the equipments can not be achieved immediately I have.

In order to overcome the above-mentioned problems, various wiring trays are installed in a space formed between the bottom surface and the access panel after the access, and the electrical wiring and communication wiring are arranged. However, various communication equipment and computer equipment There is a problem that the above-mentioned problem occurs again.

Also, in order to overcome the above problems, an air conditioner having a large capacity or a plurality of air conditioners can be installed. However, in this case, installation space of the air conditioner is secured and installation cost and maintenance cost There is a problem that it increases.

On the other hand, HPA (High Power Amplifier), LPA (Linear Power Amplifier) and digital processing unit of a mobile communication repeater, which is an outdoor communication system, generate a lot of heat, and heat generated from the above- In addition, there is a problem that the possibility of malfunction or breakage of components due to the component overheating phenomenon is increased.

In order to overcome the above-mentioned problems, conventionally, heat generated in the housing is cooled by various methods such as a water-cooled heat exchanger, a high efficiency cooling module, and a cooling system. However, There is a problem that the maintenance cost is increased.

Korean Patent Publication No. 2003-065439 Korean Patent Publication No. 2006-028546 Korean Utility Model Registration No. 20-0319852

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above problems, and it is an object of the present invention to provide a computer system and a computer system, which are installed in an outdoor space as well as an indoor space, And a temperature control function for enabling the communication equipment to operate in a stable state in an optimal environment.

In addition, a temperature control function is provided to reduce the installation cost and maintenance cost by configuring the case which is divided into the front and the rear case in the housing and the case in which the cooling processing unit, the heater, the emergency operation unit, And an object of the present invention is to provide an enclosure having a body.

A housing having a temperature control function according to an embodiment of the present invention includes a housing in which communication or computer equipment is mounted; A temperature sensor installed at an inner or outer end of the housing; A cooling processor mounted on a side surface or a rear surface of the housing and driven when the temperature measured by the temperature sensor is higher than a reference temperature to lower the internal temperature of the housing; A control unit for storing a reference temperature value for the inside or the outside of the housing and driving and controlling the cooling processing unit according to a temperature measured by the temperature sensor; An air conditioner having a refrigeration cycle consisting of a compressor, a condenser, an expander and an evaporator so as to guide the inside of the casing to a cooling process while sucking outside air in a space where the casing is installed, .

Further, a heater may be further mounted on a side surface or a rear surface of the enclosure to raise the internal temperature of the enclosure when the temperature measured by the temperature sensor is lower than a reference temperature.

In addition, an emergency operation part for lowering the internal temperature of the housing by sucking outside air in an emergency such as a power failure is further mounted on a side or a rear surface of the housing. The emergency operation part includes an emergency driving fan for sucking outside air, And a filter for removing foreign matter such as dust contained in the outside air.

At this time, a filtering unit having a filter may be installed on the side or back of the enclosure so as to filter foreign substances contained in air discharged from the inside to the outside of the enclosure.

The case is separated into a front case and a rear case, a power input unit and the control unit are mounted on one side, and a case having a mounting space formed therein is detachably mounted.

The front case has a front air inflow part for inflowing outside air into the lower part and a front air discharging part for discharging the inside air of the enclosure to the outside, And the rear case is formed with a rear air supply unit for supplying the outside air introduced into the rear case through the front case to the inside of the case, And a rear air discharge unit for delivering the air inside the front case to the inside of the case while sucking the inside air of the case into the space between the rear air supply unit and the rear air discharge unit, An additional portion may be formed.

According to the embodiment of the present invention, it is possible to mount both the indoor space and the outdoor space, and the cooling processing unit and the heater are installed in the housing for housing the communication equipment or the computer equipment, It is possible not only to operate in a stable state in the environment but also to reduce the installation cost and the maintenance cost.

In addition, it is possible to reduce the installation cost and the maintenance cost by constructing the case in which the front and rear case are separated from each other and the case including the cooling processing part, the heater, the emergency operation part, Can be increased.

1 is a side view showing a housing having a temperature control function according to the present invention;
2 is a plan view showing a housing having a temperature control function according to the present invention.
3 and 4 are a front view and a side view showing a cooling processing unit, a heater, emergency operation, and the like constituting a housing having a temperature control function according to the present invention.
5 and 6 are a front view and a rear view of a casing of a housing having a temperature control function according to the present invention.
FIGS. 7 to 9 are side views showing an air flow state of a housing having a temperature control function according to the present invention. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated with like reference numerals throughout the specification.

FIG. 1 is a side view of a housing having a temperature control function according to the present invention, FIG. 2 is a plan view showing a housing having a temperature control function according to the present invention, and FIG. And FIGS. 3 and 4 are a front view and a side view of the cooling processing unit, the heater, and the emergency operation of the housing having the temperature control function according to the present invention. FIGS. 5 and 6 are views 1 is a front view and a rear view showing a case.

The enclosure 100 having a temperature control function according to the present invention includes a enclosure 200 having an opening 210, a communication device 220 mounted on the enclosure 200, a cooling processor 300 for cooling the computer equipment, A heater 400 for heating the communication equipment 220 or the computer equipment, a temperature sensor 800, and a controller 800.

Here, the enclosure 200 is not limited to the drawing. In the present invention, the enclosure 200 is formed by combining a plurality of frames and an opening 210 is formed in the front and rear portions of the enclosure 200 .

An emergency operation part 600 for supplying external air in case of emergency such as a power failure and a filtering part 700 for filtering and discharging air discharged from the housing 200 are selectively mounted on the housing 200.

The cooling processing unit 300, the heater 400, the emergency operation unit 600 and the filtration unit 700 may be separately mounted to the housing 200. In the present invention, the cooling processing unit 300, The heater 400, the emergency operation unit 600, the filtration unit 700, the temperature sensor 800 and the control unit 900 are mounted on the case 500 and mounted on the case 200, .

First, a case 500 in which the cooling processing unit 300, the heater 400, the emergency operation unit 600, the filtration unit 700, the temperature sensor 800, and the control unit 900 are mounted will be described. The case 500 is detachably mounted to the housing 200.

That is, the case 500 is selectively installed in the opening 210 of the housing 200 while receiving the cooling processing unit 300, the heater 400, the emergency operation unit 600, and the filtering unit 700, It is possible to quickly replace and inspect components while protecting the cooling processing unit 300, the heater 400, the emergency operation unit 600, the filtration unit 700, the temperature sensor 800, and the control unit 900 will be.

The case 500 has a front case 510 in which a case opening 511 is formed at the rear and a mounting space 512 is formed in the case 500 and a case opening 511 of the front case 510, And a rear case 520 which is mounted to the rear case 520.

That is, the case 500 has a rectangular box shape, and the rear case 520 is coupled to or separated from the front case 510 in which a case opening 511 is formed at the rear and a mounting space 512 is formed therein.

The front case 510 is formed with a front air inflow portion 514 for inflowing outside air into the lower portion and a front air discharging portion 515 for discharging air from the inside of the enclosure 200 to the outside. And a case air discharging part 516 for discharging the air in the mounting space 512 to the outside is formed between the front air inflow part 514 and the front air discharging part 515.

That is, the front case 510 sucks the outside air through the front air inlet 514 formed at the lower portion and the air delivered from the inside of the housing 200 through the front air outlet 515 formed at the upper portion So that it can be discharged to the outside.

The case air discharging portion 516 discharges the air exchanged between the outside air introduced through the front air inlet 514 and the internal air delivered from the housing 200.

Here, the plurality of through holes forming the front air inlet 514, the front air outlet 515, and the case air outlet 516 are not limited to those shown in the drawings, but may be variously formed and arranged .

The rear case 520 is formed with a rear air supply unit 521 for supplying the outside air introduced through the front case 510 to the interior of the enclosure 200, A rear air discharging portion 522 for transmitting air to the inside of the front case 510 is formed and the air inside the enclosure 200 is provided between the rear air supplying portion 521 and the rear air discharging portion 522 A case air circulating part 523 for supplying the inside air of the front case 510 to the inside of the housing 200 while being sucked is formed.

That is, the rear case 520 is formed with a rear air supply unit 521 for supplying the air introduced through the front air inflow unit 514 to the inside of the enclosure 200, A rear air discharging portion 522 for transmitting air to the inside of the front case 510 is formed and the air inside the enclosure 200 is sucked between the rear air supplying portion 521 and the rear air discharging portion 522, A commercial air circulation unit 523 is formed so as to be supplied again.

The plurality of through holes forming the rear air supply unit 521, the rear air discharge unit 522, and the commercial air circulation unit 523 are not limited to those shown in the drawings, but may be variously formed and arranged.

The cooling processing unit 300 sucks and discharges the outside air in accordance with an operation signal of the controller 900 and sucks the internal air of the enclosure 200 to lower the internal temperature of the enclosure through heat exchange.

That is, the cooling processing unit 300 compares the internal temperature measurement value of the housing 200 delivered from the temperature sensor 800 for measuring the internal temperature of the housing 200 with the temperature set by the controller 900, It will work in case.

The cooling processing unit 300 includes a cooling drive fan 311 for sucking outside air and a cooling cycle for cooling the air supplied from the housing 200 when the outside air is moved by the operation of the cooling drive fan 311, And an air conditioner 312 having an air conditioner (not shown).

That is, the cooling processing unit 300 includes a condenser 313, an evaporator 314, a compressor 315, and an air conditioner 312 having a refrigeration cycle composed of an expander, while sucking and discharging outside air during operation of the cooling drive fan 311 So that the air supplied from the enclosure 200 can be cooled.

The rotational speed of the cooling drive fan 311 may vary depending on the temperature of the temperature sensor 800 for measuring the internal temperature of the enclosure 200. The air conditioner 312 may include a cooling fan The present invention is not limited to the drawings, and a known air conditioner may be selectively applied depending on environment, purpose, and the like.

The cooling processing unit 300 is disposed at the center of the case 500 for smooth circulation of the air introduced from the outside and the air delivered from the enclosure 200, .

The heater 400 raises the internal temperature of the housing 200 when the controller 900 transmits a heating operation signal.

That is, the heater 400 is driven when the temperature measured by the temperature sensor 800 is lower than the reference temperature, thereby raising the internal temperature of the housing 200.

The heater 520 is attached to the commercial air circulation unit 523 of the rear case 520, which is in close contact with the housing 200 and constitutes the case 500 through which the air inside the housing 200 is discharged.

That is, the heater 400 is mounted on the commercial air circulation unit 523 of the case 500 closely attached to the housing 200, and the heated air is supplied to the interior of the housing 200 while minimizing heat loss.

At this time, it is disclosed that a known air blowing fan can be selectively installed in the commercial air circulating unit 523 to smoothly supply the heated air to the enclosure 200.

Next, a dehumidifier 420 may be selectively installed on one side of the heater 400 to remove moisture from the enclosure.

That is, the air dehumidifier 420 removes the moisture formed inside the enclosure 200 when the dehumidification operation signal of the controller 900 is transmitted.

At this time, the air dehumidifier 420 can be removed according to the environment, purpose, and the like, and the air dehumidifier is constructed by using a known air dehumidifier.

The emergency operation portion 600 is selectively installed in the internal mounting space 512 of the case 500 and forcibly sucks external air in an emergency such as a power failure to supply external air to the interior of the housing 200 do.

The emergency operation unit 600 includes an emergency driving fan 610 for forcedly sucking outside air and a filter 620 mounted on the emergency driving fan 610 to remove foreign substances such as dust contained in the outside air, .

That is, the emergency operation unit 600 controls the internal temperature of the housing 200, which is transmitted from the temperature sensor 800 for measuring the internal temperature of the housing 200 in an emergency such as a power failure, When cooling is required, the cooling operation signal is transmitted to the emergency driving fan 510 so that the internal temperature of the housing 200 can be lowered.

The emergency operation unit 600 may be configured to transmit the air to the enclosure 200 while rotating the emergency operation fan 610 in accordance with the air flowing through the case 500 without external power supply .

The filtration unit 700 may be mounted on a side surface or a rear surface of the enclosure 200 and the filtration unit 700 may be mounted on a case 500 having a front air discharge unit 515 .

That is, the filtration unit 700 is installed on the upper part of the case 500 and removes foreign matter such as dust contained in the air inside the enclosure 200 discharged from the rear air discharge unit 522 through the filtration filter 720 So that it can be filtered.

Here, the filter 720 may include a structure in which a filter medium is installed on the inner side of an outer case made of wood or saucer material, and a structure in which the filter case 720 is integrally fixed with the outer case using an epoxy sealant Is used.

The temperature sensor 800 may be mounted inside or at one end of the enclosure 200. In the present invention, the temperature sensor 800 is mounted to the rear air outlet 522 of the rear case 520. [

That is, the temperature sensor 800 is mounted on the rear air discharge unit 522 to measure the temperature of the internal air discharged from the housing 200 in real time.

Here, the temperature sensor 800 is not limited to the illustrated diagram, and a known temperature sensor may be selectively used.

The control unit 900 may be installed solely in the enclosure 200 and the control unit 900 may be installed in the case 500 in the present invention.

That is, the control unit 900 controls the cooling processing unit 300, the heater 400, and the emergency operation unit 600.

The control unit 900 may transmit the cooling operation signal or the heating operation signal to the cooling processing unit 300 or the heater 400 in accordance with the internal temperature of the housing 200 transmitted from the temperature sensor 800 And to transmit the cooling operation signal to the emergency operation unit 600 in an emergency.

The power input unit 920 supplies external power to the cooling processing unit 300, the heater 400, the emergency operation unit 600, and the control unit 900.

The power input unit 920 can be directly supplied with external power and is also supplied with power from the enclosure 200 to control the control unit 900, the cooling processing unit 300, the heater 400, Power can be supplied to the operating unit 600. [

When the power input unit 900 is supplied with power through the enclosure 200, the power is supplied to the interior of the enclosure 200 through the cooling processing unit 300 and the heater 400, The internal temperature of the enclosure 200 can be lowered through the emergency operation unit 500 when an emergency (power failure) occurs in which the emergency power (DC power) is supplied.

Hereinafter, a description will be made with reference to an embodiment of a housing having the above-described temperature control function. Here, the housing having the temperature control function is installed in an outdoor space such as a building roof, in addition to an indoor space such as a computer room and a communication room.

First, a case opening 511 is formed at the rear, a mounting space 512 is formed therein, a front air inflow portion 514 for introducing outside air into the lower portion is formed, And a case air discharging portion 515 for discharging the inside air to the outside is formed between the front air inflow portion 514 and the front air discharging portion 515 516 are formed.

A rear air supply unit 521 for supplying the outside air introduced through the front case 510 to the inside of the enclosure 200 is formed at the lower part and the air inside the enclosure 200 is connected to the front case 510, And a front case 510 is formed between the rear air supply unit 521 and the rear air discharge unit 522 while sucking the air inside the enclosure 200. [ And a case air circulating part 523 for supplying the air inside the housing 200 to the inside of the housing 200 is formed.

The blocking plate 513 is mounted in the mounting space 512 of the front case 510 located between the front air discharging portion 515 and the case air discharging portion 516. [

That is, the installation space 512 in which the emergency operation unit 600, the cooling processing unit 300, and the heater 400 are installed is communicated for air circulation, and the installation space of the cooling processing unit 300 and the filtration unit 700 The blocking plate 513 is mounted so that the air inside the enclosure 200 discharged to the outside can be prevented from mixing with the air inside the case 500.

The control unit 900 controls the cooling processing unit 300, the heater 400 and the emergency operation unit 600 in the rear case 520 and the cooling processing unit 300 and the heater 400, A power source input unit 920 for supplying the power to the emergency operation unit 600 is mounted and a temperature sensor 800 is attached to a portion where the rear air discharge unit 522 is formed. The filter filter 720 is mounted inside the case 500 to be mounted.

Next, an emergency driving fan 610 for forcibly sucking outside air is provided in a lower portion of the inner mounting space 512 of the case 500, and dust and the like mounted on the upper portion of the emergency driving fan 610 And an emergency operation unit 600 composed of a filter 620 for removing foreign substances.

The external air is sucked and discharged in accordance with an operation signal of the control unit 900 to the internal mounting space 512 of the case 500 located at the upper portion of the emergency operation unit 600 and the internal air of the enclosure 200 is sucked A cooling processing unit 300 for supplying cooled air to the inside of the housing through heat exchange and a heating unit 300 for heating the inside air of the housing 200 according to an operation signal of the control unit 900, And a heater 400 for supplying air is mounted.

Next, after the front case 510 and the rear case 520 are coupled, the cooling process unit 300, the heater 400, the emergency operation unit 600, the filtration unit 700, the temperature sensor 800, 900 is mounted on the front opening 210 of the enclosure 200, the assembly of the enclosure 100 having a temperature control function is completed.

Here, it is understood that the assembling sequence of the housing having the temperature control function can be configured differently from the above.

Hereinafter, a cooling process will be described with reference to the operation of the housing 100 having the temperature control function. The power input unit 920 includes a power supply unit .

The control unit 900 measures the temperature of the internal air of the enclosure 200 discharged from the rear air discharge unit 522 according to the real time or the set time through the temperature sensor 800, .

Next, the control unit 900 compares the set temperature and the measured temperature value, and transmits a cooling operation signal to the cooling processing unit 300 when the measured temperature value is higher than the set temperature.

The cooling processing unit 300 is operated by the cooling drive fan 311 to suck and discharge the outside air while using the air conditioner 312 including the condenser 313 and the evaporator 314 and the compressor 315 So that the air supplied from the enclosure 200 is heat-exchanged and cooled, and then supplied to the inside of the enclosure 200. [

The control unit 900 compares the measured temperature value of the internal air discharged from the rear air discharge unit 522 through the temperature sensor 800 with the set temperature in real time or a predetermined time, The control unit 900 controls the cooling unit 300 to cool the enclosure 200 and the equipment 220 installed in the enclosure through the process of sending a stop signal to the cooling process unit 300 will be. (See Figure 9)

The power input unit 920 may include a power supply unit for supplying power to the power supply unit 200 through the enclosure 200, .

The control unit 900 measures the temperature of the internal air of the enclosure 200 discharged from the rear air discharge unit 522 according to the real time or the set time through the temperature sensor 800, .

Next, the control unit 900 compares the set temperature and the measured temperature value, and transmits a heating operation signal to the heater 400 when the measured temperature value is lower than the set temperature.

Then, the heater 400 heats circulated air through the rear air circulation unit 523 of the rear case 520, and then supplies the heated air to the interior of the housing 200.

The control unit 900 compares the measured temperature value of the internal air discharged from the rear air discharge unit 522 through the temperature sensor 800 with the set temperature in real time or a predetermined time, The control unit 900 heats the enclosure 200 and the equipment 220 installed inside the enclosure through a process of sending a stop signal to the heater 400 when the temperature of the air discharged from the enclosure 200 reaches the set range . (See Figure 10)

Hereinafter, an emergency cooling process of the housing 100 having the temperature control function will be described. The power input unit 920 will be described as an example in which an emergency power source (DC power source) is supplied through the enclosure 200 do.

First, the temperature of the inside air discharged from the rear air discharge unit 522 is measured through the temperature sensor 800, and then the temperature measurement value of the inside air is transmitted to the controller 900.

Next, the control unit 900 compares the set temperature and the temperature measurement value. When the temperature measurement value is higher than the set temperature, the control unit 900 activates the emergency driving fan 610. The filter 900 is disposed in front of the emergency driving fan 610 620 may remove foreign matter such as dust contained in the outside air introduced through the front air inflow portion 514 and then supply the filtered air to the interior of the enclosure 200 to prevent the airtightness of the enclosure 200 and the enclosure 200 Thereby cooling the equipment 220 installed therein.

The control unit 900 compares the measured temperature value of the internal air discharged from the rear air discharge unit 522 through the temperature sensor 800 with the set temperature in real time or at a set time and discharges it from the rear air discharge unit 522 The control unit 900 cools the enclosure 200 and the equipment 220 mounted inside the enclosure through a process of sending a stop signal to the emergency driving fan 610 . (See Fig. 11)

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the specific forms and orientations, and various modifications and changes may be made by those skilled in the art. The present invention is not limited thereto.

100: Enclosure having temperature control function,
200: housing, 210: opening,
300: cooling processing part, 400: heater,
420: dehumidifier, 500: case,
510: front case, 511: case opening,
512: internal mounting space, 513: blocking plate,
514: front air inlet, 515: front air outlet,
520: rear case, 521: rear air supply part,
522: rear air discharge portion, 523: commercial air circulation portion,
600: Emergency operating part, 610: Emergency driving fan,
620: filter, 700: filtration part,
720: Filtration filter, 800: Temperature sensor.
900: Control section.

Claims (6)

A housing in which communication or computer equipment is mounted;
A temperature sensor installed at an inner or outer end of the housing;
A cooling processor mounted on a side surface or a rear surface of the housing and driven when the temperature measured by the temperature sensor is higher than a reference temperature to lower the internal temperature of the housing;
A control unit for storing a reference temperature value for the inside or the outside of the housing and driving and controlling the cooling processing unit according to a temperature measured by the temperature sensor; And,
Wherein the cooling processing unit is an air conditioner having a refrigeration cycle including a compressor, a condenser, an inflator and an evaporator to guide the inside of the housing to a cooling process while sucking outside air in a space in which the housing is installed, Functional enclosure. The method according to claim 1,
Wherein a heater is further mounted on a side surface or a rear surface of the housing to raise the internal temperature of the housing when the temperature measured by the temperature sensor is lower than a reference temperature. The method according to claim 1,
An emergency operation unit for sucking outside air in an emergency such as a power failure and lowering the internal temperature of the enclosure is further mounted on a side surface or a back surface of the enclosure,
Wherein the emergency operation unit comprises an emergency driving fan for sucking outside air, and a filter for removing foreign matter such as dust contained in the outside air, mounted on the emergency driving fan. The method according to claim 1,
Wherein a filter unit having a filter for filtering foreign matter contained in air discharged from the inside to the outside of the enclosure is further mounted on the side or rear surface of the enclosure. The method according to claim 1,
Wherein the housing is divided into front and rear cases, and a power input unit and the control unit are mounted on one side of the case, and a case having a mounting space is mounted on the case in a detachable manner. 6. The method of claim 5,
The front case is formed with a front air inflow part for inflowing outside air into the lower part, and a front air discharging part for discharging the inside air of the enclosure to the outside is formed at the upper part, and a front air inflow part is provided between the front air inflow part and the front air discharging part A case air discharging portion for discharging the internal air to the outside is formed,
The rear case is formed with a rear air supply unit for supplying the outside air introduced through the front case to the interior of the enclosure and a rear air exhaust unit for transmitting the inside air of the enclosure to the inside of the front case, Wherein a case air circulating part is provided between the rear air supplying part and the rear air discharging part to supply the inside air of the front case to the inside of the case while sucking the inside air of the case.

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