KR101468874B1 - The emergency protection apparatus of the server rack - Google Patents

The emergency protection apparatus of the server rack Download PDF

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Publication number
KR101468874B1
KR101468874B1 KR20140106705A KR20140106705A KR101468874B1 KR 101468874 B1 KR101468874 B1 KR 101468874B1 KR 20140106705 A KR20140106705 A KR 20140106705A KR 20140106705 A KR20140106705 A KR 20140106705A KR 101468874 B1 KR101468874 B1 KR 101468874B1
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South Korea
Prior art keywords
rack
exhaust
damper
server
intake
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KR20140106705A
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Korean (ko)
Inventor
이동희
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주식회사 씨엔씨알
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Priority to KR20140106705A priority Critical patent/KR101468874B1/en
Application granted granted Critical
Publication of KR101468874B1 publication Critical patent/KR101468874B1/en
Priority to PCT/KR2015/006613 priority patent/WO2016021832A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Abstract

The present invention relates to an emergency protection device for a server rack, which enables a server mounted inside a rack housing to continuously operate without any problems in an emergency such as abnormally high heat inside the rack housing when a thermo-hygrostat module does not work by a blackout or any other reasons. In a sever rack (10) comprising a rack housing (10) including a mount frame on which a computation system (S) is mounted, a door (2) coupled to the front of the rack housing (1), be able to open or close, and a thermo-hygrostat module (3) maintaining the temperature and humidity inside the rack housing (1) at constant levels, provided is an emergency protection device for the server rack, comprising: an exhaust damper (4) opening in case of an emergency to forcedly discharge air in the rack housing (1) to the outside, and an intake damper (7) opening in case of the emergency to let external air flow into the rack housing (1).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an emergency protector for a server rack,

More particularly, the present invention relates to an emergency protection device for a server rack, and more particularly, to an emergency protection device for a server rack in which a constant temperature and humidity module is not operated due to a power failure or other causes, To an emergency protection device for a server rack so that the server can be normally operated without problems.

In general, a rack refers to the international standard (IEC) for the installation of network equipment and computer equipment including servers, and is a rack-mount system that is stacked in layers for the configuration and installation of computer equipment such as servers and hubs. It is manufactured as a server rack / hub rack / communication rack / network system rack / CCTV rack / multi rack according to the computer equipment to be mounted, and it is called 19 inch rack / 21 inch rack depending on the external size of the computer equipment.

In addition, depending on the functions provided, it is possible to use a sealed rack (a rack that provides a dust inflow and shutoff function), a seismic rack (a rack with vibration prevention function against an earthquake), EMP shielding force (electromagnetic pulses, EMC shelter racks (EMC reduces the noise of electronic devices to prevent them from affecting the operation of other electronic devices, and prevents other electronic devices from being damaged. An EMI shielding rack (a rack with electromagnetic shielding), a non-vibration rack (a rack with the ability to prevent external physical shaking for ships and vehicles) And so on.

In the present invention, the above-mentioned various kinds of racks are collectively referred to as server racks. Servers and computer equipment installed in the above-described server racks can have catastrophic consequences such as system stoppage and failure if the heat load due to highly integrated high performance is not removed.

In general cooling method of such heat load, a separate computer room is formed and the cooled load is blown by blowing the cooled air through the air conditioning unit inside the rack box. When the computer room can not be operated separately due to cost and space problems, And a fan for ventilation is provided inside to correspond to the heat load.

However, when the computer room for server rack is operated separately, cooling air passing through the air conditioning unit must be supplied to the inside of the rack box. Therefore, there is no blocking method against dust inflow, and the temperature due to the connection cable connection of various information processing apparatuses and the heat island phenomenon in the computer room Due to the unbalance of control, the back side of the server rack is often opened to improve efficiency, and thus it can not be prepared against external dust inflow.

On the other hand, in a rack (a cabinet in which various information processing apparatuses such as servers are installed), a blowing fan that can be mounted on a rack box is miniaturized in order to save space when the information processing apparatuses are installed, The server or the information processing apparatus may be seriously damaged, resulting in economic loss and loss of data information.

One of the major reasons for the major failure of the servers and the information processing devices of the server rack is a problem caused by an overload caused by failure in temperature control. To solve this problem, as described above, ) Are generally operated.

However, in the computer room where the server rack is installed, air for removing thermal load is supplied to the inside of the computer room by centralized cooling for the temperature control of the room, and server rack in the computer room is provided with a perforated plate So that sufficient ventilation can be achieved.

Therefore, in order to remove the amount of heat generated in the server rack, it is necessary to eliminate the amount of heat generated in the entire internal space of the computer room, which is disadvantageous in that the energy loss is very large.

In addition, it is impossible to supply enough air to the highly integrated server, and the heat of the rear side of the rack is recirculated to the inlet of the front side of the rack, which can not sufficiently remove the heat load in the rack, Costs of management personnel are incurred.

In addition to the server racks in the computer room, the server racks of the basic type use a perforated plate or the like to increase the ventilation area for heat exchange of the rack box itself for temperature control so that the forcedly cooled air is introduced into and discharged from the inside of the rack housing Structure is required.

Therefore, it is possible to manage the room temperature and humidity by separately controlling the computer room due to the air supply and exhaust system. However, there are problems such as generation of static electricity due to the fine dust introduced into the rack box, malfunction of leakage, spark, It is very disadvantageous to the operation and management of the computer room.

The following describes the prior art related to server racks.

In Reference 1, cool air blown from the air conditioning unit is supplied to the lower air supply mechanism of the rack, and the equipment in the rack is cooled by the cool air, and the air discharged from the air exhaust port is returned to the air conditioning unit A cooling structure of a rack is disclosed.

In Reference 2, cool air is supplied from the cooler unit to a downflow unit detachably installed on the upper portion of the front surface of the server rack through the exchange panel, the cool air is forcedly blown by the downflow unit to cool the electronic equipment, And the waste heat of the unit is exhausted to the outside through the outdoor exhaust duct.

In Reference Document 3, a plurality of server modules each having a main circulation pipe, a main circulation pump, and a cooling portion installed in a rack cabinet and cooling through a main circulation pipe and a water collection portion and an internal pump are connected to the main circulation pipe in parallel A cooling method of a rack-mount server system that smoothly performs heat dissipation of a high heat-generating component mounted on a server module by adopting a liquid cooling method of cooling and draining a cooling liquid and cooling a heat-generating portion in each server module.

Reference 4 discloses a radiator unit having a fan unit in which a plurality of fans arranged to discharge heat generated from a heat source from a rack and pipes for guiding a coolant for releasing heat discharged from the rack by rotation of the fans And a heat exchanger for circulating the refrigerant connected to the pipe.

In Reference 5, a shield finger is disposed along the periphery of a front door opening of an upper body accommodating a server or a router in an inner space, and a lower body Discloses a server rack in which a shield finger is disposed along the periphery of an opening of a lower front door.

Reference 6 also discloses a server rack in which a cabinet completely surrounds the rack unit, a plenum is formed between the rack unit and the rack box, and filler material is filled therebetween to prevent noise by the sound absorbing material.

In order to shield the server rack, it is modularized into a power line inlet of a rack box, an optical cable inlet, a distributor, or the like so as to have a dust shielding structure so that there is no problem in operation and monitoring of servers and information processing apparatuses, The present invention solves the above-mentioned problem caused by fine dust by intrinsically blocking the inflow of fine dust into the inside of the server rack, and also provides a humidification effect together with supply of cooling air to the dust rack- A server rack capable of operating and managing more stably and efficiently by solving the above-mentioned problems that may be caused by a heat load by making it possible to supply high-quality air with a high efficiency,

For reference, the invention disclosed in Reference 7 is a pre-registered invention of the present applicant.

Reference 8 also includes a server storage rack, an exhaust duct, and a control box duct to form a server rack / communication rack and a constant-temperature / humidity-free structure outside the room. And to control the temperature and humidity of a server and network equipment so that noise can be prevented.

(Reference 1) Japanese Laid-Open Patent Publication No. 2004-63755, Feb. 26, 2004. (Reference 2) Japanese Laid-Open Patent Publication No. 2006-93388, 2006.04.06. (Reference 3) Korean Patent Publication No. 10-2004-73983, Aug. 21, 2004. (Reference 4) Korean Patent Publication No. 10-2010-0019308, Feb. 18, 2010. (Reference 5) Korean Patent Publication No. 10-2004-0005948, Jan. 16, 2004. (Reference 6) Korean Patent Publication No. 10-2005-0084871, Aug. 29, 2005. (Reference 7) Korean Patent Publication No. 10-0997045, November 29, 2010. (Reference 8) Korean Patent Laid-Open Nos. 10-2014-0085107, 2014.07.07

As described above, the server rack requires a constant temperature and humidity function to maintain optimal temperature and humidity for the protection and safe operation of the computer equipment mounted in the rack box, thereby enabling optimum efficiency and stable operation. In addition, Since the inflow of dust brings equipment operation droplets, it is also very important to prevent the inflow of dust. Computer equipment and network equipment are very vulnerable to fire, so consideration should be given to this.

As a result, the server rack is equipped with a constant temperature and humidity module that can maintain constant temperature and humidity at all times in order to ensure stable operation with optimum efficiency.

However, when the temperature and humidity module does not operate due to power failure or other causes, the internal temperature of the rack is increased due to the heat of the computer, so the server rack can not perform its function. In other words, the rack rack of the server rack always maintain the constant temperature and humidity by the constant temperature and humidity module, thereby providing the optimum environment for the rack internal server.

However, if the operation of the thermoelectric module is interrupted due to power outage or malfunction, the internal temperature of the rack is raised by a constant heat load by the server, the computer equipment, etc., Causing a fatal problem such as shutdown or damage.

Accordingly, in the present invention, the emergency protection device is automatically operated in an emergency such as when the operation of the constant temperature / humidity module is stopped due to a power failure or when an abnormality higher than a set temperature is generated inside the rack, .

That is, according to the present invention, when the temperature of the constant temperature / humidity module is abnormally high or the temperature is abnormally high, the hot air inside the rack is forcibly discharged to the outside and at the same time the outside air is sucked to ventilate and cool the inside of the rack, So that the computer equipment in the rack can be continuously operated normally without interruption.

Means for Solving the Problems [0010]

According to the invention described in claim 1, Rackham equipped with computerized equipment, a constant temperature and humidity module that keeps the inside of the rack at a constant temperature and humidity, an exhaust damper that is opened in an emergency and forcibly discharges the rack air to the outside; And an intake damper which is opened in an emergency so as to introduce outside air into the rack box, wherein an exhaust duct is formed in an upper portion of the rack box to open and close the exhaust cover by the exhaust cover. And an exhaust cover coupled to a rotating shaft of a damper motor is rotatably driven to open and close the exhaust duct by coupling a bracket to an exhaust duct of the rack housing. An intake duct is formed at a lower portion of the rack, Wherein the intake cover comprises: A bracket is coupled to the intake duct of the rack box, and an exhaust cover coupled to the rotary shaft of the damper motor is rotatably driven on the bracket to open and close the intake duct.

According to the invention described in claim 2, The exhaust system according to claim 1, wherein the exhaust duct is provided with an exhaust fan.

According to the invention described in claim 3, The air conditioner of claim 1, wherein the intake damper comprises: And an intake duct is formed in a lower portion of the door coupled to the front surface of the rack and is opened and closed by an intake cover.

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In the present invention, when an emergency situation occurs such as a disconnection of the constant temperature / humidity module or an abnormally high temperature occurrence, the emergency protection device operates and the computer equipment can be continuously operated normally without interruption due to the internal heat load of the rack.

In the present invention, since the server rack and the emergency protection device are separately supplied and operated by the UPS power supply (Uninterruptible power supply) and the general power supply, the emergency protection device can smoothly operate even in the case of power failure to ensure stable operation stability. The ability to prevent and protect internal servers and computing equipment from being shut down or damaged even in the event of an outage or overheating can provide a number of benefits and benefits, including the ability to provide server racks of superior functionality and reliability .

1 is a perspective view of a door open state of a server rack to which an embodiment of the present invention is applied;
2 is a perspective view of a server rack to which one embodiment of the present invention is applied.
3 is a rear perspective view of a server rack to which one embodiment of the present invention is applied.
4 and 5 are sectional views showing an operating state of the present invention.
6 is an exploded perspective view of a main portion showing the structure of an exhaust damper in the present invention.
7 is an exploded perspective view of a main portion showing an open state of an exhaust damper in the present invention.
8 is a rear perspective view of a door showing a structure of an intake damper according to the present invention.
9 is a rear perspective view of a door showing an opened state of an intake damper in the present invention.
Fig. 10 and Fig. 10A are sectional views of the main part showing the operation state of the exhaust damper. Fig.
Fig. 11 and Fig. 11A are sectional views of the main portion showing the action state of the intake damper. Fig.

SUMMARY OF THE INVENTION A rack that is provided with a mount frame that can be compatiblely installed in accordance with the International Electrical Commission (IEC) / EIA (Electrical Electrical Industries Association) standard, a door that is openably and closably coupled to the front surface of the rack, Wherein the server rack comprises a constant temperature and humidity module that maintains the temperature of the server rack at a constant temperature and humidity,

When the constant temperature and humidity module that keeps the interior of the rack constantly constant temperature and humidity by the refrigerant cycling device does not work due to power outage or other causes, the rack is ventilated by ventilating the inside of the room. Internal servers and computer equipment can be operated normally It is characterized in that the emergency protection device of one server rack is constituted.

Inside the rack, a mount frame is installed to mount a server and computer equipment. A window of transparent material is provided on the front of the rack box so that the internal server, computer equipment, etc. (hereinafter collectively referred to as computer equipment) And the door is coupled so as to be openable and closable.

In addition, a constant temperature and humidity module for maintaining the inside of the rack at a constant temperature and humidity is installed in the lower portion of the rack with the door.

The constant temperature and humidity module is configured to maintain the inside (racking) of the server rack at a constant temperature and humidity through cooling control of a refrigerant cycle apparatus using a compressor and a refrigerant.

The present invention relates to an exhaust damper for discharging internal air of a rack in an emergency such as interruption of the operation of the temperature and humidity / humidity module due to power outage or the like or abnormal high temperature generation, To configure the emergency protection device of the server rack.

The exhaust damper is provided at an upper portion of the rack to facilitate the discharge of high-temperature air inside the rack, and an exhaust fan is installed to forcibly discharge the internal air. The inlet damper is formed at the lower portion of the rack to forcefully discharge the inside air, Of the fresh air of the rack can be introduced into the rack.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view of a server rack to which an embodiment of the present invention is applied, FIG. 3 is a rear perspective view of a server rack to which an embodiment of the present invention is applied, and FIG. 6 is an exploded perspective view showing the structure of an exhaust damper in the present invention, Fig. 7 is an exploded perspective view of a main portion showing an open state of the exhaust damper in the present invention, Fig. 8 is a cross- FIG. 9 is a rear perspective view of a door showing an opened state of an intake damper in the present invention, FIGS. 10 and 10A are a sectional view of a main portion showing an operation state of an exhaust damper, , And Fig. 11A is a sectional view of the main portion showing the operation state of the intake damper.

The server rack (10) comprises: A door 2 which is openably and closably connected to a front portion of the rack box 1 and a rack box 1 which is mounted at a lower portion of the rack box 1 1) a constant temperature and humidity module (3) which keeps the inside at a constant temperature and humidity.

The door 2 is coupled with a transparent window 21 so as to be openable and closable by a hinge on one side thereof and the constant temperature and humidity module 3 is racked by cooling control by a refrigerant cycle apparatus using a compressor and a refrigerant 1) It is configured to keep the inside at constant temperature and humidity.

The detailed configuration of the rack box 1, the door 2 on the front part, and the constant temperature / humidity module 3 on which the mount frame for mounting the computer equipment S and the like are installed is different from the present invention. And detailed description and explanation thereof will be omitted.

The present invention is characterized in that the exhaust damper (4) and the intake damper (7) are installed in the rack (1) of the server rack (10) and when the temperature and humidity module (3) The air damper 4 is opened to forcibly discharge the hot air inside the rack 1 and the outside air is racked by the intake damper 7. In the case of an internal And the emergency protection device is constructed so that the computer equipment (S) inside the rack box (1) can be normally operated without any problem.

The exhaust damper 4 is preferably installed on the upper part of the rack 1 so that the hot air inside the rack 1 can be easily discharged to the outside. The intake damper 7 introduces outside air into the rack 1, It may be preferable to install the air conditioner in the lower part of the rack 1 so that ventilation and cooling of the rack 1 discharged through the exhaust damper 4 can be performed.

The exhaust damper 4 is provided with an exhaust duct 41 on an upper portion of the rack box 1 and an exhaust cover 5 is installed on the exhaust duct 41 so as to open and close.

The exhaust cover (5) comprises: A bracket 53 is coupled to the rack box 1 on which the exhaust duct 41 is formed and an exhaust cover 5 is provided on the bracket 53 so as to be openable and closable by a damper motor 51.

That is, a bracket 53 is coupled to the exhaust duct 41 of the rack box 1, and a damper motor 51 is mounted on the bracket 53 to connect the exhaust cover 5 So as to open and close the exhaust duct 41 with the exhaust cover 5 provided on the rotary shaft 52 of the damper motor 51. [

On the other hand, the exhaust duct (41) in which the exhaust cover (5) is installed is provided with an exhaust fan (6) to stop the operation of the temperature and humidity module (3) The exhaust duct 41 is opened by the exhaust cover 5 at the time of emergency such as the occurrence of a high temperature and the exhaust fan 6 is actuated to forcibly exhaust the hot air inside the rack 1.

The exhaust fan 6 is installed inside the exhaust duct 41 to forcefully discharge the air inside the rack 1 communicated to the outside by the exhaust duct 41.

An intake damper 7 for introducing outside air into the rack 1 is provided in the lower portion of the rack box 1. The intake damper 7 introduces outside air from the lower portion of the rack box 1, It is preferable to install the air conditioner in the lower portion of the rack 1 so that the air can be discharged and vented through the exhaust damper 4. In the present invention, as a most preferred embodiment, the door is installed in the door 2 which is opened and closed on the front surface of the rack 1. However, it may be installed directly on the rack 1 according to the shape and structure of the rack 1 There is also.

The door 2 is formed with an intake duct 71 through which external air can be introduced into the rack 1 when the intake damper 7 is opened and the intake duct 8 is opened and closed with respect to the intake duct 71. [ Install it to operate.

The intake cover (8) comprises: A mounting bracket 83 is provided on the intake duct 71 and the intake cover 8 is coupled to the mounting bracket 83 by means of the rotary shaft 82 of the damper motor 81 in an openable and closable manner. That is, the intake cover 8 is installed on the rotary shaft 82 of the damper motor 81 and rotates the rotary shaft 82 by the damper motor 81 to open and close the exhaust duct 71 with the intake cover 8 .

The exhaust damper 4 and the intake damper 7 provided in the rack box 1 and the exhaust cover 5 and the intake cover 8 provided in the exhaust damper 4 and the intake damper 7 are arranged in the shape And the like, or by substituting equivalent means.

The present invention having the above-mentioned configuration is characterized in that the constant temperature and humidity module (3) for keeping the rack (1) at constant temperature and humidity is provided with the detection signal when an emergency such as interruption of operation due to power failure, The exhaust damper 4 is opened and the exhaust fan 6 is operated so that the hot air in the rack 1 is exhausted to the outside through the exhaust damper 4.

At the same time when the exhaust damper 4 is opened, the fresh air is introduced into the rack 1 through the intake damper 7 opened to open the intake damper 7, thereby preventing the internal temperature rise of the rack 1 And the computer (S) etc. are operated in an emergency so as to be continuously operated normally.

The temperature and humidity module 3 is connected to the normal power source 91 as usual and the exhaust damper 4 of the rack box 1 and the exhaust fan 6 and the intake damper 7 are connected to a power source To the UPS power supply 9 so that the emergency protection device can be normally operated in case of emergency such as a power failure (see FIG. 3).

The present invention as described above can be applied to an exhaust damper 4 connected to the UPS power supply 9, an exhaust fan 6 and an intake damper 7 in an emergency such as interruption of operation due to power failure or other causes, And the server rack 10 is normally operated to protect the computer equipment S mounted in the rack box 1. [

The operation of the constant temperature / constant humidity module 3 is interrupted due to a power failure or other causes in the server rack 10 in normal operation while the exhaust damper 4 and the intake damper 7 of the rack box 1 are closed, When an occurrence occurs, the detected signal is transmitted to the exhaust damper 4, the exhaust fan 6, and the intake damper 7 so that they are simultaneously opened.

The sensing means and method, the signal transmitting means, and the method for detecting the disconnection of the constant temperature / constant humidity module 3 due to the power failure or the like, and the like are general technical matters, and therefore, detailed description thereof will be omitted.

The exhaust damper 4 having received the detection signal transmits the detection signal to the exhaust damper 4 when the damper motor 51 is driven to open the exhaust duct 41 connected to the rotary shaft 52 to open the exhaust duct 41, And the exhaust fan 6 provided in the exhaust duct 41 is driven to forcibly discharge the hot air in the rack 1 through the exhaust duct 41 to the outside.

At the same time, the intake damper 7 provided on the door 2 is opened to allow the outside air to flow into the rack 1.

The intake duct 71 of the intake damper 7 having received the emergency signal is opened by the drive of the damper motor 81 so that the intake cover 8 provided on the rotary shaft 82 is opened to open the exhaust duct 71, ) Outside air enters into the inside.

As described above, the outside air introduced into the rack box 1 is sucked together with the high-temperature air through the exhaust damper 4, and is dropped again in the course of being exhausted through the exhaust damper 4 by lowering the internal temperature of the rack 1 The new outside air is continuously introduced into the rack 1 through the intake damper 7 and the inside of the rack 1 is ventilated so that the temperature rise of the rack 1 is prevented by the ventilation of the outside air, The computerized equipment (S) can be continuously operated normally.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which: FIG.
1: Rack 2: Door
3: Constant temperature and humidity module
4: exhaust damper 41: exhaust duct
5: exhaust cover 51: damper motor
52: rotating shaft 53: bracket
6: Exhaust fan
7: intake damper 71: intake duct
8: intake cover 81: damper motor
82: rotating shaft 83: bracket
9: UPS power (uninterruptible power supply)
91: General power 10: Server rack
S: Computing equipment

Claims (6)

(1), a rack (1), a temperature and humidity module (3) that keeps the inside of the rack at a constant temperature and humidity, and an emergency damper (1) (4); And an intake damper (7) which is opened in an emergency so as to introduce outside air into the rack box (1)
An exhaust duct (41) is formed on the upper part of the rack box (1) and opened and closed by the exhaust cover (5), the exhaust cover (5) A bracket 53 is coupled to the exhaust duct 41 of the rack box 1 and an exhaust cover 5 coupled to the rotary shaft 52 of the damper motor 51 is rotatably driven on the bracket 53, (41) is opened and closed,
An intake duct (71) is formed at a lower portion of the rack box (1) so as to be opened and closed by an intake cover (8), the intake cover (8) A bracket 83 is coupled to the intake duct 71 of the rack box 1 and an exhaust cover 8 coupled to the rotary shaft 82 of the damper motor 81 is rotatably driven on the bracket 83, (81) is opened or closed. The method according to claim 1,
Wherein the exhaust duct (41) is provided with an exhaust fan (6). The method according to claim 1,
The intake damper (7) comprises: Wherein an intake duct (21) is formed in a lower portion of a door (2) coupled to a front surface of the rack box (1) and opened and closed by an intake cover (8). delete delete delete
KR20140106705A 2014-08-07 2014-08-18 The emergency protection apparatus of the server rack KR101468874B1 (en)

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PCT/KR2015/006613 WO2016021832A1 (en) 2014-08-07 2015-06-29 Server rack

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KR101547869B1 (en) * 2015-02-24 2015-08-27 주식회사 씨엔씨알 Emp protection rack
CN105491836A (en) * 2016-01-13 2016-04-13 深圳科士达科技股份有限公司 Emergency ventilation automatic spring-out door and integrated cabinet with same
CN106196398A (en) * 2016-08-29 2016-12-07 南京华设科技股份有限公司 A kind of emergency ventilation rack for modular data center
KR101877954B1 (en) * 2017-12-26 2018-07-12 주식회사 어니언소프트웨어 Air conditioning system for server room
KR20180089267A (en) * 2017-01-31 2018-08-08 주식회사 담스테크 Emp shielding rack
KR20190076402A (en) 2017-12-22 2019-07-02 주식회사 씨엔씨알 The emergency protection apparatus of the server rack
KR20200030386A (en) * 2018-09-12 2020-03-20 영훈이티에스(주) A distribution transformer with improved heat dissipation performance
KR102176850B1 (en) * 2020-07-23 2020-11-11 (주) 삼영이엔지 Air handling system for air conditioning in energy storage system
KR102184498B1 (en) 2019-05-28 2020-11-30 한국전자통신연구원 Lightweight and low-cost emp shield rack
KR20210015469A (en) * 2019-08-02 2021-02-10 엘아이지넥스원 주식회사 Cabinet apparatus and its controlling method
EP4042846B1 (en) * 2019-10-11 2023-08-16 Rittal GmbH & Co. KG Switch cabinet having a closing element preloaded into an open position

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