KR20170057991A - Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet - Google Patents

Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet Download PDF

Info

Publication number
KR20170057991A
KR20170057991A KR1020150161587A KR20150161587A KR20170057991A KR 20170057991 A KR20170057991 A KR 20170057991A KR 1020150161587 A KR1020150161587 A KR 1020150161587A KR 20150161587 A KR20150161587 A KR 20150161587A KR 20170057991 A KR20170057991 A KR 20170057991A
Authority
KR
South Korea
Prior art keywords
closing plate
holes
wall
electrical equipment
plate
Prior art date
Application number
KR1020150161587A
Other languages
Korean (ko)
Other versions
KR101775793B1 (en
Inventor
지문학
김인환
Original Assignee
한국수력원자력 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국수력원자력 주식회사 filed Critical 한국수력원자력 주식회사
Priority to KR1020150161587A priority Critical patent/KR101775793B1/en
Publication of KR20170057991A publication Critical patent/KR20170057991A/en
Application granted granted Critical
Publication of KR101775793B1 publication Critical patent/KR101775793B1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The present invention relates to an apparatus to automatically close a radiating hole discharging heat generated from the inside of an electrical equipment box or cabinet including electrical equipment to the outside, and specifically, relates to an apparatus to automatically close a radiating hole of an electrical equipment cabinet, automatically block and close the radiating hole upon fire, to prevent leakage or electric failure of electrical equipment from gas- or water-based firefighting agent. To this end, in an automatic radiating hole closing apparatus of an electrical equipment cabinet to discharge the heat generated from the inside including the electrical equipment to the outside through radiating holes (101) formed on a wall (100), a closing plate (1) is mounted on the outer surface of the discharge holes (101) of the wall (100). The upper part of the closing plate (1) is hinge-connected to a mounting bracket (2) fixated in the top of the radiating holes (101) formed on the wall (100) through a hinge (3) and an elastic linear spring (4) fixated in the mounting bracket (2) is connected to the rear end of the closing plate (1), so the closing plate (1) is mounted while being pulled to be opened by a predetermined angle () with respect to the top of the radiating holes (101).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic closing apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a closing device for a discharge hole for discharging heat generated in the interior of an electric equipment box or an electric equipment cabinet containing electric equipment, for example, Which can prevent leakage or electrical failure of electrical equipment from gas and water-based fire extinguishing agents.

A large number of electrical equipment cabinets or electrical equipment cabinets are installed in the fire protection area divided by the entire industry, and these electrical equipment boxes have the function of protecting the electric system of the corresponding industry.

On the other hand, fire extinguishing facilities used in fire zones in case of fire can be classified into gas fire extinguishing facilities and water fire extinguishing facilities, and fire extinguishing agents of electronic gas fire extinguishing facilities use carbon dioxide and halogen. A halogen-based clean fire extinguishing agent and an inert gas such as an inert gas are used.

The latter water-based fire-extinguishing system uses fire-fighting water, and fire extinguishing agents that mix water and chemicals are used for special purposes.

In general, when the fire occurs in a fire zone, the fire and heat generated from the fire zone are made up of fire walls so as not to diffuse to neighboring neighboring areas. In some cases, And are being protected.

Therefore, when the electric equipment cabinet or the electric equipment cabinet is positioned indoors or serves as a partition wall, air is blown through the air discharge holes 101 formed in the wall body 100 for air circulation of the electric equipment box as shown in FIGS. 3A and 3B And communicates with the adjacent region through the heat-releasing hole (101) when performing the role of the wall.

Accordingly, when a fire occurs, when the fire extinguishing operation is performed using the gas-based fire extinguishing agent and the water-based fire extinguishing agent, the extinguishing agent penetrates through the heat-releasing holes 101 of the electric- So that the electric conductor inside the electric equipment box could cause an electrical failure such as short circuit, grounding, deterioration of control function, and the like.

However, conventionally, there has been a problem in that it is not possible to protect the internal electric equipment by shutting off the heat-releasing holes of the electric equipment box in an emergency state such as a fire.

Korean Utility Model Registration No. 20-0362881 (September 13, 2004).

Accordingly, the present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a fire extinguishing system for a fire extinguisher, And it is an object of the present invention to provide an automatic closing device for a radiating hole of an electric equipment box which can prevent intrusion of electric power by preventing electric breakdown or damage to persons caused by electric leakage.

According to an aspect of the present invention, there is provided an apparatus for automatically closing a radiating hole of an electric equipment box, the apparatus comprising: an electric equipment installed therein for discharging heat generated from the inside through radiating holes formed in the wall; The upper end of the closing plate is hingedly connected to a mounting bracket fixed to the upper end of the radiating holes formed in the wall, and the lower end of the closing plate is connected to the mounting bracket fixed to the mounting bracket. And a linear spring is connected and mounted so as to be pulled so as to open the closing plate at a certain angle (?) With respect to the heat releasing holes.

Further, in the present invention, magnets are attached to both sides of the closing plate so that the closing plate closely contacts the metallic wall when the closing plate is closed and closed.

In the automatic closing apparatus for a radiating hole of an electric equipment according to the present invention, when the fire is generated, the closing plate mounted on the radiating holes is automatically closed by the pressure difference between the inside and the outside of the wall and the weight of the closing plate, So that the electric equipment can be protected.

Brief Description of the Drawings Fig. 1 is a front view showing a heat-radiating automatic closing apparatus of an electric equipment box according to the present invention,
Fig. 2 is a cross-sectional view taken along the line I-I in Fig. 1,
3 (A) and 3 (B) are views showing a heat dissipation structure of a conventional electric equipment box, wherein (A) is a vertical heat dissipation hole and (B) is a horizontal heat dissipation hole.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments, and various modifications are possible without departing from the gist of the present invention.

1 and 2, the present invention provides an electric heating system for an electrical equipment box, which includes electric equipment installed therein and discharges heat generated from the inside thereof to the outside through the heat dissipation holes 101 formed in the wall 100, The closing plate 1 is mounted on the outer surface of the heat dissipation holes 101 of the wall body 100 so that the closing plate 1 is fixed to the top of the heat dissipation holes 101 formed in the wall 100, The upper end of the closing plate 1 is hingedly connected to the mounting bracket 2 via a hinge 3 and a spring 4 fixed to the mounting bracket 2 is connected to the end of the closing plate 1, The plate 1 is mounted so as to be pulled so as to open at a predetermined angle? With respect to the upper end of the air discharge holes 101. [

Here, the linear spring 4 is designed so that the spring elasticity F 1 and the spring force F 2 can be maintained at a predetermined angle? As shown by the solid line in FIG. 2 with respect to the heat- the power relationship between the closing plate (1) the weight (F 2) of it is set to be maintained in F 1> F 2.

Further, the weight (F 2) of the closure plate (1) has a spring modulus (strength), so as to be supported by a linear spring 4, the closed plate 1, the electrical equipment compartment louvers formed in the wall 100 And is made of a lightweight and elastic material, for example, made of Al, Ti, glass fiber, or the like.

On the other hand, a plurality of magnets 5 are built in both sides of the closing plate 1 to improve close tightness with the metallic wall when the closing plate 1 closes and closes the heat-releasing holes 101, At the end of the plate (1) is mounted a channel type water receptacle (6) for receiving condensate water which can enter from the outside.

The operation of the present invention having the above-described structure will be described.

The closing plate 1 installed on the upper end of the heat releasing holes 101 formed in the wall 100 of the electric appliance box by means of the hinge 3 is normally held by the elastic force F 1 of the linear spring 4 The closing plate 1 is supported by the linear spring 4 so as to maintain the open state of the heat releasing holes 101 and the spring elastic force F 1 and the closing plate of its own weight (F 2) of the (1) between the F 1> maintains the state of the F 2 (F 1 = k △ x, k is the spring constant, △ x is a spring elastic length; F 2 = ㎎, m is Closed mass, g is gravitational acceleration).

Here, it is preferable to set the elastic force F 1 of the linear spring 4 such that the opening angle? Of the closing plate 1 is opened to about 40 to 20 degrees.

When the gas-extinguishing agent is operated in the state where the heat-releasing holes 101 are open, when the gas-extinguishing agent is operated, the closing plate 1 is displaced from the solid line position of FIG. 2 by the pressure difference F 4 between the fire area and non- The magnetic force F 3 of the magnet 5 installed on the closing plate 1 further increases the sealing force and the relationship of the force at this time is F 1 <F 2 + F 3 will act as a + F 4 (F 1 is a spring elastic force, F 2 is closed plate self weight, F 3 is a magnetic force of the magnet, F 4 is a city gas based foam discharge pressure, F 4 = DELTA PA where DELTA P is the differential pressure and A is the area applied to the differential pressure).

On the other hand, when using water-based fire extinguishing water such as a micro-dispersion water, the closing door 1 is automatically operated to close and close the heat-releasing hole 101. Here, the relationship of force acts as F 1 <F 2 + F 3 + F 5 is (F 5 has a number of its own weight digestion F 5 = ρVg; ρ is density digestion, V is the drip tray can digest volume, g is the acceleration of gravity).

With the above-described operation, the automatic radiator closing mechanism of the electric equipment according to the present invention automatically closes and closes the radiator, the air circulation hole, and the gap provided throughout the industry, which is used similarly as well as the electric equipment cabinet It can be seen that the present invention can be widely applied to a device that can be used.

In addition, according to the present invention, when the closed plate 1 is closed or opened in the heat-releasing holes 101 and is operated in conjunction with a visual and audible indicator such as an alarm or an alarm, if necessary, So that the plate 1 can be opened manually when the air discharge hole 101 is closed and closed.

The present invention is designed to automatically close the air discharge holes 101 formed in the wall 100 of the electric equipment box using the closing plate 1 at the time of fire occurrence by using the pressure difference between the inside and outside and the self weight of the closing plate It is possible to protect the electric equipment installed in the inside of the electric equipment box from the gas system and the water-based fire extinguishing agent injected from the outside.

1: Closing plate, 2: Mounting bracket,
3: hinge, 4: linear spring,
5: magnet, 6: water tray,
100: a wall, 101: a heat-radiating element.

Claims (7)

The present invention relates to an automatic closing device for a radiating hole of an electric equipment box, in which electric equipment installed in the interior of the wall 100 is discharged to the outside through the radiating holes 101 formed in the wall 100,
A closing plate 1 is mounted on an outer surface of the heat dissipation holes 101 of the wall 100. The closing plate 1 is fixed to the upper surface of the heat dissipation holes 101 formed in the wall 100, The upper end portion of the closure plate 1 is hingedly connected via a hinge 3 to the distal end of the closure plate 1 and connected to the distal end of the closure plate 1 by a linear spring 4 fixed to the mounting bracket 2, Is installed in a state of being pulled so as to open at a certain angle (?) With respect to the upper end of the discharge holes (101). The method according to claim 1,
The linear spring 4 is urged by the spring elastic force F 1 so that the closed plate 1 in a steady state can be kept open at a certain angle? With respect to the hitting holes 3 with respect to the heat- And the force of the self weight (F 2 ) of the closing plate (1) is set to F 1 &gt; F 2 . The method according to claim 1,
Wherein the closing plate (1) is designed to have a length and a width so as to maintain a state in which the closing plate (1) is completely closed by the heat releasing holes (101) formed in the wall body (100) of the electric appliance box. 3. The method of claim 2,
Wherein an elastic force F 1 of the linear spring 4 is set such that an opening angle θ of the closing plate 1 is between about 40 ° and 20 °. The method according to claim 1,
A plurality of magnets 5 are installed on both sides of the closing plate 1 to improve close tightness with the metallic wall when the closing plate 1 is closed and closed by the closing plate 1, 1) is equipped with a channel-type water receiver (6) for receiving condensation water which can be infiltrated from the outside. The method according to claim 1,
When the fire extinguishing agent is operated in the state where the air discharge holes 101 are opened, when the gas-extinguishing agent operates, the closing plate 1 is displaced from the solid line position of FIG. 2 by the pressure difference F 4 between the fire area and non- The magnetic force F 3 of the magnet 5 installed on the closing plate 1 further increases the sealing force and the relationship of the force at this time is F 1 &Lt; F 2 + F 3 + F 4 .
(F 1 is the spring elasticity, F 2 is the weight of the closed plate, F 3 is the magnetic force of the magnet, F 4 is the pressure difference at the time of discharge of the gas-based extinguishing agent, F 4 = Δ PA, ΔP is the differential pressure, Area applied) The method according to claim 1,
When the water-based fire extinguishing water is used in the state where the heat-releasing holes 101 are opened, the closing door 1 is automatically operated to close and close the heat-releasing hole 101. The relation of force at this time is F 1 <F 2 + F &lt; 3 &gt; + F &lt; 5 &gt;.
(F 5 has a number of its own weight digestion F 5 = ρVg; ρ is density digestion, V is the drip tray can digest volume, g is the acceleration of gravity)
KR1020150161587A 2015-11-18 2015-11-18 Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet KR101775793B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150161587A KR101775793B1 (en) 2015-11-18 2015-11-18 Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150161587A KR101775793B1 (en) 2015-11-18 2015-11-18 Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet

Publications (2)

Publication Number Publication Date
KR20170057991A true KR20170057991A (en) 2017-05-26
KR101775793B1 KR101775793B1 (en) 2017-09-06

Family

ID=59052134

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150161587A KR101775793B1 (en) 2015-11-18 2015-11-18 Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet

Country Status (1)

Country Link
KR (1) KR101775793B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109195420A (en) * 2018-11-01 2019-01-11 秦爽 It is a kind of can automatic heat radiation electrical cabinet cabinet door device
CN113097903A (en) * 2021-04-23 2021-07-09 青岛腾宇电气设备工程有限公司 Power distribution cabinet
CN116780358A (en) * 2023-05-23 2023-09-19 江苏日安电气有限公司 Automatic outage fire-extinguishing power cabinet

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014188557A1 (en) * 2013-05-23 2014-11-27 三菱電機株式会社 Control box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109195420A (en) * 2018-11-01 2019-01-11 秦爽 It is a kind of can automatic heat radiation electrical cabinet cabinet door device
CN113097903A (en) * 2021-04-23 2021-07-09 青岛腾宇电气设备工程有限公司 Power distribution cabinet
CN116780358A (en) * 2023-05-23 2023-09-19 江苏日安电气有限公司 Automatic outage fire-extinguishing power cabinet
CN116780358B (en) * 2023-05-23 2023-11-28 江苏日安电气有限公司 Automatic outage fire-extinguishing power cabinet

Also Published As

Publication number Publication date
KR101775793B1 (en) 2017-09-06

Similar Documents

Publication Publication Date Title
KR101555620B1 (en) Auto fire extinguishing unit for incoming and distributing board
KR101547869B1 (en) Emp protection rack
CA2826882C (en) Arc-resistant switchgear enclosure with vent prop and latch
KR101775793B1 (en) Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet
EP3214383B1 (en) Air conditioner
US8817471B2 (en) Overheat suppression systems and methods for an electrical housing
KR101786459B1 (en) Distributing board of apartment house
CA2826879A1 (en) Arc-resistant switchgear enclosure with latch for vent flap
CA2556852A1 (en) Device for cooling electronic modular units in device and network cabinets
WO1986002568A1 (en) Fireproof cabinet system for electronic equipment
KR102009032B1 (en) Electric distribution board equipment with throwing type fire extinguisher
CN202657520U (en) Container
JP3807004B2 (en) Air conditioner using flammable refrigerant
KR101418779B1 (en) An Air Conditioning Server Room
ES2816873T3 (en) Mobile data center
GB2536675A (en) A fireproof cover for protecting a consumer unit from fire
JP6163321B2 (en) Cooling system
KR20170035244A (en) Overpressure device for automatically opening and closing the cover with a lid closing feature
CN209046094U (en) A kind of ventilation device of fire-resistant arc
JP2022060305A (en) Attachment structure for fire extinction appliance
CN210040963U (en) Incoming line cabinet
US10074964B2 (en) Ventilation cover for an electrical enclosure
KR200474628Y1 (en) Refrigerator
KR101544347B1 (en) Apparatus for discharging and shutting off overpressure
NO178391B (en) Solvent storage cabinets, flammable liquids and the like.

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right