WO2022211229A1 - Dispositif d'admission d'air pour pupitre de commande - Google Patents

Dispositif d'admission d'air pour pupitre de commande Download PDF

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Publication number
WO2022211229A1
WO2022211229A1 PCT/KR2022/000426 KR2022000426W WO2022211229A1 WO 2022211229 A1 WO2022211229 A1 WO 2022211229A1 KR 2022000426 W KR2022000426 W KR 2022000426W WO 2022211229 A1 WO2022211229 A1 WO 2022211229A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover plate
base
switchboard
suction device
air suction
Prior art date
Application number
PCT/KR2022/000426
Other languages
English (en)
Korean (ko)
Inventor
최이재
Original Assignee
엘에스일렉트릭 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 엘에스일렉트릭 주식회사 filed Critical 엘에스일렉트릭 주식회사
Publication of WO2022211229A1 publication Critical patent/WO2022211229A1/fr

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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
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • 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
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • 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
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303—Bases or feet

Definitions

  • the present invention relates to an air intake device for a switchboard.
  • the switchgear receives high-voltage electricity, reduces the pressure appropriately for the load of each customer, and then distributes it. Concentrate your back on one place.
  • Such a switchboard is provided with an air intake in its lower base to suck in external air, thereby cooling the heat generated from the devices as described above. At this time, the air flows inside the switchboard by convection by heat.
  • the existing switchgear has a thick base and a plurality of pores, so the processing cost is high. Accordingly, when pores cannot be sufficiently formed in the base, a large amount of air cannot be sucked into the switchboard, and thus there is a problem in that it is impossible to reduce heat generation of the devices accommodated in the switchboard.
  • the size of the pores exceeds the waterproof and dustproof standard, it is different from the actual customer specifications, and therefore cannot be applied to the product in more cases.
  • the convection condition in the switchboard may not be established as a result.
  • the pores provided to generate the air flow into the switchboard may not be applied to the actual product, and even if applied, the processing cost is high, so the cost is high compared to the effect.
  • the technical problem to be solved by the present invention is to provide an air suction device for a switchboard, which increases the amount of air intake into the enclosure and at the same time improves the workability of the base coupled to the bottom of the enclosure.
  • the air intake device of the switchboard of an embodiment of the present invention is coupled to the lower portion of the enclosure of the switchboard, the base having through holes on both sides in the longitudinal direction in each of the front and rear; a cover plate coupled to the base to cover the through hole; and a fastening part coupling the cover plate and the base.
  • the through hole may have a shape corresponding to the cross section of the forklift fork formed by cutting so that the fork of the forklift is inserted.
  • the cover plate has a slit arrangement an intake port provided with; and a fastening groove provided on at least one side of the intake port into which the fastening part is inserted.
  • the intake port may be provided in a horizontal arrangement or a vertical arrangement on the cover plate.
  • the fastening portion may screw the cover plate and the base.
  • the fastening portion may include a hinge portion for hinged coupling the cover plate and the base.
  • the hinge portion may couple the upper side of the cover plate and the base.
  • the fastening part may further include a screw coupling part for coupling the lower side of the cover plate and the base.
  • the fastening part may further include a screw coupling part, the hinge part coupling one side of the cover plate and the base, and the screw coupling part coupling the other side of the cover plate and the base.
  • the base may be provided with a fastening groove into which the screw coupling portion is inserted at a position corresponding to the other side of the cover plate.
  • the workability can be improved, and the machining cost can be reduced by the conventional hole machining, thereby improving the manufacturing efficiency.
  • the present invention has a through hole for inserting the fork of the forklift, so that a separate pallet is not required when transporting the switchboard, and an expensive crane elevator (Crane Hoist) is installed at the installation location, test, and loading and unloading of the switchboard. Since it is not required, it is possible to move freely and at a low cost.
  • an expensive crane elevator Create Hoist
  • the present invention by using a cover plate provided with a slit to cover a relatively wide through hole, the inflow of animals to the lower side of the switchboard through the through hole can be blocked, so that the product is damaged by animals or accidents such as short circuit or fire. has the effect of preventing in advance.
  • FIG. 1 is a side cross-sectional view of a switchboard to which an air suction device of an embodiment of the present invention is applied.
  • Figure 2 is a perspective view of an air suction device of an embodiment of the present invention.
  • Figure 3 is a perspective view of a state in which the cover plate of the air suction device according to an embodiment of the present invention is removed.
  • FIG. 4 is a perspective view of the base of the air suction device according to an embodiment of the present invention.
  • Figure 5 is a perspective view showing an example of the cover plate of the air intake device according to an embodiment of the present invention.
  • Figure 6 is a perspective view showing another example of the cover plate of the air intake device of the embodiment of the present invention.
  • Figure 7 is a perspective view showing an example of the hinge portion of the air intake device of the embodiment of the present invention.
  • FIG. 8 is a perspective view showing another example of the hinge portion of the air suction device according to an embodiment of the present invention.
  • first fastening groove 120, 120a, 120b, 120c cover plate
  • FIG. 1 is a side cross-sectional view of a switchboard to which an air suction device of an embodiment of the present invention is applied.
  • the switchboard 10 has an enclosure 11, a space portion 12, a receiving portion 13, an upper cover 14, a front portion 15 and It may include an air suction device (100).
  • the switchboard 10 is a low-pressure/high-pressure switchboard, and is intended to increase the amount of air intake into the enclosure 11 by replacing the existing air inlet using the base, and to make the processing cost and appearance beautiful.
  • the enclosure 11 may have a rectangular structure.
  • the enclosure 11 may be partitioned into a plurality of compartments.
  • the enclosure 11 may include a circuit breaker compartment, a low voltage compartment, a busbar compartment, and a cable compartment.
  • main devices of the switchboard 10 may be accommodated by function.
  • the space 12 is a space in which the air sucked from the air suction device 100 of the switchboard flows inside the enclosure 11 , and may be provided on the rear side of the enclosure 11 . In this space 12, a cable may be disposed.
  • the accommodating part 13 is a space in which the main devices of the switchboard 10 are accommodated, and may be provided on the front side of the enclosure 11 .
  • the accommodating part 13 may accommodate an opening/closing air flow such as an instrument flow, a relay flow, a transformer flow, a circuit breaker, a disconnector, and the like.
  • these devices may be mostly understood as heating elements that generate heat.
  • the upper cover 14 is provided on the upper side of the enclosure 11 to discharge the air flowing through the space 12 and the accommodating part 13 to the outside.
  • the front part 15 may be a cover provided on the front surface of the enclosure 11 .
  • the front part 15 may be rotatably coupled to the enclosure 11 through a fastening means such as a hinge.
  • the front part 15 may be opened and closed in a horizontal direction or a vertical direction.
  • the switchboard 10 is the air intake (A) into the inside of the enclosure 11 through the air suction device 100 of the switchboard, and the receiving part 13 by convection in the inside of the enclosure 11. It can reduce heat generation from various devices of
  • the flow of air (A) inside the enclosure (11) does not force the air (A) to flow, but natural convection conditions are established by the pressure difference due to temperature and discharged to the upper part of the enclosure (11). will be.
  • Figure 2 is a perspective view of an air suction device of an embodiment of the present invention
  • Figure 3 is a perspective view of a state in which the cover plate of the air suction device of an embodiment of the present invention is removed
  • Figure 4 is an air suction device of an embodiment of the present invention is a perspective view of the base of
  • the air suction device 100 of the switchboard may include a base 110 , a cover plate 120 , and a fastening unit 130 .
  • the base 110 may be coupled to the lower portion of the enclosure 11 of the switchboard 10 .
  • the base 110 may be provided with a cover plate 120 as described later on the front and rear surfaces.
  • the cover plate 120 may be a passage through which the air (A) flows into the enclosure 11 .
  • the embodiment of the present invention can increase the amount of air intake into the switchboard 10 , so that heat generated by the device accommodated in the enclosure 11 can be effectively cooled according to the internal convection of the switchboard 10 .
  • the base 110 may be provided in a rectangular frame shape. That is, the base 110 may be provided with an opening in the center. This opening communicates with the lower side of the enclosure 11 to allow air (A) to flow into the space 12 and the accommodating part 13 of the enclosure 11 .
  • the cover plate 120 may be coupled to the base 110 to cover the through hole 112 provided in the base 110 .
  • the cover plate 120 may be provided in a plate shape.
  • the cover plate 120 may be detachably provided from the base 110 .
  • the embodiment of the present invention can block the inflow of animals, such as mice, abandoned dogs, and abandoned cats, to the lower side of the switchboard 10 through the through hole 112 provided in the base 110 relatively wide, so that the product made by animals It can prevent damage or accidents such as short circuit or fire in advance.
  • animals such as mice, abandoned dogs, and abandoned cats
  • the fastening part 130 may couple the cover plate 120 and the base 110 .
  • the fastening part 130 may screw the cover plate 120 and the base 110 to each other.
  • the fastening part 130 may be a screw fastening part such as a bolt.
  • the base 110 may be provided with through holes 112 on both sides in the longitudinal direction on the front, respectively. As shown in FIG. 4 , the base 110 may be provided with a through hole 112 on the back side in a straight line with the through hole 112 provided on the front side.
  • the through-holes 112 are provided on the front and rear surfaces of the base 110 , external cold air is sucked into the enclosure 11 , and convection occurs naturally due to the heating element inside the enclosure 11 . . At this time, the cold air sucked into the enclosure 11 may come into contact with the heating element to cool the heating element, and the air heated by the heating element may be discharged through the upper cover 14 .
  • a plurality of switchboards 10 may be arranged side by side according to the built-in devices. Therefore, since the forklift can access the front of the switchboard 10 by the through hole 112 on the front of the switchboard 10 , the installation and movement of the switchboard 10 can be facilitated.
  • the through hole 112 may be formed in a shape corresponding to the fork of the forklift, such as a square shape, so that the fork of the forklift is inserted. That is, the through hole 112 may be provided with a size corresponding to the size of the fork of the forklift.
  • the base 110 can be replaced by a pallet, and transport can be performed by a forklift using the through hole 112 .
  • an embodiment of the present invention does not require a separate pallet when transporting the switchboard 10, and does not require an expensive crane elevator at the installation location or test and loading and unloading of the switchboard, so it is possible to move freely and at low cost.
  • the through hole 112 may be formed by cutting.
  • the base 110 is for supporting the enclosure 11 and may be composed of a plate as thick as 5T. Therefore, since the thickness of the base 110 is thick, it is more economical in terms of processing cost to cut larger than to punch a number of pores as in the prior art.
  • the workability of the through hole 112 can be improved, and the machining cost can be reduced by the conventional hole machining, thereby improving the manufacturing efficiency.
  • the base 110 may be provided with a first fastening groove 114 at a position corresponding to the cover plate 120 .
  • the first fastening groove 114 may be provided at a position corresponding to the second fastening groove 124 provided in the cover plate 120 .
  • the first fastening groove 114 may be provided on both sides of the through hole 112 .
  • first fastening groove 114 and the second fastening groove 124 may be formed by tap processing. That is, the first fastening groove 114 and the second fastening groove 124 may be configured so that the fastening part 130 is not only inserted but also screwed.
  • Figure 5 is a perspective view showing an example of the cover plate of the air intake device according to an embodiment of the present invention.
  • the cover plate 120 may be formed of a thin plate. Therefore, the cover plate 120 may be relatively inexpensive to process.
  • the cover plate 120 may be provided with an intake port 122 and a second fastening groove 124 .
  • the intake port 122 is for sucking air (A) from the outside, and a slit may be provided in an arrangement.
  • the intake port 122 may be provided in a vertical arrangement on the cover plate 120 . That is, the slit may be provided in the height direction of the cover plate 120 .
  • the slit may be formed to pass through the cover plate 120 .
  • the second fastening groove 124 is for inserting and fixing the fastening part 130 , and may be provided on both sides of the intake port 122 .
  • the second fastening groove 124 may be formed to pass through the cover plate 120 .
  • the cover plate 120 may be detachably coupled to the base 110 by the fastening part 130 .
  • Figure 6 is a perspective view showing another example of the cover plate of the air intake device of the embodiment of the present invention.
  • the cover plate 120a may be provided with an intake port 122 ′ in a horizontal arrangement. That is, the slit may be provided in the longitudinal direction of the cover plate 120a. Although not shown in the drawings, the slit is not limited thereto and may be provided in various shapes.
  • Figure 7 is a perspective view showing an example of the hinge portion of the air intake device of the embodiment of the present invention.
  • the fastening part may include a hinge part 140 .
  • the hinge unit 140 may hinge-couple the cover plate 120b and the base 110 .
  • the hinge unit 140 may be coupled to the upper side of the cover plate 120b.
  • the hinge unit 140 may be coupled to the base 110 at a position corresponding to the upper side of the cover plate 120b.
  • the cover plate 120b may be rotatably coupled to the base 110 by the hinge unit 140 .
  • the cover plate 120b rotates upward around the hinge unit 140 , so that the through hole 112 may be opened.
  • the fastening part may further include a screw fastening part 130 .
  • the screw fastening part 130 may couple the lower side of the cover plate 120b and the base 110 .
  • the first fastening groove 114 may be provided at the lower center of the through hole 112 in the base 110 .
  • the second fastening groove 124 may be provided at a position corresponding to the first fastening groove 114 in the cover plate 120b. That is, the second fastening groove 124 may be provided at the lower center of the cover plate 120 .
  • the cover plate 120b can maintain the through hole 112 in a closed state by the load thereof, but by being coupled to the base 110 through the screw fastening portion 130, the closing of the through hole 112 is ensured. can guarantee
  • FIG. 8 is a perspective view showing another example of the hinge portion of the air suction device according to an embodiment of the present invention.
  • the fastening part may include a screw fastening part 130 and a hinge part 140 ′ together.
  • the hinge unit 140 ′ may be rotatably hinged to the cover plate 120 and the base 110 .
  • the hinge unit 140 ′ may be coupled to one side of the cover plate 120c.
  • the hinge portion 140 ′ may be coupled to the right side of the right cover plate 120c.
  • the hinge portion 140 ′ may be coupled to the left side of the left cover plate 120c.
  • the hinge portion 140 ′ may be coupled to the base 110 at a position corresponding to one side of the cover plate 120c.
  • the cover plate 120c may be rotatably coupled to the base 110 by the hinge portion 140 ′.
  • the through hole 112 may be opened by rotating the right cover plate 120c from left to right around the hinge 140 ′.
  • the left cover plate 120c rotates from right to left about the hinge portion 140 ′, so that the through hole 112 may be opened.
  • the screw fastening part 130 may be coupled to the other side of the cover plate 120c and the base 110 . That is, the screw fastening part 130 may be provided on the opposite side of the hinge part 140' in the cover plate 120c. In the drawing, the screw fastening portion 130 may be coupled to the left side of the right cover plate (120c). In addition, the screw fastening portion 130 may be coupled to the right side of the left cover plate (120c).
  • the first fastening groove 114 may be provided at a position corresponding to the other side of the cover plate 120c in the base 110 .
  • the first fastening groove 114 may be provided at a position corresponding to the right side of the right cover plate 120c or the left side of the left cover plate 120c.
  • the second fastening groove 124 may be provided at a position corresponding to the first fastening groove 114 in the cover plate 120c.
  • the second fastening groove 124 may be provided on the left side of the right cover plate 120c or on the right side of the left cover plate 120 .
  • the cover plate 120c can maintain the through hole 112 in a closed state, but by being coupled to the base 110 through the screw fastening portion 130, the closure of the through hole 112 can be reliably ensured. .
  • the present invention relates to a technology capable of increasing internal convection of a switchboard by using a natural law and effectively dissipating heat from a device, and has potential industrial application.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Patch Boards (AREA)

Abstract

L'invention concerne un dispositif d'admission d'air pour un pupitre de commande. Le dispositif d'admission d'air pour un pupitre de commande, selon un mode de réalisation de la présente invention, peut comprendre : une base qui est couplée au fond d'une enceinte de pupitre de commande et dont les surfaces avant et arrière ont chacune des trous traversants formés des deux côtés dans la direction longitudinale ; des plaques de couvercle qui sont couplées à la base pour recouvrir les trous traversants respectifs ; et des éléments de fixation qui couplent les plaques de couvercle à la base.
PCT/KR2022/000426 2021-04-02 2022-01-11 Dispositif d'admission d'air pour pupitre de commande WO2022211229A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210043529A KR102603572B1 (ko) 2021-04-02 2021-04-02 배전반의 공기흡입장치
KR10-2021-0043529 2021-04-02

Publications (1)

Publication Number Publication Date
WO2022211229A1 true WO2022211229A1 (fr) 2022-10-06

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ID=83455344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2022/000426 WO2022211229A1 (fr) 2021-04-02 2022-01-11 Dispositif d'admission d'air pour pupitre de commande

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KR (1) KR102603572B1 (fr)
WO (1) WO2022211229A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05276614A (ja) * 1992-03-26 1993-10-22 Fuji Electric Co Ltd 換気装置を備える閉鎖配電盤
US5744213A (en) * 1995-08-25 1998-04-28 Soltech. Inc. Enclosure panel with herringbone aperture pattern
KR200266727Y1 (ko) * 2001-12-06 2002-03-04 인텍전기전자 주식회사 지중선로용 지상기기의 외함
KR200361582Y1 (ko) * 2004-06-01 2004-09-14 주식회사 케이디파워 수배전반의 지게차 발 삽입구용 커버
KR20200121107A (ko) * 2019-04-15 2020-10-23 주식회사 스마트파워 수배전반

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100588312B1 (ko) * 2001-12-12 2006-06-13 김구환 상부 밀폐형 전력용 제어함
KR200485290Y1 (ko) * 2016-01-20 2017-12-15 엘에스산전 주식회사 배전반
KR102008327B1 (ko) * 2019-01-07 2019-08-07 이대채 화재 방지 배전반

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05276614A (ja) * 1992-03-26 1993-10-22 Fuji Electric Co Ltd 換気装置を備える閉鎖配電盤
US5744213A (en) * 1995-08-25 1998-04-28 Soltech. Inc. Enclosure panel with herringbone aperture pattern
KR200266727Y1 (ko) * 2001-12-06 2002-03-04 인텍전기전자 주식회사 지중선로용 지상기기의 외함
KR200361582Y1 (ko) * 2004-06-01 2004-09-14 주식회사 케이디파워 수배전반의 지게차 발 삽입구용 커버
KR20200121107A (ko) * 2019-04-15 2020-10-23 주식회사 스마트파워 수배전반

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KR102603572B1 (ko) 2023-11-16
KR20220137441A (ko) 2022-10-12

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