CN212784520U

CN212784520U - Insulated metal enclosed switchgear

Info

Publication number: CN212784520U
Application number: CN202021925797.3U
Authority: CN
Inventors: 郑信锋; 郑陈鹏
Original assignee: Fuzhou Jinyu Electrical Equipment Co ltd
Current assignee: Fuzhou Jinyu Electrical Equipment Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-03-23
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a closed switchgear of insulated metal, including the closed casing, the outer wall of closed casing cup joints the heat conduction shell, and articulated opening plate one side of heat conduction shell, installation locking mechanism between the opposite side of opening plate and heat conduction shell, a plurality of radiating fin of outer wall installation of heat conduction shell, the cooling tube is cup jointed to heat conduction shell inner wall, packs the coolant oil in the cooling tube, and the roof both ends of heat conduction shell are run through respectively at the both ends of cooling tube and are connected the heat dissipation mechanism, and the circulating pump is installed to the one end that the heat dissipation mechanism was connected to the cooling tube. After the equipment temperature risees, close shell and the heat conduction shell closely laminate to conduct the equipment heat to the heat conduction shell, radiating fin increase and air area of contact, the heat of being convenient for scatters and disappears, the coolant oil in the cooling tube is circulating flow under the circulating pump effect simultaneously, the coolant oil absorbs the heat, thereby cool down to close the shell fast, and simultaneously, the coolant oil after the heat absorption flows to heat dissipation mechanism department and dispels the heat, gives off the heat to the external world fast, realizes the quick heat dissipation of equipment.

Description

Insulated metal enclosed switchgear

Technical Field

The utility model relates to a fire-fighting equipment technical field specifically is an insulated metal enclosed switchgear.

Background

The insulating metal closed switch equipment is a metal closed switch equipment and a control equipment, at least a part of the metal closed switch equipment and the control equipment adopt gas higher than atmospheric pressure as insulating medium, and the insulating metal closed switch equipment is composed of a breaker, a disconnecting switch, a grounding switch, a mutual inductor, a lightning arrester, a bus, a connecting piece, an outgoing line terminal and the like, all the equipment or parts are closed in a metal grounded shell, and SF6 insulating gas with certain pressure is filled in the metal grounded shell, so the insulating metal closed switch equipment is also called as SF6 fully-closed combined electrical appliance, and the shell is fully closed and difficult to dissipate heat, so the temperature of the equipment can be overhigh after internal elements of the insulating metal closed switch equipment are heated, and therefore the insulating metal closed switch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulated metal enclosed switchgear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulated metal closed switchgear, includes the closed casing, the outer wall of closed casing closely cup joints the heat conduction shell, the articulated open close plate's in open end one side of heat conduction shell one side, install locking mechanism between the opposite side of open close plate and heat conduction shell, a plurality of radiating fin of outer wall fixed mounting of heat conduction shell, the fixed cooling tube that cup joints of heat conduction shell inner wall department, fill the coolant oil in the cooling tube, the both ends of cooling tube run through the roof both ends of heat conduction shell respectively and connect heat dissipation mechanism, the circulating pump is installed to the one end of cooling tube connection heat dissipation mechanism.

Preferably, the size of the inner cavity of the heat conducting shell is the same as that of the outer wall of the closed shell, the bottom of the opening-closing plate is provided with a U-shaped wiring groove, and the closed shell and the heat conducting shell are both grounded through a ground wire.

Preferably, locking mechanism includes pressure strip and mounting panel, a plurality of pressure strips of fixed mounting and mounting panel respectively on the outer wall of open-close board and heat conduction shell, all open the spread groove on pressure strip and the mounting panel, rotate the one end of connecting the rotation double-screw bolt through the round pin axle in the spread groove of mounting panel, the spread groove in the other end slip joint pressure strip of rotation double-screw bolt, cup joint the locking dish through helicitic texture on the rotation double-screw bolt, the locking dish closely presses on the pressure strip.

Preferably, the cooling pipes on the two sides of the heat conduction shell are in a bent snake-shaped structure, and the cooling pipes on the two sides of the heat conduction shell are communicated with each other.

Preferably, heat dissipation mechanism includes fixed plate and batch oil tank, the top both ends of heat conduction shell are fixed mounting fixed plate and batch oil tank respectively, the fixed bottom that connects the batch oil tank of one end of cooling tube, and install the circulating pump on the cooling tube of batch oil tank department, the outer wall top fixed mounting shunt tubes of fixed plate, the fixed middle part that runs through the fixed plate and cup joint the shunt tubes of the other end of cooling tube, the top fixed mounting pressure manifold of batch oil tank, and the bottom and the batch oil tank of pressure manifold are linked together, fixed the cup jointing many cooling tubes between pressure manifold and shunt tubes, fixed cup jointing a plurality of center tubes on the cooling tube, install a plurality of fans on the heat conduction shell of cooling tube bottom.

Preferably, the cooling tube is helical structure, and the pitch of cooling tube is greater than the external diameter of cooling tube, the equal vertical cooling tube that runs through of center tube, the diameter of center tube is less than the internal diameter of cooling tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. therefore, the heat of the equipment is conducted to the heat conducting shell, and the contact area between the heat radiating fins and the air is increased, so that the heat is convenient to dissipate;

2. the circulating pump pumps the cooling oil in the oil storage tank and circulates through the cooling pipe, and the circulating cooling oil absorbs heat through the cooling pipe, so that the closed shell is rapidly cooled;

3. cooling oil after the intensification flows into in the reposition of redundant personnel pipe, then the dispersion flows in a plurality of cooling tubes, spiral helicine cooling tube increase surface area, the fan air-cooled cooling of being convenient for, and the center tube makes the cooling oil velocity of flow reduce, extension cooling oil is in the intraductal time of cooling, be convenient for fully dispel the heat, and the cold wind that the fan blew off can directly cool off cooling oil center department when the center tube circulates, improve heat dissipation cooling rate, thereby make the cooling oil cool off fast, be convenient for carry out circulative cooling to closed switchgear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of the heat conducting shell of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the cooling tube structure of the present invention.

In the figure: 1. a closed housing; 2. a thermally conductive shell; 3. opening and closing the board; 4. a locking mechanism; 41. a compression plate; 42. mounting a plate; 43. connecting grooves; 44. rotating the stud; 45. a locking disc; 5. a wiring slot; 6. a heat dissipating fin; 7. a cooling tube; 8. a heat dissipation mechanism; 81. a fixing plate; 82. a shunt tube; 83. an oil storage tank; 84. a header pipe; 85. a radiating pipe; 86. a central tube; 87. a fan; 9. and a circulating pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an insulated metal closed type switchgear, including closed housing 1, closed housing 1's outer wall closely cup joints heat conduction shell 2, the articulated open close plate 3's of open end one side of heat conduction shell 2 one side, install locking mechanism 4 between the opposite side of open close plate 3 and heat conduction shell 2, a plurality of radiating fin 6 of the outer wall fixed mounting of

heat conduction shell

2, 2 inner wall departments of heat conduction shell are fixed and are cup jointed cooling tube 7, pack the coolant oil in cooling tube 7, the both ends of cooling tube 7 run through the roof both ends of heat conduction shell 2 respectively and connect heat dissipation mechanism 8, circulating pump 9 is installed to the one end that heat dissipation mechanism 8 is connected to cooling tube 7. After the equipment temperature risees, close shell 1 and the heat conduction shell 2 closely laminate, thereby conduct the equipment heat to heat conduction shell 2, radiating fin 6 increase and air area of contact, the heat of being convenient for scatters and disappears, the coolant oil in the cooling tube 7 circulates under the effect of circulating pump 9 simultaneously and flows, the coolant oil absorbs the heat, thereby cool down close shell 1 fast, and simultaneously, the coolant oil after the heat absorption flows 8 departments to dispel the heat to heat dissipation mechanism and dispels the heat, give off the heat to the external world fast, realize the quick heat dissipation of equipment.

The inner cavity size of heat conduction shell 2 is the same with the outer wall size of closed shell 1 for thereby heat conduction shell 2 and closed shell 1 closely laminate heat conduction heat dissipation, and open and shut the bottom of plate 3 and open the wiring groove 5 that has U type structure, and closed shell 1 and heat conduction shell 2 are all through ground wire ground connection.

Locking mechanism 4 includes pressure strip 41 and mounting panel 42, a plurality of pressure strips 41 of fixed mounting and mounting panel 42 on the outer wall of open-close plate 3 and heat conduction shell 2 respectively, all open spread groove 43 on pressure strip 41 and the mounting panel 42, rotate the one end of connecting rotation double-screw bolt 44 through the round pin axle in the spread groove 43 of mounting panel 42, the other end slip joint of rotation double-screw bolt 44 is spread groove 43 in the pressure strip 41, cup joint locking dish 45 through helicitic texture on the rotation double-screw bolt 44, locking dish 45 closely presses on pressure strip 41, open-close plate 3 is closed after, it is gone into to rotate double-screw bolt 44 and rotate in the spread groove 43 on pressure strip 41, then rotate locking dish 45, locking dish 45 moves through helicitic texture and presses on pressure strip 41, realize the quick fixed of open-close plate 3, during the dismantlement, directly unscrew locking dish 45, then will rotate double-screw bolt 44 and roll.

The cooling pipes 7 on the two sides of the heat conduction shell 2 are of a bent snake-shaped structure, so that heat can be absorbed sufficiently, and the cooling pipes 7 on the two sides of the heat conduction shell 2 are communicated with each other, so that the cooling pipes 7 are integrally communicated and are convenient to circulate.

The heat dissipation mechanism 8 comprises a fixing plate 81 and an oil storage tank 83, the fixing plate 81 and the oil storage tank 83 are fixedly installed at two ends of the top of the heat conduction shell 2 respectively, one end of a cooling pipe 7 is fixedly sleeved at the bottom of the oil storage tank 83, a circulating pump 9 is installed on the cooling pipe 7 at the position of the oil storage tank 83, a shunt pipe 82 is fixedly installed at the top of the outer wall of the fixing plate 81, the other end of the cooling pipe 7 is fixedly penetrated through the fixing plate 81 and sleeved at the middle part of the shunt pipe 82, a collecting pipe 84 is fixedly installed at the top of the oil storage tank 83, the bottom of the collecting pipe 84 is communicated with the oil storage tank 83, a plurality of heat dissipation pipes 85 are fixedly sleeved between the collecting pipe 84 and the shunt pipe 82, a plurality of central pipes 86 are fixedly sleeved on the heat dissipation pipes 85, a plurality of fans 87 are installed on the heat conduction shell 2 at, then the dispersion flows in a plurality of cooling tubes 85, through cooling tube 85 increase and air area of contact, fan 87 bloies simultaneously, carry out the forced air cooling heat dissipation, the equal vertical cooling tube 85 that runs through of center tube 86, the diameter of center tube 86 is less than the internal diameter of cooling tube 85, center tube 86 makes the cooling oil velocity of flow reduce, the extension cooling oil is at cooling tube 85 internal time, be convenient for fully dispel the heat, and the cold wind that fan 87 blew off can directly cool off cooling oil center department when circulating from center tube 86, improve heat dissipation cooling rate, thereby make the quick cooling of cooling oil, be convenient for carry out circulative cooling to closed switchgear.

The cooling tube 85 is helical structure, is convenient for increase and air area of contact, and the pitch of cooling tube 85 is greater than the external diameter of cooling tube 85, then the air circulates from between the pitch of cooling tube 85 for spiral cooling tube 85 both sides can not block mutually, and the cold wind of being convenient for flows through the center tube 86 of keeping away from heat conduction shell 2.

The working principle is as follows: when the utility model is used, the heat conduction shell 2 is tightly attached to the closed shell 1, then the opening plate 3 is closed, the rotary stud 44 is rotated to be clamped into the connecting groove 43 on the pressing plate 41, then the locking disc 45 is rotated, the locking disc 45 is moved and pressed on the pressing plate 41 through the thread structure, the quick fixation of the opening plate 3 is realized, after the temperature of the equipment is raised, the closed shell 1 is tightly attached to the heat conduction shell 2, thereby the heat of the equipment is conducted to the heat conduction shell 2, the contact area between the heat radiation fins 6 and the air is increased, thereby facilitating the heat dissipation, meanwhile, the circulating pump 9 extracts the cooling oil in the oil storage tank 83 and circulates through the cooling pipe 7, the circulating cooling oil absorbs the heat through the cooling pipe 7, thereby cooling the closed shell 1, the cooling oil after the temperature is raised flows into the shunt pipe 82, then the cooling oil flows into a plurality of heat radiation pipes 85 in a dispersing way, carry out the forced air cooling heat dissipation, the equal vertical cooling tube 85 that runs through of center tube 86, the diameter of center tube 86 is less than the internal diameter of cooling tube 85, center tube 86 makes the cooling oil velocity of flow reduce, extension cooling oil is at cooling tube 85 internal time, be convenient for fully dispel the heat, and can directly cool off cooling oil center department when fan 87 blows off circulates from center tube 86, improve heat dissipation cooling rate, thereby make the cooling oil cool off fast, be convenient for carry out circulative cooling to closed switchgear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An insulated metal enclosed switchgear comprising an enclosed casing (1), characterized in that: the outer wall of closed shell (1) closely cup joints heat conduction shell (2), one side of the articulated opening plate in open end one side (3) of heat conduction shell (2), install locking mechanism (4) between the opposite side of opening plate (3) and heat conduction shell (2), a plurality of radiating fin (6) of outer wall fixed mounting of heat conduction shell (2), fixed the cup jointing cooling tube (7) of heat conduction shell (2) inner wall department, pack the coolant oil in cooling tube (7), the roof both ends of heat conduction shell (2) are run through respectively at the both ends of cooling tube (7) and are connected heat dissipation mechanism (8), circulating pump (9) are installed to the one end that heat dissipation mechanism (8) were connected in cooling tube (7).

2. The insulated metal enclosed switchgear according to claim 1, wherein: the inner chamber size of heat conduction shell (2) is the same with the outer wall size of closed shell (1), open the wiring groove (5) that have U type structure bottom open plywood (3), closed shell (1) and heat conduction shell (2) are all through ground wire ground connection.

3. The insulated metal enclosed switchgear according to claim 1, wherein: locking mechanism (4) are including pressure strip (41) and mounting panel (42), on the outer wall of open-close board (3) and heat conduction shell (2) respectively a plurality of pressure strip (41) of fixed mounting and mounting panel (42), all opened spread groove (43) on pressure strip (41) and mounting panel (42), rotate the one end of connecting rotation double-screw bolt (44) through the round pin axle in spread groove (43) of mounting panel (42), spread groove (43) in the other end slip joint pressure strip (41) of rotation double-screw bolt (44), cup joint locking dish (45) through helicitic texture on rotation double-screw bolt (44), locking dish (45) closely press on pressure strip (41).

4. The insulated metal enclosed switchgear according to claim 1, wherein: the cooling pipes (7) on the two sides of the heat conduction shell (2) are of a bent snake-shaped structure, and the cooling pipes (7) on the two sides of the heat conduction shell (2) are communicated with each other.

5. The insulated metal enclosed switchgear according to claim 1, wherein: the heat dissipation mechanism (8) comprises a fixing plate (81) and an oil storage tank (83), the top two ends of the heat conduction shell (2) are fixedly provided with the fixing plate (81) and the oil storage tank (83) respectively, one end of the cooling pipe (7) is fixedly sleeved with the bottom of the oil storage tank (83), the cooling pipe (7) at the position of the oil storage tank (83) is provided with a circulating pump (9), the outer wall top of the fixing plate (81) is fixedly provided with a shunt pipe (82), the other end of the cooling pipe (7) is fixedly penetrated through the fixing plate (81) and sleeved with the middle part of the shunt pipe (82), the top of the oil storage tank (83) is fixedly provided with the shunt pipe (84), the bottom of the shunt pipe (84) is communicated with the oil storage tank (83), a plurality of heat dissipation pipes (85) are fixedly sleeved between the shunt pipe (84) and the shunt pipe (82), and a plurality of, and a plurality of fans (87) are arranged on the heat conducting shell (2) at the bottom of the heat radiating pipe (85).

6. The insulated metal enclosed switchgear according to claim 5, wherein: the cooling tube (85) is of a spiral structure, the pitch of the cooling tube (85) is larger than the outer diameter of the cooling tube (85), the central tube (86) vertically penetrates through the cooling tube (85), and the diameter of the central tube (86) is smaller than the inner diameter of the cooling tube (85).