CN113315022B - Switch cabinet and switch cabinet installation method - Google Patents
Switch cabinet and switch cabinet installation method Download PDFInfo
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- CN113315022B CN113315022B CN202110732639.9A CN202110732639A CN113315022B CN 113315022 B CN113315022 B CN 113315022B CN 202110732639 A CN202110732639 A CN 202110732639A CN 113315022 B CN113315022 B CN 113315022B
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- pressure relief
- partition plate
- plate
- cabinet body
- pressure
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- 238000009434 installation Methods 0.000 title abstract description 8
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- 239000004593 Epoxy Substances 0.000 claims description 10
- 210000005056 cell body Anatomy 0.000 claims description 4
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- 238000005273 aeration Methods 0.000 description 3
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Classifications
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- 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
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- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B1/32—Mounting of devices therein
-
- 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
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a switch cabinet and a switch cabinet installation method, wherein the switch cabinet comprises a cabinet body, a prefabricated partition plate is arranged in the cabinet body, a first partition plate and a second partition plate are respectively installed at the upper end and the lower end of the prefabricated partition plate, the first partition plate and the second partition plate divide the inner cavity of the cabinet body into four independent compartment units, a pressure relief device is installed in the cabinet body, the pressure relief device comprises pressure relief interfaces, pressure relief doors and pressure relief channels which are arranged in the compartment units, the pressure relief interfaces are communicated with/sealed from the compartment units and the pressure relief channels through opening/closing of the pressure relief doors, the upper end of the cabinet body is connected with a combined cover plate, the combined cover plate comprises pressure relief windows and end cover plates which are communicated with the pressure relief channels, and the inner side walls of the pressure relief windows are connected with flow dividing sheets and high-strength silk screens in a sliding mode. The invention can effectively strengthen the safety performance and reliability of the switch cabinet, and the compartment unit has the advantages of high strength and high sealing performance.
Description
Technical Field
The invention relates to the technical field of power system equipment, in particular to a switch cabinet and a switch cabinet installation method.
Background
The switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and has the functions of on-off, control or protection. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. The switch cabinets can be divided into an open switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet according to different cabinet structures.
In the operation process of the switch cabinet, short circuit faults can be caused due to short circuit, insulation aging, manual misoperation and the like, under the short circuit current of tens of thousands of amperes, the switch cabinet can instantaneously generate internal arcing, the arcing faults form high-temperature and high-pressure gas, if the high-temperature and high-pressure gas cannot be effectively released in a narrow cabinet body in a very short time, the closure of a compartment and the explosion of the switch cabinet can be damaged due to gas expansion, adjacent switch cabinets can be damaged, interlinked accidents are caused, and the safety performance and reliability of a power system are reduced; patent number CN109524913a discloses: the pressure release device of the switch cabinet and the switch cabinet are characterized in that a spoiler used for changing the direction of the arcing air flow to consume the energy of the arcing air flow is arranged in a pressure release channel of the pressure release device of the switch cabinet, so that the problem that equipment nearby the switch cabinet is damaged when the air flow from a pressure release opening is overlarge when a cabinet body of the switch cabinet in the prior art is subjected to short-circuit explosion is solved; as another example, patent number CN109638664 a discloses: the utility model provides a "cubical switchboard pressure relief device and cubical switchboard", is equipped with the arc extinction structure in its pressure release passageway, the arc extinction structure includes the baffle of arranging along pressure release passageway axis layering, each layer baffle interval arrangement, adjacent two-layer baffle is along perpendicular to pressure release passageway axis direction staggered arrangement and along pressure release passageway axis have overlap, solve current pressure release device and can not effectively protect the electric arc, the problem of damaging article on every side or hurt personal safety easily after the electric arc blowout, but can produce the piece of breaking in the cubical switchboard because of initial arcing etc. high temperature high pressure condition, it follows the high-pressure air current effect, the high-speed injection cubical switchboard, it is very big probably to the external environment destruction, be difficult to ensure personal safety, in the internal high pressure condition between each compartment in the cubical switchboard, easy emergence leak intercommunication, its intensity and closure are poor, electric arc gets into and causes the holistic destruction of cubical switchboard in the adjacent compartment, its security performance and reliability are low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a switch cabinet and a switch cabinet installation method, which can effectively strengthen the safety performance and reliability of the switch cabinet, and the compartment unit has the advantages of high strength and high sealing performance.
The invention provides the following technical scheme:
first aspect: the utility model provides a switch cabinet, which comprises a cabinet body, wherein a prefabricated partition board which is horizontally arranged is arranged in the cabinet body, a first partition board and a second partition board are respectively arranged at the upper end and the lower end of the prefabricated partition board, and the prefabricated partition board, the first partition board and the second partition board divide the inner cavity of the cabinet body into four independent compartment units;
the pressure relief device is arranged in the cabinet body and comprises pressure relief interfaces arranged in the compartment units, pressure relief doors arranged at the air inlet ends of the pressure relief interfaces and pressure relief channels for upwards diversion, and the pressure relief interfaces realize the communication/closure of the compartment units and the pressure relief channels through the opening/closing of the pressure relief doors;
the cabinet body upper end is connected with the combination apron, the combination apron include with the pressure release window and the cladding of pressure release passageway intercommunication are in the end cover plate of pressure release window upper end, pressure release window inside wall department sliding connection has reposition of redundant personnel piece and high strength silk screen.
Preferably, the upper end face and the lower end face of the prefabricated partition plate are respectively provided with a groove body, the connection part of the first partition plate and the second partition plate with the prefabricated partition plate is provided with a connection part with the section extending to the horizontal positions on two sides, the connection part is arranged at the groove body, mounting holes and threaded fasteners are uniformly distributed on the connection part, and the threaded fasteners penetrate through the prefabricated partition plate and are fixedly connected at the mounting holes.
Preferably, the gap between the groove body and the connecting part is filled and sealed through epoxy pouring.
Preferably, the pressure release door comprises a plugging plate, a rotating shaft and a torsion spring which is used for pre-tightly sealing the plugging plate and is attached to the air inlet end of the pressure release interface, the plugging plate is fixedly connected with the rotating shaft, and the torsion springs are symmetrically arranged at two ends of the rotating shaft.
Preferably, the pressure release window inside wall is equipped with the guide rail, the reposition of redundant personnel piece with high strength silk screen sliding connection the guide rail, be equipped with the elastic component in the guide rail, reposition of redundant personnel piece up end edge is equipped with contact portion, high strength silk screen is installed the bottom terminal surface of reposition of redundant personnel piece.
Preferably, the split flow sheet is provided with a central hole and through holes distributed in an annular mode, a first air guide section in sealing connection with the pressure relief channel and a second air guide section arranged at the bottom of the high-strength silk screen are arranged in the pressure relief window, and the cross-sectional area of the second air guide section is larger than that of the first air guide section.
Preferably, the sum of the aperture area of the central hole and the total aperture area of each through hole is larger than or equal to the cross-sectional area of the first air guide section.
Preferably, the end cover plate is mounted on the upper end surface of the combined cover plate through a hinge seat.
Preferably, the compartment unit is fixedly connected with a mounting plate for mounting the pressure relief interface.
Second aspect: a method of installing a switchgear is provided;
the method comprises the following steps:
the first isolation plate and the second isolation plate are respectively and correspondingly arranged at the upper end and the lower end of the prefabricated partition plate, and the connection part of the first isolation plate and the prefabricated partition plate and the connection part of the second isolation plate and the prefabricated partition plate are poured through epoxy;
the pressure relief interface is arranged in the compartment unit, a pressure relief door is arranged at the air inlet end of the pressure relief interface, and the compartment unit is communicated with the pressure relief channel by opening/closing the pressure relief door;
the combined cover plate is arranged at the top end of the cabinet body, the flow dividing sheets and the high-strength silk screen are arranged in the pressure relief window, and the pressure relief window is covered and sealed by the end cover plate.
The beneficial effects of the invention are as follows:
(1): the pressure relief device is matched with a pressure relief window arranged on the combined cover plate to conduct diversion and pressure relief on high-temperature high-pressure gas caused by faults of a compartment unit in the switch cabinet, the pressure relief door is opened by utilizing air pressure, so that the compartment unit is communicated with the pressure relief channel, broken fragments generated in the compartment unit under the conditions of high temperature and high pressure due to explosion and the like are removed through high-strength silk screen filtration, the damage to external human bodies is avoided, diversion is distributed by the diversion sheets, and the safety performance and reliability of the switch cabinet are enhanced;
(2): the cabinet body is divided into four independent compartment units through the prefabricated partition plates, the first partition plates and the second partition plates are installed through threaded fasteners, the basic connection strength of the formed compartment units is guaranteed, the connecting parts are connected with the tank body in a matched mode, the connection parts of the prefabricated partition plates and the first partition plates and the connection parts of the prefabricated partition plates and the second partition plates are poured through epoxy, the compartment units are filled and sealed through epoxy, the sealing performance and strength of the compartment units are effectively enhanced, and air leakage caused by mutual communication among the compartment units is effectively avoided;
(3): in the pressure release window, the cross-sectional area of second air guide section is greater than the cross-sectional area of first air guide section, first air guide section sealing connection pressure release passageway, according to venturi effect, the aeration takes place in the compartment unit, and the compartment unit is less than first air guide section atmospheric pressure with the intercommunication back of pressure release passageway, and the atmospheric pressure of second air guide section is favorable to drainage air guide upwards, optimizes pressure release window's structural design, promotes the discharge high-pressure gas, strengthens the security performance of cubical switchboard.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a first separator according to the present invention;
FIG. 3 is a schematic diagram of a pressure relief interface according to the present invention;
FIG. 4 is a schematic diagram illustrating the connection between the pressure relief interface and the pressure relief door according to the present invention;
FIG. 5 is a schematic view of a pressure relief window according to the present invention;
FIG. 6 is a top view of the present invention;
FIG. 7 is a schematic view of the combined attachment of the diverter blade and high strength wire mesh of the present invention;
FIG. 8 is a schematic view of the diverter blade according to the present invention.
The marks in the figure: 100-a cabinet body; 110-a combined cover plate; 111-a pressure relief window; 111-1 is a first gas-conducting segment; 111-2 is a second gas-conducting segment; 112-end cap plate; 113-a hinge base; 114-a guide rail; 115-an elastic member; 116-diverter blade; 116-1 is a central hole; 116-2 is a through hole; 116-3 is a contact; 117-high strength wire mesh; 120-prefabricating a separator; 121-a tank body; 130-a first separator; 131-a connection; 132-mounting holes; 140-a second separator; 150-a threaded fastener; 200-compartment units; 300-pressure relief device; 310-pressure relief interface; 311-mounting plates; 320-pressure release door; 321-a plugging plate; 322-a rotating shaft; 323-torsional spring; 330-pressure relief channel.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
referring to fig. 1, the embodiment provides a switch cabinet, which includes a cabinet body 1, wherein a prefabricated partition board 120 is horizontally arranged in the cabinet body 1, a first partition board 130 and a second partition board 140 are respectively installed at the upper end and the lower end of the prefabricated partition board 120, and the prefabricated partition board 120, the first partition board 130 and the second partition board 140 divide an inner cavity of the cabinet body 1 into four independent compartment units 200;
the pressure relief device 300 is arranged in the cabinet body 1, the pressure relief device 300 comprises pressure relief interfaces 310 arranged in each compartment unit 200, pressure relief doors 320 arranged at the air inlet ends of the pressure relief interfaces 310 and pressure relief channels 330 for guiding upwards, and the pressure relief interfaces 310 realize the communication/closure of the compartment units 200 and the pressure relief channels 330 through the opening/closing of the pressure relief doors 320;
preferably, the installation plate 311 for installing the pressure relief interface 310 is fixedly connected in the compartment unit 200, the pressure relief interface 310 is installed by utilizing the installation plate 311 and structural members in the compartment unit 200,
the upper end of the cabinet body 1 is connected with a combined cover plate 110, the combined cover plate 110 comprises a pressure relief window 111 communicated with a pressure relief channel 330 and an end cover plate 112 coated at the upper end of the pressure relief window 111, and a flow dividing sheet 116 and a high-strength silk screen 117 are slidably connected at the inner side wall of the pressure relief window 111.
The upper and lower terminal surfaces of prefabricated baffle 120 are equipped with cell body 121 respectively, and the junction of first division board 130 and second division board 140 and prefabricated baffle 120 is equipped with the connecting portion 131 that the cross-section extends to both sides horizontal position, and connecting portion 131 sets up in cell body 121 department, through connecting portion 131 cooperation cell body 121 increase first division board 130 and second division board 140 with prefabricated baffle 120's area of contact, improves joint strength.
Referring to fig. 2, the connecting portion 131 is uniformly provided with mounting holes 132 and threaded fasteners 150, and the threaded fasteners 150 penetrate through the prefabricated partition 120 and are fixedly connected to the mounting holes 132.
The gap between the groove 121 and the connection portion 131 is sealed by epoxy casting, preferably high-strength epoxy resin to which a flame retardant is added.
The installation method of the switch cabinet comprises the following steps:
the first isolation plate 130 and the second isolation plate 140 are respectively and correspondingly arranged at the upper end and the lower end of the prefabricated partition plate 120, and the connection part of the first isolation plate 130 and the prefabricated partition plate 120 and the connection part of the second isolation plate 140 and the prefabricated partition plate 120 are poured through epoxy;
a pressure relief interface 310 is arranged in the compartment unit 200, a pressure relief door 320 is arranged at the air inlet end of the pressure relief interface 310, and the compartment unit 200 is communicated with/sealed with a pressure relief channel 330 through the opening/closing of the pressure relief door 320;
the combined cover plate 110 is arranged at the top end of the cabinet body 1, the flow dividing sheet 116 and the high-strength silk screen 117 are arranged in the pressure release window 111, and the cover end cover plate 112 wraps the pressure release window 111.
Example 2:
on the basis of the above embodiment, please refer to fig. 3 and 4, the pressure release door 320 includes a plugging plate 321, a rotating shaft 322 and a torsion spring 323 for pre-tightly sealing the plugging plate 321 to the air inlet end of the pressure release interface 310, the plugging plate 321 is fixedly connected with the rotating shaft 322, the torsion spring 323 is symmetrically arranged at two ends of the rotating shaft 322, the torsion spring 323 provides a pre-tightening force of the plugging plate 321 to the pressure release interface 310, when high pressure aeration occurs in the compartment unit 200, and when the air pressure acting force is greater than the pre-tightening force threshold provided by the torsion spring 323, the pressure release door 320 is opened, and the compartment unit 200 is communicated with the pressure release channel 330.
Example 3:
on the basis of the above embodiment, referring to fig. 7 and 8, the high-strength wire mesh 117 is installed on the bottom end surface of the splitter 116, the splitter 116 is provided with a central hole 116-1 and annular distributed through holes 116-2, the pressure release window 111 is internally provided with a first air guide section 111-1 in sealing connection with the pressure release channel 330 and a second air guide section 111-2 arranged at the bottom of the high-strength wire mesh 117, the cross-sectional area of the second air guide section 111-2 is larger than that of the first air guide section 111-1, according to venturi effect, aeration occurs in the compartment unit 200, and after the compartment unit 200 is communicated with the pressure release channel 330, the air pressure of the second air guide section 111-2 is smaller than that of the first air guide section 111-1, which is beneficial to guiding air upwards, optimizing the structural design of the pressure release window 111, and promoting the discharge of high-pressure air, and enhancing the safety performance of the switch cabinet.
Preferably, the sum of the aperture area of the central hole 116-1 and the total aperture area of each through hole 116-2 is equal to or larger than the cross-sectional area of the first air guide section 111-1, so that the pressure release window 111 can effectively exhaust air and prevent air flow from being detained.
Referring to fig. 5, the inner side wall of the pressure release window 111 is provided with a guide rail 114, the splitter 116 is slidably connected with the high-strength wire mesh 117, an elastic member 115 is disposed in the guide rail 114, a contact portion 116-3 is disposed at the edge of the upper end surface of the splitter 116, and the splitter 116 is protected by the elastic member 115 matching with the contact portion 116-3.
Referring to fig. 6, an end cover plate 112 is mounted on an upper end surface of the combined cover plate 110 through a hinge seat 113, a bump contacting and fitting with the pressure release window 111 is arranged at the bottom of the end cover plate 112, and the bump is nested at the top end of the pressure release window 111.
The invention has the working principle that the cabinet body is divided into four independent compartment units 200 through the prefabricated partition plates 120, the first partition plates 130 and the second partition plates 140 are installed by using the threaded fasteners 150, the basic connection strength of the formed compartment units 200 is ensured, and the connection parts of the prefabricated partition plates 120 and the first partition plates 130 and the connection parts of the prefabricated partition plates 120 and the second partition plates 140 are poured by using epoxy, so that the compartment units 200 are filled and sealed by using the epoxy, the sealing performance and the strength of the compartment units 200 are effectively enhanced, and the air leakage caused by the mutual communication between the compartment units 200 is effectively avoided; the pressure relief device 300 is matched with the pressure relief window 111 arranged on the combined cover plate 110 to conduct diversion and pressure relief on high-temperature and high-pressure gas caused by the failure of the compartment unit 200 in the switch cabinet, the pressure relief door 320 and the end cover plate 112 are opened by utilizing air pressure, the compartment unit 200 is communicated with the pressure relief channel 330, the pressure relief window 111 is used for conducting air upwards and relieving pressure to the outside, broken fragments generated under the high-temperature and high-pressure conditions such as explosion in the compartment unit 200 are removed through filtering of the high-strength silk screen 117, the damage to the outside human body is avoided, the diversion sheet 116 distributes diversion, and meanwhile, support is provided for the high-strength silk screen 117 when the high-strength silk screen 117 is impacted by air flow (fragments), so that the safety performance and reliability of the switch cabinet are enhanced.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes and modifications may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a cubical switchboard, includes cabinet body (1), its characterized in that: the novel multifunctional cabinet is characterized in that a horizontally arranged prefabricated partition plate (120) is arranged in the cabinet body (1), a first partition plate (130) and a second partition plate (140) are respectively arranged at the upper end and the lower end of the prefabricated partition plate (120), and the prefabricated partition plate (120), the first partition plate (130) and the second partition plate (140) divide an inner cavity of the cabinet body (1) into four independent compartment units (200);
the pressure relief device (300) is arranged in the cabinet body (1), the pressure relief device (300) comprises pressure relief interfaces (310) arranged on each compartment unit (200), pressure relief doors (320) arranged at the air inlet ends of the pressure relief interfaces (310) and pressure relief channels (330) for upwards guiding, and the pressure relief interfaces (310) are communicated with/sealed from the compartment units (200) and the pressure relief channels (330) through opening/closing of the pressure relief doors (320);
the pressure release door (320) comprises a plugging plate (321), a rotating shaft (322) and a torsion spring (323) which is used for pre-tightly sealing the plugging plate (321) to the air inlet end of the pressure release interface (310), the plugging plate (321) is fixedly connected with the rotating shaft (322), and the torsion springs (323) are symmetrically arranged at two ends of the rotating shaft (322);
the upper end of the cabinet body (1) is connected with a combined cover plate (110), the combined cover plate (110) comprises a pressure relief window (111) communicated with the pressure relief channel (330) and an end cover plate (112) coated at the upper end of the pressure relief window (111), and a flow dividing sheet (116) and a high-strength silk screen (117) are slidably connected at the inner side wall of the pressure relief window (111);
the pressure release window (111) is characterized in that a guide rail (114) is arranged on the inner side wall of the pressure release window (111), the flow dividing sheet (116) is slidably connected with the high-strength silk screen (117) and is internally provided with an elastic piece (115), a contact part (116-3) is arranged at the edge of the upper end face of the flow dividing sheet (116), and the high-strength silk screen (117) is arranged on the bottom end face of the flow dividing sheet (116); the split flow sheet (116) is provided with a central hole (116-1) and annular distributed through holes (116-2), a first air guide section (111-1) which is in sealing connection with the pressure release channel (330) and a second air guide section (111-2) which is arranged at the bottom of the high-strength silk screen (117) are arranged in the pressure release window (111), the cross-sectional area of the second air guide section (111-2) is larger than that of the first air guide section (111-1), and the sum of the aperture area of the central hole (116-1) and the total aperture area of each through hole (116-2) is larger than or equal to the cross-sectional area of the first air guide section (111-1).
2. A switchgear as claimed in claim 1, wherein: the utility model discloses a prefabricated baffle, including prefabricated baffle (120), first division board (130), second division board (140), connecting portion (131) that the cross-section extends to both sides horizontal position are equipped with respectively to terminal surface about prefabricated baffle (120), connecting portion (131) set up cell body (121) department, evenly distributed has mounting hole (132) and screw fastener (150) on connecting portion (131), screw fastener (150) run through prefabricated baffle (120) and fixed connection are in mounting hole (132) department.
3. A switchgear as claimed in claim 2, wherein: and a gap part between the groove body (121) and the connecting part (131) is filled and sealed by epoxy pouring.
4. A switchgear as claimed in claim 1, wherein: the end cover plate (112) is arranged on the upper end face of the combined cover plate (110) through a hinge seat (113).
5. A switchgear as claimed in claim 1, wherein: the compartment unit (200) is internally and fixedly connected with a mounting plate (311) for mounting the pressure relief interface (310).
6. A method of installing a switchgear as claimed in claim 1, wherein: the method comprises the following steps:
the first isolation plate (130) and the second isolation plate (140) are respectively correspondingly arranged at the upper end and the lower end of the prefabricated partition plate (120), and the connection part of the first isolation plate (130) and the prefabricated partition plate (120) and the connection part of the second isolation plate (140) and the prefabricated partition plate (120) are poured through epoxy;
the pressure relief interface (310) is arranged in the compartment unit (200), the pressure relief door (320) is arranged at the air inlet end of the pressure relief interface (310), and the compartment unit (200) is communicated with/closed with the pressure relief channel (330) through opening/closing of the pressure relief door (320);
the combined cover plate (110) is arranged at the top end of the cabinet body (1), the flow dividing sheet (116) and the high-strength silk screen (117) are arranged in the pressure release window (111), and the end cover plate (112) is covered to wrap and seal the pressure release window (111).
Priority Applications (1)
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CN202110732639.9A CN113315022B (en) | 2021-06-29 | 2021-06-29 | Switch cabinet and switch cabinet installation method |
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CN202110732639.9A CN113315022B (en) | 2021-06-29 | 2021-06-29 | Switch cabinet and switch cabinet installation method |
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CN113315022A CN113315022A (en) | 2021-08-27 |
CN113315022B true CN113315022B (en) | 2024-03-12 |
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CN202110732639.9A Active CN113315022B (en) | 2021-06-29 | 2021-06-29 | Switch cabinet and switch cabinet installation method |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN210600343U (en) * | 2019-09-24 | 2020-05-22 | 江苏复森特种阀门有限公司 | Dedicated zero device that lets out of rupture disk safety device |
CN210957398U (en) * | 2019-11-05 | 2020-07-07 | 扬州安普利电力设备有限公司 | Explosion-proof lighting distribution box |
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KR200398675Y1 (en) * | 2005-07-27 | 2005-10-14 | (주)서전기전 | High integrated simple metal clad |
CN104638537A (en) * | 2015-03-12 | 2015-05-20 | 成都振中电气有限公司 | Electric cabinet applied to humid environment and application method thereof |
CN105826854A (en) * | 2016-03-22 | 2016-08-03 | 广州白云电器设备股份有限公司 | Gas insulated metal enclosed switchgear |
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CN108963797A (en) * | 2018-07-16 | 2018-12-07 | 苏州天鸿电子有限公司 | A kind of pressure relief element in switchgear |
CN110011212A (en) * | 2019-04-09 | 2019-07-12 | 武汉华源电气设备有限责任公司 | A kind of Backpack type switchgear with shared pressure release passage box structure |
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CN210957398U (en) * | 2019-11-05 | 2020-07-07 | 扬州安普利电力设备有限公司 | Explosion-proof lighting distribution box |
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Effective date of registration: 20240710 Address after: No. 6, Science and Technology Park, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province, China 212200 Patentee after: Jiangsu Huatong Construction Engineering Co.,Ltd. Country or region after: China Address before: No.6, science and Technology Park, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU HUATONG ELECTRIC CO.,LTD. Country or region before: China |