CN113764988A - Safe fireproof high-low voltage switch cabinet and use method - Google Patents

Safe fireproof high-low voltage switch cabinet and use method Download PDF

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Publication number
CN113764988A
CN113764988A CN202111070101.2A CN202111070101A CN113764988A CN 113764988 A CN113764988 A CN 113764988A CN 202111070101 A CN202111070101 A CN 202111070101A CN 113764988 A CN113764988 A CN 113764988A
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CN
China
Prior art keywords
cabinet body
low voltage
voltage switch
fixedly connected
inner cavity
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202111070101.2A
Other languages
Chinese (zh)
Inventor
沈雷
何俊
温建峰
赵伟
张德勤
耿龙权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yinjia Electrical Equipment Co ltd
Jiangsu Yinjia Group Co ltd
Original Assignee
Jiangsu Yinjia Electrical Equipment Co ltd
Jiangsu Yinjia Group Co ltd
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.)
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Publication date
Application filed by Jiangsu Yinjia Electrical Equipment Co ltd, Jiangsu Yinjia Group Co ltd filed Critical Jiangsu Yinjia Electrical Equipment Co ltd
Priority to CN202111070101.2A priority Critical patent/CN113764988A/en
Publication of CN113764988A publication Critical patent/CN113764988A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306Accessories, e.g. windows
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/50Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
    • H02B1/505Pedestal- or pad-mounted casings; Parts thereof or accessories therefor retractable installations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a safe fireproof high-low voltage switch cabinet and a using method thereof. The fireproof high-low voltage switch cabinet can have the fireproof function, so that the high-low voltage switch cabinet is safer to use and longer in service life, and the problems that the high-low voltage switch cabinet is unsafe to use and shorter in service life due to the fact that the high-low voltage switch cabinet is easily damaged by high-temperature fire during the use process because the high-low voltage switch cabinet does not have the fireproof function are solved.

Description

Safe fireproof high-low voltage switch cabinet and use method
Technical Field
The invention relates to the technical field of high-low voltage switch cabinets, in particular to a safe fireproof high-low voltage switch cabinet and a using method thereof.
Background
High-low voltage switch cabinet is the equipment that connects high pressure or low-voltage cable as the name implies, general power supply office, the transformer substation is all with the high-voltage board, then step down through the transformer and arrive the low-voltage board again, the low-voltage board arrives the block terminal of each power consumption again, the inside does not have or be just assembles into integrative electrical equipment to some protective device such as switch circuit breaker, current high-low voltage switch cabinet is when using, do not possess the function of fire prevention, make it in the use, the condition that high temperature catches fire very easily appears, cause high-low voltage switch cabinet to damage, thereby lead to high-low voltage switch cabinet to appear using unsafe and the short problem of life, bring huge economic loss for the user.
Disclosure of Invention
The invention aims to provide a safe fireproof high-low voltage switch cabinet and a using method thereof, which have the advantage of fire prevention and solve the problems that the high-low voltage switch cabinet is unsafe to use and short in service life because the high-low voltage switch cabinet is very easy to damage due to the fact that the high-low voltage switch cabinet is easily subjected to high-temperature fire catching in the using process because the high-low voltage switch cabinet does not have the function of fire prevention when in use.
In order to achieve the purpose, the invention provides the following technical scheme:
a safe and fireproof high-low voltage switch cabinet and a using method thereof comprise a base and a mouse-blocking inserting plate, wherein the top of the base is fixedly connected with a cabinet body, the left side of the front surface of the cabinet body is movably connected with a cabinet door, the front side of the bottom of an inner cavity of the cabinet body is transversely provided with an inserting groove, the center of the inner cavity of the cabinet body is vertically and fixedly connected with a hollowed-out mounting plate, the rear side of the bottom of the inner cavity of the cabinet body is provided with a carbon dioxide storage tank, the right side of the carbon dioxide storage tank is fixedly communicated with a filling pipe, the left side of the carbon dioxide storage tank is fixedly connected with an outlet pipe, the left side of the outlet pipe is fixedly communicated with a distribution pipe, the front side of the distribution pipe penetrates through to the front side of the hollowed-out mounting plate, the front side and the rear side of the distribution pipe are vertically and fixedly connected with exhaust pipes, one side corresponding to the two exhaust pipes is fixedly communicated with a spray head, the left side of the inner cavity of the cabinet body is provided with a smoke detection sensor, an infrared camera is installed on the right side of the inner cavity of the cabinet body, and a temperature sensor is installed at the top of the inner cavity of the cabinet body;
the multifunctional cabinet is characterized in that a heat dissipation window is formed in the center of the back surface of the cabinet body, an exhaust fan is installed in an inner cavity of the heat dissipation window, a shielding frame is fixedly connected to the back surface of the cabinet body and located on the outer ring of the heat dissipation window, a hidden groove is formed in the front surface of the shielding frame, a top plate is transversely and fixedly connected to the top of the back surface of the cabinet body, an electric telescopic rod is fixedly connected to the center of the bottom surface of the top plate, a lifting block is fixedly connected to the inner cavity of the output end of the electric telescopic rod, penetrates through the shielding frame and extends to the hidden groove, a positioning strip is fixedly connected to the front surface of the lifting block, and a piece of folding sealing cloth is fixedly connected to the front surface of the positioning strip;
the output of flue gas detection sensor, temperature sensor and infrared camera all has remote control center through field bus signal connection, remote control center's output passes through field bus signal connection in the input of electric telescopic handle and exhaust fan respectively, remote control center has the solenoid valve through field bus signal connection, remote control center's input electricity is connected with signal transmitter, remote control center's output electricity is connected with the display screen.
Preferably, the bottom on keeping off mouse picture peg outer lane surface is sliding contact with the inner chamber of slot, keep off the surface on mouse picture peg left side and the surface on right side and the left side and the right side of cabinet body inner chamber and be sliding contact.
Preferably, a manual gate valve is installed on the filling pipe, a pressure gauge is installed on the left side of the top of the carbon dioxide storage tank, supporting plates are fixedly connected to two sides of the surface of the bottom of the carbon dioxide storage tank, and the bottom of each supporting plate is fixedly connected with the bottom of the inner cavity of the cabinet body.
Preferably, a cleaning window is formed in the bottom of the back surface of the cabinet body, and a sealing door matched with the cleaning window is installed at the bottom of the right side of the back surface of the cabinet body.
Preferably, a lifting hole is formed in the center of the top surface of the shielding frame in a penetrating mode, the bottom of an inner cavity of the lifting hole is communicated with an inner cavity of the hidden groove, and the inner diameter of the lifting hole is in sliding contact with the surface of the output end of the electric telescopic rod.
Preferably, both sides of the folding sealing cloth and the positioning strip extend to the inner cavity of the hidden groove, and a gap is reserved between the back surface of the folding sealing cloth and the rear side of the hidden groove inner cavity.
Preferably, the solenoid valve is installed on the outlet duct, signal transmitter is computer keyboard, the surface on the left side of fretwork mounting panel and the surface on right side and the left side and the right side of cabinet body inner chamber are fixed connection.
A use method of a safe fireproof high-low voltage switch cabinet comprises the following steps:
A) according to the actual use requirements of the high-low voltage switch cabinet, corresponding electrical equipment elements are installed on the hollowed-out installation plate, the high-low voltage switch cabinet is connected to a field circuit after installation is finished, and the flue gas detection sensor, the temperature sensor, the infrared camera, the electric telescopic rod, the exhaust fan and the electromagnetic valve are connected with the remote control center through a field bus;
B) when the temperature is higher, a remote monitoring center person sends an instruction through a signal transmitter to control the exhaust fan to be started and the electric telescopic rod to be contracted so that the heat dissipation window is exposed to perform heat dissipation and cooling, after the temperature is greatly reduced, the remote monitoring center person sends an instruction through the signal transmitter to control the exhaust fan to stop running and the electric telescopic rod to extend out, and the heat dissipation window is sealed again by using the folding sealing cloth;
C) when the smoke detection sensor detects smoke generated by combustion in the cabinet body, the infrared camera detects that flames are generated on electrical equipment elements in the cabinet body, and the temperature sensor detects that the temperature is abnormal, a remote monitoring center worker sends an instruction to control the electromagnetic valve to open through the signal transmitter, so that carbon dioxide in the carbon dioxide storage tank is sprayed out from the nozzle, the sprayed carbon dioxide cools the interior of the cabinet body, and extinguishes a fire at a fire catching place;
D) after putting out a fire, remote monitoring center personnel contract electric telescopic handle and the exhaust fan is opened, and closed solenoid valve simultaneously to the gas outgoing of the internal portion of cabinet, electric telescopic handle and the exhaust fan resets after the discharge, and the staff regularly opens sealing door, looks over the pressure of carbon dioxide storage jar through the manometer, in time reinjects carbon dioxide when pressure is less.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the high-low voltage switch cabinet, the smoke detection sensor, the temperature sensor, the infrared camera, the remote control center, the electromagnetic valve, the display screen and the signal transmitter are matched for use, so that the high-low voltage switch cabinet has a fireproof function, the high-low voltage switch cabinet is safer to use and longer in service life, and the problems that the high-low voltage switch cabinet is unsafe to use and shorter in service life due to the fact that the high-low voltage switch cabinet is easy to damage due to the fact that the high-low voltage switch cabinet is prone to fire at high temperature in the using process because the high-low voltage switch cabinet does not have the fireproof function in the using process are solved.
(2) According to the high-low voltage switch cabinet, the slot is formed, the mouse blocking inserting plate can be placed, the mouse blocking inserting plate can be used for blocking the bottom of the high-low voltage switch cabinet when the high-low voltage switch cabinet is maintained, the opening and closing of the filling pipe can be controlled through the manual gate valve, the pressure inside the carbon dioxide storage tank can be detected through the pressure gauge, the carbon dioxide storage tank can be supported through the supporting plate, the back surface of the cabinet body can be conveniently opened through cleaning the window and the sealing door, the electric telescopic rod can conveniently extend and contract through the lifting hole, and the two sides of the folding sealing cloth and the positioning strip can be accommodated through the hidden groove.
Drawings
FIG. 1 is an isometric view of a structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a rear view of the structure of the present invention;
FIG. 4 is an isometric view of the shadow frame construction of the present invention;
FIG. 5 is a rear view of the shadow frame structure of the present invention;
FIG. 6 is a schematic structural view of a rat guard board according to the present invention;
fig. 7 is a schematic diagram of the system of the present invention.
In the figure: 1 cabinet door, 2 distribution pipes, 3 slots, 4 bases, 5 cabinets, 6 sealing doors, 7 hollowed-out mounting plates, 8 shielding frames, 9 spray heads, 10 top plates, 11 flue gas detection sensors, 12 exhaust pipes, 13 temperature sensors, 14 infrared cameras, 15 heat dissipation windows, 16 exhaust fans, 17 cleaning windows, 18 filling pipes, 19 carbon dioxide storage tanks, 20 pressure meters, 21 air outlet pipes, 22 electric telescopic rods, 23 lifting holes, 24 hidden grooves, 25 folding sealing cloth, 26 lifting blocks, 27 positioning strips, 28 rat blocking insertion plates, 29 remote control centers, 30 electromagnetic valves, 31 display screens and 32 signal transmitters.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a safe and fireproof high-low voltage switch cabinet comprises a base 4 and a rat-blocking insertion plate 28, wherein a cabinet body 5 is fixedly connected to the top of the base 4, a cabinet door 1 is movably connected to the left side of the front surface of the cabinet body 5, the cabinet body 5 can be sealed through the cabinet door 1, a slot 3 is transversely formed in the front side of the bottom of the inner cavity of the cabinet body 5, a hollowed-out mounting plate 7 is vertically and fixedly connected to the center of the inner cavity of the cabinet body 5, electrical equipment elements can be positioned and mounted through the hollowed-out mounting plate 7, a carbon dioxide storage tank 19 is mounted on the rear side of the bottom of the inner cavity of the cabinet body 5, a filling pipe 18 is fixedly communicated with the right side of the carbon dioxide storage tank 19, carbon dioxide can be conveniently filled into the carbon dioxide storage tank 19 through the filling pipe 18, an air outlet pipe 21 is fixedly connected to the left side of the carbon dioxide storage tank 19, a distribution pipe 2 is fixedly communicated with the left side of the air outlet pipe 21, the front side of the distribution pipe 2 penetrates to the front side of the hollowed-out mounting plate 7, the equal vertical fixedly connected with blast pipe 12 of front side and the rear side of distributing pipe 2, the fixed intercommunication in one side that two blast pipes 12 are corresponding has shower nozzle 9, blast pipe 12's top and bottom all with the top and the bottom fixed connection of the 5 inner chambers of the cabinet body, shower nozzle 9 of front side is located the right back of front side blast pipe 12, shower nozzle 9 of rear side is located the right front of rear side blast pipe 12, flue gas detection sensor 11 is installed in the left side of the 5 inner chambers of the cabinet body, flue gas sensor 11's quantity is four, four flue gas sensor 11 are located the top and the bottom of the left front side of the 5 inner chambers of the cabinet body and rear side respectively, infrared camera 14 is installed on the right side of the 5 inner chambers of the cabinet body, infrared camera 14's quantity is two, two infrared camera 14 distribute in front side and the rear side of the 5 inner chambers right side center department of the cabinet body, temperature sensor 13 is installed at the top of the 5 inner chambers of the cabinet body.
The center department of the 5 back of the body surfaces of the cabinet body has seted up heat dissipation window 15, exhaust fan 16 is installed to heat dissipation window 15's inner chamber, the rear side of the 15 inner chamber of heat dissipation window can be according to the in-service use demand installation metal filter plate, the back of the body surface of the cabinet body 5 just is located heat dissipation window 15's outer lane fixedly connected with shielding frame 8, the positive surface of shielding frame 8 has been seted up and has been hidden recess 24, the horizontal fixedly connected with roof 10 in top of the 5 back of the body surfaces of the cabinet body, the center department fixedly connected with electric telescopic handle 22 of roof 10 bottom surface, electric telescopic handle 22's output is two sections, the bottom of electric telescopic handle 22 output is run through shielding frame 8 and is extended to the inner chamber fixedly connected with elevator block 26 of hiding recess 24, the back of elevator block 26 and the rear side of hiding the recess 24 inner chamber are on same plane, the positive surface fixedly connected with locating strip 27 of elevator block 26, the positive surface fixedly connected with folding seal cloth 25 of locating strip 27.
The output ends of the smoke detection sensor 11, the temperature sensor 13 and the infrared camera 14 are all connected with a remote control center 29 through field bus signals, the output end of the remote control center 29 is respectively connected with the input ends of the electric telescopic rod 22 and the exhaust fan 16 through the field bus signals, the remote control center 29 is connected with an electromagnetic valve 30 through the field bus signals, the input end of the remote control center 29 is electrically connected with a signal transmitter 32, the output end of the remote control center 29 is electrically connected with a display screen 31, and various types of data can be displayed through the display screen 31.
The bottom of keeping off mouse picture peg 28 outer lane surface is sliding contact with the inner chamber of slot 3, keeps off the surface on the left of mouse picture peg 28 and right side and the left side and the right side of the inner chamber of the cabinet body 5 and is sliding contact, through setting up slot 3, can lay keeping off mouse picture peg 28, through keeping off mouse picture peg 28, can shelter from the bottom of high-low voltage switch cabinet when maintaining high-low voltage switch cabinet.
The manual gate valve is installed on the filling pipe 18, the pressure gauge 20 is installed on the left side of the top of the carbon dioxide storage tank 19, the supporting plates are fixedly connected to the two sides of the bottom surface of the carbon dioxide storage tank 19, the bottom of each supporting plate is fixedly connected with the bottom of the inner cavity of the cabinet body 5, the opening and closing of the filling pipe 18 can be controlled through the manual gate valve, the pressure inside the carbon dioxide storage tank 19 can be detected through the pressure gauge 20, and the carbon dioxide storage tank 19 can be supported through the supporting plates.
Clearance window 17 has been seted up to the bottom on the back of the face of the cabinet body 5, and the bottom on the face of the back of the cabinet body 5 right side is installed and is used with clearance window 17 cooperation sealing door 6, through clearance window 17 and sealing door 6, conveniently opens the back of the face of the back of the cabinet body 5.
The center department of shielding frame 8 top surface runs through and has seted up lift hole 23, the bottom of lift hole 23 inner chamber and the inner chamber intercommunication of hiding recess 24, and the internal diameter of lift hole 22 is sliding contact with the surface of electric telescopic handle 22 output, through lift hole 23, makes things convenient for electric telescopic handle 22 to stretch out and contract.
The both sides of folding sealed cloth 25 and location strip 27 all extend to the inner chamber of hiding recess 24, and the back surface of folding sealed cloth 25 has the clearance with the rear side of hiding the recess 24 inner chamber, through hiding recess 24, can accomodate the both sides of folding sealed cloth 25 and location strip 27.
The electromagnetic valve 30 is installed on the air outlet pipe 21, the signal transmitter 32 is a computer keyboard, and the surface of the left side and the surface of the right side of the hollow installation plate 7 are fixedly connected with the left side and the right side of the inner cavity of the cabinet body 5.
A use method of a safe fireproof high-low voltage switch cabinet comprises the following steps:
A) according to the actual use requirements of the high-low voltage switch cabinet, corresponding electrical equipment elements are installed on the hollow installation plate 7, the high-low voltage switch cabinet is connected to a field circuit after installation is finished, and the flue gas detection sensor 11, the temperature sensor 13, the infrared camera 14, the electric telescopic rod 22, the exhaust fan 16 and the electromagnetic valve 30 are connected with the remote control center 29 through a field bus;
B) when the temperature is high, a remote monitoring center person sends an instruction through the signal transmitter 32 to control the exhaust fan 16 to be started and the electric telescopic rod 22 to be contracted, so that the heat dissipation window 15 is exposed outside for heat dissipation and temperature reduction, after the temperature is greatly reduced, the remote monitoring center person sends an instruction through the signal transmitter 32 to control the exhaust fan 16 to stop running and the electric telescopic rod 22 to extend out, and the heat dissipation window 15 is sealed again by the folding sealing cloth 25;
C) when the smoke detection sensor 11 detects smoke generated by combustion in the cabinet body 5, the infrared camera 14 detects that flames are generated on electrical equipment elements in the cabinet body 5, and the temperature sensor 13 detects that the temperature is abnormal, a remote monitoring center worker sends an instruction to control the electromagnetic valve 30 to be opened through the signal transmitter 32, so that carbon dioxide in the carbon dioxide storage tank 19 is sprayed out from the nozzle 9, the sprayed carbon dioxide cools the interior of the cabinet body 5 and extinguishes a fire at the fire, the electric telescopic rod 22 is in an extending state in the fire extinguishing process, a large amount of carbon dioxide is prevented from overflowing, and the remote monitoring center worker can know the internal condition of the cabinet body 5 through the temperature sensor 13, the smoke detection sensor 11 and the infrared camera 14 in real time;
D) after putting out a fire, remote monitoring center personnel contract electric telescopic handle 22 and exhaust fan 16 opens, and closed solenoid valve 30 simultaneously to the gas outgoing of the internal portion of cabinet 5, resets electric telescopic handle 22 and exhaust fan 16 after the discharge, and the staff regularly opens sealing door 6, looks over the pressure of carbon dioxide storage jar 19 through manometer 20, in time reinjects carbon dioxide when pressure is less.
All kinds of parts used in this application file are standard parts, can purchase from the market, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art, and circuit connection adopts conventional connected mode among the prior art, and electrical equipment all communicates with external safe power supply, does not make specific statement here again.
In conclusion, the safe fireproof high-low voltage switch cabinet and the use method solve the problems that the high-low voltage switch cabinet is easy to damage due to the fact that the high-low voltage switch cabinet does not have a fireproof function in the use process due to the fact that the high-low voltage switch cabinet does not have a high-temperature fire catching condition easily, and the high-low voltage switch cabinet is unsafe to use and short in service life due to the fact that the high-low voltage switch cabinet is not provided with the matching use of the distribution pipe 2, the shielding frame 8, the spray head 9, the top plate 10, the smoke detection sensor 11, the exhaust pipe 12, the temperature sensor 13, the infrared camera 14, the heat dissipation window 15, the exhaust fan 16, the filling pipe 18, the carbon dioxide storage tank 19, the exhaust pipe 21, the electric telescopic rod 22, the hidden groove 24, the folding sealing cloth 25, the lifting block 26, the positioning strip 27, the remote control center 29, the electromagnetic valve 30, the display screen 31 and the signal transmitter 32.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

Claims (8)

1. The utility model provides a safe fire prevention type high-low pressure cubical switchboard and application method, includes base (4) and fender mouse picture peg (28), its characterized in that, the top fixedly connected with cabinet body (5) of base (4), the left side swing joint on the positive surface of the cabinet body (5) has cabinet door (1), slot (3) have transversely been seted up to the front side of the cabinet body (5) inner chamber bottom, the vertical fixedly connected with fretwork mounting panel (7) of center department of the cabinet body (5) inner chamber, carbon dioxide storage jar (19) is installed to the rear side of the cabinet body (5) inner chamber bottom, the fixed intercommunication in right side of carbon dioxide storage jar (19) has filling pipe (18), the left side fixedly connected with outlet duct (21) of carbon dioxide storage jar (19), the fixed intercommunication in left side of outlet duct (21) has distribution pipe (2), the front side of distribution pipe (2) runs through to the front side of fretwork mounting panel (7), exhaust pipes (12) are vertically and fixedly connected to the front side and the rear side of the distribution pipe (2), a spray head (9) is fixedly communicated with one side corresponding to the two exhaust pipes (12), a smoke detection sensor (11) is installed on the left side of the inner cavity of the cabinet body (5), an infrared camera (14) is installed on the right side of the inner cavity of the cabinet body (5), and a temperature sensor (13) is installed at the top of the inner cavity of the cabinet body (5);
a heat radiation window (15) is arranged at the center of the back surface of the cabinet body (5), an exhaust fan (16) is arranged in the inner cavity of the heat radiation window (15), a shielding frame (8) is fixedly connected with the outer ring of the back surface of the cabinet body (5) and positioned at the heat dissipation window (15), a hidden groove (24) is arranged on the front surface of the shielding frame (8), a top plate (10) is transversely and fixedly connected with the top of the back surface of the cabinet body (5), an electric telescopic rod (22) is fixedly connected at the center of the bottom surface of the top plate (10), the bottom of the output end of the electric telescopic rod (22) penetrates through the shielding frame (8) and extends to the inner cavity of the hidden groove (24) to be fixedly connected with a lifting block (26), the front surface of the lifting block (26) is fixedly connected with a positioning strip (27), and the front surface of the positioning strip (27) is fixedly connected with a folding sealing cloth (25);
the output of flue gas detection sensor (11), temperature sensor (13) and infrared camera (14) all has remote control center (29) through field bus signal connection, the output of remote control center (29) passes through field bus signal connection in the input of electric telescopic handle (22) and exhaust fan (16) respectively, remote control center (29) have solenoid valve (30) through field bus signal connection, the input electricity of remote control center (29) is connected with signal transmitter (32), the output electricity of remote control center (29) is connected with display screen (31).
2. The safe and fireproof high-low voltage switch cabinet and the use method according to claim 1, wherein the bottom of the outer ring surface of the rat guard inserting plate (28) is in sliding contact with the inner cavity of the slot (3), and the surface on the left side and the surface on the right side of the rat guard inserting plate (28) are in sliding contact with the left side and the right side of the inner cavity of the cabinet body (5).
3. The safe and fireproof high-low voltage switch cabinet and the use method according to claim 1, wherein a manual gate valve is installed on the filling pipe (18), a pressure gauge (20) is installed on the left side of the top of the carbon dioxide storage tank (19), support plates are fixedly connected to two sides of the bottom surface of the carbon dioxide storage tank (19), and the bottom of each support plate is fixedly connected with the bottom of the inner cavity of the cabinet body (5).
4. The safe and fireproof high-low voltage switch cabinet and the use method according to claim 1, wherein a cleaning window (17) is formed in the bottom of the back surface of the cabinet body (5), and a sealing door (6) matched with the cleaning window (17) is installed at the bottom of the right side of the back surface of the cabinet body (5).
5. The safe and fireproof high-low voltage switch cabinet and the use method according to claim 1, wherein a lifting hole (23) penetrates through the center of the top surface of the shielding frame (8), the bottom of the inner cavity of the lifting hole (23) is communicated with the inner cavity of the hidden groove (24), and the inner diameter of the lifting hole (23) is in sliding contact with the surface of the output end of the electric telescopic rod (22).
6. The safe and fireproof high-low voltage switch cabinet and the use method thereof according to claim 1, wherein both sides of the folded sealing cloth (25) and the positioning strip (27) extend to the inner cavity of the hidden groove (24), and a gap exists between the back surface of the folded sealing cloth (25) and the rear side of the inner cavity of the hidden groove (24).
7. The safe and fireproof high-low voltage switch cabinet and the use method according to claim 1, wherein the electromagnetic valve (30) is installed on the air outlet pipe (21), the signal transmitter (32) is a computer keyboard, and the surface of the left side and the surface of the right side of the hollowed-out mounting plate (7) are fixedly connected with the left side and the right side of the inner cavity of the cabinet body (5).
8. The use method of the safe and fireproof high-low voltage switch cabinet according to any one of claims 1 to 7, characterized by comprising the following steps:
A) according to the actual use requirements of the high-low voltage switch cabinet, corresponding electrical equipment elements are installed on the hollow installation plate (7), the high-low voltage switch cabinet is connected to a field circuit after installation is finished, and the flue gas detection sensor (11), the temperature sensor (13), the infrared camera (14), the electric telescopic rod (22), the exhaust fan (16) and the electromagnetic valve (30) are connected with a remote control center (29) through a field bus;
B) when the temperature is high, a remote monitoring center worker sends a command through a signal transmitter (32) to control the exhaust fan (16) to be started and the electric telescopic rod (22) to be contracted, so that the heat dissipation window (15) is exposed to the outside for heat dissipation and temperature reduction, after the temperature is greatly reduced, the remote monitoring center worker sends a command through the signal transmitter (32) to control the exhaust fan (16) to stop running and the electric telescopic rod (22) to extend out, and the heat dissipation window (15) is sealed again by using the folding sealing cloth (25);
C) when the smoke detection sensor (11) detects smoke generated by combustion in the cabinet body (5), the infrared camera (14) detects that flames are generated on electrical equipment elements in the cabinet body (5), and the temperature sensor (13) detects that the temperature is abnormal, a remote monitoring center worker sends an instruction to control the opening of the electromagnetic valve (30) through the signal transmitter (32), so that carbon dioxide in the carbon dioxide storage tank (19) is sprayed out from the spray head (9), the sprayed carbon dioxide cools the interior of the cabinet body (5), and extinguishes a fire, and in the fire extinguishing process, the electric telescopic rod (22) is in an extending state to avoid large amount of overflow of the carbon dioxide, and the remote monitoring center worker can know the internal condition of the cabinet body (5) in real time through the temperature sensor (13), the smoke detection sensor (11) and the infrared camera (14);
D) after putting out a fire, remote monitoring center personnel contract electric telescopic handle (22) and exhaust fan (16) open, closed solenoid valve (30) simultaneously, to the gas outgoing of the cabinet body (5) inside, electric telescopic handle (22) and exhaust fan (16) reset after the discharge, and sealing door (6) are regularly opened to the staff, look over the pressure of carbon dioxide storage jar (19) through manometer (20), in time reinjection carbon dioxide when pressure is less.
CN202111070101.2A 2021-09-13 2021-09-13 Safe fireproof high-low voltage switch cabinet and use method Pending CN113764988A (en)

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CN118089856A (en) * 2024-04-23 2024-05-28 青岛东泰工程检测有限公司 Intelligent detection equipment for electrical detection engineering

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CN212162543U (en) * 2020-04-27 2020-12-15 福建泉州泉能机电设备有限公司 High-voltage intelligent power distribution cabinet
CN212543052U (en) * 2020-07-24 2021-02-12 广州市净水有限公司 Safe fire prevention switch board
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US6317053B1 (en) * 1997-03-11 2001-11-13 Hans-Dieter Seeliger Switch cabinet with a fire extinguishing system
CN209709408U (en) * 2019-04-19 2019-11-29 湖南大亚输配电设备有限公司 A kind of middle-placed switch cabinet of self-extinguishing
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CN118089856A (en) * 2024-04-23 2024-05-28 青岛东泰工程检测有限公司 Intelligent detection equipment for electrical detection engineering

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Application publication date: 20211207