CN216981169U - High-voltage switch cabinet group - Google Patents
High-voltage switch cabinet group Download PDFInfo
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- CN216981169U CN216981169U CN202220371806.1U CN202220371806U CN216981169U CN 216981169 U CN216981169 U CN 216981169U CN 202220371806 U CN202220371806 U CN 202220371806U CN 216981169 U CN216981169 U CN 216981169U
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- cable chamber
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Abstract
The utility model relates to a high-voltage switch cabinet group. The high-voltage switch cabinet group comprises a plurality of high-voltage switch cabinets which are arranged in parallel, a cable chamber of each switch cabinet is provided with a threading hole, and an automatic fire extinguishing device is arranged close to the threading hole; the automatic fire extinguishing device comprises a control box and a fire extinguishing assembly, wherein the control box is arranged in the cable chamber, is used for acquiring a fire signal and is electrically connected with the electrical control assembly; the fire extinguishing assembly comprises a high-pressure gas cylinder, a connecting pipe, a flow dividing pipe and a plurality of nozzles, wherein an electromagnetic valve is arranged on the connecting pipe, the electromagnetic valve is electrically connected with a control box, and each nozzle is installed at an angle facing the direction of the threading hole in an inclined mode. The control box triggers the start solenoid valve through detecting the fire signal in the cable chamber to start the threading hole direction injection that the control shower nozzle of putting out a fire arouses the conflagration easily, realize accurate putting out a fire, can effectively prevent the accident and enlarge.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a high-voltage switch cabinet group.
Background
The abnormal action of the high-voltage switch cabinet is usually caused by the occurrence of a ground short circuit fault of a line, particularly, a cable terminal in a cable chamber of the high-voltage switch cabinet is often accompanied with a fire phenomenon when the fault occurs, and the main reasons are caused by the problems of long running time, aging, low manufacturing process level of the cable terminal and the like of the high-voltage switch cabinet. When a cable chamber is in fire, because the switch cabinet is a closed space, a large amount of smoke and toxic gas are generated when the cable is on fire, and therefore, the fire is difficult to extinguish quickly and the emergency repair is difficult. Therefore, how to realize timely and accurately extinguishing the fire at the initial stage of the fire in the cable chamber of the high-voltage switch cabinet so as to effectively avoid the expansion of the accident is a technical problem which is urgently needed to be solved in the field at present.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a high tension switchgear group that can put out a fire fast, accurate putting out a fire, prevent that the accident from enlarging to the problem that high tension switchgear among the prior art catches fire because of reasons such as cable ageing takes place the cable chamber easily in service.
A high voltage switchgear group comprising: the high-voltage switch cabinets run in parallel, and each high-voltage switch cabinet comprises a cabinet body, a cabinet door and a cable chamber; an electrical control assembly is arranged in the cabinet body, the cabinet door is movably mounted on the cabinet body, the cable chamber is arranged at the bottom of the cabinet body and provided with a threading hole, and an automatic fire extinguishing device is mounted in the cable chamber close to the threading hole; the automatic fire extinguishing device comprises a control box and a fire extinguishing assembly, wherein the control box is arranged in the cable chamber, is used for acquiring a fire signal and is electrically connected with the electrical control assembly; the subassembly of putting out a fire includes high pressure cylinder, connecting pipe, shunt tubes and a plurality of shower nozzle, high pressure cylinder movable mounting in the bottom of cable chamber, the connecting pipe is vertical install in the cable chamber is close to the lateral wall of through wires hole, the connection can be dismantled to the one end of connecting pipe high pressure cylinder, just install in the solenoid valve on the connecting pipe, the solenoid valve with control box electric connection, and the basis fire signal switch-on that the control box acquireed is put out a fire, shunt tubes horizontal installation in the upper end of cable chamber, and with the connecting pipe is kept away from high pressure cylinder's one end is connected, each the shower nozzle respectively the interval set up in on the shunt tubes, and each the shower nozzle orientation the slope of through wires hole direction sets up.
In one embodiment, the shunt pipe is provided with a plurality of mounting openings, and the spray heads are respectively and movably arranged on the mounting openings.
In one embodiment, each spray head is correspondingly arranged on one mounting port through a rotary bent pipe.
In one embodiment, the control box comprises a sensor, a rotating thimble and a contact switch, the sensor is used for detecting a fire signal in the cable chamber, the rotating thimble rotates to a preset angle according to the fire signal to be in contact with the contact switch, the contact switch is triggered to act, and the contact switch is electrically connected with the electromagnetic valve.
In one embodiment, the sensor is a fiber optic sensor.
In one embodiment, the sensor includes a relay and an output interface electrically connected to each other, and the output interface is linked with the rotating pin.
In one embodiment, the control box is provided with a protective cover, and the rotating thimble and the contact switch are arranged in the protective cover.
In one embodiment, the electrical control assembly comprises a comprehensive protection device and a circuit breaker, wherein the comprehensive protection device judges a fault signal by collecting voltage and current signals and controls the circuit breaker to trip according to the fault signal.
In one embodiment, the electrical control assembly further comprises a first detector and a second detector connected in series, wherein the first detector is used for detecting voltage and current signals on a line and sending acquired fault signals to the comprehensive protection device, and the second detector is installed at an outlet position of the circuit breaker and used for detecting whether the circuit breaker is tripped and disconnected or not and sending tripping signals of the circuit breaker to the control box.
In one embodiment, the high-voltage switch cabinet group further comprises a fire extinguishing alarm system, and the fire extinguishing alarm system is electrically connected with the control box of the automatic fire extinguishing device.
According to the high-voltage switch cabinet group, the automatic fire extinguishing device is installed in the cable chamber of each high-voltage switch cabinet, particularly after the control box acquires a fire signal, the electromagnetic valve on the connecting pipe of the fire extinguishing assembly is started in a linkage manner, so that the high-pressure gas cylinder is conducted with the connecting pipe, the flow dividing pipe and the plurality of nozzles, and the fire extinguishing gas is quickly released to quickly extinguish the fire; simultaneously through the through wires hole installation that will put out a fire the subassembly and be close to the cable chamber, the installation angle orientation of shower nozzle arouses the through wires hole of condition of a fire easily to help realizing accurate putting out a fire, can effectively prevent the accident and enlarge.
Drawings
Fig. 1 is a schematic perspective view of a high-voltage switch cabinet group according to an embodiment.
Fig. 2 is a partially enlarged view of a portion a of the high-voltage switch cabinet group shown in fig. 1.
Fig. 3 is a schematic structural diagram of a fire extinguishing assembly of a high-voltage switch cabinet group according to an embodiment.
Fig. 4 is a schematic structural diagram of a control box of the high-voltage switch cabinet group according to an embodiment.
Fig. 5 is a schematic structural diagram of an electrical control assembly of the high-voltage switch cabinet group according to an embodiment.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, a high voltage switchgear assembly, comprises: the high-voltage switch cabinets run in parallel, and each high-voltage switch cabinet comprises a cabinet body, a cabinet door and a cable chamber; an electrical control assembly is arranged in the cabinet body, the cabinet door is movably mounted on the cabinet body, the cable chamber is arranged at the bottom of the cabinet body and provided with a threading hole, and an automatic fire extinguishing device is mounted in the cable chamber close to the threading hole; the automatic fire extinguishing device comprises a control box and a fire extinguishing assembly, wherein the control box is arranged in the cable chamber, is used for acquiring a fire signal and is electrically connected with the electrical control assembly; the subassembly of putting out a fire includes high pressure cylinder, connecting pipe, shunt tubes and a plurality of shower nozzle, high pressure cylinder movable mounting in the bottom of cable chamber, the connecting pipe vertical install in the cable chamber is close to the lateral wall of through wires hole, the connection can be dismantled to the one end of connecting pipe high pressure cylinder, just install in the solenoid valve on the connecting pipe, the solenoid valve with control box electric connection, and the basis fire signal switch-on that the control box acquireed is put out a fire, shunt tubes horizontal installation in the upper end of cable chamber, and with the connecting pipe is kept away from high pressure cylinder's one end is connected, each the shower nozzle respectively the interval set up in on the shunt tubes, and each the installation angle orientation of shower nozzle through wires hole direction slope sets up.
According to the high-voltage switch cabinet group, the automatic fire extinguishing device is installed in the cable chamber of each high-voltage switch cabinet, particularly after the control box acquires a fire signal, the electromagnetic valve on the connecting pipe of the fire extinguishing assembly is started in a linkage manner, so that the high-pressure gas cylinder is conducted with the connecting pipe, the flow dividing pipe and the plurality of nozzles, and the fire extinguishing gas is quickly released to quickly extinguish the fire; simultaneously through the through wires hole installation that will put out a fire the subassembly and be close to the cable chamber, the installation angle orientation of shower nozzle arouses the through wires hole of condition of a fire easily to help realizing accurate putting out a fire, can effectively prevent the accident and enlarge.
The high-voltage switch cabinet group is described below with reference to specific embodiments to further understand the inventive concept of the high-voltage switch cabinet group. Referring to fig. 1 to 3, in an embodiment, a high voltage switch cabinet set includes: the high-voltage switch cabinets 10 are arranged in parallel, and each high-voltage switch cabinet comprises a cabinet body 100, a cabinet door 200 and a cable chamber 300.
Specifically, an electrical control assembly is arranged in the cabinet body 100, the cabinet door 200 is movably mounted on the cabinet body 100, the cable chamber 300 is arranged at the bottom of the cabinet body 100, the cable chamber 300 is provided with a threading hole 310, and an automatic fire extinguishing device 400 is mounted in the cable chamber close to the threading hole 310; the electrical control component is an electrical control element for controlling the high-voltage switch cabinet to be turned on and off, and reference may be made to related records of the electrical control element arranged in the high-voltage switch cabinet in the prior art, which are not described in detail in the present application. The cable chamber 300 belongs to a closed space, and an external power line is connected into the cabinet body through a threading hole 310 and is electrically connected with the electrical control assembly; because the through wires hole position of cable chamber often arouses the source of condition of a fire, consequently the present case can realize effectively putting out a fire fast through the position installation automatic fire extinguishing device 400 that is close to the through wires hole.
Specifically, the automatic fire extinguishing apparatus 400 includes a control box 410 and a fire extinguishing module 420, wherein the control box 410 is installed in the cable chamber 300, and is used for acquiring a fire signal and electrically connected to the electrical control module; fire extinguishing assembly 420 includes high pressure gas cylinder 421, connecting pipe 422, shunt tubes 423 and a plurality of shower nozzle 424, high pressure gas cylinder 421 movable mounting is in the bottom of cable chamber 300, connecting pipe 422 is vertical to be installed in cable chamber 300 near the lateral wall of through wires hole, connecting pipe 422's one end can be dismantled and connect high pressure gas cylinder 421, and install in solenoid valve 425 on the connecting pipe 422, solenoid valve 425 and control box 410 electric connection, and switch on the start-up according to the fire signal that control box 410 acquireed and put out a fire, shunt tubes 423 horizontal installation is in the upper end of cable chamber 300, and the one end of keeping away from high pressure gas cylinder 421 with connecting pipe 422 is connected, each shower nozzle 424 is the interval respectively and sets up on shunt tubes 423, and each shower nozzle 424 sets up towards the slope of through wires hole direction. The high-pressure gas cylinder 421 is carbon dioxide. Thus, when the solenoid valve 425 is turned on by receiving a fire signal, the carbon dioxide in the high pressure gas cylinder 421 enters the branch pipe 423 through the connection pipe 422 and is discharged through the nozzles 424 of the branch pipe 423.
Further, the shunt tube 423 is provided with a plurality of mounting openings, and the spray heads 424 are respectively movably arranged on the mounting openings. That is, the nozzle 424 can be flexibly replaced according to the use time and the use condition. Further, each showerhead 424 is correspondingly disposed on a mounting port by a swivel elbow 426. The matching installation between the rotary elbow 426 and the spray head 424 is similar to the working principle of commercially sold electric toothbrushes, namely the movement of the rotary elbow is controlled by a built-in motor, so that the spray head is aligned with the upper, lower, left and right threading holes to spray fire extinguishing materials to control the fire source.
Referring to fig. 4, in one embodiment, the control box 410 includes a sensor 411, a rotating pin 412 and a contact switch 413, the sensor 411 is used for detecting a fire signal in the cable chamber 300, the rotating pin 412 rotates to a predetermined angle according to the fire signal and contacts with the contact switch 413, the contact switch 413 is triggered to operate, and the contact switch 413 is electrically connected to the solenoid valve 425. The sensor 411 may acquire any one of a fire signal, a heat signal and a smoke signal by detecting. In one embodiment, the sensor 411 is a fiber optic sensor. Because the optical signal sensing is adopted, the electromagnetic interference is avoided, the environmental adaptability is strong, the service life is longer than 30 years, and the operation and maintenance workload is small; and the optical fiber sensor can resist the impact of high voltage and high current due to complete electrical insulation.
In one embodiment, the sensor 411 includes a relay and an output interface electrically connected to each other, and the output interface is linked with the rotary pin. Since the temperature resolution of the sensor 411 reaches 0.5 ℃ and the temperature accuracy reaches 1 ℃, the signal misjudgment rate can be greatly reduced. It should be noted that the rotating thimble 412 is located at position B in the normal state of the high voltage switch cabinet, and after the sensor acquires the fire signal, the signal is transmitted to the relay inside the rotating thimble 412, and the relay controls the rotating thimble 412 to rotate towards the contact switch 413 according to the rotating command of the preset angle, and lightly contacts the contact switch 413, so that the contact switch 413 is turned on. Because contact switch 413 and solenoid valve 425 electric connection, after contact switch 413 switches on, solenoid valve 425 also switches on to make the fire extinguishing gas in high pressure gas cylinder 421 get into shunt tubes 423 through connecting pipe 422, erupt through a plurality of shower nozzles 424 and put out a fire. The contact switch is started and triggered by rotating the thimble 412, so that the operation is simple, the fire can be effectively and accurately extinguished in time at the initial stage of the fire, and the expansion of accidents is effectively avoided.
Specifically, the control box 410 has a protective cover 414, and the rotary ejector pin 412 and the contact switch 413 are installed in the protective cover 414. The protection cover 414 is an insulating box body, and is installed in the inner cavity of the cable chamber. By providing the protective cover 414, it is possible to effectively prevent the precision components such as the rotary thimble 412 and the contact switch 413 from being affected by the environment due to the fire extinguishing operation and from affecting the operation sensitivity.
Referring to fig. 5, in one embodiment, the electrical control assembly 500 includes a comprehensive protection device 510 and a circuit breaker 520, wherein the comprehensive protection device 510 judges a fault signal by collecting a voltage signal and a current signal, and controls the circuit breaker to trip according to the fault signal. The comprehensive protection device is connected in a circuit and plays a role in protecting abnormal conditions (short circuit, open circuit and short circuit) in the circuit; for example, the integrated protection device 510 is an SLL943 or SLL944 microcomputer integrated protection device. Further, the electrical control assembly further includes a first detector 530 and a second detector 540 connected in series, the first detector 530 is used for detecting voltage and current signals on the line and sending the acquired fault signals to the comprehensive protection device 510, and the second detector 540 is installed at an outlet position of the circuit breaker and used for detecting whether the circuit breaker 520 is tripped and disconnected or not and sending the trip signal of the circuit breaker to the control box 410. Specifically, a voltage current signal on a circuit is detected by the first detector 530, the detected voltage current signal is transmitted to the comprehensive protection device 510, the comprehensive protection device 510 can judge whether a short circuit or a broken circuit fault occurs according to the voltage current signal, then the breaker 520 is controlled to trip according to a judgment result, and further the outlet voltage current of the breaker is detected by the second detector 540, so that whether the breaker trips in place can be accurately obtained. When the signal that second detector 540 obtained is that the circuit breaker confirms that the disconnection has been done, send the solenoid valve with the disconnection signal this moment, the solenoid valve can obtain that the circuit takes place short circuit accident, and the linkage starts the solenoid valve for extinguishing device triggers work and puts out a fire. It should be noted that, this embodiment is suitable for when the circuit short-circuit fault occurs, when the control box 410 of the automatic fire extinguishing apparatus fails, through accurate and complete signal output, the fault can be responded in time and the fire extinguishing process can be performed, so as to avoid the accident expansion.
In one embodiment, the high-voltage switch cabinet group further comprises a fire extinguishing alarm system, and the fire extinguishing alarm system is electrically connected with a control box of the automatic fire extinguishing device. Namely, the fire-extinguishing alarm system is linked with the control equipment of the high-voltage control cabinet to alarm and extinguish fire. The fire extinguishing alarm system can be a TY-GM-FS3036 wireless photoelectric smoke detection alarm, the specific working principle can be referred to the working principle of the alarm of the type, and the detailed description is omitted in the embodiment.
According to the high-voltage switch cabinet group, the automatic fire extinguishing device is installed in the cable chamber of each high-voltage switch cabinet, particularly after the control box acquires a fire signal, the electromagnetic valve on the connecting pipe of the fire extinguishing assembly is started in a linkage manner, so that the high-pressure gas cylinder is conducted with the connecting pipe, the flow dividing pipe and the plurality of nozzles, and the fire extinguishing gas is quickly released to quickly extinguish the fire; simultaneously through the through wires hole installation that will put out a fire the subassembly and be close to the cable chamber, the installation angle orientation of shower nozzle arouses the through wires hole of condition of a fire easily to help realizing accurate putting out a fire, can effectively prevent the accident and enlarge.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A high-voltage switch cabinet group is characterized by comprising: the high-voltage switch cabinets run in parallel, and each high-voltage switch cabinet comprises a cabinet body, a cabinet door and a cable chamber; an electric control assembly is arranged in the cabinet body, the cabinet door is movably mounted on the cabinet body, the cable chamber is arranged at the bottom of the cabinet body and is provided with a threading hole, and an automatic fire extinguishing device is mounted in the cable chamber close to the threading hole;
the automatic fire extinguishing device comprises a control box and a fire extinguishing assembly, and the control box is arranged in the cable chamber; the subassembly of putting out a fire includes high pressure cylinder, connecting pipe, shunt tubes and a plurality of shower nozzle, high pressure cylinder movable mounting in the bottom of cable chamber, the connecting pipe vertical install in the cable chamber is close to the lateral wall of through wires hole, the connection can be dismantled to the one end of connecting pipe high pressure cylinder, just install the solenoid valve on the connecting pipe, the solenoid valve with control box electric connection, shunt tubes horizontal installation in the upper end of cable chamber, and with the connecting pipe is kept away from high pressure cylinder's one end is connected, each the shower nozzle respectively the interval set up in on the shunt tubes, and each the shower nozzle orientation the slope of through wires hole direction sets up.
2. The high voltage switch cabinet group according to claim 1, wherein said shunt tube is provided with a plurality of mounting openings, and each of said nozzles is movably disposed on said mounting openings.
3. The high-voltage switch cabinet group according to claim 2, wherein each spray head is correspondingly arranged on one of the mounting openings through a rotary elbow.
4. The high voltage switch cabinet assembly according to claim 1, wherein the control box comprises an electrically connected sensor, a rotating pin, and a contact switch, the contact switch being electrically connected to the solenoid valve.
5. The group of high-voltage switch cabinets of claim 4, wherein the sensor is a fiber optic sensor.
6. The high voltage switch cabinet assembly according to claim 4, wherein the sensor comprises a relay and an output interface electrically connected to each other, and the output interface is linked with the rotary pin.
7. The high voltage switchgear assembly of claim 4, wherein the control box has a protective cover, and the rotating thimble and the contact switch are mounted in the protective cover.
8. The high voltage switchgear assembly of claim 1 wherein the electrical control assembly comprises a circuit breaker and a heald protection device electrically connected thereto.
9. The high voltage switchgear assembly as claimed in claim 8, wherein said electrical control assembly further comprises a first detector and a second detector connected in series, said first detector for detecting voltage and current signals on the line, said second detector being mounted at an outlet position of said circuit breaker for detecting whether said circuit breaker trips open.
10. The high-voltage switch cabinet group according to claim 1, further comprising a fire extinguishing alarm system electrically connected to the control box of the automatic fire extinguishing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371806.1U CN216981169U (en) | 2022-02-23 | 2022-02-23 | High-voltage switch cabinet group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371806.1U CN216981169U (en) | 2022-02-23 | 2022-02-23 | High-voltage switch cabinet group |
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| Publication Number | Publication Date |
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| CN216981169U true CN216981169U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220371806.1U Active CN216981169U (en) | 2022-02-23 | 2022-02-23 | High-voltage switch cabinet group |
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| CN (1) | CN216981169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350971A (en) * | 2023-05-19 | 2023-06-30 | 常州德众新能源有限公司 | Flame-retardant fire-extinguishing electrical control cabinet |
-
2022
- 2022-02-23 CN CN202220371806.1U patent/CN216981169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350971A (en) * | 2023-05-19 | 2023-06-30 | 常州德众新能源有限公司 | Flame-retardant fire-extinguishing electrical control cabinet |
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