CN113193504B - Protective device for inflating cabinet - Google Patents
Protective device for inflating cabinet Download PDFInfo
- Publication number
- CN113193504B CN113193504B CN202110493285.7A CN202110493285A CN113193504B CN 113193504 B CN113193504 B CN 113193504B CN 202110493285 A CN202110493285 A CN 202110493285A CN 113193504 B CN113193504 B CN 113193504B
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- Prior art keywords
- cable
- fixedly connected
- fire extinguishing
- screw nut
- nut
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- 230000001681 protective effect Effects 0.000 title claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 description 14
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
-
- 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
- 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
- H02B13/035—Gas-insulated switchgear
-
- 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
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- 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
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
Abstract
The invention discloses a protective device for an inflatable cabinet, which relates to the technical field of inflatable cabinets and comprises an inflatable cabinet main body, a cable chamber and a fire extinguishing device, wherein the cable chamber is arranged at the bottom side of the inflatable cabinet main body, a cable joint is arranged at the back of the inflatable cabinet main body, the fire extinguishing device is arranged inside the cable chamber, a bolt is arranged inside the cable joint, an internal screw nut is fixedly connected to the middle part of the bolt, and an external screw nut is arranged on the outer surface of the internal screw nut. According to the invention, through the external-rotation nut and the internal-rotation nut, the problem that the sleeve is easy to break to cause high-voltage short circuit due to the fact that the internal stress of the three-core cable exerts great pressure on the sleeve after installation is solved, the problem that the sealing performance of the installation hole formed in the back of the cable joint cannot be guaranteed is solved, the effects of avoiding falling off and improving the sealing performance are achieved, and the fire extinguishing device is arranged to solve the problem that very great property loss is easily caused after short circuit and fire in a cable chamber in the existing equipment are caused.
Description
Technical Field
The invention relates to the technical field of inflatable cabinets, in particular to a protective device for an inflatable cabinet.
Background
Indoor AC high-voltage gas insulated metal enclosed switchgear is a new generation of switchgear, the main switch can be either a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, the whole cabinet is air insulated and combined with a sulfur hexafluoride gas compartment, and the switchgear is compact and expandable and is suitable for distribution automation. The inflatable cabinet has the characteristics of compact structure, flexible operation, reliable interlocking and the like, and can provide satisfactory technical schemes for various application occasions (particularly places with severe environment) and different user requirements. The adoption of sensing technology and the latest protective relay, and the advanced technical performance and the light and flexible assembly scheme can completely meet different requirements of users in the using and mounting processes.
Because the three-core cable of aerifing the cabinet needs the core phase sequence in the installation, need add external force wrench movement before fixed, lead to the internal stress that three-core cable wrench movement produced after the installation can gradual release, produce corresponding restoring force and act on the sleeve pipe, bring the very big pressure of sleeve pipe, consequently, lead to the sleeve pipe to produce very easily and break and cause the high-pressure short circuit phenomenon to take place, the tradition can set up the mounting hole behind the cable joint for convenient installation, be equipped with the installation lid, but the leakproofness can not be guaranteed in the installation lid use, still there is the risk that drops.
The existing equipment is not provided with a fire extinguishing device, but once a short circuit occurs in a cable chamber and a fire is started, very large property loss is easily caused, so that heptafluoropropane, a clean gas fire extinguishing agent which mainly takes chemical fire extinguishing and has a physical fire extinguishing function, is needed; the fire extinguishing agent is colorless, tasteless, low-toxicity, non-conductive, free of pollution to protected objects, free of environmental protection limitation, short in atmospheric retention period, free of damage to property and precision facilities, mainly has the fire extinguishing mechanism of interrupting a combustion chain, small in storage space, high in critical temperature, capable of being liquefied and stored at normal temperature, free of particles or oily residues after being released, free of damage to an atmospheric ozone layer, extremely high in fire extinguishing speed, and beneficial to emergency protection of precision electronic equipment and valuables.
The following problems exist in the prior art:
1. after the three-core cable is installed, internal stress generated by twisting can be gradually released, corresponding restoring force is generated and acts on the sleeve, and great pressure is brought to the sleeve, so that the sleeve is easy to break to cause a high-voltage short circuit phenomenon;
2. the back of the cable joint is provided with a mounting hole which is provided with a mounting cover, but the sealing property of the mounting cover in the using process can not be ensured, and the risk of falling can also be generated.
3. The existing equipment is not provided with a fire extinguishing device, but very large property loss is easily caused after a short circuit happens in a cable chamber and a fire happens, and a chain reaction is very easily caused in dense equipment.
Disclosure of Invention
The invention provides a protection device for an inflatable cabinet, which aims to provide an outward-turning nut, an elastic block, a return spring and a limiting groove, and solves the problems that after a three-core cable is installed, internal stress generated by twisting can be gradually released, corresponding restoring force is generated and acts on a sleeve, and great pressure is brought to the sleeve, so that the sleeve is easy to break to cause a high-voltage short circuit phenomenon; the other purpose is to solve the problems that a mounting hole is formed in the back of the cable joint, a mounting cover is arranged, but the sealing performance of the mounting cover in the using process cannot be guaranteed, and the risk of falling off is caused, so that the effects of avoiding falling off and improving the sealing performance are achieved; still another object is to provide a fire extinguishing apparatus using heptafluoropropane, which is provided to solve the problem that the conventional apparatus is not equipped with a fire extinguishing apparatus, but causes a great loss of property after a short-circuit occurs in a cable chamber.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a protector for aerify cabinet, is including aerifing cabinet main part, cable chamber and extinguishing device, the bottom side of aerifing the cabinet main part is provided with the cable chamber, the back of aerifing the cabinet main part is provided with cable joint, the inside of cable chamber is provided with extinguishing device, cable joint's inside is provided with the bolt, screw nut in the fixedly connected with of bolt middle part, screw nut's surface is provided with the outer nut that revolves.
The fire extinguishing device is characterized in that a rotary slide way is fixedly connected to one side of the external screw nut, a connecting shell is movably connected to the outer surface of the rotary slide way, a cable is fixedly connected to one side of the bolt, a cable protective layer is fixedly connected to the outer surface of the cable, and a fire extinguishing agent storage bottle is arranged inside the fire extinguishing device.
The technical scheme of the invention is further improved as follows: the limiting groove is formed in the external-rotation nut, a reset spring is fixedly connected to the top end of the limiting groove, an elastic block is fixedly connected to the bottom end of the reset spring, and the tail end of the elastic block is movably connected with the external-rotation nut.
Adopt above-mentioned technical scheme, in this scheme extinguishing device's setting is in order to prevent the cable chamber is fired on fire right aerify loss of property and personal safety that the cabinet main part caused, the setting of external screw nut is in order to avoid traditional three-core cable to twist the internal stress that produces after the installation to produce the emergence that the influence that breaks leads to high-pressure short circuit phenomenon to the sleeve pipe, external screw nut with it passes through to connect the shell rotatory slide connects, need not set up the back lid in the bottom, thereby has increased cable joint's seal and security.
The technical scheme of the invention is further improved as follows: the outer surface of the internal rotation nut is fixedly connected with a latch, and one side of the latch is in lap joint with one side of the elastic block.
By adopting the technical scheme, the latch in the scheme drives the bolt to move by the thrust provided by the elastic block.
The technical scheme of the invention is further improved as follows: the upper end of the fire extinguishing agent storage bottle is fixedly connected with a control valve, and one side of the lower end of the control valve is fixedly connected with a pressure gauge.
By adopting the technical scheme, the fire extinguishing agent storage bottle in the scheme stores heptafluoropropane, the heptafluoropropane has a fire extinguishing mechanism which can not damage property and precision facilities, and the fire extinguishing speed is extremely high.
The technical scheme of the invention is further improved as follows: the lower end of the pressure gauge is fixedly connected with an electromagnetic driver, and one side of the electromagnetic driver is fixedly connected with a transmission pipe.
By adopting the technical scheme, the electromagnetic driver in the scheme determines whether to open the control valve according to the received signal, and the transmission pipe controls heptafluoropropane to be transmitted to a fixed position after being opened, so that fire is conveniently extinguished from multiple directions.
The technical scheme of the invention is further improved as follows: the outer surface of the middle section of the transmission pipe is fixedly connected with a signal detection device, and the tail end of the transmission pipe is fixedly connected with a nozzle.
By adopting the technical scheme, the signal detection device in the scheme is used for detecting whether a fire phenomenon occurs, collecting information and determining whether the fire extinguishing device is opened.
The technical scheme of the invention is further improved as follows: the rotary slide ways are positioned on two sides of the outward-turning nut, the number of the nozzles is two, and the nozzles are respectively positioned on the middle section and the tail end of the conveying pipe.
By adopting the technical scheme, the method comprises the following steps: the rotary slide ways are positioned on two sides of the outward-screwed nut so as to ensure the sealing property inside the cable connector, and the positions of the nozzles are respectively positioned on the middle section and the tail end of the transmission pipe so as to better perform multi-aspect fire extinguishing treatment on a fire source.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a protection device for an inflatable cabinet, which is provided with an outward-screwed nut and solves the problem that the internal stress generated by twisting a three-core cable after installation can be gradually released, corresponding restoring force is generated and acts on a sleeve to bring great pressure to the sleeve, so that the sleeve is easy to break to cause the occurrence of a high-voltage short circuit phenomenon.
2. The invention provides a protection device for an inflatable cabinet, which aims to solve the problem that the sealing performance of a mounting hole formed in the back of a cable joint cannot be guaranteed and the risk of falling off exists, achieves the effects of avoiding falling off and improving the sealing performance and guarantees the electrical safety of the joint of the cable joint.
3. The invention provides a protection device for an inflatable cabinet, which solves the problem that very large property loss is easily caused after a short circuit and fire happen in a cable chamber in the conventional equipment.
Drawings
FIG. 1 is a schematic structural view of the main body of the inflatable cabinet of the present invention;
FIG. 2 is a schematic view of the rear structure of the main body of the inflatable cabinet of the present invention;
FIG. 3 is a detailed schematic view of the cable connector of the present invention;
FIG. 4 is a schematic view of the construction of the external screw nut of the present invention;
fig. 5 is a schematic view showing the construction of the fire extinguishing apparatus of the present invention.
In the figure: 1. an inflatable cabinet main body; 2. a cable chamber; 3. a fire extinguishing device; 31. a fire suppressant storage bottle; 32. an electromagnetic drive; 33. a pressure gauge; 34. a conveying pipe; 35. a signal detection device; 36. a nozzle; 37. a control valve; 4. a cable joint; 41. externally screwing a nut; 42. rotating the slideway; 43. a spring block; 44. a return spring; 45. a limiting groove; 5. a cable protective layer; 6. internally screwing a nut; 7. connecting the shell; 8. a cable wire; 9. a bolt; 10. and (4) clamping teeth.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the present invention provides a protection device for an inflatable cabinet, comprising an inflatable cabinet main body 1, a cable chamber 2 and a fire extinguishing apparatus 3, wherein the cable chamber 2 is arranged at the bottom side of the inflatable cabinet main body 1, the cable joint 4 is arranged at the back side of the inflatable cabinet main body 1, the cable joint 4 is a main part for high voltage short circuit, the fire extinguishing apparatus 3 is arranged inside the cable chamber 2, the fire extinguishing apparatus 3 is arranged to prevent the equipment loss and the use safety influence caused by fire in the cable chamber 2, the cable joint 4 is internally provided with a bolt 9, the bolt 9 is arranged as a central hub for connecting the inflatable cabinet main body 1 and a cable 8, the middle part of the bolt 9 is fixedly connected with an internal screw nut 6, the internal screw nut 6 is arranged to drive the bolt 9 to rotate, the outer surface of the internal screw nut 6 is provided with an external screw nut 41, the external screw nut 41 is arranged to drive the internal screw nut 6 to operate by external applied pressure, the external screw nut 41 is internally provided with a limiting groove 45, the limiting groove 45 is arranged to provide a moving space for the elastic block 43, the top end of the limiting groove 45 is fixedly connected with a return spring 44, the bottom end of the return spring 44 is fixedly connected with the elastic block 43, the return spring 44 is arranged to apply a reaction force for resetting the elastic block 43 after the elastic block 43 is subjected to extrusion, the tail end of the elastic block 43 is movably connected with the external screw nut 41 so that the tail end of the elastic block 43 is taken as an axis when the front end of the elastic block 43 moves, one side of the external screw nut 41 is fixedly connected with a rotary slideway 42, the rotary slideway 42 is positioned at two sides of the external screw nut 41, the outer surface of the rotary slideway 42 is movably connected with the shell 7, the rotary slideway 42 is arranged so that when the external screw nut 41 rotates, guarantee and be connected good seal between the shell 7, do not influence rotatoryly moreover, one side fixedly connected with cable conductor 8 of bolt 9, the top of cable conductor 8 is strip connection conductor block, the bottom of cable conductor 8 is the wire, the outer fixed surface of cable conductor 8 is connected with cable protective layer 5, the setting of cable protective layer 5 is for protecting cable conductor 8, extinguishing device 3's inside is provided with fire extinguishing agent storage bottle 31, fire extinguishing agent storage bottle 31's effect is the spray of putting out a fire that provides.
In this embodiment, the external screw nut 41 drives the bolt 9 to rotate through the rotation that drives the internal screw nut 6, the bottom of the connecting shell 7 is a full-sealing structure, the rotating slideway 42 ensures the good tightness between the external screw nut 41 and the connecting shell 7 in the rotation, in the installation, the contact between the internal elements and the outside is avoided, the installation hole is avoided being opened at the back of the cable joint 4 by the mode of the setting, the tightness inside the cable joint 4 is ensured, the falling problem of the installation cover can be prevented, the problem that the casing is damaged due to the extremely large pressure generated by the internal stress generated by the twisting of the three-core cable after the installation is finally solved, the elastic block 43 pushes the latch 10 under the effect of the external screw nut 41 to drive the internal screw nut 6, so that the position of the external screw nut 41 in the horizontal direction after the rotation is not changed.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer surface of the internal rotation nut 6 is fixedly connected with the latch 10, the latch 10 is arranged to drive the internal rotation nut 6, one side of the latch 10 is lapped with one side of the elastic block 43, and the elastic block 43 is compressed by the reset spring 44 under the action of the latch 10 after reversely rotating, and rotates in the limiting groove 45.
In this embodiment, when the outward-turning nut 41 rotates forward, the elastic block 43 pushes the latch 10 to drive the inward-turning nut 6, after rotating a certain angle, the outward-turning nut 41 rotates in the reverse direction, the elastic block 43 is pushed by the latch 10 to compress the return spring 44, and then returns, and after the return, the outward-turning nut 41 conveniently rotates next time.
Example 3
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a control valve 37 is fixedly connected to the upper end of the fire extinguishing agent storage bottle 31, the control valve 37 is provided with a master control switch, a pressure gauge 33 is fixedly connected to one side of the lower end of the control valve 37, the pressure gauge 33 is provided to visually reflect the pressure inside the fire extinguishing agent storage bottle 31, an electromagnetic driver 32 is fixedly connected to the lower end of the pressure gauge 33, the electromagnetic driver 32 is provided to control the opening of the fire extinguishing agent storage bottle 31 through an electrical signal, a transmission pipe 34 is fixedly connected to one side of the electromagnetic driver 32, the transmission pipe 34 is provided to control the flow direction of the heptafluoropropane, a signal detection device 35 is fixedly connected to the outer surface of the middle section of the transmission pipe 34, the signal detection device 35 is provided to detect and receive information to determine whether to open the fire extinguishing agent storage bottle 31, nozzles 36 are fixedly connected to the tail end of the transmission pipe 34, the number of the nozzles 36 is two, the nozzles 36 are respectively located at the middle section and the tail end of the transmission pipe 34, the nozzles 36 are provided to position the injection direction of the heptafluoropropane, and determine the position of an element to be protected.
In the embodiment, the heptafluoropropane arranged in the fire extinguishing agent storage bottle 31 has the advantages of quick fire extinguishing protection equipment elements, the signal detection device 35 receives smoke and open fire information and controls the electromagnetic driver 32 to be started, the fire extinguishing agent storage bottle 31 starts to extinguish fire, the number of the arranged nozzles 36 is two, one nozzle 36 is arranged in the middle of the conveying pipe 34, which is actually the top of the inner wall of the cable chamber 2, and the other nozzle 36 is arranged at the tail end of the conveying pipe 34 and is the side surface of the interior of the cable chamber 2.
The working principle of the protection device for an inflatable cabinet is described in detail below.
As shown in fig. 1-5, when the cable connector 4 is installed, after the interface is aligned, the outward-turning nut 41 is rotated, at this time, the elastic block 43 pushes the latch 10 to drive the inward-turning nut 6 to start rotating, so that the internal bolt 9 moves forward, when the outward-turning nut 41 rotates for a certain number of turns, the elastic block 43 compresses the return spring 44 under the action of the latch 10, after the rotation, the elastic block 43 returns under the reaction of the return spring 44, the rotating slideway 42 is slidably connected with the connecting shell 7, the structure is not separated, the bottom end of the connecting shell 7 is in a fully-closed state, the cable protective layer 5 wraps the cable 8, when a fire occurs in the cable chamber 2, the signal detection device 35 detects the information, the electromagnetic driver 32 is controlled to be opened, heptafluoropropane stored in the fire extinguishing agent storage bottle 31 starts to flow to the nozzle 36 through the transmission pipe 34, and the fire source is extinguished.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.
Claims (5)
1. A protector for aerify cabinet, includes aerify cabinet main part (1), cable chamber (2) and extinguishing device (3), its characterized in that: a cable chamber (2) is arranged on the bottom side of the inflatable cabinet main body (1), a cable joint (4) is arranged on the back side of the inflatable cabinet main body (1), a fire extinguishing device (3) is arranged inside the cable chamber (2), a bolt (9) is arranged inside the cable joint (4), an internal screw nut (6) is fixedly connected to the middle of the bolt (9), and an external screw nut (41) is arranged on the outer surface of the internal screw nut (6);
the utility model discloses a fire extinguishing device, including outer screwed nut (41), the outer fixed connection of one side of rotatory nut (41) has rotatory slide (42), the surface swing joint of rotatory slide (42) has connection shell (7), one side fixedly connected with cable conductor (8) of bolt (9), the outer fixed connection of surface of cable conductor (8) has cable protective layer (5), the inside of extinguishing device (3) is provided with fire extinguishing agent storage bottle (31), spacing groove (45) have been seted up to the inside of outer screwed nut (41), spacing groove (45) top fixedly connected with reset spring (44), the bottom fixedly connected with bullet piece (43) of reset spring (44), the tail end swing joint of bullet piece (43) outer screwed nut (41), the outer fixed connection of internal screw nut (6) has latch (10), one side of latch (10) with one side overlap joint of bullet piece (43).
2. A protective device for an inflatable cabinet according to claim 1, wherein: the upper end of the fire extinguishing agent storage bottle (31) is fixedly connected with a control valve (37), and one side of the lower end of the control valve (37) is fixedly connected with a pressure gauge (33).
3. A protective device for an inflatable cabinet according to claim 2, wherein: the lower end of the pressure gauge (33) is fixedly connected with an electromagnetic driver (32), and one side of the electromagnetic driver (32) is fixedly connected with a transmission pipe (34).
4. A protective device for an inflatable cabinet according to claim 3, wherein: the outer surface of the middle section of the conveying pipe (34) is fixedly connected with a signal detection device (35), and the tail end of the conveying pipe (34) is fixedly connected with a nozzle (36).
5. A guard for an inflatable cabinet as claimed in claim 4, wherein: the rotary slide ways (42) are positioned on two sides of the external screw nut (41), the number of the nozzles (36) is two, and the nozzles (36) are respectively positioned on the middle section and the tail end of the conveying pipe (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110493285.7A CN113193504B (en) | 2021-05-07 | 2021-05-07 | Protective device for inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110493285.7A CN113193504B (en) | 2021-05-07 | 2021-05-07 | Protective device for inflating cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113193504A CN113193504A (en) | 2021-07-30 |
| CN113193504B true CN113193504B (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110493285.7A Expired - Fee Related CN113193504B (en) | 2021-05-07 | 2021-05-07 | Protective device for inflating cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113193504B (en) |
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| CN207588261U (en) * | 2017-12-27 | 2018-07-06 | 广西金德泰电气有限公司 | A kind of gas-insulated enclosed switchgear |
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| CN2185939Y (en) * | 1993-10-06 | 1994-12-21 | 潘云庭 | Protective shell multicore soft wire joint |
| EP2353211B1 (en) * | 2008-11-03 | 2016-04-20 | PN Development APS | Cable joint protector |
| CN201407256Y (en) * | 2009-04-29 | 2010-02-17 | 英华达(上海)电子有限公司 | Fastening component and electronic product |
| US9437965B2 (en) * | 2014-04-17 | 2016-09-06 | Tyco Electronics Corporation | Connector having coupling mechanism |
| CN207921072U (en) * | 2018-03-20 | 2018-09-28 | 深圳臻迪信息技术有限公司 | Nut and fastening assembly |
| CN208094065U (en) * | 2018-04-20 | 2018-11-13 | 河南森源电气股份有限公司 | Gas-filling cabinet and its cabinet |
| CN210167788U (en) * | 2019-07-29 | 2020-03-20 | 江西省南开电气成套有限公司 | High-voltage cable branch box |
| CN110445048A (en) * | 2019-08-14 | 2019-11-12 | 河南天力电气设备有限公司 | A kind of prefabricated compact intelligent box-type substation |
-
2021
- 2021-05-07 CN CN202110493285.7A patent/CN113193504B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233239A (en) * | 2017-12-21 | 2018-06-29 | 方晓妹 | A kind of high pressure equipment for power transmission and distribution pressure relief system |
| CN207588261U (en) * | 2017-12-27 | 2018-07-06 | 广西金德泰电气有限公司 | A kind of gas-insulated enclosed switchgear |
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| Publication number | Publication date |
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| CN113193504A (en) | 2021-07-30 |
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