CN115021196A - Be applied to fire-proof device that explodes of cable junction - Google Patents
Be applied to fire-proof device that explodes of cable junction Download PDFInfo
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- CN115021196A CN115021196A CN202210630818.6A CN202210630818A CN115021196A CN 115021196 A CN115021196 A CN 115021196A CN 202210630818 A CN202210630818 A CN 202210630818A CN 115021196 A CN115021196 A CN 115021196A
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- housing
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- side wall
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a fire and explosion prevention device applied to a cable joint, belongs to the technical field of cable safety, and solves the technical problem that a cable joint cannot be automatically cooled when the temperature is too high. It is including first housing and the second housing that is indent structure, first housing with the detachable connection of second housing, all offer the first bayonet socket that is used for the joint on the cable joint outer wall on the left and right lateral wall of first housing, the inside of first bayonet socket is fixed and is equipped with first clamp, be connected through automatic fastening device between the inner wall of first clamp and first bayonet socket. Seted up on the left and right lateral wall of second housing with the corresponding second bayonet socket of first bayonet socket, the inside of second bayonet socket be equipped with the corresponding second clamp of first clamp, pass through between second clamp and the second bayonet socket automatic fastening device connects. And a plurality of through holes for draining water are formed in the front side wall, the rear side wall, the left side wall and the right side wall of the first housing and the second housing.
Description
Technical Field
The invention belongs to the technical field of cable safety, and particularly relates to a fire and explosion prevention device applied to a cable joint.
Background
The cable is composed of single-strand or multi-strand wires and insulating layers and is used for connecting circuits, electric appliances and the like, and in a power supply system, a remote power transmission line needs to be connected and extended by means of a plurality of cable connectors. With the needs of social development and urban construction, the number of buried projects for the transmission line to enter the ground is increased day by day, and the operation fault of the transmission line is the first fault of a cable joint. In the operation process of the cable joint, due to long-term high-load operation, aging short circuit and other reasons, sometimes the cable joint can be ignited, is ignited, and can explode seriously, once the cable joint explodes, the explosion shock wave and fragments thereof can seriously threaten the safety of adjacent cables, even can cause the damage of the whole underground cable and a cable channel, cause secondary faults, and cause greater loss. Therefore, the power transmission line, especially the concealed power transmission line, needs to take the anti-fire and anti-explosion measures for the cable joint, and the existing anti-fire and anti-explosion device for the cable joint of the cable intermediate joint cannot detect the temperature of the cable joint and perform cooling treatment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a fire and explosion prevention device applied to a cable joint, and solves the technical problem that the temperature of a cable joint cannot be automatically reduced when the temperature is too high.
The purpose of the invention is realized as follows: a fire and explosion prevention device applied to a cable joint comprises a first housing and a second housing which are of concave structures, wherein the first housing is detachably connected with the second housing, first bayonets used for being clamped on the outer wall of a cable joint are respectively formed in the left side wall and the right side wall of the first housing, a first clamp is fixedly arranged in the first bayonets, and the first clamp is connected with the inner wall of the first bayonets through an automatic fastening device; a second bayonet corresponding to the first bayonet is formed in the left side wall and the right side wall of the second housing, a second clamp corresponding to the first clamp is arranged in the second bayonet, and the second clamp is connected with the second bayonet through the automatic fastening device; the front, rear, left and right side walls of the first housing and the second housing are respectively provided with a plurality of through holes for draining water; the front side wall and the rear side wall of the first housing are both fixedly provided with first connecting lugs, the front side wall and the rear side wall of the second housing are both fixedly provided with second connecting lugs corresponding to the first connecting lugs, and the first connecting lugs and the second connecting lugs are detachably connected by bolts; a first explosion-proof transverse plate is arranged inside the first housing, the back of the first explosion-proof transverse plate is fixedly connected with a first magnet block, the back of the first magnet block is fixedly connected with a plurality of damping springs, and the other ends of the damping springs are fixedly connected to the inner wall of the first housing; a second explosion-proof transverse plate is arranged inside the second housing, the back surface of the second explosion-proof transverse plate is fixedly connected with a second magnet block, the magnetic poles of opposite surfaces of the second magnet block and the first magnet block are different, a plurality of damping springs are arranged on the back surface of the second magnet block, and two ends of each damping spring are fixedly connected with the second magnet block and the inner wall of the second housing respectively; the upper end of the first housing is fixedly provided with a water storage tank, the outer side wall of the first housing is fixedly provided with an electric control device, and the inside of the first housing is provided with a water circulation system for cooling the cable joint.
Further, a box cover is detachably arranged at the upper end of the water storage tank, and the box cover is in threaded connection with the water storage tank; the water storage tank is internally provided with cold water, the bottom surface of the inside of the water storage tank is fixedly provided with a first water pump, and a water outlet of the first water pump is connected with a first water delivery pipe.
Further, the water circulation system comprises a cooling box which is fixedly connected with the front face of the first anti-explosion transverse plate and has a cavity structure, and the first water delivery pipe is communicated with the cooling box; a soft layer made of polypropylene material is arranged in the cooling box, the soft layer is laid at the bottom of the cooling box, and the peripheral side wall of the soft layer is fixedly connected with the inner wall of the cooling box; the bottom surface of the cooling box is provided with a plurality of cooling channels for enabling the soft layer to protrude to the outside of the cooling box when the soft layer is flushed with cold water; the cooling box is characterized in that a second water pump is fixedly arranged inside the cooling box, a second water delivery pipe is connected to a water outlet of the second water pump, the other end of the second water delivery pipe extends into the water storage box, and the second water delivery pipe is communicated with the water storage box.
Further, the electric control device comprises a non-contact temperature sensor fixedly arranged on the inner wall of the first housing and used for measuring the temperature inside the first housing, and the non-contact temperature sensor is electrically connected with the electric control device; the electric control device is electrically connected with the first water pump, and the electric control device is electrically connected with the second water pump; the electric control device comprises a processor, an alarm device and a power module, wherein the processor, the alarm device and the power module are all arranged in the electric control device.
Further, the alarm device is a buzzer.
Further, automatic fastener includes fixed connection on the bayonet socket inner wall and towards the first spring that the clamp extends, and automatic fastener still includes the connecting rod of fixed connection on the clamp outer wall, the connecting rod with the corresponding setting of first spring, fixedly connected with check baffle on the week lateral wall of connecting rod, the one end that the connecting rod is close to first spring extends to the inside of first spring, the one end that first spring is close to the connecting rod with check baffle fixed connection.
Further, automatic fastener still establishes the outside exhibition formula dustcoat at first spring and connecting rod including the cover, the upper end and the bayonet socket fixed connection of exhibition formula dustcoat, the lower extreme and the clamp fixed connection of exhibition formula dustcoat.
Furthermore, all be equipped with the screw hole on first engaging lug with the second engaging lug, insert to the screw hole through the bolt and make first housing with the detachable connection of second housing.
Furthermore, the automatic fastening devices arranged between the first bayonet and the first hoop are multiple, and the automatic fastening devices arranged between the second bayonet and the second hoop are multiple.
Further, the second water pump passes through the pedestal mounting and is in the upper surface of soft layer, the base include with soft layer adoption screw thread mode fixed connection's bottom plate, the last fixed surface of bottom plate is connected with the bracing piece, the upper end of bracing piece and the outer wall fixed connection of second water pump.
The invention has the beneficial effects that:
1. through the arrangement of the first housing, the second housing, the water storage tank, the electric control device and the water circulation system, during use, the first housing and the second housing are clamped on the outer wall of the cable connector through the first bayonet and the second bayonet in a corresponding mode. When the temperature of the cable joint is too high, the electric control device controls cold water in the water storage tank to flow into the water circulation system, and the cold water flows between the water storage tank and the water circulation system in a circulating mode, so that the cable joint is cooled. Avoid cable joint to damage, protection cable joint improves cable joint's life, effectively prevents to strike sparks because of the high temperature leads to cable joint department to take place, prevents that cable joint from exploding.
2. Through the arrangement of the first clamp, the second clamp, the automatic fastening device, the through hole, the first connecting lug, the second connecting lug, the first explosion-proof transverse plate, the first magnet block, the second explosion-proof transverse plate, the second magnet block and the damping spring, the opposite surfaces of the first magnet block and the second magnet block are arranged in different magnetic directions, so that the first magnet block and the second magnet block generate mutual attraction force; the safety that the impact force of explosion and piece threatened adjacent cable can be avoided, the impact force of explosion is effectively weakened, secondary loss is avoided, and the safety of adjacent cable is protected. Utilize the bolt to be in the same place first housing and second housing fixed connection through first engaging lug and second engaging lug, if cable joint explodes, the impact force of explosion outwards-spread's in-process, at first the impact force can strike water circulating system, there is one to weaken impact force when water circulating system is impaired, then impact force reaches explosion-proof diaphragm, explosion-proof diaphragm blocks impact force, utilize a plurality of damping spring's effect to make the impact force weaken greatly simultaneously, in addition, because the magnetic force that the magnet piece produced is opposite with the direction of impact force, the impact force makes the magnet piece outwards remove, magnetic force makes the magnet piece inwards-moving, under the interact of two power, weaken impact force once more. The through hole is used for outwards flowing out the damaged cold water in the water circulation system, so that the phenomenon that the cold water cannot be released and permeates into the cable joint to cause cable short circuit is avoided.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of the automatic fastening device of the present invention;
FIG. 4 is a schematic view of the internal structure of the first housing of the present invention;
FIG. 5 is a schematic view of the internal structure of the water storage tank of the present invention;
FIG. 6 is a schematic view of the bottom structure inside the cooling box of the present invention;
FIG. 7 is a schematic view of a second water pump according to the present invention;
FIG. 8 is a schematic structural view of the soft layer protruding state and the cooling channel of the present invention.
In the figure: 1. the device comprises a first housing 2, a second housing 3, a first bayonet 4, a first clamp 5, an automatic fastening device 6, a second bayonet 7, a second clamp 8, a through hole 9, a first connecting lug 10, a second connecting lug 11, a first anti-explosion transverse plate 12, a first magnet block 13, a damping spring 14, a water storage tank 15, an electric control device 16, a cooling tank 17, a tank cover 18, cold water 19, a first water pump 20, a first water delivery pipe 21, a soft layer 22, a cooling channel 23, a second water pump 24, a second water delivery pipe 25, a non-contact temperature sensor 26, a first spring 27, a connecting rod 28, a grid baffle 29, a folding and unfolding type outer cover 30, a bottom plate 31 and a supporting rod.
Detailed Description
The present invention is further described with reference to the drawings, it should be noted that all the directional terms appearing in the present invention, such as up, down, front, back, left and right, are directional terms made with reference to fig. 1, and all the directional terms are not intended to limit the present invention, but are only intended to more clearly describe and explain the present invention.
Example 1
As shown in fig. 1-8, this embodiment discloses a device is exploded in fire prevention that is applied to cable junction, and it includes first housing 1 and second housing 2 that are the indent structure, and first housing 1 is connected with second housing 2 is detachable, all offers the first bayonet socket 3 that is used for the joint on the cable joint outer wall on the left and right lateral wall of first housing 1, and the inside of first bayonet socket 3 is fixed and is equipped with first clamp 4, is connected through automatic fastening device 5 between the inner wall of first clamp 4 and first bayonet socket 3. A second bayonet 6 corresponding to the first bayonet 3 is formed in the left side wall and the right side wall of the second housing 2, a second clamp 7 corresponding to the first clamp 4 is arranged inside the second bayonet 6, and the second clamp 7 is connected with the second bayonet 6 through an automatic fastening device 5. A plurality of through holes 8 for draining water are arranged on the front, back, left and right side walls of the first housing 1 and the second housing 2. All fixed being equipped with first engaging lug 9 on the preceding, the back lateral wall of first housing 1, all fixed being equipped with on the preceding, the back lateral wall of second housing 2 with first engaging lug 9 corresponding second engaging lug 10, first engaging lug 9 adopts the detachable connection of bolt with second engaging lug 10. The first explosion-proof transverse plate 11 is arranged inside the first housing 1, the back of the first explosion-proof transverse plate 11 is fixedly connected with a first magnet block 12, the back of the first magnet block 12 is fixedly connected with a plurality of damping springs 13, and the other ends of the damping springs 13 are fixedly connected to the inner wall of the first housing 1. The inside of second housing 2 is equipped with the explosion-proof diaphragm of second, and the back fixed connection second magnet piece of the explosion-proof diaphragm of second, and the opposite face magnetic pole of second magnet piece and first magnet piece 12 is different, and the back of second magnet piece is equipped with a plurality of damping spring 13, and damping spring 13's both ends respectively with the inner wall fixed connection of second magnet piece, second housing 2. The upper end of the first housing 1 is fixedly provided with a water storage tank 14, the outer side wall of the first housing 1 is fixedly provided with an electric control device 15, and the inside of the first housing 1 is provided with a water circulation system for cooling the cable joint.
This embodiment is through first housing 1, second housing 2, storage water tank 14, electrically controlled device 15 and water circulating system's setting, during the use, with first housing 1 and second housing 2 through first bayonet socket 3 and the corresponding joint of second bayonet socket 6 on cable joint's outer wall. When the temperature of the cable joint is too high, the electric control device 15 controls the cold water 18 in the water storage tank 14 to flow into the water circulation system, and the cold water 18 circularly flows between the water storage tank 14 and the water circulation system, so that the cable joint is cooled. Avoid cable joint to damage, protection cable joint improves cable joint's life, effectively prevents to strike sparks because of the high temperature leads to cable joint department to take place, prevents that cable joint from exploding. Through the arrangement of the first clamp 4, the second clamp 7, the automatic fastening device 5, the through hole 8, the first connecting lug 9, the second connecting lug 10, the first anti-explosion transverse plate 11, the first magnet block 12, the second anti-explosion transverse plate, the second magnet block and the damping spring 13, the magnetism of the opposite surfaces of the first magnet block 12 and the second magnet block is set differently, so that the mutual attraction force is generated between the first magnet block 12 and the second magnet block. The safety that the impact force of explosion and piece threatened adjacent cable can be avoided, the impact force of explosion is effectively weakened, secondary loss is avoided, and the safety of adjacent cable is protected. Utilize the bolt to pass through first engaging lug 9 and second engaging lug 10 with first housing 1 and second housing 2 fixed connection together, if the cable joint takes place the explosion, the in-process of the impact force outdiffusion of explosion, at first the impact force can strike water circulating system, water circulating system is impaired simultaneously has one to weaken to the impact force, then the impact force reaches explosion-proof diaphragm, explosion-proof diaphragm blocks the impact force, utilize the effect of a plurality of damping springs 13 to make the impact force weaken greatly simultaneously, in addition, because the magnetic force that the magnet piece produced is opposite with the direction of impact force, the impact force makes the magnet piece outwards remove, magnetic force makes the magnet piece inwards remove, under the interact of two power, weaken the impact force again. The through hole 8 is used for discharging the cold water 18 in the damaged water circulation system outwards, so that the situation that the cold water 18 cannot be released and seeps into the cable joint to cause a cable short circuit is avoided.
Example 2
As shown in fig. 1-8, this embodiment discloses a device is exploded in fire prevention that is applied to cable junction, and it includes first housing 1 and second housing 2 that are the indent structure, and first housing 1 is connected with second housing 2 is detachable, all offers the first bayonet socket 3 that is used for the joint on the cable joint outer wall on the left and right lateral wall of first housing 1, and the inside of first bayonet socket 3 is fixed and is equipped with first clamp 4, is connected through automatic fastening device 5 between the inner wall of first clamp 4 and first bayonet socket 3. A second bayonet 6 corresponding to the first bayonet 3 is formed in the left side wall and the right side wall of the second housing 2, a second clamp 7 corresponding to the first clamp 4 is arranged inside the second bayonet 6, and the second clamp 7 is connected with the second bayonet 6 through an automatic fastening device 5. A plurality of through holes 8 for draining water are arranged on the front, back, left and right side walls of the first housing 1 and the second housing 2. All fixed being equipped with first engaging lug 9 on the preceding, the back lateral wall of first housing 1, all fixed being equipped with on the preceding, the back lateral wall of second housing 2 with first engaging lug 9 corresponding second engaging lug 10, first engaging lug 9 adopts the detachable connection of bolt with second engaging lug 10. The first explosion-proof transverse plate 11 is arranged inside the first housing 1, the back of the first explosion-proof transverse plate 11 is fixedly connected with a first magnet block 12, the back of the first magnet block 12 is fixedly connected with a plurality of damping springs 13, and the other ends of the damping springs 13 are fixedly connected to the inner wall of the first housing 1. The inside of second housing 2 is equipped with the explosion-proof diaphragm of second, and the back fixed connection second magnet piece of the explosion-proof diaphragm of second, and the opposite face magnetic pole of second magnet piece and first magnet piece 12 is different, and the back of second magnet piece is equipped with a plurality of damping spring 13, and damping spring 13's both ends respectively with the inner wall fixed connection of second magnet piece, second housing 2. The upper end of the first cover 1 is fixedly provided with a water storage tank 14, the upper end of the water storage tank 14 is detachably provided with a tank cover 17, and the tank cover 17 is in threaded connection with the water storage tank 14. An electric control device 15 is fixedly arranged on the outer side wall of the first housing 1, and a water circulation system for cooling the cable connector is arranged in the first housing 1.
For better effect, the inside of the water storage tank 14 is provided with cold water 18, the bottom surface of the inside of the water storage tank 14 is fixedly provided with a first water pump 19, and the water outlet of the first water pump 19 is connected with a first water delivery pipe 20. The water circulation system comprises a cooling box 16 fixedly connected to the front face of the first anti-explosion transverse plate 11 and having a cavity structure, and a first water conveying pipe 20 is communicated with the cooling box 16. The inside of cooling case 16 is equipped with the soft layer 21 of polypropylene material, and the polypropylene material has high temperature resistance advantage, and soft layer 21 is laid in the bottom of cooling case 16, the periphery lateral wall and the cooling case 16 inner wall fixed connection of soft layer 21. The bottom surface of the cooling box 16 is provided with a plurality of cooling channels 22 for enabling the soft layer 21 to protrude to the outside of the cooling box 16 when the soft layer 21 is flushed with cold water 18. A second water pump 23 is fixedly arranged inside the cooling box 16, a second water pipe 24 is connected to a water outlet of the second water pump 23, the other end of the second water pipe 24 extends into the water storage tank 14, and the second water pipe 24 is communicated with the water storage tank 14. The first water pump 19 is used for pumping the cold water 18 in the water storage tank 14 into the interior of the cooling tank 16, and the second water pump 23 is used for pumping the cold water 18 in the cooling tank 16 into the interior of the water storage tank 14, so that a water circulation is formed, and the cable joint is cooled in the process of flowing of the water circulation. Because hydraulic effect, rivers can strike soft layer 21 at the in-process that the hydrologic cycle flows, because seted up cooling channel 22 on the bottom surface of cooling case 16, rivers can make soft layer 21 follow cooling channel 22 and bulge to cooling case 16's outside from cooling case 16's inside, can more press close to cable joint after the protrusion of soft layer 21, improve cable joint's cooling rate, cooling rate is faster.
For better effect, the electric control device 15 comprises a non-contact temperature sensor 25 fixedly arranged on the inner wall of the first cover case 1 and used for measuring the internal temperature of the first cover case 1, the non-contact temperature sensor 25 adopts an MIK-AL-10 infrared thermometer, and the non-contact temperature sensor 25 is electrically connected with the electric control device 15. The electric control device 15 is electrically connected with the first water pump 19, and the electric control device 15 is electrically connected with the second water pump 23. The electric control device 15 comprises a processor, an alarm device and a power supply module, wherein the processor, the alarm device and the power supply module are all arranged in the electric control device 15, and the alarm device adopts a LAY33S-FM buzzer. The non-contact temperature sensor 25 is used for monitoring the surface temperature of the cable joint in real time, the power supply module is used for supplying power to the processor, the non-contact temperature sensor 25 and the alarm device, the processor is used for receiving the temperature signal of the non-contact temperature sensor 25, processing and analyzing the signal, and meanwhile the processor sends an alarm instruction to the alarm device after receiving the signal, so that the alarm device starts ringing. When the temperature of the surface of the cable joint is higher than the preset temperature of the electric control device, the temperature sensor transmits a high-temperature signal to the processor, the processor sends an instruction to enable the first water pump to start working, and after a moment, the processor sends an instruction again to enable the second water pump to start working.
For better effect, automatic fastening device 5 includes fixed connection on the bayonet socket inner wall and towards the first spring 26 that the clamp extends, and automatic fastening device 5 still includes connecting rod 27 of fixed connection on the clamp outer wall, and connecting rod 27 and first spring 26 correspond the setting, fixedly connected with check baffle 28 on the week lateral wall of connecting rod 27, and the one end that connecting rod 27 is close to first spring 26 extends to the inside of first spring 26, and the one end and the check baffle 28 fixed connection that first spring 26 is close to connecting rod 27. When with first housing 1 and 2 joints of second housing on cable joint, the clamp makes first spring 26 compress, treats through the bolt with first housing 1 and 2 fixed connection of second housing after, first spring 26 is in by compression state, makes the clamp have an effect of an effort to cable joint all the time, carries out the automatic fastening chucking to cable joint.
For better effect, the automatic fastening device 5 further comprises a foldable outer cover 29 covering the first spring 26 and the connecting rod 27, wherein the upper end of the foldable outer cover 29 is fixedly connected with the bayonet, and the lower end of the foldable outer cover 29 is fixedly connected with the clamp. The first spring 26 and the connecting rod 27 can be protected by the foldable outer cover 29, so that dust or sundries are prevented from falling onto the first spring 26 or the connecting rod 27, and the foldable outer cover 29 plays a role in protection.
For better effect, all be equipped with the screw hole on first engaging lug 9 and the second engaging lug 10, insert to the screw hole through the bolt and make first housing 1 and second housing 2 detachable be connected.
For better effect, a plurality of automatic fastening devices 5 are arranged between the first bayonet 3 and the first clamping hoop 4, and a plurality of automatic fastening devices 5 are arranged between the second bayonet 6 and the second clamping hoop 7. Second water pump 23 passes through the pedestal mounting at the upper surface of soft layer 21, and the base includes the bottom plate 30 that adopts screw thread mode fixed connection with soft layer 21, and the last fixed surface of bottom plate 30 is connected with bracing piece 31, the upper end of bracing piece 31 and the outer wall fixed connection of second water pump 23.
This embodiment is through first housing 1, second housing 2, storage water tank 14, electrically controlled device 15 and water circulating system's setting, during the use, with first housing 1 and second housing 2 through first bayonet socket 3 and the corresponding joint of second bayonet socket 6 on cable joint's outer wall. When the temperature of the cable joint is too high, the electric control device 15 controls the cold water 18 in the water storage tank 14 to flow into the water circulation system, and the cold water 18 circularly flows between the water storage tank 14 and the water circulation system, so that the cable joint is cooled. Avoid cable joint to damage, protection cable joint improves cable joint's life, effectively prevents to strike sparks because of the high temperature leads to cable joint department to take place, prevents that cable joint from exploding. Through the arrangement of the first clamp 4, the second clamp 7, the automatic fastening device 5, the through hole 8, the first connecting lug 9, the second connecting lug 10, the first anti-explosion transverse plate 11, the first magnet block 12, the second anti-explosion transverse plate, the second magnet block and the damping spring 13, the magnetism of the opposite surfaces of the first magnet block 12 and the second magnet block is set differently, so that the mutual attraction force is generated between the first magnet block 12 and the second magnet block. The safety that the impact force of explosion and piece threatened adjacent cable can be avoided, the impact force of explosion is effectively weakened, secondary loss is avoided, and the safety of adjacent cable is protected. Utilize the bolt to pass through first engaging lug 9 and second engaging lug 10 with first housing 1 and second housing 2 fixed connection together, if the cable joint takes place the explosion, the in-process of the impact force outdiffusion of explosion, at first the impact force can strike water circulating system, water circulating system is impaired simultaneously has one to weaken to the impact force, then the impact force reaches explosion-proof diaphragm, explosion-proof diaphragm blocks the impact force, utilize the effect of a plurality of damping springs 13 to make the impact force weaken greatly simultaneously, in addition, because the magnetic force that the magnet piece produced is opposite with the direction of impact force, the impact force makes the magnet piece outwards remove, magnetic force makes the magnet piece inwards remove, under the interact of two power, weaken the impact force again. The through hole 8 is used for discharging the cold water 18 in the damaged water circulation system outwards, so that the situation that the cold water 18 cannot be released and seeps into the cable joint to cause a cable short circuit is avoided.
Claims (10)
1. The utility model provides a be applied to fire prevention of cable junction and explode device, is including first housing (1) and second housing (2) that are indent structure, first housing (1) with the detachable connection of second housing (2), its characterized in that: the left side wall and the right side wall of the first housing (1) are respectively provided with a first bayonet (3) used for being clamped on the outer wall of a cable connector, a first clamp (4) is fixedly arranged inside the first bayonet (3), and the first clamp (4) is connected with the inner wall of the first bayonet (3) through an automatic fastening device (5); a second bayonet (6) corresponding to the first bayonet (3) is formed in the left side wall and the right side wall of the second housing (2), a second clamp (7) corresponding to the first clamp (4) is arranged inside the second bayonet (6), and the second clamp (7) is connected with the second bayonet (6) through the automatic fastening device (5); the front, rear, left and right side walls of the first housing (1) and the second housing (2) are respectively provided with a plurality of through holes (8) for draining water; the front side wall and the rear side wall of the first housing (1) are respectively fixedly provided with a first connecting lug (9), the front side wall and the rear side wall of the second housing (2) are respectively fixedly provided with a second connecting lug (10) corresponding to the first connecting lug (9), and the first connecting lug (9) and the second connecting lug (10) are detachably connected by bolts; a first anti-explosion transverse plate (11) is arranged inside the first housing (1), a first magnet block (12) is fixedly connected to the back of the first anti-explosion transverse plate (11), a plurality of damping springs (13) are fixedly connected to the back of the first magnet block (12), and the other ends of the damping springs (13) are fixedly connected to the inner wall of the first housing (1); a second explosion-proof transverse plate is arranged in the second housing (2), the back surface of the second explosion-proof transverse plate is fixedly connected with a second magnet block, the magnetic poles of opposite surfaces of the second magnet block and the first magnet block (12) are different, a plurality of damping springs (13) are arranged on the back surface of the second magnet block, and two ends of each damping spring (13) are fixedly connected with the second magnet block and the inner wall of the second housing (2) respectively; the water storage tank (14) is fixedly arranged at the upper end of the first housing (1), the electric control device (15) is fixedly arranged on the outer side wall of the first housing (1), and the water circulation system for cooling the cable joint is arranged in the first housing (1).
2. A flameproof device for cable connections according to claim 1, characterized in that: the upper end of the water storage tank (14) is detachably provided with a tank cover (17), and the tank cover (17) is in threaded connection with the water storage tank (14); the water storage tank (14) is internally provided with cold water (18), the bottom surface of the inside of the water storage tank (14) is fixedly provided with a first water pump (19), and a water outlet of the first water pump (19) is connected with a first water delivery pipe (20).
3. A flameproof device for cable connections according to claim 2, characterized in that: the water circulation system comprises a cooling box (16) which is fixedly connected with the front surface of the first anti-explosion transverse plate (11) and has a cavity structure, and the first water conveying pipe (20) is communicated with the cooling box (16); a soft layer (21) made of polypropylene material is arranged in the cooling box (16), the soft layer (21) is laid at the bottom of the cooling box (16), and the peripheral side wall of the soft layer (21) is fixedly connected with the inner wall of the cooling box (16); the bottom surface of the cooling box (16) is provided with a plurality of cooling channels (22) which are used for enabling the soft layer (21) to protrude to the outside of the cooling box (16) when the soft layer (21) is flushed with cold water (18); a second water pump (23) is fixedly arranged inside the cooling box (16), a water outlet of the second water pump (23) is connected with a second water delivery pipe (24), the other end of the second water delivery pipe (24) extends into the water storage tank (14), and the second water delivery pipe (24) is communicated with the water storage tank (14).
4. A flameproof device for cable connections according to claim 3, characterized in that: the electric control device (15) comprises a non-contact temperature sensor (25) which is fixedly arranged on the inner wall of the first cover shell (1) and used for measuring the temperature in the first cover shell (1), and the non-contact temperature sensor (25) is electrically connected with the electric control device (15); the electric control device (15) is electrically connected with the first water pump (19), and the electric control device (15) is electrically connected with the second water pump (23); the electric control device (15) comprises a processor, an alarm device and a power supply module, wherein the processor, the alarm device and the power supply module are all arranged in the electric control device.
5. A flameproof device for cable connections according to claim 4, characterized in that: the alarm device is a buzzer.
6. A flameproof device for cable connections according to claim 1, characterized in that: automatic fastener (5) include fixed connection on the bayonet socket inner wall and towards first spring (26) that the clamp extends, automatic fastener (5) still include connecting rod (27) of fixed connection on the clamp outer wall, connecting rod (27) with first spring (26) correspond the setting, fixedly connected with check baffle (28) on the week lateral wall of connecting rod (27), the one end that connecting rod (27) are close to first spring (26) extends to the inside of first spring (26), one end that first spring (26) are close to connecting rod (27) with check baffle (28) fixed connection.
7. A flameproof device for cable connections according to claim 6, characterized in that: automatic fastener (5) are still established at outside exhibition receipts formula dustcoat (29) of first spring (26) and connecting rod (27) including the cover, the upper end and the bayonet socket fixed connection of exhibition receipts formula dustcoat (29), the lower extreme and the clamp fixed connection of exhibition receipts formula dustcoat (29).
8. A flameproof apparatus for use in connection with a cable connection as defined in claim 1, wherein: first engaging lug (9) with all be equipped with the screw hole on the second engaging lug (10), insert to the screw hole through the bolt and make first housing (1) with second housing (2) detachable connection.
9. A flameproof device for cable connections according to claim 1, characterized in that: first bayonet socket (3) with set up between first clamp (4) automatic fastening device (5) are a plurality of, second bayonet socket (6) with set up between second clamp (7) automatic fastening device (5) are a plurality of.
10. A flameproof apparatus applied to a cable connection as defined in claim 3, wherein: second water pump (23) pass through the pedestal mounting be in the upper surface of soft layer (21), the base include with soft layer (21) adopt screw thread mode fixed connection's bottom plate (30), the last fixed surface of bottom plate (30) is connected with bracing piece (31), the upper end of bracing piece (31) and the outer wall fixed connection of second water pump (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210630818.6A CN115021196B (en) | 2022-06-06 | 2022-06-06 | Fireproof explosion device applied to cable junction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630818.6A CN115021196B (en) | 2022-06-06 | 2022-06-06 | Fireproof explosion device applied to cable junction |
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| CN115021196A true CN115021196A (en) | 2022-09-06 |
| CN115021196B CN115021196B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210630818.6A Active CN115021196B (en) | 2022-06-06 | 2022-06-06 | Fireproof explosion device applied to cable junction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118572611A (en) * | 2024-07-31 | 2024-08-30 | 国网山东省电力公司泗水县供电公司 | Cable intermediate joint protection box and explosion-proof method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118572611A (en) * | 2024-07-31 | 2024-08-30 | 国网山东省电力公司泗水县供电公司 | Cable intermediate joint protection box and explosion-proof method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115021196B (en) | 2023-07-25 |
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