CN211930245U

CN211930245U - Intelligent explosion-proof shell

Info

Publication number: CN211930245U
Application number: CN202020884425.4U
Authority: CN
Inventors: 郝峰; 马建华; 吴学军
Original assignee: Suzhou Jiuwei Electric Made Co ltd
Current assignee: Suzhou Jiuwei Electric Made Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-11-13
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses an intelligent explosion-proof shell, applied in the field of cable protection devices, the technical problem that the shell explodes to generate electric sparks when being impacted by excessive electric arcs is solved, the electric sparks are easy to splash out from the shell and can cause secondary damage to surrounding facilities, the technical scheme main points are that the intelligent explosion-proof shell comprises a shell, the shell comprises an inner shell layer and an outer shell layer, fireproof gel is filled between the inner shell layer and the outer shell layer, the two ends of the shell are provided with wiring ports, the wiring ports in the shell are respectively provided with a temperature sensor, a temperature sensor is arranged at the middle position in the shell, an automatic fire extinguishing device is arranged in the shell, each temperature sensor is connected with the automatic fire extinguishing device through a data transmission line, the outer side of the shell is provided with an intelligent receiving and transmitting module, and the intelligent receiving and transmitting module is connected with; the technical effect is that the electric spark generated is not easy to splash out of the shell when the shell is impacted by excessive electric arcs.

Description

Intelligent explosion-proof shell

Technical Field

The utility model belongs to the technical field of cable protector's technique and specifically relates to an explosion-proof shell of intelligence is related to.

Background

After the cable intermediate head is installed on site, the cable intermediate head can be affected by the external environment during operation, so that the insulation is easily damaged, and the breakdown explosion accident of the cable intermediate head is caused. In order to reduce the occurrence of the breakdown explosion accident, the cable joint is generally buckled in the explosion-proof shell at present, and when the cable joint has the breakdown explosion accident, the explosion-proof shell can protect other surrounding facilities, so that the occurrence of a secondary accident is prevented.

The current chinese patent with publication number CN208753953U discloses an explosion-proof box for cable joint, including last box body and lower box body, it divide into first box body and second box body to go up the box body, the box body divide into third box body and fourth box body down, the one end that first box body is close to the second box body is provided with first arc, the one end that the second box body is close to first box body is provided with the second arc, the one end that the third box body is close to the fourth box body is provided with the third arc, the one end that the fourth box body is close to the third box body is provided with the fourth arc, fixed subassembly can with first arc, the second arc, third arc and fourth arc inlay card cooperation, thereby with first box body, the second box body, third box body and fourth box body reciprocal anchorage are in order to form the protection casing.

The above prior art solutions have the following drawbacks: when the cable joint is subjected to a breakdown explosion accident, a large amount of electric arcs are generated to impact the shell, the shell is exploded to generate electric sparks when being impacted by excessive electric arcs, and the electric sparks are easy to splash out of the shell to cause secondary damage to surrounding facilities.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an explosion-proof shell of intelligence, its advantage is that the casing is when receiving excessive electric arc impact, and the electric spark of production is difficult for splashing from the casing.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an explosion-proof shell of intelligence, includes the casing, the casing includes inner shell layer and outer shell layer, it has fire prevention gel to fill between inner shell layer and the outer shell layer, the both ends of casing are equipped with the wiring mouth, wiring mouth department is provided with temperature sensor in the casing respectively, intermediate position department is equipped with temperature sensor in the casing, be equipped with automatic fire extinguishing device in the casing, each temperature sensor passes through data transmission line and is connected with automatic fire extinguishing device, the outside of casing is provided with intelligence and receives transport module, intelligence is received transport module and is passed through data transmission line and each temperature sensor is connected.

Through above-mentioned technical scheme, it has fire prevention gel to fill between inner shell and the outer shell, when making the inherent explosion that takes place of casing, the casing can play the effect of double-deck protection, guarantees the closure of casing after the explosion takes place. Temperature sensor makes the temperature variation of each position in the casing all can in time detect the control, when arbitrary temperature sensor detected the casing internal temperature when too high, automatic fire extinguishing device all can start to cool down in the casing and put out a fire. The intelligent receiving and transmitting module is connected with the temperature sensors through data transmission lines, and the intelligent receiving and transmitting module can send detection results of the temperature sensors to the intelligent terminal device, so that management personnel can monitor the intelligent receiving and transmitting module conveniently.

The utility model discloses further set up to: the casing includes casing and lower casing, go up the casing and can dismantle the connection with lower casing, can dismantle on the last casing of automatic fire extinguishing device top and be connected with the access door.

Through above-mentioned technical scheme, can regularly inspect cable junction and automatic fire extinguishing device in the casing through the access door, prevent that temperature sensor and automatic fire extinguishing device from being connected unstablely, when making the explosion take place, automatic fire extinguishing device can't normally start.

The utility model discloses further set up to: and the inner walls of the upper shell and the lower shell are provided with anti-explosion dispersed arc buffer layers.

Through the technical scheme, the anti-explosion dispersion electric arc buffer layer can resist instant burning of high-temperature electric arcs and prevent electric sparks from splashing.

The utility model discloses further set up to: and a refractory gasket is arranged at the joint of the upper shell and the lower shell.

Through above-mentioned technical scheme, the leakproofness that the casing and lower body coupling can improve in the refractory pad piece prevents that there is the electric spark to splash when exploding in the casing.

The utility model discloses further set up to: the connecting pieces are arranged on the upper shell and the lower shell in parallel, connecting holes are formed in the connecting pieces, connecting bolts are arranged at the connecting holes, connecting nuts are screwed at the tail ends of the connecting bolts, and grounding wires are wound on the connecting bolts.

Through the technical scheme, the upper shell and the lower shell can be detachably connected through the connecting bolt and the connecting nut, the explosion-proof shell is convenient to install, and the stability of connection of the upper shell and the lower shell is ensured simultaneously. The grounding wire is wound on the connecting bolt, partial short-circuit current can be shunted by the grounding wire, electric arcs generated by explosion are uniformly dispersed, electric sparks generated by explosion are reduced, and equipment and personnel around the explosion are protected.

The utility model discloses further set up to: the upper shell is provided with a pressure reducing pipeline, and the pressure reducing pipeline is provided with a one-way valve.

Through above-mentioned technical scheme, the unrestrained quilt of gas that produces when the relief pressure pipeline makes the explosion can be discharged, and atmospheric pressure in the casing is too big when preventing the explosion, makes the casing explode, is equipped with the leakproofness that the check valve does not influence the casing simultaneously on the relief pressure pipeline.

The utility model discloses further set up to: and a sealing element is arranged at the wire connection port, and flame-retardant fibers are filled in the sealing element.

Through above-mentioned technical scheme, the leakproofness in the sealing member can improve the casing, can't obtain sufficient oxygen when making the explosion in the casing, controls the further expansion of intensity of a fire.

The utility model discloses further set up to: the shell is provided with an alarm device, and the alarm device is in wireless connection with the intelligent receiving and transmitting module.

Through the technical scheme, when the intelligent receiving and transmitting module detects that the temperature in the shell is abnormal through the temperature sensor, the intelligent receiving and transmitting module can transmit signals to the alarm device, so that the alarm device can alarm timely.

To sum up, the utility model discloses a beneficial technological effect does:

1. the shell can play a double-layer protection effect, the sealing performance of the shell is guaranteed after explosion occurs, the intelligent receiving and transmitting module can send detection results of the temperature sensors to the intelligent terminal device, management personnel can conveniently monitor the detection results, and meanwhile when any one temperature sensor detects that the temperature in the shell is too high, the automatic fire extinguishing device can be started to cool and extinguish fire in the shell;

2. the grounding point can shunt partial short-circuit current, uniformly disperse electric arcs generated by explosion and reduce electric sparks generated by explosion;

3. the pressure reducing pipeline can discharge the blast generated in explosion, and the one-way valve arranged on the pressure reducing pipeline does not influence the sealing performance of the shell.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

fig. 2 is an exploded view of the present embodiment for showing the inner wall structure of the case;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present embodiment;

FIG. 4 is an exploded view of the present embodiment showing the construction of the housing;

fig. 5 is an enlarged view at B of fig. 4 in the present embodiment.

Description of the drawing, 1, inner shell layer; 2. an outer shell layer; 3. a fire-retardant gel; 4. a wiring port; 5. a temperature sensor; 6. an automatic fire extinguishing device; 7. an intelligent receiving and transmitting module; 8. an upper housing; 9. a lower housing; 10. an access door; 11. an antiknock dispersive arc buffer layer; 12. a refractory pad; 13. a connecting bolt; 14. a connecting nut; 15. a ground line; 16. a pressure reducing conduit; 17. a one-way valve; 18. a seal member; 19. an alarm device; 20. and (7) connecting the sheets.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, for the utility model discloses an explosion-proof shell of intelligence, including the casing, the casing includes casing 8 and lower casing 9, and the explosion-proof shell of being convenient for carries out the lock installation in cable joint department.

Referring to fig. 2 and 3, the upper shell 8 and the lower shell 9 are respectively provided with a connecting piece 20, the connecting pieces 20 are arranged in parallel, the connecting pieces 20 are provided with connecting holes, the connecting holes are provided with connecting bolts 13, and the tail ends of the connecting bolts 13 are screwed with connecting nuts 14. The upper shell 8 and the lower shell 9 are detachably connected through the connecting bolts 13 and the connecting nuts 14, so that the explosion-proof shell is convenient to install, and meanwhile, the connection stability of the upper shell 8 and the lower shell 9 is ensured. The joint of the upper shell 8 and the lower shell 9 is provided with a fire-resistant gasket 12, and the fire-resistant gasket 12 can improve the connection tightness of the upper shell 8 and the lower shell 9 and prevent electric sparks from splashing when explosion occurs in the shells. The both ends of casing are equipped with wiring mouth 4, and wiring mouth 4 department is equipped with sealing member 18, and the intussuseption of sealing member 18 intussuseption is filled with fire-retardant fibre, and sealing member 18 can improve the closure in the casing, can't obtain sufficient oxygen when making the interior explosion of casing, the further expansion of control intensity of a fire. The inner walls of the upper shell 8 and the lower shell 9 are provided with an anti-explosion dispersed arc buffer layer 11, and the anti-explosion dispersed arc buffer layer 11 is made of a high-temperature-resistant non-combustible material, can resist instant burning of high-temperature electric arcs, and prevents electric sparks from splashing.

Referring to fig. 2, wiring mouth 4 punishment do not is provided with temperature sensor 5 in the casing, and intermediate position department is equipped with temperature sensor 5 in the casing, makes the temperature variation of each position in the casing all can in time detect the control, is equipped with automatic fire extinguishing apparatus 6 in the casing, and each temperature sensor 5 passes through data transmission line and is connected with automatic fire extinguishing apparatus 6, and when arbitrary one temperature sensor 5 detected the casing internal temperature and was too high, automatic fire extinguishing apparatus 6 all can start to cool down to put out a fire to the casing. The outside of casing is provided with intelligence and receives transport module 7, and intelligence is received transport module 7 and is connected with each temperature sensor 5 through data transmission line, and intelligence is received transport module 7 and can be sent intelligent terminal equipment with each temperature sensor 5's testing result, and the managers of being convenient for monitor. The shell is provided with an alarm device 19, the alarm device 19 is in wireless connection with the intelligent receiving and transmitting module 7, and when the intelligent receiving and transmitting module 7 detects that the temperature in the shell is abnormal through the temperature sensor 5, a signal is transmitted to the alarm device 19, so that the alarm device 19 gives an alarm in time.

Referring to fig. 2, can dismantle on the last casing 8 of automatic fire extinguishing device 6 top and be connected with access door 10, can regularly inspect cable junction and automatic fire extinguishing device 6 in the casing through access door 10, prevent that temperature sensor 5 and automatic fire extinguishing device 6 from being connected unstablely, when making the explosion take place, automatic fire extinguishing device 6 can't normally start. When explosion happens, the pressure in the shell is increased, so that the shell is easy to explode, the upper shell 8 is provided with the pressure reducing pipeline 16, the pressure reducing pipeline 16 is provided with the one-way valve 17, so that air waves generated during explosion can be discharged, and the sealing performance of the shell is not influenced.

Referring to fig. 4, the upper shell 8 and the lower shell 9 are both divided into an inner shell layer 1 and an outer shell layer 2, and a fireproof gel 3 is filled between the inner shell layer 1 and the outer shell layer 2, so that when the shell is internally exploded, the shell can play a double-layer protection effect, and the closure of the shell after explosion occurs is ensured.

Referring to fig. 5, a ground wire 15 is wound around the connecting bolt 13, and the ground wire can shunt part of the short-circuit current, uniformly disperse the electric arc generated by explosion, reduce the electric spark generated by explosion, and protect the equipment and personnel around the explosion.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an explosion-proof shell of intelligence, includes the casing, its characterized in that, the casing includes inner shell layer (1) and outer shell layer (2), it has fire prevention gel (3) to fill between inner shell layer (1) and outer shell layer (2), the both ends of casing are equipped with wiring mouth (4), wiring mouth (4) punishment do not is provided with temperature sensor (5) in the casing, intermediate position department is equipped with temperature sensor (5) in the casing, be equipped with automatic fire extinguishing device (6) in the casing, each temperature sensor (5) are connected with automatic fire extinguishing device (6) through data transmission line, the outside of casing is provided with intelligence and receives transport module (7), intelligence is received transport module (7) and is connected with each through data transmission line temperature sensor (5).

2. An intelligent explosion-proof housing according to claim 1, wherein the housing comprises an upper housing (8) and a lower housing (9), the upper housing (8) and the lower housing (9) are detachably connected, and an access door (10) is detachably connected to the upper housing (8) above the automatic fire extinguishing device (6).

3. An intelligent explosion-proof housing according to claim 2, characterized in that the inner walls of the upper housing (8) and the lower housing (9) are provided with an anti-explosion dispersing arc buffer layer (11).

4. An intelligent explosion-proof housing according to claim 3, characterized in that the joint of the upper housing (8) and the lower housing (9) is provided with a fire-resistant gasket (12).

5. An intelligent explosion-proof shell according to claim 4, wherein the upper shell (8) and the lower shell (9) are respectively provided with a connecting piece (20), the connecting pieces (20) are arranged in parallel, the connecting pieces (20) are provided with connecting holes, the connecting holes are provided with connecting bolts (13), the tail ends of the connecting bolts (13) are screwed with connecting nuts (14), and the connecting bolts (13) are wound with grounding wires (15).

6. An intelligent explosion-proof shell according to claim 5, characterized in that a pressure relief pipeline (16) is arranged on the upper shell (8), and a one-way valve (17) is arranged on the pressure relief pipeline (16).

7. An intelligent explosion-proof shell according to claim 1, wherein a sealing element (18) is arranged at the wiring port (4), and the sealing element (18) is filled with flame-retardant fibers.

8. An intelligent explosion-proof shell according to claim 1, characterized in that an alarm device (19) is arranged on the shell, and the alarm device (19) is wirelessly connected with the intelligent receiving and transmitting module (7).