CN214971367U - Cable branch box with fire prevention function - Google Patents
Cable branch box with fire prevention function Download PDFInfo
- Publication number
- CN214971367U CN214971367U CN202120715872.1U CN202120715872U CN214971367U CN 214971367 U CN214971367 U CN 214971367U CN 202120715872 U CN202120715872 U CN 202120715872U CN 214971367 U CN214971367 U CN 214971367U
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- Prior art keywords
- cable branch
- branch box
- dry powder
- wall
- controller
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- 230000002265 prevention Effects 0.000 title claims abstract description 9
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 230000001629 suppression Effects 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a cable branch box with fire prevention function belongs to cable branch box technical field, and its technical scheme main points are, including cable branch box and supporting leg, be equipped with the safety cover on the outer wall of cable branch box bottom surface, be equipped with the inside dry powder jar that extinguishes of being equipped with of shower nozzle safety cover on the inner wall of cable branch box bottom surface, dry powder jar one end that extinguishes is connected with the connecting pipe, and the dry powder jar that extinguishes links to each other with the shower nozzle through the connecting pipe, is equipped with the solenoid valve on the connecting pipe, is equipped with controller and smoke transducer on the cable branch box inner wall. Compared with the prior art, the utility model discloses, through smoke transducer for whether there is smog in monitoring cable branch box inside, if produce smog by the conflagration, smoke transducer monitors the back, gives the controller with signal transmission, behind the controller received signal, and the give-out order gives the solenoid valve, makes the solenoid valve become the state of opening by the normally closed state, and the dry powder fire extinguisher is followed shower nozzle and is located the blowout dry powder, is used for putting out a fire, and the effect is very obvious.
Description
Technical Field
The utility model relates to a cable branch box technical field, in particular to cable branch box with fire prevention function.
Background
With the development of the cabling process of the power distribution network, when the independent load distribution with small capacity is concentrated, the cable branch box can be used for connecting the multiple branches of the cable, because the branch box can not directly operate each path and only serves as a cable branch, the cable branch box is a device for branching, continuing and converting the cable line.
Most of the existing cable branch boxes are used outdoors, most of the existing cable branch boxes only adopt fireproof cables, the fireproof means is single, the effect is deviated, and fire disasters still can be caused during actual use.
Therefore, it is necessary to provide a cable branch box having a fireproof function to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a cable branch case with fire prevention function, this kind of cable branch case with fire prevention function is used for monitoring by conflagration production smog through set up smoke transducer inside the cable branch case, gives the controller through transmission signal for, is opened by controller control solenoid valve for dry powder fire extinguisher blowout dry powder is put out a fire.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a cable branch box with fire prevention function, includes the cable branch box, cable branch box bottom surface four corners department is equipped with the supporting leg, be equipped with the safety cover on the outer wall of cable branch box bottom surface, be equipped with the shower nozzle on the inner wall of cable branch box bottom surface the inside dry powder jar that extinguishes that is equipped with of safety cover, dry powder jar one end that extinguishes is connected with the connecting pipe, dry powder jar that extinguishes links to each other with the shower nozzle through the connecting pipe, be equipped with the solenoid valve on the connecting pipe, be equipped with controller and smoke transducer on the cable branch box inner wall.
Furthermore, a sun-proof rain-proof plate is arranged on the top surface of the cable branch box.
Furthermore, an opening is formed in the side wall of the cable branch box, at least two rotating shafts parallel to the vertical direction are arranged in the opening, blades and gears are arranged on the rotating shafts, an air cylinder is arranged on the inner wall of the cable branch box, and racks meshed with the gears are arranged on the side wall of the telescopic end of the air cylinder.
Furthermore, a stepping motor is arranged inside the protective cover, the output end of the stepping motor is connected with the rotating shaft, fan blades are arranged on the rotating shaft, and a temperature sensor is arranged on the inner wall of the cable branch box.
Furthermore, a standby battery is arranged inside the protective cover.
Furthermore, the bottom surface of safety cover is equipped with the dust removal filter screen, the dust removal filter screen is located step motor under.
To sum up, the utility model discloses following beneficial effect has:
1. according to the cable branch box with the fireproof function, the smoke sensor is arranged on the inner wall of the cable branch box and used for monitoring whether smoke exists in the cable branch box or not, if smoke is generated by a fire disaster, the smoke sensor transmits a signal to the controller after monitoring the smoke sensor, the controller sends an instruction to the electromagnetic valve after receiving the signal, the electromagnetic valve is changed from a normally closed state to an open state, the dry powder fire extinguisher sprays dry powder from the spray nozzle and is used for extinguishing a fire, and the effect is very obvious;
2. according to the cable branch box with the fireproof function, the temperature sensor is arranged on the inner wall of the cable branch box to monitor the internal temperature of the cable branch box, if the monitored temperature exceeds the set temperature, the temperature sensor sends a signal to the controller, and after the controller receives the signal, the controller sends an instruction to the stepping motor, so that the stepping motor drives the fan blade to rotate in the forward direction, external air is sucked into the cable branch box, and the internal air in the cable branch box is discharged from an opening on the side wall of the cable branch box, so that the purpose of radiating the internal part of the cable branch box is achieved, and the possibility of fire caused by overhigh temperature in the cable branch box is prevented;
3. the cable branch box with the fireproof function is characterized in that when a fire disaster happens inside the cable branch box, smoke is monitored by the smoke sensor, the monitoring temperature of the temperature sensor is too high, the smoke sensor and the temperature sensor send signals to the controller together, after the controller receives the two signals simultaneously, the priority of the signals sent by the smoke sensor is higher than that of the signals sent by the temperature sensor, the controller ignores the signals sent by the temperature sensor, only the signals sent by the smoke sensor are received and an instruction is sent, the controller sends the instruction to the air cylinder, the rack drives the gear to rotate through the extension of the output end of the air cylinder, the gear drives the blade to rotate through the rotating shaft, the blade rotates from a normally open state to be parallel to the side wall of the cable branch box and becomes a closed state, a relatively closed state is formed inside the cable branch box, and external air is prevented from entering the inside of the cable branch box, meanwhile, the controller sends an instruction to the stepping motor, so that the stepping motor drives the fan blades to rotate reversely, air in the cable branch box is pumped out, and the combustion in the cable branch box is lack of oxygen reaction conditions, so that fire is extinguished.
Drawings
Fig. 1 is a schematic structural view of a cable branch box with a fireproof function;
fig. 2 is an enlarged view of a structure at a in fig. 1 of a cable branch box having a fire prevention function;
FIG. 3 is a schematic diagram of a cable branch box with a fireproof function;
in the figure: 1-a cable branch box; 2-supporting legs; 3-a protective cover; 4-a spray head; 5-dry powder fire extinguishing tank; 6-connecting pipe; 7-an electromagnetic valve; 8-a controller; 9-a smoke sensor; 10-sun-proof rain-proof board; 11-opening; 12-a rotating shaft; 13-a blade; 14-a gear; 15-cylinder; 16-a rack; 17-a stepper motor; 18-a rotating shaft; 19-fan blades; 20-a temperature sensor; 21-a backup battery; 22-dust removal filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a cable branch box with a fireproof function comprises a cable branch box 1, wherein a sun-proof rain shield 10 is arranged on the top surface of the cable branch box 1, supporting legs 2 are arranged at four corners of the bottom surface of the cable branch box 1, a protective cover 3 is arranged on the outer wall of the bottom surface of the cable branch box 1, a dry powder extinguishing tank 5, a standby battery 21 and a stepping motor 17 are arranged inside the protective cover 3, and the protective cover 3 is arranged below the cable branch box 1, so that sunlight cannot directly irradiate the protective cover 3, and therefore heat insulation is indirectly performed on components inside the protective cover 3;
the inner wall of the cable branch box 1 is provided with a controller 8, a smoke sensor 9 and a temperature sensor 20;
an opening 11 is formed in the side wall of the cable branch box 1, four rotating shafts 12 which are parallel in the vertical direction are arranged in the opening 11, blades 13 and gears 14 are arranged on the rotating shafts 12, an air cylinder 15 is arranged on the inner wall of the cable branch box 1, a rack 16 meshed with the gears 14 is arranged on the side wall of the telescopic end of the air cylinder 15, and under the condition of no fire, the gears 14 are driven to rotate through the air cylinder 15, so that the blades 13 and the side wall of the cable branch box 1 are in a cross shape, the blades 13 are in a normally open state, air circulation inside and outside the cable branch box is facilitated, and heat dissipation is facilitated;
the output end of the stepping motor 17 is connected with the rotating shaft 18, the rotating shaft 18 is provided with a fan blade 19, the fan blade 19 is communicated with the inside of the cable branch box 1, when the temperature in the cable branch box 1 is higher than the set temperature of the temperature sensor 20, the temperature sensor 20 sends a signal to the controller 8, the controller 8 receives the signal and sends an instruction to the stepping motor 17, the stepping motor 17 drives the fan blade 19 to rotate in the forward direction, outside air is sucked into the cable branch box 1, air in the cable branch box 1 is discharged from the blades 13, and air flow in the cable branch box 1 is enhanced, so that heat dissipation is realized, and fire disasters of electric appliances in the cable branch box due to high temperature are prevented;
the inner wall of the bottom surface of the cable branch box 1 is provided with a spray head 4, the outlet end of a dry powder fire extinguishing tank 5 is connected with a connecting pipe 6, the dry powder fire extinguishing tank 5 is connected with the spray head 4 through the connecting pipe 6, an electromagnetic valve 7 is arranged on the connecting pipe 6, when a fire disaster occurs in the cable branch box 1, a smoke sensor 9 monitors smoke and sends a signal to a controller 8, the controller 8 receives the signal and sends a command to the electromagnetic valve 7, so that the electromagnetic valve 7 is changed from a normally closed state to an open state, the dry powder fire extinguishing tank 5 sprays dry powder from the spray head 4 to extinguish the fire, meanwhile, due to the occurrence of the fire disaster, when the smoke sensor 9 monitors the smoke, the temperature sensor 20 also monitors the abnormity of temperature, the temperature sensor 20 also sends a signal to the controller, but because the priority of the signal sent by the smoke sensor 10 is greater than that sent by the temperature sensor 10, the controller 8 sends a command to a cylinder 15, the rack 16 on the cylinder 15 drives the gear 13 to rotate, the gear 13 drives the blade 13 to rotate through the rotating shaft 12, so that the blade 13 rotates to be parallel to the side wall of the cable branch box 1 to reach a relatively closed state, the controller 8 sends an instruction to the stepping motor 17, the stepping motor 17 drives the fan blade 19 to rotate in the reverse direction, air in the cable branch box 1 is pumped out, and the cable branch box 1 is lack of oxygen and cannot burn;
a power supply is arranged in the cable branch box 1 and supplies power to the controller 8, the smoke sensor 9, the temperature sensor 20, the standby battery 21, the stepping motor 17 and the electromagnetic valve 7;
a standby battery 21 is arranged in the protective cover 3, when a fire disaster occurs in the cable branch box 1, if the power supply is short-circuited due to the fire disaster, the standby battery 21 is used for continuously supplying power to the controller 8, the smoke sensor 9, the temperature sensor 20, the standby battery 21, the stepping motor 17 and the electromagnetic valve 7;
the bottom surface of the protective cover 3 is provided with a dust removal filter screen 22, and the dust removal filter screen 22 is positioned right below the stepping motor 17, so that when the fan blades 19 rotate in the forward direction, external dust cannot be brought into the cable branch box 1;
the utility model discloses a theory of operation does: when the cable branch box with the fireproof function is used, the blade 13 is adjusted to be in a normally open state, the electromagnetic valve 7 is in a normally closed state, the temperature sensor 9 is used for monitoring the internal temperature of the cable branch box 1, when the internal temperature of the cable branch box 1 is higher than the set temperature of the temperature sensor 9, the temperature sensor 9 sends a signal to the controller 8, the controller 8 sends an instruction to the stepping motor 17, the stepping motor 17 drives the blade 19 to rotate in the forward direction, outside air is sucked into the cable branch box 1, air in the cable branch box 1 is discharged from the blade 13, when a fire disaster occurs in the cable branch box 1, the smoke sensor 20 monitors smoke, the temperature sensor 9 simultaneously monitors abnormal temperature, and sends a signal to the controller 8, and as the priority of the smoke sensor 20 is higher than that of the temperature sensor 9, the controller 8 only processes the signal sent by the smoke sensor 20, the controller 8 sends an instruction to the air cylinder 15, the air cylinder 15 drives the blades 13 to rotate to be in a closed state, the controller 8 sends an instruction to the stepping motor 17, the stepping motor 17 drives the blades 19 to rotate in the reverse direction, air in the cable branch box 1 is pumped out, the controller 8 sends an instruction to the electromagnetic valve 7, the electromagnetic valve 7 is changed from a normally closed state to an open state, and dry powder in the dry powder fire extinguishing tank 5 is sprayed out through the spray nozzle 4 to extinguish fire.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a cable branch case with fire prevention function, includes cable branch case (1), its characterized in that: cable branch case (1) bottom surface four corners department is equipped with supporting leg (2), be equipped with safety cover (3) on cable branch case (1) bottom surface outer wall, be equipped with shower nozzle (4) on cable branch case (1) bottom surface inner wall, safety cover (3) inside is equipped with dry powder fire suppression jar (5), dry powder fire suppression jar (5) one end is connected with connecting pipe (6), dry powder fire suppression jar (5) link to each other with shower nozzle (4) through connecting pipe (6), be equipped with solenoid valve (7) on connecting pipe (6), be equipped with controller (8) and smoke transducer (9) that link to each other with solenoid valve (7) electrical property on cable branch case (1) inner wall.
2. The cable branch box with the fireproof function according to claim 1, wherein: the top surface of the cable branch box (1) is provided with a sun-proof rain-proof plate (10).
3. The cable branch box with the fireproof function according to claim 1, wherein: the cable branch box is characterized in that an opening (11) is formed in the side wall of the cable branch box (1), at least two rotating shafts (12) which are parallel in the vertical direction are arranged in the opening (11), blades (13) and gears (14) are arranged on the rotating shafts (12), an air cylinder (15) is arranged on the inner wall of the cable branch box (1), and racks (16) meshed with the gears (14) are arranged on the side wall of the telescopic end of the air cylinder (15).
4. The cable branch box with the fireproof function according to claim 1, wherein: the cable branch box is characterized in that a stepping motor (17) is arranged inside the protective cover (3), the output end of the stepping motor (17) is connected with a rotating shaft (18), fan blades (19) are arranged on the rotating shaft (18), and a temperature sensor (20) is arranged on the inner wall of the cable branch box (1).
5. The cable branch box with the fireproof function according to claim 1, wherein: a standby battery (21) is arranged inside the protective cover (3).
6. The cable branch box with the fireproof function according to claim 1, wherein: the bottom surface of safety cover (3) is equipped with dust removal filter screen (22), dust removal filter screen (22) are located step motor (17) under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120715872.1U CN214971367U (en) | 2021-04-08 | 2021-04-08 | Cable branch box with fire prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120715872.1U CN214971367U (en) | 2021-04-08 | 2021-04-08 | Cable branch box with fire prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214971367U true CN214971367U (en) | 2021-12-03 |
Family
ID=79096725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120715872.1U Active CN214971367U (en) | 2021-04-08 | 2021-04-08 | Cable branch box with fire prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214971367U (en) |
-
2021
- 2021-04-08 CN CN202120715872.1U patent/CN214971367U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 336000, No. 9 Xinwang Road, Metal Zone, Yaodu Science and Technology Industrial Park, Zhangshu City, Yichun City, Jiangxi Province (self committed) (registered business location: No. 9 Xinwang Road, Metal Zone, Yaodu Science and Technology Industrial Park) Patentee after: Jiangxi Minglang Power Equipment Co.,Ltd. Country or region after: Zhong Guo Address before: 336000 building 106, Guanzhong Road, Guanshang Town, Zhangshu City, Yichun City, Jiangxi Province Patentee before: Jiangxi Junlang Electric Power Equipment Co.,Ltd. Country or region before: Zhong Guo |
|
| CP03 | Change of name, title or address |