CN111106577A - Fire-resistant cable bridge with early warning function - Google Patents
Fire-resistant cable bridge with early warning function Download PDFInfo
- Publication number
- CN111106577A CN111106577A CN201911377881.8A CN201911377881A CN111106577A CN 111106577 A CN111106577 A CN 111106577A CN 201911377881 A CN201911377881 A CN 201911377881A CN 111106577 A CN111106577 A CN 111106577A
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- China
- Prior art keywords
- mounting groove
- fire
- early warning
- warning function
- cable bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- 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
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a fire-resistant cable bridge with an early warning function, which comprises a mounting groove, wherein the mounting groove has thermal conductivity, heat insulation parts are respectively and integrally formed at two ends of the mounting groove, a mounting supporting plate is arranged at the top of the mounting groove, a top plate is detachably mounted on the mounting supporting plate through a screw, at least one groove is arranged on the bottom surface inside the mounting groove, a temperature switch is mounted in the groove, a buzzer is arranged outside the mounting groove, and the buzzer is electrically connected with the temperature switch. When the temperature near the mounting groove is too high, the buzzer alarms, and because each cable bridge contact position has a heat insulation part, only the buzzer of the cable bridge with the too high temperature warns, and the staff can quickly find the cable bridge with the too high temperature to process so as to reduce potential risks.
Description
Technical Field
The invention relates to the technical field of cable bridges, in particular to a fire-resistant cable bridge with an early warning function.
Background
The cable bridge is a rigid structure for supporting cables, and has a groove type, a tray type, a ladder type and the like, and the cable bridge can be independently arranged, can also be fixedly arranged on various buildings, can be erected from the wall or the top of the building and gathers the cables in the cable bridge.
The cable bridge has the characteristics of simple structure, attractive and concise routing of the cable after erection, and very convenient maintenance, and the existing cable bridge generally has corrosion resistance, high impact strength and better protection against damage to the cable.
However, the applicant has found that the prior art has at least the following problems:
the existing cable bridge does not have an early warning function, and when a cable is burnt out and catches fire or the peripheral temperature of the bridge is too high, danger cannot be early warned.
Disclosure of Invention
In view of the above, the present invention provides a fire-resistant cable tray with an early warning function, which solves the problem that the existing cable tray does not have an early warning function, and when a cable is burnt out and catches fire or the temperature around the tray is too high, the danger cannot be early warned.
Based on the above purpose, the invention provides a fire-resistant cable bridge with an early warning function, which comprises a mounting groove, wherein the mounting groove has thermal conductivity, heat insulation parts are respectively and integrally formed at two ends of the mounting groove, a mounting supporting plate is arranged at the top of the mounting groove, a top plate is detachably mounted on the mounting supporting plate through screws, at least one groove is arranged on the bottom surface inside the mounting groove, a temperature switch is mounted in the groove, a buzzer is arranged outside the mounting groove, and the buzzer is electrically connected with the temperature switch.
Optionally, the heat insulation portion includes an accommodating chamber, the opening of the accommodating chamber faces downward, a guide rail is longitudinally distributed on the inner wall of the accommodating chamber, a partition door is mounted on the guide rail and can move up and down, two sets of rotating shafts are respectively mounted on two sides of the partition door, rotating plates are mounted on the rotating shafts, elastic portions are respectively integrally formed on two parallel sides of the rotating plates and the rotating shafts, the two sets of rotating plates cooperate with the partition door to seal the bottom opening of the accommodating chamber, dry powder is filled in the accommodating chamber, one ends of the two sets of rotating shafts extend out of the heat insulation portion, gears are respectively mounted on the two sets of rotating shafts, a rack is engaged and connected between the two sets of gears, a mounting portion is arranged on the heat insulation portion, an electric telescopic rod is mounted on the mounting portion, the, the dry powder falls, and the electric telescopic rod is electrically connected with the temperature switch.
Optionally, two sides of the accommodating cavity are respectively provided with a partition cavity, and a stop door capable of moving up and down is installed in the partition cavity.
Optionally, the two sides of the stop gate are respectively connected with supporting plates through springs, and the two supporting plates are respectively abutted to the side walls of the partition cavity.
Optionally, the partition door is provided with longitudinal guide grooves at two ends close to the guide rail, the guide grooves are matched with the guide rail, compression springs are installed in the guide grooves, the compression springs are connected with abutting strips, and the abutting strips are abutted to the guide rail.
Optionally, the elastic part is made of rubber.
From the above, according to the fire-resistant cable bridge with the early warning function, the heat insulation parts are arranged at the two ends of the installation groove, the temperature switch is arranged in the installation groove, the buzzer electrically connected with the temperature switch is arranged outside the installation groove, when the temperature near the installation groove is too high, the buzzer alarms, and due to the fact that the heat insulation parts are arranged at the contact parts of the cable bridges, only the buzzer of the cable bridge with the too high temperature warns, a worker can quickly find the cable bridge with the too high temperature for processing, and potential risks are reduced.
As another aspect of the present invention, the heat insulation portion is provided with an accommodating cavity inside, the accommodating cavity is filled with dry powder, the bottom of the accommodating cavity is provided with a rotating plate, the rotating plate can rotate under the driving of the electric telescopic rod, so that the dry powder falls, the dry powder buries part of the cable, and the cable is prevented from spreading due to combustion, so as to reduce the damage to the cable when a fire hazard occurs.
Drawings
FIG. 1 is a schematic cross-sectional view of a fire-resistant cable tray with an early warning function according to an embodiment of the present invention;
FIG. 2 is a schematic partial cross-sectional view of a fire-resistant cable tray with an early warning function according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a partial structural diagram of an outer portion of a heat insulation portion of a fire-resistant cable tray with an early warning function according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
As one embodiment of the invention, as shown in the figure, the fire-resistant cable bridge with the early warning function comprises an installation groove 1, wherein the installation groove 1 has good thermal conductivity, optionally, the installation groove 1 is made of iron, heat insulation parts 3 are respectively and integrally formed at two ends of the installation groove 1, an installation supporting plate 4 is arranged at the top of the installation groove 1, a top plate 2 is detachably installed on the installation supporting plate 4 through a screw 5, at least one groove 6 is arranged on the bottom surface inside the installation groove 1, a temperature switch 7 is installed in the groove 6, a buzzer 8 is arranged outside the installation groove 1, and the buzzer 8 is electrically connected with the temperature switch 7. When using, erect the multistage cable testing bridge intercommunication, the tip of each section cable testing bridge is thermal-insulated, and when certain section cable testing bridge temperature switch 7 sensed higher temperature, then buzzer 8 started, and the warning staff handles, reduces the risk that the cable damaged.
In some optional embodiments, the heat insulation part 3 includes a receiving cavity 9, the receiving cavity 9 is opened downwards, a longitudinally distributed guide rail 10 is arranged on the inner wall of the receiving cavity 9, a partition door 12 is arranged on the guide rail 10 and can move up and down, two sets of rotating shafts 14 are respectively arranged on two sides of the partition door 12, a rotating plate 15 is arranged on each rotating shaft 14, elastic parts 16 are respectively integrally formed on two parallel sides of the rotating plate 15 and the rotating shafts 14, the two sets of rotating plates 15 cooperate with the partition door 12 to seal the bottom opening of the receiving cavity 9, dry powder 11 is filled in the receiving cavity 9, one end of each set of rotating shafts 14 extends out of the heat insulation part 3, gears 21 are respectively arranged on the end parts of the two sets of rotating shafts 14 extending out of the heat insulation part 3, a rack 22 is engaged and connected between the two sets of gears 21, a mounting part 17 is arranged, the electric telescopic rod 23 is fixedly connected with the rack 22, the electric telescopic rod 23 is shortened, the dry powder 11 falls, and the electric telescopic rod 23 is electrically connected with the temperature switch 7. When using, when the high temperature in the cable testing bridge, temperature switch 7 opens, electric telescopic handle 23 work, it rises to drive rack 22, rack 22 drives two gears 21 rotatory, thereby it is rotatory to drive rotation axis 14, make two rotor plates 15 rotatory, it can not 15 rotations to rotate, holding chamber 9 bottom opening spills the gap, dry powder 11 falls in the gap, will cut off the cable of door 12 both sides and bury, make the burning of cable can not unable the stretching, loss when reducing the cable and catching fire.
In some alternative embodiments, partition cavities 13 are respectively arranged on two sides of the accommodating cavity 9, and a stop door 18 capable of moving up and down is installed in each partition cavity 13. Two stop door 18 cooperate and cut off door 12 and form two and cut off the chamber in cutting off door 12 both sides, when installing, make and cut off door 12 and two stop door 18 bottoms and contact with the cable, when the dry powder whereabouts, the dry powder gathering is in two and cuts off the chamber, and the volume effect that isolated fire spread is showing more.
In some alternative embodiments, two support plates 20 are respectively connected to two sides of the blocking door 18 through springs 19, and the two support plates 20 respectively abut against the side walls of the partition cavity 13. When the number of cables accommodated in the bridge is different, the blocking door 18 can be conveniently stopped at any height.
In some optional specific embodiments, the partition door 12 is provided with longitudinal guide grooves 121 near two end portions of the guide rail 10, the guide grooves 121 are adapted to the guide rail 10, a compression spring 122 is installed in the guide grooves 121, the compression spring 122 is connected with a holding strip 123, and the holding strip 123 is in contact with the guide rail 10. When the partition door 12 is adjusted up and down, the partition door can be conveniently adjusted and can be stopped at any position.
In some alternative embodiments, the elastic portion 16 is made of rubber.
The working principle of the invention is as follows: when using, erect multistage cable testing bridge intercommunication, the tip of each section cable testing bridge is thermal-insulated, when certain section cable testing bridge temperature switch 7 senses higher temperature, then bee calling organ 8 starts, the warning staff handles, reduce the risk of cable damage, when high temperature in the cable testing bridge, temperature switch 7 opens, electric telescopic handle 23 work, it rises to drive rack 22, rack 22 drives two gears 21 and rotates, thereby it is rotatory to drive rotation axis 14, make two rotor plates 15 rotatory, it can not 15 rotatory to rotate, the gap is spilt to holding chamber 9 bottom opening, dry powder 11 falls in the gap, the cable that will cut off door 12 both sides buries, make the burning of cable can not unable the stretching, loss when reducing the cable and catching fire.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims), is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. E.g., dynamic RAMDRAM)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a fire-resistant cable testing bridge with early warning function which characterized in that: including mounting groove (1), mounting groove (1) has the heat conductivity, mounting groove (1) both ends integrated into one piece respectively have heat insulating portion (3), mounting groove (1) top is equipped with mounting plate (4), there is roof (2) through screw (5) demountable installation on mounting plate (4), the inside bottom surface of mounting groove (1) is equipped with at least one recess (6), installs temperature switch (7) in recess (6), mounting groove (1) outside is equipped with bee calling organ (8), bee calling organ (8) with temperature switch (7) electric connection.
2. The fire-resistant cable bridge with the early warning function according to claim 1, wherein the heat insulation part (3) comprises an accommodating cavity (9), the accommodating cavity (9) is opened downwards, guide rails (10) which are longitudinally distributed are arranged on the inner wall of the accommodating cavity (9), partition doors (12) are arranged on the guide rails (10) and can move up and down, two sets of rotating shafts (14) are respectively arranged on two sides of each partition door (12), rotating plates (15) are arranged on the rotating shafts (14), elastic parts (16) are respectively integrally formed on two parallel sides of each rotating plate (15) and each rotating shaft (14), the two sets of rotating plates (15) are matched with the partition doors (12) to seal the bottom opening of the accommodating cavity (9), dry powder (11) is filled in the accommodating cavity (9), and one ends of the two sets of rotating shafts (14) extend out of the heat insulation part (3), two sets of rotation axis (14) are stretched out gear (21) are installed respectively to the tip of thermal-insulated portion (3), and are two sets of the meshing is connected with rack (22) between gear (21), be equipped with installation department (17) on thermal-insulated portion (3), install electric telescopic handle (23) on installation department (17), electric telescopic handle (23) with rack (22) fixed connection, electric telescopic handle (23) shorten, dry powder (11) whereabouts, electric telescopic handle (23) with temperature switch (7) electric connection.
3. The fire-resistant cable bridge with the early warning function as claimed in claim 2, wherein two sides of the accommodating cavity (9) are respectively provided with a partition cavity (13), and a stop door (18) capable of moving up and down is installed in the partition cavity (13).
4. The fire-resistant cable bridge with the early warning function as claimed in claim 3, wherein two sides of the blocking door (18) are respectively connected with a support plate (20) through a spring (19), and the two support plates (20) respectively abut against the side wall of the partition cavity (13).
5. The fire-resistant cable bridge with the early warning function as claimed in claim 2, wherein longitudinal guide grooves (121) are formed in two end portions, close to the guide rail (10), of the partition door (12), the guide grooves (121) are matched with the guide rail (10), compression springs (122) are installed in the guide grooves (121), the compression springs (122) are connected with abutting strips (123), and the abutting strips (123) abut against the guide rail (10).
6. The fire-resistant cable bridge with the early warning function as claimed in claim 2, wherein the elastic part (16) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377881.8A CN111106577B (en) | 2019-12-27 | 2019-12-27 | Fire-resistant cable bridge with early warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377881.8A CN111106577B (en) | 2019-12-27 | 2019-12-27 | Fire-resistant cable bridge with early warning function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111106577A true CN111106577A (en) | 2020-05-05 |
| CN111106577B CN111106577B (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911377881.8A Active CN111106577B (en) | 2019-12-27 | 2019-12-27 | Fire-resistant cable bridge with early warning function |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572102A (en) * | 2021-09-28 | 2021-10-29 | 江苏翌强能源设备有限公司 | Self-falling plate heat insulation type cable bridge |
| CN113612174A (en) * | 2021-10-09 | 2021-11-05 | 南通际维机电设备有限公司 | Electromechanical device is with preventing spreading formula cable testing bridge from covering cable |
| CN114865553A (en) * | 2022-04-30 | 2022-08-05 | 江苏肖氏电气科技有限公司 | Cable bridge with early warning function |
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| JPH01107777A (en) * | 1987-10-20 | 1989-04-25 | Mitsubishi Electric Corp | Method for preventing fire spread of group cables |
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| CN207647437U (en) * | 2017-12-06 | 2018-07-24 | 怀来建军钢结构有限公司 | It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down |
| CN208890313U (en) * | 2018-09-18 | 2019-05-21 | 江苏海纬集团有限公司 | A kind of intelligent fire-proofing type bus duct |
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| CN209088464U (en) * | 2018-12-17 | 2019-07-09 | 惠州市三民实业有限公司 | A kind of cable testing bridge with fireproofing function |
| CN110474269A (en) * | 2019-08-27 | 2019-11-19 | 兰溪微云自动化科技有限公司 | It is a kind of to prevent the safe wire casing of short circuit |
| CN110665153A (en) * | 2019-08-22 | 2020-01-10 | 山东鲁昂电气有限公司 | Power cable ditch firebreak device |
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2019
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| JPH01107777A (en) * | 1987-10-20 | 1989-04-25 | Mitsubishi Electric Corp | Method for preventing fire spread of group cables |
| CN2791989Y (en) * | 2004-12-22 | 2006-06-28 | 上海合晖防火材料有限公司 | Cable groove fire-proof plugging cut-off |
| CN202495127U (en) * | 2012-04-07 | 2012-10-17 | 于法周 | Fire disaster alarming device for cable bridge |
| CN206164024U (en) * | 2016-09-12 | 2017-05-10 | 深圳市欧亚特电器设备有限公司 | Cable testing bridge that possesses alarming function |
| CN107120044A (en) * | 2017-03-23 | 2017-09-01 | 国家电网公司 | A kind of underground power cable passage Fire-proof door device |
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| CN207647437U (en) * | 2017-12-06 | 2018-07-24 | 怀来建军钢结构有限公司 | It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572102A (en) * | 2021-09-28 | 2021-10-29 | 江苏翌强能源设备有限公司 | Self-falling plate heat insulation type cable bridge |
| CN113572102B (en) * | 2021-09-28 | 2021-11-30 | 江苏翌强能源设备有限公司 | Self-falling plate heat insulation type cable bridge |
| CN113612174A (en) * | 2021-10-09 | 2021-11-05 | 南通际维机电设备有限公司 | Electromechanical device is with preventing spreading formula cable testing bridge from covering cable |
| CN114865553A (en) * | 2022-04-30 | 2022-08-05 | 江苏肖氏电气科技有限公司 | Cable bridge with early warning function |
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| Publication number | Publication date |
|---|---|
| CN111106577B (en) | 2021-01-08 |
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