CN115207849A - Intelligent explosion-proof junction box - Google Patents
Intelligent explosion-proof junction box Download PDFInfo
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- CN115207849A CN115207849A CN202210895088.2A CN202210895088A CN115207849A CN 115207849 A CN115207849 A CN 115207849A CN 202210895088 A CN202210895088 A CN 202210895088A CN 115207849 A CN115207849 A CN 115207849A
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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
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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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
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
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- Business, Economics & Management (AREA)
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention discloses an intelligent explosion-proof junction box, which belongs to the technical field of explosion-proof junction boxes, and solves the problems that when the existing explosion-proof junction box is bent and wired, a connector is easy to loosen, so that the airtightness is affected, and the existing explosion-proof junction box does not have a function of buffering and extinguishing fire at the same time; install on the rotation section of thick bamboo and rotate the connector, set up first arc wall on the junction box simultaneously, install fixed connector on a side wall of junction box, rotate simultaneously and set up the second arc wall on the section of thick bamboo, the fixed column that inserts the junction box is installed at junction box seat center, install the package of putting out a fire through setting up the side slot on the fixed column, install buffering damper on the fixed column, puncture the package of putting out a fire when buffering damper moves down, the fixed column top is rotated and is installed binding post, it is more nimble to realize explosion-proof terminal box buckle wiring through above mechanism, the safety seal of explosion-proof terminal box and the function of putting out a fire of buffering have been increased simultaneously.
Description
Technical Field
The invention relates to the technical field of explosion-proof junction boxes, in particular to an intelligent explosion-proof junction box.
Background
The three elements of the explosion are combustibles, oxidizers and ignition sources. The explosion is in the very short time, release a large amount of energy, produce high temperature, and discharge a large amount of gas, cause highly compressed chemical reaction or the change of state in the medium around, the destructiveness is extremely strong simultaneously, the cable joint that uses at some dangerous explosive environment carries out the protection connection through explosion-proof terminal box, explosion-proof terminal box plays the effect of the intercommunication of isolated inside connector lug and environment, prevent that the connector lug accident release spark from colluding to the environment in, avoid the direct and environment intercommunication of the combustible substance that the explosion constitutes, guarantee dangerous environment from a certain extent, the safety of place electric power supply.
The existing explosion-proof junction box generally adopts a fixed terminal 2-way or 3-way to carry out line lap joint, when the explosion-proof junction box is installed on some important equipment or a narrow installation platform, because the terminal of the junction box is in a fixed installation mode, the wiring requirement is often met by bending a cable when the cable needs to be changed in steering, and the cable is bent, because the lateral force is often applied to the fixed terminal (namely a connector) under the action of stress, the terminal is easy to loosen or deform after a long time, the sealing performance of the explosion-proof junction box is influenced, and the safety protection performance of the explosion-proof junction box is reduced; meanwhile, the conventional explosion-proof junction box can be additionally provided with a buffer structure for achieving the purpose of preventing impact on an internal structure, and when explosion occurs inside the junction box, the junction box has no function of effectively buffering and extinguishing fire.
Based on the problems, the invention provides an intelligent explosion-proof junction box.
Disclosure of Invention
Aiming at the problems in the technical background, the invention aims to provide an intelligent explosion-proof junction box, on one hand, through arranging a unique rotatable connector, the airtightness of the explosion-proof junction box is ensured, the adaptive angle rotation is met, the stress influence caused by wire turning is avoided, the use flexibility and the safety airtightness are increased, on the other hand, a fire extinguishing bag is released through linkage of a damping buffer mechanism, the function of extinguishing fire is realized while damping is realized, the intrinsic safety performance of the device is greatly improved, and the problems that the airtightness is influenced and the simultaneous buffering and fire extinguishing function is not realized due to the fact that the connector is easy to loosen when the existing explosion-proof junction box is bent and wired in the background technology are solved.
In order to achieve the above purpose, the invention adopts the technical scheme that:
an intelligent explosion-proof junction box comprises a junction box base and a cylindrical junction box arranged above the junction box base, wherein a box cover is arranged at the top of the junction box, and a rotating cylinder is arranged in the junction box;
a rotating connector is installed on the rotating cylinder, meanwhile, a first arc-shaped groove with a central angle of 90 degrees is arranged on the junction box, and the outer end of the rotating connector penetrates through the first arc-shaped groove;
a fixed connector is arranged on one side wall of the junction box, a second arc-shaped groove with a central angle of 90 degrees is arranged on the rotating cylinder, the inner side end of the fixed connector penetrates through the second arc-shaped groove, and the second arc-shaped groove is not overlapped with the first arc-shaped groove when the rotating cylinder rotates;
the junction box comprises a junction box base and is characterized in that a fixing column inserted into the junction box is installed at the center of the junction box base, a fire extinguishing bag is installed on the fixing column through a side groove, a buffering and damping mechanism is installed on the fixing column, the fire extinguishing bag is punctured when the buffering and damping mechanism moves downwards, and a wiring terminal is installed at the top of the fixing column in a rotating mode.
As a further description of the above technical solution:
the junction box base is provided with a cylindrical buffer groove with an upward opening, the diameter of the buffer groove is the same as the inner diameter of the cylindrical junction box, and the inner side of the junction box is provided with a first annular groove for installing the rotary cylinder.
As a further description of the above technical solution:
the first annular groove is communicated with the first arc-shaped groove, the outer diameter of the first annular groove is equal to that of the rotating cylinder, and the inner diameter of the rotating cylinder is equal to that of the junction box.
As a further description of the above technical solution:
install in the dashpot buffering damper, buffering damper contains explosion-proof board, the flexible post of multiunit and multiunit spring, the multiunit flexible post is evenly installed in the dashpot, simultaneously install on the flexible post the spring, the multiunit flexible capital portion is installed explosion-proof board bottom, install through setting up the groove in the middle part of the explosion-proof board on the fixed column.
As a further description of the above technical solution:
the top of a side groove arranged on the fixing column is flush with the top of the anti-explosion plate in a natural state, and the bottom end of the side groove is lower than the bottommost part of the anti-explosion plate in a downward sliding mode.
As a further description of the above technical solution:
the anti-explosion plate is located a sharp thorn is installed at the position above the penetrating groove, and the fire extinguishing bag is arranged in the side groove below the sharp thorn.
As a further description of the above technical solution:
sodium bicarbonate powder is filled in the fire extinguishing bag, the anti-explosion plate punctures the fire extinguishing bag in the downward moving process of the anti-explosion plate, and meanwhile the anti-explosion plate extrudes air in the buffer groove and sprays the spilled sodium bicarbonate powder into the junction box through the side groove.
As a further description of the above technical solution:
annular sealing strip is installed to the lid, simultaneously junction box top set up with the second ring channel of the identical installation of sealing strip, run through on the lid and install the multiunit bolt, the junction box top is provided with the multiunit bolt hole, the bolt inserts through the bottom the bolt hole will the lid is installed the junction box top.
As a further description of the above technical solution:
and two sides of the junction box base are arranged on the table board through fixing plates.
As a further description of the above technical solution:
the bottom of the wiring terminal (23) is rotatably installed on a rotating groove (20) formed in the top of the fixing column (17) through a rotating column (24).
Compared with the prior art, the invention has the following advantages:
(1) According to the explosion-proof junction box, the rotating connector is mounted on the rotating cylinder, the first arc-shaped groove with the central angle of 90 degrees is arranged on the junction box, the outer end of the rotating connector penetrates through the first arc-shaped groove, the fixed connector is mounted on one side wall of the junction box, the second arc-shaped groove with the central angle of 90 degrees is arranged on the rotating cylinder, the inner end of the fixed connector penetrates through the second arc-shaped groove, the second arc-shaped groove does not coincide with the first arc-shaped groove when the rotating cylinder rotates, after the cable is connected through the fixed connector and the rotating connector, the included angle between the fixed connector and the rotating connector is changed according to the wiring angle, namely the rotating cylinder is driven to rotate through the rotating connector, in the rotating process, the wiring terminal on the inner side can rotate along with buffering, the situation that the wiring is pulled to be loosened is avoided, the wiring angle of the explosion-proof junction box is more flexible, the bending stress of the cable borne by the connector is ensured, and the safety of the explosion-proof junction box is improved.
(2) According to the invention, the fixed column inserted into the junction box is installed in the center of the junction box base, the fire extinguishing bag is installed on the fixed column through the side groove, the buffering and damping mechanism is installed on the fixed column, the buffering and damping mechanism moves downwards and simultaneously punctures the fire extinguishing bag, on one hand, the buffering and damping mechanism can absorb partial energy generated by explosion, and simultaneously, the fire extinguishing bag is punctured in the sliding process, so that fire extinguishing materials in the fire extinguishing bag can spray and extinguish a fire on an explosion point in the junction box, the energy absorption buffering and energy absorption effects are achieved, and meanwhile, the fire extinguishing task is completed, and the buffering and fire extinguishing functions are achieved.
Drawings
FIG. 1 is a first perspective view provided in accordance with an embodiment of the present invention;
FIG. 2 is a second perspective view provided in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of a lid according to an embodiment of the present invention;
FIG. 4 is a perspective view of the present invention with the lid removed;
FIG. 5 is an isometric view of the rotary drum, rotary connector and blast resistant panel assembly provided by an embodiment of the present invention;
FIG. 6 is an installation perspective view of the rotary drum, rotary connector and blast resistant panel removed provided by an embodiment of the present invention;
FIG. 7 is a perspective view of the rotary drum, rotary connector, blast resistant plate and terminal provided in accordance with an embodiment of the present invention removed;
fig. 8 is a perspective view of a terminal provided in accordance with an embodiment of the present invention;
FIG. 9 is a partial perspective half-section view provided by an embodiment of the present invention;
fig. 10 is a partial perspective view of the spike attachment provided by the embodiment of the present invention.
In the figure: 1. a terminal block base; 101. a buffer tank; 2. a fixing plate; 3. a junction box; 4. a first arc-shaped slot; 5. a first annular groove; 6. a fixed connector; 7. a second annular groove; 8. a box cover; 801. bolt holes; 9. a seal strip; 10. a bolt; 11. a rotating drum; 12. a second arc-shaped slot; 13. a rotating connector; 14. an explosion-proof plate; 15. a through slot; 16. pricking by using a sharp needle; 17. fixing a column; 18. a side groove; 19. a fire extinguishing bag; 20. a rotating groove; 21. a telescopic column; 22. a spring; 23. a wiring terminal; 24. the column is rotated.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1-10, an intelligent explosion-proof junction box comprises a junction box base 1 and a cylindrical junction box 3 arranged above the junction box base 1, wherein a box cover 8 is arranged at the top of the junction box 3, the junction box base 1, the junction box 3 and the box cover 8 adopt cast aluminum alloy shells, the strength meets the requirement of explosion resistance, and a rotating cylinder 11 is arranged in the junction box 3; a rotating connector 13 is installed on the rotating cylinder 11, meanwhile, a first arc-shaped groove 4 with a central angle of 90 degrees is formed in the junction box 3, and the outer side end of the rotating connector 13 penetrates through the first arc-shaped groove 4; a fixed connector 6 is arranged on one side wall of the junction box 3, a second arc-shaped groove 12 with a central angle of 90 degrees is arranged on the rotating cylinder 11, the inner side end of the fixed connector 6 penetrates through the second arc-shaped groove 12, and the second arc-shaped groove 12 is not overlapped with the first arc-shaped groove 4 when the rotating cylinder 11 rotates; after cables are connected through a fixed connector and a rotating connector, an included angle between the fixed connector and the rotating connector is changed according to a wiring angle, a fixed column 17 inserted into a junction box 3 is installed in the center of a junction box base 1, a fire extinguishing bag 19 is installed on the fixed column 17 through a side groove 18, a buffering and damping mechanism is installed on the fixed column 17, the fire extinguishing bag 19 is punctured while the buffering and damping mechanism moves downwards, a wiring terminal 23 is installed at the top of the fixed column 17 in a rotating mode, the wiring terminal 23 is set to rotate along with the fixed column, the situation that the wire is pulled loose when the connector is rotated is avoided, the buffering and damping mechanism can absorb partial energy generated by explosion, meanwhile, the fire extinguishing bag is punctured in the sliding process, fire extinguishing materials in the fire extinguishing bag are sprayed to an explosion point in the junction box to extinguish fire, the fire extinguishing task is completed while buffering and energy absorption are achieved, and the functions of buffering and fire extinguishing are achieved.
As shown in fig. 6, the junction box base 1 is provided with a buffer groove 101 with an upward opening and a cylindrical shape, the diameter of the buffer groove 101 is the same as the inner diameter of the cylindrical junction box 3, the inner side of the junction box 3 is provided with a first annular groove 5 for installing the rotary cylinder 11, the diameter of the buffer groove 101 is the same as the inner diameter of the cylindrical junction box 3, the buffer damping mechanism can slide in the inner side conveniently, the height of the buffer damping mechanism required to be installed on the junction box base 1 is reduced, and the overall layout of the device is more compact and reasonable.
As shown in fig. 4 and 6, the first annular groove 5 is communicated with the first arc-shaped groove 4, meanwhile, the outer diameter of the first annular groove 5 is equal to the outer diameter of the rotating cylinder 11, the inner diameter of the rotating cylinder 11 is equal to the inner diameter of the junction box 3, and the outer diameter of the rotating cylinder 11 is equal to the outer diameter of the first annular groove 5, so that the rotating installation is more closed, and the phenomenon that the whole tightness is influenced by gaps when the rotating cylinder rotates is avoided.
As shown in fig. 6, 7, 9, install buffering damper in the dashpot 101, buffering damper contains explosion-proof board 14, the flexible post of multiunit 21 and multiunit spring 22, the flexible post of multiunit 21 is evenly installed in dashpot 101, install spring 22 on the flexible post 21 simultaneously, the flexible post 21 top of multiunit is installed in explosion-proof board 14 bottom, explosion-proof board 14 middle part is installed on fixed column 17 through setting up through groove 15, through setting up the flexible post of multiunit 21 and multiunit spring 22, make explosion-proof board 14's upper and lower slip more stable, further increase the absorbing stability of slip.
As shown in fig. 9, the top of the side groove 18 arranged on the fixing column 17 in a natural state is flush with the top of the anti-explosion plate 14, so that the storage space of the fire extinguishing bag 19 is closed, the influence of the line transmission waste heat of the wiring terminal 23 is reduced, meanwhile, the bottom end of the side groove 18 is lower than the bottommost part of the anti-explosion plate 14, the anti-explosion plate 14 is convenient to slide to the lowest end, the interior of the buffer groove 101 and the interior of the junction box 3 are ensured to be in a communicated state, and the fire extinguishing materials in the side groove 18 are conveniently blown to the interior of the junction box 3.
As shown in fig. 9 and 10, the anti-explosion plate 14 is provided with spikes 16 above the through groove 15, a fire extinguishing bag 19 arranged in the side groove 18 is arranged below the spikes 16, and the spikes 16 are aligned with the fire extinguishing bag 19 below, so that when the anti-explosion plate 14 moves downwards, the spikes are driven to move downwards to cut the fire extinguishing bag 19 and release fire extinguishing materials.
As shown in fig. 9 and 10, sodium bicarbonate powder is filled in the fire extinguishing bag 19, the explosion-proof plate 14 punctures the fire extinguishing bag 19 in the downward moving process of the explosion-proof plate 14, meanwhile, the explosion-proof plate 14 extrudes air in the buffer groove 101 to spray the spilled sodium bicarbonate powder into the junction box 3 through the side groove 18, so that the function of releasing fire extinguishing materials is met while buffering energy absorption is realized, the sodium bicarbonate powder is decomposed by heat to generate carbon dioxide to fill the junction box 3, the oxygen concentration in the junction box 3 is reduced, and fire is extinguished.
As shown in fig. 3, 4, annular sealing strip 9 is installed to lid 8, 3 tops of junction box set up the second ring channel 7 of the identical installation with sealing strip 9 simultaneously, run through on the lid 8 and install multiunit bolt 10, 3 tops of junction box are provided with multiunit bolt hole 801, bolt 10 inserts bolt hole 801 through the bottom and installs lid 8 at 3 tops of junction box, install in the second ring channel 7 at 3 tops of junction box through setting up annular sealing strip 9, play the purpose of isolated air on the one hand, on the other hand can avoid the water droplet to get into in the junction box 3, the waterproof and inclosed performance of structure has been increased.
As shown in fig. 1 and 2, two sides of a terminal box base 1 are mounted on a table board through fixing plates 2, and the mounting of the device is facilitated by arranging the fixing plates 2.
As shown in fig. 7 and 8, the bottom of the connection terminal 23 is rotatably installed on the rotating groove 20 arranged at the top of the fixing column 17 by setting the rotating column 24, and the connection terminal 23 is installed by setting the rotating column 24, so that the connection terminal 23 has a rotating function, and when the rotating connector 13 rotates, the pulling force generated by the cable connected to the connection terminal 23 by the angle change can be effectively reduced, and the line connection is more stable and reliable during the rotation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An intelligent explosion-proof junction box comprises a junction box base (1) and a cylindrical junction box (3) arranged above the junction box base (1), wherein a box cover (8) is arranged at the top of the junction box (3), and the intelligent explosion-proof junction box is characterized in that a rotating cylinder (11) is arranged in the junction box (3);
a rotating connector (13) is mounted on the rotating cylinder (11), a first arc-shaped groove (4) with a central angle of 90 degrees is formed in the junction box (3), and the outer side end of the rotating connector (13) penetrates through the first arc-shaped groove (4);
a fixed connector (6) is installed on one side wall of the junction box (3), meanwhile, a second arc-shaped groove (12) with a central angle of 90 degrees is formed in the rotating cylinder (11), the inner side end of the fixed connector (6) penetrates through the second arc-shaped groove (12), and the second arc-shaped groove (12) is not overlapped with the first arc-shaped groove (4) when the rotating cylinder (11) rotates;
the junction box is characterized in that a fixing column (17) inserted into the junction box (3) is installed at the center of the junction box base (1), a fire extinguishing bag (19) is installed on the fixing column (17) through a side groove (18), a buffering and damping mechanism is installed on the fixing column (17), the fire extinguishing bag (19) is punctured when the buffering and damping mechanism moves downwards, and a wiring terminal (23) is installed at the top of the fixing column (17) in a rotating mode.
2. An intelligent explosion-proof junction box according to claim 1, characterized in that the junction box base (1) is provided with a buffer groove (101) which is opened upwards and has a column shape, the diameter of the buffer groove (101) is the same as the inner diameter of the cylindrical junction box (3), and a first annular groove (5) for installing the rotary cylinder (11) is arranged on the inner side of the junction box (3).
3. An intelligent explosion-proof junction box according to claim 2, characterized in that the first annular groove (5) is communicated with the first arc-shaped groove (4), and the outer diameter of the first annular groove (5) is equal to the outer diameter of the rotating cylinder (11), and the inner diameter of the rotating cylinder (11) is equal to the inner diameter of the junction box (3).
4. An intelligent explosion-proof junction box according to claim 2, characterized in that the buffer slot (101) is provided with the buffer damping mechanism, the buffer damping mechanism comprises an explosion-proof plate (14), a plurality of groups of telescopic columns (21) and a plurality of groups of springs (22), the plurality of groups of telescopic columns (21) are uniformly installed in the buffer slot (101), the springs (22) are installed on the telescopic columns (21), the top of the plurality of groups of telescopic columns (21) are installed at the bottom of the explosion-proof plate (14), and the middle of the explosion-proof plate (14) is installed on the fixing column (17) through a through groove (15).
5. An intelligent explosion-proof junction box according to claim 4, characterized in that the top of the side groove (18) arranged on the fixing column (17) is flush with the top of the explosion-proof plate (14) in a natural state, and the bottom end of the side groove (18) is lower than the lowest part of the explosion-proof plate (14) which slides downwards.
6. An intelligent explosion-proof junction box according to claim 5, characterized in that the explosion-proof plate (14) is provided with a spike (16) above the through groove (15), and the fire extinguishing bag (19) arranged in the side groove (18) is arranged below the spike (16).
7. An intelligent explosion-proof junction box according to claim 6, wherein the fire extinguishing bag (19) is filled with sodium bicarbonate powder, the explosion-proof plate (14) punctures the fire extinguishing bag (19) during the downward movement of the explosion-proof plate (14), and simultaneously the explosion-proof plate (14) presses the air in the buffer groove (101) to spray the spilled sodium bicarbonate powder into the junction box (3) through the side groove (18).
8. An intelligent explosion-proof junction box according to claim 1, characterized in that the box cover (8) is provided with an annular sealing strip (9), a second annular groove (7) which is matched with the sealing strip (9) is arranged at the top of the junction box (3), a plurality of groups of bolts (10) are arranged on the box cover (8) in a penetrating manner, a plurality of groups of bolt holes (801) are arranged at the top of the junction box (3), and the bolts (10) are inserted into the bolt holes (801) through the bottom ends to install the box cover (8) at the top of the junction box (3).
9. An intelligent explosion-proof junction box according to claim 1, characterized in that both sides of the junction box base (1) are mounted on a table top through fixing plates (2).
10. An intelligent explosion-proof junction box according to claim 1, characterized in that the bottom of the connecting terminal (23) is rotatably mounted on a rotating groove (20) arranged at the top of the fixed column (17) through a rotating column (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210895088.2A CN115207849B (en) | 2022-07-28 | 2022-07-28 | Intelligent explosion-proof junction box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210895088.2A CN115207849B (en) | 2022-07-28 | 2022-07-28 | Intelligent explosion-proof junction box |
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| CN115207849A true CN115207849A (en) | 2022-10-18 |
| CN115207849B CN115207849B (en) | 2023-10-20 |
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| AU2018101064A4 (en) * | 2017-08-30 | 2018-08-30 | Beijing Apollo Ding Rong Solar Technology Co., Ltd. | Junction box position limiting device |
| CN208908341U (en) * | 2018-11-15 | 2019-05-28 | 上海管芃实业有限公司 | A kind of explosion-proof wiring box with safety alarm |
| CN110277761A (en) * | 2019-06-20 | 2019-09-24 | 浙江启明电力集团有限公司海缆工程公司 | A kind of sea cable buoyancy device and its application method with igniter |
| CN111682472A (en) * | 2020-06-29 | 2020-09-18 | 广东电网有限责任公司东莞供电局 | Terminal box of power distribution station |
| CN213960217U (en) * | 2020-11-03 | 2021-08-13 | 国网浙江省电力有限公司舟山供电公司 | Submarine cable monitoring device integrating radar and AIS |
| CN113131433A (en) * | 2021-04-21 | 2021-07-16 | 安徽伊法拉电气股份有限公司 | Novel cable explosion-proof box |
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| CN115207849B (en) | 2023-10-20 |
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