CN116505458A - Embedded shutoff terminal box of solar module - Google Patents
Embedded shutoff terminal box of solar module Download PDFInfo
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- CN116505458A CN116505458A CN202310522779.2A CN202310522779A CN116505458A CN 116505458 A CN116505458 A CN 116505458A CN 202310522779 A CN202310522779 A CN 202310522779A CN 116505458 A CN116505458 A CN 116505458A
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- junction box
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- 239000000843 powder Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 20
- 230000006872 improvement Effects 0.000 description 9
- 230000000670 limiting effect Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000004880 explosion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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)
- Photovoltaic Devices (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention relates to the technical field of junction boxes and discloses an embedded shutdown junction box of a solar module, which comprises a shell box body, wherein a connecting frame body is arranged in the shell box body, a fixed inner frame groove is formed in the connecting frame body, sliding connection grooves are formed in the inner wall of the shell box body, side inserting plates are arranged on two sides of the connecting frame body and used for being clamped into the sliding connection grooves, an electric power connection structure is arranged in the fixed inner frame groove, the electric power connection structure comprises an electric power connection box body, inserting sleeves, a placing inner cavity and an electric connection belt, the inserting sleeves are symmetrically arranged in the electric power connection box body, and the placing inner cavity is formed in the inserting sleeves. According to the fire extinguishing and spraying device, through the effect of the internal structure of the fire extinguishing and spraying structure, the device can realize rapid fire extinguishing and isolate flame from the root, so that the device has an extremely high-efficiency disaster protection function.
Description
Technical Field
The invention relates to the technical field of junction boxes, in particular to an embedded shutdown junction box of a solar module.
Background
In home decoration, the junction box is one of electrical auxiliary materials, because the electric wire for decoration passes through the electric wire tube, and the junction part of the electric wire tube, such as a line, is longer, or the electric wire tube needs to be turned, the junction box is used as a transition, the electric wire tube is connected with the junction box, the electric wire in the junction box is connected with the junction box, the effect of protecting the electric wire and connecting the electric wire is achieved, the junction box is used for the solar module.
However, the existing junction box generally only has the switching function of a circuit, short circuit and other accidents are inevitably caused in use, the shell is burst when the short circuit occurs, meanwhile, the combustion condition is also caused, and the corresponding response structure is lacking in the device, so that the disaster is easily and rapidly expanded to affect other structures.
Disclosure of Invention
The invention provides an embedded shutdown junction box of a solar module, which has the beneficial effect of protecting a shell, and solves the problems that the junction box in the background technology generally only has a switching function of a circuit, short circuit and other accidents are inevitably caused in use, the shell is burst when the short circuit occurs, the combustion condition is also caused, and the corresponding response structure is lacking in the device, so that the disaster is easily and rapidly enlarged to influence other structures.
The invention provides the following technical scheme: the utility model provides an embedded shut-off terminal box of solar module, includes the shell box body, the internally mounted of shell box body has the linking support body, the inside of linking support body is equipped with fixed inner frame groove, the inner wall of shell box body is equipped with the sliding connection groove, the both sides of linking support body are equipped with the side picture peg, the side picture peg is used for the card to go into in the sliding connection groove, the internally mounted of fixed inner frame groove has electric power connection structure, electric power connection structure includes electric power connection box body, grafting sleeve pipe, places inner chamber and electric connection area, the grafting sleeve pipe is installed to electric power connection box body's internal symmetry, grafting sheathed tube inside is equipped with places the inner chamber, one side of placing the inner chamber is equipped with the electric connection area, the electric connection area is used for connecting two places the inner chamber, place the internally mounted of inner chamber has the adapter sleeve body, the inside of adapter sleeve body is equipped with the grafting hole.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the inner mounting of placing the inner chamber has the structure that pops out that is located adapter sleeve body one end, pop out the structure and include side fagging, interlock inner ring, insurance line and extension spring, the side fagging has two, two install the insurance line between the side fagging, the both sides of insurance line are equipped with the interlock inner ring that is located side fagging one side, extension spring is installed in the outside of interlock inner ring.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the fire extinguishing spraying structure is characterized in that an external fixed shaft is arranged in the fire extinguishing spraying structure and comprises a plug-in shaft body, a bottom annular groove, a spiral mounting groove and a positioning groove, wherein the bottom annular groove is arranged on the outer side of the plug-in shaft body, the spiral mounting groove is formed in one end of the bottom annular groove, and the positioning groove is formed in the other end of the plug-in shaft body.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: one side of the positioning groove is provided with a placing groove, and the inner wall of the placing groove is provided with a baffle.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the utility model discloses a power connection structure, including electric power connection structure, isolation protection structure is installed to one side of electric power connection structure, isolation protection structure includes division board, protection sheet layer and connects interior pedestal, the inside of division board is equipped with the protection sheet layer, four terminal angles of division board all are equipped with and connect interior pedestal.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: including the shell box body, the internally mounted of shell box body has the connection support body, the inside of connection support body is equipped with fixed inner frame groove, the inner wall of shell box body is equipped with the sliding connection groove, the both sides of connection support body are equipped with the side picture peg, the side picture peg is used for the card to go into the sliding connection inslot, the internally mounted in fixed inner frame groove has electric power connection structure, electric power connection structure includes electric power connection box body, grafting sleeve pipe, places inner chamber and electric connection area, the grafting sleeve pipe is installed to electric power connection box body's internal symmetry, grafting sleeve pipe's inside is equipped with places the inner chamber, one side of placing the inner chamber is equipped with the electric connection area, the electric connection area is used for connecting two and places the inner chamber, the internally mounted of placing the inner chamber has the adapter sleeve body, the inside of adapter sleeve body is equipped with the grafting hole.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the inner mounting of placing the inner chamber has the structure that pops out that is located adapter sleeve body one end, pop out the structure and include side fagging, interlock inner ring, insurance line and extension spring, the side fagging has two, two install the insurance line between the side fagging, the both sides of insurance line are equipped with the interlock inner ring that is located side fagging one side, extension spring is installed in the outside of interlock inner ring.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the inside mounting of grafting hole has external fixed axle, external fixed axle includes grafting axis body, bottom ring channel, spiral mounting groove and constant head tank, the outside of grafting axis body is equipped with the bottom ring channel, the one end of bottom ring channel is equipped with the spiral mounting groove, the other end of grafting axis body is equipped with the constant head tank.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: one side of the positioning groove is provided with a placing groove, and the inner wall of the placing groove is provided with a baffle.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the utility model discloses a power connection structure, including electric power connection structure, isolation protection structure is installed to one side of electric power connection structure, isolation protection structure includes division board, protection sheet layer and connects interior pedestal, the inside of division board is equipped with the protection sheet layer, four terminal angles of division board all are equipped with and connect interior pedestal.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the inside of protection sheet layer is equipped with the storage inner chamber, the inside packing of storage inner chamber has high-pressure gas, the internally mounted of protection sheet layer has the fire extinguishing and sprays the structure, the fire extinguishing sprays the structure and includes movable section of thick bamboo, dry powder layer, protection film and sealing film, the inside packing of movable section of thick bamboo has the dry powder layer, the protection film is installed at the upper and lower both ends on dry powder layer, sealing film that is located the movable section of thick bamboo is installed to the below on dry powder layer, puncture casing is installed to the lower extreme of movable section of thick bamboo, puncture casing's inside is equipped with airflow channel, puncture casing's upper and lower both ends are equipped with the toper thorn end.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the four end angles of the isolation plate are respectively provided with a connecting inner shaft bracket, a double-outlet spring is arranged in the connecting inner shaft bracket, and friction blocks are arranged at two ends of the double-outlet spring.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the utility model discloses a power connection box, including electric power connection box, joint fixed knot constructs including movable pin, pressing pin, connection support body and supporting spring, the lower extreme of movable pin is equipped with the connection support body, the upper end of connection support body one side is equipped with the pressing pin, supporting spring is installed to the lower extreme of connection support body, the lower surface of electric power connection box one end is equipped with spacing taper pin, movable pin and spacing taper pin are used for the card in fixed inner frame inslot.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: one end of the friction block is provided with a friction thin strip which is in an annular array at the outer side of the friction block.
As an alternative to the in-line shutdown junction box of the solar module of the present invention, wherein: the side picture peg one end is equipped with the bayonet lock end, the both sides of shell box body are equipped with joint side groove, the bayonet lock end is used for the card to go into the joint side inslot.
The invention has the following beneficial effects:
1. this embedded shut-off terminal box of solar module, fire-extinguishing spraying structure can utilize the kinetic energy that the device explodes and produces, take place the cooperation with inner structure, promote the movable tube and retract, and make the toper thorn end puncture sealing film, make the inside pressure blowout of storage inner chamber to the movable tube, and will extinguish the fire and spray the inside dry powder layer blowout that exists of structure, and carry out fire extinguishing treatment, and this mechanism is the automatic triggering state, can react very first time, make the device can realize putting out a fire fast and isolate the production of flame from the root, thereby make the device possess extremely high efficient calamity safeguard function.
2. This embedded shutoff terminal box of solar module, through the cooperation of popup structure inner structure, when the electric current flows through the insurance line inside, can produce a large amount of heat in the twinkling of an eye, after the pressure value that the insurance line can bear is exceeded to the heat, make oneself fuse, lead to losing the linking medium between two interlock inner rings, thereby the effort that makes extension spring produce, direct action is in side fagging itself, it places the inner chamber inside to pop out the adapter sleeve body by side fagging again, make the device possess the fusing of external line pop out the function, and protect inner structure to avoid causing the secondary injury, avoid the accident situation to aggravate further.
3. This embedded shut-off terminal box of solar module, with the inside of external line embedding bottom ring channel, and around the inside a week of bottom ring channel, then follow the spiral orbit of spiral mounting groove, upwards extend, the inside of clamping into the constant head tank at last, form the fixed spacing of external wiring, and the diameter of external wiring is greater than the inner space of bottom ring channel and spiral mounting groove, when external line embedding bottom ring channel and spiral mounting groove are inside, the diameter size of grafting axis body then can slightly be greater than, when the grafting axis body inserts the inside of fire extinguishing spraying structure, the friction degree of multiplicable grafting axis body and fire extinguishing spraying structure diameter, and increase fastening degree by a wide margin, still possess the quick installation function of external wiring when increasing grafting axis body and fire extinguishing spraying structure fixed degree, and installation easy operation, need not extra instrument and assist, the device structure can adapt to the fixed of multiple circuit and the connection combination.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the power connection box body of the present invention.
FIG. 3 is a schematic view of a pop-up structure according to the present invention.
FIG. 4 is a schematic view of the structure of the external fixed shaft of the present invention.
Fig. 5 is a schematic structural view of the separator of the present invention.
FIG. 6 is a schematic view of the fire extinguishing spray structure of the present invention.
Fig. 7 is a partial schematic view of the present invention at a of fig. 5.
In the figure: 1. a housing case; 2. a connecting frame body; 3. a power connection structure; 31. a power connection box; 32. plugging a sleeve; 33. placing an inner cavity; 34. an electrical connection belt; 4. an isolation protection structure; 41. a partition plate; 42. a protective plate layer; 43. connecting the inner shaft bracket; 44. a double-outlet spring; 45. a friction block; 46. friction strips; 47. a storage lumen; 5. a pop-up structure; 51. side support plates; 52. engaging the inner ring; 53. a safety line; 54. an expansion spring; 6. a connecting sleeve body; 7. a fire extinguishing and spraying structure; 71. a movable cylinder; 72. a dry powder layer; 73. a protective film; 74. a sealing film; 75. an air flow channel; 76. a tapered piercing end; 77. a puncture housing; 8. externally connecting a fixed shaft; 81. a plug-in shaft body; 82. annular groove at bottom end; 83. a spiral mounting groove; 84. a positioning groove; 85. a placement groove; 86. a baffle; 9. a clamping and fixing structure; 91. a movable pin; 92. pressing the pin; 93. the connecting frame body; 94. a support spring; 95. limiting taper pins; 10. fixing the inner frame groove; 11. clamping the side groove; 12. inserting an inner hole; 13. a sliding connection groove; 14. a bayonet lock end; 15. and a side plugboard.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-7, an embedded shutdown junction box of a solar module includes a housing box body 1, a connection frame body 2 is installed in an inner portion of the housing box body 1, a fixed inner frame groove 10 is provided in an inner portion of the connection frame body 2, a sliding connection groove 13 is provided in an inner wall of the housing box body 1, side insertion plates 15 are provided on two sides of the connection frame body 2 and are used for being clamped into the sliding connection groove 13, an electric power connection structure 3 is installed in an inner portion of the fixed inner frame groove 10, the electric power connection structure 3 includes an electric power connection box body 31, a plugging sleeve 32, a placement inner cavity 33 and an electric connection belt 34, the plugging sleeve 32 is installed in an inner portion of the electric power connection box body 31 symmetrically, a placement inner cavity 33 is provided in one side of the placement inner cavity 33, an electric connection belt 34 is used for connecting the two placement inner cavities 33, a connecting sleeve 6 is installed in an inner portion of the placement inner cavity 33, and a plugging inner hole 12 is provided in an inner portion of the connecting sleeve 6.
When the conventional junction box is used for wiring, the wiring operation is usually completed in the junction box, the electric power connecting structure 3 is required to be arranged in the shell box body 1, but a plurality of electric power connecting structures 3 are combined together, so that the wiring operation is greatly influenced by a complicated circuit, the space in the junction box is narrow, the connection of the circuit is inconvenient, and the wiring operation of the device is influenced;
the external connection wire is fixed in the connecting sleeve body 6, the external connection wire is composed of a plurality of copper wires, the pop-up structure 5 can be inserted into the placing cavity 33 in the plugging sleeve 32 at the moment to complete the fixing operation of the external connection wire, meanwhile, one end of the electric connection structure 3 is clamped into the fixing inner frame groove 10, the plurality of electric connection structures 3 can be installed in the fixing inner frame groove 10 side by side, each structure is of a single circuit structure, the connecting frame body 2 is placed in the outer shell box body 1 without mutual interference, the connecting structure 3 is clamped in the sliding connection groove 13 through the side plug board 15 to form a fixed state, the electric connection structure 3 is fixedly supported, and the installation mode is adopted, so that the electric connection structure 3 can complete the wiring operation when being positioned outside the outer shell box body 1, and when the electric connection wire is installed outside the outer shell box body 1, the electric connection structure is free from the influence of space limitation and the other structures, the installation is flexible, the whole electric connection structure can be placed in the inner shell box body 1 through the connecting frame body 2 after the installation, and the complicated installation of the electric connection structure 3 can be greatly reduced.
Example 2
In this embodiment, an improvement is made on the basis of embodiment 1, specifically, referring to fig. 1-7, an ejecting structure 5 is installed in the inner portion of the accommodating cavity 33 and is located at one end of the connecting sleeve body 6, the ejecting structure 5 includes two side supporting plates 51, two engaging inner rings 52, a safety wire 53 and an expansion spring 54, the safety wire 53 is installed between the two side supporting plates 51, two engaging inner rings 52 located at one side of the side supporting plates 51 are arranged at two sides of the safety wire 53, and the expansion spring 54 is installed at the outer side of the engaging inner rings 52.
When short circuit and other conditions occur in the device, explosion and combustion can occur, and the operation of other equipment can be influenced, but the device is difficult to disconnect from an external circuit for the first time, so that the conditions are further aggravated;
when current is led into the connecting sleeve body 6 through the external circuit, then the current is transferred into one side supporting plate 51 through the connecting sleeve body 6, then the current is transferred into the safety wire 53, the safety wire 53 provides power transfer for the two side supporting plates 51, so that the current smoothly passes through the inside of the pop-up structure 5, and a large amount of heat is instantaneously generated after the current is abnormally raised to a certain pressure through the material property of the safety wire 53, and the current is fused;
after fusing, the biting structure is lacking in the biting inner ring 52, the expansion spring 54 is caused to spring outwards rapidly, the spring-open acting force acts on one end of the connecting sleeve body 6, after the connecting sleeve body 6 is impacted, the connecting sleeve body 6 is ejected out of the inner cavity 33, the external connection wire is arranged in the connecting sleeve body 6, the connecting sleeve body 6 is ejected out, the external connection wire can be ejected out together, the circuit is separated from the device, and the secondary conduction of current is avoided, so that accidents are more serious.
Through the cooperation of the inner structure of the pop-up structure 5, when current flows through the inside of the safety line 53, a large amount of heat can be instantaneously generated, when the heat exceeds the pressure value born by the safety line 53, the heat is fused, so that a connecting medium is lack between the two occlusion inner rings 52, the acting force generated by the expansion springs 54 directly acts on the side support plates 51, and then the side support plates 51 pop-up the connecting sleeve body 6 inside the inner cavity 33, so that the device has the function of fusing and popping-up the external connection line, the inner structure is protected from causing secondary injury, and further aggravation of accident conditions is avoided.
Example 3
The embodiment is an improvement made on the basis of embodiment 2, specifically, referring to fig. 1-7, an external fixing shaft 8 is installed in the fire extinguishing spraying structure 7, the external fixing shaft 8 includes a plugging shaft body 81, a bottom annular groove 82, a spiral installation groove 83 and a positioning groove 84, the bottom annular groove 82 is arranged on the outer side of the plugging shaft body 81, the spiral installation groove 83 is arranged at one end of the bottom annular groove 82, and the positioning groove 84 is arranged at the other end of the plugging shaft body 81.
In the connection of the external connection wire, one end of the external connection wire is usually inserted into the fire extinguishing spraying structure 7, but the installation is not stable enough, and the whole installation operation is difficult to match;
during installation, the external connection wire is embedded into the bottom annular groove 82, and surrounds the bottom annular groove 82 for a circle, then extends upwards along the spiral track of the spiral installation groove 83, finally is clamped into the inside of the positioning groove 84, the external connection wire is fixed and limited, the diameter of the external connection wire is larger than the inner space of the bottom annular groove 82 and the spiral installation groove 83, when the external connection wire is embedded into the bottom annular groove 82 and the inside of the spiral installation groove 83, the diameter of the external connection wire is slightly larger than the diameter of the plug-in shaft body 81, when the plug-in shaft body 81 is inserted into the fire extinguishing spraying structure 7, the friction degree of the plug-in shaft body 81 and the diameter of the fire extinguishing spraying structure 7 can be increased, the fastening degree is greatly increased, the quick installation function of the external connection wire is further provided, the installation operation is simple, no additional tool is needed, and the device structure can adapt to the fixation and connection combination of various lines.
Example 4
The present embodiment is an improvement made on the basis of embodiment 3, specifically referring to fig. 1-7, a positioning groove 85 is provided on one side of the positioning groove 84, and a blocking piece 86 is provided on the inner wall of the positioning groove 85.
When the external wire is clamped into the positioning groove 84, a limiting structure is absent, so that the positioning groove 84 is easy to fall off in the later use, and potential safety hazards are caused;
the baffle 86 has elastic effect, when the external line is clamped into the positioning groove 84, the baffle 86 is extruded inwards, after the external line is beyond one end of the baffle 86, the baffle is reset, and a limiting state is formed for the external line, when the line is required to be taken out, the line around the inside of the bottom annular groove 82 is pulled out, one end of the external line is pulled out, and the external line is pulled out along the track of the bottom annular groove 82 and the spiral mounting groove 83, so that the device has the limiting effect of the external line, the function of quick taking out is realized, the whole operation step is extremely simple, and the independent mounting operation is realized between each structure, so that the safety of the device is greatly improved.
Example 5
The present embodiment is an improvement made on the basis of embodiment 4, specifically referring to fig. 1-7, an isolation protection structure 4 is installed on one side of the power connection structure 3, the isolation protection structure 4 includes an isolation board 41, a protection board layer 42 and a connection inner shaft bracket 43, the protection board layer 42 is disposed in the isolation board 41, and the connection inner shaft bracket 43 is disposed at four end corners of the isolation board 41.
When a short circuit condition occurs in the device, explosion and combustion can be caused, and the installation mode of the power connection structure 3 is that a plurality of structures are installed in parallel, and after an accident occurs, the power connection structure can rapidly spread into other structures, so that the accident can spread;
each isolation protection structure 4 is installed between two power connection structures 3 in a penetrating mode, accidents occurring inside the power connection structures 3 can be divided through the effect of the isolation protection structures 4, when short circuits occur and explosion conditions caused by the short circuits occur, the accidents can be isolated from spreading, damages caused by the explosion are resisted, the other structures are prevented from being influenced by combustion, and accordingly isolation protection functions are provided for the device.
Example 6
The embodiment is an improvement made on the basis of embodiment 5, specifically, please refer to fig. 1-7, the inside of the protection board layer 42 is provided with a storage inner cavity 47, the inside of the storage inner cavity 47 is filled with high-pressure gas, the inside of the protection board layer 42 is provided with a fire-extinguishing spraying structure 7, the fire-extinguishing spraying structure 7 comprises a movable barrel 71, a dry powder layer 72, a protection film 73 and a sealing film 74, the inside of the movable barrel 71 is filled with a dry powder layer 72, the upper end and the lower end of the dry powder layer 72 are provided with the protection film 73, the lower end of the dry powder layer 72 is provided with the sealing film 74 positioned in the movable barrel 71, the lower end of the movable barrel 71 is provided with a puncture shell 77, the inside of the puncture shell 77 is provided with an airflow channel 75, and the upper end and the lower end of the puncture shell 77 are provided with conical puncture ends 76.
When the power connection structure 3 is internally short-circuited, a burst condition is usually generated and is accompanied by burning, and when the power connection structure 3 is short-circuited and burned, the power connection structure inevitably spreads to surrounding devices, but burns for a long time, so that the condition is extremely unstable and accidents are easily increased;
when the electric power connecting structure 3 is burst, side thrust is generated and acts on the outer side of the isolation protection structure 4, the movable cylinder 71 is pushed to extend into the protection plate layer 42, the conical piercing ends 76 at the two ends of the piercing shell 77 are of tip structures, when the movable cylinder 71 extends into the protection plate layer, the sealing film 74 is pierced through one end of the conical piercing ends 76, so that gas in the storage cavity 47 is ejected along the inner part of the gas flow channel 75 and flows into the dry powder layer 72, the gas impact pressure is larger than the supporting force born by the protection film 73, the dry powder layer 72 is pushed out, and the dry powder layer 72 is rapidly dispersed and forward spread after being ejected through the material characteristics of the dry powder layer 72 to act on a combustion area to extinguish fire;
through the effect of the internal structure of the fire-extinguishing spraying structure 7, kinetic energy generated by explosion of the device can be utilized to match with the internal structure of the fire-extinguishing spraying structure 7, a series of actions are triggered, the dry powder layer 72 existing in the fire-extinguishing spraying structure 7 is sprayed out and subjected to fire-extinguishing treatment, and the mechanism is in an automatic triggering state and can react at the first time, so that the device can quickly extinguish fire and completely isolate flame from the root, and has extremely high efficiency disaster protection function.
Example 7
The present embodiment is an improvement made on the basis of embodiment 6, specifically, referring to fig. 1-7, four end corners of the isolation plate 41 are respectively provided with a connecting inner shaft bracket 43, a double-out spring 44 is installed in the connecting inner shaft bracket 43, and friction blocks 45 are installed at two ends of the double-out spring 44.
The isolation and protection structure 4 needs to be clamped between the two power connection structures 3, but if the isolation and protection structure is directly clamped, the use of the fire extinguishing and spraying structure 7 and the installation stability of the power connection structures 3 are affected;
when the isolation protection structure 4 is located between the two power connection structures 3, the two springs 44 symmetrically push away to two sides and drive the friction blocks 45 to push out outwards, so that the friction strips 46 are propped against the outer surface of the power connection structure 3, and the two springs 44 form pushing force to two sides and friction force generated by the friction blocks 45 and the outer surface of the power connection structure 3 can provide a supporting and fixing function for the isolation protection structure 4, is flexible to install and can be directly placed in the isolation protection structure.
Example 8
The embodiment is an improvement made on the basis of embodiment 7, specifically, please refer to fig. 1-7, a clamping fixing structure 9 is installed at one end of the electric power connection structure 3, the clamping fixing structure 9 comprises a movable pin 91, a pressing pin 92, a connection frame 93 and a supporting spring 94, the lower end of the movable pin 91 is provided with the connection frame 93, the upper end of one side of the connection frame 93 is provided with the pressing pin 92, the lower end of the connection frame 93 is provided with the supporting spring 94, the lower surface of one end of the electric power connection box 31 is provided with a limiting taper pin 95, and the movable pin 91 and the limiting taper pin 95 are used for being clamped in the fixed inner frame groove 10.
The electric power connecting structure 3 is directly fixed in the fixed inner frame groove 10, so that the stability is low, and the supporting operation is difficult;
when the electric power connection structure 3 is installed, firstly, the limiting taper pin 95 is clamped at the lower end of the fixed inner frame groove 10, then the movable pin 91 is clamped at the upper end of the fixed inner frame groove 10, so that the limiting taper pin and the movable pin form a fixed clamping state, the supporting and installing operations of the device are completed, when the electric power connection structure is taken out, the movable pin 91 is driven to fall by the connection frame 93 only by pressing the pressing pin 92, the movable pin 91 is made to fade out of the clamping groove at the upper end of the fixed inner frame groove 10, the electric power connection structure 3 can be taken out, the electric power connection structure 3 can be provided with a fixed function through the cooperation of the structure, and meanwhile, the quick disassembling function can be realized, so that the installation and the disassembly of the device have high-efficiency installing functions.
Example 9
The present embodiment is explained based on embodiment 8, specifically, referring to fig. 1-7, a friction fine strip 46 is disposed at one end of the friction block 45, and the friction fine strip 46 is arranged in a ring-shaped array outside the friction block 45.
Through the effect of friction thin strip 46, set up densely in the surface of friction block 45 for when friction block 45 and the contact of electric power connection structure 3 surface, the frictional force of friction block 45 can be very big degree improvement, thereby further increase the fixed degree of device.
Example 10
The present embodiment is an improvement made on the basis of embodiment 9, specifically referring to fig. 1-7, one end of the side board 15 is provided with a bayonet lock end 14, two sides of the housing box 1 are provided with a bayonet lock side slot 11, and the bayonet lock end 14 is used for being snapped into the bayonet lock side slot 11.
Through the inside with side picture peg 15 slip card income slip joint groove 13, after bayonet lock end 14 is located joint side groove 11 position, bayonet lock end 14 then imbeds wherein, forms fixed state to side picture peg 15 and realization fixed operation, make the device can realize quick installation's function, and dismantle conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The utility model provides a solar module embedded shutoff terminal box, includes shell box body (1), its characterized in that: the internally mounted of shell box body (1) has and links up support body (2), the inside of linking support body (2) is equipped with fixed interior frame groove (10), the inner wall of shell box body (1) is equipped with sliding connection groove (13), the both sides of linking support body (2) are equipped with side picture peg (15), side picture peg (15) are used for the card to go into in sliding connection groove (13), the internally mounted of fixed interior frame groove (10) has electric power connection structure (3), electric power connection structure (3) include electric power connection box body (31), grafting sleeve pipe (32), place inner chamber (33) and electric connection area (34), grafting sleeve pipe (32) are installed to the internal symmetry of electric power connection box body (31), the inside of grafting sleeve pipe (32) is equipped with places inner chamber (33), one side of placing inner chamber (33) is equipped with electric connection area (34), electric connection area (34) are used for connecting two places inner chamber (33), the internally mounted of placing inner chamber (33) has adapter sleeve body (6), the inside of adapter sleeve body (6) is equipped with grafting hole (12).
2. The solar module in-line shutdown junction box of claim 1, wherein: the inner mounting of placing inner chamber (33) has and is located pop out structure (5) of adapter sleeve body (6) one end, pop out structure (5) include side fagging (51), interlock inner ring (52), insurance line (53) and extension spring (54), side fagging (51) have two, two install insurance line (53) between side fagging (51), the both sides of insurance line (53) are equipped with interlock inner ring (52) that are located side fagging (51) one side, extension spring (54) are installed in the outside of interlock inner ring (52).
3. The solar module in-line shutdown junction box of claim 2, wherein: the inside mounting of grafting hole (12) has external fixed axle (8), external fixed axle (8) are including grafting axis body (81), bottom ring channel (82), spiral mounting groove (83) and constant head tank (84), the outside of grafting axis body (81) is equipped with bottom ring channel (82), the one end of bottom ring channel (82) is equipped with spiral mounting groove (83), the other end of grafting axis body (81) is equipped with constant head tank (84).
4. The solar module in-line shutdown junction box of claim 3, wherein: one side of the positioning groove (84) is provided with a placing groove (85), and the inner wall of the placing groove (85) is provided with a baffle (86).
5. The solar module in-line shutdown junction box of claim 4, wherein: isolation protection architecture (4) are installed to one side of electric power connection structure (3), isolation protection architecture (4) are including division board (41), protection sheet layer (42) and connect interior pedestal (43), the inside of division board (41) is equipped with protection sheet layer (42), four terminal angles of division board (41) all are equipped with connect interior pedestal (43).
6. The solar module in-line shutdown junction box of claim 5, wherein: the inside of protection sheet layer (42) is equipped with storage inner chamber (47), the inside of storage inner chamber (47) is filled with high-pressure gas, the internally mounted of protection sheet layer (42) has fire-extinguishing and sprays structure (7), fire-extinguishing and sprays structure (7) including movable section of thick bamboo (71), dry powder layer (72), protection film (73) and sealing film (74), the inside of movable section of thick bamboo (71) is filled with dry powder layer (72), protection film (73) are installed at the upper and lower both ends on dry powder layer (72), sealing film (74) that are located movable section of thick bamboo (71) are installed to the below on dry powder layer (72), puncture casing (77) are installed to the lower extreme of movable section of thick bamboo (71), the inside of puncture casing (77) is equipped with air current passageway (75), the upper and lower both ends of puncture casing (77) are equipped with toper thorn end (76).
7. The solar module in-line shutdown junction box of claim 6, wherein: the four end angles of the isolation plate (41) are respectively provided with a connecting inner shaft bracket (43), a double-outlet spring (44) is arranged in the connecting inner shaft bracket (43), and friction blocks (45) are arranged at two ends of the double-outlet spring (44).
8. The solar module in-line shutdown junction box of claim 7, wherein: the utility model discloses a fixed electric power connection box, including electric power connection box, joint fixed knot constructs (9) are installed to one end of electric power connection structure (3), joint fixed knot constructs (9) including movable pin (91), press round pin (92), connecting support body (93) and supporting spring (94), the lower extreme of movable pin (91) is equipped with connecting support body (93), the upper end of connecting support body (93) one side is equipped with presses round pin (92), supporting spring (94) are installed to the lower extreme of connecting support body (93), the lower surface of electric power connection box (31) one end is equipped with spacing taper pin (95), movable pin (91) are used for the card in fixed interior frame groove (10) with spacing taper pin (95).
9. The solar module in-line shutdown junction box of claim 8, wherein: one end of the friction block (45) is provided with friction thin strips (46), and the friction thin strips (46) are arranged on the outer side of the friction block (45) in an annular array.
10. The solar module in-line shutdown junction box of claim 9, wherein: one end of the side plugboard (15) is provided with a clamping pin end (14), two sides of the shell box body (1) are provided with clamping side grooves (11), and the clamping pin end (14) is used for being clamped into the clamping side grooves (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310522779.2A CN116505458B (en) | 2023-05-10 | 2023-05-10 | Embedded shutoff terminal box of solar module |
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| CN202310522779.2A CN116505458B (en) | 2023-05-10 | 2023-05-10 | Embedded shutoff terminal box of solar module |
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| CN116505458B CN116505458B (en) | 2023-11-10 |
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| CN114883849A (en) * | 2022-05-19 | 2022-08-09 | 宁波明禾新能源科技有限公司 | Large-current intelligent turn-off junction box |
| CN115173809A (en) * | 2022-06-10 | 2022-10-11 | 焉耆华能光伏发电有限责任公司 | Prevent terminal box that burns out among photovoltaic power generation system |
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2023
- 2023-05-10 CN CN202310522779.2A patent/CN116505458B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203694458U (en) * | 2013-12-05 | 2014-07-09 | 徐鹏 | Fire extinguishing device for car spontaneous combustion |
| CN207868749U (en) * | 2018-01-11 | 2018-09-14 | 东莞市仓盛通讯科技有限公司 | A kind of table box with good fire protecting performance |
| CN209823339U (en) * | 2019-06-17 | 2019-12-20 | 杭州良展电子有限公司 | Flame-retardant wire harness box |
| CN215415789U (en) * | 2021-04-20 | 2022-01-04 | 广州计测检测技术股份有限公司 | Energy feedback charging and discharging test auxiliary mechanism for accurately regulating and controlling lithium battery pack |
| CN114883849A (en) * | 2022-05-19 | 2022-08-09 | 宁波明禾新能源科技有限公司 | Large-current intelligent turn-off junction box |
| CN115173809A (en) * | 2022-06-10 | 2022-10-11 | 焉耆华能光伏发电有限责任公司 | Prevent terminal box that burns out among photovoltaic power generation system |
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| CN116505458B (en) | 2023-11-10 |
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