CN113964779B - High-temperature-resistant photovoltaic cable junction box with high flame retardance - Google Patents
High-temperature-resistant photovoltaic cable junction box with high flame retardance Download PDFInfo
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- CN113964779B CN113964779B CN202111307405.6A CN202111307405A CN113964779B CN 113964779 B CN113964779 B CN 113964779B CN 202111307405 A CN202111307405 A CN 202111307405A CN 113964779 B CN113964779 B CN 113964779B
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 208000010727 head pressing Diseases 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 210000003128 head Anatomy 0.000 description 5
- 239000003566 sealing material Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
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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
- H02G15/00—Cable fittings
- H02G15/003—Filling materials, e.g. solid or fluid insulation
-
- 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
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- 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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/16—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/226—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for wires or cables, e.g. heating wires
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Cable Accessories (AREA)
- Locating Faults (AREA)
Abstract
The invention discloses a high-temperature-resistant and high-flame-retardant photovoltaic cable junction box, which belongs to the technical field of cable junction boxes, wherein a clamping rod assembly is inserted into the inner side of a square slot, a corresponding cable head is stripped, leaked out of a cable core and inserted into the inner side of an arc-shaped slat through clamping of an L-shaped clamping assembly, the cable core is inserted into two ends of a conductive connecting piece and is pressed through a cable head pressing assembly, a cable which is close to the cable core and is not stripped is fixedly pressed through a cable pressing limiting assembly, an inflation assembly is started to inflate a sealing airbag ring, the sealing airbag ring is attached to the outer side of the cable and a penetrating opening of the cable to seal and fix and limit the cable, current is detected through a current sensor when the photovoltaic cable junction box is used, and then transmitted to a central processing unit to be displayed through a display screen, and sent to a background through a wireless module to perform data acquisition and power failure alarm processing.
Description
Technical Field
The invention relates to a cable junction box, in particular to a high-temperature-resistant and high-flame-retardant photovoltaic cable junction box, and belongs to the technical field of cable junction boxes.
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, the junction part (such as a longer line or a corner of the electric wire tube) of the electric wire tube is used as a transition, the electric wire tube is connected with the junction box, and the electric wire in the junction box is connected to protect the electric wire and connect the electric wire, so that the junction box is the junction box.
The cable junction boxes used for photovoltaic cable connection in the prior art are still common market general junction boxes, and conventional junction boxes are not suitable for photovoltaic cables which are long-term outside and need to be monitored for the condition of stored electric energy:
the cable junction box in the first prior art cannot stabilize the rear part of the cable terminal, and the photovoltaic cable positioned outside easily shakes under strong wind to cause the problem of disconnection or loosening of the connector;
the cable junction box in the second prior art has no function of detecting current, and the function is single, so that the cable junction box is not applicable to a photovoltaic cable needing to continuously monitor electric energy;
the cable junction box in the third prior art adopts rubber ring sealing on the sealing, the rubber ring sealing is easy to age for a long time when in use, in addition, the rubber ring sealing is time-consuming and labor-consuming when in disassembly, and the rubber ring has poor fitting property and can not have auxiliary fixing function on the cable, so that the function is single;
the fourth prior art cable junction box is characterized in that screw pressing is adopted for pressing the joints of the cables, and the screw pressing is easy to deform and damage the cable cores due to rotation pressing for the cable ends without junction noses;
the photovoltaic cable junction box with high temperature resistance and high flame retardance is designed for the purpose of optimizing the problems.
Disclosure of Invention
The invention mainly aims to provide a photovoltaic cable junction box with high temperature resistance and high flame retardance, wherein a clamping rod assembly is inserted into the inner side of a square slot, a corresponding cable head is stripped, leaked out of a cable core and inserted into the inner side of an arc-shaped slat through clamping of an L-shaped clamping assembly, the cable core is inserted into two ends of a conductive connecting piece and is pressed through a cable head pressing assembly, a cable which is close to the cable core and is not stripped is fixedly pressed through a cable head pressing limiting assembly, an inflation assembly is started to inflate a sealing airbag ring, the sealing airbag ring is attached to the outer side of the cable and a through opening to seal and fix and limit the cable, current is detected through a current sensor when the photovoltaic cable junction box is used, and then the photovoltaic cable junction box is transmitted to a central processing unit to be displayed through a display screen, and is sent to a background through a wireless module to perform data acquisition and power failure alarm processing.
The aim of the invention can be achieved by adopting the following technical scheme:
the utility model provides a high temperature resistant and have photovoltaic cable terminal box of high fire resistance, including the cable junction box, one side at cable junction box top articulates there is articulated apron, the through-hole has been seted up to the equidistant both sides of cable junction box, the inboard that is located the through-hole is fixed with the arc slat, the top of arc slat is equipped with cable and presses and hold spacing module, the equidistant base that is equipped with in the interior bottom of cable junction box, and square slot has been seted up at the top middle part of base, one side of base is equipped with the L type clamping component that runs through to square slot in, the clamping bar subassembly has been inserted to the inboard of square slot, insulating frame subassembly is installed at the top of this clamping bar subassembly, conductive connection spare is installed at the top of insulating frame subassembly, and be located the top both sides of conductive connection spare and be equipped with cable head pressure and hold the subassembly, the interior bottom of cable junction box and the outside cover that is located the arc slat are equipped with current sensor, the outside of articulated apron is equipped with the display screen, and the inside of display screen is built-in to have central processing unit and wireless module, this central processing unit and current sensor, display screen and wireless module electric connection, the arc inner wall that is located inside the cable junction box pastes sealing ring, and sealing connection has the gasbag subassembly.
Preferably, the cable pressing limiting assembly comprises a first pressing screw rod, an inner pressing arc plate and a first rotary disc, wherein the first pressing screw rod is engaged with the cable connecting box in a penetrating manner at the top of the arc-shaped strip plate, the first rotary disc is installed at one end of the first pressing screw rod, which is located at the inner side of the arc-shaped strip plate, and the inner pressing arc plate is installed at the bottom of the first rotary disc.
Preferably, sponge layers are paved at the bottom of the inner pressing arc-shaped plate and the inner bottom of the arc-shaped slat, the classifying sheet placement side bin is arranged at the outer side of the cable connection box and below the arc-shaped slat, and the isolating plate is arranged at the inner bottom of the cable connection box and between the bases.
Preferably, the L-shaped clamping component comprises an L-shaped clamping plate, a limiting spring, a sliding plate and a hollow limiting bin, wherein the hollow limiting bin is formed in one side of the base, the L-shaped clamping plate is arranged on the inner side of the hollow limiting bin in a penetrating mode, one end of the L-shaped clamping plate () is inserted into the inner side of the square slot (), the other end of the L-shaped clamping plate () penetrates through the outer side of the base (), the sliding plate is arranged on the outer side of the L-shaped clamping plate and positioned on the inner side of the hollow limiting bin, the limiting spring is arranged on the outer side of the sliding plate, and the other end of the limiting spring is fixed on the inner wall of the hollow limiting bin.
Preferably, the clamping rod assembly comprises a supporting inserting rod and a side inserting groove, the supporting inserting rod is inserted into the inner side of the square inserting groove, the side inserting groove matched with the end part of the L-shaped clamping plate is formed in one side of the supporting inserting rod, and the insulating frame assembly is mounted at the top of the supporting inserting rod.
Preferably, the insulating frame assembly comprises an insulating support frame and an arc insulating buffer frame, the insulating support frame is arranged at the top of the supporting inserted rod, the arc insulating buffer frames are arranged at two sides of the top of the insulating support frame, and the top of the arc insulating buffer frame is provided with the conductive connecting piece.
Preferably, the conductive connecting piece comprises a cable connecting piece, a cable slot and square penetrating grooves, the cable slots are formed in two ends of the cable connecting piece, the square penetrating grooves penetrating to the inner sides of the cable slots are formed in two ends of the top of the cable connecting piece, and the cable connecting piece is mounted on the top of the arc-shaped insulating buffer frame.
Preferably, the cable head pressing and holding assembly comprises a portal frame, a second pressing and holding screw rod, a second rotary disc, a cable head pressing and holding block and a cable head pressing and holding cone, wherein the portal frame is installed at two ends of the top of the cable connecting piece, the second pressing and holding screw rod is penetrated and meshed in the middle of the top of the portal frame, the second rotary disc is installed at the bottom of the second pressing and holding screw rod, the cable head pressing and holding block is installed at the bottom of the second rotary disc, the cable head pressing and holding cone is arranged at the top of the cable head pressing and holding block at equal intervals, and the cable head pressing and holding block and the cable head pressing and holding cone are inserted into the inner side of the square penetrating groove.
Preferably, the inflation assembly comprises an air duct, an air pump and connecting pipes, the air duct is laid at the inner bottom of the cable connection box, one end of the air duct penetrates through the cable connection box to be communicated with the air pump, the top of the air duct is communicated with a plurality of groups of connecting pipes, and the connecting pipes penetrate through the arc-shaped strip plates to be communicated with the sealing air bag ring.
Preferably, the cover plate inserting piece is installed at the middle part of the inner side top of the hinged cover plate, the cover plate inserting slot is formed in the middle part of the top side of the cable connection box, the cover plate inserting piece is inserted into the inner side of the cover plate inserting slot, the third pressing screw rod penetrating through the cover plate inserting slot is arranged at the middle part of the outer side top of the cable connection box, one end of the third pressing screw rod located at the inner side of the cover plate inserting slot is matched with the cover plate inserting piece, and the cable connection box and the hinged cover plate are made of high-flame-retardant high-temperature-resistant materials.
The beneficial technical effects of the invention are as follows:
the invention provides a high-temperature-resistant and high-flame-retardant photovoltaic cable junction box, which is characterized in that a clamping rod assembly is inserted into the inner side of a square slot, a corresponding cable head is stripped, leaked out of a cable core and inserted into the inner side of an arc-shaped slat through the clamping of an L-shaped clamping assembly, the cable core is inserted into two ends of a conductive connecting piece and is pressed through a cable head pressing assembly, a cable which is close to the cable core and is not stripped is fixedly pressed through a cable pressing limiting assembly, an inflation assembly is started to inflate a sealing airbag ring, the sealing airbag ring is attached to the outer side of the cable and a penetrating opening to seal and fix and limit the cable, current is detected through a current sensor when the photovoltaic cable junction box is used, the cable junction box is transmitted to a central processing unit to be displayed through a display screen, and is sent to a background through a wireless module to perform data acquisition and power failure alarm processing.
Drawings
FIG. 1 is a schematic perspective view of a first view of the whole device of a preferred embodiment of a photovoltaic cable junction box with high temperature resistance and high flame retardance according to the present invention;
FIG. 2 is a schematic view of the overall second perspective of the device of a preferred embodiment of a high temperature resistant and high flame retardant photovoltaic cable junction box according to the present invention;
FIG. 3 is a perspective view of a third view of the entire apparatus of a preferred embodiment of a photovoltaic cable junction box with high temperature resistance and high flame retardancy according to the present invention;
FIG. 4 is a schematic perspective view of a cable connector according to a preferred embodiment of a photovoltaic cable junction box with high temperature resistance and high flame retardancy according to the present invention;
FIG. 5 is a schematic perspective view of a cable terminal block according to a preferred embodiment of a photovoltaic cable terminal block of the present invention that is high temperature resistant and has high flame retardancy;
FIG. 6 is a schematic view of an airbag seal assembly of a preferred embodiment of a photovoltaic cable junction box that is high temperature resistant and has high flame retardancy in accordance with the present invention;
fig. 7 is a side cross-sectional view of a cable connector retention assembly of a preferred embodiment of a photovoltaic cable junction box having high temperature resistance and high flame retardancy in accordance with the present invention.
In the figure: the cable connector comprises a 1-cable connecting box, a 2-arc-shaped slat, a 3-first clamping screw, a 4-hinged cover plate, a 5-display screen, a 6-air duct, a 7-cover plate slot, an 8-current sensor, a 9-cable connector, a 10-base, an 11-cover plate inserting piece, a 12-square slot, a 13-L-shaped clamping plate, a 14-isolation plate, a 15-insulating support frame, a 16-arc-shaped insulating buffer frame, a 17-square through slot, a 18-portal frame, a 19-second clamping screw, a 20-supporting inserting rod, a 21-cable head clamping block, a 22-second turntable, a 23-cable head clamping cone, a 24-cable slot, a 25-air pump, a 26-third clamping screw, a 27-classifying sheet placing side bin, a 28-internal clamping arc-shaped plate, a 29-through opening, a 30-sealing air bag ring, a 31-connecting pipe, a 32-hollow limit bin, a 33-sliding plate, a 34-limit spring and a 35-side slot.
Detailed Description
In order to make the technical solution of the present invention more clear and obvious to those skilled in the art, the present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-7, the photovoltaic cable junction box with high temperature resistance and high flame retardance provided by the embodiment comprises a cable junction box 1, wherein one side of the top of the cable junction box 1 is hinged with a hinged cover plate 4, two sides of the cable junction box 1 are provided with through holes 29 at equal intervals, an arc-shaped slat 2 is fixed on the inner side of the through holes 29, the top of the arc-shaped slat 2 is provided with a cable pressing limiting component, the inner bottom of the cable junction box 1 is provided with a base 10 at equal intervals, a square slot 12 is formed in the top middle of the base 10, one side of the base 10 is provided with an L-shaped clamping component penetrating into the square slot 12, the inner side of the square slot 12 is inserted with a clamping rod component, the top of the clamping rod component is provided with an insulating frame component, the top of the insulating frame component is provided with a conductive connecting piece, two sides of the top of the conductive connecting piece are provided with cable head pressing components, the inner bottom of the cable junction box 1 and the outer side of the arc-shaped slat 2 are sleeved with a current sensor 8, the outer side of the hinged cover plate 4 is provided with a display screen 5, a central processing unit and a wireless sensor are arranged in the inner side of the display screen 5, the central processing unit and the wireless sensor module are connected with the cable sealing ring 1, the air bag is connected with the air bag 1 through the sealing ring 30, and the air bag sealing component is connected with the air bag 1 through the air bag sealing material, and the air bag 1 is sealed with the air bag sealing component, and the air bag sealing material is formed by adopting the sealing material 30.
The clamping rod assembly is inserted into the inner side of the square slot 12, the corresponding cable head is stripped to leak a cable core and is inserted into the inner side of the arc-shaped slat 2 through the L-shaped clamping assembly clamping position, the cable core is inserted into the two ends of the conductive connecting piece and is pressed and held through the cable head pressing and holding assembly, the cables which are close to the cable core and are not stripped are fixedly pressed and held through the cable head pressing and holding limiting assembly, the inflation assembly is started to inflate the sealing airbag ring 30, the sealing airbag ring 30 is attached to the outer side of the cables and the through hole 29 to seal and fix and limit the cables, current is detected through the current sensor 8 when the sealing airbag ring is used, and then the sealing airbag ring is transmitted to the central processing unit to be displayed through the display screen 5, and is sent to the background through the wireless module to perform data acquisition and power failure alarm processing.
In this embodiment, the cable pressing limiting component includes a first pressing screw 3, an inner pressing arc plate 28 and a first rotary disc, the first pressing screw 3 is engaged with the cable connection box 1 in a penetrating manner at the top of the arc-shaped slat 2, the first rotary disc is mounted at one end of the first pressing screw 3 located at the inner side of the arc-shaped slat 2, and the inner pressing arc plate 28 is mounted at the bottom of the first rotary disc.
The first rotating disc is adjusted by rotating the first pressing screw 3, and the cable is fixed by pressing the cable by the pressing arc plate 28 under the driving of the first rotating disc.
In this embodiment, the sponge layer is laid on both the bottom of the inner pressing arc plate 28 and the inner bottom of the arc-shaped lath 2, the sorting piece placing side bin 27 is installed on the outer side of the cable connection box 1 and below the arc-shaped lath 2, and the partition plate 14 is installed on the inner bottom of the cable connection box 1 and between the bases 10.
The function of protecting the outside of the cable is achieved by laying a sponge layer on the bottom of the inner holding arc plate 28 and the inner bottom of the arc-shaped slat 2, the function of marking different cables is achieved by installing a classifying sheet placing side bin 27 on the outside of the cable connection box 1 and below the arc-shaped slat 2, and the function of isolating different conductive connecting pieces is achieved by installing a isolating plate 14 on the inner bottom of the cable connection box 1 and between the bases 10.
In this embodiment, the L-shaped clamping component comprises an L-shaped clamping plate 13, a limiting spring 34, a sliding plate 33 and a hollow limiting bin 32, wherein the hollow limiting bin 32 is formed in one side of the base 10, the L-shaped clamping plate 13 is arranged on the inner side of the hollow limiting bin 32 in a penetrating mode, one end of the L-shaped clamping plate (13) is inserted into the inner side of the square slot (12), the other end of the L-shaped clamping plate (13) penetrates through the outer side of the base (10), the sliding plate 33 is arranged on the outer side of the L-shaped clamping plate 13 and located on the inner side of the hollow limiting bin 32, the limiting spring 34 is arranged on the outer side of the sliding plate 33, and the other end of the limiting spring 34 is fixed on the inner wall of the hollow limiting bin 32.
One end of the L-shaped clamping plate 13 is inserted into the side slot 35 and is matched with the limit of the limit spring 34, so that the function of clamping the support inserting rod 20 is realized.
In this embodiment, the clamping rod assembly includes a supporting inserting rod 20 and a side inserting groove 35, the supporting inserting rod 20 is inserted into the inner side of the square inserting groove 12, the side inserting groove 35 matched with the end portion of the L-shaped clamping plate 13 is formed in one side of the supporting inserting rod 20, and the insulating frame assembly is mounted on the top of the supporting inserting rod 20.
In this embodiment, the insulating frame assembly includes an insulating support frame 15 and an arc-shaped insulating buffer frame 16, the insulating support frame 15 is installed at the top of the supporting insertion rod 20, the arc-shaped insulating buffer frames 16 are installed at both sides of the top of the insulating support frame 15, and the conductive connecting member is installed at the top of the arc-shaped insulating buffer frame 16.
The insulating support 15 and the arc-shaped insulating buffer frame 16 are made of high-insulation materials.
In this embodiment, the conductive connecting piece includes cable connecting piece 9, cable slot 24 and square through groove 17, cable slot 24 has been seted up at the both ends of cable connecting piece 9, square through groove 17 that runs through to cable slot 24 inboard has been seted up at the both ends at cable connecting piece 9 top, cable connecting piece 9 installs on the top of arc insulating buffer frame 16, cable head pressure holds the subassembly and includes portal frame 18, second pressure holds screw rod 19, second carousel 22, cable head pressure holds piece 21 and cable head pressure and holds awl 23, portal frame 18 is installed at the both ends at cable connecting piece 9 top, the top middle part of portal frame 18 runs through the meshing has second pressure to hold screw rod 19, second carousel 22 is installed to the bottom of second pressure to hold screw rod 19, cable head pressure holds piece 21 is installed to the bottom of second carousel 22, cable head pressure holds piece 21's top equidistant cable head pressure and holds awl 23, cable head pressure holds piece 21 and inserts to square through groove 17 inboard.
The cable core is inserted into the inner side of the cable slot 24, then the second pressing screw 19 is rotated to drive the second rotary table 22, and the cable head pressing block 21 and the cable head pressing cone 23 are pressed by the second rotary table 22 to enter the inner side of the square through groove 17 to press the cable core.
In this embodiment, the inflation assembly includes an air duct 6, an air pump 25 and a connecting pipe 31, the air duct 6 is laid at the inner bottom of the cable connection box 1, one end of the air duct 6 is communicated with the air pump 25 through the cable connection box 1, the top of the air duct 6 is communicated with a plurality of groups of connecting pipes 31, and the connecting pipes 31 are communicated with the sealing air bag ring 30 through the arc-shaped lath 2.
The air pump 25 is started to carry out inflation sealing on the sealing air bag ring 30 through the air guide pipe 6 and the connecting pipe 31.
In this embodiment, the cover plate insert 11 is mounted in the middle of the inner side top of the hinged cover plate 4, the cover plate slot 7 is formed in the middle of the top side of the cable connection box 1, the cover plate insert 11 is inserted into the inner side of the cover plate slot 7, the third pressing screw 26 penetrating through the cover plate slot 7 is arranged in the middle of the outer side top of the cable connection box 1, one end of the third pressing screw 26 located in the inner side of the cover plate slot 7 is matched with the cover plate insert 11, and the cable connection box 1 and the hinged cover plate 4 are made of high-flame-retardant high-temperature-resistant materials.
The high flame-retardant high-temperature resistance of the cable connecting box 1 and the hinged cover plate 4 to the sheath is improved, and the photovoltaic cable connecting box is more suitable for protecting and connecting photovoltaic cables.
The above is merely a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present invention within the scope of the present invention disclosed in the present invention.
Claims (3)
1. A photovoltaic cable junction box resistant to high temperature and high in flame retardance is characterized in that: comprises a cable connection box (1), one side at the top of the cable connection box (1) is hinged with a hinged cover plate (4), two sides of the cable connection box (1) are provided with through holes (29) at equal intervals, the inner sides of the through holes (29) are fixedly provided with arc-shaped battens (2), the top of the arc-shaped battens (2) is provided with a cable pressing limiting component, the inner bottom of the cable connection box (1) is provided with a base (10) at equal intervals, a square slot (12) is formed in the top middle part of the base (10), one side of the base (10) is provided with an L-shaped clamping component penetrating into the square slot (12), the inner side of the square slot (12) is inserted with a clamping rod component, the top of the clamping rod component is provided with an insulating frame component, the top of the insulating frame component is provided with a conductive connecting piece, two sides at the top of the conductive connecting piece are provided with cable head pressing components, the inner bottom of the cable connection box (1) and the outer side of the arc-shaped battens (2) are sleeved with a current sensor (8), the outer side of the hinged cover plate (4) is provided with a display screen (5), a central processor and the display screen (5) is internally provided with a wireless processor and a wireless processor (30) which is connected with the wireless processor and the wireless processor (1), the wireless processor (30) and the wireless processor is electrically connected with the wireless sensor (2), the sealing air bag ring (30) is connected with an inflation assembly;
the cable pressing limiting assembly comprises a first pressing screw (3), an inner pressing arc-shaped plate (28) and a first rotary table, wherein the first pressing screw (3) is penetrated and meshed at the top of the arc-shaped slat (2) on the outer side of the cable connection box (1), the first rotary table is installed at one end of the first pressing screw (3) on the inner side of the arc-shaped slat (2), and the inner pressing arc-shaped plate (28) is installed at the bottom of the first rotary table;
sponge layers are paved at the bottom of the inner holding arc plate (28) and the inner bottom of the arc-shaped slat (2), a classifying sheet placing side bin (27) is arranged at the outer side of the cable connection box (1) and below the arc-shaped slat (2), and a partition plate (14) is arranged at the inner bottom of the cable connection box (1) and between the bases (10);
the L-shaped clamping component comprises an L-shaped clamping plate (13), a limiting spring (34), a sliding plate (33) and a hollow limiting bin (32), wherein the hollow limiting bin (32) is formed in one side of the base (10), the L-shaped clamping plate (13) is arranged on the inner side of the hollow limiting bin (32) in a penetrating mode, one end of the L-shaped clamping plate (13) is inserted into the inner side of the square slot (12), the other end of the L-shaped clamping plate (13) penetrates through the outer side of the base (10), the sliding plate (33) is arranged on the outer side of the L-shaped clamping plate (13) and positioned on the inner side of the hollow limiting bin (32), the limiting spring (34) is arranged on the outer side of the sliding plate (33), and the other end of the limiting spring (34) is fixed on the inner wall of the hollow limiting bin (32);
the clamping rod assembly comprises a supporting inserting rod (20) and a side inserting groove (35), the supporting inserting rod (20) is inserted into the inner side of the square inserting groove (12), the side inserting groove (35) matched with the end part of the L-shaped clamping plate (13) is formed in one side of the supporting inserting rod (20), and the top of the supporting inserting rod (20) is provided with an insulating frame assembly;
the insulating frame assembly comprises an insulating supporting frame (15) and an arc-shaped insulating buffer frame (16), the insulating supporting frame (15) is installed at the top of the supporting inserted rod (20), the arc-shaped insulating buffer frames (16) are installed at two sides of the top of the insulating supporting frame (15), and the conductive connecting piece is installed at the top of the arc-shaped insulating buffer frame (16);
the conductive connecting piece comprises a cable connecting piece (9), a cable slot (24) and square penetrating grooves (17), the cable slot (24) is formed in two ends of the cable connecting piece (9), the square penetrating grooves (17) penetrating to the inner side of the cable slot (24) are formed in two ends of the top of the cable connecting piece (9), and the cable connecting piece (9) is mounted on the top of the arc-shaped insulating buffer frame (16);
the cable head pressing and holding assembly comprises a portal frame (18), a second pressing and holding screw (19), a second rotary disc (22), a cable head pressing and holding block (21) and a cable head pressing and holding cone (23), wherein the portal frame (18) is installed at two ends of the top of a cable connecting piece (9), the second pressing and holding screw (19) is meshed in a penetrating mode in the middle of the top of the portal frame (18), the second rotary disc (22) is installed at the bottom of the second pressing and holding screw (19), the cable head pressing and holding block (21) is installed at the bottom of the second rotary disc (22), the cable head pressing and holding cone (23) is arranged at the top of the cable head pressing and holding block (21) at equal intervals, and the cable head pressing and holding block (21) and the cable head pressing and holding cone (23) are inserted into the inner side of the square penetrating groove (17).
2. The high temperature resistant and high flame retardant photovoltaic cable junction box of claim 1, wherein: the inflation assembly comprises an air duct (6), an air pump (25) and a connecting pipe (31), the air duct (6) is paved at the inner bottom of the cable connection box (1), one end of the air duct (6) penetrates through the cable connection box (1) to be communicated with the air pump (25), the top of the air duct (6) is communicated with a plurality of groups of connecting pipes (31), and the connecting pipes (31) penetrate through the arc-shaped strip plates (2) to be communicated with the sealing air bag ring (30).
3. A high temperature resistant and highly flame retardant photovoltaic cable junction box according to claim 2, wherein: the inboard top mid-mounting of articulated apron (4) has apron inserted sheet (11), apron slot (7) have been seted up in cable junction box (1) topside middle part department, the inboard of apron inserted sheet (11) to apron slot (7) is equipped with in the middle part of the outside top of cable junction box (1) and runs through to the third of apron slot (7) and hold screw rod (26), and the third is held screw rod (26) and is located the inboard one end of apron slot (7) and apron inserted sheet (11) and mutually support, cable junction box (1) and articulated apron (4) all adopt high fire-retardant high temperature resistant material preparation.
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| CN202111307405.6A CN113964779B (en) | 2021-11-05 | 2021-11-05 | High-temperature-resistant photovoltaic cable junction box with high flame retardance |
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| CN202111307405.6A CN113964779B (en) | 2021-11-05 | 2021-11-05 | High-temperature-resistant photovoltaic cable junction box with high flame retardance |
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| CN206332400U (en) * | 2016-12-01 | 2017-07-14 | 永固集团股份有限公司 | A kind of Wire branch box |
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| IT201800001513A1 (en) * | 2018-01-19 | 2019-07-19 | Vimar Spa | WALL MOUNTABLE JUNCTION BOX FOR ELECTRICAL SYSTEMS |
| CN209562088U (en) * | 2019-04-29 | 2019-10-29 | 山东鑫昊电力装备科技有限公司 | A kind of wire fixing structure in terminal box |
| CN210120284U (en) * | 2019-08-09 | 2020-02-28 | 福建成丰电力工程有限公司 | Cable connection protector for power engineering |
| CN211745097U (en) * | 2020-04-24 | 2020-10-23 | 张娟 | Electrical box for electrical engineering |
| CN212304683U (en) * | 2020-06-10 | 2021-01-05 | 鸿腾科技有限公司 | Road construction cable protection device |
| CN111786336A (en) * | 2020-06-10 | 2020-10-16 | 广州众维教育科技有限公司 | Modularization assembled computer lab pipeline construction equipment |
| CN212850415U (en) * | 2020-07-18 | 2021-03-30 | 环宇光伏科技(常州)有限公司 | Junction box for photovoltaic fittings |
| CN212874777U (en) * | 2020-09-06 | 2021-04-02 | 合肥东光电子技术有限公司 | Cable connection assembly |
| CN214069457U (en) * | 2020-12-31 | 2021-08-27 | 大连电力勘察设计院有限公司 | Prefabricated 66 KV cable T-connection container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206332400U (en) * | 2016-12-01 | 2017-07-14 | 永固集团股份有限公司 | A kind of Wire branch box |
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Denomination of invention: A high temperature resistant and flame retardant photovoltaic cable junction box Granted publication date: 20230516 Pledgee: Gaogou Branch of Anhui Wuwei Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI DUJIANG CABLE GROUP Co.,Ltd. Registration number: Y2024980000062 |
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