CN214707645U - Combiner box capable of insulating cable cores - Google Patents

Abstract

A collecting box capable of insulating cable cores relates to the technical field of power transmission equipment and comprises a collecting box body, wherein an element fixing part is arranged in the collecting box body, the element fixing part comprises a first fixing component and a second fixing component, the first fixing component and the second fixing component are arranged side by side, an opening is formed in the lower bottom edge of the collecting box body, two sides of the opening are in a groove shape, a plurality of insulating components are further arranged on the lower bottom edge of the collecting box body and are installed in the groove of the opening, each insulating component comprises an insulating part and a sleeve, the sleeve is sleeved at the lower end of the insulating part, each insulating part comprises a left insulating wrapping part and a right insulating wrapping part, the left insulating wrapping part and the right insulating wrapping part are arranged oppositely, an installation fixing part is arranged on the back surface of the collecting box body and comprises a fixing seat, a left half clamp and a right half clamp, the left half clamp and the right half clamp are respectively installed at the left end and the right end of the fixing seat, the cable is prevented from being blown by wind and sun for a long time, the cracking phenomenon is avoided, and the installation is more convenient.

Description

Combiner box capable of insulating cable cores

Technical Field

The utility model relates to a power transmission equipment technical field, concretely relates to can be to cable core insulating treatment's collection flow box.

Background

In a solar photovoltaic power generation system, in order to reduce the use of a junction box for connecting lines between a solar photovoltaic cell array and an inverter, a user can connect a certain number of photovoltaic cells with the same specification in series to form a plurality of photovoltaic arrays, and then connect the photovoltaic arrays into the junction box in parallel;

cable core is inserting to the collection flow box after, exposes outside part because long-time wind blows the sun, will take place the phenomenon of splitting a crack, and insulating ageing causes the short circuit, and current collection flow box can't be further insulation treatment to exposing outside cable conductor, and in the collection flow box installation because the length of cable joint differs and cause the installation inconvenient, the construction degree of difficulty is big.

Disclosure of Invention

In view of the above, there is a need for a junction box that has a simple structure and is easy to install and can perform insulation treatment on cable cores.

A confluence box capable of performing insulation treatment on cable cores comprises a confluence box body, wherein an element fixing part is arranged in the confluence box body and is positioned on the front surface of the confluence box body, the element fixing part comprises a first fixing component and a second fixing component, the first fixing component and the second fixing component are arranged side by side, the lower bottom edge of the confluence box body is provided with an opening, two sides of the opening are arranged in a groove shape, the lower bottom edge of the confluence box body is also provided with a plurality of insulation components, the insulation components are arranged in the groove of the opening and can slide along the groove, the lower end of each insulation component is positioned outside the confluence box body, each insulation component comprises an insulation piece and a sleeve, the sleeve is sleeved at the lower end of the insulation piece, and the insulation piece comprises a left insulation wrapping piece and a right insulation wrapping piece, the utility model discloses a junction box, including the fixing base, the right side insulation parcel piece, the left side insulation parcel piece with the right side insulation parcel piece sets up relatively, just the through-hole is formed with right side insulation parcel piece combination to left side insulation parcel piece, the collection flow box back is provided with the installation mounting, the installation mounting can be followed collection flow box direction of height slides, the installation mounting includes fixing base, left half clamp and right half clamp install respectively in both ends about the fixing base, just left half clamp and right half clamp with the fixing base junction is articulated.

Preferably, the first fixing assembly and the second fixing assembly both comprise fixing grooves and moving clamping pieces, the fixing grooves are fixedly formed in the box body of the junction box, the moving clamping pieces are installed on the fixing grooves, and the moving clamping pieces can slide along the fixing grooves.

Preferably, the fixing groove of the first fixing component is arranged along the height direction of the combiner box body, and the fixing groove of the second fixing component is arranged along the length direction of the combiner box body.

Preferably, baffle plates are further arranged at two ends of the opening in the lower bottom edge of the box body of the junction box, can slide along two sides of the opening, and are matched with the insulating assembly to seal the opening.

Preferably, the left half clamp end and the right half clamp end are assembled together and fixed by bolts and nuts.

Preferably, a closing cover is further arranged on the box body of the confluence box.

The utility model adopts the above technical scheme, its beneficial effect lies in: the cable joint penetrates between the left insulation wrapping piece and the right insulation wrapping piece, the cable core subjected to insulation treatment is clamped by the insulation piece, then the sleeve is sleeved on the insulation piece, further insulation treatment is carried out, the insulation piece can prevent the cable core from being blown and exposed to the sun for a long time, the cracking phenomenon is avoided, and the problem of short circuit of a line caused by insulation aging is solved;

and the height of the header box can be adjusted through the mounting fixing piece, the operation is simple and convenient, and the mounting is more convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of another structure.

Fig. 3 is a front view of the present invention.

Fig. 4 is a schematic view of another structure.

In the figure: the junction box comprises a junction box body 1, an element fixing part 2, a first fixing component 21, a fixing groove 211, a moving clamping piece 212, a second fixing component 22, an insulating component 3, an insulating piece 31, a left insulating wrapping piece 311, a right insulating wrapping piece 312, a sleeve 32, a baffle plate 4, a mounting fixing piece 5, a fixing seat 51, a left half clamp 52, a right half clamp 53 and a closing cover 6.

Detailed Description

Referring to fig. 1 to 4, an embodiment of the present invention provides a combiner box capable of performing insulation treatment on cable cores, including a combiner box body 1.

The device comprises a confluence box body 1, a component fixing part 2, a first fixing component 21 and a second fixing component 22, wherein the component fixing part 2 is arranged on the front surface of the confluence box body 1, the component fixing part 2 comprises the first fixing component 21 and the second fixing component 22, the first fixing component 21 and the second fixing component 22 are arranged side by side, the lower bottom edge of the confluence box body 1 is provided with an opening, two sides of the opening are arranged in a groove shape, the lower bottom edge of the confluence box body 1 is also provided with a plurality of insulating components 3, the insulating components 3 are arranged in the groove of the opening and can slide along the groove, the lower end of each insulating component 3 is arranged outside the confluence box body 1, each insulating component 3 comprises an insulating part 31 and a sleeve 32, the sleeve 32 is sleeved at the lower end of the insulating part 31, each insulating part 31 comprises a left insulating wrapping part 311 and a right insulating wrapping part 312, the left insulating wrapping part 311 and the right insulating wrapping part 312 are arranged oppositely, and the left insulating wrapping part 311 and the right insulating wrapping part 312 are combined to form a through hole, the back of the header box body 1 is provided with an installation fixing part 5, the installation fixing part 5 can slide along the height direction of the header box body 1, the installation fixing part 5 comprises a fixing seat 51, a left half clamp 52 and a right half clamp 53, the left half clamp 52 and the right half clamp 53 are respectively installed at the left end and the right end of the fixing seat 51, and the joint of the left half clamp 52 and the right half clamp 53 with the fixing seat 51 is hinged.

The installation environment of the combiner box for photovoltaic power generation is complex, the combiner box is difficult to fix when being installed, the length of a cable connector in each place is possibly different, or the combiner box needs to be moved again because the cable connector is shortened after being maintained, so the combiner box needs to be flexibly arranged, the height can be adjusted to meet the cable connectors with different lengths, the installation fixing piece 5 is arranged on the back of the combiner box, the combiner box can be fixed through the installation fixing piece 5, and the height of the combiner box can also be adjusted;

further, the collection flow box back is provided with the slip recess, and set up along the collection flow box direction of height, and the fixing base 51 of installation fixing piece 5 sets up in the slip recess, and can slide along the slip recess, the left half 52 that presss from both sides and the right half 53 that press from both sides on fixing base 51 also slide along with fixing base 51, installation fixing piece 5 can slide along the slip recess promptly, installation fixing piece 5 is fixed the back, collection flow box accessible fixing base 51 comes height-adjusting with the removal of spout, shorten just will converge flow box height-adjusting when the cable end, otherwise then heighten, after the height of the case that converges has been adjusted, utilize the retaining member to lock fixing base 51, prevent independently to slide.

Further, the mounting fixture 5 is mainly fixed by the left half clamp 52 and the right half clamp 53, and since the left half clamp 52 and the right half clamp 53 are hinged to the fixing seat 51 and can rotate along the hinged position, the mounting fixture 5 can be fixed on the fixing pile by clamping the fixing pile by the left half clamp 52 and the right half clamp 53, so that the junction box is indirectly fixed on the fixing pile.

Since a plurality of circuit components are mounted inside the bus box and the shape and size of each circuit component are different, in order to allow all the circuit components to be mounted inside the bus box, the component fixing member 2 is provided inside the bus box, and the first fixing member 21 and the second fixing member 22 of the component fixing member 2 can be adjusted to mount different circuit components.

Further, the first fixing assembly 21 and the second fixing assembly 22 both include a fixing groove 211 and a moving clamping member 212, the fixing groove 211 is fixedly disposed in the header box body 1, the moving clamping member 212 is mounted on the fixing groove 211, and the moving clamping member 212 can slide along the fixing groove 211 and clamp the circuit elements through the two moving clamping members 212, so that different circuit elements can be clamped, and the number of the first fixing assembly 21 and the second fixing assembly 22 can be increased when a plurality of circuit elements are provided.

Further, the height of the circuit component can be adjusted by adjusting the height of the movable clamping piece 212, so that the cable connector can be conveniently connected with the circuit component.

Further, the fixing groove 211 of the first fixing member 21 is disposed along the height direction of the combiner box body 1, the fixing groove 211 of the second fixing member 22 is disposed along the length direction of the combiner box body 1, so as to prevent interference between circuit components during installation, and the first fixing member 21 and the second fixing member 22 are disposed in different directions.

Further, after the collection flow box is fixed, pass the cable conductor from insulating part 31, pass between left insulating parcel 311 and right insulating parcel 312 promptly, after cable conductor and circuit component have been connected, do insulation treatment to joint connection department and the cable part that exposes outside the collection flow box, then merge left insulating parcel 311 and right insulating parcel 312 along the recess slides and come together, live the cable conductor parcel, carry out insulation protection once more to the cable conductor, embolia sleeve 32 on insulating part 31 at last, fix left insulating parcel 311 and right insulating parcel 312 for the insulation of cable conductor joint department is ensured.

Furthermore, the baffle plates 4 are arranged at the two ends of the opening at the lower bottom edge of the box body 1 of the header box, and the baffle plates 4 can slide along the two sides of the opening and are matched with the insulating component 3 to seal the opening.

Further, because the quantity of cables connected with each confluence box is possibly different, the quantity of the insulating assemblies 3 at the bottom of the confluence box can be set according to the field condition, and each insulating assembly 3 can slide along the opening at the bottom of the confluence box and is tightly combined together, so that a gap is avoided, and the openings at two ends are blocked by the baffle plates 4, thereby not only preventing the insulating assemblies 3 from being dispersed, but also preventing sundries from entering the confluence box.

Further, the end portions of the left and right half clips 52 and 53 are fitted together and fixed by bolts and nuts.

Further, still be provided with closing cap 6 on the collection flow box 1, the collection flow box is generally installed outdoors, need set up closing cap 6, will converge flow box inside and seal, prevent that toy and rainwater from getting into and taking place the short circuit.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a can be to cable core does collection flow box of insulation treatment which characterized in that: the device comprises a confluence box body, wherein an element fixing part is arranged in the confluence box body and is positioned on the front surface of the confluence box body, the element fixing part comprises a first fixing component and a second fixing component, the first fixing component and the second fixing component are arranged side by side, the lower bottom edge of the confluence box body is provided with an opening, two sides of the opening are arranged in a groove shape, the lower bottom edge of the confluence box body is also provided with a plurality of insulating components, the insulating components are arranged in the groove of the opening and can slide along the groove, the lower end of the insulating components is positioned outside the confluence box body, the insulating components comprise insulating parts and sleeves, the sleeves are sleeved at the lower ends of the insulating parts, the insulating parts comprise a left insulating wrapping part and a right insulating wrapping part, and the left insulating wrapping part and the right insulating wrapping part are arranged oppositely, and the left insulating wrapping piece and the right insulating wrapping piece are combined to form a through hole, an installation fixing piece is arranged on the back face of the box body of the junction box, the installation fixing piece can slide in the height direction of the box body of the junction box and comprises a fixing seat, a left half clamp and a right half clamp, the left half clamp and the right half clamp are respectively installed at the left end and the right end of the fixing seat, and the joint of the left half clamp and the right half clamp with the fixing seat is hinged.

2. The combiner box of claim 1, wherein the combiner box is adapted to insulate the cable cores, and comprises: the first fixing assembly and the second fixing assembly comprise fixing grooves and moving clamping pieces, the fixing grooves are fixedly formed in the box body of the header box, the moving clamping pieces are installed on the fixing grooves, and the moving clamping pieces can slide along the fixing grooves.

3. The combiner box of claim 2, wherein the combiner box is adapted to insulate the cable cores, and comprises: the fixing groove of the first fixing assembly is arranged along the height direction of the header box body, and the fixing groove of the second fixing assembly is arranged along the length direction of the header box body.

4. The combiner box of claim 1, wherein the combiner box is adapted to insulate the cable cores, and comprises: the baffle plate can slide along the two sides of the opening and is matched with the insulating assembly to seal the opening.

5. The combiner box of claim 1, wherein the combiner box is adapted to insulate the cable cores, and comprises: the left half clamp end and the right half clamp end are assembled together and fixed by bolts and nuts.

6. The combiner box of claim 1, wherein the combiner box is adapted to insulate the cable cores, and comprises: the collection flow box body is also provided with a closed cover.

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