CN208226971U - Prevent the terminal box of encapsulating bubble - Google Patents

Abstract

The utility model provides a kind of terminal box for preventing encapsulating bubble, the terminal box for preventing encapsulating bubble includes box body, the box body surrounds to form a cavity, one bottom plate is installed in the cavity, multiple electric conductors are installed on the bottom plate, diode is connected between adjacent conductive body, inlet wire port is additionally provided on the box body, card slot is formed between the adjacent conductive body of diode ontology corresponding position, bayonet is respectively formed on the card slot both sides of the edge, the bayonet is corresponding with the root position of diode pin, limited block is respectively equipped at the pocket edges of bayonet two sides, limiting slot is formed between the limited block of bayonet two sides, the butt of the diode pin is fastened in the limiting slot, limited block on adjacent conductive body respectively with the both ends face contact of diode ontology.The utility model can reduce the gap between diode and electric conductor and bottom plate, prevent bubble and stomata around diode from generating, substantially reduce terminal box and cause component and thrashing risk.

Description

Prevent the terminal box of encapsulating bubble

Technical field

The utility model relates to a kind of terminal box, specifically a kind of terminal box for preventing encapsulating bubble belongs to the sun It can battery component technical field.

Background technique

Current photovoltaic component terminal box widely applied on the market mostly uses encapsulating type terminal box, the filling of such terminal box Glue groove internal structure and bottom structure design are complicated, and used encapsulating is usually the biggish AB glue of viscosity, so that The problem of of being detained colloid bubble and stomata, is also easy to produce in slot after such wire box encapsulating.Photovoltaic module need to expose such as high temperature, height for a long time In the external environments such as wet and rainy day, the colloid bubble and stomata being present in terminal box groove can make steam seep by box cover edge Penetrate inside, it is easy to cause the situation of wet electric leakage and short circuit.

Summary of the invention

In order to solve defect existing in the prior art, the utility model provides a kind of wiring for preventing encapsulating bubble Box simplifies the structure between electric conductor and bottom plate, reduces the gap between diode and electric conductor and bottom plate, prevents diode all Bubble generation is enclosed, terminal box is substantially reduced and causes component and thrashing risk.

According to technical solution provided by the utility model, a kind of terminal box preventing encapsulating bubble is described to prevent from producing The terminal box of raw encapsulating bubble includes box body, and the box body surrounds to form a cavity, and a bottom plate is equipped in the cavity, described Multiple electric conductors are installed on bottom plate, diode is connected between adjacent conductive body, inlet wire port is additionally provided on the box body, with Card slot is formed between the adjacent conductive body of diode ontology corresponding position, is respectively formed bayonet on the card slot both sides of the edge, The bayonet is corresponding with the root position of diode pin, and limited block is respectively equipped at the pocket edges of bayonet two sides, card Limiting slot is formed between the limited block of mouth two sides, the butt of the diode pin is fastened in the limiting slot, adjacent conductive Limited block on body respectively with the both ends face contact of diode ontology.

Further, recess, the week of the recess and diode ontology are formed at bottom plate corresponding with card slot position Face paste is closed.

Further, busbar socket is equipped in the middle part of the electric conductor.

Further, described to extend link block on the electric conductor of bottom plate two sides, cable passes through the end of incoming cables Mouth is connect with the link block.

Further, the bottom edge is equipped with convex ribs, and box body inner face is equipped with groove corresponding with the convex ribs.

Further, the convex ribs include connected limit rib and guiding rib, and the width of the limit rib prolongs in limit rib It stretches on direction unanimously, the width of the guiding rib is since the position that guiding rib is connected with limit rib along the extending direction of guiding rib It is gradually reduced.

Further, the electric conductor includes A electric conductor, B electric conductor, C electric conductor and D electric conductor, and A electric conductor, B are conductive Body, C electric conductor and D electric conductor are attached on bottom plate side by side, and the second end of A electric conductor is equipped with the connection for connecting cable Block, connects A diode between the first end of A electric conductor and the first end of B electric conductor, the second end of B electric conductor and C electric conductor B diode is connected between second end, and C diode, D electric conductor are connected between the first end of C electric conductor and the first end of D electric conductor Second end be equipped with for connecting cable link block.

It can be seen that the terminal box provided by the utility model for preventing encapsulating bubble from the above, with existing skill Art, which is compared, has following advantages: first, diode ontology can be placed in the card slot formed between adjacent conductive body, card slot side Limited block at edge can touch the end face of diode ontology, and diode pin butt can be placed in limiting slot, to reduce Gap between diode and electric conductor, so that encapsulating bubble and stomata will not be generated when encapsulating.Second, being located at recessed on bottom plate It falls into and is bonded with the circumferential surface of diode ontology, so that the gap between diode and bottom plate is reduced, so that filling will not be generated when encapsulating Glue bubble and stomata.Third, adjacent diode is located at the two of the electric conductor for connecting the diode in current path End is widened compared to distance above and below conventional terminal box diode, and the mutual temperature superimposition of diode will be greatly reduced, so as to Effectively alleviate the problem of leading to component failures because of terminal box temperature height.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the conductor construction schematic diagram of the utility model.

Fig. 3 is the structural diagram of base plate of the utility model.

Fig. 4 is the box body structure schematic diagram of the utility model.

Fig. 5 is the structure enlargement diagram of convex ribs in this Fig. 4.

1. box body, 2. cavitys, 3. bottom plates, 410.A electric conductor, 420.B electric conductor, 430.C electric conductor, 440.D electric conductor, 5. link block, 6. cables, 710.A diode, 720.B diode, 730.C diode, 8. grooves, 910.A card slot, 920.B Card slot, 930.C card slot, 10. bayonets, 11. limited blocks, 12. limiting slots, 131.A recess, 132.B recess, 133.C recess, 14. Inlet wire port, 15. convex ribs, 151. limit ribs, 152. guiding ribs, 16. busbar sockets.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and Referring to attached drawing, the utility model is further described.Wherein identical components are presented with like reference characters.It needs Illustrate, word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the side in attached drawing To.The word "inner" used and "outside" refer respectively to the direction towards or away from geometric center of specific component.

The utility model provides a kind of terminal box for preventing encapsulating bubble, wherein described to prevent as shown in Fig. 1 ~ 4 The terminal box for generating encapsulating bubble includes box body 1, and the box body 1, which surrounds, forms a cavity 2, is equipped with a bottom in the cavity 2 Plate 3 is equipped with multiple electric conductors on the bottom plate 3, diode is connected between adjacent conductive body, the electric conductor includes that A is led Electric body 410, B electric conductor 420, C electric conductor 430 and D electric conductor 440, A electric conductor 410, B electric conductor 420, C electric conductor 430 and D Electric conductor 440 is successively attached on bottom plate 3 side by side, and the second end of A electric conductor 410 is equipped with the link block for connecting cable 6 A diode 710, the second end of B electric conductor 420 are connected between the first end of 5, A electric conductors 410 and the first end of B electric conductor 420 B diode 720, the first end of C electric conductor 430 and the first end of D electric conductor 440 are connected between the second end of C electric conductor 430 Between connect C diode 730, the second end of D electric conductor 440 is equipped with the link block 5 for connecting cable 6.A electric conductor 410 First end close to the side of B electric conductor 420 be equipped with groove 8, the first end of B electric conductor 420 is close to the side of A electric conductor 410 Equipped with groove 8, the groove 8 on B electric conductor 420 is corresponding with the groove 8 on A electric conductor 410 and forms an A card slot 910, A bis- 710 ontology of pole pipe can block set in A card slot 910；The second end of B electric conductor 420 is equipped with recessed close to the side of C electric conductor 430 The second end of slot 8, C electric conductor 430 is equipped with groove 8 close to the side of B electric conductor 420, and the groove 8 and C on B electric conductor 420 is led Groove 8 on electric body 430 it is corresponding and formed a B card slot 920,720 ontology of B diode can block set in B card slot 920；C is led The first end of electric body 430 is equipped with groove 8 close to the side of D electric conductor 440, and the first end of D electric conductor 440 is close to C electric conductor 430 Side be equipped with groove 8, the groove 8 on C electric conductor 430 is corresponding with the groove 8 on D electric conductor 440 and one C card slot of formation 930, C diode, 730 ontology can block set in C card slot 930；It is respectively formed bayonet 10 on card slot both sides of the edge described above, The bayonet 10 is corresponding with the root position of diode pin, is respectively equipped with limited block at the pocket edges of 10 two sides of bayonet 11, limiting slot 12 is formed between the limited block 11 of 10 two sides of bayonet, the butt of the diode pin is fastened on the limiting slot In 12, limited block 11 on adjacent conductive body respectively with the both ends face contact of diode ontology.Diode ontology can be placed in In the card slot formed between adjacent conductive body, the limited block 11 at pocket edges can touch the end face of diode ontology, two poles Pipe pin butt can be placed in limiting slot 12, so that the gap between diode and electric conductor is reduced, so that will not when encapsulating Generate encapsulating bubble and stomata.And in current path, adjacent diode is located at the conduction for connecting the diode The both ends of body are widened compared to distance above and below conventional terminal box diode, and the mutual temperature superimposition of diode will be greatly reduced, from And it can effectively alleviate the problem of leading to component failures because of terminal box temperature height.

As shown in figure 3, being respectively formed A recess at 3 position of bottom plate corresponding with A card slot 910, B card slot 920 and C card slot 930 131, B is recessed 132 and C recess 133, A recess 131, B be recessed 132 and C recess 133 respectively with 710 ontology of A diode, B The circumferential surface of 730 ontology of 720 ontology of diode and C diode is bonded.All face pastes of recess and diode ontology on bottom plate 3 It closes, so that the gap between diode and bottom plate 3 is reduced, so that encapsulating bubble and stomata will not be generated when encapsulating.

As shown in Figure 1, be additionally provided with inlet wire port 14 on the box body 1, cable 6 pass through the inlet wire port 14 with it is described Link block 5 connects.

As shown in Fig. 2, A electric conductor 410, B electric conductor 420, C electric conductor 430 and D electric conductor 440 middle part be respectively equipped with Busbar socket 16, such structure make component bus bar closer to electric cable terminal, and connection distance is reduced, connection series connection drop It is low.

As shown in figure 3,3 edge of bottom plate is equipped with convex ribs 15,1 inner face of box body is equipped with corresponding recessed with the convex ribs 15 Slot.The convex ribs 15 include connected limit rib 151 and guiding rib 152, and the width of the limit rib 151 prolongs in limit rib 151 It stretches on direction unanimously, the width of the guiding rib 152 is since the position that guiding rib 152 is connected with limit rib 151 along guiding rib 152 extending direction is gradually reduced.When bottom plate 3 is mounted on box body 1, the small head end of guiding rib 152 is now pierced into groove, is led Bottom plate 3 can be limited to the stub end of muscle 152 in limit rib 151, prevent bottom plate 3 from falling off.

It should be understood by those ordinary skilled in the art that: the foregoing is merely specific embodiment of the utility model and , it is not intended to limit the utility model, all any modifications within the purport of the utility model, made, change equivalent replacement Into etc., it should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of terminal box for preventing encapsulating bubble, the terminal box for preventing encapsulating bubble includes box body, described Box body surrounds to form a cavity, and a bottom plate is equipped in the cavity, multiple electric conductors, adjacent conductive are equipped on the bottom plate It is connected with diode between body, inlet wire port is additionally provided on the box body, which is characterized in that with diode ontology corresponding position Adjacent conductive body between form card slot, bayonet, the bayonet and diode pin are respectively formed on the card slot both sides of the edge Root position it is corresponding, limited block, shape between the limited block of bayonet two sides are respectively equipped at the pocket edges of bayonet two sides At limiting slot, the butt of the diode pin is fastened in the limiting slot, and the limited block on adjacent conductive body is respectively with two The both ends face contact of pole pipe ontology.

2. preventing the terminal box of encapsulating bubble as described in claim 1, which is characterized in that bottom corresponding with the card slot Recess is formed at Board position, the recess is bonded with the circumferential surface of diode ontology.

3. preventing the terminal box of encapsulating bubble as described in claim 1, which is characterized in that be equipped in the middle part of the electric conductor Busbar socket.

4. preventing the terminal box of encapsulating bubble as described in claim 1, which is characterized in that the conduction positioned at bottom plate two sides Extend link block on body, cable passes through the inlet wire port and connect with the link block.

5. preventing the terminal box of encapsulating bubble as described in claim 1, which is characterized in that the bottom edge is equipped with convex Muscle, box body inner face are equipped with groove corresponding with the convex ribs.

6. preventing the terminal box of encapsulating bubble as claimed in claim 5, which is characterized in that the convex ribs include connected Limit rib and guiding rib, the width of the limit rib is consistent on limit rib extending direction, and the width of the guiding rib is from guiding The position that muscle is connected with limit rib starts to be gradually reduced along the extending direction of guiding rib.

7. preventing the terminal box of encapsulating bubble as described in claim 1, which is characterized in that the electric conductor includes that A is led Electric body, B electric conductor, C electric conductor and D electric conductor, A electric conductor, B electric conductor, C electric conductor and D electric conductor are attached to bottom plate side by side On, the second end of A electric conductor is equipped with the link block for connecting cable, the first end of A electric conductor and the first end of B electric conductor Between connect A diode, between the second end of B electric conductor and the second end of C electric conductor connect B diode, the first of C electric conductor C diode is connected between end and the first end of D electric conductor, the second end of D electric conductor is equipped with the link block for connecting cable.