CN208970540U - Round wires arrangement type photovoltaic welding belt - Google Patents

Abstract

The utility model discloses a kind of round wires arrangement type photovoltaic welding belts, including circular copper core and it is wrapped in the tinning layer of copper core outer wall, the diameter of the copper core is 0.15-0.8mm, the tinning layer with a thickness of 0.005-0.05mm, the copper core is provided with the arc-shaped inner groovy axially extending along copper core in multiple sections in its outer wall, the inner groovy axially twist extends in copper core outer wall along copper core, the copper core and tinning layer collectively constitute welding matrix, the welding matrix includes matrix host and the weld part that matrix host both ends are arranged in, the section of the weld part is square, there is gradual change portion between described matrix main body and weld part, the section in the gradual change portion is crossfaded by the circle for connecting one end with matrix host connect the rectangular of one end with weld part, described matrix body outer wall is enclosed with absolutely Velum.This kind of round wires arrangement type photovoltaic welding belt has the advantages that not available for the existing products such as bend resistance ability is strong, mechanical stability is high, good insulation preformance, highly-safe, long service life.

Description

Round wires arrangement type photovoltaic welding belt

Technical field

The utility model relates to a kind of photovoltaic welding belt, especially a kind of round wires arrangement type photovoltaic welding belt.

Background technique

Photovoltaic welding belt is to apply one in solar-energy photo-voltaic cell group not only, and main function is solar energy Battery battery core in volt battery pack is electrically connected and forms a complete component, and therefore, the effect of photovoltaic welding belt is very It is important.

Existing photovoltaic welding belt is commonly flat welding, this kind of flat welding be easy to appear in application it is curved, It fractures, not only influences electric conductivity, but also welding breakage is easy to cause to leak electricity, there are security risks, also influence the use of welding Service life.

It is lacked in view of this, the purpose of this utility model is to provide a kind of new technical solutions with solving existing technology It falls into.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of round wires arrangement type photovoltaic welding belt, solves existing Having welding to be easy, bending, influence electric conductivity, service life is short, there are the technological deficiencies such as security risk.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of round wires arrangement type photovoltaic welding belt including circular copper core and is wrapped in the tinning layer of copper core outer wall, the copper The diameter of core be 0.15-0.8mm, the tinning layer with a thickness of 0.005-0.05mm, the copper core is provided with more in its outer wall The arc-shaped inner groovy axially extending along copper core in a section, the inner groovy axially twist prolong in copper core outer wall along copper core It stretches, the copper core and tinning layer collectively constitute welding matrix, and the welding matrix includes matrix host and is arranged in matrix host The section of the weld part at both ends, the weld part is square, between described matrix main body and weld part have gradual change portion, it is described gradually The section in change portion is crossfaded by the circle for connecting one end with matrix host connect the rectangular of one end with weld part, described matrix main body Outer wall is enclosed with insulating film.

As a further improvement of the above technical scheme, the weld part end is provided with welding protruding portion.

As a further improvement of the above technical scheme, thermal isolation film is enclosed with outside the insulating film.

As a further improvement of the above technical scheme, wearing layer is enclosed with outside the thermal isolation film, outside the wearing layer Surface is coated with transparent adhesive tape water layer.

As a further improvement of the above technical scheme, the wearing layer is the glass fibre as made of fiberglass braided Braiding layer.

As a further improvement of the above technical scheme, the insulating film with a thickness of 0.02-0.5mm.

The beneficial effects of the utility model are: the utility model provides a kind of round wires arrangement type photovoltaic welding belt, this kind of circle Line arrangement type photovoltaic welding belt is circular welding, is not easily broken in use, and bend resistance ability is strong, not cracky, safety Property is higher, is conducive to extend service life；In addition, the insulating film, thermal isolation film and wearing layer outside welding provide more for welding Good safeguard function, can not only promote safety, prolong the service life, and the degree that more reduction welding reflected light is shone is promoted indirectly The performance of photovoltaic cell group.

It is easy bending in short, this kind of round wires arrangement type photovoltaic welding belt solves existing welding, influences electric conductivity, using the longevity Order that short, there are the technological deficiencies such as security risk.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

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

Fig. 2 is the cut-away illustration in the direction A-A in Fig. 1.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being related in patent, not singly refer to that component directly connects, and referring to can be according to specific Performance, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each skill in the utility model creation Art feature, can be with combination of interactions, referring to Fig.1, Fig. 2 under the premise of not conflicting conflict.

A kind of round wires arrangement type photovoltaic welding belt including circular copper core 11 and is wrapped in the tinning layer 12 of 11 outer wall of copper core, The diameter of the copper core 11 is 0.15-0.8mm, the tinning layer 12 with a thickness of 0.005-0.05mm, the copper core 11 is at it Outer wall is provided with the arc-shaped inner groovy 111 axially extending along copper core 11 in multiple sections, and the inner groovy 111 is in 11 outer wall of copper core Twist extend along copper core 11 is axial, the copper core 11 and tinning layer 12 collectively constitute welding matrix 1, the welding matrix 1 includes matrix host 101 and the weld part 102 that 101 both ends of matrix host are arranged in, and the section of the weld part 102 is square, There is gradual change portion 103 between described matrix main body 101 and weld part 102, the section in the gradual change portion 103 by with matrix host The circle of 101 connection one end, which is crossfaded into, connect the rectangular of one end with weld part 102, and 101 outer wall of described matrix main body is enclosed with absolutely Velum 2.

Preferably, 102 end of weld part is provided with welding protruding portion 104.

Preferably, thermal isolation film 3 is enclosed with outside the insulating film 2.

Preferably, wearing layer 4 is enclosed with outside the thermal isolation film 3,4 outer surface of wearing layer is coated with transparent adhesive tape water layer 5。

Preferably, the wearing layer 4 is the fiberglass braided layer as made of fiberglass braided.

Preferably, the insulating film 2 with a thickness of 0.02-0.5mm.

When the utility model is embodied, the circular copper core 11 all has better bend resistance energy in all directions Power, welding, which is less prone to, to fracture；The insulating film 2, thermal isolation film 3 and wearing layer 4 provide the protection of multilayer for welding, have anti-ageing The advantages that changing, is anticreep, anti abrasive has the advantages that long service life, highly-safe in actual use.

It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention Deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.

Claims (6)

1. round wires arrangement type photovoltaic welding belt, it is characterised in that: including circular copper core (11) and be wrapped in copper core (11) outer wall Tinning layer (12), the diameter of the copper core (11) are 0.15-0.8mm, the tinning layer (12) with a thickness of 0.005-0.05mm, The copper core (11) is provided with the arc-shaped inner groovy (111) axially extending along copper core (11) in multiple sections in its outer wall, described Inner groovy (111) axially twist extends in copper core (11) outer wall along copper core (11), the copper core (11) and tinning layer (12) it collectively constitutes welding matrix (1), the welding matrix (1) includes matrix host (101) and is arranged in matrix host (101) The section of the weld part (102) at both ends, the weld part (102) is square, described matrix main body (101) and weld part (102) Between there are gradual change portion (103), the section of the gradual change portion (103) is by connecting the round gradual change of one end with matrix host (101) At the rectangular of one end is connect with weld part (102), described matrix main body (101) outer wall is enclosed with insulating film (2).

2. round wires arrangement type photovoltaic welding belt according to claim 1, it is characterised in that: weld part (102) end is set It is equipped with welding protruding portion (104).

3. round wires arrangement type photovoltaic welding belt according to claim 1, it is characterised in that: package outside the insulating film (2) There are thermal isolation film (3).

4. round wires arrangement type photovoltaic welding belt according to claim 3, it is characterised in that: package outside the thermal isolation film (3) Have wearing layer (4), wearing layer (4) outer surface is coated with transparent adhesive tape water layer (5).

5. round wires arrangement type photovoltaic welding belt according to claim 4, it is characterised in that: the wearing layer (4) is by glass Fiberglass braided layer made of fibrage.

6. round wires arrangement type photovoltaic welding belt according to claim 1, it is characterised in that: the insulating film (2) with a thickness of 0.02-0.5mm。