CN203509276U

CN203509276U - Cooling device for welded solar cell panel

Info

Publication number: CN203509276U
Application number: CN201320531993.6U
Authority: CN
Inventors: 李恒
Original assignee: Hengshui Yingli New Energy Co Ltd
Current assignee: Hengshui Yingli New Energy Co Ltd
Priority date: 2013-08-29
Filing date: 2013-08-29
Publication date: 2014-04-02
Anticipated expiration: 2023-08-29

Abstract

The utility model discloses a cooling device for a welded solar cell panel, and relates to the technical field of solar cell panels. The cooling device comprises three air source pipes arranged in a pressing needle frame body. According to the cooling device, three cooling air sources with independent channels are arranged, an even and stable amount of air can be delivered, it is guaranteed that the cooling speed is even and high, a welded part can be rapidly solidified, pressing needles can be rapidly withdrawn, the working time can be shortened, the working efficiency can be improved, the quality of the solar cell panel can be effectively improved, and automatic technological production is facilitated.

Description

Cooling device after solar panel welding

Technical field

The utility model relates to solar panel technology field.

Background technology

Human use's solar energy history of existing more than 3000 year, but solar energy is used as a kind of energy and power, but only less than the history of 400 years.When the non-renewable energy resources such as electric power, coal, oil signal for help repeatedly, when energy problem becomes restriction socio-economic development bottleneck day by day, increasing country starts to tap a new source of energy, and seeks the new power of economic development.We know, solar energy is a huge natural energy source storehouse, and the successive nuclear fusion reaction process of solar interior and surperficial black mole produces huge energy, and it is per second is irradiated to tellurian energy and is just equivalent to 5,000,000 tons of coals.Solar electrical energy generation divides photo-thermal power generation and photovoltaic generation at present, no matter but volume of production and marketing, development prospect and development speed, photo-thermal power generation is all unable to catch up with photovoltaic generation.Photovoltaic generation is according to photovoltaic effect principle, utilize the radiation of the sun that solar energy is converted into electric energy, the basic device of photovoltaic generating system is exactly solar cell, solar cell is a kind of device that due to photovoltaic effect, solar energy is converted into electric energy, it is a semiconductor photo diode, when solar energy impinges is on photodiode time, photodiode will become electric energy solar energy, generation current, the solar module that solar photovoltaic generation system is comprised of solar energy tabula rasa, controller and inverter three parts form, solar components is also referred to as solar panel, solar panel is the core of solar power system, also be in solar power system, to be worth the highest part, its effect is that the radiant energy of the sun is converted to electric energy, or be sent in battery and store, or promotion loaded work piece, application is very extensive.

When practical application, need to cell panel series welding be connected into battery strings with welding, in the process of series connection welding, cell panel and welding are stacked together, pressing on pressing frame slightly pushes welding and cell panel, guarantee its good contact, by warm-air pipe, provide heat, complete at short notice welding job.After welding job completes, need to treat the complete cooled and solidified of scolding tin on welding top layer, pressing could be withdrawn from.Otherwise pressing is withdrawn from, pressing is understood adhesive tape welding and cell panel, can affect like this welding quality of welding and cell piece, can cause the shake of cell piece simultaneously, produces the situation of cell piece fragment, has affected production cost and operating efficiency.

How by the scolding tin on welding top layer after welding rapidly and uniformly cooled and solidified just become more urgent problem at present.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of solar panel postwelding cooling device, can realize the evenly quick cooled and solidified in welding top layer, and then make cell panel surface temperature uniform decrease in temperature, effectively improves the quality of cell panel.

For solving the problems of the technologies described above, technical solution adopted in the utility model is: the cooling device after a kind of solar panel welding, and comprise and be laid in the intrinsic gas source pipe of pressing frame, described gas source pipe is 3.

Three described gas source pipes are bending tube, and are laid in same vertical plane with pressing; Described bending tube is that horizontal direction is laid, and is provided with the vertical bend pipe that Open Side Down.

The beneficial effect that adopts technique scheme to produce is: the utility model is the cooling source of the gas of the single channel of prior art, be improved to the cooling source of the gas of three autonomous channels, the cooling velocity on welding top layer and cooling uniformity have been improved greatly, thereby effectively improved cell panel surface cooling inequality and the thermal stress of generation, improved the quality of cell panel; While is due to the cooling source of the gas of three autonomous channels, the flow of each independent source of the gas is all adjustable, can realize the tolerance of carrying stable homogeneous, guarantee that cooling velocity is evenly quick, welding position can rapid solidification, and pressing can be withdrawn from fast, therefore can shorten working hours, increase work efficiency, be very beneficial for the explained hereafter of automation.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of prior art;

Mark in figure: 1-gas source pipe; 2-upper strata welding; 3-lower floor welding; 4-cell panel; 5-pressing; 6-pressing frame body.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As shown in Figure 1, the utility model comprises the gas source pipe 1 being laid in pressing frame body 6, described gas source pipe 1 is 3, by the inner source of the gas passage 1 that evenly increases cold gas of pressing frame body 6, thereby realize cooling effect rapidly and uniformly, cooling effect can make the scolding tin of molten condition evenly solidify rapidly and uniformly, and has effectively avoided the situation of pressing 5 adhesive tape scolding tin to occur.

Three described gas source pipes 1 are bending tube, and are laid in same vertical plane with pressing 5; Described bending tube is horizontal direction and lays, and be provided with the vertical bend pipe that Open Side Down, and even parallel being laid in the vertical plane identical with pressing 5 of described gas source pipe 1, the end openings of gas source pipe 1 is straight down, over against the welding position of upper strata welding 2, realize the cooling effect of postwelding.

Described bending tube can be provided with elbow at bending part, between the horizontal segment of described vertical bend pipe and bending tube, with elbow, is connected; Also can not establish elbow, adopt gas source pipe 1 bending to form.

Fig. 2 is the structural representation of the utility model prior art, as shown in Figure 2, the utility model is made according to the structure of existing pressing frame body 6, existing pressing frame body 6 is three row pressure pins 5, one end of every row pressure pin 5 is all connected with cooling source of the gas, one end of the every row pressure pin 5 of prior art is only provided with a gas source pipe 1, have three openings with this independently gas source pipe 1 communicate, refrigerating gas enters from this gas source pipe 1, be further divided into three branch pipe(tube)s, can make the mass flow discrepancy of three branch pipe(tube)s like this, thereby postwelding cooling velocity is uneven, cooling effect is poor, cause cell piece surface temperature inhomogeneous, produce thermal stress, welding position easily cracks, and because does not solidify completely at the position having, when extracting, pressing 5 may there is the phenomenon of pressing 5 adhesions, the scolding tin of welding position is taken out of, affect postwelding quality.

In the utility model, every row pressure pin 5 adopts three independently gas source pipes 1, realize three independently cold gas source channels, cooling velocity is fast, saves time, and increases work efficiency, and can be at the front mounted valve of each gas source pipe 1, the flow of independent cooling source of the gas is adjustable, guarantees that the flow in three exits is consistent, and the solder cools setting rate that finally reaches welding top layer molten condition is consistent, guarantee that cell piece surface cooling is even simultaneously, reduce the generation of thermal stress.

When making solar module, cell panel 4 is placed between upper strata welding 2 and lower floor's welding 3, by upper strata welding 2 and lower floor's welding 3, cell panel 4 series weldings are connected into battery strings, in the process of series connection welding, the slight extruding welding of pressing 5 and cell panel 4 on pressing frame body 6, guarantee its good contact, by warm-air pipe, provide heat, by gas source pipe 1, undertaken cooling, complete at short notice welding job, after completing, welding job needs, after the complete cooled and solidified of scolding tin on welding top layer, pressing 5 to be withdrawn from.Therefore the quality that cell panel 4 is made and efficiency and cooling velocity and effect have very large relation, and the cooling source of the gas providing is uniform and stable, and tolerance is sufficient, shortens the time that postwelding solidifies, and improves the quality of cell panel 4.

The flow of each independent source of the gas of the utility model is all adjustable, can realize the tolerance of carrying stable homogeneous, guarantee that cooling velocity is evenly quick, welding position can rapid solidification, pressing 5 can be withdrawn from fast, therefore can shorten working hours, increase work efficiency, be very beneficial for the explained hereafter of automation.

Claims

1. the cooling device after solar panel welding, comprises the gas source pipe (1) being laid in pressing frame body (6), it is characterized in that: described gas source pipe (1) is 3.

2. the cooling device after solar panel welding according to claim 1, is characterized in that: described three gas source pipes (1) are bending tube, and is laid in same vertical plane with pressing (5); Described bending tube is horizontal direction and lays, and is equipped with the vertical bend pipe that Open Side Down.