CN102092167A - Laminating machine convenient to install and maintain - Google Patents

Abstract

The invention relates to a laminating machine convenient to install and maintain, which comprises a heating workbench and an upper cover, wherein the upper cover consists of an upper chamber, a silica gel plate and an upper chamber sealing ring which are combined in turn; a laid battery pack is arranged on the tabletop of the workbench of the laminating machine; the upper cover is pressed down, so that the upper cover is closely combined with the edge of the heating workbench, and a vacuum chamber is formed between the upper cover and the heating workbench; a lower chamber sealing ring is arranged at the periphery of the heating workbench so as to seal the vacuum chamber; an electric heating device and a temperature control device are arranged in the heating workbench, aluminium silicate light bricks coated with teflon cloth are paved under the heater, the size of the light bricks is equal to the area of a hot plate, and the thickness of the light bricks is about 5 centimeters; the heater is positioned between the hot plate and the aluminium silicate, a lead of the heater is welded with a small section of copper wire to connect a screw of a bakelite plate, and the screw is communicated with the outside; and the welding mode is brass soldering. The installation and fixation of a thermoelectric couple are mainly described; and because the laminating machine is high in vacuum degree of installation mode, long in service life and convenient to maintain, the laminating machine is suitable to be widely applied to a solar battery assembly process.

Description

Be convenient to the laminating machine of installation and maintenance

Technical field

The present invention relates to the equipment in a kind of solar module production technology, relate in particular to a kind of even zone of heating press of hot plate that is applicable to solar cell assembling technology.

Background technology

Be accompanied by the continuous progress of rapid economy development and science and technology, social life also sharply increases for the consumption and the demand of the energy.Human widely used energy major part still is the fossil class energy of representative with coal, oil at present.Fossil class energy development so far, though its exploitation operation technique is very ripe, the problem of association can not be ignored too thereupon.At first, the fossil class energy is non-renewable energy resources, and it stores total amount must be an irreversible procedure that constantly reduces; Secondly, the fossil class energy in use can produce a large amount of pollutions, and the carbon dioxide that produces in the coal oil combustion process, sulfur dioxide and nitrilo compound can cause greenhouse effects and severe contamination.Therefore, people get suitable attention and development to the demand of new forms of energy and exploitation in the last few years.

In the new forms of energy research that has practical value at present, the collection of solar energy and utilization belong to relatively ripe and have the technology of practical value.Its basic principle is that solar irradiation is on the semiconductor p-n junction, form new hole-duplet, under the p-n junction effect of electric field, the hole flows to the p district by the n district, electronics flows to the n district by the p district, just form electric current after connecting circuit, solar radiant energy is directly changed into electric energy, the basic device of light-electricity conversion is exactly a solar cell.Solar cell is a kind of device that solar energy directly is converted to electric energy owing to photovoltaic effect, it is a semiconductor photo diode, when solar irradiation was to photodiode, photodiode will become electric energy to the luminous energy of the sun, produced electric energy.When being together in series, many batteries just can become solar cell array that bigger power output is arranged.Solar cell has chronicity, spatter property and flexibility three big advantages, and solar battery life is long, as long as the sun exists, solar cell just can once be invested and long-term the use; Compare with thermal power generation, nuclear energy power generation, solar cell does not pollute the environment; Solar cell can large, medium and smallly develop simultaneously, and arrives the medium-sized power station of gigawatt greatly, and little compound mode is flexible to the solar battery group of only using for a family, and this is that other power supply is incomparable.

In the production of solar module, the basic technology that adopts is mainly by battery detecting, positive welding at present.Back serial connection, lay, several procedures such as lamination, unhairing limit, rim frame, welding terminal box and follow-up test form.This wherein, the effect of lamination operation is that the battery that lays is put into laminating machine, by vacuumizing the air in the assembly is extracted out, heating melts EVA battery, glass and backboard are bonded together then; Assembly is taken out in cooling at last, and good laminating technology not only can make the life-span of solar cell be guaranteed, but also has increased the resistance intensity of battery.This shows that the lamination operation has crucial meaning for the end product quality of final solar cell, does not have good laminating technology, the light utilization efficiency of solar module, photoelectric conversion rate and service life just do not know where to begin yet.

The present laminating machine that adopts, most of mode that adopts the oil heating also has the partial new product to adopt electrically heated mode.The oil heating promptly by the mode of thermal source heat hot carrier oil (conduction oil), realizes the intensification to heated body.Electrical heating then is to produce the mode that heat heats behind the logical upward alternating current of heater, two kinds of mode of heatings all need carry out temperature controlling, controlling temperature and guaranteeing in the process of vacuum that the installation of temperature sensitive member (thermocouple) is a very important part.The installation of thermocouple before is the mode that adopts welding, and thermocouple wire is by copper stud and outer room power connection on the glued membrane plate.But there is following problem in this mode:

1. vacuum is influenced easily.Copper stud is fixed in through glued membrane plate and glued membrane plate all certain contact area on the laminating machine, leak gas easily and then influence vacuum.

2. installation and difficult in maintenance.When damage needs to change as thermocouple, might promote hot plate.

Summary of the invention

The present invention adopts, and novel (detecting head of electroheat pair is a stock, Fig. 5) installation of thermocouple and technique for fixing.There is following problem when communicating with external circuitry: 1 vacuum problem because of the welded type thermocouple.When described welded type thermocouple communicates with external circuitry, be to communicate, might leak gas when vacuumizing, thereby cause vacuum to descend by the screw rod on the bakelite plate.2. I﹠M problem.Because of the thermocouple of the required installation of hot plate is numerous, make troubles to installation.Aspect safeguarding, the advantage of novel thermocouple more can embody.If the thermocouple of welded type can only be opened hot plate bad, reinstalls thermocouple, and if New-type thermocouple can directly be released electroheat pair bad, changes new thermocouple and gets final product.Since complete process of the present invention, reliable in quality, and fault rate is low, is fit to be extensive use of in China's production solar cell device industry.

In order to realize the foregoing invention purpose, the technical solution used in the present invention is: (detecting head of electroheat pair is a stock, Fig. 5) installation of thermocouple and technique for fixing such as Fig. 5.Open a through hole at hot plate, do an onesize nut simultaneously, just in time can be screwed in the through hole, the thickness of described nut is approximately 1/3rd of hot plate.Below the vertical through hole of cavity of resorption base plate, open an onesize through hole.Set column type steel pipe be welded in through hole under, as figure.Attention: all circular hole centers of circle all need on same straight line.Interior survey at cylinder 2 has screw thread, mixes the screw of same specification simultaneously, as figure, in order to ensure vacuum, in cylinder 2 silica gel strip is housed.After loading onto thermocouple, tighten screw rod, just can guarantee vacuum.

Beneficial effect of the present invention:

1. the present invention adopts shaft-like New-type thermocouple, is convenient to installation and maintenance.

2. the present invention makes full use of the elasticity of silica gel, guarantees vacuum.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present invention;

Fig. 2 is the enlarged drawing of lamination section among Fig. 1;

Fig. 3 is the part figure of lower chambers among Fig. 2;

Fig. 4 is the concrete installation diagram of lower chambers postmedian spare;

Fig. 5 is the installation and fixing schematic diagram of thermocouple.

The specific embodiment

Below in conjunction with drawings and Examples the present invention is described in further detail.

Because the frame for movement of oily zone of heating press and electric heating layer press is being consistent substantially, and the safe practice of its thermocouple is identical, so the mounting technique introduction of the thermocouple of two kinds of laminating machinees of the present invention.

As Fig. 1, novel electric heating layer press mainly is made up of three stages, is respectively loading bay 1, lamination section 2, discharge pedestal 3.

The acting as of loading bay can be preengage the solar module that will lay earlier and be lain against on the loading bay.Loading bay: loading bay bracing frame 5 constitutes the loading bay main body frame, control system 6, and controllable silicon and transformer 15, charger 7 is installed in its inside usually.Control system 6 is that the core of laminating machine is used to control mechanical movement and lamination process.Controllable silicon and transformer 15 upstreams are controlled by control system 6, and the downstream connects heating system, assist control system 6 to carry out controlled heating.Charging table top 4 (transport tape) is positioned at the top of loading bay support 5, drives the motion of roller bearing rotation causing transport tape by charging motor 7, reaches the purpose of charging.

The lamination section is the key component of full-automatic laminating machine, and lamination section bracing frame 8 mainly is fixed with lamination section motor 11, loam cake 9, line slideway 10, cylinder 20, lower chambers 21.The rising of loam cake 9 and decline are by cylinder 20 piston motion controls, and for the stationarity that guarantees that loam cake 9 rises and descends, loam cake 9 is fixed on the movable block of line slideway 10 by loam cake crossbeam 18.Silica gel plate clamping plate 17 and silica gel plate press box cooperate hook 16, Silicone Rubber are fixed and wrapped the lower surface of loam cake 9.The chief component of lower chambers is the lower chambers vacuum system, and described lower chambers vacuum system mainly is made up of the steel plate of lower chambers sealing ring, hot plate, heater, alumina silicate light-weight brick, thermocouple and band spring.During work, loam cake rises, thereby battery component transports into the lamination section by the rotation of lamination section motor belt, and loam cake descends, and carries out lamination.

Discharge pedestal mainly is made up of discharge pedestal support 13, discharging motor 12 and discharging table top 14.After lamination finished, discharging motor 12 drove the roller bearing rotation and causes conveyer belt, reaches the purpose of discharging.

Claims (1)

1. laminating machine of being convenient to installation and maintenance, comprise heating work platform and loam cake, described loam cake is by the top box chamber, silica gel plate, following chamber sealing ring preface successively constitutes, the battery component that lays places on the work top of laminating machine, described loam cake presses down and makes following chamber sealing ring and described heating work edge of table place thereon, position combine closely and make between described loam cake and the heating work platform and constitute vacuum chamber, heating work platform top is located in described top box chamber, and between the heating work platform, constituting vacuum chamber, described chamber sealing ring down is located at the periphery of described warm table with the sealed vacuum chamber.Also be laid with electric calorifie installation and attemperating unit in the described heating work platform, below electric heater unit, be lined with alumina silicate light-weight brick with tetrafluoro cloth parcel, the lead-in wire of described heater passes the alumina silicate light-weight brick, screw rod by bakelite plate is connected with extraneous, it is characterized in that: the thermocouple that is provided with is positioned at the through hole of hot plate and lower chambers bottom.

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