CN210142655U

CN210142655U - Device for producing BIPV assembly by PVB (polyvinyl butyral) encapsulation

Info

Publication number: CN210142655U
Application number: CN201920778749.7U
Authority: CN
Inventors: 赵维维; 尹丽华; 高含; 郭政阳; 邱国英
Original assignee: Baoding Jiasheng Photovoltaic Technology Co Ltd
Current assignee: Baoding Jiasheng Photovoltaic Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-13
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a device with PVB encapsulation production BIPV subassembly, including being used for carrying out the laminator of lamination operation with the BIPV subassembly of laying the completion, the ejection of compact bench top of laminator is provided with and is used for carrying out the heating packaging hardware of solidification encapsulation to the BIPV subassembly after the lamination, and heating packaging hardware's rear is provided with and is used for carrying out placing alone and guaranteeing to accomplish the dehumidification room of the stability of encapsulation back BIPV subassembly with the BIPV subassembly after accomplishing the encapsulation. The utility model discloses save the autoclave process, need not to carry out secondary atmospheric pressure, practiced thrift production time widely, the cost is reduced widely.

Description

Device for producing BIPV assembly by PVB (polyvinyl butyral) encapsulation

Technical Field

The utility model relates to a solar panel assembly makes technical field, especially a device with PVB encapsulation production BIPV subassembly.

Background

The Building Integrated Photovoltaic (BIPV) technology integrates a photovoltaic module on a Building, so that the Building Integrated Photovoltaic (BIPV) not only has a power generation function, but also can be used as a Building material. The technology replaces building roofs, outer walls, windows, fences and the like with photovoltaic components, can be used as building materials, can generate electricity, really realizes the characteristics of low carbon, energy conservation and environmental protection of modern buildings, can meet the building requirements of building mechanics, thermal comfort, lighting, sound insulation and the like, and is widely applied at present.

Building Integrated Photovoltaic (BIPV) is the integration of photovoltaic and building, and is one of important application forms of building energy conservation, and the BIPV technology of developed countries such as Europe, America and the like has entered a relative maturity stage and is widely applied. According to the data of the European photovoltaic industry Association, the photovoltaic building application accounts for 80% of the total photovoltaic application in Europe, and the proportion also reaches 67% in the United states. However, China is still in a starting stage, the development momentum is very rapid, and the building photovoltaic installation amount is estimated to reach 50GW (total weight of distributed photovoltaic installations) which accounts for 70% of the total weight of the distributed photovoltaic installations and 33% of the total weight of the photovoltaic installations by the end of 2020, so that the market capacity of building photovoltaic integration is very large.

Because aesthetic requirements such as the whole artistic effect of building and whole harmony lead to the specification and size diverse of the BIPV subassembly that each building needs, thickness is more different, and from the consideration of the aspect of safety, stipulates in the national building curtain wall standard, and monolithic glass need be greater than 5mm, and this production degree of difficulty that just leads to the BIPV subassembly is very big, and the product of different models needs debug the parameter repeatedly, changes the technology side shaping repeatedly. In addition, the BIPV component is composed of double layers of glass, secondary repair cannot be carried out after the lamination of the component is finished, so that a large number of test products are produced in each batch of products, a series of problems of empty glue, bubbles, edge degumming, PVB non-treatment and the like mainly occur.

In addition, the price of the BIPV module at present is high, and the BIPV module is difficult to be widely applied to the building market.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device of producing BIPV subassembly is provided with PVB encapsulation to solve the BIPV subassembly and have empty glue, bubble, marginal degumming, PVB do not change scheduling problem and need enter into the autoclave and carry out atmospheric pressure and increased manufacturing cost and the problem of time after carrying out the lamination, with the production quality of guaranteeing the BIPV subassembly, reduce production time, reduce manufacturing cost.

In order to solve the technical problem, the utility model adopts the following technical proposal.

The utility model provides a device with PVB encapsulation production BIPV subassembly, is including being used for laying the laminating machine that the completion BIPV subassembly carried out the lamination operation, the ejection of compact platform top of laminating machine is provided with the heating packaging hardware who is used for carrying out the solidification encapsulation to the BIPV subassembly after the lamination, and heating packaging hardware's rear is provided with and is used for carrying out placing alone and guaranteeing to accomplish the dehumidification room of the stability of encapsulation back BIPV subassembly with accomplishing the BIPV subassembly after the encapsulation.

The technical scheme is further optimized, the heating and packaging device comprises a heating cavity body, infrared heaters and a plurality of thermocouples, the heating cavity body is internally provided with a cavity structure, the infrared heaters are arranged at the top end of the inner wall of the heating cavity body in a linear mode and are arranged in multiple rows, the thermocouples are arranged in the heating cavity body and are used for detecting the lamination temperature of each point of the BIPV assembly, detecting the temperature in the heating cavity body and converting temperature signals into thermal electromotive force signals, a controlled end of each infrared heater is connected with a PID remote controller used for carrying out PID remote control on the infrared heater and dynamically and stably controlling the heating temperature of the infrared heater at a certain temperature, and the signal output end of each thermocouple is connected to the input.

According to the technical scheme, the heat insulation material used for reducing heat loss in the heating cavity so that heat generated by the infrared heater is concentrated on the front face of the infrared heater is arranged in the heating cavity.

According to the technical scheme, the heat insulation material is a heat insulation material with high reflection or high scattering.

According to the technical scheme, the installation area of the infrared heater is larger than the area of the laminated BIPV assembly.

According to the technical scheme, the infrared wavelength of the infrared heater is larger than that of the BIPV assembly.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses saved the autoclave process, the production link has been simplified, after the lamination of BIPV subassembly finishes, get into heating packaging hardware rapidly, accomplish with PVB's encapsulation, need not to carry out secondary atmospheric pressure, the subassembly after the encapsulation is accomplished can reach the requirement of building the curtain, the production time has been practiced thrift widely, make production postpartum BIPV subassembly can not appear the empty glue, the bubble, the edge comes unstuck, PVB does not change the scheduling problem, the production efficiency and the product percent of pass of BIPV subassembly have been improved widely, the cost is greatly reduced, make the application on a large scale of building of BIPV subassembly become possible, the trade blank has been filled.

The utility model discloses to heat the ejection of compact platform top of packaging hardware directly mounted to laminator, after BIPV subassembly lamination is accomplished, the subassembly enters into the inside of heating packaging hardware, and the quantity of infrared heater in the heating cavity is opened to the temperature of PID remote controller when analyzing size, thickness and the lamination ejection of compact of BIPV subassembly to obtain the heating temperature that BIPV subassembly needs. The infrared heater is subjected to modular control to achieve uniform temperature control, and when the temperature in the cavity of the heating cavity reaches below 95 ℃, the BIPV component can be formed into the cavity of the heating cavity, so that the production time of the BIPV component is greatly shortened, and the production cost is reduced.

The utility model discloses will accomplish the BIPV subassembly after the encapsulation and place alone between the dehumidification that heating packaging hardware rear set up to guarantee to accomplish the stability of encapsulation back BIPV subassembly, and then can guarantee the production quality of BIPV subassembly.

Drawings

Fig. 1 is a top view of a heating chamber of a heating package device according to the present invention;

fig. 2 is a side view of the heating and sealing device of the present invention.

Wherein: 1. heating packaging device, 2, heating cavity, 3, infrared heater, 4, thermocouple, 5, PID remote control ware.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

An apparatus for producing BIPV modules by PVB encapsulation is shown in the figures 1 to 2 and comprises a laminating machine, a heating encapsulation device 1 and a dehumidification room.

The laminating machine is used for carrying out laminating operation on the laid BIPV assembly, and then the upper layer hot-melt adhesive film and the lower layer hot-melt adhesive film in the BIPV assembly are bonded with the lower layer toughened glass and the upper layer toughened glass more firmly.

The heating and packaging device 1 comprises a heating cavity 2, an infrared heater 3, a thermocouple 4 and a PID remote controller 5.

The shell of the heating cavity 2 is formed by casting iron, and the interior of the heating cavity 2 is of a cavity structure. The heating cavity 2 is internally provided with a heat insulating material which is used for reducing the heat loss inside the heating cavity 2 so as to concentrate the heat generated by the infrared heater 3 on the front surface of the infrared heater 3. The heat insulating material is a special heat insulating material with high reflection or high scattering.

The infrared heater 3 is arranged at the top end of the inner wall of the heating cavity 2 and is linearly arranged in a plurality of rows, and the arrangement of the infrared heater 3 can enable heat to radiate the surface of the BIPV component in an infrared mode.

The installation area of the infrared heater 3 is larger than the area of the laminated BIPV assembly, so that most of incident infrared light can be radiated to the surface of the BIPV assembly, and the heating uniformity of the surface of the BIPV assembly is ensured.

The infrared heater 3 has an infrared wavelength greater than that of the desired laminated BIPV module to ensure that a substantial portion of the incident infrared radiation is transmitted through the BIPV module. Since the absorption capacity per unit volume at various points of the BIPV module is almost identical, a uniform heating of the BIPV module as a whole is achieved.

The plurality of thermocouples 4 are provided, disposed inside the heating chamber 2, for detecting the lamination temperature at each point of the BIPV assembly and detecting the temperature inside the heating chamber 2, and converting the temperature signal into a thermal electromotive force signal. Thermocouple 4 can accurate control to monolithic subassembly, and thermocouple 4's signal output part is connected in PID remote controller 5's input, the utility model discloses well PID remote controller 5's model can select CNi3222-C24 model. The PID remote controller 5 is used for carrying out PID remote control on the infrared heater 3, dynamically and stably controlling the heating temperature of the infrared heater 3 to a certain temperature, the greenhouse can be accurate to +/-1 ℃, and the laminating temperature of the BIPV component in the laminating machine can be obtained through accurate analysis.

The controlled end of the infrared heater 3 is connected to the output end of the PID remote controller 5, and the PID remote controller 5 can control the number of the infrared heaters 3 which are switched on and off to obtain the temperature required by the assembly.

The specific steps of BIPV component encapsulation are as follows:

and S1, putting the laid BIPV assembly into a laminating machine for laminating, wherein the total laminating temperature is higher than 55 ℃, the total time is longer than 30 minutes, the larger the assembly model is, the larger the thickness is, and the higher the laminating temperature is and the longer the laminating time is. The lamination parameters of the components are set to the following two types for reference according to the differences of the component layouts. Specifically, the layout is 1000 × 300 (adjusted according to the ambient temperature during production).

The difference between the temperature of the laminated product out of the laminating machine and the outdoor temperature is 0-95 ℃, and quality problems such as empty glue, air bubbles, edge degumming and the like are not easy to generate.

And S2, placing the laminated assembly into a heating packaging device 1 arranged above a discharging table of the laminating machine for curing and packaging.

And S3, because the inside of the packaged BIPV assembly is hot melt adhesive film PVB, and the internal molecular structure of the hot melt adhesive film is caused and the property is unstable, the packaged BIPV assembly is independently placed in a dehumidification room, and the temperature and the humidity in the dehumidification room are controlled. The temperature of the dehumidification room is controlled between 25 ℃ and 30 ℃, and the relative humidity is controlled below 10% RH.

The utility model discloses to heat the ejection of compact platform top of packaging hardware 1 direct mount to laminator, after the laminating of BIPV subassembly is accomplished, the subassembly enters into the inside of heating packaging hardware 1, and the quantity of infrared heater 3 in heating cavity 2 is opened to the temperature of PID remote controller 5 during size, thickness and the laminating ejection of compact of analysis BIPV subassembly to obtain the heating temperature that BIPV subassembly needs. The infrared heater 3 is controlled in a modularized mode to achieve uniform temperature control, and when the temperature in the cavity of the heating cavity 2 reaches below 95 ℃, the BIPV assembly can be formed into the heating cavity.

The utility model discloses saved the autoclave process, after the BIPV subassembly lamination finishes, got into heating packaging hardware 1 rapidly, the encapsulation of accomplishing with PVB need not to carry out secondary atmospheric pressure, and the subassembly after the encapsulation is accomplished can reach the requirement of building the curtain, has practiced thrift production time widely, has improved the production efficiency of BIPV subassembly, has reduced manufacturing cost.

Claims

1. An apparatus for producing BIPV modules with PVB encapsulation, comprising a laminating machine for carrying out a lamination operation of the laid-up BIPV modules, characterized in that: a heating and packaging device (1) for curing and packaging the laminated BIPV assembly is arranged above a discharging table of the laminating machine, and a dehumidifying room for independently placing the packaged BIPV assembly and ensuring the stability of the packaged BIPV assembly is arranged behind the heating and packaging device (1);

the heating packaging device (1) comprises a heating cavity (2) with a cavity structure inside, infrared heaters (3) which are arranged at the top end of the inner wall of the heating cavity (2) in a linear arrangement manner and are provided with a plurality of rows, and a plurality of thermocouples (4) which are arranged in the heating cavity (2) and are used for detecting the lamination temperature of each point of the BIPV assembly, detecting the temperature in the heating cavity (2) and converting temperature signals into thermal electromotive force signals, wherein a controlled end of each infrared heater (3) is connected with a PID remote controller (5) which is used for carrying out PID remote control on the infrared heater (3) and dynamically and stably controlling the heating temperature of the infrared heater (3) to a certain temperature, and the signal output end of each thermocouple (4) is connected with the input end of the PID remote controller (5);

the heating cavity (2) is internally provided with a heat insulation material which is used for reducing the heat loss in the heating cavity (2) so that the heat generated by the infrared heater (3) is concentrated on the front surface of the infrared heater (3);

the heat insulation material is a heat insulation material with high reflection or high scattering.

2. An apparatus for manufacturing BIPV modules encapsulated with PVB according to claim 1 wherein: the infrared heater (3) has a mounting area larger than the area of the laminated BIPV module.

3. An apparatus for manufacturing BIPV modules encapsulated with PVB according to claim 1 wherein: the infrared wavelength of the infrared heater (3) is larger than that of the BIPV assembly.