阅读说明：本技术 一种晶硅光伏组件的接线盒拆除装置及方法 (Junction box dismounting device and method for crystalline silicon photovoltaic assembly ) 是由 马昀锋 郑璐 卢刚 杨紫琪 何银凤 雷鸣宇 杨振英 马冀超 海建平 杜娟 于 2019-09-03 设计创作，主要内容包括：本发明涉及一种晶硅光伏组件的接线盒拆除装置。本发明的另一个技术方案是提供了一种晶硅光伏组件的接线盒拆除方法。本发明设计的晶硅光伏组件接线盒拆除方法和装置是在原拆除方法上做了很大改进,为了减少组件损伤及提高接线盒拆除效率,本发明在操作台面上具备位置识别功能,先采用剪线装置将接线盒后部多余电线剪去,以便于此部分电线的直接回收利用,另外采用机械铲刀,左右两边的刀刃分别从接线盒两侧进入接线盒与组件粘接的胶层,用锋利的刀刃对接线盒与组件之间粘接的胶进行切割,使得接线盒能保持完整的状态被切下,且能保持较好的组件层压件状态,组件层压件无破损。需要的情况下可预加热,使得硅胶软化,更容易拆下接线盒。(The invention relates to a junction box dismounting device of a crystalline silicon photovoltaic assembly. The invention further provides a junction box dismantling method of the crystalline silicon photovoltaic assembly. The invention relates to a crystal silicon photovoltaic assembly junction box dismantling method and a device, which are greatly improved on the original dismantling method, and in order to reduce the damage of assemblies and improve the dismantling efficiency of the junction box, the invention has a position identification function on an operation table surface, firstly adopts a wire shearing device to shear redundant wires at the rear part of the junction box so as to be convenient for directly recycling the wires, and adopts a mechanical scraper knife, wherein cutting edges at the left side and the right side respectively enter a glue layer bonded with the junction box and the assemblies from the two sides of the junction box, and the glue bonded between the junction box and the assemblies is cut by a sharp cutting edge, so that the junction box can be kept in a complete state and cut, a better assembly laminating part state can be kept, and the assembly laminating part is not damaged. If necessary, the junction box can be preheated, so that the silica gel is softened, and the junction box can be more easily detached.)

1. A junction box dismantling device for a crystalline silicon photovoltaic assembly is characterized by comprising:

the conveying mechanism is used for conveying the crystalline silicon photovoltaic assembly with the junction box to be detached to the operation table top, and the back side provided with the junction box faces upwards when the crystalline silicon photovoltaic assembly is positioned on the operation table top;

the visual recognition system is used for capturing a back picture of the crystalline silicon photovoltaic module on the operation table top, positioning the position of the junction box by using the back picture and sending the obtained position information of the junction box to the operation device;

the operation device comprises a control unit and a mechanical scraper knife connected with the control unit, the mechanical scraper knife is positioned above the operation table board, the mechanical scraper knife is arranged on the two-direction displacement mechanism, on one hand, the two-direction displacement mechanism drives the mechanical scraper knife to move forwards and backwards along the length direction of the operation table board under the control of the control unit, and on the other hand, the two-direction displacement mechanism drives the mechanical scraper knife to move leftwards and rightwards along the width direction of the operation table board under the control of the control unit;

the mechanical scraper knife comprises a telescopic mechanism driven by a telescopic motor, the telescopic motor is controlled by a control unit, one end of the telescopic mechanism is fixedly connected with a two-direction displacement mechanism, the other end of the telescopic mechanism is fixedly connected with a base, a clamping jaw driving mechanism controlled by the control unit is arranged on the base, the clamping jaw driving mechanism drives two mechanical clamping jaws symmetrically arranged on the left and right to move oppositely and move back to back, a flat scraper knife is arranged at the bottom of each mechanical clamping jaw, and the junction box is cut off from the back of the crystalline silicon photovoltaic assembly in the process that the two flat scraper knives move oppositely under the driving of the mechanical clamping jaws.

2. The junction box removing device for the crystalline silicon photovoltaic module as claimed in claim 1, wherein the conveying mechanism is a crawler-type conveying mechanism or a robot arm.

3. The junction box removing device for the crystalline silicon photovoltaic module as recited in claim 1, wherein the visual recognition system for locating the position of the junction box comprises the following steps:

the vertex angle of the crystalline silicon photovoltaic assembly or a specific position of the operation table top is used as an original point, and the actual position of the junction box is judged by measuring the relative position of the junction box and the original point in the back picture, so that the position of the junction box is positioned.

4. The junction box removing device for the crystalline silicon photovoltaic module as recited in claim 1, wherein the operating device further comprises a wire cutting device, the wire cutting device comprises a vertical rail mechanism, a vertical moving slide block is arranged on the vertical track mechanism, a driving motor controlled by the control unit drives the vertical moving slide block to move up and down on the vertical track mechanism along the height direction of the operation table top, a horizontal track mechanism is arranged on the vertical moving slide block and is arranged above the operation table top along the width direction of the operation table top, the horizontal track mechanism is provided with a horizontal moving sliding block, the driving motor II controlled by the control unit drives the horizontal moving sliding block to move leftwards and rightwards on the horizontal track mechanism along the width direction of the operation table board, and the bottom of the horizontal moving sliding block is provided with a cutting-off knife which cuts off the electric wire.

5. A junction box removing method of a crystalline silicon photovoltaic module, characterized in that the junction box removing device of claim 1 is adopted, and the method comprises the following steps:

step 1, conveying the crystal silicon photovoltaic module with the back side facing upwards to an operation table top by a conveying mechanism;

step 2, capturing a back picture of the crystalline silicon photovoltaic module on the operating table by the visual recognition system, positioning the position of the junction box by using the back picture, and sending the obtained position information of the junction box to a control unit of the operating device;

step 3, the control unit controls the two-direction displacement mechanism to drive the mechanical scraper knife to move forwards, backwards, leftwards and rightwards according to the position information of the junction box, so that the mechanical scraper knife moves to the position above the junction box;

and 4, controlling a telescopic mechanism of the mechanical scraper knife by the control unit to enable the mechanical clamping jaw to descend until the flat scraper knife contacts the crystalline silicon photovoltaic assembly, controlling the clamping jaw driving mechanism by the control unit, driving the two mechanical clamping jaws to move oppositely from the left side and the right side of the junction box by the clamping jaw driving mechanism, inserting the two flat scraper knives between the junction box and the crystalline silicon photovoltaic assembly from the left side and the right side until the two flat scraper knives collide with each other in the opposite movement process, and cutting off the junction box from the back of the crystalline silicon photovoltaic assembly.

6. The method for removing the junction box of the crystalline silicon photovoltaic module as claimed in claim 5, further comprising the following steps after step 2 and before step 3:

the control unit controls a second driving motor of the wire shearing device according to the position information of the junction box, the second driving motor drives the horizontal moving sliding block to move left and right, so that the cutting knife on the horizontal moving sliding block is positioned right above the wire led out from the junction box, and the control unit controls the first driving motor and drives the cutting knife to move downwards by the vertical moving sliding block until the wire is cut off.

Technical Field

The invention relates to a device for fully automatically disassembling a junction box of a crystalline silicon photovoltaic assembly and a method for disassembling the junction box by adopting the device.

Background

Among a plurality of renewable energy sources, the solar energy has the outstanding advantages of no exhaustion danger, safety, reliability, no noise, no pollution emission, no limitation of resource distribution region in application and the like. Photovoltaic modules are devices for converting solar energy into electric energy, and photovoltaic power generation is obviously increased in the global scope in recent years. The development of the photovoltaic industry in China is more vigorous, and by the end of 2018, the newly added photovoltaic power generation and the accumulated installed capacity in China are the first in the world.

The crystalline silicon photovoltaic module is the most mainstream photovoltaic power generation unit, and the crystalline silicon photovoltaic module is of a multi-layer rectangular sheet structure consisting of glass, EVA (ethylene vinyl acetate), a battery, EVA (ethylene vinyl acetate) and a back plate, wherein the part is called a laminated piece. Four sides of the crystalline silicon photovoltaic module are fixed by frames made of aluminum alloy, and finally, the solar cell generates electric power and is connected with an external circuit by adopting a junction box. The junction box is adhered to the back plate of the module through silica gel, the outgoing lines in the crystalline silicon photovoltaic module are connected together through the internal circuit in the junction box, and the crystalline silicon photovoltaic module is conducted with an external cable.

The junction box is arranged at the last step of the manufacturing process flow of the crystalline silicon photovoltaic assembly, the junction box is adhered to the crystalline silicon photovoltaic assembly by adopting an adhesive applying process, and then the head end of the outgoing line of the crystalline silicon photovoltaic assembly is connected with a circuit in the junction box; and then, a pouring sealant process is adopted to fill silica gel in the junction box, so that the junction box and the crystalline silicon photovoltaic assembly are better combined, and the junction box is very firmly combined with the crystalline silicon photovoltaic assembly. In case crystal silicon photovoltaic module goes wrong in the course of working and needs to carry out crystal silicon photovoltaic module's before dispatching from the factory repair, perhaps when crystal silicon photovoltaic module retires the back and need carry out crystal silicon photovoltaic module's recycle, all need carry out dismantling of terminal box.

At present, aiming at the two situations that the crystalline silicon photovoltaic module needs to be repaired before leaving the factory and needs to be recycled after the crystalline silicon photovoltaic module is decommissioned when a problem occurs in the processing process of the crystalline silicon photovoltaic module, the junction box needs to be dismantled, and the existing method only adopts manual repair.

The existing method for manually removing the junction box is very difficult to control, basically, the junction box of the assembly is destructively removed by manually forced mechanical force, the method has the obvious defects of time and labor waste and difficulty in force control, the removed junction box and the crystal silicon photovoltaic assembly are damaged to a certain degree, the junction box removing effect is poor, the removing residue is also difficult to control, the residual part of the crystal silicon photovoltaic assembly after the junction box is removed can be damaged to a certain degree, and the efficiency is very low.

If the junction box is dismantled in order to reprocess crystal silicon photovoltaic module, the junction box after dismantling is difficult to be used for the production of crystal silicon photovoltaic module after reprocessing and recycles.

If the terminal box is dismantled for retrieving crystal silicon photovoltaic module, then retrieve the effect not good, also can't satisfy crystal silicon photovoltaic module and retrieve batch production's demand to the general broken handle of terminal box that retrieves comes carries out the material and retrieves again, and wherein the part that the value ratio is higher is the electric wire of terminal box, and it is not good through retrieving the effect after the breakage. The service life of the crystalline silicon photovoltaic module generally requires 20-25 years, the machine loading amount of the current global photovoltaic power station is continuously increased, the crystalline silicon photovoltaic module is decommissioned in batches after several years, the crystalline silicon photovoltaic module needs to be recycled in batches, the junction box cannot be dismantled in the conventional manual mode, and new methods and new equipment must be developed and designed.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: at present, a junction box for recycling a crystal silicon photovoltaic module adopts a manual repair mode.

In order to solve the above technical problem, an aspect of the present invention provides a junction box removing device for a crystalline silicon photovoltaic module, including:

the conveying mechanism is used for conveying the crystalline silicon photovoltaic assembly with the junction box to be detached to the operation table top, and the back side provided with the junction box faces upwards when the crystalline silicon photovoltaic assembly is positioned on the operation table top;

the visual recognition system is used for capturing a back picture of the crystalline silicon photovoltaic module on the operation table top, positioning the position of the junction box by using the back picture and sending the obtained position information of the junction box to the operation device;

the operation device comprises a control unit and a mechanical scraper knife connected with the control unit, the mechanical scraper knife is positioned above the operation table board, the mechanical scraper knife is arranged on the two-direction displacement mechanism, on one hand, the two-direction displacement mechanism drives the mechanical scraper knife to move forwards and backwards along the length direction of the operation table board under the control of the control unit, and on the other hand, the two-direction displacement mechanism drives the mechanical scraper knife to move leftwards and rightwards along the width direction of the operation table board under the control of the control unit;

the mechanical scraper knife comprises a telescopic mechanism driven by a telescopic motor, the telescopic motor is controlled by a control unit, one end of the telescopic mechanism is fixedly connected with a two-direction displacement mechanism, the other end of the telescopic mechanism is fixedly connected with a base, a clamping jaw driving mechanism controlled by the control unit is arranged on the base, the clamping jaw driving mechanism drives two mechanical clamping jaws symmetrically arranged on the left and right to move oppositely and move back to back, a flat scraper knife is arranged at the bottom of each clamping jaw, and the junction box is cut off from the back of the crystalline silicon photovoltaic assembly in the process of moving oppositely under the driving of the mechanical clamping jaws.

Preferably, the conveying mechanism is a crawler-type conveying mechanism or a robot arm.

Preferably, the positioning of the position of the junction box by the visual recognition system comprises the following steps:

the vertex angle of the crystalline silicon photovoltaic assembly or a specific position of the operation table top is used as an original point, and the actual position of the junction box is judged by measuring the relative position of the junction box and the original point in the back picture, so that the position of the junction box is positioned.

Preferably, the operating device further comprises a wire cutting device, the wire cutting device comprises a vertical rail mechanism, a vertical moving slider is arranged on the vertical rail mechanism, a first driving motor controlled by the control unit drives the vertical moving slider to move up and down on the vertical rail mechanism along the height direction of the operating table top, a horizontal rail mechanism is arranged on the vertical moving slider, the horizontal rail mechanism is arranged above the operating table top along the width direction of the operating table top, a horizontal moving slider is arranged on the horizontal rail mechanism, a second driving motor controlled by the control unit drives the horizontal moving slider to move left and right on the horizontal rail mechanism along the width direction of the operating table top, and a cutting knife is arranged at the bottom of the horizontal moving slider and cuts off the electric wire.

Another technical solution of the present invention is to provide a junction box removing method for a crystalline silicon photovoltaic module, which is characterized in that the junction box removing device includes the following steps:

step 1, conveying the crystal silicon photovoltaic module with the back side facing upwards to an operation table top by a conveying mechanism;

step 2, capturing a back picture of the crystalline silicon photovoltaic module on the operating table by the visual recognition system, positioning the position of the junction box by using the back picture, and sending the obtained position information of the junction box to a control unit of the operating device;

step 3, the control unit controls the two-direction displacement mechanism to drive the mechanical scraper knife to move forwards, backwards, leftwards and rightwards according to the position information of the junction box, so that the mechanical scraper knife moves to the position above the junction box;

and 4, controlling a telescopic mechanism of the mechanical scraper knife by the control unit to enable the mechanical clamping jaw to descend until the flat scraper knife contacts the crystalline silicon photovoltaic assembly, controlling the clamping jaw driving mechanism by the control unit, driving the two mechanical clamping jaws to move oppositely from the left side and the right side of the junction box by the clamping jaw driving mechanism, inserting the two flat scraper knives between the junction box and the crystalline silicon photovoltaic assembly from the left side and the right side until the two flat scraper knives collide with each other in the opposite movement process, and cutting off the junction box from the back of the crystalline silicon photovoltaic assembly.

Preferably, after the step 2 and before the step 3, the method further comprises the following steps:

the control unit controls a second driving motor of the wire shearing device according to the position information of the junction box, the second driving motor drives the horizontal moving sliding block to move left and right, so that the cutting knife on the horizontal moving sliding block is positioned right above the wire led out from the junction box, and the control unit controls the first driving motor, and the vertical moving sliding block drives the cutting knife to move downwards to cut off the wire.

The invention relates to a crystal silicon photovoltaic assembly junction box dismantling method and a device, which are greatly improved on the original dismantling method, and in order to reduce the damage of assemblies and improve the dismantling efficiency of the junction box, the invention has a position identification function on an operation table surface, firstly adopts a wire shearing device to shear redundant wires at the rear part of the junction box so as to be convenient for directly recycling the wires, and adopts a mechanical scraper knife, wherein cutting edges at the left side and the right side respectively enter a glue layer bonded with the junction box and the assemblies from the two sides of the junction box, and the glue bonded between the junction box and the assemblies is cut by a sharp cutting edge, so that the junction box can be kept in a complete state and cut, a better assembly laminating part state can be kept, and the assembly laminating part is not damaged. If necessary, the junction box can be preheated, so that the silica gel is softened, and the junction box can be more easily detached.

Drawings

Fig. 1 is a schematic general structural diagram of a junction box removing device of a crystalline silicon photovoltaic module provided by the invention;

fig. 2 is a schematic structural view of the mechanical blade of the present invention.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

As shown in fig. 1, the junction box removing device for a crystalline silicon photovoltaic module provided by the invention comprises an equipment operating table top 1, wherein a crystalline silicon photovoltaic module 2 of which the junction box 3 is to be removed is placed on the operating table top 1 with the back side facing upwards through a crawler conveying mechanism connected with the operating table top 1 or by adopting a robot arm.

The side of the operation table board 1 is provided with a visual identification system 4, and the crystalline silicon photovoltaic module 2 is placed on the operation table board 1 through a crawler belt transmission mechanism or a robot arm, so that the position of the crystalline silicon photovoltaic module 2 on the operation table board 1 is a set fixed position. Based on the fixed position, the installation position of the visual recognition system 4 can be selected. The visual recognition system 4 comprises a front-end camera device and a rear-end control unit, the control unit can be an industrial personal computer or a conventional PC, and the technical personnel in the field can select the control unit according to the needs. The camera device captures back pictures of the crystalline silicon photovoltaic assembly 2 on the operation table board 1 and sends the back pictures to the control unit. The control unit positions the junction box 3 on the crystalline silicon photovoltaic assembly 2 by using the back picture to obtain the position information of the junction box 3. The positioning mode of the junction box 3 can be that the vertex angle of the crystalline silicon photovoltaic component 2 or a specific position of the operation table top 1 is used as an origin, and the actual position of the junction box 3 is judged by measuring the relative position of the junction box 3 and the origin in the back picture, so that the junction box 3 is positioned.

The control unit controls the operating device in accordance with the position information so that the operating device operates the terminal block 3. The operating device comprises a wire cutting device 5 and a mechanical scraper blade 6, wherein the wire cutting device 5 is not necessary, and the wire cutting device 5 can be omitted if the wires at the tail part of the junction box 3 are not required to be cut.

The thread trimming device 5 comprises a vertical track mechanism 7, and a vertical moving slide block is arranged on the vertical track mechanism 7. The driving motor I controlled by the control unit drives the vertical moving slide block to move up and down on the vertical track mechanism 7 along the height direction of the operation table top 1. The horizontal track mechanism 8 is arranged on the vertical moving slide block, and the horizontal track mechanism 8 is arranged above the operation table board 1 along the width direction of the operation table board 1. The horizontal track mechanism 8 is provided with a horizontal moving slide block 9, a driving motor II controlled by a control unit drives the horizontal moving slide block 9 to move leftwards and rightwards on the horizontal track mechanism 8 along the width direction of the operation table board 1, the bottom of the horizontal moving slide block 9 is provided with a cutting knife with a U-shaped or V-shaped sharp edge, and the cutting knife cuts off the electric wire clamped into the U-shaped or V-shaped sharp edge.

After the position of the wire at the tail part of the junction box 3 is determined, the wire is moved to the root part of the wire by the wire cutting device 5 to cut and take away the wire, and if the junction box 3 does not need to be cut, the part can be omitted. After the remaining part of the terminal box 3 where the electric wire is cut is positioned by the visual recognition system 4 (if the operation positions of the wire cutting device 5 and the mechanical scraper 6 do not conflict, the assembly position does not move, and the assembly position does not need to be positioned again), the mechanical scraper 6 in fig. 2 is used for scraping.

As shown in fig. 2, the mechanical blade 6 is located above the operation table 1, the mechanical blade 6 is located on the two-direction displacement mechanism, and the two-direction displacement mechanism drives the mechanical blade 6 to move forward and backward along the length direction of the operation table 1 under the control of the control unit, and drives the mechanical blade 6 to move left and right along the width direction of the operation table 1 under the control of the control unit.

The mechanical scraper knife 6 comprises a telescopic mechanism 10 driven by a telescopic motor to stretch, the telescopic motor 7 is controlled by a control unit, one end of the telescopic mechanism 10 is fixedly connected with the two-direction displacement mechanism, and the other end of the telescopic mechanism is fixedly connected with the base 11. The base 11 is provided with a clamping jaw driving mechanism controlled by a control unit, the clamping jaw driving mechanism drives the two mechanical clamping jaws 12 symmetrically arranged on the left and right to move oppositely and move back to back, the bottom of each mechanical clamping jaw 12 is provided with a flat scraper knife 13, and the two flat scraper knives 13 are driven by the mechanical clamping jaws 12 to move oppositely so as to cut off the junction box 3 from the back of the crystalline silicon photovoltaic assembly 2.

In actual work, after the junction box 3 is positioned, the two-direction displacement mechanism drives the mechanical scraper knife 6 to move to the upper part of the junction box 3 under the control of the control unit, the flat scraper knife 13 descends to contact the back of the crystalline silicon photovoltaic assembly 2 to be processed to form the state in the figure 2, then the mechanical clamping jaw 12 moves from the left side and the right side to the middle simultaneously to drive the two flat scraper knives 13 to cut off the junction box 3 from the back of the crystalline silicon photovoltaic assembly 2, and the design can not damage the assembly while cutting off the junction box

The device is suitable for assemblies with different sizes and junction boxes with different sizes, only the operation table board 1, the wire cutting device 5, the base 11 and the mechanical clamping jaw 12 are partially matched with the sizes of the assembly to be processed and the junction box 3 thereof, and the working principle and the method are the same.

A junction box dismantling method of a crystalline silicon photovoltaic assembly comprises the following steps:

step 1, conveying a crystal silicon photovoltaic assembly 2 with an upward back surface to an operation table top 1 by a conveying mechanism;

step 2, capturing a back picture of the crystalline silicon photovoltaic assembly 2 on the operation table board 1 by the vision recognition system 4, positioning the position of the junction box 3 by using the back picture, and sending the obtained junction box position information to a control unit of the operation device;

step 3, the control unit controls the two-direction displacement mechanism to drive the mechanical scraper knife 6 to move forwards, backwards, leftwards and rightwards according to the position information of the junction box, so that the mechanical scraper knife 6 moves to the upper part of the junction box;

and 4, the control unit controls the telescopic mechanism 10 of the mechanical scraper knife 6 to enable the mechanical clamping jaw 12 to descend until the flat scraper knife 13 contacts the crystalline silicon photovoltaic assembly 2, then the control unit controls the clamping jaw driving mechanism, the clamping jaw driving mechanism drives the two mechanical clamping jaws 12 to move oppositely from the left side and the right side of the junction box, in the process of opposite movement, the two flat scraper knives 13 are inserted between the junction box 3 and the crystalline silicon photovoltaic assembly 2 from the left side and the right side until the two flat scraper knives 13 collide with each other, and therefore the junction box 3 is cut off from the back of the crystalline silicon photovoltaic assembly 2.

If the wires at the tail part of the junction box 3 need to be cut off, the method further comprises the following steps after the step 2 and before the step 3:

the control unit controls a second driving motor of the wire shearing device 5 according to the position information of the junction box, the second driving motor drives the horizontal moving sliding block to move left and right, so that the cutting knife on the horizontal moving sliding block is positioned right above the wire led out from the junction box, the control unit controls the first driving motor, the vertical moving sliding block drives the cutting knife to move downwards until the wire is clamped into the U-shaped or V-shaped sharp edge of the cutting knife and then is cut off.