CN220763256U - Controllable pre-crosslinking device capable of reducing solar film shrinkage - Google Patents
Controllable pre-crosslinking device capable of reducing solar film shrinkage Download PDFInfo
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- CN220763256U CN220763256U CN202322565144.9U CN202322565144U CN220763256U CN 220763256 U CN220763256 U CN 220763256U CN 202322565144 U CN202322565144 U CN 202322565144U CN 220763256 U CN220763256 U CN 220763256U
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- film
- solar film
- bolts
- frame body
- cooling
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- 238000004132 cross linking Methods 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000004804 winding Methods 0.000 claims description 29
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 10
- 239000003431 cross linking reagent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a controllable pre-crosslinking device capable of reducing solar film shrinkage, which relates to the technical field of solar films, and comprises a film extruder, wherein the film outlet end of the film extruder is provided with two infrared lamp tubes which are arranged in a mirror image manner; the infrared lamp tube is fixed on the frame body through bolts, two cooling rollers are arranged on the inner side of the frame body, and the two cooling rollers are sequentially distributed from top to bottom; according to the utility model, the solar film is extruded by the film extruder, passes through the middle of two infrared lamp tubes, and the pre-crosslinking degree of a product can be controlled by controlling the temperature of the infrared lamp, so that the shrinkage rate of the solar film is controlled; after heating, the solar film is required to be cooled, the solar film is prevented from being heated and adhered or deformed, the solar film is pressed by the two cooling rollers, and the solar film is conveyed and cooled simultaneously, so that the problem is effectively solved.
Description
Technical Field
The utility model particularly relates to the technical field of solar films, in particular to a controllable pre-crosslinking device capable of reducing the shrinkage rate of a solar film.
Background
The photovoltaic EVA packaging film is prepared by adding various necessary auxiliary agents into ethylene-vinyl acetate copolymer (EVA), and has the main effects in the use of solar cell packaging: supporting and fixing the solar cell; the transmittance of sunlight is increased; the damage of the external environment to the performance of the battery piece is resisted, and the battery piece is protected.
The solar film contains a cross-linking agent, the cross-linking agent is decomposed to generate free radicals under the action of high temperature, the EVA adhesive film is subjected to stretching action in the production process to generate stress, the EVA adhesive film is heated and cooled again to shrink, and the shrinkage rate is the percentage of the shrinking length to the original length. Excessive shrinkage can cause doubling when the photovoltaic module is manufactured in the later stage;
therefore, the problem of controlling the shrinkage rate of the photovoltaic EVA packaging film during production needs to be solved; therefore, we provide a controllable pre-crosslinking device capable of reducing the shrinkage rate of the solar film, the solar film extruded by the film extruder passes through the middle of two infrared lamp tubes, and the pre-crosslinking degree of the product can be controlled by controlling the temperature of the infrared lamp, so that the shrinkage rate of the film is controlled, thereby effectively compensating the problems.
Disclosure of Invention
The utility model aims to provide a controllable pre-crosslinking device capable of reducing the shrinkage rate of a solar film, which is used for solving the problems that the solar film proposed in the background technology contains a crosslinking agent, the crosslinking agent is decomposed to generate free radicals under the action of high temperature, an EVA molecular chain is changed into a three-dimensional reticular structure from a linear structure, the standard is more than 75%, the optimal range is about 85%, and EVA materials with low crosslinking degree are loose, poor in toughness and tensile strength and low in peeling strength; the problem of EVA hardening, reduced peel strength, and even EVA cracking with the back plate or glass and reduced aging performance caused by too high crosslinking degree.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the controllable pre-crosslinking device capable of reducing the solar film shrinkage comprises a film extruder, wherein the film outlet end of the film extruder is provided with two infrared lamp tubes, and the two infrared lamp tubes are arranged in a mirror image mode; the infrared lamp tube is fixed on the frame body through bolts, two cooling rollers are arranged on the inner side of the frame body, and the two cooling rollers are sequentially distributed from top to bottom; the two cooling rollers are connected with a bearing with a seat arranged on the frame body in a matched manner.
As a further technical scheme of the utility model, one end of the cooling roller is provided with a water inlet pipe and a water outlet pipe, and the other end is provided with a connecting pipe; the water inlet pipe, the water outlet pipe and the connecting pipe are connected with the cooling roller in a matched mode through the rotary joint, wherein the other ends of the water inlet pipe and the water outlet pipe are connected with the output end and the input end of the cooling tower in a matched mode respectively.
As a further technical scheme of the utility model, one end of the cooling roller above the two cooling rollers is connected with a linkage gear in a matched manner, and the linkage gear is meshed with a driving gear; the driving gear is connected with an output shaft of a speed reducer in a matched mode, the speed reducer is connected with a driving motor in a matched mode, and the speed reducer is fixed on the frame body through bolts.
As a further technical scheme of the utility model, a winding motor fixing frame is fixed on one side of the frame body through bolts, and a winding roller is arranged on one side of the winding motor fixing frame; the winding roller is inserted and connected to the outer side of the cross rotating shaft, and the cross rotating shaft is in fit connection with a bearing with a seat arranged on the winding motor fixing frame; one end of the wind-up roll, which is far away from the cross rotating shaft, is lapped on a lapping frame, and the lapping frame is fixed on the frame body through bolts.
As a further technical scheme of the utility model, one end of the cross rotating shaft is connected with a driving shaft of a winding motor in a matched manner, and the winding motor is fixed on a winding motor fixing frame through bolts.
As a further technical scheme of the utility model, the film extruder is fixed on the operating platform through bolts.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the solar film is extruded by the film extruder, passes through the middle of two infrared lamp tubes, and the pre-crosslinking degree of a product can be controlled by controlling the temperature of the infrared lamp, so that the shrinkage rate of the solar film is controlled; after heating, the solar film is required to be cooled, so that the solar film is prevented from being heated, adhered or deformed, the solar film is pressed by the two cooling rollers, and the solar film is conveyed and cooled simultaneously, so that the problems are effectively solved;
according to the utility model, cold water output by the cooling tower enters the cooling roller below through the water inlet pipe, enters the cooling roller above through the connecting pipe, enters the cooling tower again through the water outlet pipe for refrigeration, and forms cold water circulation, so that the temperature of the cooling roller is reduced; the rotary joint in matched connection can ensure that the water inlet pipe, the water outlet pipe and the connecting pipe are not affected when the cooling roller rotates;
according to the solar film cooling device, the driving motor is matched with the speed reducer to drive the driving gear to rotate, so that the meshed linkage gear is driven to rotate, the cooling roller above the solar film cooling device has rotating power, and under the effect of lamination, the cooling roller below the solar film cooling device sequentially rotates to convey and cool the solar film.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is another view of fig. 1 of the present utility model.
Fig. 3 is a right side view of fig. 1 in the present utility model.
Fig. 4 is an enlarged view of a portion of fig. 1 in the present utility model.
Fig. 5 is a schematic view of the partial structure of fig. 1 in the present utility model.
Fig. 6 is another view of fig. 5 in accordance with the present utility model.
Fig. 7 is a right side view of fig. 6 in accordance with the present utility model.
In the figure: the film extruder comprises a film extruder body, a machine frame body, a cooling roller, a rotary joint, a connecting pipe 5, a water inlet pipe 6, a water outlet pipe 7, a speed reducer 8, a driving gear 9, a linkage gear 10, a driving motor 11, a winding motor fixing frame 12, a winding motor 13, a cross rotating shaft 14, a winding roller 15, a lap joint frame 16, an infrared lamp tube 17 and an operating platform 18.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 7, in an embodiment of the present utility model, a controllable pre-crosslinking device capable of reducing solar film shrinkage includes a film extruder 1, wherein an infrared lamp tube 17 is disposed at a film outlet end of the film extruder 1, two infrared lamp tubes 17 are disposed, and the two infrared lamp tubes 17 are disposed in mirror images; the infrared lamp tube 17 is fixed on the frame body 2 through bolts, two cooling rollers 3 are arranged on the inner side of the frame body 2, and the two cooling rollers 3 are distributed in sequence from top to bottom; the two cooling rollers 3 are connected with a bearing with a seat arranged on the frame body 2 in a matching way.
By adopting the technical scheme, the film extruder 1 extrudes the solar film, the solar film passes through the middle of the two infrared lamp tubes 17, and the pre-crosslinking degree of the product can be controlled by controlling the temperature of the infrared lamp, so that the shrinkage rate of the solar film is controlled; after heating, the solar film is required to be cooled, the solar film is prevented from being heated and adhered or deformed, the solar film is pressed by the two cooling rollers 3, and the solar film is conveyed and cooled simultaneously, so that the problems are effectively solved.
In this embodiment, one end of the cooling roller 3 is provided with a water inlet pipe 6 and a water outlet pipe 7, and the other end is provided with a connecting pipe 5; the water inlet pipe 6, the water outlet pipe 7 and the connecting pipe 5 are connected with the cooling roller 3 in a matched mode through the rotary joint 4, wherein the other ends of the water inlet pipe 6 and the water outlet pipe 7 are connected with the output end and the input end of the cooling tower in a matched mode respectively.
By adopting the technical scheme, cold water output by the cooling tower enters the cooling roller 3 below through the water inlet pipe 6, enters the cooling roller 3 above through the connecting pipe 5, enters the cooling tower again through the water outlet pipe 7 for refrigeration, and forms cold water circulation, so that the temperature of the cooling roller 3 is reduced; the rotary joint 4 in matched connection can ensure that the water inlet pipe 6, the water outlet pipe 7 and the connecting pipe 5 are not affected when the cooling roller 3 rotates.
In the embodiment, one end of the cooling roller 3 above the two cooling rollers 3 is connected with a linkage gear 10 in a matching way, and the linkage gear 10 is meshed with a driving gear 9; the driving gear 9 is connected with an output shaft of the speed reducer 8 in a matched mode, the speed reducer 8 is connected with the driving motor 11 in a matched mode, and the speed reducer 8 is fixed on the frame body 2 through bolts.
Through adopting above-mentioned technical scheme, driving motor 11 cooperates speed reducer 8 to drive gear 9 rotation to drive the linkage gear 10 rotation of meshing, make the chill roll 3 of top have pivoted power, under the effect of pressfitting, chill roll 3 of below rotate in succession, transmit and cool off the solar film.
In this embodiment, a winding motor fixing frame 12 is fixed on one side of the frame body 2 through bolts, and a winding roller 15 is arranged on one side of the winding motor fixing frame 12; the winding roller 15 is inserted and connected to the outer side of the cross rotating shaft 14, and the cross rotating shaft 14 is in fit connection with a bearing with a seat arranged on the winding motor fixing frame 12; one end of the wind-up roll 15 far away from the cross rotary shaft 14 is lapped on a lapping frame 16, and the lapping frame 16 is fixed on the frame body 2 through bolts.
Through adopting above-mentioned technical scheme, wind-up roll 15 grafting is in the cross pivot 14 outside, and the staff of being convenient for takes down wind-up roll 15, and overlap joint frame 16 plays the supporting role to the wind-up roll 15 other end.
In this embodiment, one end of the cross shaft 14 is connected with a driving shaft of the winding motor 13 in a matching manner, and the winding motor 13 is fixed on the winding motor fixing frame 12 through bolts.
Through adopting above-mentioned technical scheme, the drive shaft of rolling motor 13 drives cross pivot 14 and rotates to wind-up roll 15 rotates, rolls up the solar membrane.
In this embodiment, the film extruder 1 is fixed to the operation table 18 by bolts.
By adopting the technical scheme, the operation table 18 plays a supporting role on the film extruder 1, so that the extruded solar film conveniently stretches into the middle of the two infrared lamp tubes 17.
The working principle of the utility model is as follows: when the solar film is used, the film extruder 1 extrudes a solar film, the solar film passes through the middle of the two infrared lamp tubes 17, and the pre-crosslinking degree of a product can be controlled by controlling the temperature of the infrared lamp, so that the shrinkage rate of the solar film is controlled; after heating, the solar film is required to be cooled, the solar film is prevented from being heated and adhered or deformed, the driving motor 11 is matched with the speed reducer 8 to drive the driving gear 9 to rotate, so that the meshed linkage gear 10 is driven to rotate, the upper cooling roller 3 has rotating power, and under the action of lamination, the lower cooling roller 3 rotates successively to transmit and cool the solar film; cold water output by the cooling tower enters the cooling roller 3 below through the water inlet pipe 6, enters the cooling roller 3 above through the connecting pipe 5, enters the cooling tower again through the water outlet pipe 7 for refrigeration, and forms cold water circulation, so that the temperature of the cooling roller 3 is reduced; the rotary joint 4 in matched connection can ensure that the water inlet pipe 6, the water outlet pipe 7 and the connecting pipe 5 are not affected when the cooling roller 3 rotates; the driving shaft of the winding motor 13 drives the cross rotating shaft 14 to rotate, so that the winding roller 15 rotates to wind the solar film; the wind-up roller 15 is inserted in the outer side of the cross rotating shaft 14, so that a worker can conveniently take down the wind-up roller 15, and the lap joint frame 16 plays a supporting role on the other end of the wind-up roller 15.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Can reduce controllable pre-crosslinking device of solar membrane shrinkage, its characterized in that: the film extrusion device comprises a film extruder (1), wherein the film outlet end of the film extruder (1) is provided with two infrared lamp tubes (17), and the two infrared lamp tubes (17) are arranged in a mirror image mode; the infrared lamp tube (17) is fixed on the frame body (2) through bolts, two cooling rollers (3) are arranged on the inner side of the frame body (2), and the two cooling rollers (3) are sequentially distributed from top to bottom; the two cooling rollers (3) are connected with a bearing with a seat arranged on the frame body (2) in a matching way.
2. A controllable pre-crosslinking apparatus capable of reducing solar film shrinkage according to claim 1, wherein: one end of the cooling roller (3) is provided with a water inlet pipe (6) and a water outlet pipe (7), and the other end is provided with a connecting pipe (5); the water inlet pipe (6), the water outlet pipe (7) and the connecting pipe (5) are connected with the cooling roller (3) in a matched mode through the rotary joint (4), wherein the other ends of the water inlet pipe (6) and the water outlet pipe (7) are connected with the output end and the input end of the cooling tower in a matched mode respectively.
3. A controllable pre-crosslinking apparatus capable of reducing solar film shrinkage according to claim 2, wherein: one end of the cooling roller (3) above the two cooling rollers (3) is connected with a linkage gear (10) in a matching way, and the linkage gear (10) is meshed with a driving gear (9); the driving gear (9) is connected with an output shaft of the speed reducer (8) in a matched mode, the speed reducer (8) is connected with the driving motor (11) in a matched mode, and the speed reducer (8) is fixed on the frame body (2) through bolts.
4. A controllable pre-crosslinking apparatus capable of reducing solar film shrinkage according to claim 1, wherein: a winding motor fixing frame (12) is fixed on one side of the frame body (2) through bolts, and a winding roller (15) is arranged on one side of the winding motor fixing frame (12); the winding roller (15) is inserted and connected to the outer side of the cross rotating shaft (14), and the cross rotating shaft (14) is connected with a bearing with a seat arranged on the winding motor fixing frame (12) in a matched manner; one end of the wind-up roll (15) far away from the cross rotating shaft (14) is lapped on a lapping frame (16), and the lapping frame (16) is fixed on the frame body (2) through bolts.
5. A controllable pre-crosslinking apparatus capable of reducing solar film shrinkage as claimed in claim 4, wherein: one end of the cross rotating shaft (14) is connected with a driving shaft of the winding motor (13) in a matched mode, and the winding motor (13) is fixed on the winding motor fixing frame (12) through bolts.
6. A controllable pre-crosslinking apparatus capable of reducing solar film shrinkage according to claim 1, wherein: the film extruder (1) is fixed on the operating platform (18) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322565144.9U CN220763256U (en) | 2023-09-21 | 2023-09-21 | Controllable pre-crosslinking device capable of reducing solar film shrinkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322565144.9U CN220763256U (en) | 2023-09-21 | 2023-09-21 | Controllable pre-crosslinking device capable of reducing solar film shrinkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763256U true CN220763256U (en) | 2024-04-12 |
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ID=90614791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322565144.9U Active CN220763256U (en) | 2023-09-21 | 2023-09-21 | Controllable pre-crosslinking device capable of reducing solar film shrinkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763256U (en) |
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2023
- 2023-09-21 CN CN202322565144.9U patent/CN220763256U/en active Active
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