CN216337902U - Manufacturing system for producing photovoltaic solder strip by using fine copper wires - Google Patents
Manufacturing system for producing photovoltaic solder strip by using fine copper wires Download PDFInfo
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- CN216337902U CN216337902U CN202122525660.XU CN202122525660U CN216337902U CN 216337902 U CN216337902 U CN 216337902U CN 202122525660 U CN202122525660 U CN 202122525660U CN 216337902 U CN216337902 U CN 216337902U
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Abstract
The utility model relates to the field of photovoltaic solder strip manufacturing, and particularly discloses a manufacturing system for producing a photovoltaic solder strip by using fine copper wires, which comprises a pay-off device, a short circuit annealing device, a tinning device and a winding device which are sequentially arranged from left to right; the paying-off device is used for releasing the copper wire, the short circuit annealing device is used for annealing the copper wire, the tinning device is used for tinning the surface of the copper wire, and the winding device is used for winding the tinned copper wire. Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: 1. the micro welding strip is manufactured by adopting the micro copper wire, so that the problem of low overall power of the assembly caused by the fact that the lighting and power generating area of the battery piece is shielded by the welding strip is solved; 2. the insufficient solder joint problem that appears when effectively improving battery piece and welding the area welding.
Description
Technical Field
The utility model relates to the field of photovoltaic solder strip manufacturing, in particular to a manufacturing system for producing a photovoltaic solder strip by using micro copper wires.
Background
With the continuous improvement of the multi-master grid battery plate technology, the specification of the solder strip is changed in order to meet the power increasing requirement of the multi-master grid assembly. The traditional multi-main-grid assembly mainly uses a large-diameter welding strip, so that the area of a battery piece shielded by the welding strip is increased, the area for lighting and power generation is reduced, and the overall power of the assembly cannot be effectively improved. In order to increase the whole power of the module by increasing the lighting and power generation area of the battery piece, the micro circular welding strip starts to gradually replace the welding strip with the traditional specification.
Therefore, the manufacturing of the fine circular solder strip can solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model mainly aims to provide a manufacturing system for producing a photovoltaic welding strip by using a fine copper wire, so as to solve the technical problem that a large-diameter welding strip is adopted to shield a lighting area in the prior art.
In order to achieve the above object, the present invention adopts the following technical solutions.
A manufacturing system for producing photovoltaic solder strips by using micro copper wires comprises a pay-off device, a short circuit annealing device, a tinning device and a winding device which are sequentially arranged from left to right; the paying-off device is used for releasing the copper wire, the short circuit annealing device is used for annealing the copper wire, the tinning device is used for tinning the surface of the copper wire, and the winding device is used for winding the tinned copper wire.
Further, the pay-off device comprises a pay-off rack, a pay-off cylinder is horizontally arranged on the pay-off rack, and a piston rod of the pay-off cylinder is connected with a pay-off movable tip cone; a pay-off motor is horizontally arranged on the pay-off rack, an output shaft of the pay-off motor is connected with a pay-off fixed tip cone, and the pay-off movable tip cone and the pay-off fixed tip cone are arranged oppositely; and a copper wire coil is clamped between the movable tip cone and the fixed tip cone.
Further, the short circuit annealing device comprises an annealing frame, a cooling water tank is arranged on the annealing frame, an upper annealing wheel is arranged on the annealing frame above the cooling water tank, and a lower annealing wheel is arranged in the water tank; an annealing protective glass tube is arranged between the upper annealing wheel and the lower annealing wheel, and protective gas is introduced into the tube; the copper wire output from the pay-off device is wound in from the upper annealing wheel, passes through the annealing protective glass tube, and is wound out after passing through the lower annealing wheel; the upper annealing wheel is connected with the anode of the annealing power supply, and the lower annealing wheel is connected with the cathode of the annealing power supply.
Further, the protective gas is nitrogen.
Furthermore, be provided with first line wheel of crossing on the annealing frame, first line wheel of crossing is located annealing wheel top down, has vertical tangent line altogether between the right side of first line wheel of crossing and the left side of annealing wheel down.
Further, the tinning device comprises a tin liquor pool, an air knife is arranged above the tin liquor pool, and a cooling fan is arranged above the air knife; a second wire passing wheel is further arranged above the tin liquid pool, a wire pressing wheel is arranged in the tin liquid pool, a third wire passing wheel is arranged above the cooling fan, and the copper wires coming out of the short circuit annealing device sequentially pass through the second wire passing wheel and the wire pressing wheel and pass through the air knife and the cooling fan and then pass through the third wire passing wheel and then are wound out.
Further, the coiling mechanism contains the rolling frame, is provided with the rolling on the rolling frame and moves the apical cone and the apical cone is decided in the rolling, and the rolling moves apical cone and rolling and moves and press from both sides between the apical cone and be equipped with the empty drum that is used for twining the tin-plating and welds the area, and the coiling mechanism is used for rolling the tin-plating that the tinning mechanism exported and welds the area to empty drum.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: 1. the micro welding strip is manufactured by adopting the micro copper wire, so that the problem of low overall power of the assembly caused by the fact that the lighting and power generating area of the battery piece is shielded by the welding strip is solved; 2. the insufficient solder joint problem that appears when effectively improving battery piece and welding the area welding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a manufacturing system for producing photovoltaic solder strips from fine copper wire according to the present invention;
in the above figures:
1, a pay-off device; 101, a pay-off rack; 102 paying off a movable tip cone; 103 paying off a motor; 104 paying off a fixed tip cone;
2 short-circuit annealing device; 201 an annealing frame; 202 cooling water tank; 203 an annealing wheel; 204 lower annealing wheel; 205 annealing the protective glass tube; 206 a first wire passing wheel;
3 a tin plating device; 301 a tin liquid pool; 302 air knife; 303 a cooling fan; 304 second wire passing wheels; 305 a creasing wheel; 306 a third wire wheel;
4, winding the device; 401, winding a frame; 402 empty wire coil.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The utility model can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the utility model. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, a manufacturing system for producing a photovoltaic solder strip by using a fine copper wire comprises a pay-off device 1, a short circuit annealing device 2, a tinning device 3 and a winding device 4 which are arranged in sequence from left to right; the paying-off device 1 is used for releasing copper wires, the short circuit annealing device 2 is used for annealing the copper wires, the tinning device 3 is used for tinning the surfaces of the copper wires, and the winding device 4 is used for winding the tinned copper wires.
Further, the pay-off device 1 comprises a pay-off rack 101, a pay-off cylinder is horizontally arranged on the pay-off rack 101, and a piston rod of the pay-off cylinder is connected with a pay-off movable tip cone 102; a pay-off motor 103 is horizontally arranged on the pay-off rack 101, an output shaft of the pay-off motor 103 is connected with a pay-off fixed tip cone 104, and the pay-off movable tip cone 102 is arranged opposite to the pay-off fixed tip cone 104; and a copper wire coil is clamped between the movable tip cone and the fixed tip cone. A copper wire disc is clamped between the paying-off movable tip cone 102 and the paying-off fixed tip cone 104, the paying-off cylinder is used for clamping the copper wire disc, and the paying-off motor 103 is used for providing driving force for the copper wire disc.
Further, the short circuit annealing device 2 comprises an annealing frame 201, a cooling water tank 202 is arranged on the annealing frame 201, an upper annealing wheel 203 is arranged on the annealing frame 201 above the cooling water tank 202, and a lower annealing wheel 204 is arranged in the water tank; an annealing protective glass tube 205 is arranged between the upper annealing wheel 203 and the lower annealing wheel 204, and protective gas is introduced into the tube; the copper wire output from the pay-off device 1 winds in from the upper annealing wheel 203, passes through the annealing protective glass tube 205, winds out after bypassing the lower annealing wheel 204; the upper annealing wheel 203 is connected with the anode of the annealing power supply, and the lower annealing wheel 204 is connected with the cathode of the annealing power supply. The protective gas is nitrogen. A first wire passing wheel 206 is arranged on the annealing frame 201, the first wire passing wheel 206 is positioned above the lower annealing wheel 204, and a vertical common tangent line is arranged between the right side of the first wire passing wheel 206 and the left side of the lower annealing wheel 204. The annealing power supply adopts a voltage direct current. An annealing protective glass tube 205 is arranged between the upper annealing wheel 203 and the lower annealing wheel 204, so that the heated copper wire can be effectively prevented from being oxidized by oxygen in the air. The copper wire is heated by the short circuit annealing device 2 and then cooled by the cooling water tank 202, and the annealing of the copper wire is completed.
Further, the tin plating device 3 comprises a tin liquid pool 301, an air knife 302 is arranged above the tin liquid pool 301, and a cooling fan 303 is arranged above the air knife 302; a second wire passing wheel 304 is further arranged above the tin liquid pool 301, a wire pressing wheel 305 is arranged in the tin liquid pool 301, a third wire passing wheel 306 is arranged above the cooling fan 303, and copper wires coming out of the short circuit annealing device 2 sequentially pass through the second wire passing wheel 304 and the wire pressing wheel 305, pass through the air knife 302 and the cooling fan 303, and then pass through the third wire passing wheel 306 and then are led out.
The air knife 302 is used for blowing off redundant tin liquid on the copper wire, and the thickness of the tin layer on the surface of the copper wire can be adjusted by adjusting the air quantity of the air knife 302. The cooling fan 303 is used for cooling the copper wire which is just plated with tin, so that the tin layer is better adhered to the surface of the copper wire. So far, copper wire has become the solder strip.
Further, coiling mechanism 4 contains rolling frame 401, be provided with rolling on the rolling frame 401 and move the tip cone and rolling and decide the tip cone, the rolling moves and presss from both sides between the tip cone and the rolling and is equipped with the empty reel 402 that is used for twining the tin-plated solder strip, coiling mechanism 4 is used for rolling the tin-plated solder strip that tin-plating mechanism 3 exported to empty reel 402.
Taking a copper wire with the diameter of 0.18mm as a raw material, and producing a fine round welding strip with the diameter of 0.20mm as an example, the production process sequentially comprises five procedures of unreeling, annealing, tinning, cooling and reeling.
Unreeling: and an active pay-off mode is adopted. And a copper wire coil with a diameter of 0.18mm is clamped between the fixed paying-off tip cone and the movable paying-off tip cone through a paying-off cylinder, and the movable paying-off tip cone is connected with a motor. A wire passing wheel is installed at the high unreeling position, and when the copper wires on the copper wire coil are unreeled out, the copper wires enter an annealing process through the wire passing wheel.
Annealing: the contact short circuit annealing mode is adopted, and the annealing device consists of an upper annealing wheel, a lower annealing wheel, an annealing protective glass tube and a cooling water tank. The positive and negative poles of the annealing power supply are respectively connected with an upper annealing wheel and a lower annealing wheel, the lower annealing wheel is arranged in a cooling water tank, an annealing protective glass tube is arranged above the wheels, and the glass tube is filled with protective gas to prevent copper wires from being oxidized during annealing. The copper wire firstly passes through the upper annealing wheel, enters the annealing protective glass tube and then enters the lower annealing wheel in the water tank, and when the copper wire simultaneously contacts the upper annealing wheel and the lower annealing wheel, the copper wire is heated, and the copper wire reaches the highest temperature before entering the liquid level of the water tank and then directly enters the cooling water to achieve the annealing purpose.
Tin plating and cooling: and an annular air knife tinning mode is adopted. Copper wires enter the liquid tin through the pulleys, the wire pressing wheel is arranged in the tin liquid pool, the copper wires are discharged out of the tin liquid pool after passing through the wire pressing wheel from the tin liquid pool, then the tin plating is finished after excessive tin is blown off by the air knife through the air knife arranged above the tin liquid pool, and the thickness of a plating layer is controlled to be 0.15-0.20 mm. Since the solder strip is still hot after tinning, cooling is required. And air cooling is adopted, so that the solder strip enters a channel provided with two rows of cooling fans after being tinned, and the surface of the solder strip is cooled.
Winding: and winding the welding strip onto an empty wire coil through an active winding disk with a wire arranging mechanism to complete winding.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: 1. the problem of low overall power of the assembly caused by shielding of lighting and power generation areas of the battery pieces by the welding belts is solved; because the diameter of the welding strip becomes thin, the area shielded by the welding strip behind the welding machine becomes small, the area capable of effectively generating electricity is increased, and the power generation power of the assembly is effectively improved. 2. The insufficient solder joint problem that appears when effectively improving battery piece and welding the area welding. Because the diameter of the welding strip becomes thin, the sectional area of the welding strip also becomes small, the heat transfer effect becomes fast during welding, the tin layer on the surface of the welding strip can be fully absorbed and melted, the welding of the battery piece is firmer, and the generation of false welding is reduced.
Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
Claims (7)
1. A manufacturing system for producing photovoltaic solder strips by using micro copper wires is characterized by comprising a pay-off device (1), a short circuit annealing device (2), a tinning device (3) and a winding device (4) which are sequentially arranged from left to right; the paying-off device (1) is used for releasing copper wires, the short circuit annealing device (2) is used for annealing the copper wires, the tinning device (3) is used for tinning the surfaces of the copper wires, and the winding device (4) is used for winding the tinned copper wires.
2. The manufacturing system for producing the photovoltaic solder strip by using the fine copper wires as recited in claim 1, wherein the pay-off device (1) comprises a pay-off rack (101), a pay-off cylinder is horizontally arranged on the pay-off rack (101), and a piston rod of the pay-off cylinder is connected with a pay-off movable tip cone (102); a pay-off motor (103) is horizontally arranged on the pay-off rack (101), an output shaft of the pay-off motor (103) is connected with a pay-off fixed tip cone (104), and the pay-off movable tip cone (102) is opposite to the pay-off fixed tip cone (104); and a copper wire coil is clamped between the movable tip cone and the fixed tip cone.
3. The manufacturing system for producing the photovoltaic solder strip by using the fine copper wires according to claim 1, wherein the short circuit annealing device (2) comprises an annealing frame (201), a cooling water tank (202) is arranged on the annealing frame (201), an upper annealing wheel (203) is arranged on the annealing frame (201) above the cooling water tank (202), and a lower annealing wheel (204) is arranged in the water tank; an annealing protective glass tube (205) is arranged between the upper annealing wheel (203) and the lower annealing wheel (204), and protective gas is introduced into the tube; copper wires output from the pay-off device (1) are wound in from an upper annealing wheel (203), pass through the annealing protective glass tube (205), and are wound out after passing through a lower annealing wheel (204); the upper annealing wheel (203) is connected with the anode of an annealing power supply, and the lower annealing wheel (204) is connected with the cathode of the annealing power supply.
4. The manufacturing system for producing photovoltaic solder strips from fine copper wires according to claim 3, characterized in that the protective gas is nitrogen.
5. The manufacturing system for producing the photovoltaic solder strip by using the fine copper wires as claimed in claim 3, wherein a first wire passing wheel (206) is arranged on the annealing frame (201), the first wire passing wheel (206) is positioned above the lower annealing wheel (204), and a vertical common tangent line is arranged between the right side of the first wire passing wheel (206) and the left side of the lower annealing wheel (204).
6. The manufacturing system for producing photovoltaic solder strip from fine copper wires according to claim 1, characterized in that the tinning device (3) comprises a tin bath (301), an air knife (302) is arranged above the tin bath (301), and a cooling fan (303) is arranged above the air knife (302); the tin liquor pond (301) top still is provided with second line wheel (304), be provided with wire pressing wheel (305) in tin liquor pond (301), the top of cooling fan (303) is provided with third line wheel (306), and the copper wire that comes out from short circuit annealing device (2) is walked around second line wheel (304) and wire pressing wheel (305) in proper order, behind air knife (302) and cooling fan (303), is walked around after third line wheel (306) and is walked around out.
7. The manufacturing system for producing the photovoltaic welding strip by using the fine copper wires as recited in claim 1, wherein the winding device (4) comprises a winding frame (401), a winding movable tip cone and a winding fixed tip cone are arranged on the winding frame (401), an empty wire coil (402) for winding the tinned welding strip is clamped between the winding movable tip cone and the winding movable tip cone, and the winding device (4) is used for winding the tinned welding strip output by the tinning device (3) onto the empty wire coil (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122525660.XU CN216337902U (en) | 2021-10-20 | 2021-10-20 | Manufacturing system for producing photovoltaic solder strip by using fine copper wires |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122525660.XU CN216337902U (en) | 2021-10-20 | 2021-10-20 | Manufacturing system for producing photovoltaic solder strip by using fine copper wires |
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| CN216337902U true CN216337902U (en) | 2022-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216718A (en) * | 2022-07-20 | 2022-10-21 | 江苏蓝慧智能装备科技有限公司 | Module end photovoltaic solder strip production facility |
| CN116275702A (en) * | 2023-03-22 | 2023-06-23 | 江苏威腾新材料科技有限公司 | Low-current circular filament welding strip manufacturing device and manufacturing method thereof |
-
2021
- 2021-10-20 CN CN202122525660.XU patent/CN216337902U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216718A (en) * | 2022-07-20 | 2022-10-21 | 江苏蓝慧智能装备科技有限公司 | Module end photovoltaic solder strip production facility |
| CN115216718B (en) * | 2022-07-20 | 2023-07-25 | 江苏蓝慧智能装备科技有限公司 | Assembly end photovoltaic solder strip production equipment |
| CN116275702A (en) * | 2023-03-22 | 2023-06-23 | 江苏威腾新材料科技有限公司 | Low-current circular filament welding strip manufacturing device and manufacturing method thereof |
| CN116275702B (en) * | 2023-03-22 | 2023-12-12 | 江苏威腾新材料科技有限公司 | Low-current circular filament welding strip manufacturing device and manufacturing method thereof |
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