CN218755945U - Photovoltaic solder strip annealing cooling pond - Google Patents
Photovoltaic solder strip annealing cooling pond Download PDFInfo
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- CN218755945U CN218755945U CN202222191842.2U CN202222191842U CN218755945U CN 218755945 U CN218755945 U CN 218755945U CN 202222191842 U CN202222191842 U CN 202222191842U CN 218755945 U CN218755945 U CN 218755945U
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Abstract
The utility model discloses a photovoltaic solder strip annealing cooling pond, include: the welding device comprises a pool body, a top cover and a PLC (programmable logic controller), wherein pool walls at two ends of the pool body are respectively provided with a welding strip inlet and a welding strip outlet, a guide wheel set is arranged between the welding strip inlet and the welding strip outlet, a circulating water inlet is arranged below the position of the welding strip outlet, a circulating water outlet is arranged on the bottom surface of the pool body at one end of the welding strip inlet, a plurality of groups of high-pressure air knives are arranged on a path from the welding strip outlet to the welding strip outlet after water is discharged from the welding strip, a water replenishing valve is arranged in the middle of the pool body, and a first float switch is connected below the water replenishing valve; a thermometer jack and an alarm are installed on the top cover, and a thermometer is inserted into the thermometer jack; the first float switch, the thermometer and the alarm are electrically connected with the PLC. In this way, the utility model discloses can imitate and prevent the coolant liquid spill, improve temperature stability in the pond, the fluctuation range of solder strip resistivity is reduced to the influence of solder strip microstructure to the lowering temperature.
Description
Technical Field
The utility model relates to a field especially relates to a photovoltaic solder strip annealing cooling pond.
Background
Need use cooling bath annealing in the photovoltaic solder strip production process, the cooling bath that uses when the photovoltaic solder strip anneals commonly used at present generally is open-type circulative cooling pond, this type of cooling bath also has better effect, but the splash problem that appears easily when taking out water welding, lead to the coolant liquid to splash outside the pond, in addition, the cooling bath needs frequent patrol of on-the-spot personnel, it leads to the liquid measure not enough to prevent that the coolant liquid from leading to because of the evaporation reason in the pond, in time carry out artifical fluid infusion operation, and, the cooling temperature of cooling bath is uncontrollable, and the quality stability of photovoltaic solder strip requires very much, the inside resistivity of photovoltaic solder strip is undulant increase together too greatly easily to the cooling temperature change.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a photovoltaic solder strip annealing cooling bath, can adjust cooling temperature, and the temperature fluctuation in the reduction cooling bath improves solder strip stability of quality.
In order to solve the technical problem, the utility model discloses a technical scheme be: the photovoltaic solder strip annealing cooling pool comprises: the cooling device comprises a tank body, a top cover and a PLC (programmable logic controller), wherein cooling liquid is loaded in the tank body, and the top cover covers an opening of the tank body; the welding strip feeding device comprises a welding strip inlet, a welding strip outlet, a circulating water inlet, a circulating water outlet, a plurality of groups of high-pressure air knives, a water replenishing valve and a first float switch, wherein the welding strip inlet and the welding strip outlet are respectively arranged on the wall of the two ends of the pool body, the heights of the welding strip inlet and the welding strip outlet are on the same horizontal plane, a guide wheel group is arranged between the welding strip inlet and the welding strip outlet, the welding strip can be introduced below the liquid level in the pool by the guide wheel group, the region below the position of the welding strip outlet, which is higher than the liquid level, is provided with the circulating water inlet, the bottom surface of the pool body at one end of the welding strip inlet is provided with the circulating water outlet, a plurality of groups of high-pressure air knives are arranged on the path from the welding strip outlet after water is discharged, the middle position of the pool body is provided with the water replenishing valve, and the lower part of the water replenishing valve is connected with the first float switch; handles are arranged at two ends of the top cover, a thermometer jack and an alarm are arranged in the middle of each handle, and a thermometer is inserted into the thermometer jack; the first float switch, the second float switch, the thermometer and the alarm are electrically connected with the PLC.
In a preferred embodiment of the present invention, the thermowell is installed near the solder strip inlet side.
In a preferred embodiment of the present invention, a thermometer protection frame is installed below the top cover corresponding to the position of the thermometer insertion hole.
In a preferred embodiment of the present invention, a gap is installed below the solder strip inlet, the gap is connected to the overflow protection tank, a second float switch is installed in the overflow protection tank, and the height of the gap is not higher than the height of the circulating water inlet.
In a preferred embodiment of the present invention, the top cover is provided with an air permeable grid.
In a preferred embodiment of the present invention, the guide wheel set includes a first guide wheel, a second guide wheel, a third guide wheel, a fourth guide wheel and a fifth guide wheel, a welding strip water inlet section is disposed between the first guide wheel and the second guide wheel, a welding strip cooling section is disposed between the second guide wheel and the third guide wheel, a welding strip water outlet section is disposed between the third guide wheel and the fourth guide wheel, the fifth guide wheel is installed outside the pool body, and the high pressure air knife is installed on a welding strip path between the fourth guide wheel and the fifth guide wheel.
The beneficial effects of the utility model are that: the utility model discloses an install the top cap additional in the cooling tank top, effectively reduce the influence of liquid spill to surrounding environment, the thermometer that relies on the top cap installation moreover can be connected with the PLC controller, temperature variation in the control pond to select the circulation rate of circulating water according to the situation of change control, thereby reduce the influence of coolant liquid cooling temperature variation to solder strip microstructure, reduce the fluctuation range of resistivity.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the present invention;
the parts in the drawings are numbered as follows:
1. welding strips, a tank body 2, a top cover 3, an overflow protection tank 4, a thermometer 5, an alarm 6, a water replenishing valve 7 and a water replenishing valve 8.
A first float switch, 9 high-pressure air knives, 10 second float switches, 11 first guide wheels and 12 second guides
The steering wheel 13, the third guide wheel 14, the fourth guide wheel 15 and the fifth guide wheel;
201. circulating water inlet, 202 circulating water outlet, 203 welding strip inlet, 204 welding strip outlet, 205 overflow port;
301. handle, 302, ventilative grid, 303, thermometer guard frame.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, an embodiment of the present invention includes:
a photovoltaic solder strip annealing cooling pool, comprising: the device comprises a tank body 2, a top cover 3 and a PLC (programmable logic controller), wherein the tank body 2 is loaded with cooling liquid, the top cover 3 covers the opening of the tank body 2,
the pool walls at the two ends of the pool body 2 are respectively provided with a welding strip inlet 203 and a welding strip outlet 204, the heights of the welding strip inlet 203 and the welding strip outlet 204 are on the same horizontal plane, a guide wheel set is arranged between the welding strip inlet 203 and the welding strip outlet 204 and can lead the welding strip 1 to be below the liquid level in the pool,
a circulating water inlet 201 is arranged in an area which is higher than the liquid level below the position of the welding strip outlet 204, a circulating water outlet 202 is arranged on the bottom surface of the pool body 2 at one end of the welding strip inlet 203, 2 groups of high-pressure air knives 9 are arranged on a path from the water outlet of the welding strip 1 to the welding strip outlet 204, a water replenishing valve 7 is arranged in the middle of the pool body 2, and a first float switch 8 is connected below the water replenishing valve 7; a spillway gap 205205 is arranged below the solder strip inlet 203, and the height of the spillway gap 205 is the same as that of the circulating water inlet 201, so that the circulating water inlet 201 can be prevented from flowing backwards. The outer side of the overflow port 205 is connected with an overflow protection pool 4, and a second float switch 10 is installed in the overflow protection pool 4;
the top cover 3 is provided with a ventilating grid 302, handles 301 are mounted at two ends of the top cover 3, a thermometer jack and an alarm 6 are mounted in the middle of each handle 301, and a thermometer 5 is inserted into each thermometer jack; the first float switch 8, the second float switch 10, the thermometer 5 and the alarm 6 are electrically connected with the PLC.
The thermowell is arranged on one side close to the welding strip inlet 203, the temperature near the water inlet position of the welding strip 1 is measured, and compared with the temperature near the water outlet area of the welding strip 1, the thermowell has no interference of circulating water inlet and reflects the temperature more accurately. A thermometer protection frame 303 is arranged at a position corresponding to the thermometer jack below the top cover 3, so that the thermometer 5 can be prevented from being damaged by collision when the top cover 3 moves.
The guide wheel set comprises a first guide wheel 11, a second guide wheel 12, a third guide wheel 13, a fourth guide wheel 14 and a fifth guide wheel 15, a welding strip water inlet section is arranged between the first guide wheel 11 and the second guide wheel 12, a welding strip cooling section is arranged between the second guide wheel 12 and the third guide wheel 13, a welding strip water outlet section is arranged between the third guide wheel 13 and the fourth guide wheel 14, the fifth guide wheel 15 is installed outside the pool body, and the high-pressure air knife 9 is installed on a welding strip path between the fourth guide wheel 14 and the fifth guide wheel 15, so that the welding strip 1 enters the pool through the guide wheel for internal cooling, residual liquid can be scraped through the high-pressure air knife 9 after the cooling is finished and leaves the liquid level, and the scraped liquid can fall into the pool again to reduce splashing.
The utility model discloses a theory of operation as follows:
when the welding strip 1 is annealed and cooled, an external circulating pump is controlled by a PLC (programmable logic controller), the speed of the circulating pump is controlled according to the temperature in the thermometer 5, so that the temperature of the pool water is kept in a process set range, when the water level in the pool falls below a process control value, the PLC controls the first float switch 8 to automatically open the water replenishing valve 7, the water is automatically closed after the water is replenished to the upper limit value of the control value, in the actual production, when the water replenishing valve 7 fails and cannot be opened, so that the liquid level still cannot return to the process set range within a certain time, the first float switch 8 sends a signal to the PLC, the PLC controls the alarm 6 to send an alarm signal, when the water replenishing valve cannot be closed in time, so that the cooling liquid enters the overflow protection pool 4 through the overflow port 205, and when the second float switch 10 detects the overflowing cooling liquid, the PLC sends a signal to control, the PLC controls the alarm to send an alarm signal to the alarm, or when the circulating pump fails and the temperature in the pool cannot return to a set value, the thermometer 5 sends an alarm signal to the PLC controls the alarm device to send by the PLC.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a photovoltaic solder strip annealing cooling pond which characterized in that, photovoltaic solder strip annealing cooling pond includes: the welding device comprises a pool body, a top cover and a PLC (programmable logic controller), wherein cooling liquid is loaded in the pool body, the top cover covers an opening of the pool body, pool walls at two ends of the pool body are respectively provided with a welding strip inlet and a welding strip outlet, the heights of the welding strip inlet and the welding strip outlet are on the same horizontal plane, a guide wheel set is installed between the welding strip inlet and the welding strip outlet, the welding strip can be introduced below the liquid level in the pool by the guide wheel set, a circulating water inlet is installed in a region below the position of the welding strip outlet and higher than the liquid level, a circulating water outlet is installed on the bottom surface of the pool body at one end of the welding strip inlet, a plurality of groups of high-pressure air knives are installed on a path from the welding strip outlet to the welding strip outlet after water is discharged, a water replenishing valve is arranged in the middle of the pool body, and a first floating ball switch is connected below the water replenishing valve; the top cover covers the opening of the tank body, handles are mounted at two ends of the top cover, a thermometer jack and an alarm are mounted in the middle of each handle, and a thermometer is inserted into the thermometer jack; the first float switch, the thermometer and the alarm are electrically connected with the PLC.
2. The photovoltaic solder ribbon annealing cooling pool of claim 1, wherein the thermowell is installed near a solder ribbon inlet side.
3. The photovoltaic solder strip annealing cooling pool of claim 1, wherein a thermometer protection frame is installed below the top cover at a position corresponding to the thermometer insertion holes.
4. The photovoltaic solder strip annealing and cooling pool of claim 1, wherein an overflow gap is installed below the solder strip inlet, the outer side of the overflow gap is connected with an overflow protection pool, and a second float switch is installed in the overflow protection tank; and the second floating ball switch is electrically connected with the PLC.
5. The photovoltaic solder strip annealing cooling pool of claim 4, wherein the height of the overflow gap is not higher than the height of the circulating water inlet.
6. The photovoltaic solder strip annealing cooling pool of claim 1, wherein a gas permeable grid is disposed on the top cover.
7. The photovoltaic solder strip annealing cooling pool of claim 1, wherein the guide wheel set comprises a first guide wheel, a second guide wheel, a third guide wheel, a fourth guide wheel and a fifth guide wheel, a solder strip water inlet section is arranged between the first guide wheel and the second guide wheel, a solder strip cooling section is arranged between the second guide wheel and the third guide wheel, a solder strip water outlet section is arranged between the third guide wheel and the fourth guide wheel, the fifth guide wheel is installed outside the pool body, and the high-pressure air knife is installed on a solder strip path between the fourth guide wheel and the fifth guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222191842.2U CN218755945U (en) | 2022-08-19 | 2022-08-19 | Photovoltaic solder strip annealing cooling pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222191842.2U CN218755945U (en) | 2022-08-19 | 2022-08-19 | Photovoltaic solder strip annealing cooling pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218755945U true CN218755945U (en) | 2023-03-28 |
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ID=85691991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222191842.2U Active CN218755945U (en) | 2022-08-19 | 2022-08-19 | Photovoltaic solder strip annealing cooling pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218755945U (en) |
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2022
- 2022-08-19 CN CN202222191842.2U patent/CN218755945U/en active Active
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