Welding device with temperature balance and series welding machine
By setting up infrared welding lamps, blowing and exhaust heat dissipation components in the welding device, combined with real-time monitoring of temperature sensor probes, the temperature uniformity and stability of the welding device are achieved, the welding instability problem is solved, and the welding quality and service life of photovoltaic components are improved.
Patent Information
- Application Number
- CN202421613908.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-09
AI Technical Summary
After long-term operation, the existing welding devices have poor temperature uniformity and stability, resulting in unstable welding and frequent problems such as dummy welding, which increases raw material loss and rework rate, increases production costs, and affects the service life of photovoltaic modules.
A welding device with temperature balance is designed. By setting an infrared welding lamp assembly, a blower assembly, a plurality of exhaust heat dissipation components and auxiliary blower assembly in the main body of the welding box, combined with real-time monitoring of the temperature sensing probe, uniform heat dissipation and stable control of the internal temperature of the welding box is achieved.
It effectively solves the problems of temperature inhomogeneity and stability of welding devices, improves welding quality, reduces the dummy welding rate, reduces raw material loss and rework rate, reduces production costs, and extends the service life of photovoltaic modules.
Smart Images
Figure CN222830992U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding devices, and in particular to a welding device and a string welding machine with temperature balance. Background Art
[0002] At present, in the production process of photovoltaic cell strings, it is necessary to weld single or half-cell cells in series, which is a very important process in the production process. The automatic string welding machine has replaced the previous manual welding and is one of the core equipment in the production process of battery strings. The welding device is an important equipment for welding cells and welding strips. The uniformity and stability of its temperature determine the welding quality; the quality of welding directly affects the quality of the battery string. During the welding process of the battery string, the internal temperature of the welding device gradually increases due to the long-term operation of the welding device, and the temperature uniformity and stability are poor. Especially when the N main grid pad type cell is welded with a round wire or other special-shaped welding strip, the existing welding device generally adopts a plurality of cooling fans, and the cooling operation is performed by the cooling fan. However, there are many cooling blind areas in the welding box that cannot be covered by the cooling fan, resulting in the inability to heat the local area in the welding box, which makes the temperature inside the box uneven, resulting in instability during welding, frequent problems such as cold welding, which to a certain extent increases the loss and rework rate of raw material cells and welding strips, increases production costs, and affects the service life of photovoltaic modules. Utility Model Content
[0003] One of the purposes of the utility model is to provide a welding device and a string welding machine with temperature balance, so as to solve the problem of poor temperature uniformity and stability of the existing welding device.
[0004] The utility model provides a welding device and a string welding machine with temperature balance through the following technical solutions:
[0005] The utility model discloses a welding device with temperature balance, comprising a welding box body; an infrared welding lamp assembly, which is fixedly arranged in the welding box body; a blowing assembly, which is connected and arranged above the welding box body; a plurality of exhaust and heat dissipation assemblies, which are respectively fixedly arranged on the sides of the welding box body; and a plurality of auxiliary blowing assemblies, which are respectively fixedly arranged on the sides of the welding box body.
[0006] In one embodiment, the blowing assembly includes a bellows fixedly mounted on the welding box body, which is a hollow cavity; and a blowing duct connected to the bellows, which is connected to the hair dryer through an air duct.
[0007] In one embodiment, the four exhaust and heat dissipation components are respectively fixedly arranged on corresponding sides of the welding box body.
[0008] In one embodiment, the exhaust and heat dissipation assembly includes an exhaust duct fixedly arranged on the side of the welding box body, which is a hollow cavity; a plurality of suction holes respectively penetrating the exhaust duct and facing the welding box body; and at least one connector connected to the exhaust duct, which is connected to the suction fan through an air duct.
[0009] In one embodiment, the four connectors are respectively connected to the same suction fan.
[0010] In one embodiment, the auxiliary blowing assembly includes an auxiliary blowing duct fixedly arranged on the side of the welding box body, which is a hollow cavity; at least one solenoid valve blowing joint connected to the exhaust duct; and a plurality of blowing holes that respectively penetrate the auxiliary blowing duct and face the welding box body.
[0011] In one embodiment, a shielding plate is fixedly provided at the bottom of the auxiliary blowing duct, and is arranged below the infrared welding lamp assembly.
[0012] In one embodiment, a plurality of heat dissipation holes are respectively provided on two opposite sides of the welding box body, and a fixing frame is fixedly provided thereon.
[0013] In one embodiment, at least one temperature sensing probe is fixedly disposed in the welding box body.
[0014] The utility model provides a temperature-balanced string welding machine, comprising any of the above-mentioned welding devices; further comprising a cell feeding device, a welding strip feeding device, a welding strip laying device, a cell jig transporting device, a welding conveying device, a jig transporting device, a jig transporting device and a stringing device;
[0015] Among them, the battery cell feeding device conveys the battery cells required for battery string welding; the welding tape feeding device places the welding tape roll to provide the welding tape required for battery string welding; the welding tape laying device lays the welding tape of a predetermined length on the battery cell at the input end of the welding conveying device; the battery cell jig conveying device synchronously conveys the battery cell at the output end of the battery cell feeding device and the tooling jig at the output end of the jig conveying device to the input end of the welding conveying device; the welding conveying device conveys the battery cell, welding tape and the tooling jig pressed on the welding tape together and passes through the welding device; the welding device is located between the input end and the output end of the welding conveying device, and welds the battery cell and welding tape on the welding conveying device; the jig conveying device conveys the tooling jig from the output end of the welding conveying device to the input end of the jig conveying device; the jig conveying device conveys the reflowed tooling jig from the input end of the jig conveying device to the output end of the jig conveying device; the string output device performs string processing on the battery string obtained by the welding device, and outputs a battery string of a predetermined length.
[0016] Compared with the prior art, the welding device and string welding machine with temperature balance of the utility model have the following beneficial effects:
[0017] The utility model discloses a welding device and a string welding machine with temperature balance, which respectively blow air to the inner and outer sides of a welding box body through a blowing assembly and an auxiliary blowing assembly to dissipate heat, and then use a plurality of exhaust air dissipation assemblies to suck air to dissipate heat on the outer side of the welding box body, thereby ensuring the uniformity and stability of the temperature inside the welding device, and effectively solving the problem of poor temperature uniformity and stability of the existing welding device; at the same time, by arranging a temperature sensing probe in the welding box body, the temperature in the welding box body can be effectively monitored in real time and feedback can be performed. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 It is a three-dimensional structural schematic diagram of a welding device with temperature balance in the utility model;
[0020] Figure 2 yes Figure 1 The exploded structural diagram of a welding device with temperature balance of the utility model is shown;
[0021] Figure 3 yes Figure 1 The utility model is a schematic diagram of the internal structure of a welding device with temperature balance.
[0022] Markings in the figure: 10, welding device; 11, welding box body; 111, heat dissipation hole; 112, fixing bracket; 12, infrared welding lamp assembly; 13, blowing assembly; 131, bellows; 132, blowing duct; 14, exhaust and heat dissipation assembly; 141, exhaust duct; 142, air suction hole; 143, connecting head; 15, auxiliary blowing assembly; 151, auxiliary blowing duct; 152, solenoid valve blowing connector; 153, blowing hole; 154, baffle plate; 16, temperature sensing probe. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] See also Figure 1-Figure 3 As shown, the utility model is a welding device 10 with temperature balance, which mainly includes a welding box body 11, an infrared welding lamp assembly 12, a blowing assembly 13, a plurality of exhaust and heat dissipation assemblies 14, a plurality of auxiliary blowing assemblies 15 and at least one temperature sensing probe 16; the welding box body 11 is a main supporting structure; the infrared welding lamp assembly 12 is fixedly arranged in the welding box body 11, and performs welding operation on the battery sheet and the welding ribbon passing thereunder; the blowing assembly 13 is arranged above the welding box body 11, and performs blowing operation on the infrared welding lamp assembly 12 arranged in the welding box body 11; a plurality of exhaust and heat dissipation assemblies 14 are respectively fixedly arranged on the side of the welding box body 11, and a plurality of them respectively perform exhaust and heat dissipation operation on the corresponding side of the welding box body 11; a plurality of auxiliary blowing assemblies 15 are respectively fixedly arranged on the side of the welding box body 11, and perform blowing operation on the side of the welding box body 11; at least one temperature sensing probe 16 is fixedly arranged in the welding box body 11, and performs real-time monitoring and feedback operation on the temperature in the welding box body 11.
[0026] See also Figure 1-Figure 3 As shown, in this embodiment, a plurality of heat dissipation holes 111 are respectively provided on opposite sides of the welding box body 11, and heat dissipation operation can be performed through the plurality of heat dissipation holes 111; a fixing frame 112 is also fixedly provided on the welding box body 11, and the welding device 10 is fixedly connected to a position where it needs to be installed through the fixing frame 112. Specifically, the infrared welding lamp assembly 12 includes a plurality of infrared lamp tubes, which are evenly and equidistantly fixedly provided in the welding box body 11, and the infrared light emitted by the infrared lamp tubes performs infrared welding operation on the battery sheet and the welding ribbon passing thereunder.
[0027] See also Figure 1-Figure 3 As shown, in the present embodiment, the blowing assembly 13 includes a bellows 131 and a blowing duct 132; the bellows 131 is a hollow cavity, which is fixedly arranged on the welding box body 11, and the capacity of the welding device 10 is increased by the cooperation between the bellows 131 and the welding box body 11, which is beneficial to heat dissipation; one end of the blowing duct 132 is connected to the bellows 131, and the other end thereof is connected to the fan through an air duct, so that the fan performs a blowing operation in the cavity surrounded by the bellows 131 and the welding box body 11 through the air duct and the blowing duct 132 in turn.
[0028] See also Figure 1-Figure 3 As shown, in this embodiment, four exhaust and heat dissipation components 14 are respectively fixedly arranged on the corresponding sides of the welding box body 11, so as to perform heat dissipation operation on the outside of the welding box body 11. Specifically, the exhaust and heat dissipation component 14 includes an exhaust duct 141, a plurality of suction holes 142 and at least one connector 143; the exhaust duct 141 is a hollow cavity, which is fixedly arranged on the side of the welding box body 11; the plurality of suction holes 142 are respectively arranged through the exhaust duct 141 and face the welding box body 11, so as to facilitate the heat dissipation operation on the outside of the welding box body 11; at least one connector 143 is connected to the exhaust duct 141 and is connected to the suction fan through the air duct. In this embodiment, the four connectors 143 are respectively connected to the same suction fan, and in other embodiments, the four connectors 143 are also respectively connected to the corresponding suction fans.
[0029] See also Figure 1-Figure 3As shown, in this embodiment, two auxiliary blowing components 15 are relatively arranged on the side of the welding box body 11; the auxiliary blowing component 15 includes an auxiliary blowing pipe 151, at least one solenoid valve blowing joint 152 and a plurality of blowing holes 153; the auxiliary blowing pipe 151 is a hollow cavity, which is fixedly arranged on the side of the welding box body 11; at least one solenoid valve blowing joint 153 is connected and arranged on the exhaust pipe 141 and is connected and connected to the blower through the air duct; a plurality of blowing holes 153 are respectively arranged through the auxiliary blowing pipe 151 and facing the welding box body 11, so as to facilitate the auxiliary heat dissipation operation of the side plate of the welding box body 11. Specifically, a shielding plate 154 is fixedly arranged at the bottom of the auxiliary blowing pipe 151, and the shielding plate 154 is arranged below the infrared welding lamp assembly 12, through which the irradiation area of the infrared welding lamp assembly 12 is adjusted.
[0030] The utility model provides a string welding machine with temperature balance, comprising any one of the above-mentioned welding devices 10;
[0031] It also includes a cell feeding device, a solder strip feeding device, a solder strip laying device, a cell jig handling device, a welding conveying device, a jig handling device, a jig conveying device and a string discharging device;
[0032] Among them, the battery cell feeding device conveys the battery cells required for battery string welding; the welding tape feeding device places the welding tape roll to provide the welding tape required for battery string welding; the welding tape laying device lays the welding tape of a predetermined length on the battery cell at the input end of the welding conveying device; the battery cell jig transporting device synchronously transports the battery cell at the output end of the battery cell feeding device and the tooling jig at the output end of the jig conveying device to the input end of the welding conveying device; the welding conveying device transports the battery cell, welding tape and the tooling jig pressed on the welding tape together and passes through the welding device 10; the welding device 10 is located between the input end and the output end of the welding conveying device, and welds the battery cell and welding tape on the welding conveying device; the jig transporting device transports the tooling jig from the output end of the welding conveying device to the input end of the jig conveying device; the jig conveying device transports the reflowed tooling jig from the input end of the jig conveying device to the output end of the jig conveying device; the string output device performs string processing on the battery string obtained by welding by the welding device 10, and outputs a battery string of predetermined length.
[0033] It should be noted that the specific working process of the welding device and string welding machine with temperature balance of the utility model is: the inner and outer sides of the welding box body 11 are blown and cooled respectively by the blowing component 13 and the auxiliary blowing component 15, and the outer side of the welding box body 11 is sucked and cooled by multiple exhaust and cooling components 14, so as to achieve the uniformity and stability of the internal temperature of the welding device.
[0034] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0035] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A welding device with temperature balance, characterized in that: include: Welding box body; An infrared welding lamp assembly, which is fixedly arranged in the welding box body; A blowing assembly, which is connected and arranged above the welding box body; A plurality of exhaust and heat dissipation components, each of which is fixedly arranged on the side of the welding box body; A plurality of auxiliary blowing components are respectively fixedly arranged on the sides of the welding box body.
2. A welding device with temperature balance according to claim 1, characterized in that: The blowing assembly comprises a bellows fixedly arranged on the welding box body, which is a hollow cavity; and a blowing duct connected to the bellows, which is connected to the hair dryer through an air duct.
3. A welding device with temperature balance according to claim 1, characterized in that: The four exhaust and heat dissipation components are respectively fixedly arranged on the corresponding sides of the welding box body.
4. A welding device with temperature balance according to claim 3, characterized in that: The exhaust and heat dissipation assembly includes an exhaust duct fixedly arranged on the side of the welding box body, which is a hollow cavity; a plurality of suction holes respectively penetrating the exhaust duct and facing the welding box body; and at least one connector connected to the exhaust duct, which is connected to the suction fan through an air duct.
5. A welding device with temperature balance according to claim 4, characterized in that: The four connectors are respectively connected to the same suction fan.
6. A welding device with temperature balance according to claim 4, characterized in that: The auxiliary blowing assembly includes an auxiliary blowing duct fixedly arranged on the side of the welding box body, which is a hollow cavity; at least one solenoid valve blowing joint connected to the exhaust duct; and a plurality of blowing holes that respectively penetrate the auxiliary blowing duct and face the welding box body.
7. A welding device with temperature balance according to claim 6, characterized in that: A shielding plate is fixedly arranged at the bottom of the auxiliary blowing duct and is arranged below the infrared welding lamp assembly.
8. A welding device with temperature balance according to claim 1, characterized in that: A plurality of heat dissipation holes are respectively provided on opposite sides of the welding box body, and a fixing frame is fixedly provided thereon.
9. A welding device with temperature balance according to claim 1, characterized in that: At least one temperature sensing probe is fixedly arranged in the welding box body.
10. A string welding machine with temperature balance, characterized in that: The welding device comprises the welding device according to any one of claims 1 to 9; and further comprises a cell feeding device, a solder strip feeding device, a solder strip laying device, a cell jig handling device, a welding conveying device, a jig handling device, a jig conveying device and a stringing device; Among them, the battery cell feeding device conveys the battery cells required for battery string welding; the welding tape feeding device places the welding tape roll to provide the welding tape required for battery string welding; the welding tape laying device lays the welding tape of a predetermined length on the battery cell at the input end of the welding conveying device; the battery cell jig conveying device synchronously conveys the battery cell at the output end of the battery cell feeding device and the tooling jig at the output end of the jig conveying device to the input end of the welding conveying device; the welding conveying device conveys the battery cell, welding tape and the tooling jig pressed on the welding tape together and passes through the welding device; the welding device is located between the input end and the output end of the welding conveying device, and welds the battery cell and welding tape on the welding conveying device; the jig conveying device conveys the tooling jig from the output end of the welding conveying device to the input end of the jig conveying device; the jig conveying device conveys the reflowed tooling jig from the input end of the jig conveying device to the output end of the jig conveying device; the string output device performs string processing on the battery string obtained by the welding device, and outputs a battery string of a predetermined length.