CN207888119U - Pressing device and welding ancillary equipment - Google Patents
Pressing device and welding ancillary equipment Download PDFInfo
- Publication number
- CN207888119U CN207888119U CN201721832782.0U CN201721832782U CN207888119U CN 207888119 U CN207888119 U CN 207888119U CN 201721832782 U CN201721832782 U CN 201721832782U CN 207888119 U CN207888119 U CN 207888119U
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- China
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- welding
- cell piece
- electrolysis
- pressing device
- pressing
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Abstract
A kind of welding ancillary equipment and pressing device,The welding ancillary equipment is used to assist the welding of photovoltaic module battery strings,The photovoltaic module includes the first cell piece being disposed adjacent,The welding of second cell piece and connection first cell piece and second cell piece,The welding ancillary equipment includes pressing device and the backing plate with cooperation above and below the pressing device,The backing plate is equipped with and supports described first upwards,The supporting surface at the second cell piece back side,Self-supporting accommodates the groove of the welding and the left cell wall on the left of the groove towards lower recess,The pressing device, which is equipped with to abut downwards, is located at described first,First electrolysis of the positive welding of the second cell piece and the second electrolysis for abutting cell piece surface downwards,The block is located at the welding one end,The left cell wall is located at the outside of described welding the other end.
Description
Technical field
The utility model is related to photovoltaic technology field more particularly to a kind of pressing device and welding ancillary equipments.
Background technology
The welding of solar components battery strings is one of most important production process, battery series welding during entire components welding
Connect mainly has two kinds of a magnetic discharge welding and infrared thermal weld at present, when infrared welding, needs to push down welding using pressing, when to weld
Welding welds in place, and ensures that scolding tin is bonded with battery surface electrode, ensures welding effect.
Due to welding be carried out at a high temperature of 200 to 300 DEG C, and cell piece differed with the coefficient of thermal expansion of welding compared with
Greatly, welding expansion is elongated when welding, after the completion of welding, with the cooling of cell piece, and welding cooling meat, and welding has been at this time
Close solder bond structure is formed with battery plate electrode, therefore is necessarily left in inside battery when welding cooling meat bigger
Compression leads to cell piece after welding because of internal stress reason and warpage, is easy sliver in being particularly acute end to end for welding.
Therefore, it is necessary to design a kind of improved pressing device and welding ancillary equipment to solve the above problems.
Utility model content
The purpose of this utility model is to provide pressing device simple in structure and welding auxiliary equipments.
To achieve the above object, the utility model adopts the following technical solution：A kind of pressing device, including holder and with
The connected several pressing portions of the frame bottom, several pressing portions are arranged in a linear and with the first crimping positioned at bottom
Face, the pressing device are additionally provided with the block in the orientation in several pressing portions, and the block extends downwardly simultaneously
With the second electrolysis, along the vertical direction, second electrolysis is not higher than first electrolysis.
As the further improved technical solution of the utility model, several pressing portions are equally arranged, if described
The electrolysis in dry-pressing needle portion is coplanar.
As the further improved technical solution of the utility model, the pressing portion has the elasticity being connect with the holder
Cylinder and the pressing for being fixed on the elastic cylinder end, the elastic cylinder can flexible deformations along the vertical direction.
As the further improved technical solution of the utility model, the pressing device is additionally provided with holder described in elastic connection
With the elastic cylinder of the block, the block is equipped with the joint face for being fixedly connected with the elastic cylinder and from the company
The bearing surface that junction extends downward vertically, joint face described in the bearing surface vertical connection and second electrolysis.
The utility model additionally provides a kind of technical solution, and a kind of welding ancillary equipment is used for photovoltaic module battery strings
Welding, the photovoltaic module includes the first cell piece being disposed adjacent, the second cell piece and connection first cell piece
With the welding of second cell piece, the welding is provided along its length the backplate for connecting first cell piece
First part, connection second cell piece front electrode second part and the connection first part and described second
Partial coupling part, the welding ancillary equipment include the pressing device and coordinate limit up and down with the pressing device
The backing plate of position first cell piece and the second cell piece, the backing plate are equipped with and support first, second cell back upwards
The supporting surface in face, self-supporting accommodate the groove of the first part and the left slot on the left of the groove towards lower recess
Wall, bearing surface are located at the right end of the second part, and the left cell wall is located at the left distal end of the first part.
As the further improved technical solution of the utility model, the depth of the groove is less than the thickness of the welding.
As the further improved technical solution of the utility model, the depth of the groove is the 3/ of the thickness of the welding
4。
As the further improved technical solution of the utility model, second electrolysis and the pressing of the block
Difference in height between first electrolysis in portion is less than the thickness of the welding.
Compared to the prior art, the utility model welding auxiliary equipment passes through the block of pressing device and the left cell wall of backing plate
The both ends that cooperation will connect the welding of adjacent cell piece limit, and in the welding process, ensure that welding does not generate along its length
Deformation, on the connection portion by the welding stress limitation of welding, after the completion of welding, the compression Spontaneous release of welding is in described
Coupling part, to after cell piece cooling, compression be generated to cell piece because welding is shunk, avoid cell piece
The risk of warpage sliver, improves the production yield of photovoltaic module due to compression reason.
Description of the drawings
Fig. 1 is the utility model pressing device stereoscopic schematic diagram.
Fig. 2 is the stereoscopic schematic diagram of the utility model welding ancillary equipment.
Fig. 3 is status diagram when the utility model welding is applied with ancillary equipment.
Drawing reference numeral：100- pressing devices；1- holders；10- mounting holes；2- pressings portion；21- elastics；22- pressings；
The first electrolysis of 221-；3- stopper portions；31- blocks；311- joint faces；The second electrolysis of 312-；313- bearing surfaces；5- backing plates；
51- supporting surfaces；50- grooves；The left cell walls of 511-；The right cell walls of 512-；The first cell pieces of 61-；The second cell pieces of 62-；7- weldings；
71- first parts；The coupling parts 72-；73- second parts；900- welding ancillary equipments.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in detail in mode.
It please join shown in Fig. 1, be a kind of pressing device 100 disclosed in the utility model, the device 100 of keeping a situation well under one's control includes holder
1, run through several mounting holes 10 of the holder 1 up and down, be fixed on several pressings in the mounting hole 10 and being arranged in a linear
Portion 2 and stopper portions 3 with several 2 word orders of pressing portion.The peace is fixed on equipped with top in each pressing portion 2
The pressing 22 for filling the elastic cylinder 21 in hole 10 and being fixed on 21 bottom of the elastic cylinder.The pressing 22, which is equipped with, is located at bottom
First electrolysis 221 in portion.Several first electrolysis 221 of several pressings 22 are coplanar.The elastic cylinder 21 exists
In present embodiment for can up and down flexible deformation spring.
The stopper portions 3 include an elastic cylinder 21 and the block for being fixed on 21 bottom of the elastic cylinder
31.The block 31 is equipped with the joint face 311 being fixedly connected with 21 bottom of the elastic cylinder and the joint face 311 is opposite
And joint face 311 described in vertical connection and second electrolysis 312 support positioned at the second electrolysis 312 of bottom and up and down
Junction 313.The bearing surface 313 is arranged towards the pressing 22.In the present embodiment, when the elastic cylinder 21 is in
Without under compressive state, along the short transverse of the pressing 22, i.e., along the vertical direction, second electrolysis 312 is located at described the
The lower section of one electrolysis 221.In other embodiments, second electrolysis 312 and first electrolysis 221 can also be made
It is coplanar.
It please join shown in Fig. 2, be a kind of revealed welding ancillary equipment 900 of the utility model, the welding auxiliary
Equipment 900 includes aforementioned pressing device 100 and a backing plate 5.The backing plate 5 is equipped with the supporting surface 51 positioned at top surface, from institute
State the recess of supporting surface 51 and several grooves 50 being arranged parallel to each other and the left cell wall 511 positioned at 50 left and right ends of groove and the right side
Cell wall 512.
It please join shown in Fig. 3, for the welding ancillary equipment 900 to be applied in the welding process of photovoltaic module battery strings
Schematic diagram, the photovoltaic module include the first cell piece 61 being disposed adjacent, the second cell piece 62 and connection described first
The welding 7 of cell piece 61 and second cell piece 62.The welding 7 is equipped with the backplate for connecting first cell piece 61
First part 71, connection second cell piece 62 front electrode second part 73 and connection first part 71 and the
Two parts 73 and the coupling part 72 between first cell piece, 61 and second cell piece 62.
The pressing device 100 is placed in 7 top of welding of first and second cell piece 61,62, the pressing device
100 the first electrolysis 221 abuts the upper surface of the second part 72, and the second electrolysis of the block 31 abuts described the
The upper surface of two cell pieces 62.Certainly, when the elastic cylinder 21 of the pressing device 100 is under no compressive state, edge
Upper and lower directions, the difference in height between second electrolysis 312 and first electrolysis 221 are less than the thickness of welding 7.
The bearing surface 313 of the block 31 adjoins the right end of the second part 73, the supporting surface 51 of the backing plate 5
The lower surface of first, second cell piece 61,62, the first part 71 of the welding 7 is supported to be housed in the groove upwards
In 50, and the left distal end of the first part 71 adjoins the left cell wall 511.In the present embodiment, the groove 50
Depth is less than the thickness of the welding 7, it is preferred that the depth of the groove 50 is the 3/4 of 7 thickness of welding.
When the welding 7 is soldered on first, second cell piece 61,62, the pressing device 100 with it is described
The cooperation of about 5 backing plate squeezes first, second cell piece 61,62, when 7 expanded by heating of welding, due to first part 71
Left side is by the left cell wall 511 to right limit, and 73 right side of second part is by the bearing surface 313 to left limit, and the welding 7 is not
It is extended again to both ends, on stress concentration coupling part 72 unwelded between the first cell piece 61 and the second cell piece 62,
When welding completes cooling, the stress Spontaneous release of the coupling part 72 of the welding 7, welding 7 and the first cell piece 61, the
State before stress between two cell pieces 62 reaches unwelded again has reached weldering substantially without residual shrinkage tension presence
With the balance of expanding with heat and contract with cold between 7 and first cell piece 61, the second cell piece 62, the problem of eliminating 7 shrinkage stress of welding.
In conclusion a left side of the utility model welding auxiliary equipment 900 by the bearing surface and backing plate 5 of pressing device 100
The both ends that the cooperation of cell wall 511 will connect the welding 7 of adjacent cell piece limit, and in the welding process, ensure the side along its length of welding 7
To deformation is not generated, the welding stress of the welding 7 is limited in the interconnecting piece between the first cell piece 61 and the second cell piece 62
Divide on 72, after the completion of welding, the compression Spontaneous release of welding 7 will not be right because of cooling meat in the interconnecting piece 72
Cell piece generates compression, avoids the risk of cell piece warpage sliver due to compression reason, improves the life of photovoltaic module
Produce yield.
In addition, above example is merely to illustrate the utility model and not limits technical side described in the utility model
Case, understanding of this description should be based on persons of ordinary skill in the field, although this specification is with reference to above-mentioned
Embodiment has been carried out detailed description to the utility model, still, it will be understood by those of ordinary skill in the art that, affiliated skill
The technical staff in art field still can be modified or replaced equivalently the utility model, and all do not depart from this practicality newly
The technical solution of the spirit and scope of type and its improvement should all be covered in the right of the utility model.
Claims (8)
1. a kind of pressing device, including holder and several pressing portions for being connected with the frame bottom, several pressing portions
It is arranged in a linear and with the first electrolysis positioned at bottom, it is characterised in that：If the pressing device is additionally provided with positioned at described
Block in the orientation in dry-pressing needle portion, the block extend downwardly and have the second electrolysis, along the vertical direction, described
Two electrolysis are not higher than first electrolysis.
2. pressing device as described in claim 1, it is characterised in that：Several pressing portions are equally arranged, if described
The electrolysis in dry-pressing needle portion is coplanar.
3. pressing device as described in claim 1, it is characterised in that：The pressing portion has the elasticity being connect with the holder
Cylinder and the pressing for being fixed on the elastic cylinder end, the elastic cylinder can flexible deformations along the vertical direction.
4. pressing device as claimed in claim 3, it is characterised in that：The pressing device is additionally provided with holder described in elastic connection
With the elastic cylinder of the block, the block is equipped with the joint face for being fixedly connected with the elastic cylinder and from the company
The bearing surface that junction extends downward vertically, joint face described in the bearing surface vertical connection and second electrolysis.
5. a kind of welding ancillary equipment, the welding for assisting photovoltaic module battery strings, the photovoltaic module include adjacent set
The welding of the first cell piece, the second cell piece and connection first cell piece and second cell piece set, the weldering
Band is provided along its length the first part for the backplate for connecting first cell piece, connects second cell piece
The second part of front electrode and the coupling part of the connection first part and the second part, it is characterised in that：Institute
State welding ancillary equipment include pressing device as described in any one of claim 1 to claim 4 and with the pressure
Needle device coordinates the backing plate for limiting first cell piece and the second cell piece up and down, and the backing plate is equipped with supports described the upwards
One, the supporting surface at the second cell piece back side, self-supporting accommodate the groove of the first part towards lower recess and are located at institute
The left cell wall on the left of groove is stated, bearing surface is located at the right end of the second part, and the left cell wall is located at described first
The left distal end divided.
6. welding ancillary equipment as claimed in claim 5, it is characterised in that：The depth of the groove is less than the welding
Thickness.
7. welding ancillary equipment as claimed in claim 6, it is characterised in that：The depth of the groove is the thickness of the welding
The 3/4 of degree.
8. welding ancillary equipment as claimed in claim 6, it is characterised in that：Second electrolysis of the block and institute
State the thickness that the difference in height between first electrolysis in pressing portion is less than the welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721832782.0U CN207888119U (en) | 2017-12-25 | 2017-12-25 | Pressing device and welding ancillary equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721832782.0U CN207888119U (en) | 2017-12-25 | 2017-12-25 | Pressing device and welding ancillary equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207888119U true CN207888119U (en) | 2018-09-21 |
Family
ID=63549929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721832782.0U Expired - Fee Related CN207888119U (en) | 2017-12-25 | 2017-12-25 | Pressing device and welding ancillary equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207888119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794713A (en) * | 2019-03-28 | 2019-05-24 | 武汉三工智能装备制造有限公司 | Pressing component and welder |
| CN110625217A (en) * | 2019-10-17 | 2019-12-31 | 无锡奥特维科技股份有限公司 | Welding device and series welding equipment |
-
2017
- 2017-12-25 CN CN201721832782.0U patent/CN207888119U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794713A (en) * | 2019-03-28 | 2019-05-24 | 武汉三工智能装备制造有限公司 | Pressing component and welder |
| CN110625217A (en) * | 2019-10-17 | 2019-12-31 | 无锡奥特维科技股份有限公司 | Welding device and series welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Address before: 215129 199 deer Road, Suzhou hi tech Development Zone, Jiangsu, Suzhou Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20211225 |