CN105081508A - Positioning and clamping device applied to thermoelectric module preparation process - Google Patents
Positioning and clamping device applied to thermoelectric module preparation process Download PDFInfo
- Publication number
- CN105081508A CN105081508A CN201510452836.XA CN201510452836A CN105081508A CN 105081508 A CN105081508 A CN 105081508A CN 201510452836 A CN201510452836 A CN 201510452836A CN 105081508 A CN105081508 A CN 105081508A
- Authority
- CN
- China
- Prior art keywords
- type thermoelectric
- clamping plate
- potsherd
- conductive electrode
- thermoelectric arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
Abstract
The invention discloses a positioning and clamping device applied to the thermoelectric module preparation process. Front-rear positioning blocks and left-right positioning blocks enclose a rectangular space through grooves and bosses of the positioning blocks. A lower clamping plate is arranged in the rectangular space, and a lower ceramic wafer is positioned in the lower clamping plate. A plurality of guide grooves are formed in the directions of the front-rear positioning blocks and the left-right positioning blocks at equal intervals. Front-rear positioning strips and left-right positioning strips are arranged in the grooves respectively, and front-rear positioning strips and the left-right positioning strips intersect to form a rectangular positioning groove. A lower ceramic wafer is located below the front-rear positioning strips. An upper ceramic piece is positioned in the lower end face of an upper clamping plate. P-type and N-type thermoelectric arms are sequentially arranged in the rectangular positioning groove in a cross manner. The two ends of the P-type and N-type thermoelectric arms make contact with conductive electrodes of the upper ceramic wafer and the lower ceramic wafer respectively. The upper clamping plate and the lower clamping plate clamp the conductive electrode of the upper ceramic wafer, the P-type and N-type thermoelectric arms and the conductive electrode of the lower ceramic wafer through the clamping device. The positioning and clamping device is simple in structure and convenient to operate and has very high applicability and practicability.
Description
Technical field
The present invention relates to positioning clamping device, especially relate to a kind of positioning clamping device being applied to thermoelectricity module preparation process.
Background technology
Thermoelectric generator is the solid-state device that heat energy directly can be changed into electric energy, has the advantages such as structure is simple, reliable and stable, movement-less part, environmental protection, in Waste Heat Recovery utilizes, has good application prospect.Thermoelectricity module is the core component of thermoelectric generator, is made up of potsherd, conductive electrode and P, N-type thermoelectric arm.During work, thermoelectricity module two ends have certain temperature difference, and thermal excitation effect causes the inner carrier of P, N-type thermoelectric arm to move, and form electromotive force, the thermoelectric material applying more at present has Bi
2te
3, PbTe, SiGe etc.; Multipair P, N-type thermoelectric arm are together in series or parallel by conductive electrode, have good thermal conductivity and electric conductivity, as Cu, Ag, Ni, Fe etc.; Thermoelectric arm and conductive electrode are kept apart with thermal source and cooling device by potsherd, have good thermal conductivity and insulating properties, as Al
2o
3, AIN etc.
Thermoelectricity module preparation process is mainly divided into two steps: the connection 1, between potsherd and conductive electrode; 2, P, connection between N-type thermoelectric arm and conductive electrode.Joining Technology between potsherd and conductive electrode reaches its maturity, the more method of current employing is ceramic surface metallization method, detailed process is for first to carry out metalized to ceramic surface, then employing sintering or additive method are in ceramic surface coating layer of metal as intermediate layer, finally the coat of metal and conductive electrode are linked together with general solder.
P, connection between N-type thermoelectric arm and conductive electrode, adopt more method to be method for brazing at present.Before heating, solder is placed in P, between N-type thermoelectric arm and conductive electrode, and applies suitable pressure; After heating, brazing filler metal melts, because capillary action solder fills up P, gap between N-type thermoelectric arm and conductive electrode, and occurs mutually to dissolve and atoms permeating with P, N-type thermoelectric arm and conductive electrode, forms solid solution tissue; Heat rear insulation a period of time, then with stove cooling, formed and there is the soldered fitting of good strength and plasticity, complete P, connection between N-type thermoelectric arm and conductive electrode.
Because list is very little to P, N-type thermoelectric arm generated energy, by multipair P, N-type thermoelectric arm serial or parallel connection, output voltage or the output current of thermoelectricity module can be increased.When P, N-type thermoelectric arm serial or parallel connection mode change, corresponding change conductive electrode is at the position of upper and lower potsherd; When P, N-type thermoelectric arm quantity and arrangement mode change, the length of corresponding change all around locating piece and and the quantity of gathering sill.This positioning clamping device structure being applied to thermoelectricity module preparation process is simple, easy to operate, has very strong adaptability and practicality.
Summary of the invention
The object of the present invention is to provide a kind of positioning clamping device being applied to thermoelectricity module preparation process, adopt first location, rear clamping, remove the mode of positioner again, multipair P, location between N-type thermoelectric arm and conductive electrode and clamping can be realized fast, then realize multipair P, connection between N-type thermoelectric arm and conductive electrode by method for welding, complete the preparation of thermoelectricity module.
The technical solution used in the present invention is:
The present invention includes clamping device, upper clamping plate, the own soldering of one side has position to determine the upper potsherd of conductive electrode, P type thermoelectric arm, N-type thermoelectric arm, the own soldering of one side has position to determine the lower potsherd of conductive electrode, lower clamping plate, forward and backward locating piece, left and right locating piece, front and back positioning strip and left and right positioning strip.
Forward and backward locating piece, left and right locating piece is mutually located respectively by self groove and boss and is surrounded coffin, clamping plate under installing in coffin, and lower potsherd is positioned in lower clamping plate groove; Along forward and backward locating piece direction, equidistant placement has many gathering sills, in many gathering sills, front and back positioning strip is housed respectively, along left and right locating piece direction, equidistant placement has many gathering sills, in many gathering sills, left and right positioning strip is housed respectively, front and back positioning strip is positioned under the positioning strip of left and right, and both intersect to form rectangle locating slot; Lower potsherd is positioned at below the positioning strip of front and back; Upper potsherd is positioned in the groove of clamping plate lower surface, intersect successively in rectangle locating slot and place P type thermoelectric arm and N-type thermoelectric arm, the two ends of P type thermoelectric arm and N-type thermoelectric arm contact with the conductive electrode of lower potsherd and the conductive electrode of upper potsherd respectively; Assemble front upper and lower potsherd conductive circuit electrode surface and evenly apply brazing solder, by clamping device between upper clamping plate and lower clamping plate, realize the clamping of the conductive electrode of the conductive electrode to upper potsherd, P type thermoelectric arm and N-type thermoelectric arm and lower potsherd.
Described front and back positioning strip is identical with left and right positioning strip number or number is not identical.
Described clamping device comprises four studs, four springs, four pads and four nuts; Four studs are contained on lower clamping plate corner respectively, and four studs are through after upper clamping plate, and every root stud all overlaps and has spring and pad, and uses nut check.
The beneficial effect that the present invention has is:
1. this device can realize fast to multipair P, location between N-type thermoelectric arm and conductive electrode and clamping, and inserts in vacuum brazing furnace by the thermoelectricity module entirety clamped, and completes P, connection between N-type thermoelectric arm and conductive electrode;
2. this device adopts the clamping mode of clamping plate, stud, spring, pad and nut, can effective compensation causes because of thermoelectric arm and conductive electrode different heat expansion coefficient in wide temperature range thermal stress, stablize pretightning force, ensure that follow-up brazing process carries out smoothly;
3. this device adopts first location, rear clamping, removes the design philosophy of positioner again, and structure is simply, easy to operate, in thermoelectricity module preparation process, have very strong adaptability and practicality.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the top view (taking advantage of 4 thermoelectric units for 4) after conductive electrode and lower potsherd weld.
Fig. 3 is the top view (taking advantage of 4 thermoelectric units for 4) after conductive electrode and upper potsherd weld.
Fig. 4 is thermoelectric arm network for location.
Fig. 5 is thermoelectricity module location clamping front view.
Fig. 6 is the thermoelectricity module clamping front view after removing positioner.
In figure: 1. forward and backward locating piece, 2. left and right locating piece, 3. descends clamping plate, 4. descends potsherd, 5. conductive electrode, 6. go up potsherd, 7.P type thermoelectric arm, 8.N type thermoelectric arm, 9. stud, 10. nut, 11. pads, 12. springs, clamping plate on 13., positioning strip before and after 14., about 15. positioning strips.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the present invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes clamping device, upper clamping plate 13, the own soldering of one side has position to determine the upper potsherd 6 of conductive electrode 5, P type thermoelectric arm 7, N-type thermoelectric arm 8, the own soldering of one side has position to determine the lower potsherd 4 of conductive electrode 5, lower clamping plate 3, forward and backward locating piece 1, left and right locating piece 2, front and back positioning strip 14 and left and right positioning strip 15.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, forward and backward locating piece 1, left and right locating piece 2 is mutually located respectively by self groove and boss and is surrounded coffin, clamping plate 3 under installing in coffin, and lower potsherd 4 is positioned in lower clamping plate 3 groove; Along forward and backward locating piece 1 direction, equidistant placement has many gathering sills, in many gathering sills, front and back positioning strip 14 is housed respectively, along left and right locating piece 2 direction, equidistant placement has many gathering sills, in many gathering sills, left and right positioning strip 15 is housed respectively, front and back positioning strip 14 is positioned under left and right positioning strip 15, and both coordinate formation rectangle locating slot; Lower potsherd 4 is positioned at below front and back positioning strip 14; Upper potsherd 6 is positioned in the groove of clamping plate 13 lower surface, P type thermoelectric arm 7 and N-type thermoelectric arm 8 is placed successively in rectangle locating slot, the two ends of P type thermoelectric arm 7 and N-type thermoelectric arm 8 contact with the conductive electrode of lower potsherd 4 and the conductive electrode of upper potsherd 6 respectively, conductive circuit electrode surface before assembly all applies brazing solder, by clamping device between upper clamping plate 13 and lower clamping plate 3, realize the clamping of conductive electrode of the conductive electrode to upper potsherd 6, P type thermoelectric arm 7 and N-type thermoelectric arm 8 and lower potsherd 4.
Described front and back positioning strip 14 is identical with left and right positioning strip 15 number or number is not identical.When being 5, then form the rectangle locating slot (as Figure 1 and Figure 4) of 4 × 4.
As shown in Fig. 1, Fig. 5, Fig. 6, described clamping device comprises four studs, 9, four springs, 12, four pads 11 and four nuts 10; Four studs 9 are contained on lower clamping plate 3 four jiaos respectively, and four studs 9 are through after upper clamping plate 13, and every root stud all overlaps spring 12 and pad 11, and locks with nut 10.This clamping device can effective compensation causes because of P type thermoelectric arm 7 and N-type thermoelectric arm 8 and conductive electrode 5 different heat expansion coefficient in wide temperature range thermal stress, stablizes pretightning force, ensures welding quality.
As shown in Fig. 1, Fig. 5, Fig. 6, after clamping, the conductive electrode 5 on P, N-type thermoelectric arm and lower potsherd 4 and conductive electrode 5 mutual alignment on upper potsherd 6 are determined, now can remove positioner.Remove front and back positioning strip 14 successively along forward and backward locating piece 1 gathering sill direction, remove left and right positioning strip 14 successively along left and right locating piece 2 gathering sill direction, remove locating piece along forward and backward locating piece 1 and left and right locating piece 2 self poisoning groove and boss direction.Now, its entirety as shown in Figure 6, is put into vacuum brazing furnace by the thermoelectricity module assembled and clamping device, according to P, N thermoelectric arm material, conductive electrode, brazing solder determination heating curve, vacuumize, heat up, cool, realize the connection between P, N thermoelectric arm two ends and conductive electrode.
The present invention adopts first location, rear clamping, removes the mode of positioner again, can realize multipair P type thermoelectric arm 7 and the location between N-type thermoelectric arm 8 and conductive electrode 5 and clamping fast, then its entirety is put into vacuum brazing furnace, complete P type thermoelectric arm 7 and the welding between N-type thermoelectric arm 8 and conductive electrode 5.
As shown in Fig. 1 ~ Fig. 6, the present invention is with 4 × 4 thermoelectric unit arrays, and 8 pairs of P, N-type thermoelectric arms are connected in series the positioning clamping device schematic diagram drawn for example.When needs assembling more multipair P, N-type thermoelectric arm, only need equal proportion increase the length of locating piece and process gathering sill at correspondence position, locating piece and positioning strip can adopt 3D printing type to process; When P, N-type thermoelectric arm connected mode are in parallel, only need the connecting circuit correspondence change conductive electrode of foundation P, N-type thermoelectric arm in the welding position of upper and lower ceramic wafer.In sum, this apparatus structure is simple, easy to operate, has very strong adaptability and practicality in thermoelectricity module preparation process.
Above-mentioned detailed description of the invention is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (3)
1. one kind is applied to the positioning clamping device of thermoelectricity module preparation process, it is characterized in that: comprise clamping device, upper clamping plate (13), the own soldering of one side has position to determine the upper potsherd (6) of conductive electrode, P type thermoelectric arm (7), N-type thermoelectric arm (8), the own soldering of one side has position to determine the lower potsherd (4) of conductive electrode, lower clamping plate (3), forward and backward locating piece (1), left and right locating piece (2), front and back positioning strip (14) and left and right positioning strip (15);
Forward and backward locating piece (1), left and right locating piece (2) is mutually located respectively by self groove and boss and is surrounded coffin, clamping plate (3) under installing in coffin, and lower potsherd (4) is positioned in lower clamping plate (3) groove; Along forward and backward locating piece (1) direction, equidistant placement has many gathering sills, front and back positioning strip (14) is housed in many gathering sills respectively, along left and right locating piece (2) direction, equidistant placement has many gathering sills, left and right positioning strip (15) is housed in many gathering sills respectively, front and back positioning strip (14) are positioned under left and right positioning strip (15), and both coordinate formation rectangle locating slot; Lower potsherd (4) is positioned at below front and back positioning strip (14); Upper potsherd (6) is positioned in the groove of clamping plate (13) lower surface, in rectangle locating slot, place P type thermoelectric arm (7) and N-type thermoelectric arm (8) successively, the two ends of P type thermoelectric arm (7) and N-type thermoelectric arm (8) contact with the conductive electrode of lower potsherd (4) and the conductive electrode of upper potsherd (6) respectively; Assemble front upper and lower potsherd conductive circuit electrode surface and evenly apply brazing solder, by clamping device between upper clamping plate (13) and lower clamping plate (3), realize the clamping of conductive electrode of the conductive electrode to upper potsherd (6), P type thermoelectric arm (7) and N-type thermoelectric arm (8) and lower potsherd (4).
2. a kind of positioning clamping device being applied to thermoelectricity module preparation process according to claim 1, is characterized in that: described front and back positioning strip (14) are identical with left and right positioning strip (15) number or number is not identical.
3. a kind of positioning clamping device being applied to thermoelectricity module preparation process according to claim 1, is characterized in that: described clamping device comprises four studs, four springs, four pads and four nuts; Four studs are contained on lower clamping plate corner respectively, and four studs are through after upper clamping plate, and every root stud all overlaps and has spring and pad, and uses nut check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452836.XA CN105081508A (en) | 2015-07-29 | 2015-07-29 | Positioning and clamping device applied to thermoelectric module preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452836.XA CN105081508A (en) | 2015-07-29 | 2015-07-29 | Positioning and clamping device applied to thermoelectric module preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105081508A true CN105081508A (en) | 2015-11-25 |
Family
ID=54563326
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510452836.XA Pending CN105081508A (en) | 2015-07-29 | 2015-07-29 | Positioning and clamping device applied to thermoelectric module preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105081508A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548857A (en) * | 2016-01-29 | 2016-05-04 | 浙江大学 | Thermoelectricity module group generation performance test platform |
| CN108480809A (en) * | 2018-03-02 | 2018-09-04 | 河北中瓷电子科技有限公司 | A kind of package casing soldering mold and method for welding |
| CN111571041A (en) * | 2020-05-23 | 2020-08-25 | 松山湖材料实验室 | Flexible cleaver clamping and positioning device and positioning method |
| CN114643399A (en) * | 2020-12-21 | 2022-06-21 | 新奥科技发展有限公司 | Welding mold for preparing skutterudite thermoelectric module and preparation method of module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111571041A (en) * | 2020-05-23 | 2020-08-25 | 松山湖材料实验室 | Flexible cleaver clamping and positioning device and positioning method |
| CN111571041B (en) * | 2020-05-23 | 2022-02-11 | 松山湖材料实验室 | Flexible cleaver clamping and positioning device and positioning method |
| CN114643399A (en) * | 2020-12-21 | 2022-06-21 | 新奥科技发展有限公司 | Welding mold for preparing skutterudite thermoelectric module and preparation method of module |
| CN114643399B (en) * | 2020-12-21 | 2023-12-01 | 新奥科技发展有限公司 | Welding die for preparing skutterudite thermoelectric module and preparation method of module |
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Application publication date: 20151125 |