CN204271071U - A kind of silicon rectification bridge assembly of novel unstressed structure - Google Patents
A kind of silicon rectification bridge assembly of novel unstressed structure Download PDFInfo
- Publication number
- CN204271071U CN204271071U CN201420761891.8U CN201420761891U CN204271071U CN 204271071 U CN204271071 U CN 204271071U CN 201420761891 U CN201420761891 U CN 201420761891U CN 204271071 U CN204271071 U CN 204271071U
- Authority
- CN
- China
- Prior art keywords
- iron
- copper cash
- rectification bridge
- type copper
- silicon rectification
- 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.)
- Active
Links
Landscapes
- Insulators (AREA)
Abstract
The utility model relates to a kind of silicon rectification bridge assembly of novel unstressed structure, the chip comprise two blocks of aluminium sheets arranged in parallel, being located at two pieces of iron-based braces between two blocks of aluminium sheets and being arranged on aluminium sheet, the middle part of L-type copper cash montant has the kink of outwards folding, the cross section of its kink is triangle, L-type copper cash montant is set with spring, one end of spring peaks on kink, and the other end peaks on iron-based brace inner surface.The silicon rectification bridge assembly of described a kind of novel unstressed structure, unstressed buffer structure is added in the design process between chip and solder joint, corresponding reduction or cushioned iron-based brace in the stressed problem of fastener cycle chips, spot welding intensity can be increased substantially, effectively reduce the generation of silicon rectification bridge internal stress in outside link process.Substantially reduce and assemble by silicon rectification bridge the failure rate caused.
Description
Technical field
The utility model relates to the field of electronics process and assemble, especially a kind of silicon rectification bridge assembly, particularly power semiconductor modular making aspect of novel unstressed structure.
Background technology
The electrical connection that silicon rectification bridge assembly inside realizes needing mainly relies on iron-based brace to complete, chip is embedded on aluminium sheet by pressure, spoted weld on iron-based brace by copper cash between chip and connect, and then add the aluminium sheet being pressed with chip and assemble formation silicon rectification bridge.One side pressure of chip is embedded into aluminium sheet, the other end spots weld on iron-based brace, iron-based brace plays the effect fixed and be electrically connected of silicon rectification bridge and external equipment, in use, our custom requirements electrode and equipment can effectively be fastenedly connected, in actual mechanical process, because some of iron-based brace and power device itself weld factor, cause when device uses on the machine, cause chip to be subject to larger stress due to excessive tightness thus cause spot welding point and chip to come off aluminium sheet phenomenon, even cause chip to pull, a through-flow rear silicon rectification bridge lost efficacy.
Summary of the invention
The technical problems to be solved in the utility model is: in order to overcome above-mentioned middle Problems existing, provides a kind of silicon rectification bridge assembly of novel unstressed structure, and its project organization rationally and can improve spot welding intensity, reduces failure rate.
The utility model solves the technical scheme that its technical problem adopts: a kind of silicon rectification bridge assembly of novel unstressed structure, the chip comprise two blocks of aluminium sheets arranged in parallel, being located at two pieces of iron-based braces between two blocks of aluminium sheets and being arranged on aluminium sheet, two pieces of aluminium sheet both ends have placed bolt assembly respectively, the end of two pieces of iron-based braces is fastened by bolts fixing respectively
Described aluminium sheet inner surface extends internally and is uniformly connected with the connector drum that several have internal cavity structure, connector drum outer surface offers external screw thread, connector drum is connected with outer end cap by external screw thread, the end face of outer end cap offers perforation, iron-based brace offers and corresponding connecting hole of boring a hole, internal cavity is formed between connector drum and outer end cap, chip is located in internal cavity, the outer surface of iron-based brace laterally offers groove, the connecting hole of iron-based brace places the L-type copper cash with cross bar portion and montant portion, the cross bar portion of L-type copper cash to be embedded in groove and to be against iron-based brace on the surface, the montant portion of L-type copper cash passes upper connecting hole and upper perforation and chip successively and is welded to each other,
The middle part in described L-type copper cash montant portion has the kink of outwards folding, and the cross section of its kink is triangle, and the montant portion of L-type copper cash is set with spring, and one end of spring peaks on kink, and the other end peaks on iron-based brace inner surface.
Described bolt assembly comprises bolt, nut and damping damping washer, and bolt is each passed through two blocks of aluminium sheets and by nut, two blocks of aluminium sheets is fastened on bolt two ends, and damping damping washer is located between nut and aluminium sheet.
Described L-type copper cash outer surface scribbles anti oxidation layer.
The beneficial effects of the utility model are: the silicon rectification bridge assembly of described a kind of novel unstressed structure, adopt the silicon rectification bridge assembly of this kind of design, unstressed buffer structure is added in the design process between chip and solder joint, by the improvement of electrode structure when not affecting the original effect of electrode, the stress point of electrode is changed, corresponding reduction or cushioned iron-based brace in the stressed problem of fastener cycle chips, spot welding intensity can be increased substantially, effectively reduce the generation of silicon rectification bridge internal stress in outside link process.Substantially reduce and assemble by silicon rectification bridge the failure rate caused.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the overall structure schematic diagram of the silicon rectification bridge assembly of a kind of novel unstressed structure described in the utility model.
Accompanying drawing acceptance of the bid note is described below: 1, aluminium sheet, and 11, connector drum, 12, outer end cap, 2, iron-based brace, 3, chip, 4, bolt assembly, 41, bolt, 42, nut, 43, damping damping washer, 5, L-type copper cash, 51, kink, 6, spring.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
The silicon rectification bridge assembly of a kind of novel unstressed structure as shown in Figure 1, comprise two blocks of aluminium sheets 1 arranged in parallel, two pieces of iron-based braces 2 are provided with between two blocks of aluminium sheets 1, aluminium sheet 1 is provided with chip 3, bolt assembly 4 has been placed at two pieces of aluminium sheet 1 both ends, bolt assembly 4 comprises bolt 41, nut 42 and damping damping washer 43, bolt 41 is each passed through two blocks of aluminium sheets 1 and by nut 42, two blocks of aluminium sheets 1 is fastened on bolt 41 two ends, damping damping washer 43 is located between nut 42 and aluminium sheet 1, two pieces of iron-based brace 2 ends are fastened by bolts fixing, aluminium sheet 1 inner surface extends internally the uniform connector drum 11 being connected with several and having internal cavity structure, connector drum 11 outer surface offers external screw thread, connector drum 11 is connected with outer end cap 12 by external screw thread, the end face of outer end cap 12 offers perforation, iron-based brace 2 offers and corresponding connecting hole of boring a hole, internal cavity is formed between connector drum 11 and outer end cap 12, chip 3 is located in internal cavity, the outer surface of iron-based brace 2 laterally offers groove, the connecting hole of iron-based brace 2 places L-type copper cash 5, anti oxidation layer is scribbled at L-type copper cash 5 outer surface, the cross bar portion of L-type copper cash 5 to be embedded in groove and to be against iron-based brace 2 on the surface, the montant portion of L-type copper cash 5 passes upper connecting hole and upper perforation and chip 3 successively and is welded and connected, middle part, L-type copper cash 5 montant portion has the kink 51 of outwards folding, the cross section of its kink 51 is triangle, portion is set with spring 6 to L-type copper cash 5 montant, one end of spring 6 peaks on kink 51, the other end peaks on iron-based brace 2 inner surface.
The silicon rectification bridge assembly of a kind of novel unstressed structure of the present utility model, when mounted, chip 3 is embedded in the internal cavity between connector drum 11 and outer end cap 12, by the connecting hole of one end montant end of L-type copper cash 5 through iron-based brace 2, montant portion spring 6 being sleeved on L-type copper cash 5 withstand on kink 51 and iron-based brace 2 inner surface respectively, then the top of L-type copper cash 5 is welded with chip 3 mutually through perforation, thus the unstressed buffering added between chip 3 and solder joint, thus the stress point of electrode is changed, corresponding reduction or cushioned the stressed problem of iron-based brace 2, substantially reduce and assemble by silicon rectification bridge the failure rate caused.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. the silicon rectification bridge assembly of a novel unstressed structure, it is characterized in that: the chip (3) comprise two blocks of aluminium sheets (1) arranged in parallel, being located at two pieces of iron-based braces (2) between two pieces of aluminium sheets (1) and being arranged on aluminium sheet (1), the both ends of two pieces of aluminium sheets (1) have placed bolt assembly (4) respectively, the end of two pieces of iron-based braces (2) is fastened by bolts fixing respectively
Described aluminium sheet (1) inner surface extends internally and is uniformly connected with several connector drum with internal cavity structure (11), connector drum (11) outer surface offers external screw thread, connector drum (11) is connected with outer end cap (12) by external screw thread, the end face of outer end cap (12) offers perforation, iron-based brace (2) offers and corresponding connecting hole of boring a hole, internal cavity is formed between connector drum (11) and outer end cap (12), chip (3) is located in internal cavity, the outer surface of iron-based brace (2) laterally offers groove, the connecting hole of iron-based brace (2) places the L-type copper cash (5) with cross bar portion and montant portion, the cross bar portion of L-type copper cash (5) to be embedded in groove and to be against iron-based brace (2) on the surface, the montant portion of L-type copper cash (5) passes upper connecting hole and upper perforation and chip (3) successively and is welded to each other,
Described middle part, L-type copper cash (5) montant portion has the kink (51) of outwards folding, the cross section of its kink (51) is triangle, the montant portion of L-type copper cash (5) is set with spring (6), one end of spring (6) peaks on kink (51), and the other end peaks on iron-based brace (2) inner surface.
2. the silicon rectification bridge assembly of a kind of novel unstressed structure according to claim 1, it is characterized in that: described bolt assembly (4) comprises bolt (41), nut (42) and damping damping washer (43), bolt (41) is each passed through two pieces of aluminium sheets (1) and by nut (42), two pieces of aluminium sheets (1) is fastened on the two ends of bolt (41), and damping damping washer (43) is located between nut (42) and aluminium sheet (1).
3. the silicon rectification bridge assembly of a kind of novel unstressed structure according to claim 1, is characterized in that: described L-type copper cash (5) outer surface has anti oxidation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761891.8U CN204271071U (en) | 2014-12-05 | 2014-12-05 | A kind of silicon rectification bridge assembly of novel unstressed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761891.8U CN204271071U (en) | 2014-12-05 | 2014-12-05 | A kind of silicon rectification bridge assembly of novel unstressed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271071U true CN204271071U (en) | 2015-04-15 |
Family
ID=52805920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420761891.8U Active CN204271071U (en) | 2014-12-05 | 2014-12-05 | A kind of silicon rectification bridge assembly of novel unstressed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204271071U (en) |
-
2014
- 2014-12-05 CN CN201420761891.8U patent/CN204271071U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204271071U (en) | A kind of silicon rectification bridge assembly of novel unstressed structure | |
| CN208088495U (en) | A kind of steel lattice bolt joint device | |
| CN203401650U (en) | Vulcanizing machine heating plate | |
| CN206397887U (en) | A kind of bolt-nut connecting structure | |
| CN103383932A (en) | Packaging structure for improving electrical performance of chip | |
| CN202176573U (en) | Piston rod structure of multilevel lifting oil cylinder | |
| CN204326677U (en) | Novel power transmission power line steel tuble pole | |
| CN207673224U (en) | Steel lining of plastic steel attachment device | |
| CN203367266U (en) | Encapsulation structure for buffering chip surface solder dosage | |
| CN203367267U (en) | Solder dosage-self adaptive rectifier structure | |
| CN204315359U (en) | A kind of transformer copper bar and cable connection structure | |
| CN205317269U (en) | Interior hanging wedge type voussoir | |
| CN203308158U (en) | Novel hubbed flange with strain groove | |
| CN206076523U (en) | A kind of separation wire clamp for improving capacitor bank wiring performance | |
| CN206769027U (en) | A kind of Two bors d's oeuveres rod member bolt connection node structure | |
| CN204225996U (en) | A kind of air chamber and core body enter the full aluminium vehicle intercooler that slice welds simultaneously | |
| CN102930983A (en) | Filter capacitor | |
| CN202291953U (en) | Transitional connecting cylinder head | |
| CN203476238U (en) | Drill rod joint provided with male joint body and female joint body with threads of different conical degrees | |
| CN201640257U (en) | Mosquito killing net structure of electric mosquito rapper | |
| CN203476230U (en) | Shouldered thread connection structure of oil tubes | |
| CN203641246U (en) | Motor transmission shaft | |
| CN203516712U (en) | Cylinder piston plate connection structure | |
| CN202484490U (en) | Hose coupler | |
| CN202302571U (en) | Lengthened bolt used for correcting inclination of transmission line iron tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |