CN202889239U - Fixing structure for inverter power switch tube - Google Patents
Fixing structure for inverter power switch tube Download PDFInfo
- Publication number
- CN202889239U CN202889239U CN 201220516525 CN201220516525U CN202889239U CN 202889239 U CN202889239 U CN 202889239U CN 201220516525 CN201220516525 CN 201220516525 CN 201220516525 U CN201220516525 U CN 201220516525U CN 202889239 U CN202889239 U CN 202889239U
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- CN
- China
- Prior art keywords
- fixed block
- power switch
- switch tube
- pcb
- radiator
- 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.)
- Expired - Fee Related
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- Inverter Devices (AREA)
Abstract
The utility model discloses a fixing structure for an inverter power switch tube. The fixing structure comprises a fixed block, the power switch tube, a radiator, a PCB and an insulation pad, the insulation pad is placed on the radiator, the power switch tube, the fixed block and the PCB are sequentially mounted on the insulation pad, both an upper face and a lower face of the fixed block are provided with fasteners, and the fixed block enables the power switch tube and the PCB to be connected into a whole. The fixed block is designed into metal outer injection-moulded plastic, so that the fixed block has rigidity and toughness of metal and can realize excellent insulating isolation, the safety requirement that the fixed block is placed below the PCB is met, and the utilization rate of the PCB is improved; and interference fit is adopted between the fixed block and the power switch tube, and the fixed block enables the power switch tube and the PCB to be connected into a whole by the fasteners, so that using of fixtures is avoided, the assembly process is more convenient, the assembly efficiency is greatly improved, and the fixed block is convenient to be integrally moved on the radiator for crimping work.
Description
Technical field
The utility model relates to a kind of fixed structure of inverter power switching tube.
Background technology
Inverter is a kind of direct current to be converted into the device of alternating current, is widely used at new energy field.Inverter is divided into coal electricity inverter, solar inverter, wind energy inverter, nuclear energy inverter according to the difference of energy source, and is different according to purposes, is divided into independent control inverter, combining inverter.Various inverters have metal-oxide-semiconductor, IGBT, diode constant power switching tube, and these switching tubes all are the larger devices of caloric value, must press-fit on radiator and dispel the heat.For the problem that press-fits of metal-oxide-semiconductor, common solution is that fixed block is crimped on switching tube on the radiator, for avoiding the stitch stress of switching tube, just stitch is welded on the pcb board after the switching tube crimping is good.For satisfying the safety requirement, fixed block is placed the outside or perforate on pcb board of pcb board, can reserve a lot of neutral gears in the fixed block position like this, cause the pcb board area larger, thereby cause the inverter volume larger.Under increasingly competitive environment, how so that design is compacter, smaller and more exquisite, cost advantage is more arranged is the direction that inverter manufacturer makes great efforts.
The utility model content
The utility model is for the deficiency in the background technology, design a kind of fixed structure of inverter power switching tube, purpose is: fixed block is placed the pcb board bottom, improved the utilance of pcb board, solved simultaneously switching tube, fixed block, pcb board and in the radiator put procedure, relied on tool to prevent the problem that switching tube comes off.
The technical solution adopted in the utility model:
A kind of fixed structure of inverter power switching tube, comprise fixed block, power switch pipe, radiator, pcb board and insulation cushion, it is characterized in that: be placed with insulation cushion on the described radiator, power switch pipe, fixed block and pcb board are installed on the insulation cushion successively, the fixed block upper and lower surface is provided with buckle, and fixed block connects as one power switch pipe and pcb board by buckle.
Described fixed block is the outer injection-moulded plastic of metal.
The quantity of described power switch pipe is more than one.
Adopt interference fit between described fixed block and the power switch pipe.
The utility model beneficial effect
The utility model is designed to the outer injection-moulded plastic of metal with fixed block, make its rigidity that had both had metal, toughness, can play again good insulation isolation, satisfied fixed block and placed safety requirement under the pcb board, improved the utilance of pcb board, for the product compact provides condition; Adopt interference fit between fixed block and the power switch pipe, fixed block links into an integrated entity pcb board and power switch pipe by buckle, avoided the use of tool, make assembling process more convenient, greatly promoted efficiency of assembling, make things convenient for integral body to move on to and carry out crimping work on the radiator, again switching tube is carried out the stitch welding after crimping is good.
Description of drawings
Fig. 1 is that the utility model assembles a structural representation.
Fig. 2 is that the utility model assembles two structural representations.
Fig. 3 is fixed block front view in the utility model.
Fig. 4 is fixed block end view in the utility model.
Fig. 5 is fixed block vertical view in the utility model.
Wherein: 1, fixed block; 2, power switch pipe; 3, radiator; 4, pcb board; 5, insulation cushion; 6, buckle.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Extremely shown in Figure 5 such as Fig. 1, a kind of fixed structure of inverter power switching tube, comprise fixed block 1, power switch pipe 2, radiator 3, pcb board 4 and insulation cushion 5, be placed with insulation cushion 5 on the described radiator 3, power switch pipe 2, fixed block 1 and pcb board 4 are installed on the insulation cushion 5 successively, fixed block 1 upper and lower surface is provided with buckle 6, fixed block 1 connects as one power switch pipe 2 and pcb board 4 by buckle 6, fixed block 1 is the outer injection-moulded plastic of metal, adopt interference fit between fixed block 1 and the power switch pipe 2, the quantity of power switch pipe 2 is more than one.Fixed block 1 adopts the design of metal outsourcing plastics in the utility model, has both avoided the rigidity deficiency of plastics, the rear distortion of being heated, and satisfies again the demand of safety.Buckle 6 designs do not come off in the time of can making power switch pipe 2 be installed on the pcb board 4, for avoiding the stitch stress of power switch pipe 2, after being crimped onto on the radiator 3, power switch pipe 2 again to the welding of power switch pipe 2 stitch, do not need like this tool just the pcb board 4 with power switch pipe 2 can be loaded on the radiator.
More than be a kind of execution mode of the present utility model, the utility model includes but not limited to above execution mode, and any simple modification of carrying out on the utility model basis and replacement all belong to protection range of the present utility model.
Claims (4)
1. the fixed structure of an inverter power switching tube, comprise fixed block, power switch pipe, radiator, pcb board and insulation cushion, it is characterized in that: be placed with insulation cushion on the described radiator, power switch pipe, fixed block and pcb board are installed on the insulation cushion successively, the fixed block upper and lower surface is provided with buckle, and fixed block connects as one power switch pipe and pcb board by buckle.
2. the fixed structure of inverter power switching tube according to claim 1 is characterized in that: described fixed block is the outer injection-moulded plastic of metal.
3. the fixed structure of inverter power switching tube according to claim 1, it is characterized in that: the quantity of described power switch pipe is more than one.
4. the fixed structure of inverter power switching tube according to claim 1 is characterized in that: adopt interference fit between described fixed block and the power switch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220516525 CN202889239U (en) | 2012-06-20 | 2012-10-10 | Fixing structure for inverter power switch tube |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220289373 | 2012-06-20 | ||
| CN201220289373.1 | 2012-06-20 | ||
| CN 201220516525 CN202889239U (en) | 2012-06-20 | 2012-10-10 | Fixing structure for inverter power switch tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889239U true CN202889239U (en) | 2013-04-17 |
Family
ID=48080625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220516525 Expired - Fee Related CN202889239U (en) | 2012-06-20 | 2012-10-10 | Fixing structure for inverter power switch tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202889239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882404A (en) * | 2012-06-20 | 2013-01-16 | 山亿新能源股份有限公司 | Fixing structure for inverter power switch tube |
| CN107387516A (en) * | 2017-08-31 | 2017-11-24 | 江苏亨鑫科技有限公司 | Insulation connection structure for metal sheet |
-
2012
- 2012-10-10 CN CN 201220516525 patent/CN202889239U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882404A (en) * | 2012-06-20 | 2013-01-16 | 山亿新能源股份有限公司 | Fixing structure for inverter power switch tube |
| CN107387516A (en) * | 2017-08-31 | 2017-11-24 | 江苏亨鑫科技有限公司 | Insulation connection structure for metal sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171016 Granted publication date: 20130417 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20191016 Granted publication date: 20130417 |
|
| 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: 20130417 Termination date: 20181010 |