CN103594436A - Transistor fixing device - Google Patents
Transistor fixing device Download PDFInfo
- Publication number
- CN103594436A CN103594436A CN201310555474.8A CN201310555474A CN103594436A CN 103594436 A CN103594436 A CN 103594436A CN 201310555474 A CN201310555474 A CN 201310555474A CN 103594436 A CN103594436 A CN 103594436A
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- transistor
- pressing plate
- fixture
- guide pile
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Abstract
The invention relates to the field of electric and electronic devices, in particular to a transistor fixing device. An existing transistor fixing device is inconvenient to operate on site, a transistor and a transistor pressing plate are often not matched with each other due to errors in bending accuracy, welding accuracy and the like, usually adjustment is conducted by bending pins of the transistor again, in this way, the pins are broken easily, or reliability problems are caused due to repeated bending, and assembly efficiency is quite low during actual operation. To solve the problems, the invention provides a technical scheme of the transistor fixing device which is easy to assemble and capable of effectively solving the problem caused by bending the pins of the transistor. The transistor fixing device comprises the transistor pressing plate and a PCB, wherein an elastic clamping hook connected with a hole formed in the transistor is arranged on the transistor pressing plate in a protruding mode; the transistor pressing plate is further provided with a hollow protruding cylinder used for conducting positioning; the PCB is provided with a circular hole; the transistor pressing plate is connected with the PCB through the protruding cylinder.
Description
Technical field
The present invention relates to power electronic device field, relate to particularly a kind of transistor fixture.
Background technology
At present, the common fixed structure of the transistor of photovoltaic DC-to-AC converter is to realize by transistor pressing plate and printed circuit board (PCB) (pcb board).Fixation procedure: first transistorized pin has been rolled over, be welded on pcb board, transistor pressing plate is inserted to the space between transistor AND gate pcb board, on transistor pressing plate, there is the recess coordinating with transistor, utilize the hole of transistor self band, coordinate with the protruding alignment pin in transistor recess, with screw, transistor is passed through to fixedly transistor pressing plate and the radiator locking (as shown in Figure 1) of use.Transistor belongs to core component, and during its work, caloric value is larger, by the metallic area at self back side, is not enough to efficiently radiates heat, must be by means of radiator.Existing transistor fixture, cumbersome during execute-in-place, due to bending precision, the error of welding precision etc. and often occur that transistor AND gate transistor pressing plate does not mate, conventionally by the transistorized pin of bending again, adjust, easy like this pin is fractureed, or cause transistorized reliability problem because of bending repeatedly.The efficiency of assembling during practical operation is lower.
Summary of the invention
For problem recited above, the present invention proposes a kind of easy assembling, and can effectively solve the technical scheme of the problem causing because of the transistorized pin of bending.The solution of the present invention is:
A fixture, it comprises transistor pressing plate, pcb board,
On the elastic clamping hook that the hole being provided with transistor that has projection to arrange on transistor pressing plate is connected, transistor pressing plate, be also provided with the hollow boss guide pile for locating,
Transistor pressing plate is connected with pcb board by protruding guide pile.
Preferably, described transistor pressing plate is provided with through hole.
Preferably, described transistor pressing plate is shaped as rectangle.
Preferably, in the one side of described transistor pressing plate, there is the snap fit of 2 symmetrically arranged protrusions, at the symmetrical centre place of 2 described snap fits, be provided with the through hole running through up and down and protrude on the another side of transistor pressing plate.
Preferably, in the one side of described transistor pressing plate, there is the snap fit of 2 symmetrically arranged protrusions, at the edge side of pressing plate, be provided with projection; At the symmetrical centre place of 2 described snap fits, be provided with the through hole running through up and down and protrude on the another side of transistor pressing plate.
Preferably, in the one side of described transistor pressing plate, there is the snap fit of 2 symmetrically arranged protrusions, at the symmetrical centre place of 2 described snap fits, be provided with the through hole running through up and down and protrude on the another side of transistor pressing plate, the excircle of the through hole of described protrusion is provided with projection.
Preferably, in the one side of described transistor pressing plate, there is the snap fit of 2 symmetrically arranged protrusions, at the symmetrical centre place of 2 described snap fits, be provided with the through hole running through up and down and protrude on the another side of transistor pressing plate.
Preferably, the circular hole that described pcb board is provided with, and circular hole is provided with the symmetrical breach running through.
Preferably, the material of the snap fit on described transistor pressing plate is thermo-plastic polyurethane's elastomeric material.
Advantage of the present invention is:
1. the transistor fixture that employing the present invention program's photovoltaic DC-to-AC converter is used, easy to operate, during actual use, first by after the assembling of transistor AND gate transistor pressing plate, by the through hole and the pcb board that protrude on pressing plate, fix, and then carry out transistorized welding.
2. adopt the present invention program's transistor fixture, transistor AND gate radiator effectively fits tightly; Thereby heat continuous and effective is passed to radiator in time, guaranteed the continual and steady work of power supply.
3. transistor fixing structure of the present invention, easy to manufacture, is easy to promote.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this present invention is further described:
Fig. 1 is the structural representation of prior art;
Fig. 2 is transistor pressure plate structure b schematic diagram of the present invention;
Fig. 3 is transistor pressure plate structure a schematic diagram of the present invention;
Fig. 4 is the schematic diagram of transistor pressing plate of the present invention and transistor combination;
Fig. 5 is transistor pressing plate of the present invention and PCB combination schematic diagram;
Number in the figure explanation
1. transistor, 2. transistor pressing plate, 3.PCB plate, 4. snap fit, 5. through hole, 6. baffle plate, 7. projection, 8. guide pile.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in more detail, but should not limit the scope of the invention with this.
As shown in Figure 5, a kind of transistor fixture, it comprises transistor pressing plate 2, pcb board 3, and transistor 1 forms, and transistor 1 is connected with pcb board 3 by its pin, between transistor pressing plate 2 position transistors 1 and pcb board 3.
As shown in Figure 3, the upper hollow on pressing plate b face running through being also provided with for locating of the elastic clamping hook 4 that the hole (not shown) being provided with transistor 1 that has projection to arrange on a face of transistor pressing plate 2 is connected, transistor pressing plate 2 is protruded guide pile 8, as shown in Figure 4, the schematic diagram that transistor 1 is connected with transistor pressing plate 2.
As shown in Figure 2, transistor pressing plate 2 is connected with pcb board 2 by protruding guide pile 8.Pcb board 3 is provided with the circular hole (not shown) being connected with guide pile 8.
The symmetrical breach that is provided with on circular hole on pcb board 2, the projection 7 of transistor pressing plate is by after this breach and pcb board 2 clampings, and 2 rotations of transistor pressing plate, to precalculated position, can not dropped even place conversely pressing plate 2 because of protruding 7 pcb boards 2 yet.During assembling, utilize the perforation by pressing plate 2 to be connected with radiator (not shown).A pressing plate 2 can be fixed 2 transistors 1 simultaneously, greatly improves packaging efficiency.
A kind of distortion of above-mentioned guide pile 8, this guide pile 8 is become gradually and is greatly trumpet-shaped elastomeric material and makes towards overall diameter by the b from pressing plate 2, during assembling, utilize the circular hole on its elasticity and pcb board to be connected, then utilize the perforation by pressing plate 2 to be connected with radiator (not shown).
Another kind distortion as above-mentioned guide pile 8, this guide pile 8 also can be designed to resilient snap fit from the outwardly claw of the b face of pressing plate 2, during assembling, utilize the circular hole on its elasticity and pcb board to be connected, then utilize the perforation by pressing plate 2 to be connected with radiator (not shown).
Although below in conjunction with the accompanying drawings and embodiments the present invention is illustrated, is appreciated that above-mentioned explanation does not limit the present invention in any form.Those skilled in the art can be out of shape and change the present invention as required in the situation that not departing from connotation of the present invention and scope, and these distortion and variation all fall within the scope of the present invention.
Claims (8)
1. a transistor fixture, is characterized in that:
Comprise transistor pressing plate,
Pcb board,
The hollow being also provided with on the elastic clamping hook that the hole being provided with transistor that has projection to arrange on transistor pressing plate is connected, transistor pressing plate for locating is protruded guide pile,
Transistor pressing plate is connected with described pcb board by described protruding guide pile.
2. as weighed the transistor fixture as described in 1, it is characterized in that:
Described transistor pressing plate be shaped as rectangle.
3. as weighed the transistor fixture as described in 1, it is characterized in that:
Described transistor pressing plate is provided with through hole.
4. as weighed the transistor fixture as described in 1, it is characterized in that:
The one side of described transistor pressing plate is provided with the snap fit of 2 symmetrically arranged protrusions,
At the symmetrical centre place of 2 described snap fits, be provided with the guide pile running through up and down and protrude on the another side of transistor pressing plate.
5. as weighed the transistor fixture as described in 4, it is characterized in that: the snap fit that has 2 symmetrically arranged protrusions in the one side of described transistor pressing plate, symmetrical centre place at 2 described snap fits, be provided with the guide pile running through up and down and protrude on the another side of transistor pressing plate, the excircle of the guide pile of described protrusion is provided with projection.
6. as weighed the transistor fixture as described in 5, it is characterized in that: the guide pile 11 of described protrusion is become gradually and is greatly horn-like towards overall diameter by the b from pressing plate 2.
7. as weighed the transistor fixture as described in 1, it is characterized in that:
Described pcb board is provided with circular hole, and described circular hole is provided with the symmetrical breach running through.
8. the transistor fixture as described in any one in power 1-7, is characterized in that: the described snap fit on described transistor pressing plate is thermo-plastic polyurethane's elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555474.8A CN103594436A (en) | 2013-11-11 | 2013-11-11 | Transistor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555474.8A CN103594436A (en) | 2013-11-11 | 2013-11-11 | Transistor fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103594436A true CN103594436A (en) | 2014-02-19 |
Family
ID=50084516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310555474.8A Pending CN103594436A (en) | 2013-11-11 | 2013-11-11 | Transistor fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103594436A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470221A (en) * | 2015-12-18 | 2016-04-06 | 上海兆能电力电子技术有限公司 | Fixing structure and fixing method for MOS transistor |
| CN105590909A (en) * | 2016-03-21 | 2016-05-18 | 厦门科华恒盛股份有限公司 | Transistor cover and installation and fixture structure and method of transistor cover |
| CN107517560A (en) * | 2016-06-16 | 2017-12-26 | 上海安浦鸣志自动化设备有限公司 | A kind of fixing device of power tube |
| CN109195307A (en) * | 2018-08-30 | 2019-01-11 | 苏州汇川技术有限公司 | Semiconductor element assembly technology, power module and power electronic equipment |
| CN111246600A (en) * | 2020-03-17 | 2020-06-05 | 孝感华工高理电子有限公司 | Positive temperature coefficient heater |
| WO2021066371A1 (en) * | 2019-10-01 | 2021-04-08 | Hanon Systems | Device for driving a compressor and process for mounting the device |
-
2013
- 2013-11-11 CN CN201310555474.8A patent/CN103594436A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470221A (en) * | 2015-12-18 | 2016-04-06 | 上海兆能电力电子技术有限公司 | Fixing structure and fixing method for MOS transistor |
| CN105470221B (en) * | 2015-12-18 | 2018-08-31 | 上海兆能电力电子技术有限公司 | A kind of metal-oxide-semiconductor fixed structure and fixing means |
| CN105590909A (en) * | 2016-03-21 | 2016-05-18 | 厦门科华恒盛股份有限公司 | Transistor cover and installation and fixture structure and method of transistor cover |
| CN107517560A (en) * | 2016-06-16 | 2017-12-26 | 上海安浦鸣志自动化设备有限公司 | A kind of fixing device of power tube |
| CN109195307A (en) * | 2018-08-30 | 2019-01-11 | 苏州汇川技术有限公司 | Semiconductor element assembly technology, power module and power electronic equipment |
| WO2021066371A1 (en) * | 2019-10-01 | 2021-04-08 | Hanon Systems | Device for driving a compressor and process for mounting the device |
| CN111246600A (en) * | 2020-03-17 | 2020-06-05 | 孝感华工高理电子有限公司 | Positive temperature coefficient heater |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140219 |