CN220510009U - Packaging structure of electric control thyristor - Google Patents
Packaging structure of electric control thyristor Download PDFInfo
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- CN220510009U CN220510009U CN202321953621.2U CN202321953621U CN220510009U CN 220510009 U CN220510009 U CN 220510009U CN 202321953621 U CN202321953621 U CN 202321953621U CN 220510009 U CN220510009 U CN 220510009U
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of thyristors, in particular to a packaging structure of an electric control thyristor, which comprises a cathode bottom plate, wherein a ceramic shell is arranged at the upper end of the cathode bottom plate, the upper end of the ceramic shell is fixedly connected with an anode top plate, and a thyristor chip is sleeved in the ceramic shell; the radiating mechanism comprises radiating fins embedded in the ceramic shell, and the inner sides of the radiating fins are attached to the thyristor chip; the assembly mechanism comprises a groove formed in the bottom end of the cathode bottom plate, and two groups of symmetrical movable blocks are clamped in the groove. According to the utility model, the heat radiating mechanism is matched with the assembling mechanism, so that the heat emitted by the thyristor chip is transmitted to other heat radiating devices through the radiating fins, the heat radiating effect is enhanced, the heat conducted by the radiating fins can be radiated through the radiating holes, various heat radiating modes are conveniently provided, and the heat radiating effect is further improved.
Description
Technical Field
The utility model relates to the technical field of thyristors, in particular to a packaging structure of an electric control thyristor.
Background
The thyristor is a flow control type device, and the thyristor chip adopts a transparent anode technology and a buffer layer design from the aspect of a chip, so that the trigger current level and the conduction voltage drop of the device are reduced. From the aspect of a gate electrode driving circuit and an on-off mechanism, the thyristor adopts an integrated driving circuit mode, and reduces stray parameters of a current conversion circuit to a nanohenry level by optimizing a circuit layout, a tube shell packaging structure and the like, so that current can be completely converted to a gate electrode from a cathode in a very short time in the device turn-off process, and then the PNP triode is naturally turned off.
The existing thyristor is widely used in the technical field of electronics, is generally used for industrial control such as electric transmission and motor control, and has large current flowing in the thyristor, so that the thyristor is easy to heat, the heat dissipation of the packaging structure of the common thyristor is poor, and the heat of the thyristor chip is difficult to dissipate after heating, thereby seriously affecting the service life of the thyristor, being difficult to disassemble, being difficult to recycle and easily causing resource waste.
For this purpose, a packaging structure of an electronically controlled thyristor is proposed.
Disclosure of Invention
The utility model aims to provide a packaging structure of an electrically controlled thyristor, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the packaging structure of the electric control thyristor comprises a cathode bottom plate, wherein the upper end of the cathode bottom plate is provided with a ceramic shell, the upper end of the ceramic shell is fixedly connected with an anode top plate, and a thyristor chip is sleeved in the ceramic shell;
the radiating mechanism comprises radiating fins embedded in the ceramic shell, and the inner sides of the radiating fins are attached to the thyristor chip;
the assembly mechanism comprises a groove formed in the bottom end of the cathode bottom plate, and two groups of symmetrical movable blocks are clamped in the groove.
Preferably, the front end of the cathode bottom plate is fixedly connected with a cathode pin, the right side of the anode top plate is fixedly connected with an anode pin, and the right side of the thyristor chip is fixedly connected with a gate lead.
Preferably, the upper end fixedly connected with boss of negative pole bottom plate, the even fixedly connected with stopper of upper end of boss, the even fixedly connected with spacing groove of bottom of thyristor chip, the size and the spacing groove looks adaptation of stopper.
Preferably, the cooling fins are uniformly provided with eight groups, the upper ends of the cooling fins are inserted into the clamping holes, and the clamping holes are formed in the upper end of the anode top plate.
Preferably, eight groups of heat dissipation holes are uniformly formed in the outer side of the ceramic shell, and the heat dissipation holes are formed in the outer side of the heat dissipation plate.
Preferably, the outside fixedly connected with of movable block is symmetrical two sets of one end of fixture block, and the other end of fixture block inserts and establishes in the draw-in groove, and the draw-in groove is seted up at the inner wall of ceramic shell.
Preferably, the middle part of the outer side of the movable block is provided with a round groove, one end of a spring is fixedly connected to the inner side of the round groove, and the other end of the spring is fixedly connected to the inner wall of the movable block.
Preferably, the bottom end of the movable block is provided with an auxiliary force groove, and the inner side of the auxiliary force groove is in an arc shape.
The utility model has the beneficial effects that:
1. according to the utility model, the upper ends of the radiating fins can be connected with other instruments with good radiating effect by designing the radiating mechanism to be matched with the assembling mechanism, the radiating holes can discharge the heat emitted by the thyristor chip through the radiating fins, so that the heat emitted by the thyristor chip can be transferred to other radiating devices through the radiating fins, the radiating effect is enhanced, the heat conducted by the radiating fins can be radiated through the radiating holes, various radiating modes can be conveniently provided, and the radiating effect is further improved.
2. According to the utility model, through designing the assembly mechanism, the movable block can be pulled to control the clamping block to be separated from the clamping groove to disassemble the package, and the restoring force of the spring can control the clamping block to enter the clamping groove to fix the package, so that the quick assembly and disassembly are facilitated, the packaging effect is convenient to improve, the thyristor chip in the ceramic shell is limited, the thyristor chip is prevented from shaking, and the stability of current is improved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is an overall schematic perspective view of a package structure of an electronically controlled thyristor according to an embodiment of the utility model;
fig. 2 is a schematic diagram of an overall explosion of a package structure of an electronically controlled thyristor according to an embodiment of the utility model;
fig. 3 is a schematic diagram of overall explosion of a package structure of an electronically controlled thyristor according to an embodiment of the utility model;
fig. 4 is a schematic cross-sectional view of a portion A-A of fig. 1 of a package structure of an electronically controlled thyristor according to an embodiment of the utility model.
Marked in the figure as: 1. a cathode base plate; 2. a ceramic housing; 3. an anode top plate; 4. a boss; 5. a thyristor chip; 6. a cathode pin; 7. an anode pin; 8. a gate lead; 9. a limiting block; 10. a limit groove; 11. a heat sink; 12. a clamping hole; 13. a heat radiation hole; 14. a groove; 15. a movable block; 16. a clamping block; 17. a clamping groove; 18. a circular groove; 19. a spring; 20. an auxiliary force groove.
Detailed Description
The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 4, a specific embodiment of the present utility model provides a packaging structure of an electronically controlled thyristor, which comprises a cathode bottom plate 1, wherein a ceramic shell 2 is arranged at the upper end of the cathode bottom plate 1, an anode top plate 3 is fixedly connected to the upper end of the ceramic shell 2, and a thyristor chip 5 is sleeved in the ceramic shell 2;
the radiating mechanism comprises radiating fins 11 embedded in the ceramic shell 2, and the inner sides of the radiating fins 11 are attached to the thyristor chip 5;
the assembly mechanism comprises a groove 14 formed at the bottom end of the cathode bottom plate 1, and two groups of symmetrical movable blocks 15 are clamped in the groove 14.
By adopting the technical scheme, the utility model is provided with the radiating mechanism and the assembling mechanism, the radiating mechanism can transfer the heat emitted by the thyristor chip 5 to other radiating devices through the radiating fin 11, the radiating effect is enhanced, and the assembling mechanism can be quickly disassembled and assembled, so that the packaging effect is conveniently improved.
Specifically, as shown in fig. 1 and 2, the front end of the cathode bottom plate 1 is fixedly connected with the cathode pin 6, the right side of the anode top plate 3 is fixedly connected with the anode pin 7, the right side of the thyristor chip 5 is fixedly connected with the gate lead 8, the upper end of the cathode bottom plate 1 is fixedly connected with the boss 4, the upper end of the boss 4 is uniformly and fixedly connected with the limiting block 9, the bottom end of the thyristor chip 5 is uniformly and fixedly connected with the limiting groove 10, the size of the limiting block 9 is matched with the limiting groove 10, the cooling fins 11 are uniformly provided with eight groups, the upper ends of the cooling fins 11 are inserted in the clamping holes 12, the clamping holes 12 are formed in the upper end of the anode top plate 3, the outer side of the ceramic shell 2 is uniformly provided with eight groups of cooling holes 13, and the cooling holes 13 are positioned on the outer side of the cooling fins 11.
Through adopting above-mentioned technical scheme, during the use, connect the power through negative pole pin 6 and positive pole pin 7 after, connect the power through positive pole pin 7 and gate lead 8 and control, then fin 11 is with the heat transfer that thyristor chip 5 was given out to other external heat dissipation devices in positive pole roof 3 top, finally fin 11 can also dispel the heat fast through louvre 13, be favorable to on the heat that thyristor chip 5 given out passes through fin 11 transfer other heat dissipation devices, strengthen the radiating effect, and can also dispel the heat through louvre 13 to the heat of fin 11 conduction, be convenient for provide multiple radiating mode, further improve the radiating effect.
Specifically, as shown in fig. 3 and fig. 4, one ends of two symmetrical groups of clamping blocks 16 are fixedly connected to the outer side of the movable block 15, the other ends of the clamping blocks 16 are inserted into the clamping grooves 17, the clamping grooves 17 are formed in the inner wall of the ceramic shell 2, round grooves 18 are formed in the middle of the outer side of the movable block 15, one ends of springs 19 are fixedly connected to the inner sides of the round grooves 18, the other ends of the springs 19 are fixedly connected to the inner wall of the movable block 15, auxiliary force grooves 20 are formed in the bottom ends of the movable block 15, and the inner sides of the auxiliary force grooves 20 are arc-shaped.
Through adopting above-mentioned technical scheme, stretch into the auxiliary force inslot 20 of movable block 15 bottom earlier with the finger and pull two sets of movable blocks 15, then movable block 15 drives fixture block 16 and gets into recess 14, then establish ceramic housing 2 card on boss 4 of negative pole bottom plate 1 upper end, and make boss 4 upper end stopper 9 card establish in the spacing groove 10 of thyristor chip 5 bottom, loosen movable block 15 at last, the restoring force of spring 19 drives fixture block 16 through movable block 15 and inserts in the draw-in groove 17 of ceramic housing 2 inboard, and make spring 19 shrink back to in the circular slot 18, be favorable to carrying out the dismouting fast, be convenient for improve the encapsulation effect, and carry out spacing to thyristor chip 5 in the ceramic housing 2, avoid thyristor chip 5 to rock, improve the stability of electric current.
Working principle: when the solar energy power supply is used, after the cathode pin 6 and the anode pin 7 are connected with a power supply, the power supply is connected with the anode pin 7 and the gate lead 8 for control, then the radiating fin 11 transfers heat emitted by the thyristor chip 5 to other external radiating devices above the anode top plate 3, finally the radiating fin 11 can also rapidly radiate heat through the radiating holes 13, so that the heat emitted by the thyristor chip 5 can be transferred to the other radiating devices through the radiating fin 11, the radiating effect is enhanced, and the heat conducted by the radiating fin 11 can be radiated through the radiating holes 13, so that various radiating modes can be conveniently provided, and the radiating effect is further improved;
the fingers are stretched into the auxiliary force grooves 20 at the bottom ends of the movable blocks 15 to pull the two groups of movable blocks 15, then the movable blocks 15 drive the clamping blocks 16 to enter the grooves 14, then the ceramic shell 2 is clamped on the boss 4 at the upper end of the cathode bottom plate 1, the limiting block 9 at the upper end of the boss 4 is clamped in the limiting groove 10 at the bottom end of the thyristor chip 5, finally the movable blocks 15 are loosened, the restoring force of the springs 19 drives the clamping blocks 16 to be inserted into the clamping grooves 17 at the inner side of the ceramic shell 2 through the movable blocks 15, the springs 19 are contracted into the circular grooves 18, the quick assembly and disassembly are facilitated, the packaging effect is improved, the thyristor chip 5 in the ceramic shell 2 is limited, the thyristor chip 5 is prevented from shaking, and the stability of current is improved.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The packaging structure of the electric control thyristor comprises a cathode bottom plate, and is characterized in that the upper end of the cathode bottom plate is provided with a ceramic shell, the upper end of the ceramic shell is fixedly connected with an anode top plate, and a thyristor chip is sleeved in the ceramic shell;
the radiating mechanism comprises radiating fins embedded in the ceramic shell, and the inner sides of the radiating fins are attached to the thyristor chip;
the assembly mechanism comprises a groove formed in the bottom end of the cathode bottom plate, and two groups of symmetrical movable blocks are clamped in the groove.
2. The packaging structure of an electronically controlled thyristor as claimed in claim 1, wherein the cathode bottom plate is fixedly connected with a cathode pin at the front end, the anode top plate is fixedly connected with an anode pin at the right side, and the thyristor chip is fixedly connected with a gate lead at the right side.
3. The packaging structure of an electrically controlled thyristor according to claim 2, wherein a boss is fixedly connected to the upper end of the cathode bottom plate, a limiting block is uniformly and fixedly connected to the upper end of the boss, a limiting groove is uniformly and fixedly connected to the bottom end of the thyristor chip, and the size of the limiting block is matched with the limiting groove.
4. The packaging structure of the electronic control thyristor according to claim 3, wherein eight groups of cooling fins are uniformly arranged, the upper ends of the cooling fins are inserted into clamping holes, and the clamping holes are formed in the upper end of the anode top plate.
5. The packaging structure of an electrically controlled thyristor according to claim 4, wherein eight groups of heat dissipation holes are uniformly formed in the outer side of the ceramic shell, and the heat dissipation holes are located in the outer side of the heat dissipation fin.
6. The packaging structure of an electrically controlled thyristor according to claim 5, wherein one ends of two symmetrical clamping blocks are fixedly connected to the outer side of the movable block, the other ends of the clamping blocks are inserted into clamping grooves, and the clamping grooves are formed in the inner wall of the ceramic shell.
7. The packaging structure of an electrically controlled thyristor according to claim 6, wherein a circular groove is formed in the middle of the outer side of the movable block, one end of a spring is fixedly connected to the inner side of the circular groove, and the other end of the spring is fixedly connected to the inner wall of the movable block.
8. The packaging structure of an electrically controlled thyristor as recited in claim 7, wherein an auxiliary force slot is formed at the bottom end of said movable block, and the inner side of said auxiliary force slot is arranged in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321953621.2U CN220510009U (en) | 2023-07-24 | 2023-07-24 | Packaging structure of electric control thyristor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321953621.2U CN220510009U (en) | 2023-07-24 | 2023-07-24 | Packaging structure of electric control thyristor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510009U true CN220510009U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321953621.2U Active CN220510009U (en) | 2023-07-24 | 2023-07-24 | Packaging structure of electric control thyristor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510009U (en) |
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2023
- 2023-07-24 CN CN202321953621.2U patent/CN220510009U/en active Active
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