CN220543898U - Encapsulation unit of TVS - Google Patents
Encapsulation unit of TVS Download PDFInfo
- Publication number
- CN220543898U CN220543898U CN202322090784.9U CN202322090784U CN220543898U CN 220543898 U CN220543898 U CN 220543898U CN 202322090784 U CN202322090784 U CN 202322090784U CN 220543898 U CN220543898 U CN 220543898U
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- Prior art keywords
- heat
- tvs
- fixedly connected
- shell
- tvs diode
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- 238000005538 encapsulation Methods 0.000 title claims abstract description 37
- 238000004806 packaging method and process Methods 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000741 silica gel Substances 0.000 claims abstract description 22
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 22
- 230000005855 radiation Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000006096 absorbing agent Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims 5
- 230000017525 heat dissipation Effects 0.000 abstract description 33
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of TVS, in particular to a packaging unit of a TVS, which comprises an upper packaging shell and a lower packaging shell, wherein the bottom side inside the lower packaging shell is fixedly connected with heat-conducting silica gel, a TVS diode is arranged on the top side of the heat-conducting silica gel, and a plurality of first heat dissipation structures are arranged on the bottom side of the heat-conducting silica gel. The utility model has the advantages that: through the cooperation setting of upper portion encapsulation shell, lower part encapsulation shell, heat conduction silica gel, TVS diode, first heat radiation structure, second heat radiation structure, absorber plate, wearing groove and sealing washer, can dispel the heat work to the TVS diode when guaranteeing that the leakproofness is comparatively good between upper portion encapsulation shell and the lower part encapsulation shell to can discharge the heat that the TVS diode produced to the external world at the during operation, avoid the inside temperature rising's of upper portion encapsulation shell and lower part encapsulation shell condition, and then avoided the influence of high temperature to the TVS diode, guaranteed the life of TVS diode.
Description
Technical Field
The utility model relates to the technical field of TVS, in particular to a packaging unit of a TVS.
Background
The Transient Voltage Support (TVS) is a diode-type high-efficiency protection device, and has the advantages of high response speed, high transient power, low leakage current, small breakdown voltage deviation, easy control of clamping voltage, no damage limit, small size and the like, so that the TVS is widely applied to various fields of computer systems, communication equipment, AC/DC power supplies, automobiles, electronic ballasts, household appliances, instruments (kilowatt-hour meters), relays, suppression of contactor noise and the like. TVS generally require packaging and fixing them before they can be put into service.
The TVS is generally located in the middle of a sealed shell after encapsulation to avoid the influence of external factors on the TVS, and the TVS can produce more heat at long-time during operation, and the sealed shell can not timely distribute the heat inside the shell to the outside, thereby lead to the inside temperature rise of encapsulation shell, and the temperature rise can cause certain influence to the TVS, has prolonged the life that can influence the TVS.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an objective of the present utility model is to provide a TVS packaging unit, which solves the problems mentioned in the background art and overcomes the shortcomings of the prior art.
In order to achieve the above-mentioned objective, an embodiment of an aspect of the present utility model provides a TVS packaging unit, including an upper packaging shell and a lower packaging shell, a thermally conductive silica gel is fixedly connected to a bottom side inside the lower packaging shell, a TVS diode is disposed on a top side of the thermally conductive silica gel, a plurality of first heat dissipation structures are disposed on a bottom side of the thermally conductive silica gel, the first heat dissipation structures include a first heat conduction rod, a first heat dissipation plate and a first heat dissipation fin, a plurality of first heat conduction rods are fixedly connected to a bottom side of the thermally conductive silica gel, a heat dissipation plate is fixedly connected to a bottom end of the first heat conduction rod, a plurality of first heat dissipation fins are fixedly connected to one side of the heat dissipation plate away from the first heat conduction rod, a plurality of second heat dissipation structures are disposed on a top side of the upper packaging shell, a plurality of second heat conduction rods are fixedly connected to a plurality of second heat dissipation structures, a plurality of second heat dissipation plates are fixedly connected to a top side of the second heat conduction rods, a plurality of second heat dissipation plates are fixedly connected to two heat dissipation grooves are formed on two sides of the second heat dissipation plates, and the heat dissipation grooves are fixedly connected to two heat dissipation grooves are formed in the two sides of the upper packaging shell, and the heat dissipation grooves are fixedly connected to two heat dissipation grooves are formed in two sides of the heat dissipation plates.
By the inside bottom side fixedly connected with two mounting panels of above-mentioned arbitrary scheme preferred, two the regulation spout has all been seted up to the inside bottom side fixedly connected with of lower part encapsulation shell, two the inner wall sliding connection of regulation spout has two slide, one side fixedly connected with fixed plate and two fixed threaded rods of slide, two the equal threaded connection of the surface of fixed threaded rod has fixation nut.
By the preferred limit groove of having seted up of one side of above-mentioned arbitrary scheme, the limit groove is linked together with adjusting the spout, fixed threaded rod passes from the inside of limit groove, fixed threaded rod and limit groove sliding connection, fixed threaded rod's maximum diameter equals the width of limit groove for fixed threaded rod can be smooth remove along the direction of limit groove, and avoid fixed threaded rod appears the condition of position deviation at the in-process of removal.
By the preferred mode of above-mentioned arbitrary scheme, a plurality of constant head tank has been seted up to one side of lower part encapsulation shell, one side fixedly connected with a plurality of locating plate of upper portion encapsulation shell, the locating plate corresponds with the quantity of constant head tank, the size looks adaptation of locating plate and constant head tank makes the inside that the locating plate can be smooth intubate the constant head tank, and the locating plate passes through screw fixed mounting in the inside of constant head tank, thereby has connected lower part encapsulation shell and upper portion encapsulation shell.
By any of the above schemes, preferably, the first heat conducting rod penetrates through the bottom side of the lower packaging shell and extends to the outside of the lower packaging shell, and the first heat conducting rod is fixedly connected with the lower packaging shell, so that the stability of the first heat conducting rod is ensured.
It is preferred by any of the above schemes that the heat absorbing plate is in contact with the top side of the TVS diode so that the heat absorbing plate can absorb heat generated from the top of the TVS diode.
By any of the above schemes, preferably, the pins of the TVS diode pass through the through groove, and the sealing ring is attached to the pins of the TVS diode, so that the sealing performance with the pins of the TVS diode is good.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. through upper portion encapsulation shell, lower part encapsulation shell, heat conduction silica gel, TVS diode, first heat radiation structure, second heat radiation structure, absorber plate, wear the cooperation setting of groove and sealing washer, guaranteeing comparatively good leakproofness between upper portion encapsulation shell and the lower part encapsulation shell can dispel the heat work to the TVS diode simultaneously, thereby can with the heat that the TVS diode produced at the during operation discharges to the external world, has avoided the condition that upper portion encapsulation shell and lower part encapsulation shell inside temperature risees, and then has avoided the high temperature to the influence of TVS diode has guaranteed the life of TVS diode.
2. Through mounting panel, regulation spout, slide, fixed plate, fixed threaded rod and fixation nut's cooperation setting can be according to the position of fixed plate is adjusted to the actual length of TVS diode, thereby can be to more length the work is fixed to the TVS diode, has enlarged the application scope of this encapsulation unit, has improved the practicality and the structural flexibility of this encapsulation unit.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the upper package and the connection members thereof according to the present utility model;
fig. 4 is a schematic structural view of the lower package and the connection members thereof according to the present utility model.
In the figure: 1-upper packaging shell, 2-lower packaging shell, 3-heat conduction silica gel, 4-TVS diode, 5-first heat radiation structure, 501-first heat conduction rod, 502-first heat radiation plate, 503-first radiating fin, 6-second heat radiation structure, 601-second heat conduction rod, 602-second heat radiation plate, 603-second radiating fin, 7-heat absorption plate, 8-through groove, 9-sealing ring, 10-mounting plate, 11-adjusting chute, 12-slide plate, 13-fixed plate, 14-fixed threaded rod, 15-fixed nut, 16-limit groove, 17-positioning groove and 18-positioning plate.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1 to 4, a TVS package unit includes an upper package case 1 and a lower package case 2, wherein a heat conductive silica gel 3 is fixedly connected to a bottom side inside the lower package case 2, a TVS diode 4 is disposed on a top side of the heat conductive silica gel 3, a plurality of first heat dissipation structures 5 are disposed on a bottom side of the heat conductive silica gel 3, the first heat dissipation structures 5 include a first heat conductive rod 501, a first heat dissipation plate 502 and a first heat dissipation plate 503, a plurality of first heat conductive rods 501 are fixedly connected to a bottom side of the heat conductive silica gel 3, a heat dissipation plate 502 is fixedly connected to a plurality of first heat dissipation plates 503 on a side of the heat dissipation plate 502 away from the first heat conductive rods 501, a plurality of second heat dissipation structures 6 are disposed on a top side of the upper package case 1, the second heat dissipation structures 6 include a second heat conductive rod 601, a second heat dissipation plate 602 and a second heat dissipation plate 603, one side of the upper packaging shell 1 is fixedly connected with a plurality of second heat conducting rods 601, the top ends of the plurality of second heat conducting rods 601 are fixedly connected with a second heat radiating plate 602, one side of the second heat radiating plate 602 away from the second heat conducting rods 601 is fixedly connected with a plurality of second heat radiating fins 603, the bottom ends of the plurality of second heat radiating structures 6 are fixedly connected with a heat absorbing plate 7, two symmetrical side surfaces of the lower packaging shell 2 are respectively provided with a through groove 8, the inner walls of the two through grooves 8 are fixedly connected with sealing rings 9, when the TVS diode 4 works to generate heat, the heat generated at the bottom of the TVS diode 4 is conducted onto the plurality of first heat conducting rods 501 through the heat conducting silica gel 3, the heat is conducted onto the first heat radiating plates 502 through the plurality of first heat radiating fins 503, the bottom of the TVS diode 4 is subjected to heat radiation work, at the moment, the heat absorbing plate 7 absorbs the heat at the top of the TVS diode 4, and heat is conducted to the second heat dissipation plate 602 through the plurality of second heat conduction rods 601, and the top of the TVS diode 4 is subjected to heat dissipation through the plurality of second heat dissipation plates 603, so that the situation that the temperature is too high in the space formed by the TVS diode 4, the upper packaging shell 1 and the lower packaging shell 2 is avoided.
As an alternative technical scheme of the utility model, two mounting plates 10 are fixedly connected to the bottom side inside the lower packaging shell 2, one side of each mounting plate 10 is provided with an adjusting chute 11, the inner walls of each adjusting chute 11 are slidably connected with two sliding plates 12, one side of each sliding plate 12 is fixedly connected with a fixing plate 13 and two fixing threaded rods 14, the outer surfaces of each fixing threaded rod 14 are respectively and fixedly connected with a fixing nut 15, when the TVS diode 4 is fixed, the TVS diode 4 is firstly placed on the heat-conducting silica gel 3, pins of the TVS diode 4 penetrate through the inside of the through groove 8 and are tightly attached to the sealing rings 9, then the two sliding plates 12 are respectively moved to drive the fixing plates 13 to move, the fixing plates 13 are attached to two ends of the TVS diode 4, and then the fixing nuts 15 are rotated to tightly attach to the mounting plates 10, so that the sliding plates 12 are fixed, and the fixing work of the TVS diode 4 is completed.
As an alternative technical scheme of the utility model, one side of the mounting plate 10 is provided with the limit groove 16, the limit groove 16 is communicated with the adjusting chute 11, the fixed threaded rod 14 passes through the inside of the limit groove 16, the fixed threaded rod 14 is in sliding connection with the limit groove 16, the maximum diameter of the fixed threaded rod 14 is equal to the width of the limit groove 16, so that the fixed threaded rod 14 can smoothly move along the direction of the limit groove 16, and the situation that the position of the fixed threaded rod 14 is deviated in the moving process is avoided.
As an alternative technical scheme of the utility model, one side of the lower package 2 is provided with a plurality of positioning slots 17, one side of the upper package 1 is fixedly connected with a plurality of positioning plates 18, the positioning plates 18 correspond to the positioning slots 17 in number, the positioning plates 18 are matched with the positioning slots 17 in size, so that the positioning plates 18 can be smoothly inserted into the positioning slots 17, and the positioning plates 18 are fixedly arranged in the positioning slots 17 through screws, so that the lower package 2 and the upper package 1 are connected, after the TVS diode is fixed, the positioning plates 17 are inserted into the positioning slots 17, the top side of the lower package 2 and the bottom side of the upper package 1 are tightly attached, and then the positioning plates 18 are fixed in the positioning slots 17 through screws, so that the lower package 2 and the upper package 1 are connected.
As an alternative solution of the present utility model, the first heat conducting rod 501 penetrates through the bottom side of the lower package 2 and extends to the outside of the lower package 2, and the first heat conducting rod 501 is fixedly connected with the lower package 2, so that the stability of the first heat conducting rod 501 is ensured.
As an alternative solution of the present utility model, the heat absorbing plate 7 is in contact with the top side of the TVS diode 4, so that the heat absorbing plate 7 can absorb heat generated from the top of the TVS diode 4.
As an alternative technical scheme of the utility model, the pins of the TVS diode 4 pass through the inside of the through groove 8, the sealing ring 9 is attached to the pins of the TVS diode 4, and the sealing performance with the pins of the TVS diode 4 is good through the sealing ring 9.
A packaging unit of TVS has the following working principle:
when the TVS diode 4 works to generate heat, the heat generated at the bottom of the TVS diode 4 is conducted to the first heat conducting rods 501 through the heat conducting silica gel 3, and is conducted to the first heat radiating plate 502 through the first heat conducting rods 501, the bottom of the TVS diode 4 is subjected to heat radiating work through the first heat radiating plates 503, at the moment, the heat absorbing plate 7 absorbs the heat at the top of the TVS diode 4, and is conducted to the second heat radiating plate 602 through the second heat conducting rods 601, and the heat is radiated to the top of the TVS diode 4 through the second heat radiating plates 603, so that the situation that the temperature is too high in the space formed by the TVS diode 4, the upper packaging shell 1 and the lower packaging shell 2 is avoided.
In summary, this encapsulation unit of TVS, through the cooperation setting of upper portion encapsulation shell 1, lower part encapsulation shell 2, heat conduction silica gel 3, TVS diode 4, first heat radiation structure 5, second heat radiation structure 6, absorber plate 7, wear groove 8 and sealing washer 9, the leakproofness is comparatively good between upper portion encapsulation shell 1 and lower part encapsulation shell 2 simultaneously can dispel the heat work to TVS diode 4, thereby can discharge the heat that TVS diode 4 produced to the external world when the during operation, the condition that upper portion encapsulation shell 1 and lower part encapsulation shell 2 inside temperature risen has been avoided, and then the influence of high temperature to TVS diode 4 has been avoided, guaranteed TVS diode 4's life, through mounting panel 10, adjusting chute 11, slide 12, fixed plate 13, fixed threaded rod's 13's position is adjusted according to TVS diode 4's actual length, thereby can fix the work to TVS diode 4 of more length, the practicality and flexibility of this encapsulation unit has been enlarged.
Claims (7)
1. A packaging unit of TVS, characterized in that: including upper portion encapsulation shell (1) and lower part encapsulation shell (2), inside bottom side fixedly connected with heat conduction silica gel (3) of lower part encapsulation shell (2), the top side of heat conduction silica gel (3) is provided with TVS diode (4), the bottom side of heat conduction silica gel (3) is provided with first heat radiation structure (5) of a plurality of, first heat radiation structure (5) include first heat conduction pole (501), first heating panel (502) and first fin (503), the bottom side fixedly connected with first heat conduction pole (501) of heat conduction silica gel (3), a plurality of the bottom fixedly connected with heating panel (502) of first heat conduction pole (501), one side fixedly connected with first fin (503) of first heat conduction pole (501) are kept away from to heating panel (502), the top side of upper portion encapsulation shell (1) is provided with a plurality of second heat radiation structure (6), second heat radiation structure (6) include second pole (601), second heating panel (603) and second fin (503), the top of upper portion encapsulation shell (501) is connected with a plurality of first heat conduction pole (601), one side of second heating panel (602) keeping away from second heat conduction pole (601) fixedly connected with a plurality of second fin (603), a plurality of bottom fixedly connected with absorber plate (7) of second heat radiation structure (6), wear groove (8) have all been seted up to two sides of lower part encapsulation shell (2) symmetry, two wear the equal fixedly connected with sealing washer (9) of inner wall in groove (8).
2. The packaging unit for a TVS according to claim 1, wherein: two mounting plates (10) are fixedly connected to the bottom side inside the lower packaging shell (2), two adjusting sliding grooves (11) are formed in one side of each mounting plate (10), two sliding plates (12) are slidably connected to the inner walls of the adjusting sliding grooves (11), a fixing plate (13) and two fixing threaded rods (14) are fixedly connected to one side of each sliding plate (12), and fixing nuts (15) are connected to the outer surfaces of the fixing threaded rods (14) in a threaded mode.
3. The packaging unit for a TVS according to claim 2, wherein: one side of mounting panel (10) has seted up spacing groove (16), spacing groove (16) are linked together with adjusting chute (11), fixed threaded rod (14) pass from the inside of spacing groove (16), fixed threaded rod (14) and spacing groove (16) sliding connection, the maximum diameter of fixed threaded rod (14) equals the width of spacing groove (16).
4. A TVS packaging unit according to claim 3, wherein: a plurality of positioning grooves (17) are formed in one side of the lower packaging shell (2), a plurality of positioning plates (18) are fixedly connected to one side of the upper packaging shell (1), the number of the positioning plates (18) corresponds to that of the positioning grooves (17), and the positioning plates (18) are matched with the size of the positioning grooves (17).
5. The packaging unit for a TVS according to claim 4, wherein: the first heat conducting rod (501) penetrates through the bottom side of the lower packaging shell (2) and extends to the outside of the lower packaging shell (2), and the first heat conducting rod (501) is fixedly connected with the lower packaging shell (2).
6. The packaging unit for a TVS according to claim 5, wherein: the heat absorbing plate (7) is in contact with the top side of the TVS diode (4).
7. The packaging unit for a TVS according to claim 6, wherein: pins of the TVS diode (4) penetrate through the through groove (8), and the sealing ring (9) is attached to the pins of the TVS diode (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322090784.9U CN220543898U (en) | 2023-08-04 | 2023-08-04 | Encapsulation unit of TVS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322090784.9U CN220543898U (en) | 2023-08-04 | 2023-08-04 | Encapsulation unit of TVS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543898U true CN220543898U (en) | 2024-02-27 |
Family
ID=89974922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322090784.9U Active CN220543898U (en) | 2023-08-04 | 2023-08-04 | Encapsulation unit of TVS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543898U (en) |
-
2023
- 2023-08-04 CN CN202322090784.9U patent/CN220543898U/en active Active
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