CN215771118U - Small signal TVS pipe mounting structure with good sealing performance - Google Patents

Abstract

The utility model discloses a small-signal TVS tube mounting structure with good sealing performance, which comprises a TVS tube body and a protective shell, wherein pins are fixedly connected to the back surface of the TVS tube body, a pressing plate is fixedly connected inside the protective shell, grooves are formed in the tops of the pins, the pressing plate is attached to the top of the pressing plate, clamping grooves are formed in four edges of the top of the protective shell, and an encapsulation top shell is clamped at the tops of the clamping grooves. By adopting the structure, the TVS tube body can be protected by arranging the protective shell, the pressing plate is arranged in the protective shell and can correspond to the grooves of the pins, so that the pins can be limited by the pressing plate, the pins are not easy to loosen in the processing and using processes, the TVS tube body can be packaged in a sealing way by arranging the packaging top shell, the packaging top shell is clamped at the top of the protective shell, and the TVS tube body is convenient to disassemble and assemble by using the semicircular convex blocks while achieving the sealing effect.

Description

Small signal TVS pipe mounting structure with good sealing performance

Technical Field

The utility model belongs to the field of TVS tube processing, and particularly relates to a small-signal TVS tube mounting structure with good sealing performance.

Background

The transient voltage suppressor diode is also called TVS diode, and is an electronic component for protection, which can protect electrical equipment from voltage spike induced by a wire. The TVS diode is a clamper and is connected in parallel to a circuit to be protected when in use, so that an excessive voltage exceeding the breakdown voltage can be restrained. When the overvoltage disappears, the TVS diode automatically resets, and the absorbed energy of the TVS diode is much larger than that of a crowbar circuit with similar rating.

But can make massive TVS receive the impact and produce stress when current TVS pipe is pruned and is detected to drive the terminal colloid in of pin and weld the piece, become flexible easily and weld, cause TVS diode crystalline grain impaired easily, thereby lead to the reliability reduction and the life of product not long, and present packaging structure is difficult to dismantle, leads to the maintenance to change inconveniently.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present invention is to provide a small-signal TVS tube mounting structure with good sealing performance, so as to solve the problem of easy loosening and welding.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a small-signal TVS pipe mounting structure that leakproofness is good, includes TVS pipe body and protecting sheathing, the back fixedly connected with pin of TVS pipe body, protecting sheathing's inside fixedly connected with clamp plate, the top of pin is equipped with the recess, the clamp plate laminating is at the top of clamp plate, the draw-in groove has all been seted up to protecting sheathing's top four sides, the top joint of draw-in groove has the encapsulation top shell.

Through adopting above-mentioned technical scheme, can protect TVS pipe body through setting up protective housing, it can be corresponding with the groove of pin to set up the clamp plate in protective housing to make the clamp plate can carry on spacingly with the pin position, be difficult to not hard up at processing and in-process that uses, can encapsulate through setting up encapsulation top shell, carry out sealed package with TVS pipe body, and encapsulation top shell joint is convenient for carry out the dismouting at protective housing's top to it.

Further, as a preferred technical scheme, the inside of draw-in groove is provided with the encapsulation cream, the bottom fixed mounting of encapsulation top shell has the slice picture peg, the slice picture peg is pegged graft in the draw-in groove.

By adopting the technical scheme, the edge part of the encapsulation top shell is sealed by using the encapsulation paste, the encapsulation top shell is more easily disassembled while the sealing effect is achieved, and the sheet-shaped inserting plate corresponds to the clamping groove, so that the encapsulation top shell can be stably encapsulated.

Further, as a preferred technical scheme, the two sides of the protective shell are fixedly connected with mounting plates, and mounting holes are formed in the tops of the mounting plates.

Through adopting above-mentioned technical scheme, utilize mounting panel and mounting hole can fix more stably.

Further, as a preferable technical solution, the bottom of the protective casing is provided with an encapsulation resin.

Through adopting above-mentioned technical scheme, utilize encapsulation resin can make protective housing's bottom gap department carry out closely firm encapsulation.

Further, as a preferred technical scheme, an anti-oxidation protection pad is arranged on the surface of the TVS pipe body, and the anti-oxidation protection pad is filled in the protection shell.

Through adopting above-mentioned technical scheme, can protect TVS pipe body through setting up anti-oxidation protection pad, reduce the outside erosion that it received, the locking moving of shock attenuation.

Further, as a preferred technical scheme, a heat radiating fin is arranged inside the packaging top shell, a heat conducting metal rod is fixedly connected to the bottom of the heat radiating fin, and a heat conducting fin is fixedly connected to the bottom of the heat conducting metal rod and attached to the top of the TVS tube body.

Through adopting above-mentioned technical scheme, set up the conducting strip through the top at TVS pipe body and carry out the heat conduction to utilize heat conduction metal pole to conduct, and utilize the fin to dispel the heat, thereby can dispel the heat to the TVS pipe body of encapsulation.

Further, as a preferred technical scheme, an anti-corrosion layer is fixedly connected to the outer surface of the protective shell.

By adopting the technical scheme, the corrosion-resistant layer is arranged to prevent the outer part of the protective shell from being oxidized.

Further, as a preferred technical scheme, a preformed groove is formed in the position, corresponding to the pins, of the bottom of the pressing plate, and a cushion pad is fixedly mounted on the inner wall of the preformed groove.

Through adopting above-mentioned technical scheme, can be corresponding with the groove of pin department through setting up the reservation groove to utilize the blotter to carry out the blotter and protect, make the fixed effect of pin department better.

Further, as a preferred technical scheme, a protruding block is fixedly connected to the back of the packaging top shell, and the protruding block is semicircular.

Through adopting above-mentioned technical scheme, can conveniently unseal the encapsulation top shell through setting up protruding piece.

In summary, the utility model mainly has the following beneficial effects:

first, can protect TVS pipe body through setting up protective housing, set up the clamp plate in protective housing and can be corresponding with the groove of pin to it is spacing to make the clamp plate can carry out the pin position, is difficult to not hard up at processing and the in-process that uses.

The second, can encapsulate through setting up the encapsulation top shell, seal the encapsulation with TVS pipe body, and encapsulation top shell joint seals at protective housing's top, utilizes the encapsulation cream to seal the marginal part of encapsulation top shell, when reaching sealed effect, utilizes semicircular protruding piece to be convenient for carry out the dismouting to it.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4 is a schematic view of the structure of the pressing plate of the present invention.

Reference numerals: 1. TVS pipe body, 2, protective housing, 3, pin, 4, pressing plate, 5, groove, 6, clamping groove, 7, encapsulation top shell, 8, encapsulation paste, 9, sheet plugboard, 10, mounting plate, 11, mounting hole, 12, encapsulation resin, 13, anti-oxidation protection pad, 14, radiating fin, 15, heat conducting metal rod, 16, heat conducting fin, 17, anti-corrosion layer, 18, preformed groove, 19, buffer pad, 20 and bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the good small-signal TVS pipe mounting structure of leakproofness of this embodiment, including TVS pipe body 1 and protecting sheathing 2, the back fixedly connected with pin 3 of TVS pipe body 1, the inside fixedly connected with clamp plate 4 of protecting sheathing 2, the top of pin 3 is equipped with and is provided with recess 5, the laminating of clamp plate 4 is at the top of clamp plate 4, draw-in groove 6 has all been seted up to the top four sides of protecting sheathing 2, the top joint of draw-in groove 6 has encapsulation top shell 7.

Referring to fig. 2, in order to achieve the purpose of facilitating packaging and unsealing, in the present embodiment, a packaging paste 8 is disposed inside the card slot 6, a sheet-shaped plug board 9 is fixedly mounted at the bottom of the packaging top shell 7, and the sheet-shaped plug board 9 is inserted into the card slot 6; the edge part of the packaging top shell 7 is sealed by the packaging paste 8, the packaging top shell 7 is more easily disassembled while the sealing effect is achieved, and the sheet-shaped inserting plate 9 corresponds to the clamping groove 6, so that the packaging top shell 7 can be stably packaged.

Referring to fig. 3, in order to achieve the purpose of facilitating fixing, mounting plates 10 are fixedly connected to two sides of the protective housing 2 in the embodiment, and a mounting hole 11 is formed in the top of the mounting plate 10; the fixing can be more stably performed by the mounting plate 10 and the mounting hole 11.

Referring to fig. 2, in order to achieve the purpose of stable sealing, the bottom of the protective housing 2 of the present embodiment is provided with an encapsulation resin 12; the bottom slit of the protective cover 2 can be tightly and firmly sealed with the sealing resin 12.

Referring to fig. 2, in order to achieve the purpose of anti-oxidation buffering, an anti-oxidation pad 13 is disposed on the surface of the TVS tube body 1 of the present embodiment, and the anti-oxidation pad 13 is filled inside the protective casing 2; through setting up anti-oxidation protection pad 13 can protect TVS pipe body 1, reduce the outside erosion that it received, the shock attenuation is prevented becoming flexible.

Referring to fig. 2, in order to achieve the purpose of heat dissipation, a heat sink 14 is disposed inside the top package case 7 of the present embodiment, a heat conducting metal rod 15 is fixedly connected to the bottom of the heat sink 14, a heat conducting fin 16 is fixedly connected to the bottom of the heat conducting metal rod 15, and the heat conducting fin 16 is attached to the top of the TVS tube body 1; the heat conducting fins 16 are arranged at the top of the TVS tube body 1 to conduct heat, the heat conducting metal rods 15 are used for conducting heat, and the heat radiating fins 14 are used for radiating heat, so that the packaged TVS tube body 1 can be radiated.

Referring to fig. 2, in order to achieve the purpose of corrosion prevention, a corrosion prevention layer 17 is fixedly connected to the outer surface of the protective casing 2; the exterior of the protective housing 2 can be protected against oxidation by the provision of the corrosion protection layer 17.

Referring to fig. 4, in order to achieve the purpose of better fixing the pins 3, a preformed groove 18 is formed at a position corresponding to the pins 3 at the bottom of the pressing plate 4 in the embodiment, and a cushion pad 19 is fixedly mounted on an inner wall of the preformed groove 18; the groove 18 can correspond to the groove 5 of the pin 3, and the cushion 19 is used for protecting the cushion 19, so that the fixing effect of the pin 3 is better.

Referring to fig. 1, in order to achieve the purpose of facilitating the unsealing, a protruding block 20 is fixedly connected to the back surface of the top package 7 of the present embodiment, and the protruding block 20 is configured in a semicircular shape.

Through adopting above-mentioned technical scheme, can conveniently unseal encapsulation top shell 7 through setting up protruding piece 20.

The use principle and the advantages are as follows: when in use, the pins 3 are welded and then packaged by the packaging top shell 7, the pressing plate 4 is arranged in the protective shell 2 and can correspond to the grooves 5 of the pins 3, so that the pins 3 can be limited by the pressing plate 4, the looseness is not easy to occur in the processing and using processes, the pressing plate 4 can correspond to the grooves 5 of the pins 3 by arranging the reserved groove 18, the cushion 19 is used for protecting the pins 3, the fixing effect of the pins 3 is better, the anti-oxidation cushion 13 is filled, the TVS tube body 1 can be protected by arranging the anti-oxidation cushion 13, the external erosion and the vibration and the looseness are reduced, the edge part of the packaging top shell 7 is sealed by the packaging paste 8, the packaging top shell 7 is more easily disassembled while the sealing effect is achieved, the sheet-shaped inserting plate 9 corresponds to the clamping groove 6, so that the packaging top shell 7 can be stably packaged, during the use, through set up conducting strip 16 at the top of TVS pipe body 1 and carry out the heat conduction to utilize heat conduction metal pole 15 to conduct, and utilize fin 14 to dispel the heat, thereby can dispel the heat to the TVS pipe body 1 of encapsulation, can prevent the outside oxidation of protective housing 2 through setting up anticorrosive coating 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a small-signal TVS pipe mounting structure that leakproofness is good which characterized in that: including TVS pipe body (1) and protecting sheathing (2), back fixedly connected with pin (3) of TVS pipe body (1), inside fixedly connected with clamp plate (4) of protecting sheathing (2), the top of pin (3) is provided with recess (5), clamp plate (4) laminating is at the top of clamp plate (4), draw-in groove (6) have all been seted up to the top four sides of protecting sheathing (2), the top joint of draw-in groove (6) has encapsulation top shell (7).

2. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: the inside of draw-in groove (6) is provided with encapsulation cream (8), the bottom fixed mounting of encapsulation top shell (7) has slice picture peg (9), slice picture peg (9) are pegged graft in draw-in groove (6).

3. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: the protection casing (2) is fixedly connected with mounting panels (10) on two sides, and mounting holes (11) are formed in the tops of the mounting panels (10).

4. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: and the bottom of the protective shell (2) is provided with packaging resin (12).

5. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: the surface of the TVS pipe body (1) is provided with an anti-oxidation protection pad (13), and the anti-oxidation protection pad (13) is filled in the protective shell (2).

6. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: the packaging top shell (7) is internally provided with a radiating fin (14), the bottom of the radiating fin (14) is fixedly connected with a heat-conducting metal rod (15), the bottom of the heat-conducting metal rod (15) is fixedly connected with a heat-conducting fin (16), and the heat-conducting fin (16) is attached to the top of the TVS tube body (1).

7. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: an anti-corrosion layer (17) is fixedly connected to the outer surface of the protective shell (2).

8. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: the bottom of the pressing plate (4) is provided with a reserved groove (18) at a position corresponding to the pins (3), and a cushion pad (19) is fixedly mounted on the inner wall of the reserved groove (18).

9. The good-sealing small-signal TVS tube mounting structure as recited in claim 1, wherein: the back of the packaging top shell (7) is fixedly connected with a convex block (20), and the convex block (20) is semicircular.

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