CN219418947U - Ceramic gas discharge tube - Google Patents
Ceramic gas discharge tube Download PDFInfo
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- CN219418947U CN219418947U CN202223429992.9U CN202223429992U CN219418947U CN 219418947 U CN219418947 U CN 219418947U CN 202223429992 U CN202223429992 U CN 202223429992U CN 219418947 U CN219418947 U CN 219418947U
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- heat
- discharge tube
- gas discharge
- ceramic gas
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Abstract
The utility model provides a ceramic gas discharge tube, which relates to the technical field of discharge tubes and comprises a fixed shell, two electrode pieces and a heat dissipation cover assembly, wherein a containing cavity for containing inert gas is arranged in the fixed shell; the ceramic gas discharge tube can effectively avoid heat accumulation of inert gas in the accommodating cavity, prevent the inert gas leakage caused by overheating, and prolong the service life of the ceramic discharge tube.
Description
Technical Field
The utility model relates to the technical field of discharge tubes, in particular to a ceramic gas discharge tube.
Background
Along with the steady development of the power industry in China, the rapid development of electronic products in China is promoted, the ceramic discharge tube plays a good circuit protection role in the circuit of the electronic products, and is widely applied to the electronic field, the ceramic discharge tube is sealed and packaged by ceramics, the inside of the ceramic discharge tube is composed of two or more metal electrodes with gaps, inert gases such as argon and neon are filled in the metal electrodes, when the voltage applied to the two electrode ends reaches the purpose of enabling the gas in the gas discharge tube to break down, the gas discharge tube starts to discharge, the high impedance is changed into low impedance, the surge voltage is rapidly shorted to be close to zero voltage, and overcurrent is released into the ground, so that the protection role on the subsequent circuit is played.
However, the ceramic gas discharge tube in the current market can generate a large amount of heat when in use, the heat dissipation effect of the ceramic gas discharge tube is poor, the heat can expand the internal inert gas, the inert gas is easy to leak due to long-time expansion, and the high temperature can influence the functions of the ceramic gas discharge tube, so that the service life is reduced.
Therefore, it is necessary to provide a ceramic gas discharge tube to solve the problem of poor heat dissipation effect of the conventional ceramic gas discharge tube.
Disclosure of Invention
In order to solve the above problems, the present utility model provides a ceramic gas discharge tube to solve the problem of poor heat dissipation effect of the conventional ceramic gas discharge tube.
The utility model is realized by the following technical scheme:
the utility model provides a ceramic gas discharge tube which comprises a fixed shell, two electrode pieces and a heat dissipation cover assembly, wherein an accommodating cavity for accommodating inert gas is formed in the fixed shell, the two electrode pieces are respectively inserted into and connected with two sides of the fixed shell in a sealing mode and extend into the accommodating cavity, the heat dissipation cover assembly is fixedly connected with the top of the fixed shell in a sealing mode and extends into the accommodating cavity, and the heat dissipation cover assembly is located at the central position above the two electrode pieces.
Further, the heat dissipation lid subassembly includes stopper ring, heat conduction spare, sealed lid, the fixed cover of stopper ring is located the periphery side of heat conduction spare, sealed lid fixed connection in the one end of stopper ring, the one end of heat conduction spare runs through the stopper ring and extends to hold the intracavity, the other end of heat conduction spare runs through sealed lid and extends to outside, the stopper ring accept in hold the intracavity, the outer wall of stopper ring with hold the inner wall zonulae occludens in chamber, the outer ring of sealed lid with the outer wall fixed connection of fixed shell.
Further, one end of the heat conducting piece is provided with a heat absorbing part, and the heat absorbing part extends into the accommodating cavity and is positioned at the upper central position of the two electrode pieces.
Further, the heat absorbing part comprises a containing groove and a plurality of heat absorbing rings, the containing groove is communicated with the containing cavity, and the heat absorbing rings are fixed on the bottom wall of the containing groove.
Further, the diameters of the heat absorption rings are sequentially decreased, and coaxial fixation is formed.
Further, a heat dissipation part is arranged at one end of the heat conduction piece, the heat dissipation part is far away from the heat absorption part, and the heat dissipation part penetrates through the sealing cover and extends to the outside.
Further, the heat dissipation portion comprises a plurality of heat dissipation plates and heat dissipation bosses, the plurality of heat dissipation plates are sequentially arranged, the heat dissipation bosses are located at the central positions of the plurality of heat dissipation plates and coaxial with the heat conduction piece, and the tops of the heat dissipation bosses protrude out of the heat dissipation plates.
Further, a heat dissipation groove for increasing the heat dissipation area is formed in the top of the heat dissipation boss.
Further, a fixing groove is formed in the center of the plug ring, the heat conducting piece penetrates through the fixing groove, and the outer peripheral side of the heat conducting piece is tightly connected with the groove wall of the fixing groove.
Further, a sealing ring is arranged on the groove wall of the fixing groove, and the inner wall of the sealing ring is tightly connected with the outer peripheral side of the heat conducting piece.
The utility model has the beneficial effects that:
according to the utility model, the top is provided with the heat radiating cover assembly to radiate the internal inert gas, so that the heat accumulation of the inert gas in the accommodating cavity is effectively avoided, the leakage of the inert gas caused by overheating is prevented, and the service life of the ceramic discharge tube is prolonged; when the heat of the inert gas in the accommodating cavity is accumulated, the inert gas transfers the heat to the heat absorbing part on the heat conducting piece, the heat absorbing part transfers the heat to the heat radiating part through the heat conducting piece after absorbing the heat, and the heat radiating part automatically radiates the heat because the external environment temperature is greatly different from that of the heat radiating part, so that the heat of the inert gas is fully absorbed by the heat absorbing part in the continuous radiating process, and the heat in the accommodating cavity cannot be accumulated; in summary, the ceramic gas discharge tube can effectively avoid heat accumulation of inert gas in the accommodating cavity, prevent inert gas leakage caused by overheating, and prolong the service life of the ceramic discharge tube.
Drawings
FIG. 1 is an exploded view of a ceramic gas discharge tube of the present utility model;
FIG. 2 is an overall schematic view of a ceramic gas discharge tube according to the present utility model;
FIG. 3 is a cross-sectional view of a ceramic gas discharge tube of the present utility model;
FIG. 4 is an exploded view of a heat dissipating cap assembly of a ceramic gas discharge tube of the present utility model;
fig. 5 is a schematic view of a heat conductive member of a ceramic gas discharge tube according to the present utility model.
The reference numerals are as follows:
a fixed case 1 accommodating the cavity 11;
an electrode member 2;
the heat radiation cover assembly 3, the plugging ring 31, the fixing groove 311, the sealing ring 3111, the heat conduction member 32, the heat absorbing portion 321, the receiving groove 3211, the heat absorbing ring 3212, the heat radiating portion 322, the heat radiating plate 3221, the heat radiating boss 3222, the heat radiating groove 32221, and the sealing cover 33.
Detailed Description
In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-5, the present utility model provides a ceramic gas discharge tube, which comprises a fixing shell 1, two electrode members 2, and a heat dissipation cover assembly 3, wherein a receiving cavity 11 for receiving inert gas is provided in the fixing shell 1, the two electrode members 2 are respectively inserted into and hermetically connected to two sides of the fixing shell 1 and extend into the receiving cavity 11, the heat dissipation cover assembly 3 is fixedly and hermetically connected to the top of the fixing shell 1 and extends into the receiving cavity 11, and the heat dissipation cover assembly 3 is located at a central position above the two electrode members 2.
In the present embodiment, the following is described.
The fixing shell 1 is made of ceramic materials and is used for providing a stable mounting structure for the two electrode parts 2 and the heat dissipation cover assembly 3;
the accommodating chamber 11 is used for filling inert gas;
the electrode pieces 2 are two in total and are used for conducting electricity;
the heat dissipation cover assembly 3 is used for dissipating heat of inert gas in the accommodating cavity 11;
specifically, during assembly, the fixing shell 1 and the two electrode parts 2 are assembled, then the fixing shell 1 assembled with the electrode parts 2 and the heat dissipation cover assembly 3 are placed in an inert gas environment with preset air pressure, then the heat dissipation cover assembly 3 is fixed on the top of the fixing shell 1 after the lamination is completed through external lamination equipment, and the accommodating cavity 11 is filled with inert gas;
when the heat of the inert gas in the accommodating cavity 11 is accumulated, the inert gas transfers the heat to one end of the heat radiating cover assembly 3, the other end of the heat radiating cover assembly 3 radiates the heat, and in the continuous radiating process, the heat of the inert gas is fully absorbed by the heat radiating cover assembly 3, so that the heat in the accommodating cavity 11 cannot be accumulated;
in summary, the ceramic gas discharge tube can effectively avoid heat accumulation of inert gas in the accommodating cavity, prevent inert gas leakage caused by overheating, and prolong the service life of the ceramic discharge tube.
Further, the heat dissipation cover assembly 3 includes a plugging ring 31, a heat conducting member 32, and a sealing cover 33, the plugging ring 31 is fixedly sleeved on the outer peripheral side of the heat conducting member 32, the sealing cover 33 is fixedly connected to one end of the plugging ring 31, one end of the heat conducting member 32 penetrates through the plugging ring 31 and extends into the accommodating cavity 11, the other end of the heat conducting member 32 penetrates through the sealing cover 33 and extends to the outside, the plugging ring 31 is accommodated in the accommodating cavity 11, the outer wall of the plugging ring 31 is tightly connected with the inner wall of the accommodating cavity 11, and the outer ring of the sealing cover 33 is fixedly connected with the outer wall of the fixing shell 1; one end of the heat conducting member 32 is provided with a heat absorbing part 321, and the heat absorbing part 321 extends into the accommodating cavity 11 and is positioned above the two electrode members 2; the heat absorbing portion 321 comprises a receiving groove 3211 and a plurality of heat absorbing rings 3212, the receiving groove 3211 is communicated with the receiving cavity 11, and the plurality of heat absorbing rings 3212 are fixed on the bottom wall of the receiving groove 3211; the diameters of the heat absorbing rings 3212 decrease in sequence and form coaxial fixation.
In the present embodiment, the following is described.
The plugging ring 31 is used for sealing the top of the fixed shell 1 and preventing inert gas from leaking to the outside through the gap of the accommodating cavity 11;
the heat conducting member 32 is used for conducting out heat in the inert gas;
the heat absorbing part 321 is used for absorbing heat of inert gas in the accommodating cavity 11;
the receiving groove 3211 is configured to increase a contact area between the heat absorbing portion 321 and the inert gas;
the heat absorbing ring 3212 is configured to absorb heat of the inert gas and transfer the heat to the heat conducting member 32;
the sealing cover 33 is used for sealing a gap between the sealing plug fastening ring 31 and the inner wall of the accommodating cavity 11;
specifically, when the heat of the inert gas in the accommodating cavity 11 is accumulated, the heat absorbing portion 321 on the heat conducting member 32 absorbs the heat in the inert gas, and in the process of absorbing the heat, the inert gas is filled in the accommodating groove 3211, the plurality of heat absorbing rings 3212 absorb the heat, and the absorbed heat is continuously transferred to the heat dissipating portion 322 by the heat conducting member 32 for dissipating the heat.
Further, a heat dissipation part 322 is arranged at one end of the heat conducting member 32, the heat dissipation part 322 is far away from the heat absorption part 321, and the heat dissipation part 322 penetrates through the sealing cover 33 and extends to the outside; heat dissipation portion 322 includes a plurality of heat dissipation plates 3221 and heat dissipation bosses 3222, wherein the plurality of heat dissipation plates 3221 are sequentially arranged, and heat dissipation bosses 3222 are located at the central positions of the plurality of heat dissipation plates 3221 and coaxial with heat conducting members 32, and the top of heat dissipation bosses 3222 protrudes from heat dissipation plates 3221; a heat radiation groove 32221 for increasing a heat radiation area is provided at the top of the heat radiation boss 3222.
In the present embodiment, the following is described.
The heat dissipation part 322 is used for dissipating heat;
the heat dissipation plate 3221 is used for increasing the heat dissipation area of the heat dissipation part 322, and meanwhile, the sequentially arranged structures also provide a channel for the external cooling air flow to flow through;
the heat dissipation boss 3222 is used for increasing the heat dissipation area of the heat dissipation portion 322;
the heat radiation groove 32221 is used for increasing the heat radiation area of the heat radiation portion 322;
specifically, after heat is transferred to the heat dissipation portion 322, since the external ambient temperature is greater than the difference between the external ambient temperature and the heat dissipation portion 322, the heat dissipation portion 322 can automatically dissipate heat, and meanwhile, the sequentially arranged heat dissipation plate 3221 structure also provides a channel for the external cooling air flow to flow through, so that the heat dissipation of the heat is accelerated, the heat of the inert gas is gradually and completely absorbed by the heat absorption portion 321 and is continuously transferred to the heat dissipation portion 322 for dissipation, and the heat in the accommodating cavity 11 cannot be accumulated.
Further, a fixing groove 311 is arranged in the center of the plugging ring 31, the heat conducting member 32 penetrates through the fixing groove 311, and the outer peripheral side of the heat conducting member 32 is tightly connected with the groove wall of the fixing groove 311; the groove wall of the fixing groove 311 is provided with a seal ring 3111, and an inner wall of the seal ring 3111 is tightly connected to an outer peripheral side of the heat conductive member 32.
In the present embodiment, the following is described.
The fixing groove 311 is used for providing a stable placing space for the heat conducting element 32;
the seal ring 3111 is configured to provide a seal structure for the inner wall of the fixing groove 311 and the outer wall of the heat conductive member 32, and to prevent leakage of inert gas from the gap between the fixing groove 311 and the heat conductive member 32 while enhancing the fixing force of the heat conductive member 32;
specifically, when the heat conductive member 32 is mounted, the seal ring 3111 is fixed to the inner wall of the fixing groove 311, and then the heat conductive member 32 is inserted into the fixing groove 311 and fixed, and at this time, the heat conductive member 32 is fixed to the packing ring 31.
Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a pottery gas discharge tube, its characterized in that includes fixed shell, two electrode parts, heat dissipation lid subassembly, be equipped with in the fixed shell and be used for holding inert gas hold the chamber, two electrode parts insert respectively establish and sealing connection in the both sides of fixed shell and extend to hold the intracavity, heat dissipation lid subassembly fixed and sealing connection in the top of fixed shell and extend to hold the intracavity, heat dissipation lid subassembly is located two the central point of electrode part top puts.
2. The ceramic gas discharge tube according to claim 1, wherein the heat dissipation cover assembly comprises a tightening ring, a heat conducting member and a sealing cover, the tightening ring is fixedly sleeved on the outer peripheral side of the heat conducting member, the sealing cover is fixedly connected to one end of the tightening ring, one end of the heat conducting member penetrates through the tightening ring and extends into the accommodating cavity, the other end of the heat conducting member penetrates through the sealing cover and extends to the outside, the tightening ring is accommodated in the accommodating cavity, the outer wall of the tightening ring is tightly connected with the inner wall of the accommodating cavity, and the outer ring of the sealing cover is fixedly connected with the outer wall of the fixing shell.
3. The ceramic gas discharge tube according to claim 2, wherein one end of the heat conductive member is provided with a heat absorbing portion which extends into the accommodating chamber and is located at a central position above both of the electrode members.
4. The ceramic gas discharge tube of claim 3 wherein the heat sink comprises a receiving groove in communication with the receiving cavity and a plurality of heat sink rings each secured to a bottom wall of the receiving groove.
5. The ceramic gas discharge tube of claim 4 wherein the plurality of heat absorbing rings decrease in diameter sequentially and form a coaxial fixture.
6. A ceramic gas discharge tube according to claim 3, wherein one end of the heat conductive member is provided with a heat radiating portion which is remote from the heat absorbing portion, and the heat radiating portion penetrates the sealing cover and extends to the outside.
7. The ceramic gas discharge tube of claim 6, wherein the heat dissipating part comprises a plurality of heat dissipating plates and heat dissipating bosses, the heat dissipating plates are sequentially arranged, the heat dissipating bosses are positioned at the central positions of the heat dissipating plates and coaxial with the heat conducting member, and the top of the heat dissipating bosses protrudes out of the heat dissipating plates.
8. The ceramic gas discharge tube of claim 7 wherein the top of the heat dissipating boss is provided with a heat dissipating groove for increasing the heat dissipating area.
9. The ceramic gas discharge tube of claim 2, wherein a fixing groove is provided in the center of the plug ring, the heat conductive member penetrates through the fixing groove, and an outer peripheral side of the heat conductive member is tightly connected with a groove wall of the fixing groove.
10. The ceramic gas discharge tube according to claim 9, wherein a seal ring is provided on a wall of the fixing groove, and an inner wall of the seal ring is tightly connected to an outer peripheral side of the heat conductive member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223429992.9U CN219418947U (en) | 2022-12-21 | 2022-12-21 | Ceramic gas discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223429992.9U CN219418947U (en) | 2022-12-21 | 2022-12-21 | Ceramic gas discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418947U true CN219418947U (en) | 2023-07-25 |
Family
ID=87238616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223429992.9U Active CN219418947U (en) | 2022-12-21 | 2022-12-21 | Ceramic gas discharge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418947U (en) |
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2022
- 2022-12-21 CN CN202223429992.9U patent/CN219418947U/en active Active
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