CN220491740U - Ceramic metal protective housing - Google Patents
Ceramic metal protective housing Download PDFInfo
- Publication number
- CN220491740U CN220491740U CN202321800478.3U CN202321800478U CN220491740U CN 220491740 U CN220491740 U CN 220491740U CN 202321800478 U CN202321800478 U CN 202321800478U CN 220491740 U CN220491740 U CN 220491740U
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- Prior art keywords
- frame
- plates
- explosion
- radiating
- heat
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- 239000000919 ceramic Substances 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 239000003985 ceramic capacitor Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 40
- 238000004880 explosion Methods 0.000 claims description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 16
- 230000003139 buffering effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000009172 bursting Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the field of electric elements and discloses a ceramic metal protective shell which comprises a frame and a ceramic capacitor, wherein an explosion-proof shell is fixedly arranged in the frame, side radiating plates and upper and lower radiating plates are respectively embedded in end surfaces on two sides and upper and lower end surfaces of the frame, side heat conducting pipes and upper and lower heat conducting pipes are respectively fixedly arranged at the central positions of one opposite side of the side radiating plates and the central positions of one opposite side of the upper and lower radiating plates, the side heat conducting pipes and the upper and lower heat conducting pipes penetrate through the frame and are communicated to the central positions in the frame respectively, and side heat conducting plates and upper and lower heat conducting plates are fixedly arranged on one opposite sides of the side heat conducting pipes and the upper and lower heat conducting pipes respectively. According to the utility model, the metal protective shell improves the explosion-proof performance and reduces the probability of damaging peripheral electrical elements after the ceramic capacitor is broken once under the condition of ensuring the heat dissipation requirement of the internal ceramic capacitor.
Description
Technical Field
The utility model relates to the field of electrical elements, in particular to a ceramic metal protective shell.
Background
Ceramics are widely used in the production of electrical components due to their excellent insulation and structural strength, and ceramic components are of a wide variety, in which ceramic capacitors (ceramic condenser) are also known as ceramic dielectric capacitors or monolithic capacitors. As the name suggests, a ceramic capacitor is a capacitor whose dielectric material is ceramic. The ceramic material may be classified into a low-frequency ceramic capacitor and a high-frequency ceramic capacitor. The capacitor is classified into a wafer-shaped capacitor, a tubular capacitor, a rectangular capacitor, a chip capacitor, a feedthrough capacitor and the like according to the structural style.
The capacitor is commonly called a capacitor, the capacitor is also called a capacitance, and refers to a charge storage capacity under a given potential difference, charges are stressed and move in an electric field, when a medium exists between conductors, the charges are hindered from moving, so that the charges are accumulated on the conductors to cause accumulation and storage of the charges, the stored charge quantity is called a capacitor, and the capacitor is a common electronic element in electronic equipment and is widely applied to the fields of power electronics, communication facilities, rail transportation and the like in the aspects of blocking, coupling, bypass, filtering, tuning loops, energy conversion, control circuits and the like.
In the existing electrical technology, heat energy can be generated after the capacitor is used for a long time, if the capacitor shell works in a high-temperature working environment, explosion can easily occur, and once the explosion occurs, serious damage can be caused to surrounding electronic components, so that the whole circuit is disconnected or burnt out, and certain loss is caused.
Accordingly, a ceramic metal protective case is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides the ceramic metal protective shell, which improves the explosion-proof performance and reduces the probability of damaging peripheral electrical elements after the ceramic capacitor is broken once under the condition of ensuring the heat dissipation requirement of the internal ceramic capacitor.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the ceramic metal protective shell comprises a frame and a ceramic capacitor, wherein an explosion-proof shell is fixedly arranged in the frame, side radiating plates and upper and lower radiating plates are respectively embedded in the end surfaces on two sides and the upper and lower end surfaces of the frame, side heat conducting pipes and upper and lower heat conducting pipes are respectively fixedly arranged in the central positions on one side opposite to the side radiating plates and the central positions on one side opposite to the side radiating plates, the side heat conducting pipes and the upper and lower heat conducting pipes penetrate through the frame and are communicated to the central positions in the frame respectively, side heat conducting plates and upper and lower heat conducting plates are respectively fixedly arranged on one side opposite to the side heat conducting pipes and the upper and lower heat conducting plates, the ceramic capacitor is fixedly arranged between the side heat conducting plates and the upper and lower heat conducting plates, and an upper and lower tension spring and a side tension spring are respectively sleeved between the side heat conducting pipes and the frame;
the front and rear sides of the frame are respectively and fixedly provided with a front sealing plate and a rear sealing plate, the surfaces of the front sealing plate and the rear sealing plate are provided with surface pressure relief holes at equal intervals, and the end surfaces of the front and rear sides of the explosion-proof shell are provided with a plurality of pressure relief channels at equal intervals in a penetrating way;
according to the technical scheme, the heat of the ceramic capacitor is transferred to the upper heat conducting pipe, the lower heat conducting pipe and the side heat conducting pipes through the side heat conducting plates and the upper and lower heat conducting plates on the surfaces, and is transferred to the side heat radiating plate and the upper and lower heat radiating plate to be radiated to the outside through the upper and lower heat conducting pipes and the side heat conducting pipes, and meanwhile, the surface pressure relief holes formed in the surfaces of the front sealing plate and the back sealing plate are communicated with the inside and the outside through the surface pressure relief holes formed in the front and rear ends of the explosion-proof shell;
once the ceramic capacitor is broken, the generated fragments are blocked by the side heat-conducting plate, the upper heat-conducting plate, the lower heat-conducting plate and the explosion-proof shell, so that other peripheral electrical elements are prevented from being damaged, meanwhile, the energy generated by the ceramic capacitor explosion pushes the side heat-conducting pipe, the upper heat-conducting pipe and the lower heat-conducting pipe to overcome the side tension spring and the upper tension spring to do work, the explosion energy is reduced, the generated air wave impact is discharged from the surface pressure relief hole after sequentially passing through the pressure relief channel and the buffering cavity, the effect of multistage buffering is achieved, and the influence of the explosion on the periphery is reduced to the minimum.
Further, a buffer cavity is arranged between the front sealing plate and the back sealing plate and the explosion-proof shell respectively;
through above-mentioned technical scheme, the air current that produces the explosion is cushioned, keeps off the piece simultaneously.
Further, through long holes are formed in the upper and lower radiating plates and the side radiating plates in a penetrating manner;
through above-mentioned technical scheme, increase with the area of contact of air, be convenient for dispel the heat.
Further, the surfaces of the upper and lower radiating plates and the side radiating plates are fixedly provided with a plurality of radiating fins;
through above-mentioned technical scheme, increase with the area of contact of air, improve radiating efficiency.
Further, a lead is fixedly arranged at the center of the front end face of the ceramic capacitor;
by the technical scheme, the ceramic capacitor is connected into a circuit.
Further, a spherical cavity is fixedly arranged in the middle of the pressure relief channel;
through the technical scheme, the air flow buffering function is achieved, and the air flow generated by explosion is primarily buffered in the spherical cavity.
Further, the front ends of the leads penetrate through the explosion-proof shell, the frame and the front sealing plate and are communicated to the center of the front end face of the front sealing plate;
through the technical scheme, the circuit is used for being connected with a circuit.
Further, the frame, the explosion-proof shell, the front sealing plate and the back sealing plate are all made of aluminum alloy, and the side radiating plates and the upper and lower radiating plates are all made of copper-aluminum alloy;
through above-mentioned technical scheme, aluminum alloy provides higher structural strength for frame, explosion-proof shell, front shrouding and back shrouding, and copper-aluminum alloy provides better heat dispersion for side heating panel and upper and lower heating panel.
The utility model has the following beneficial effects:
1. according to the ceramic metal protective shell, heat of a ceramic capacitor in the metal protective shell is transferred to the upper heat conducting pipe, the lower heat conducting pipe and the side heat conducting pipes through the side heat conducting plates and the upper heat conducting plates and the lower heat conducting plates on the surfaces of the front sealing plate and the back sealing plate, the heat is transferred to the side heat radiating plate and the upper heat radiating plate and the lower heat radiating plate through the upper heat conducting pipes, the heat is radiated to the outside, and meanwhile, the inner side and the outer side of the ceramic capacitor are communicated through the surface pressure relief holes formed in the front sealing plate and the back sealing plate and the pressure relief channels in the front end and the rear end of the explosion-proof shell, so that heat radiation is facilitated, and the working temperature of the ceramic capacitor is reduced.
2. According to the ceramic metal protective shell, once the ceramic capacitor in the metal protective shell is broken, the generated fragments are blocked by the side heat-conducting plates, the upper heat-conducting plates, the lower heat-conducting plates and the explosion-proof shell, so that other peripheral electrical elements are prevented from being damaged, meanwhile, the side heat-conducting pipes and the upper heat-conducting pipes are pushed by energy generated by the ceramic capacitor explosion to overcome the side tension springs and the upper tension springs to do work, the explosion energy is reduced, the generated air wave impact sequentially passes through the pressure release channel and the buffering cavity and then is discharged from the surface pressure release hole, the effect of multistage buffering is achieved, the influence of explosion on the periphery is reduced to the minimum, and a certain explosion protection effect is achieved.
Drawings
FIG. 1 is an overall schematic axial side view of the present utility model;
FIG. 2 is a schematic front cross-sectional view of the present utility model;
FIG. 3 is a schematic side cross-sectional view of the present utility model;
fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.
Legend description:
1. a side tension spring; 2. a side heat pipe; 3. a side heat dissipation plate; 4. a side heat-conducting plate; 5. a back sealing plate; 6. an upper and lower heat conduction pipe; 7. an up-down tension spring; 8. an upper and a lower heat-conducting plates; 9. a front sealing plate; 10. a lead wire; 11. a ceramic capacitor; 12. a surface pressure relief hole; 13. a frame; 14. a through long hole; 15. radiating fins; 16. an upper and lower heat dissipation plate; 17. an explosion-proof housing; 18. a pressure relief channel; 19. a spherical cavity; 20. buffer cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, one embodiment provided by the present utility model is: the ceramic metal protective shell comprises a frame 13 and a ceramic capacitor 11, wherein an explosion-proof shell 17 is fixedly arranged in the frame 13, the frame 13 and the explosion-proof shell 17 form a multi-layer mechanism and jointly serve as an explosion-proof effect, side radiating plates 3 and upper and lower radiating plates 16 are respectively embedded in the end faces at two sides of the frame 13, side heat conducting pipes 2 and upper and lower heat conducting pipes 6 are respectively fixedly arranged at the central positions of one sides of the side radiating plates 3 and the central positions of one sides of the upper and lower radiating plates 16, the side heat conducting pipes 2 and the upper and lower heat conducting pipes 6 respectively penetrate through the frame 13 and are communicated to the central positions of the inside of the frame 13, side heat conducting plates 4 and upper and lower heat conducting plates 8 are respectively fixedly arranged at the opposite sides of the side heat conducting pipes 2 and the upper and lower heat conducting pipes 6, the ceramic capacitor 11 is fixedly arranged between the side heat conducting plates 4 and the upper and lower heat conducting plates 8, and an upper and lower tension spring 7 and a side tension spring 1 are respectively sleeved between the side heat conducting pipes 2 and the frame 13;
the front sealing plate 9 and the back sealing plate 5 are fixedly arranged on the front side and the rear side of the frame 13 respectively, surface pressure relief holes 12 are formed in the surfaces of the front sealing plate 9 and the back sealing plate 5 at equal intervals, and a plurality of pressure relief channels 18 are formed in the front end face and the rear end face of the explosion-proof shell 17 at equal intervals in a penetrating manner;
the heat of the ceramic capacitor 11 is transferred to the upper and lower heat conducting pipes 6 and 2 through the side heat conducting plates 4 and the upper and lower heat conducting plates 8 on the surfaces, and is transferred to the side heat radiating plate 3 and the upper and lower heat radiating plates 16 through the upper and lower heat conducting pipes 6 and the side heat conducting pipes 2 to be radiated to the outside, and meanwhile, the surface pressure relief holes 12 formed on the surfaces of the front sealing plate 9 and the back sealing plate 5 are communicated with the inside and the outside through the pressure relief channels 18 on the front and rear ends of the explosion-proof shell 17, so that the heat radiation is facilitated;
the heat of the ceramic capacitor 11 in the metal protective shell is transferred to the upper and lower heat conducting pipes 6 and 2 through the side heat conducting plates 4 and the upper and lower heat conducting plates 8 on the surfaces, and is transferred to the side heat radiating plate 3 and the upper and lower heat radiating plates 16 through the upper and lower heat conducting pipes 6 and the side heat conducting pipes 2 to be radiated to the outside, and meanwhile, the surface pressure relief holes 12 formed on the surfaces of the front sealing plate 9 and the back sealing plate 5 are communicated with the inside and the outside through the pressure relief channels 18 on the front and rear ends of the explosion-proof shell 17, so that the heat radiation is facilitated, and the working temperature of the ceramic capacitor 11 is reduced;
once the ceramic capacitor 11 inside the metal protective shell is broken, the generated fragments are blocked by the side heat-conducting plate 4, the upper heat-conducting plate 8, the lower heat-conducting plate 8 and the explosion-proof shell 17, so that other peripheral electrical elements are prevented from being damaged, meanwhile, the energy generated by the bursting of the ceramic capacitor 11 pushes the side heat-conducting tube 2 and the upper heat-conducting tube 6 to overcome the side tension spring 1 and the upper tension spring 7 to do work, the bursting energy is reduced, the generated air wave impact sequentially passes through the pressure release channel 18 and the buffer cavity 20 and then is discharged from the surface pressure release hole 12, the effect of multistage buffering is achieved, the influence of bursting on the periphery is minimized, and a certain bursting protection effect is achieved.
The front sealing plate 9 and the back sealing plate 5 are respectively provided with the buffer cavity 20 between the explosion-proof shell 17, the air flow generated by explosion is buffered, meanwhile, the chips are blocked, the through holes 14 are formed in the upper and lower radiating plates 16 and the side radiating plate 3 in a penetrating mode, the contact area with air is increased, the heat dissipation is facilitated, the surfaces of the upper and lower radiating plates 16 and the side radiating plate 3 are fixedly provided with a plurality of radiating wings 15, the contact area with air is increased, the heat dissipation efficiency is improved, the lead 10 is fixedly arranged at the central position of the front end face of the ceramic capacitor 11 and is used for connecting the ceramic capacitor 11 to a circuit, the spherical cavity 19 is fixedly arranged in the middle of the pressure release channel 18, the air flow buffering effect is achieved, the air flow generated by explosion is primarily buffered in the spherical cavity 19, the front end of the lead 10 penetrates through the shell 17, the frame 13 and the front sealing plate 9 to the central position of the front end face of the front sealing plate 9 and is used for connecting with the circuit, the frame 13, the explosion-proof shell 17, the front face 9 and the back radiating plate 5 are made of aluminum alloy, the side radiating plate 3 and the upper and the lower radiating plates 16 are made of copper aluminum alloy, the aluminum alloy is used for the frame 13, the explosion-proof shell 17, the front face 9 and the front sealing plate 9 and the back sealing plate 5 are made of high-strength and the upper and lower radiating plate are made of the copper aluminum alloy, and the heat dissipation performance is provided for the upper and lower radiating plate 3.
Working principle: when the ceramic capacitor is used, heat of the ceramic capacitor 11 is transferred to the upper heat conducting pipe 6, the lower heat conducting pipe 6 and the side heat conducting pipe 2 through the side heat conducting plates 4 and the upper heat conducting plate 8 on the surfaces, and is transferred to the side heat radiating plate 3 and the upper heat radiating plate 16 through the upper heat conducting pipe 6, the lower heat conducting pipe 2 and the lower heat conducting pipe 16 to be radiated to the outside, and meanwhile, the front sealing plate 9 and the back sealing plate 5 are provided with surface pressure relief holes 12 and a plurality of pressure relief channels 18 at the front end and the rear end of the explosion-proof shell 17 to enable the inside and the outside to be communicated, so that heat radiation is facilitated;
once the ceramic capacitor 11 is broken, the generated fragments are separated by the side heat-conducting plate 4, the upper heat-conducting plate 8, the lower heat-conducting plate 8 and the explosion-proof shell 17, so that other peripheral electrical elements are prevented from being damaged, meanwhile, the energy generated by the explosion of the ceramic capacitor 11 pushes the side heat-conducting tube 2 and the upper heat-conducting tube 6 to overcome the side tension spring 1 and the upper tension spring 7 to do work, the explosion energy is reduced, the generated air wave impact sequentially passes through the pressure release channel 18 and the buffer cavity 20, and then is discharged from the surface pressure release hole 12, the effect of multistage buffering is achieved, and the influence of the explosion on the periphery is reduced to the minimum.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A ceramic metal protective housing comprising a frame (13) and a ceramic capacitor (11), characterized in that: the anti-explosion heat-conducting device is characterized in that an anti-explosion shell (17) is fixedly arranged inside the frame (13), side heat-radiating plates (3) and upper and lower heat-radiating plates (16) are respectively embedded into two side end surfaces and upper and lower end surfaces of the frame (13), a plurality of side heat-radiating plates (3) are fixedly arranged between the central positions of one sides opposite to each other and the central positions of one sides opposite to the upper and lower heat-radiating plates (16), side heat-conducting pipes (2) and upper and lower heat-conducting pipes (6) are respectively fixedly arranged between the side heat-conducting plates (4) and the upper and lower heat-conducting plates (8), a plurality of side heat-conducting pipes (2) and the upper and lower heat-conducting pipes (6) respectively penetrate through the frame (13) to the central positions inside the frame (13), side heat-conducting plates (4) and upper and lower heat-conducting plates (8) are respectively fixedly arranged on one sides opposite to the side heat-conducting pipes (2) and the upper and lower tension springs (7) and the upper and lower tension springs (1) are respectively sleeved between the side heat-conducting pipes (6) and the side heat-conducting pipes (2) and the frame (13);
front shrouding (9) and back shrouding (5) are fixed respectively in both sides around frame (13), surface pressure release hole (12) have been seted up on front shrouding (9) and back shrouding (5) surface equidistant, a plurality of pressure release passageway (18) have all been run through to both sides terminal surface equidistant all in the explosion-proof shell (17).
2. A ceramic metal protective case according to claim 1, wherein: a buffer cavity (20) is arranged between the front sealing plate (9) and the back sealing plate (5) and the explosion-proof shell (17) respectively.
3. A ceramic metal protective case according to claim 1, wherein: the upper and lower radiating plates (16) and the side radiating plates (3) are internally provided with through long holes (14) in a penetrating way.
4. A ceramic metal protective case according to claim 1, wherein: and a plurality of radiating fins (15) are fixedly arranged on the surfaces of the upper radiating plate (16) and the lower radiating plate and the side radiating plate (3).
5. A ceramic metal protective case according to claim 1, wherein: the center of the front end face of the ceramic capacitor (11) is fixedly provided with a lead (10).
6. A ceramic metal protective case according to claim 1, wherein: the middle part of the pressure release channel (18) is fixedly provided with a spherical cavity (19).
7. A ceramic metal protective case according to claim 5, wherein: the front ends of the leads (10) penetrate through the explosion-proof shell (17), the frame (13) and the front sealing plate (9) and are communicated to the center of the front end face of the front sealing plate (9).
8. A ceramic metal protective case according to claim 1, wherein: the frame (13), the explosion-proof shell (17), the front sealing plate (9) and the back sealing plate (5) are made of aluminum alloy, and the side radiating plates (3) and the upper radiating plate and the lower radiating plate (16) are made of copper-aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800478.3U CN220491740U (en) | 2023-07-10 | 2023-07-10 | Ceramic metal protective housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800478.3U CN220491740U (en) | 2023-07-10 | 2023-07-10 | Ceramic metal protective housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220491740U true CN220491740U (en) | 2024-02-13 |
Family
ID=89840991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321800478.3U Active CN220491740U (en) | 2023-07-10 | 2023-07-10 | Ceramic metal protective housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220491740U (en) |
-
2023
- 2023-07-10 CN CN202321800478.3U patent/CN220491740U/en active Active
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