CN214956444U - Low self-heating alternating current ceramic dielectric capacitor - Google Patents
Low self-heating alternating current ceramic dielectric capacitor Download PDFInfo
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- CN214956444U CN214956444U CN202121091360.9U CN202121091360U CN214956444U CN 214956444 U CN214956444 U CN 214956444U CN 202121091360 U CN202121091360 U CN 202121091360U CN 214956444 U CN214956444 U CN 214956444U
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- condenser
- epoxy resin
- heat dissipation
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Abstract
The utility model discloses a low autogenous generating alternating current porcelain dielectric capacitor relates to porcelain dielectric capacitor technical field, and is comparatively closely knit for solving the condenser inner space for the low autogenous generating capacity of condenser is limited, and heat exchange efficiency is limited, and the heat that produces during the use is piled up on the condenser, leads to the temperature of condenser to rise gradually, can not satisfy the problem of user demand. The utility model discloses a capacitor shell, including the condenser shell body, epoxy cover and condenser shell body, the inside of condenser shell body is provided with the epoxy cover, and epoxy cover and condenser shell body coupling structure as an organic whole, the inside of epoxy cover is provided with the electric capacity core, be provided with the metal heat dissipation strip on the outer wall of condenser shell body, be provided with graphite heat conduction block between epoxy cover and the condenser shell body, graphite heat conduction block is provided with threely, and the both ends of graphite heat conduction block extend to the inside of epoxy cover and condenser shell body respectively, graphite heat conduction block and metal heat dissipation strip laminate mutually.
Description
Technical Field
The utility model relates to a porcelain dielectric capacitor technical field specifically is a low autogenous generating heat's alternating current porcelain dielectric capacitor.
Background
The capacitor is one of the electronic elements widely used in the circuit, such as DC blocking AC, coupling, bypass, filtering, tuning loop, energy conversion, control, etc., and the AC ceramic capacitor is a common capacitor.
At present, the internal space of the AC ceramic capacitor is compact, so that the low self-heating performance of the capacitor is limited, the heat exchange efficiency is limited, the heat generated during use is accumulated on the capacitor, the temperature of the capacitor is gradually increased, the use requirement cannot be met, and the AC ceramic capacitor with low self-heating is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low autogenous generating alternating current porcelain dielectric capacitor to it is comparatively closely knit to provide the condenser inner space in solving above-mentioned background art, makes the low autogenous generating capacity of condenser limited, and heat exchange efficiency is limited, and the heat that produces during the use is piled up on the condenser, leads to the temperature of condenser to rise gradually, can not satisfy the problem of user demand.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low themogenesis exchanges porcelain dielectric capacitor, includes capacitor case body, capacitor case body's inside is provided with the epoxy cover, and epoxy cover and capacitor case body coupling structure as an organic whole, the inside of epoxy cover is provided with electric capacity core, and electric capacity core and epoxy cover set up structure as an organic whole, be provided with the metal radiating strip on capacitor case body's the outer wall, and metal radiating strip and capacitor case body set up structure as an organic whole, be provided with graphite conducting block between epoxy cover and the capacitor case body, graphite conducting block is provided with threely, and the both ends of graphite conducting block extend to the inside of epoxy cover and capacitor case body respectively, graphite conducting block and metal radiating strip laminate mutually.
Preferably, a front end cover is arranged on one side of the capacitor outer shell, and the front end cover and the capacitor outer shell are connected into an integral structure.
Preferably, a circulation cavity is arranged between the epoxy resin sleeve and the capacitor outer shell and between the epoxy resin sleeve and the front end cover.
Preferably, the front end cover is provided with a heat dissipation hole groove, the inside of the heat dissipation hole groove is provided with an active carbon dust screen, and the active carbon dust screen is attached to the inner wall of the heat dissipation hole groove.
Preferably, a negative pin and a positive pin are arranged below the capacitor shell, and the negative pin and the positive pin are electrically connected with the capacitor core.
Preferably, rubber insulating sleeves are arranged at the contact positions of the negative electrode pin and the positive electrode pin with the capacitor shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a device passes through the setting of graphite conducting strip and metal heat dissipation strip, can conduct the heat absorption on the rubber insulation cover to the metal heat dissipation strip with the help of the metal heat dissipation strip to can shift the inside heat of condenser to the surface of condenser, can accelerate thermal loss under the effect of metal heat dissipation strip, reach the radiating effect, realize low self-generating heat's performance. The problem of the inside heat that produces of condenser during operation is difficult to release, leads to the inside temperature rise of condenser is solved.
2. The utility model discloses a device passes through circulation chamber, radiating hole groove and active carbon dust screen's setting, can realize the inside thermal flow of condenser with the help of circulation chamber, avoids the inside local heat of condenser to pile up, can dredge away the heat under the effect in radiating hole groove, plays certain radiating effect, and the active carbon dust screen can play dampproofing, dirt-proof effect. The problem of inside heat maldistribution of condenser leads to local high temperature is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a vertical cross-sectional view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of the present invention.
In the figure: 1. a capacitor outer case; 2. a front end cover; 3. a heat dissipation hole slot; 4. a nameplate code; 5. a metal heat sink strip; 6. a negative electrode pin; 7. a positive electrode pin; 8. a rubber insulating sleeve; 9. a graphite heat-conducting block; 10. an epoxy resin sleeve; 11. a flow-through chamber; 12. an active carbon dust screen; 13. and a capacitor core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: an alternating current ceramic dielectric capacitor with low self-heating comprises a capacitor shell body 1, wherein an epoxy resin sleeve 10 is arranged inside the capacitor shell body 1, the epoxy resin sleeve 10 and the capacitor shell body 1 are connected into an integral structure, the epoxy resin sleeve 10 can play a role in insulation and explosion prevention, a capacitor core 13 is arranged inside the epoxy resin sleeve 10, the capacitor core 13 and the epoxy resin sleeve 10 are arranged into an integral structure, a metal radiating strip 5 is arranged on the outer wall of the capacitor shell body 1, the metal radiating strip 5 and the capacitor shell body 1 are arranged into an integral structure, a graphite heat conducting block 9 is arranged between the epoxy resin sleeve 10 and the capacitor shell body 1, the number of the graphite heat conducting blocks 9 is three, two ends of the graphite heat conducting block 9 respectively extend into the epoxy resin sleeve 10 and the inside of the capacitor shell body 1, and the graphite heat conducting block 9 is attached to the metal radiating strip 5, the graphite heat conducting block 9 can absorb and transfer heat on the epoxy resin sleeve 10 to the metal heat dissipation strip 5, so that the heat dissipation effect is achieved.
Further, one side of the capacitor shell body 1 is provided with a front end cover 2, the front end cover 2 is connected with the capacitor shell body 1 to form an integrated structure, a nameplate code 4 is arranged on the front end cover 2, and the nameplate code 4 is connected with the front end cover 2 in a sealing mode to form an integrated structure. The interior of the capacitor can be repaired by detaching the front end cover 2.
Further, a circulation cavity 11 is arranged between the epoxy resin sleeve 10 and the capacitor outer shell 1 and the front end cover 2. The heat inside the capacitor can flow through the circulation cavity 11, so that the heat inside the capacitor is prevented from being unevenly distributed, and the temperature inside the capacitor is balanced.
Further, be provided with heat dissipation hole groove 3 on the front end housing 2, the inside of heat dissipation hole groove 3 is provided with active carbon dust screen 12, and active carbon dust screen 12 is connected with the inner wall laminating of heat dissipation hole groove 3. The heat in the circulation chamber 11 can be conducted and released through the heat dissipation hole grooves 3, thereby controlling the temperature inside the capacitor.
Further, a negative electrode pin 6 and a positive electrode pin 7 are arranged below the capacitor shell body 1, one ends of the negative electrode pin 6 and the positive electrode pin 7 penetrate through the capacitor shell body 1 and the epoxy resin sleeve 10 and extend to the inside of the capacitor core 13, and the negative electrode pin 6 and the positive electrode pin 7 are electrically connected with the capacitor core 13. The capacitor can be connected and mounted through the negative pin 6 and the positive pin 7.
Further, the contact positions of the negative electrode pin 6 and the positive electrode pin 7 with the capacitor shell body 1 are both provided with rubber insulating sleeves 8. The insulating property between the negative electrode pin 6 and the positive electrode pin 7 and the capacitor body is ensured by the rubber insulating sleeve 8.
The working principle is as follows: when the capacitor is used, the negative pin 6 and the positive pin 7 are correctly connected and mounted, the graphite heat conduction block 9 can absorb and transfer heat on the epoxy resin sleeve 10 to the metal heat dissipation strip 5, and the heat transferred to the metal heat dissipation strip 5 can be quickly released by utilizing the heat dissipation performance of the metal heat dissipation strip 5, so that the temperature in the capacitor is controlled; the heat in the capacitor can flow by virtue of the circulation cavity 11, the local accumulation of the heat is avoided, the heat in the circulation cavity 11 can be conducted and released under the action of the heat dissipation hole grooves 3, and the low self-heating performance of the capacitor is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An alternating current ceramic dielectric capacitor with low self-heating comprises a capacitor outer shell (1), and is characterized in that: an epoxy resin sleeve (10) is arranged inside the capacitor outer shell (1), the epoxy resin sleeve (10) and the capacitor outer shell (1) are connected into an integral structure, a capacitor core (13) is arranged inside the epoxy resin sleeve (10), the capacitor core (13) and the epoxy resin sleeve (10) are arranged into an integral structure, the outer wall of the capacitor shell body (1) is provided with a metal heat dissipation strip (5), and the metal radiating strip (5) and the capacitor outer shell (1) are arranged into an integral structure, three graphite heat-conducting blocks (9) are arranged between the epoxy resin sleeve (10) and the capacitor shell body (1), and the number of the graphite heat-conducting blocks (9) is three, and the both ends of graphite heat conduction piece (9) extend to the inside of epoxy cover (10) and capacitor case body (1) respectively, graphite heat conduction piece (9) and metal heat dissipation strip (5) are laminated mutually.
2. A low self-heating ac ceramic dielectric capacitor as claimed in claim 1, wherein: one side of the capacitor shell body (1) is provided with a front end cover (2), and the front end cover (2) is connected with the capacitor shell body (1) into an integral structure.
3. A low self-heating ac ceramic dielectric capacitor as claimed in claim 1, wherein: a circulation cavity (11) is arranged between the epoxy resin sleeve (10) and the capacitor outer shell (1) and between the epoxy resin sleeve and the front end cover (2).
4. A low self-heating ac ceramic dielectric capacitor as claimed in claim 2, wherein: be provided with heat dissipation hole groove (3) on front end housing (2), the inside of heat dissipation hole groove (3) is provided with active carbon dust screen (12), and the inner wall laminating of active carbon dust screen (12) and heat dissipation hole groove (3) is connected.
5. A low self-heating ac ceramic dielectric capacitor as claimed in claim 1, wherein: the capacitor is characterized in that a negative electrode pin (6) and a positive electrode pin (7) are arranged below the capacitor shell body (1), and the negative electrode pin (6) and the positive electrode pin (7) are electrically connected with the capacitor core (13).
6. A low self-heating AC ceramic dielectric capacitor as claimed in claim 5, wherein: and rubber insulating sleeves (8) are arranged at the contact parts of the negative electrode pin (6) and the positive electrode pin (7) and the capacitor shell body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121091360.9U CN214956444U (en) | 2021-05-20 | 2021-05-20 | Low self-heating alternating current ceramic dielectric capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121091360.9U CN214956444U (en) | 2021-05-20 | 2021-05-20 | Low self-heating alternating current ceramic dielectric capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956444U true CN214956444U (en) | 2021-11-30 |
Family
ID=79062024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121091360.9U Active CN214956444U (en) | 2021-05-20 | 2021-05-20 | Low self-heating alternating current ceramic dielectric capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956444U (en) |
-
2021
- 2021-05-20 CN CN202121091360.9U patent/CN214956444U/en active Active
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