CN216161540U - Ceramic resistor with internal and external wiring - Google Patents
Ceramic resistor with internal and external wiring Download PDFInfo
- Publication number
- CN216161540U CN216161540U CN202122179830.3U CN202122179830U CN216161540U CN 216161540 U CN216161540 U CN 216161540U CN 202122179830 U CN202122179830 U CN 202122179830U CN 216161540 U CN216161540 U CN 216161540U
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- groove
- ceramic
- cylinder body
- resistor
- annular grooves
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- 239000000919 ceramic Substances 0.000 title claims abstract description 53
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of resistors, in particular to a ceramic resistor with internal and external wiring, which comprises a columnar ceramic substrate, wherein the middle part of the ceramic substrate is provided with a yielding groove, and more than two internal annular grooves are formed around the side wall of the yielding groove; more than two outer annular grooves are formed around the outer side wall of the ceramic substrate, and mutually communicated spiral resistance strips are respectively arranged in each inner annular groove and each outer annular groove; the side wall of the abdicating groove is covered with an insulated inner cylinder body, so that the inner annular groove is sealed; the outer side of the ceramic substrate is covered with an insulating outer cylinder body, so that the outer annular groove is sealed; and the outer cylinder body and/or the inner cylinder body are/is provided with a lug plate communicated with the resistance strip in a penetrating way. As the spiral resistor strips are uniformly arranged on the inner side and the outer side of the ceramic matrix, longer resistor strips can be accommodated in the ceramic matrix with the same volume, and the use requirement of small volume and large resistance is met.
Description
Technical Field
The utility model relates to the technical field of resistors, in particular to a ceramic resistor with internal and external wiring.
Background
The resistor is widely applied to the fields of power transmission and distribution filtering, electric transmission load, alternating current and direct current driving, pulse power supplies, induction heating, pulse networks, laser and the like. The existing resistor with large volume is not suitable for a use environment with small space. And the small-size resistor has small power and cannot meet the requirement of larger power. The existing ceramic resistor has short resistance accommodated inside. The resistance is small, and the requirements of large resistance and small volume cannot be met.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides an internal and external wiring ceramic resistor which is small in size and long in accommodated resistance.
In order to achieve the purpose, the utility model provides the following technical scheme:
the ceramic resistor with the internal and external wiring comprises a columnar ceramic substrate, wherein a yielding groove is formed in the middle of the ceramic substrate, and more than two internal annular grooves are formed around the side wall of the yielding groove; more than two outer annular grooves are formed around the outer side wall of the ceramic substrate, and mutually communicated spiral resistance strips are respectively arranged in each inner annular groove and each outer annular groove; the side wall of the abdicating groove is covered with an insulated inner cylinder body, so that the inner annular groove is sealed; the outer side of the ceramic substrate is covered with an insulating outer cylinder body, so that the outer annular groove is sealed; and the outer cylinder body and/or the inner cylinder body are/is provided with a lug plate communicated with the resistance strip in a penetrating way.
Optionally, an outer through groove is formed between adjacent outer annular grooves on the outer side of the ceramic substrate, and an outer conductive member is arranged in the outer through groove, so that the plurality of resistor strips located in the outer annular grooves are conducted.
Optionally, an inner through groove is formed between adjacent inner annular grooves of the yielding groove, and an inner conductive member is arranged in the inner through groove, so that the plurality of resistor strips located in the inner annular grooves are conducted.
Optionally, the inner cylinder and/or the outer cylinder are/is a cloud matrix.
Optionally, the top and the bottom of the ceramic substrate are respectively provided with an L-shaped flange, and the flange clamps the outer cylinder.
Optionally, the bottom of the abdicating groove is provided with a clamping groove, and the inner cylinder body is clamped in the clamping groove.
Optionally, the bottom of the ceramic substrate is integrally formed with a sealing plate, and a mounting hole is formed in the middle of the sealing plate.
The utility model has the beneficial effects that:
according to the ceramic resistor with the internal and external wiring, the spiral resistor strips are uniformly arranged on the inner side and the outer side of the ceramic substrate, so that longer resistor strips can be accommodated in the ceramic substrate with the same volume, and the use requirements of small volume and large resistance are met.
Drawings
Fig. 1 is a schematic structural view of ceramic resistors of internal and external wirings in the embodiment.
Fig. 2 is a sectional view of the ceramic resistor of the inner and outer wirings in the example.
Fig. 3 is an exploded view of the ceramic resistor of the inner and outer wiring in the embodiment.
Reference numerals:
the structure comprises a ceramic substrate 1, an abdicating groove 11, an inner annular groove 12, an outer annular groove 13, a flange 14, a clamping groove 15, a sealing plate 16, a mounting hole 17 and an outer through groove 18;
a resistor strip 2; an inner cylinder 3; an outer cylinder 4.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
The ceramic resistor of the internal and external wiring of the embodiment, as shown in fig. 1 to fig. 3, includes a cylindrical ceramic substrate 1, the middle of the ceramic substrate 1 is provided with a yielding groove 11, the side wall of the yielding groove 11 is provided with more than two inner annular grooves 12 arranged along the longitudinal direction, the outer side wall of the ceramic substrate 1 is provided with more than two outer annular grooves 13, and each inner annular groove 12 and each outer annular groove 13 are respectively provided with a mutually conductive and spiral resistor strip 2. The side wall of the relief groove 11 is covered with the insulating inner cylinder 3, thereby sealing the inner annular groove 12. The outer side of the ceramic base 1 is covered with an insulating outer cylinder 4, thereby sealing the outer annular groove 13. Because the spiral resistor strips 2 are uniformly arranged on the inner side and the outer side of the ceramic base body 1, longer resistor strips 2 can be accommodated in the ceramic base body 1 with the same volume, and the use requirement of small volume and large resistance value is met.
The resistor strips 2 are connected in series or in parallel: an outer through groove 18 is formed between adjacent outer annular grooves 13 on the outer side of the ceramic substrate 1, and an outer conductive member is disposed in the outer through groove 18 to conduct the plurality of resistor bars 2 located in the outer annular grooves 13. An inner through groove is formed between adjacent inner annular grooves 12 of the avoiding groove 11, and an inner conductive piece is arranged in the inner through groove, so that the plurality of resistor strips 2 positioned in the inner annular grooves 12 are conducted. As for the connection between the resistor strips 2 of the inner annular groove 12 and the resistor strips 2 of the outer annular groove 13, radial holes may be formed in the ceramic substrate 1, and conductive members may be arranged to conduct. As for the leading-out of the conductive strips, if the resistor strips 2 of the inner annular groove 12 and the resistor strips 2 of the outer annular groove 13 are conducted with each other, only the outer cylinder 4 or only the inner cylinder 3 is provided with the lug, one end of the lug is communicated with the conductive strips, and the other end of the lug penetrates through the inner cylinder 3 or the outer cylinder 4. If not, the outer cylinder 4 and the inner cylinder 3 are respectively provided with lugs communicated with the resistor strips 2 in a penetrating way.
In this embodiment, the inner cylinder 3 and/or the outer cylinder 4 are mica bodies, and the insulation effect is good.
In this embodiment, the top and the bottom of the ceramic substrate 1 are respectively provided with an L-shaped flange 14, and the flange 14 holds the outer cylinder 4. The bottom of the abdicating groove 11 is provided with a clamping groove 15, and the inner cylinder 3 is clamped in the clamping groove 15. The clamping mode has simple structure and convenient manufacture
Optionally, a sealing plate 16 is integrally formed at the bottom of the ceramic substrate 1, and a mounting hole 17 is formed in the middle of the sealing plate 16. It is convenient to wear the bolt in mounting hole 17 to be fixed in the user equipment with whole resistance.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A ceramic resistor with internal and external wiring is characterized in that: the ceramic seat comprises a columnar ceramic matrix, wherein a yielding groove is arranged in the middle of the ceramic matrix, and more than two inner annular grooves are formed around the side wall of the yielding groove; more than two outer annular grooves are formed around the outer side wall of the ceramic substrate, and mutually communicated spiral resistance strips are respectively arranged in each inner annular groove and each outer annular groove; the side wall of the abdicating groove is covered with an insulated inner cylinder body, so that the inner annular groove is sealed; the outer side of the ceramic substrate is covered with an insulating outer cylinder body, so that the outer annular groove is sealed; and the outer cylinder body and/or the inner cylinder body are/is provided with a lug plate communicated with the resistance strip in a penetrating way.
2. The ceramic resistor of claim 1, wherein: an outer through groove is formed between adjacent outer annular grooves on the outer side of the ceramic substrate, and an outer conductive piece is arranged in the outer through groove, so that a plurality of resistor strips located in the outer annular grooves are conducted.
3. The ceramic resistor according to claim 1 or 2, wherein: an inner through groove is formed between adjacent inner annular grooves of the yielding groove, and inner conductive pieces are arranged in the inner through groove, so that a plurality of resistance strips positioned in the inner annular grooves are conducted.
4. The ceramic resistor of claim 1, wherein: the inner cylinder body and/or the outer cylinder body are/is a cloud matrix.
5. The ceramic resistor of claim 1, wherein: the top and the bottom of the ceramic base body are respectively provided with an L-shaped flange which clamps the outer cylinder body.
6. The ceramic resistor of claim 1, wherein: the bottom of the abdicating groove is provided with a clamping groove, and the inner cylinder body is clamped in the clamping groove.
7. The ceramic resistor of claim 1, wherein: the bottom of ceramic base member integrated into one piece has the shrouding, and the middle part of shrouding is opened there is the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122179830.3U CN216161540U (en) | 2021-09-09 | 2021-09-09 | Ceramic resistor with internal and external wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122179830.3U CN216161540U (en) | 2021-09-09 | 2021-09-09 | Ceramic resistor with internal and external wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161540U true CN216161540U (en) | 2022-04-01 |
Family
ID=80847721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122179830.3U Active CN216161540U (en) | 2021-09-09 | 2021-09-09 | Ceramic resistor with internal and external wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161540U (en) |
-
2021
- 2021-09-09 CN CN202122179830.3U patent/CN216161540U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ceramic resistor for internal and external wiring Effective date of registration: 20230908 Granted publication date: 20220401 Pledgee: Hunan Bank Co.,Ltd. Taojiang County Branch Pledgor: HUNAN FULLDE ELECTRIC Co.,Ltd.|GUANGDONG FULLDE ELECTRONICS Co.,Ltd.|ZHUZHOU FULLDE RAIL TRANSIT RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2023980055812 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220401 Pledgee: Hunan Bank Co.,Ltd. Taojiang County Branch Pledgor: HUNAN FULLDE ELECTRIC Co.,Ltd.|GUANGDONG FULLDE ELECTRONICS Co.,Ltd.|ZHUZHOU FULLDE RAIL TRANSIT RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2023980055812 |