CN111489870A - High-power high-resistance special-shaped cement resistor - Google Patents
High-power high-resistance special-shaped cement resistor Download PDFInfo
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- CN111489870A CN111489870A CN201911295854.6A CN201911295854A CN111489870A CN 111489870 A CN111489870 A CN 111489870A CN 201911295854 A CN201911295854 A CN 201911295854A CN 111489870 A CN111489870 A CN 111489870A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
- H01C3/16—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding including two or more distinct wound elements or two or more winding patterns
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Abstract
The invention belongs to the technical field of electronic elements. The existing resistor has poor heat dissipation performance. The technical scheme of the invention is as follows: a high-power high-resistance special-shaped cement resistor is formed by connecting a first resistor and a second resistor in series, wherein the first resistor comprises a first ceramic shell, a first cavity is arranged in the first ceramic shell, a notch rod resistor core and a winding rod resistor core are arranged in the first cavity, and the rest part in the first cavity is sealed by a packaging material; the second resistor comprises a second ceramic shell, a second cavity is arranged in the second ceramic shell, another winding bar resistance core is arranged in the second cavity, the other end of the winding bar resistance core positioned in the first cavity is connected with the other end of the other winding bar resistance core positioned in the second cavity in series, and the second cavity is sealed through a packaging material. The cement resistor has the advantages that the resistor core adopts a series connection mode of the resistor cores, has the characteristic of high-resistance power, and effectively realizes the characteristic of effective heat dissipation of the cement resistor through the design of the mode.
Description
Technical Field
The invention belongs to the technical field of electronic elements, and particularly relates to a high-power high-resistance special-shaped cement resistor.
Background
The high-power high-resistivity cement resistor belongs to a power type resistor, the high-power characteristic of the cement resistor is realized by forming a resistor core by adopting a winding mode generally at present, and the cement resistor has poor heat dissipation performance.
Disclosure of Invention
The invention aims to provide a high-power high-resistance special-shaped cement resistor to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-power high-resistance special-shaped cement resistor is formed by connecting a first resistor and a second resistor in series, wherein the first resistor comprises a first ceramic shell, a first cavity is formed in the first ceramic shell, a notch bar resistor core and a winding bar resistor core are arranged in the first cavity, one end of the winding bar resistor core is connected with one end of the notch bar resistor core in series in a welding mode, meanwhile, the end part of the winding bar resistor core is connected with a white multi-strand yarn covered wire in a riveting mode to lead out a first electrode, the other end of the notch bar resistor core and a black high-temperature wire are led out of a second electrode in a riveting mode, and the rest part in the first cavity is sealed through a packaging material; the second resistor comprises a second ceramic shell, a second cavity is arranged in the second ceramic shell, another winding rod resistor core is arranged in the second cavity, one end of the winding rod resistor core and the white multi-strand sand-coated wire are led out of a third electrode in a riveting mode, the other end of the winding rod resistor core in the first cavity is connected in series with the other end of the winding rod resistor core in the second cavity, and the rest part in the second cavity is sealed through a packaging material.
Preferably, the main component of the encapsulating material is silicone resin.
Preferably, two identical winding rod resistance cores are arranged in the second cavity, and the two winding rod resistance cores are connected in series in a welding mode and then connected in series with the winding rod resistance core in the first cavity.
Preferably, the two winding rod resistance cores are connected in series in a welding mode and then connected in series with the winding rod resistance core in the first cavity in a riveting mode through a plurality of white strands of sand-coated wires.
Preferably, the surfaces of the first porcelain shell and the second porcelain shell are provided with 4 mounting holes.
Preferably, the shape setting of first porcelain shell and second porcelain shell is the cuboid, the length setting of first porcelain shell and second porcelain shell is 87 ~ 90.5mm, and the width setting is 44 ~ 45.5mm, and the height setting is 14 ~ 15.5 mm.
The invention has the technical effects and advantages that: the resistor core adopts a series connection mode of the resistor core, has the characteristic of high-resistance power, and effectively realizes the characteristic of effective heat dissipation of the cement resistor through the design of the mode.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
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.
The invention provides a high-power high-resistance special-shaped cement resistor as shown in figure 1, which is formed by connecting a first resistor and a second resistor in series, wherein the first resistor comprises a first ceramic shell 1, a first cavity is arranged in the first ceramic shell 1, a notch bar resistance core 3 and a winding bar resistance core 4 are arranged in the first cavity, one end of the winding bar resistance core 4 is connected with one end of the notch bar resistance core 3 in series in a welding mode, meanwhile, the end part is connected with a white multi-strand yarn covered wire 6 in a riveting mode to lead out a first electrode, the other end of the notch bar resistance core 3 and a black high-temperature wire 5 are connected in series to lead out a second electrode, and the rest part in the first cavity is sealed by a packaging material 2; the second resistor comprises a second porcelain shell 8, a second cavity is formed in the second porcelain shell 8, another winding bar resistance core 4 is arranged in the second cavity, one end of the winding bar resistance core 4 and the white multistrand sand-coated wire 6 are led out of a third electrode in a riveting mode, the other end of the winding bar resistance core 4 in the first cavity is connected with the other end of the other winding bar resistance core 4 in the second cavity in series, and the rest part in the second cavity is sealed through an encapsulating material 2.
The main component of the encapsulating material 2 is organic silicon resin.
Two identical winding rod resistance cores 4 are arranged in the second cavity, and the two winding rod resistance cores 4 are connected in series in a welding mode and then connected in series with the winding rod resistance core 4 in the first cavity.
According to the invention, two winding rod resistance cores 4 are connected in series in a welding mode and then are riveted and connected in series with the winding rod resistance core 4 in the first cavity through a white multi-strand sand-coated wire 6.
For the convenience of installation, the surfaces of the first porcelain shell 1 and the second porcelain shell 8 are provided with 4 installation holes.
The first ceramic shell 1 and the second ceramic shell 8 are both cuboid in shape, the first ceramic shell 1 and the second ceramic shell 8 are both 87-90.5 mm in length, 44-45.5 mm in width and 14-15.5 mm in height.
The working principle of the invention is as follows: the structure that 4 resistance core rods are connected in series is utilized, the grooved rod resistance core 3 is adopted, and 3 electrodes are led out from the wound rod resistance core 4 in a riveting mode and are connected with an external circuit.
Finally, it should be noted that: although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A high-power high-resistance special-shaped cement resistor is characterized in that: the high-power high-resistance special-shaped cement resistor is formed by connecting a first resistor and a second resistor in series, the first resistor comprises a first ceramic shell (1), a first cavity is formed in the first ceramic shell (1), a notch bar resistor core (3) and a winding bar resistor core (4) are arranged in the first cavity, one end of the winding bar resistor core (4) is connected with one end of the notch bar resistor core (3) in series in a welding mode, meanwhile, the end part of the winding bar resistor core is connected with a white multi-strand yarn covered wire (6) in a riveting mode to lead out a first electrode, the other end of the notch bar resistor core (3) and a black high-temperature wire (5) are connected in series to lead out a second electrode in a riveting mode, and the rest parts in the first cavity are sealed through an encapsulating material (2); the second resistor comprises a second porcelain shell (8), a second cavity is formed in the second porcelain shell (8), another winding bar resistance core (4) is arranged in the second cavity, one end of the winding bar resistance core (4) and the white multistrand sand-coated wire (6) are led out of a third electrode in a riveting mode, the other end of the winding bar resistance core (4) in the first cavity is connected in series with the other end of the other winding bar resistance core (4) in the second cavity, and the rest part in the second cavity is sealed through an encapsulating material (2).
2. The high-power high-resistance profiled cement resistor according to claim 1, characterized in that: the main component of the encapsulating material (2) is organic silicon resin.
3. The high-power high-resistance special-shaped cement resistor according to claim 1, characterized in that: two identical winding rod resistance cores (4) are arranged in the second cavity, and the two winding rod resistance cores (4) are connected in series in a welding mode and then connected in series with the winding rod resistance core (4) in the first cavity.
4. The high-power high-resistance special-shaped cement resistor according to claim 3, characterized in that: the two winding rod resistance cores (4) are connected in series in a welding mode and then are riveted and connected in series with the winding rod resistance core (4) in the first cavity through the white multi-strand sand-coated wire (6).
5. The high-power high-resistance special-shaped cement resistor according to claim 1, characterized in that: the surfaces of the first porcelain shell (1) and the second porcelain shell (8) are provided with 4 mounting holes.
6. The high-power high-resistance profiled cement resistor according to claim 1, characterized in that: the shape setting of first porcelain shell (1) and second porcelain shell (8) is the cuboid, the length setting of first porcelain shell (1) and second porcelain shell (8) is 87 ~ 90.5mm, and the width setting is 44 ~ 45.5mm, and the height setting is 14 ~ 15.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295854.6A CN111489870B (en) | 2019-12-16 | 2019-12-16 | High-power high-resistance special-shaped cement resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295854.6A CN111489870B (en) | 2019-12-16 | 2019-12-16 | High-power high-resistance special-shaped cement resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111489870A true CN111489870A (en) | 2020-08-04 |
| CN111489870B CN111489870B (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911295854.6A Active CN111489870B (en) | 2019-12-16 | 2019-12-16 | High-power high-resistance special-shaped cement resistor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039996A (en) * | 1976-05-04 | 1977-08-02 | Emerson Electric Co. | Electric heating elements |
| CN201859725U (en) * | 2010-09-10 | 2011-06-08 | 东莞市福德电子有限公司 | Steel pipe cement resistor |
| JP2015135860A (en) * | 2014-01-16 | 2015-07-27 | ミクロン電気株式会社 | resistor |
| CN208225630U (en) * | 2018-05-29 | 2018-12-11 | 深圳意杰（Ebg）电子有限公司 | A kind of automobile-used ultrahigh power resistor |
| CN109256248A (en) * | 2018-09-25 | 2019-01-22 | 元铭信（天津）电子有限公司 | A kind of Combined resistance box structure |
-
2019
- 2019-12-16 CN CN201911295854.6A patent/CN111489870B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039996A (en) * | 1976-05-04 | 1977-08-02 | Emerson Electric Co. | Electric heating elements |
| CN201859725U (en) * | 2010-09-10 | 2011-06-08 | 东莞市福德电子有限公司 | Steel pipe cement resistor |
| JP2015135860A (en) * | 2014-01-16 | 2015-07-27 | ミクロン電気株式会社 | resistor |
| CN208225630U (en) * | 2018-05-29 | 2018-12-11 | 深圳意杰（Ebg）电子有限公司 | A kind of automobile-used ultrahigh power resistor |
| CN109256248A (en) * | 2018-09-25 | 2019-01-22 | 元铭信（天津）电子有限公司 | A kind of Combined resistance box structure |
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| CN111489870B (en) | 2021-12-17 |
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