CN114999750B - Phase-change type temperature control constant resistor - Google Patents
Phase-change type temperature control constant resistor Download PDFInfo
- Publication number
- CN114999750B CN114999750B CN202210663320.XA CN202210663320A CN114999750B CN 114999750 B CN114999750 B CN 114999750B CN 202210663320 A CN202210663320 A CN 202210663320A CN 114999750 B CN114999750 B CN 114999750B
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- Prior art keywords
- phase
- resistor
- resistance
- bellows
- change temperature
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- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000012782 phase change material Substances 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims abstract description 7
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229940038384 octadecane Drugs 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 5
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Resistors (AREA)
Abstract
The invention discloses a phase-change temperature-control constant resistor, which comprises a resistor body, contact pieces, clamping plates, corrugated pipes, a sleeve and a screw assembly, wherein the resistor body is fastened and installed by adopting the screw assembly through an upper clamping plate and a lower clamping plate, the sleeve is arranged on the resistor body, the corrugated pipes are arranged outside the sleeve, cooling matrixes are arranged in the corrugated pipes, the cooling matrixes are made of paraffin phase-change materials, the contact pieces are arranged on the upper parts of the corrugated pipes, the total heights of the corrugated pipes and the contact pieces are slightly smaller than the distance between the upper clamping plates and the lower clamping plates, and when the corrugated pipes deform to reach a set value, the contact pieces are jacked upwards to contact with the clamping plates on the upper parts, so that a conductive path is formed, which is equivalent to connecting a resistor in parallel with the resistor body, and the effect of reducing the resistance is achieved, so that the resistance of the resistor is constant. The resistor has high heat resistance, good heat dissipation performance and stable resistance value when in instantaneous high-power operation.
Description
Technical Field
The invention belongs to the technical field of electronic components, and particularly relates to a phase-change temperature-control constant resistor which is suitable for metal material resistors.
Background
The impediment of a conductor to current flow is called the resistance of the conductor. The higher the temperature of most conductors, the greater the resistance, such as metals and the like; the higher the minority conductor temperature, the less resistance, such as carbon. The resistance is an attribute of the conductor itself, and therefore, the resistance of the conductor is independent of whether the conductor is connected to a circuit, whether current is present in the conductor, the magnitude of the current, and the like. When the temperature of the resistor is increased to a certain amount, the working energy consumption of the resistor is required to be reduced.
For the shell emission electric control system, the shell is continuously emitted, the ambient temperature rises suddenly in a short time, the resistance temperature in the system also rises suddenly, the resistance value changes correspondingly, the resistance value changes slightly, the current and the voltage in the circuit change to a certain extent, so that the electric control signal is unstable, the current and the voltage signal are not regulated in a short time, and the precision of shell continuous emission cannot be ensured, therefore, the resistance heat dissipation performance in the electric control system is good, and the resistance value is constant.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention provides the phase-change temperature-control constant resistor with good heat dissipation performance and stable resistance value.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a invariable resistance of phase transition control by temperature change, includes resistance body, respectively the clamping plate of centre gripping in resistance body upper and lower end and the insulating screw rod subassembly of fastening splint, resistance body overcoat be equipped with the sleeve, the sleeve be equipped with the bellows outward, the bellows in be equipped with the cooling base member, the cooling base member be the phase change material of adding the heat conduction filler, bellows upper portion be equipped with the contact patch.
The phase-change temperature-control constant resistor is characterized in that the contact piece is made of copper sheets.
The phase-change temperature-control constant resistor is characterized in that the contact piece of the phase-change temperature-control constant resistor is welded on the corrugated pipe.
The phase-change type temperature-control constant resistor is characterized in that the phase-change material is octadecane.
According to the phase-change temperature-control constant resistor, the corrugated pipe is externally provided with the heat dissipation parts with the alternate concave and convex parts.
The phase-change temperature-control constant resistor is characterized in that threaded holes are formed in two ends of a resistor body respectively.
The sleeve of the phase-change temperature-control constant resistor is made of rubber.
The clamping plate of the phase-change temperature-control constant resistor adopts an aluminum alloy plate.
The screw assembly of the phase-change temperature-control constant resistor adopts a plastic screw.
The beneficial effects of the invention are as follows: the resistor has high heat resistance, good heat dissipation performance and stable resistance value when in instantaneous high-current conduction.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an isometric view of the present invention.
The reference numerals are: 1-resistor body, 2-contact piece, 3-clamping plate, 4-bellows, 5-cooling base, 6-sleeve, 7-screw assembly.
Detailed Description
The following description of the embodiments of the invention is presented in conjunction with the drawings and examples to provide a better understanding of the invention to those skilled in the art.
Referring to fig. 1, 2 and 3, the phase-change temperature-controlled constant resistor disclosed by the invention comprises a resistor body 1, a contact piece 2, a clamping plate 3, a corrugated pipe 4, a sleeve 6 and a screw assembly 7. The resistor body 1 is fastened and installed through the screw assembly 7 on the upper clamping plate 3 and the lower clamping plate 3, a sleeve 6 is arranged outside the resistor body 1, a corrugated pipe 4 is sleeved outside the sleeve 6, a cooling matrix 5 is arranged in the corrugated pipe 4, the cooling matrix 5 is a phase change material added with heat conducting fillers, a contact piece 2 is arranged on the upper portion of the corrugated pipe 4, and the total height of the corrugated pipe 4 and the contact piece 2 is slightly smaller than the distance between the upper clamping plate 3 and the lower clamping plate 3.
When the resistor body 1 is instantaneously conducted with high current, the resistor body heats up, heat is transferred to the cooling matrix 5 in the corrugated pipe 4 through the sleeve 5 to dissipate heat, so that the resistor body 1 is cooled, and the influence of the temperature on the resistance value of the resistor is reduced; and the cooling matrix 5 is heated and deformed and extrudes the corrugated pipe 4 to deform, when the corrugated pipe 4 deforms to reach a set value, the contact piece 2 is jacked upwards to be contacted with the clamping plate 3 at the upper part, so that a conductive path is formed, which is equivalent to connecting a resistor in parallel with the resistor body 1, and the effect of reducing the resistance is achieved, so that the resistance is constant.
The corrugated pipe 4 is externally provided with the radiating parts with the alternate concave-convex shapes, the undulating shape increases the radiating area, the corrugated pipe 4 is made of stainless steel, the cooling matrix 5 in the corrugated pipe 4 is made of paraffin phase-change material octadecane (C18H 38), and meanwhile, fillers are added to enhance the radiating performance. The paraffin phase-change material has the advantages of proper melting point, large phase-change latent heat and reliable solidification characteristic, small volume change of a phase-change device, low vapor pressure near the melting point, good thermal stability in a large temperature range, no corrosiveness when being contacted with metal, and no supercooling phenomenon. After being heated, the paraffin phase-change material is converted from solid into liquid, and heat is taken away for heat dissipation.
The contact piece 2 is made of copper sheets and welded on the upper part of the corrugated pipe 4.
The resistor body 1 of the invention is provided with threaded holes at two ends for mounting and connecting resistors.
The sleeve 6 is made of rubber, the rubber has certain elasticity, the resistor body and the corrugated pipe can be tightly connected, and meanwhile, heat conduction and electric conduction are not realized.
The clamping plate 3 is made of aluminum alloy plates, plays a role in clamping the resistor body 1, and can reduce weight.
The screw assembly 7 of the present invention employs a plastic screw so that the upper and lower clamping plates 3 cannot conduct current through the screw.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and some practical embodiments, not intended to limit the invention; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present invention.
Claims (9)
1. The utility model provides a phase transition control by temperature change invariable resistance which characterized in that: including resistance body (1), splint (3) and the insulating screw rod sub-assembly (7) of fastening splint (3) of centre gripping in resistance body (1) upper and lower end respectively, resistance body (1) be equipped with sleeve (6) outward, sleeve (6) be equipped with bellows (4) outward, bellows (4) in be equipped with cooling base member (5), cooling base member (5) be the phase change material of adding the heat conduction filler, bellows (4) upper portion be equipped with contact piece (2), the total height of bellows (4) and contact piece (2) is less than the distance between two upper and lower splint (3), extrusion bellows (4) warp when the thermal deformation of cooling base member (5), upwards jack-up contact piece (2) contact with splint (3) on upper portion when bellows (4) warp and reach the setting.
2. The phase-change temperature-controlled constant resistor according to claim 1, wherein the contact piece (2) is a copper piece.
3. A phase-change temperature-controlled constant resistor as claimed in claim 1, characterized in that the contact piece (2) is welded to the bellows (4).
4. The phase-change temperature-controlled constant resistor of claim 1, wherein the phase-change material is octadecane.
5. The phase-change temperature-control constant resistor according to claim 1, wherein the corrugated pipe (4) is provided with heat dissipation parts with alternate concavities and convexities, and is made of stainless steel.
6. The phase-change temperature-control constant resistor according to claim 1, wherein threaded holes are respectively formed at two ends of the resistor body (1).
7. A phase-change temperature-controlled constant resistor as claimed in claim 1, characterized in that the sleeve (6) is made of rubber.
8. A phase-change temperature-controlled constant resistance according to claim 1, wherein said clamping plate (3) is made of aluminum alloy plate.
9. A phase change temperature controlled constant resistance according to claim 1, wherein said screw assembly (7) is a plastic screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210663320.XA CN114999750B (en) | 2022-06-13 | 2022-06-13 | Phase-change type temperature control constant resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210663320.XA CN114999750B (en) | 2022-06-13 | 2022-06-13 | Phase-change type temperature control constant resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114999750A CN114999750A (en) | 2022-09-02 |
| CN114999750B true CN114999750B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210663320.XA Active CN114999750B (en) | 2022-06-13 | 2022-06-13 | Phase-change type temperature control constant resistor |
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| CN (1) | CN114999750B (en) |
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| CN105403787A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | Simulation apparatus for local overheating defect in composite apparatus |
| JP2017063126A (en) * | 2015-09-25 | 2017-03-30 | 三菱マテリアル株式会社 | Manufacturing method for resistor, and resistor |
| CN108520811A (en) * | 2018-03-14 | 2018-09-11 | 成都明杰科技有限公司 | A kind of precision resister reducing resistance varying-ratio |
| CN109671545A (en) * | 2019-01-01 | 2019-04-23 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of phase-change type braking resistor |
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| CN212990814U (en) * | 2020-07-08 | 2021-04-16 | 青岛诚悦电气设备有限公司 | Overvoltage absorption resistor for enhancing heat dissipation |
| CN113572313A (en) * | 2021-09-26 | 2021-10-29 | 江苏联测机电科技股份有限公司 | Adjustable resistance connector for testing output current of generator |
| CN114264182A (en) * | 2021-11-30 | 2022-04-01 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Self-adaptive constant-temperature container |
| CN114334321A (en) * | 2022-01-19 | 2022-04-12 | 深圳市宏远立新电子有限公司 | Impact-resistant chip resistor and manufacturing method thereof |
| CN115128353A (en) * | 2022-06-30 | 2022-09-30 | 武汉市鑫宇环检测技术有限公司 | Test circuit and test method for compensation resistor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7902957B2 (en) * | 2007-04-30 | 2011-03-08 | Rockwell Automation Technologies, Inc. | Phase change cooled electrical resistor |
| US10319501B2 (en) * | 2014-02-27 | 2019-06-11 | Panasonic Intellectual Property Management Co., Ltd. | Chip resistor |
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2022
- 2022-06-13 CN CN202210663320.XA patent/CN114999750B/en active Active
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| CH646552A5 (en) * | 1978-09-05 | 1984-11-30 | Gen Electric | Over voltage protection appliance having a heat transmission device |
| CN1165385A (en) * | 1995-12-16 | 1997-11-19 | 亚瑞亚·勃朗勃威力有限公司 | Power circuit-breaker having closing resistor |
| CN201570334U (en) * | 2009-11-27 | 2010-09-01 | 中国电力科学研究院 | Damping resistance indirect water-cooling device of direct current converter valve |
| CN204010865U (en) * | 2014-08-08 | 2014-12-10 | 南京时恒电子科技有限公司 | A kind of high-power thermal resistor |
| JP2017063126A (en) * | 2015-09-25 | 2017-03-30 | 三菱マテリアル株式会社 | Manufacturing method for resistor, and resistor |
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| CN113572313A (en) * | 2021-09-26 | 2021-10-29 | 江苏联测机电科技股份有限公司 | Adjustable resistance connector for testing output current of generator |
| CN114264182A (en) * | 2021-11-30 | 2022-04-01 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Self-adaptive constant-temperature container |
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| CN114999750A (en) | 2022-09-02 |
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