CN105702400A - Direct current component resistor applicable to large current limiting - Google Patents
Direct current component resistor applicable to large current limiting Download PDFInfo
- Publication number
- CN105702400A CN105702400A CN201610197945.6A CN201610197945A CN105702400A CN 105702400 A CN105702400 A CN 105702400A CN 201610197945 A CN201610197945 A CN 201610197945A CN 105702400 A CN105702400 A CN 105702400A
- Authority
- CN
- China
- Prior art keywords
- resistor
- bedding
- resistor disc
- jet
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012212 insulator Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 10
- 210000003141 lower extremity Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 230000005520 electrodynamics Effects 0.000 abstract 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/084—Cooling, heating or ventilating arrangements using self-cooling, e.g. fins, heat sinks
Abstract
The invention relates to the technical field of resistors, and especially relates to a direct current component resistor applicable to large current limiting. The direct current component resistor comprises a resistor, a mounting lateral plate and a supporting insulator, wherein the resistor is fixedly installed by the mounting lateral plate; the supporting insulator is arranged at the bottom part of the mounting lateral plate; the resistor is composed of three completely same resistor elements, and each resistor element is composed of a plurality of resistor discs adopting a parallel or series circuit; the plurality of resistor discs are connected in series to form an overall module by adopting a string bar, and each module is connected in series or in parallel at random; the resistor discs are nickel-chromium alloy resistor discs; a single chip parallel circuit design is adopted for the resistor discs, the current density of the resistor discs is small, and the electro-dynamic impact under large current can be withstood.
Description
Technical field
The present invention relates to resistor technologies field, especially relate to a kind of suitable in big electric current direct-current component limiting resistor。
Background technology
Existing resistor, its resistor disc corner, electric current density is big, is easily caused resistor disc and melts, resistor life is had a significant impact。Therefore, it is short to there is the life-span in existing resistor, the yielding shortcoming of resistor disc。
Summary of the invention
The technical problem to be solved in the present invention is to provide one and is applicable to big electric current direct-current component limiting resistor, and its resistor disc electric current density is little, can bear electric power under big electric current and impact。
The present invention adopts following technological means to realize goal of the invention。
A kind of suitable in big electric current direct-current component limiting resistor, it includes resistor, installs side plate and support insulator, installs side plate and fixedly mounts described resistor, and support insulator is arranged at the bottom installing side plate；Described resistor is made up of three identical resistive elements, and each resistive element forms by the resistor disc in some employings loop in parallel or series, and described some resistor discs adopt boom to compose in series an integral module, any connection in series-parallel between each module；Described resistor disc is nichrome resistor disc；Described resistor disc adopts monolithic parallel loop design, described monolithic parallel loop design is provided with upper and lower jet-bedding and middle jet-bedding particularly as follows: the horizontal resistor disc put is spaced apart successively from left to right, described upper and lower jet-bedding is the jet-bedding offered toward resistor disc from the resistor disc top edge laterally put and lower limb, described middle jet-bedding is the jet-bedding offered inside the resistor disc laterally put, and described upper and lower jet-bedding is all vertical with the resistor disc top edge laterally put and lower limb with middle jet-bedding；The groove end corner of described upper and lower jet-bedding and middle jet-bedding adopts oval structure。
Further, it also includes insulation Muscovitum, adopts insulation Muscovitum isolation between resistor disc and the resistor disc of described resistive element。
Further, described installation side plate offers louvre。
Present invention have the beneficial effect that one of the present invention is applicable to big electric current direct-current component limiting resistor, its resistor disc electric current density is little, can bear electric power under big electric current and impact。
Accompanying drawing explanation
Fig. 1 is the front view of the present invention。
Fig. 2 is the left view of the present invention。
Fig. 3 is the resistor disc of present invention structural representation when laterally putting。
Detailed description of the invention
The invention provides a kind of suitable in big electric current direct-current component limiting resistor, below in conjunction with accompanying drawing, the present invention is described in detail。
As described in Fig. 1 ~ Fig. 3, one of the present invention is applicable to big electric current direct-current component limiting resistor, it includes resistor, installation side plate 6, insulation Muscovitum 5 and support insulator 4, installs side plate 6 and fixedly mounts described resistor, and support insulator 4 is arranged at the bottom installing side plate 6；Described resistor is made up of three identical resistive elements 1, each resistive element 1 adopts the resistor disc 3 in loop in parallel or series to form by some Current calculations, described some resistor discs 3 adopt boom to compose in series an integral module, any connection in series-parallel, flexible Application between each module；Described resistor disc 3 is nichrome resistor disc；Described resistor disc 3 adopts monolithic parallel loop design, described monolithic parallel loop design is provided with upper and lower jet-bedding 30 and middle jet-bedding 31 particularly as follows: the horizontal resistor disc 3 put is spaced apart successively from left to right, described upper and lower jet-bedding 30 is the jet-bedding offered toward resistor disc 3 inside from resistor disc 3 top edge laterally put and lower limb, described middle jet-bedding 31 is the jet-bedding offered inside the resistor disc 3 laterally put, and described upper and lower jet-bedding 30 is all vertical with resistor disc 3 top edge laterally put and lower limb with middle jet-bedding 31；The groove end corner of described upper and lower jet-bedding 30 and middle jet-bedding 31 adopts oval structure 32, it is possible to decrease electric current density, it is prevented that big heating effect of current and cause that resistor disc 3 melts。Insulation Muscovitum 5 is adopted to isolate between resistor disc 3 and the resistor disc 3 of described resistive element 1, owing to big electric current produces under electric power impact, between resistor disc 3 and resistor disc 3, easy temperature is too high causes deformation, insulation Muscovitum 5 prevents adhesive, it is beneficial to resistor to reach to bear heavy current impact, simultaneously Muscovitum can absorption portion heat, significantly lower resistor temperature, good insulation preformance。Described installation side plate 6 offers louvre, increases cross-ventilation heat radiation, greatly reduces the heat radiation between resistor disc 3 and resistor disc 3, reduces the surface temperature of whole resistor。Preferably, as shown in Figure 3, it is positioned at jet-bedding 30 up and down in resistor disc 3 centre position laterally put, big hole is offered in top edge and the lower edge near resistor disc 3, each resistor disc 3 concatenation, through this big hole of multiple resistor discs 3, can be an integral module by described boom, and big hole also acts as the effect reducing electric current density, it addition, boom and resistor disc 3 contact position are provided with insulation sleeve。
In sum, one of the present invention be applicable to big electric current direct-current component limiting resistor have the advantage that one, compact conformation, volumetric spaces is little, good insulation electrical performance；Two, resistor disc 3 electric current density is little, can bear electric power under big electric current and impact；Three, can bearing how many impacts, good heat dissipation effect continuously, temperature is low。
The above is only the better embodiment of the present invention, therefore all equivalences done according to the structure described in present patent application scope, feature and principle change or modify, and are all included within the scope of present patent application。
Claims (3)
1. one kind is applicable to big electric current direct-current component limiting resistor, it is characterized in that: it includes resistor, installs side plate (6) and support insulator (4), installing side plate (6) and fixedly mount described resistor, support insulator (4) is arranged at the bottom installing side plate (6)；Described resistor is made up of three identical resistive elements (1), each resistive element (1) forms by the resistor disc (3) in some employings loop in parallel or series, described some resistor discs (3) adopt boom to compose in series an integral module, any connection in series-parallel between each module；Described resistor disc (3) is nichrome resistor disc；
Described resistor disc (3) adopts monolithic parallel loop design, described monolithic parallel loop design is provided with upper and lower jet-bedding (30) and middle jet-bedding (31) particularly as follows: the horizontal resistor disc (3) put is spaced apart successively from left to right, described upper and lower jet-bedding (30) is the jet-bedding offered toward resistor disc (3) inside from resistor disc (3) top edge laterally put and lower limb, described middle jet-bedding (31) is at the internal jet-bedding offered of the resistor disc (3) laterally put, described upper and lower jet-bedding (30) is all vertical with resistor disc (3) top edge laterally put and lower limb with middle jet-bedding (31)；The groove end corner of described upper and lower jet-bedding (30) and middle jet-bedding (31) adopts oval structure (32)。
2. one according to claim 1 is applicable to big electric current direct-current component limiting resistor, it is characterized in that: further comprising insulation Muscovitum (5), adopts insulation Muscovitum (5) isolation between resistor disc (3) and the resistor disc (3) of described resistive element (1)。
3. one according to claim 2 is applicable to big electric current direct-current component limiting resistor, it is characterized in that: described installation side plate (6) offers louvre。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197945.6A CN105702400B (en) | 2016-03-31 | 2016-03-31 | One kind is suitable for high current direct-current component limiting resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197945.6A CN105702400B (en) | 2016-03-31 | 2016-03-31 | One kind is suitable for high current direct-current component limiting resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105702400A true CN105702400A (en) | 2016-06-22 |
| CN105702400B CN105702400B (en) | 2018-07-03 |
Family
ID=56218179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197945.6A Active CN105702400B (en) | 2016-03-31 | 2016-03-31 | One kind is suitable for high current direct-current component limiting resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702400B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314283A (en) * | 2021-07-01 | 2021-08-27 | 浙江日新电气有限公司 | Direct-current magnetic bias suppression device and heat dissipation method for high-voltage direct-current power transmission system |
| CN114334318A (en) * | 2021-12-03 | 2022-04-12 | 广东福德电子有限公司 | Resistor resistant to large current |
| CN114334314A (en) * | 2021-12-06 | 2022-04-12 | 广东福德电子有限公司 | Sandwich type resistor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0307372A2 (en) * | 1987-09-11 | 1989-03-15 | Telema S.P.A. | Electric power resistor |
| EP0622813A1 (en) * | 1993-04-30 | 1994-11-02 | Gec Alsthom Transport Sa | Resistive element for power resistor |
| CN101399099A (en) * | 2007-09-25 | 2009-04-01 | 杰克陈 | Fan speed adjusting resistance |
| CN202307393U (en) * | 2011-06-29 | 2012-07-04 | 武汉市迈斯特电气有限公司 | High-power grid-type resistor |
| CN203397805U (en) * | 2013-08-18 | 2014-01-15 | 上海久能机电制造有限公司 | Resistor |
| CN204441704U (en) * | 2015-01-30 | 2015-07-01 | 广东福德电子有限公司 | Direct-current component limiting resistor in a kind of high voltage test |
| CN205656927U (en) * | 2016-03-31 | 2016-10-19 | 湖南福德电气有限公司 | Be applicable to big current limit dc component resistor |
-
2016
- 2016-03-31 CN CN201610197945.6A patent/CN105702400B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0307372A2 (en) * | 1987-09-11 | 1989-03-15 | Telema S.P.A. | Electric power resistor |
| EP0622813A1 (en) * | 1993-04-30 | 1994-11-02 | Gec Alsthom Transport Sa | Resistive element for power resistor |
| CN101399099A (en) * | 2007-09-25 | 2009-04-01 | 杰克陈 | Fan speed adjusting resistance |
| CN202307393U (en) * | 2011-06-29 | 2012-07-04 | 武汉市迈斯特电气有限公司 | High-power grid-type resistor |
| CN203397805U (en) * | 2013-08-18 | 2014-01-15 | 上海久能机电制造有限公司 | Resistor |
| CN204441704U (en) * | 2015-01-30 | 2015-07-01 | 广东福德电子有限公司 | Direct-current component limiting resistor in a kind of high voltage test |
| CN205656927U (en) * | 2016-03-31 | 2016-10-19 | 湖南福德电气有限公司 | Be applicable to big current limit dc component resistor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314283A (en) * | 2021-07-01 | 2021-08-27 | 浙江日新电气有限公司 | Direct-current magnetic bias suppression device and heat dissipation method for high-voltage direct-current power transmission system |
| CN113314283B (en) * | 2021-07-01 | 2021-12-07 | 浙江日新电气有限公司 | Direct-current magnetic bias suppression device and heat dissipation method for high-voltage direct-current power transmission system |
| CN114334318A (en) * | 2021-12-03 | 2022-04-12 | 广东福德电子有限公司 | Resistor resistant to large current |
| WO2023097753A1 (en) * | 2021-12-03 | 2023-06-08 | 广东福德电子有限公司 | Anti-high current resistor |
| CN114334314A (en) * | 2021-12-06 | 2022-04-12 | 广东福德电子有限公司 | Sandwich type resistor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105702400B (en) | 2018-07-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 invention: A high current limiting DC component resistor Effective date of registration: 20200903 Granted publication date: 20180703 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: GUANGDONG FULLDE ELECTRONICS Co.,Ltd. Registration number: Y2020440000242 |
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| 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: 20180703 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: GUANGDONG FULLDE ELECTRONICS Co.,Ltd. Registration number: Y2020440000242 |