CN107393667A - A kind of constitutionally stable resistor - Google Patents
A kind of constitutionally stable resistor Download PDFInfo
- Publication number
- CN107393667A CN107393667A CN201710392367.6A CN201710392367A CN107393667A CN 107393667 A CN107393667 A CN 107393667A CN 201710392367 A CN201710392367 A CN 201710392367A CN 107393667 A CN107393667 A CN 107393667A
- Authority
- CN
- China
- Prior art keywords
- conducting ring
- insulator
- resistor
- mica
- boom
- 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.)
- Withdrawn
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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
- H01C1/01—Mounting; Supporting
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Resistors (AREA)
Abstract
A kind of constitutionally stable resistor of the present invention, including polylith resistor disc arranged side by side and the mica boom that polylith resistor disc is stringed together, mica boom string has multiple separators, separator includes the insulator and conducting ring of spaced arrangement, adjacent insulator and conducting ring clamps resistor disc jointly in the axial direction, conducting strip has been connected polylith resistor disc, the both ends of mica boom are provided with locking member and are used to apply separator the clamping force towards axial direction, so as to which resistor disc is clamped, the mutually embedding clamping structure of convex-concave in the axial direction is provided between adjacent insulator and conducting ring, and the mutually embedding part of convex-concave radially mutually pushes against.Compared with prior art, due to being provided with clamping structure between adjacent insulator and conducting ring, effectively conducting ring can radially be carried out vertically spacing, therefore conducting ring radial-play vertically can be prevented during transport or use, ensure that the contact area between different resistor discs and conducting ring is balanced, resistance is stable.
Description
Technical field
The present invention relates to resistor technologies field, and in particular to a kind of constitutionally stable resistor.
Background technology
Crowbar resistors are mainly used in the low voltage crossing technology of wind power generation inverter.It sends out used in wind-force
Rotor side, for bypassing rotor-side converter, when power network occur low-voltage disturbance when, prevent DC bus-bar voltage it is too high and
Rotor current is excessive.In the operating condition, Crowbar resistors instantaneously can dissipate huge energy.Wind energy is as a kind of
The regenerative resource of cleaning, is increasingly paid attention to by countries in the world, and wind electric converter can optimize the fortune of wind generator system
OK, the variable speed constant frequency generator in wide wind speed range is realized, improves fan efficiency and the working condition of chain, reduces generator damage
Consumption, operational efficiency is improved, lift wind energy utilization, wind time-dependent current device adapts to energy because of its excellent control performance and good power network
Power and be widely used.
As shown in figure 1, existing Crowbar resistors generally comprise resistor assembly 1 and two blocks of side plates 2, resistor assembly 1 wraps
Multiple resistor discs 11 arranged side by side and the mica boom 12 for multiple resistor discs 11 to be stringed together are included, the string of mica boom 12 has multiple
Separator 13,14 is used to clamp and separate multiple resistor discs 11, and separator includes being used to make between two neighboring resistor disc 11
The insulator 13 of insulation and for making conducting ring 14 in series or in parallel between adjacent resistor piece 11, the both ends point of mica boom 12
It is not fixed on two side plates 2, the both ends of mica boom 12 are cased with nut 17 and multiple separators 13,14 are applied with the folder towards axial direction
Clamp force, so as to which resistor disc 11 is clamped, nut 17 can also be replaced using other locking members in practice certainly.For the ease of
Conducting ring 14 and insulator 13 fit into mica boom 12, between conducting ring 14 and mica boom 12, insulator 13 and mica boom 12
Between generally gap coordinate.Closer to the middle part of mica boom 12, separator 13,14 is got over by the power towards axial direction of nut 17
It is small, cause in transportation or in use, the insulator 13 and conducting ring 14 close to the middle part of mica boom 12 are easy
Radially play, result in that the contact area of different conducting ring 14 and resistor disc 11 is inconsistent, and resistance is unstable.
The content of the invention
Above-mentioned technical problem be present for prior art, the present invention, which provides one kind, prevents conducting ring radially play, ensures
Contact area is balanced between different conducting rings and resistor disc, the stable constitutionally stable resistor of resistance.
To achieve the above object, the present invention provides following technical scheme：
A kind of constitutionally stable resistor is provided, including polylith resistor disc arranged side by side and mica string that polylith resistor disc is stringed together
Bar, mica boom string have multiple separators, and separator includes the insulator and conducting ring of spaced arrangement, and conducting ring is used for adjacent
Conducting between two pieces of resistor discs, the electric insulation that insulator is used between adjacent two pieces of resistor discs, adjacent insulator and conducting ring
Clamp resistor disc jointly in the axial direction, the both ends of mica boom are provided with locking member and apply axial clamping force to separator so as to electricity
Hinder piece to clamp, be provided with the mutually embedding clamping structure of convex-concave in the axial direction between adjacent insulator and conducting ring, and the insulator with
Conducting ring radially mutually pushes against in the mutually embedding part of convex-concave.
Wherein, the mutually embedding clamping structure of the convex-concave includes the first flange and the first groove for being located at insulator, and is located at
The second flange and the second groove of conducting ring, the first flange of insulator and the second groove of conducting ring are mutually embedding, and the second of conducting ring
First groove of flange and insulator is mutually embedding.
Wherein, the resistor also includes two blocks of side plates, and the both ends of mica boom are separately fixed on two side plates.
Wherein, mica boom includes screw rod and is located at the mica layer of screw surface.
Wherein, locking member is nut.
Beneficial effects of the present invention：
Compared with prior art, a kind of constitutionally stable resistor of the invention, due between adjacent insulator and conducting ring
Clamping structure is provided with, is radially pushed against between the insulator and conducting strip of arbitrary neighborhood so that the insulator and conducting ring of entire row are formed
One entirety, effectively can radially carry out spacing to conducting ring, therefore can prevent from leading during transport or use
Electric ring radial-play vertically, ensures that contact area is balanced between different resistor discs and conducting ring, and resistance is stable.
Brief description of the drawings
Fig. 1 is the stereogram of existing resistor.
Fig. 2 is a kind of side view of constitutionally stable resistor in embodiment.
Fig. 3 is the sectional view in Q-Q sections in Fig. 2.
Fig. 4 is the zoomed-in view at A in Fig. 2.
Reference：
Resistor assembly 1, resistor disc 11, mica boom 12, insulator 13, conducting ring 14, flange 15, groove 16, nut 17；
Side plate 2.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
A kind of constitutionally stable resistor of the present embodiment, as shown in Figures 2 and 3, including it is two blocks of side plates 2, arranged side by side more
Block resistor disc 11 and the mica boom 12 for polylith resistor disc 11 to be stringed together, the both ends of mica boom 12 pass through nut respectively
17 are fixed on two side plates 2.The string of mica boom 12 has the insulator 13 and conducting ring 14 of spaced arrangement, mica boom 12
The nut 17 at both ends apply axial clamping force to insulator 13 and conducting ring 14 so as to which resistor disc is clamped.As shown in figure 4, insulator
13 is identical with the shape of conducting ring 14, and both one ends are equipped with flange 15, and both the other end, which are equipped with, is adapted to the flange
15 groove 16, the engagement groove 16 of flange 15 constitutes radially is carrying out a kind of spacing clamping knot to insulator 13 and conducting ring 14
Structure, multiple resistor discs 11 are sequentially sleeved in the different outsides of flange 15, and adjacent insulator 13 and conducting ring 14 are common in the axial direction
Resistor disc 11 is clamped, conducting strip 14 connect polylith resistor disc 11, because adjacent insulator 13 and conducting ring 14 are to contact,
Embodiment can not realize the parallel connection of resistor disc 11.Certainly the clamping structure in practice between adjacent insulator 13 and conducting ring 14 can
Think other concrete forms, such as projection and through hole, snap fit and neck etc., it is not exhaustive one by one herein, as long as realizing insulator 13
With conducting ring 14 radially mutually spacing.Compared with prior art, the present embodiment is due in adjacent insulator 13 and conduction
The groove 16 and flange 15 being engaged are provided between ring 14, radially between two insulators 13 and conducting strip 14 of arbitrary neighborhood
It is fixed so that the insulator 13 and conducting ring 14 of entire row form an entirety, so the equal energy during transport or use
All conducting rings 14 radial-play vertically is enough prevented, ensures that contact area is equal between different resistor disc 11 and conducting ring 14
Weighing apparatus, resistance are stable.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (5)
1. a kind of constitutionally stable resistor, including polylith resistor disc arranged side by side and mica string that polylith resistor disc is stringed together
Bar, mica boom string have multiple separators, and separator includes the insulator and conducting ring of spaced arrangement, and conducting ring is used for adjacent
Conducting between two pieces of resistor discs, the electric insulation that insulator is used between adjacent two pieces of resistor discs, adjacent insulator and conducting ring
Clamp resistor disc jointly in the axial direction, the both ends of mica boom are provided with locking member and apply axial clamping force to separator so as to electricity
Piece is hindered to clamp, it is characterized in that：The mutually embedding clamping structure of convex-concave in the axial direction is provided between adjacent insulator and conducting ring, and
The insulator radially mutually pushes against with conducting ring in the mutually embedding part of convex-concave.
2. a kind of constitutionally stable resistor according to claim 1, it is characterized in that：The mutually embedding clamping structure of the convex-concave
Including being located at the first flange and the first groove of insulator, and the second flange and the second groove of conducting ring are located at, the of insulator
One flange and the second groove of conducting ring are mutually embedding, and the second flange of conducting ring and the first groove of insulator are mutually embedding.
3. a kind of constitutionally stable resistor according to claim 1, it is characterized in that：The resistor also includes two pieces of sides
Plate, the both ends of mica boom are separately fixed on two side plates.
4. a kind of constitutionally stable resistor according to claim 1, it is characterized in that：Locking member is nut.
5. a kind of constitutionally stable resistor according to claim 1, it is characterized in that：Mica boom includes screw rod and is located at
The mica layer of screw surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392367.6A CN107393667A (en) | 2017-05-27 | 2017-05-27 | A kind of constitutionally stable resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392367.6A CN107393667A (en) | 2017-05-27 | 2017-05-27 | A kind of constitutionally stable resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107393667A true CN107393667A (en) | 2017-11-24 |
Family
ID=60338983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710392367.6A Withdrawn CN107393667A (en) | 2017-05-27 | 2017-05-27 | A kind of constitutionally stable resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107393667A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659105A (en) * | 2018-12-25 | 2019-04-19 | 湖南福德电气有限公司 | Resistance unit and modular high-power resistance comprising the resistance unit |
| CN110085382A (en) * | 2019-03-29 | 2019-08-02 | 广东福德电子有限公司 | A kind of resistor of the embedded assembling of elasticity |
| CN110752075A (en) * | 2019-10-12 | 2020-02-04 | 许继变压器有限公司 | Parallel line selection middle resistor |
| CN112567485A (en) * | 2018-08-17 | 2021-03-26 | Ls电气株式会社 | Module type current limiting resistor |
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|---|---|---|---|---|
| CN202058525U (en) * | 2011-03-28 | 2011-11-30 | 宁波市鄞州中久电子有限公司 | Wind power braking resistor |
| CN102412042A (en) * | 2011-06-15 | 2012-04-11 | 王爱民 | Resistor |
| CN102800451A (en) * | 2012-09-03 | 2012-11-28 | 湘潭电机股份有限公司 | Resistor box for urban rail transit vehicle |
| US20130328660A1 (en) * | 2010-12-03 | 2013-12-12 | Vishay Electronic Gmbh | Electrical power resistor |
| CN104008843A (en) * | 2013-12-25 | 2014-08-27 | 广西鱼峰集团水泥有限公司 | Production method of resistor |
| CN106373683A (en) * | 2016-11-02 | 2017-02-01 | 广东福德电子有限公司 | Resistor with good insulating property |
| CN207021064U (en) * | 2017-05-27 | 2018-02-16 | 广东福德电子有限公司 | A kind of constitutionally stable resistor |
-
2017
- 2017-05-27 CN CN201710392367.6A patent/CN107393667A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130328660A1 (en) * | 2010-12-03 | 2013-12-12 | Vishay Electronic Gmbh | Electrical power resistor |
| CN202058525U (en) * | 2011-03-28 | 2011-11-30 | 宁波市鄞州中久电子有限公司 | Wind power braking resistor |
| CN102412042A (en) * | 2011-06-15 | 2012-04-11 | 王爱民 | Resistor |
| CN102800451A (en) * | 2012-09-03 | 2012-11-28 | 湘潭电机股份有限公司 | Resistor box for urban rail transit vehicle |
| CN104008843A (en) * | 2013-12-25 | 2014-08-27 | 广西鱼峰集团水泥有限公司 | Production method of resistor |
| CN106373683A (en) * | 2016-11-02 | 2017-02-01 | 广东福德电子有限公司 | Resistor with good insulating property |
| CN207021064U (en) * | 2017-05-27 | 2018-02-16 | 广东福德电子有限公司 | A kind of constitutionally stable resistor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112567485A (en) * | 2018-08-17 | 2021-03-26 | Ls电气株式会社 | Module type current limiting resistor |
| EP3839984A4 (en) * | 2018-08-17 | 2022-02-09 | Ls Electric Co., Ltd. | Modular current limiting resistor |
| US11355268B2 (en) | 2018-08-17 | 2022-06-07 | Ls Electric Co., Ltd. | Modular current limiting resistor |
| CN109659105A (en) * | 2018-12-25 | 2019-04-19 | 湖南福德电气有限公司 | Resistance unit and modular high-power resistance comprising the resistance unit |
| CN110085382A (en) * | 2019-03-29 | 2019-08-02 | 广东福德电子有限公司 | A kind of resistor of the embedded assembling of elasticity |
| CN110752075A (en) * | 2019-10-12 | 2020-02-04 | 许继变压器有限公司 | Parallel line selection middle resistor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20171124 |