CN203871098U - Water-cooled resistor - Google Patents
Water-cooled resistor Download PDFInfo
- Publication number
- CN203871098U CN203871098U CN201420224565.3U CN201420224565U CN203871098U CN 203871098 U CN203871098 U CN 203871098U CN 201420224565 U CN201420224565 U CN 201420224565U CN 203871098 U CN203871098 U CN 203871098U
- Authority
- CN
- China
- Prior art keywords
- water
- hollow pipe
- resistor
- cooled
- resistance
- 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.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 239000000498 cooling water Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007257 malfunction Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Details Of Resistors (AREA)
Abstract
The utility model relates to a water-cooled resistor. The water-cooled resistor comprises a barrel-shaped housing, wherein a chamber is formed in the barrel-shaped housing. The water-cooled resistor further comprises N groups of resistors arranged inside the chamber and a mounting plate used for fixing the resistors and arranged at the tail part of the barrel-shaped housing, wherein N is a natural number; a water inlet communicated with the chamber of the barrel-shaped housing in a conducting manner is formed in the end part of the barrel-shaped housing; a water outlet communicated with the chamber of the barrel-shaped housing in a conducting manner is formed in the mounting plate. According to the utility model, compared with the prior art, the mode of execution has the characteristics of small size and inductance value and low cooling water; in addition, when a single resistor malfunctions, the normal use of other resistors in the whole system cannot be influenced; the replacement and the maintenance are convenient, and the utilization requirements for HVDC (High Voltage Direct Current) power transmission or UHVDC (Ultra High Voltage Direct Current) power transmission systems can be met.
Description
Technical field
The utility model relates to a kind of resistance, particularly a kind of water-cooled resistance.
Background technology
In super high voltage direct current electricity transmission HVDC or extra-high voltage DC transmission system UHVDC, the harmonic wave that the change of current produces is larger to transmission of electricity quality influence, for eliminating these harmonic effects, generally at current conversion station, needs installing filter, the important component part that filter resistance is filter.Because resistor power is larger, the heat radiation of resistance is most important.And domestic, international traditional resistance water cooling form is generally fluid container type and internal passage type Cooling Design at present.Its shortcoming of fluid container type is: volume is large, and cooling water system is had relatively high expectations, and uses for a long time and cause liquid conduction rate to improve, once indivedual Resistance Fault, whole system is damaged, and maintenance difficulty and cost are higher.Internal passage type Cooling Design, generally adopts the design of Wound-rotor type electric resistance structure, and its shortcoming is: inductance value is larger, is not suitable for using in super high voltage direct current electricity transmission HVDC or extra-high voltage DC transmission system UHVDC.
Utility model content
The purpose of this utility model is to provide a kind of water-cooled resistance, can in super high voltage direct current electricity transmission HVDC or extra-high voltage DC transmission system UHVDC, use, and have that volume is little, inductance value is little, the characteristic of low cooling water.
To achieve these goals, the utility model has designed a kind of water-cooled resistance, comprises tubbiness shell, in described tubbiness shell, has cavity;
Described water-cooled resistance also comprises the N group resistor being arranged in described cavity, and wherein said N is natural number;
The end of described tubbiness shell has a water inlet with described cavity conducting;
Described water-cooled resistance also comprises, and is arranged on described tubbiness shell afterbody for the mounting panel of fixing described resistor, offers the delivery port with described cavity conducting on described mounting panel.
Execution mode of the present utility model in terms of existing technologies, have that volume is little, inductance value is little, the characteristic of low cooling water, and when single resistor fault, do not affect the normal use of other resistance in whole system, repair and replacement are convenient, make it meet the user demand of super high voltage direct current electricity transmission HVDC or extra-high voltage DC transmission system UHVDC.
Further, described resistor packages containing hollow pipe, be arranged on the resistance material in described hollow pipe and be arranged on the binding post at described hollow pipe two ends; Wherein, described binding post is connected with the resistance material in described hollow pipe; Wherein, the binding post that is positioned at described hollow pipe afterbody passes described tubbiness shell afterbody and is fixed by described mounting panel.The cylindrical of described binding post is also equidistantly arranged with M group ring and fills lonely groove, and wherein said M is natural number.Because the cylindrical at binding post is also equidistantly arranged with ring dress arc groove, by ring, filling arc groove can increase the creepage than distance of resistance under the prerequisite that does not increase resistor length, thereby has effectively controlled the volume of whole resistor.
Further, described resistor also comprises the powdery magnesium oxide being filled in described hollow pipe, and described powdery magnesium oxide all fills up formed gap between described resistance material and described hollow pipe.
In addition, in order to meet the demand in market, described resistance material can adopt filament or banded structure.User can select according to actual user demand.
Further, between described hollow pipe and described binding post, adopt welding or bonding.
Further, the cylindrical of described hollow pipe is also provided with ring youngster.By ring youngster, can facilitate the installation of whole resistor and fix.
Further, described hollow pipe is stainless steel tube.Thereby effectively reduce the oxidation of whole resistance, make it have longer useful life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water-cooled resistance of the utility model the first execution mode;
Fig. 2 is the cut-away view of the water-cooled resistance of the utility model the first execution mode.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, each execution mode of the present utility model is explained in detail.Yet, persons of ordinary skill in the art may appreciate that in each execution mode of the utility model, in order to make reader understand the application better, many ins and outs have been proposed.But, even without these ins and outs and the many variations based on following execution mode and modification, also can realize each claim of the application technical scheme required for protection.
The first execution mode of the present utility model relates to a kind of water-cooled resistance, as depicted in figs. 1 and 2, comprises in tubbiness shell 20, described tubbiness shell 20 and has cavity.The water-cooled resistance of present embodiment also comprises the many groups resistor 10 being arranged in tubbiness shell 20 cavitys, and wherein, in the present embodiment, tubbiness shell 20 is interior is provided with two groups of resistors 10 altogether.And, in the end of tubbiness shell 20, also offer with tubbiness shell 20 cavitys and be communicated with water inlet 22.
The water-cooled resistance of present embodiment also comprises, and is arranged on tubbiness shell 20 afterbodys for the mounting panel 40 of fixed resistor 10, offers the delivery port 41 with the 20 cavity conductings of tubbiness shell on this mounting panel 40.It should be noted that, on mounting panel 40, also offer screw 42, by screw 42 attachment screws, be fixed and be connected with the afterbody of tubbiness shell 20.
As shown in the above, the water-cooled resistance of present embodiment has that volume is little, inductance value is little, the characteristic of low cooling water, and when single resistor fault, do not affect the normal use of other resistance in whole system, repair and replacement are convenient, make it meet the user demand of super high voltage direct current electricity transmission HVDC or extra-high voltage DC transmission system UHVDC.
Specifically, in the present embodiment, resistor 10 comprises hollow pipe 15, is arranged on the resistance material 13 in hollow pipe 15, the binding post 11 that is arranged on hollow pipe 15 two ends and binding post 12.Wherein, binding post 11 is connected with the resistance material 13 in hollow pipe 15 with binding post 12.
Wherein, the binding post 11 that is positioned at hollow pipe afterbody passes the afterbody of tubbiness shell 20 and is fixed by mounting panel 40.And, it is worth mentioning that, on binding post, also equidistant arrangement organized ring dress arc grooves (not indicating in figure) more.And in the present embodiment, eight groups of the quantity of each binding post pressed on ring dress arc groove.Because the cylindrical at binding post is also equidistantly arranged with ring dress arc groove, by ring, filling arc groove can increase the creepage than distance of resistance under the prerequisite that does not increase resistor length, thereby has effectively controlled the volume of whole resistor.
In addition, above-mentioned mentioned resistor 10 also comprises: be filled in the powdery magnesium oxide 14 in hollow pipe 15, wherein, powdery magnesium oxide 14 all fills up formed gap between resistance material 13 and hollow pipe 15.
And in order to meet the demand in market, resistance material 13 can adopt filament or banded structure.User can select according to actual user demand.In addition, manufacturer also can be according to actual need of production, can select the assembly technology of welding or bonding between hollow pipe 15 and binding post 11 and binding post 12.
In addition, be worth mentioning time, ring youngster (in figure do not indicate) is also installed on the cylindrical of hollow pipe 15.And during the particular location of this ring, be positioned at the end of hollow pipe 15.By ring youngster, can facilitate the installation of whole resistor and fixing, thereby increase the practicality of whole resistor.
From foregoing, we are not difficult to find, in order to guarantee that whole resistor is not perishable and to be oxidized, hollow pipe 2 can adopt stainless steel to make, and becomes stainless steel tube.To guarantee that whole resistor has longer useful life.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiment of the utility model, and in actual applications, can to it, do various changes in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (8)
1. a water-cooled resistance, is characterized in that: comprise tubbiness shell, in described tubbiness shell, have cavity;
Described water-cooled resistance also comprises the N group resistor being arranged in described cavity, and wherein said N is natural number;
The end of described tubbiness shell has a water inlet with described cavity conducting;
Described water-cooled resistance also comprises, and is arranged on described tubbiness shell afterbody for the mounting panel of fixing described resistor, offers the delivery port with described cavity conducting on described mounting panel.
2. water-cooled resistance according to claim 1, is characterized in that: described resistor packages containing hollow pipe, be arranged on the resistance material in described hollow pipe and be arranged on the binding post at described hollow pipe two ends;
Wherein, described binding post is connected with the resistance material in described hollow pipe; Wherein, the binding post that is positioned at described hollow pipe afterbody passes the afterbody of described tubbiness shell and is fixed by described mounting panel.
3. water-cooled resistance according to claim 2, is characterized in that: the cylindrical of described binding post is also equidistantly arranged with M group ring dress arc groove, and wherein said M is natural number.
4. water-cooled resistance according to claim 2, is characterized in that: described resistor also comprises the powdery magnesium oxide being filled in described hollow pipe, and described powdery magnesium oxide all fills up formed gap between described resistance material and described hollow pipe.
5. water-cooled resistance according to claim 2, is characterized in that: described resistance material is filament or banded structure.
6. water-cooled resistance according to claim 2, is characterized in that: between described hollow pipe and described binding post, adopt welding or bonding.
7. water-cooled resistance according to claim 2, is characterized in that: the cylindrical of described hollow pipe is also provided with ring youngster.
8. according to the resistor described in any one in claim 2 to 7, it is characterized in that: described hollow pipe is stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224565.3U CN203871098U (en) | 2014-05-04 | 2014-05-04 | Water-cooled resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224565.3U CN203871098U (en) | 2014-05-04 | 2014-05-04 | Water-cooled resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871098U true CN203871098U (en) | 2014-10-08 |
Family
ID=51652023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224565.3U Expired - Lifetime CN203871098U (en) | 2014-05-04 | 2014-05-04 | Water-cooled resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871098U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047334A (en) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | Water-cooled resistor for heavy current test of superconducting power device |
| CN105741991A (en) * | 2016-03-30 | 2016-07-06 | 湖南中车特种电气装备有限公司 | Water-cooling resistance device for frequency conversion system |
| CN108172353A (en) * | 2017-12-31 | 2018-06-15 | 桐城市湃腾机械设计有限公司 | A kind of Novel resistor |
| CN109623183A (en) * | 2018-12-26 | 2019-04-16 | 广东福德电子有限公司 | A kind of pipe plate welding method of metal tube water-cooled resistor |
-
2014
- 2014-05-04 CN CN201420224565.3U patent/CN203871098U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047334A (en) * | 2015-07-17 | 2015-11-11 | 中国科学院电工研究所 | Water-cooled resistor for heavy current test of superconducting power device |
| CN105047334B (en) * | 2015-07-17 | 2017-11-10 | 中国科学院电工研究所 | Superconducting power device cranking test water-cooled resistance |
| CN105741991A (en) * | 2016-03-30 | 2016-07-06 | 湖南中车特种电气装备有限公司 | Water-cooling resistance device for frequency conversion system |
| CN108172353A (en) * | 2017-12-31 | 2018-06-15 | 桐城市湃腾机械设计有限公司 | A kind of Novel resistor |
| CN109623183A (en) * | 2018-12-26 | 2019-04-16 | 广东福德电子有限公司 | A kind of pipe plate welding method of metal tube water-cooled resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |