CN2207624Y - Large current water cooling coaxial cable - Google Patents
Large current water cooling coaxial cable Download PDFInfo
- Publication number
- CN2207624Y CN2207624Y CN 94241946 CN94241946U CN2207624Y CN 2207624 Y CN2207624 Y CN 2207624Y CN 94241946 CN94241946 CN 94241946 CN 94241946 U CN94241946 U CN 94241946U CN 2207624 Y CN2207624 Y CN 2207624Y
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- CN
- China
- Prior art keywords
- copper conductor
- internal layer
- layer copper
- coaxial cable
- insulating sleeve
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- 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 - Fee Related
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Abstract
The utility model relates to a large current water cooling coaxial cable, which is served as a soft connecting wire between an electric furnace and a power supply equipment, and belonging to the technical field of a basic electric element. The utility model is characterized in that the inner of an outer sleeve pipe (1) is provided with an internal layer copper wire (2) and an external layer copper wire (3), and an insulating bushing pipe (4) is arranged between the internal layer copper wire (2) and the external layer copper wires (3). The wires for transmitting the positive and negative current are arranged in the same outer sleeve pipe (1), and the insulating bushing pipe (4) divides the large current water cooling coaxial cable into two water cooling areas; thus, the large current can be ensured to be transmitted normally, the inductive voltage drop caused by using multiple cables can be eliminated, and the electric power loss can be reduced, and the utility model is convenient for installation and use on-site.
Description
A kind of big electric current water-cooled coaxial cable, the soft lead that is connected as between electric furnace and the power-supply device belongs to the essential electronic element field.
At present the three-phase main-frequency electricity on the industrial electrical network is transformed into voltage, frequency meets the single-phase electricity that electric furnace requires, power to the inductor of electric furnace then, one section soft lead is just arranged between power supply and inductor, as circuit loop, an electric current inlet wire and an electric current outlet need be arranged, when needs transmit big electric current, then need many inlet wires and Duo Gen to go out line parallel.Because current in wire density is big, in order to prevent that lead is overheated and burn out, flexible conductor generally adopts water-cooled, Fig. 1 is single copper conductor construction of cable figure, outer tube (1) is arranged outside copper conductor (2), gapped between copper conductor (2) and the outer tube (1), guarantee that cooling water is unimpeded.Fig. 2 is many copper conductor construction of cable figure, and copper conductor (2) is arranged in core frame (5) outer ring, and copper conductor (2) is outer to have outer tube (1) to encase, and cooling water is by the inside and outside circle cooling copper conductor (2) of core frame (5).
The disadvantages of background technology part is:
1, sub-thread copper conductor cable can produce kelvin effect, and the centre of heavy in section solid conductor can not be utilized effectively;
2, flexible conductor as circuit when line loop is arranged, transmit between two (or many) leads of positive and negative electric current certain spacing is arranged, the alternating magnetic field that the direction that they are produced separately is opposite can not be offset fully, cause and produce perceptual voltage drop on the lead, under the situation big when current strength, that frequency is high or lead is long, the perception pressure drop is more serious, and regular meeting selects improper owing to lead or arranges the improper electric furnace cisco unity malfunction that makes;
3, near the ferromagnetic material the positive and negative ampere wires of transmission can generate heat because of electromagnetic induction, thereby has increased the electrical piano power loss of equipment.
The purpose of this utility model is to avoid the weak point of above-mentioned background technology and a kind of big electric current water-cooled coaxial cable is provided, and makes and does not produce perceptual pressure drop between the cable, and near the ferromagnetic material the cable can not produce induction heating phenomenon yet, reduces electrical piano power loss.
The purpose of this utility model can reach by following measure: internal layer copper conductor (2), outer copper conductor (3) are arranged in outer tube (1), between internal layer copper conductor (2) and the outer copper conductor (3) insulating sleeve (4) is arranged.
Big electric current water-cooled coaxial cable is to utilize 180 ° of principles of cancelling each other in magnetic field that phase difference produces of positive and negative electric current, will transmit the conductor arrangement of positive and negative electric current in an outer tube (1).
Fig. 3 is that the internal layer copper conductor is single coaxial cable structure figure, internal layer copper conductor (2) is single, many outer copper conductors (3) are distributed on internal layer copper conductor (2) on every side, insulating sleeve (4) is arranged outside internal layer copper conductor (2), (6) are at interval arranged between insulating sleeve (4) and the internal layer copper conductor (2), (6 ') are at interval arranged between insulating sleeve (4) and the outer tube (1).Outer copper conductor (3) is distributed between insulating sleeve (4) and the outer tube (1), outer copper conductor (3) is that the copper stranded conductor of φ 6-φ 10mm is formed by diameter, single internal layer copper conductor is a copper stranded conductor, its sectional area is basic identical with the gross area of many outer copper conductors, the material of outer tube (1) is natural rubber or neoprene, thickness is 10～15mm, the material of insulating sleeve (4) is natural rubber or neoprene, thickness 5～10mm, spacing is 2～4mm between insulating sleeve (4) and the single internal layer copper conductor, insulating sleeve (4) is 8～12mm with the spacing of outer tube (1), insulating sleeve (4) is separated into two zones with big electric current water-cooled coaxial cable, in making, outer layer conductor is respectively by the cooling of separately current, thereby guarantees in the unimpeded abundant cooling of cooling water, outer copper conductor.Cooling water pressure is 2.5～4Kg.
Fig. 4 is that the internal layer copper conductor is many coaxial cable structure figure, many internal layer copper conductors (2) evenly are spaced at core frame (5) on every side with many outer copper conductors (3), insulating sleeve (4) is at interval between internal layer copper conductor (2), outer copper conductor (3), in the interval (6) of internal layer copper conductor (2) between insulating case (4) and core frame (5), in the interval (6 ') of outer copper conductor between insulating sleeve (4) and outer tube (1).Core frame (5) material is a rubber, is the series connection shell of column, and the post height is 80～50mm, and the effect of core frame is to support inner conductor, thereby the ectonexine lead is remained on certain relative position.Internal layer copper conductor (2) is identical with outer copper conductor (3) structure, is the naked copper soft whipping wire, and sectional area is 25～240mm
2, radical is 8～16, internal layer copper conductor (2) is equal to outer copper conductor quantity, guarantees the transmission of positive and negative electric current.Insulating sleeve (4) places the internal layer copper conductor at interval in (6), with in outer copper conductor places at interval (6 '), and (6) and interval (6 ') water-cooled separately at interval.3～10 meters of water-cooled coaxial cable length.
Characteristics of the present utility model are to transmit the conductor arrangement of positive and negative electric current in same sleeve pipe.
The single copper conductor construction of cable of Fig. 1 figure
The many copper conductor constructions of cable of Fig. 2 figure
Fig. 3 internal layer copper conductor is single coaxial cable structure figure
Fig. 4 internal layer copper conductor is many coaxial cable structure figure
Fig. 5 coaxial cable scheme of installation
Below in conjunction with embodiment the utility model is further set forth:
1, the big electric current water-cooled coaxial cable that is used for 5 tons of power frequency induction furnaces, adopting the internal layer copper conductor is many coaxial cable, length is 4 meters, operating voltage≤2000V, power frequency≤1000 hertz, the cable current capacity is 12～14KA, is 240mm with 10 cross sections
2Bare copper stranded wire, inside and outside layer copper conductor is evenly arranged in outside the core frame at interval, inside and outside layer copper conductor separated by insulating sleeve, and the insulating sleeve material is a natural rubber, thickness 8mm, core frame material is a rubber, be a hollow ring, external diameter is 62mm, is spaced apart 40mm between outer tube and the core frame external diameter, the outer tube material is the thick canvas filler rubber pipe of 14mm, and external diameter is 110mm.Fig. 5 is the coaxial cable scheme of installation, its installation process is as follows: 10 inner conductors that will be distributed in the core frame peripheral compress with the end connector (7) of cold weld method with an inside conductor and a termination, 10 inner conductors are twisted into twist shape, be attached to the core frame peripheral tightly, the other end of inner conductor and another end connector (7) compress, put insulated tube (4), and make its two ends water-stop, in the groove of outer conductor arrangement outside insulated tube (4), this groove is to form on every side owing to insulating sleeve (4) is close to the inner conductor that is twisted shape, put outer tube then, compress with end connector (7 ') respectively with the two ends of cold weld method outer conductor, the two ends that prefabricated Y shape rubber tube is inserted in coaxial cable, drawing the internal layer copper conductor respectively by the prong of Y shape rubber tube is connected with end connector (7) (7 ') with outer copper conductor, outside the internal layer copper conductor, be with insulating sleeve (4), three mouths of Y shape rubber tube respectively with outer tube, insulating sleeve (4), outer conductor wire end joint engages, thereby guaranteed that the unimpeded separately of inside and outside cooling water flows, two end connectors (7) (7 ') respectively with just, the counter current loop is connected, and has guaranteed the transmission of big electric current.
2, the big electric current water-cooled coaxial cable that is used for the 150Kg intermediate frequency furnace, adopting the internal layer copper conductor is single coaxial cable, 3 meters of length, work electricity≤750V, power frequency≤2500 hertz, cable current capacity 3-4KA, single internal layer copper stranded conductor cross section is 300mm
2, outer copper stranded conductor cross section is 40mm
2Eight, internal layer copper conductor and insulating sleeve spacing are 2.5mm, outer tube and insulating sleeve spacing 2.5mm, and outer tube and insulating sleeve spacing 14mm, the insulating sleeve material is a natural rubber, thickness 5mm, the outer tube material is the canvas filler rubber pipe, thickness 12mm.Cooling water pressure is 3Kg.Adopt big electric current water-cooled coaxial cable, the power transmission cable of electric furnace and its power-supply device is general only to need one, its installation process and inner conductor are that many coaxial cable is identical, drawing the internal layer copper conductor in two terminations of coaxial cable respectively by the prong of Y shape rubber tube is connected with end connector (7) (7 ') with outer copper conductor, two end connectors (7) (7 ') are connected with positive and negative current circuit respectively, have guaranteed the transmission of big electric current.
The utility model is compared with background technology has following advantage:
1, eliminated the perceptual pressure drop that produces with multi-cable;
2, reduce electrical piano power loss;
3, on-the-spot installation, easy to use.
Claims (3)
1, a kind of big electric current water-cooled coaxial cable, form by outer tube (1), copper conductor (2), it is characterized in that: internal layer copper conductor (2), outer copper conductor (3) are arranged in outer tube (1), between internal layer copper conductor (2) and the outer copper conductor (3) insulating sleeve (4) is arranged.
2, big electric current water-cooled coaxial cable according to claim 1, it is characterized in that: internal layer copper conductor (2) is for single, many outer copper conductors (3) are distributed on internal layer copper conductor (2) on every side, insulating sleeve (4) is arranged outside internal layer copper conductor (2), (6) are at interval arranged between insulating sleeve (4) and the internal layer copper conductor, (6 ') are at interval arranged between insulating sleeve (4) and the outer tube (1).
3, big electric current water-cooled coaxial cable according to claim 1, it is characterized in that: many internal layer copper conductors (2) evenly are spaced at core frame (5) on every side with many outer copper conductors (3), insulating sleeve (4) is at interval between internal layer copper conductor (2), outer copper conductor (3), in the interval (6) of internal layer copper conductor (2) between insulating sleeve (4) and core frame (5), in the interval (6 ') of outer copper conductor between insulating sleeve (4) and outer tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94241946 CN2207624Y (en) | 1994-05-31 | 1994-05-31 | Large current water cooling coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94241946 CN2207624Y (en) | 1994-05-31 | 1994-05-31 | Large current water cooling coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2207624Y true CN2207624Y (en) | 1995-09-13 |
Family
ID=33848618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94241946 Expired - Fee Related CN2207624Y (en) | 1994-05-31 | 1994-05-31 | Large current water cooling coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2207624Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291863A (en) * | 2011-06-30 | 2011-12-21 | 平顶山市鸿发物资贸易有限公司 | Electromagnetic induction heating device for heating metal workpiece |
| CN104021865A (en) * | 2014-05-14 | 2014-09-03 | 北京联合大学 | Circular conductor capable of reducing AC resistance |
| CN104036857A (en) * | 2014-05-14 | 2014-09-10 | 北京联合大学 | Rectangular conductor capable of reducing AC resistance |
| CN114446543A (en) * | 2022-01-11 | 2022-05-06 | 韦伯斯特感应科技(常州)有限公司 | Production process of water-cooled cable and water-cooled cable |
-
1994
- 1994-05-31 CN CN 94241946 patent/CN2207624Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291863A (en) * | 2011-06-30 | 2011-12-21 | 平顶山市鸿发物资贸易有限公司 | Electromagnetic induction heating device for heating metal workpiece |
| CN102291863B (en) * | 2011-06-30 | 2013-07-10 | 平顶山市鸿发物资贸易有限公司 | Electromagnetic induction heating device for heating metal workpiece |
| CN104021865A (en) * | 2014-05-14 | 2014-09-03 | 北京联合大学 | Circular conductor capable of reducing AC resistance |
| CN104036857A (en) * | 2014-05-14 | 2014-09-10 | 北京联合大学 | Rectangular conductor capable of reducing AC resistance |
| CN114446543A (en) * | 2022-01-11 | 2022-05-06 | 韦伯斯特感应科技(常州)有限公司 | Production process of water-cooled cable and water-cooled cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |