CN109254178A - Conductive cross arm with electrode arc voltage detecting function - Google Patents
Conductive cross arm with electrode arc voltage detecting function Download PDFInfo
- Publication number
- CN109254178A CN109254178A CN201811252566.8A CN201811252566A CN109254178A CN 109254178 A CN109254178 A CN 109254178A CN 201811252566 A CN201811252566 A CN 201811252566A CN 109254178 A CN109254178 A CN 109254178A
- Authority
- CN
- China
- Prior art keywords
- cross arm
- conductive cross
- electrode
- voltage
- conductive
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 29
- 239000010949 copper Substances 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims abstract 3
- 238000009413 insulation Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 1
- 238000010891 electric arc Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 7
- 238000007670 refining Methods 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discharge Heating (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of conductive cross arm with electrode arc voltage detecting function, including conductive cross arm ontology and graphite electrode, graphite electrode is clamped in the front end of conductive cross arm ontology by conductive chuck；The inside of conductive cross arm ontology is embedded with high-temperature-resistant shielding copper cable, high-temperature-resistant shielding copper cable one end passes through the preceding voltage current collection column extraction that conductive cross arm ontology front end is arranged in, the other end passes through the rear voltage current collection column extraction that conductive cross arm ontology rear end is arranged in, the every phase in conductive chuck top is provided with an electrode voltage current collection column, which is connected by copper bar or steel strand wires with preceding voltage collection terminal.The detection route eliminates this tetrameric impedance voltage interference of outlet compensator, copper pipe through walls, water-cooled cable and the conductive cross arm of transformer, compared with routine techniques, the line arrangement form makes electrode arc voltage detecting be located closer to electric arc, therefore the electrode arc operating voltage measured is more accurate, it is as a result more true.
Description
Technical field
The invention belongs to electric arc furnaces refining furnace fields, and in particular to a kind of conduction with electrode arc voltage detecting function
Transverse arm.
Background technique
Existing electric furnace arrangement for producing steel, ladle refining furnace are in production, for the input power for controlling electric furnace, it is necessary to acquisition electrode
The operating voltage of electric arc, but since center of electric furnace temperature is high, the conductive cross arm of electrode moves up and down frequently, directly in smelting process
Connect that acquisition electrode voltage is highly difficult, existing electric furnace is that voltage transformer is arranged in the low-voltage side outlet position of transformer, is passed through
Acquire the operating voltage of transformer outgoing line side, the size of judgement and estimation electrode arc voltage.
Since the heavy current circuit of metallurgical electric arc furnaces mainly includes outlet compensator, copper pipe through walls, the water cooling electricity of transformer
Cable and conductive cross arm；At work, the impedance voltage accounting of this several equipment component is very big for electric arc furnaces, and operating voltage fluctuation frequency
Numerous, very big on arc voltage detection influence, the dynamic mobile of heavy current circuit causes line impedance voltage change unstable, to electricity
The interference of pole electrical arc voltage is larger, and error is also larger, causes arc voltage in electric furnace uneven, what electrode input power was adjusted
Response lag, the input power for influencing electric furnace are stablized.
Summary of the invention
In view of this, the invention reside in a kind of conductive cross arm with electrode arc voltage detecting function is provided, to reach
The purpose of precise acquisition electrode voltage.
In order to achieve the above objectives, the invention provides the following technical scheme: it is a kind of with electrode arc voltage detecting function
Conductive cross arm, including conductive cross arm ontology and graphite electrode, graphite electrode are clamped in conductive cross arm ontology by conductive chuck
Front end；The inside of conductive cross arm ontology is embedded with high-temperature-resistant shielding copper cable, and high-temperature-resistant shielding copper cable one end is being led by setting
The preceding voltage current collection column of electric transverse arm ontology front end is drawn, and the other end passes through the rear voltage current collection that conductive cross arm ontology rear end is arranged in
Column is drawn, and is equipped with insulation spacer between preceding voltage collection terminal, rear voltage collection terminal and conductive cross arm ontology；Conductive chuck top is every
It is mutually provided with an electrode voltage current collection column, which passes through copper bar or steel strand wires and preceding voltage collection terminal phase
Even.
Further, conductive cross arm is set inside the body seamless pipe, and high-temperature-resistant shielding copper cable is embedded in seamless pipe.
Further, seamless pipe is stainless steel seamless pipe.
Further, rear voltage current collection column is connected with high temperature resistant copper cable.
The beneficial effects of the present invention are: the device in conductive cross arm ontology by being directly arranged high-temperature-resistant shielding copper wire
Cable realizes being directly connected to for graphite electrode and voltage transformer so that detection route avoid transformer outlet compensator,
This tetrameric impedance voltage of copper pipe, water-cooled cable and conductive cross arm through walls interferes and directly detects graphite electrode arc work electricity
Pressure, compared with routine techniques, which makes electrode arc voltage detecting be located closer to electric arc, therefore measure
Electrode arc operating voltage is more accurate, as a result more true.
The every phase in conductive chuck top in the structure is provided with an electrode voltage current collection column, can dynamically track three-phase electrode
Arc voltage variation, so as to adjust the movement of graphite electrode in time；This to guarantee furnace in input three phase power the degree of balance,
The smelting power factor for improving electric arc furnaces or refining furnace has important directive significance.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the structural diagram of the present invention；
Wherein: conductive cross arm ontology -1, graphite electrode -2, conductive chuck -3, high-temperature-resistant shielding copper cable -4, preceding electricity
Pressure collection terminal -5, rear voltage collection terminal -6, electrode voltage current collection column -7, copper bar -8, high temperature resistant copper cable -9, voltage are mutual
Sensor -10, seamless pipe -11.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
As shown, the conductive cross arm with electrode arc voltage detecting function in the present invention, including conductive cross arm sheet
Body 1 and graphite electrode 2, graphite electrode 2 are clamped in the front end of conductive cross arm ontology 1 by conductive chuck 3；Conductive cross arm ontology 1
Inside be embedded with high-temperature-resistant shielding copper cable 4,4 one end of high-temperature-resistant shielding copper cable is by being arranged in 1 front end of conductive cross arm ontology
Preceding voltage current collection column 5 draw, the other end pass through be arranged in 1 rear end of conductive cross arm ontology rear voltage current collection column 6 draw, preceding electricity
Insulation spacer is equipped between pressure collection terminal 5, rear voltage collection terminal 6 and conductive cross arm ontology 1；The every phase setting in 3 top of conductive chuck
There is an electrode voltage current collection column 7, which is connected by copper bar 8 or steel strand wires with preceding voltage collection terminal 5.
In the structure, preceding voltage current collection column 5 is connected with electrode voltage current collection column 7 by front copper bar 8 or steel strand wires, convenient
Maintenance replacement；It is connected with high temperature resistant copper cable 9 at voltage current collection column 6 afterwards, electrical acquisition system is led to by high temperature resistant copper cable 9
Voltage transformer 10 detects the 2 electric arc operating voltage of graphite electrode of electric arc furnaces or refining furnace.
The device realizes 2 electric arc of graphite electrode by the way that high-temperature-resistant shielding copper cable 4 is directly arranged in conductive cross arm ontology 1
The inspection of operating voltage, such laying mode realizes being directly connected to for graphite electrode 2 and voltage transformer 10, so that detection line
Road avoids this tetrameric impedance voltage interference of outlet compensator, copper pipe through walls, water-cooled cable and the conductive cross arm of transformer,
Compared with routine techniques, electricity which makes electrode arc voltage detecting be located closer to electric arc, therefore measure
Pole electrical arc operating voltage is more accurate, as a result more true.
The every phase in 3 top of conductive chuck in the structure is provided with an electrode voltage current collection column 7, can dynamically track three-phase electricity
The arc voltage of pole changes, so as to adjust the movement of graphite electrode 2 in time；This is to the balance for guaranteeing to input three phase power in furnace
Degree improves the smelting power factor of electric arc furnaces or refining furnace with important directive significance.
As a further improvement of the foregoing solution, the inside of conductive cross arm ontology 1 is equipped with seamless pipe 11, high-temperature-resistant shielding copper
Cable 4 is embedded in seamless pipe 11.Seamless pipe 11 is convenient for the installation of high-temperature-resistant shielding copper cable 4；Seamless pipe 11 herein is optional
With stainless steel seamless pipe, material property is stablized, is not easy to corrode.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of conductive cross arm with electrode arc voltage detecting function, it is characterised in that: including conductive cross arm ontology and stone
Electrode ink, graphite electrode are clamped in the front end of conductive cross arm ontology by conductive chuck；The inside of conductive cross arm ontology is embedded with resistance to
High-temperature shielding copper cable, high-temperature-resistant shielding copper cable one end are drawn by the way that the preceding voltage current collection column of conductive cross arm ontology front end is arranged in
Out, the other end passes through the rear voltage current collection column extraction that conductive cross arm ontology rear end is arranged in, preceding voltage collection terminal, rear voltage line concentration
Insulation spacer is equipped between column and conductive cross arm ontology；The every phase in conductive chuck top is provided with an electrode voltage current collection column, should
Electrode voltage current collection column is connected by copper bar or steel strand wires with preceding voltage collection terminal.
2. the conductive cross arm according to claim 1 with electrode arc voltage detecting function, it is characterised in that: conductive horizontal
The inside of arm body is equipped with seamless pipe, and high-temperature-resistant shielding copper cable is embedded in seamless pipe.
3. the conductive cross arm according to claim 2 with electrode arc voltage detecting function, it is characterised in that: seamless pipe
For stainless steel seamless pipe.
4. any conductive cross arm with electrode arc voltage detecting function, feature exist according to claim 1~3
In: rear voltage current collection column is connected with high temperature resistant copper cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252566.8A CN109254178B (en) | 2018-10-25 | 2018-10-25 | Conductive cross arm with electrode arc voltage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252566.8A CN109254178B (en) | 2018-10-25 | 2018-10-25 | Conductive cross arm with electrode arc voltage detection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109254178A true CN109254178A (en) | 2019-01-22 |
| CN109254178B CN109254178B (en) | 2024-02-23 |
Family
ID=65046146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811252566.8A Active CN109254178B (en) | 2018-10-25 | 2018-10-25 | Conductive cross arm with electrode arc voltage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109254178B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08146046A (en) * | 1994-11-22 | 1996-06-07 | Nippon Telegr & Teleph Corp <Ntt> | Non-contact type voltage probe apparatus |
| CN2757075Y (en) * | 2004-11-15 | 2006-02-08 | 唐山钢铁股份有限公司 | Automatic blowing device for conductive clamp |
| CN203148191U (en) * | 2012-08-30 | 2013-08-21 | 树赢(国际)控股西安装备有限公司 | Low-impedance energy-saving composite conductive transverse arm |
| US20140362486A1 (en) * | 2013-06-11 | 2014-12-11 | Electrical Materials Company | Low fault current isolator system |
| JP2015042069A (en) * | 2013-08-22 | 2015-03-02 | 株式会社日立製作所 | Voltage detector and switch gear comprising the same |
| US20150145502A1 (en) * | 2012-08-03 | 2015-05-28 | Abb Technology Ag | Voltage measurement device with an insulating body |
| US20170034878A1 (en) * | 2015-07-30 | 2017-02-02 | Danieli Automation Spa | Apparatus and Method to Electrically Power an Electric Arc Furnace |
| US20170261543A1 (en) * | 2016-03-11 | 2017-09-14 | Electric Power Research Institute, Inc. | Apparatus and method for evaulating non-ceramic insulators with conformal probe |
| CN209117728U (en) * | 2018-10-25 | 2019-07-16 | 中冶赛迪工程技术股份有限公司 | Conductive cross arm with electrode arc voltage detecting function |
-
2018
- 2018-10-25 CN CN201811252566.8A patent/CN109254178B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08146046A (en) * | 1994-11-22 | 1996-06-07 | Nippon Telegr & Teleph Corp <Ntt> | Non-contact type voltage probe apparatus |
| CN2757075Y (en) * | 2004-11-15 | 2006-02-08 | 唐山钢铁股份有限公司 | Automatic blowing device for conductive clamp |
| US20150145502A1 (en) * | 2012-08-03 | 2015-05-28 | Abb Technology Ag | Voltage measurement device with an insulating body |
| CN203148191U (en) * | 2012-08-30 | 2013-08-21 | 树赢(国际)控股西安装备有限公司 | Low-impedance energy-saving composite conductive transverse arm |
| US20140362486A1 (en) * | 2013-06-11 | 2014-12-11 | Electrical Materials Company | Low fault current isolator system |
| JP2015042069A (en) * | 2013-08-22 | 2015-03-02 | 株式会社日立製作所 | Voltage detector and switch gear comprising the same |
| US20170034878A1 (en) * | 2015-07-30 | 2017-02-02 | Danieli Automation Spa | Apparatus and Method to Electrically Power an Electric Arc Furnace |
| US20170261543A1 (en) * | 2016-03-11 | 2017-09-14 | Electric Power Research Institute, Inc. | Apparatus and method for evaulating non-ceramic insulators with conformal probe |
| CN209117728U (en) * | 2018-10-25 | 2019-07-16 | 中冶赛迪工程技术股份有限公司 | Conductive cross arm with electrode arc voltage detecting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109254178B (en) | 2024-02-23 |
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