CN105142844B - Plasma cut cutting torch, plasma cut power supply and plasma cutter - Google Patents
Plasma cut cutting torch, plasma cut power supply and plasma cutter Download PDFInfo
- Publication number
- CN105142844B CN105142844B CN201480018279.4A CN201480018279A CN105142844B CN 105142844 B CN105142844 B CN 105142844B CN 201480018279 A CN201480018279 A CN 201480018279A CN 105142844 B CN105142844 B CN 105142844B
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- 230000002411 adverse Effects 0.000 claims description 11
- 238000010891 electric arc Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 43
- 229910052751 metal Inorganic materials 0.000 description 43
- 238000001816 cooling Methods 0.000 description 19
- 230000002265 prevention Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/006—Control circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/36—Circuit arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
- Arc Welding In General (AREA)
- Arc Welding Control (AREA)
Abstract
It is an object of the invention to provide a kind of connection operation for realizing and saving line and simplifying cable, and then the safe plasma cutter in connection operation.In the plasma cut cutting torch that the plasma cut of the present invention is formed as follows with being employed in cutting torch (7)：With electrode (13), 1st cable (8), cutting torch switchs (12), 2nd cable (10), cutting torch (14), with the 3rd cable (9), 1st cable (8) electrically connects with electrode (13), and there is the 1st terminal (25), 2nd cable (10) electrically connects with cutting torch switch (12), and there is the 2nd terminal (22) and the 3rd terminal (23), cutting torch (14) separates with electrode (13), and it is configured to surround electrode (13), 3rd cable (9) electrically connects with cutting torch, and the connecting portion between the 2nd terminal (22) and cutting torch switch (12), electrically connected with the 2nd cable (9).
Description
Technical field
This disclosure relates to plasma cut cutting torch, plasma cut power supply and plasma cutter, are especially related to
And the Wiring structure of the inside of plasma cut cutting torch and plasma cut power supply.
Background technology
Plasma Welding is the one kind for having used the electric arc of non-consumable electrode to weld, and is by as plasma especially
Gas (working gas) ejection and by the welding of electric arc densification.By by working gas and by the electric arc of densification
Referred to as plasma-arc.
Plasma cut is by the caused plasma-arc between plasma cut cutting torch and mother metal, to carry out mother
The processing method of the cutting of material.Plasma-arc is by the cooling effect and eddy flow of working gas, by plasma cut cutting torch
The squit hole of cutting torch front end mechanically shrink and by high temperature.The mother that plasma cut is carried out by using plasma-arc
The melting of material and using working gas carry out be melted after mother metal dispel to be cut to mother metal.In addition, wait from
The inside of son cutting cutting torch, generates after leading arc between electrode and cutting torch, plasma electric is produced between electrode and mother metal
Arc.
All the time, it is known that a kind of plasma cut dress with plasma cut cutting torch and plasma cut power supply
Put (for example, referring to patent document 1).
Fig. 3 is the figure for the brief composition for representing existing plasma cutter.Fig. 4 is to represent existing plasma cut
The figure of the brief composition of the circuit of device.
In figure 3, the compressor 102 being compressed to working gas is connected with adjuster 103.Adjuster 103 is by work
The secondary pressure of gas is adjusted to fixed value.Then, working gas is directed to the inside of cutting power supply 104 from adjuster 103.
Adjuster 103 and be arranged on cutting power supply 104 it is inside, by the starting and stopping of plasma-arc and by
The gas valve connection (not shown) of opening and closing.Working gas flows in the inside of cutting power supply 104 via gas valve.Gas
Working gas with being supplied to the cooling cable 108 of cutting torch leading section 101 to be connected by body valve.
And then cutting power supply 104 be connected be connected with mother metal 105 mother metal cable 106, in order that striking is good
Guiding cable 109 that is good and applying high frequency and the cutting torch switch cable 110 with cutting torch switch 112.
On the other hand, the guiding cable 109 for coming Self cleavage electricity consumption source 104, cutting torch are connected with plasma cutting torch 107
Switch cable 110 and cooling cable 108.Moreover, working gas is provided to cutting torch leading section 101 via cooling cable 108.
As above, existing plasma cutter 111 is constituted.
Then, using Fig. 4, method and cutting power supply 104, mother metal 105 to existing plasma cut, with etc. from
The connection of son cutting cutting torch 107 illustrates.
The method of existing plasma cut has the cutting torch 114 for making plasma cutting torch 107 to be connect with what mother metal 105 contacted
Touch cutting and the non-contact cutting for making cutting torch 114 be left from mother metal 105.
First, capable explanation is cut into contact.By the way that the cutting torch switch 112 of plasma cutting torch 107 is connected to produce
Raw start signal.According to the generation of start signal, cutting is connected relay with the controller 115 of power supply 104.In addition, relay
Device is made up of coil 118a and contact 118b, and contact 118b turns into conducting state if relay is connected.Then, high frequency is passed through
Generator 117, apply high frequency voltage between cooling cable 108 and guiding cable 109.Thus, in plasma cutting torch 107
Leading section, between electrode 113 and the mother metal 105 contacted with cutting torch 114 produce lead arc.Then, plasma-arc electricity is passed through
Source portion 116 provides electric power between electrode 113 and mother metal 105.Thus, lead arc develop between electrode 113 and mother metal 105 etc.
Ionic arc.In addition, controller 115 flows through the electric current of mother metal 105 via the mother metal cable 106 being connected with mother metal 105 to perceive,
And relay is disconnected.That is, the contact 118b of relay is disconnected and is set to nonconducting state.Thus, no longer apply height to take place frequently
High frequency voltage caused by raw device 117, between electrode 113 and cutting torch 114.
Then, on non-contact cutting, pair illustrated with contacting the difference of cutting.If existed by radio-frequency generator 117
Apply high frequency voltage between cooling cable 108 and guiding cable 109, then in the leading section of plasma cutting torch 107, in electrode
Insulation breakdown occurs between 113 and cutting torch 114, arc is led in generation.Then, by plasma-arc power supply unit 116 to electrode 113 with
Electric power is provided between mother metal 105.Thus, lead arc and develop into plasma-arc between electrode 113 and mother metal 105.That is, electrode
The plasma-arc led arc and be changed between electrode 113 and mother metal 105 between 113 and cutting torch 114.
Then, cutting is illustrated with the connection of power supply 104, mother metal 105 and plasma cutting torch 107.First,
Plasma cutting torch 107 is switched into cable 110 this 3 kinds of cables with cutting by cooling down cable 108, guiding cable 109 and cutting torch
Cut and connected with power supply 104.Then, mother metal 105 is connected by mother metal cable 106 with cutting power supply 104.
Citation
Patent document
Patent document 1：JP Laid-Open 3-114677 publications
The content of the invention
In existing plasma cutter 111, it is necessary to by plasma cutting torch 107 by cooling down cable 108, drawing
Wire cable 109 and cutting torch switch cable 110 this 3 kinds of cables are connected with cutting power supply 104, very bothersome.Further, since draw
The connecting end sub-portion 109a of wire cable 109 is exposed outside, therefore in connection operation, it is necessary to gives one's full attention to not miss and connects power supply
Lead to and high frequency voltage is applied to connecting end sub-portion 109a.
In order to solve above-mentioned problem, the plasma cut cutting torch of the disclosure has electrode, the 1st cable, cutting torch switch, the
2 cables, cutting torch and the 3rd cable.1st cable electrically connects with electrode, and has the 1st terminal.2nd cable is electrically connected with cutting torch switch
Connect, and there is the 2nd terminal and the 3rd terminal.Cutting torch and electrode separation, and surround electrode.3rd cable electrically connects with cutting torch, and
Tie point between the 2nd terminal and cutting torch switch, is electrically connected with the 2nd cable.Plasma cut cutting torch via the 1st terminal,
2nd terminal and the 3rd terminal are connected with plasma cut with power supply.
In addition, the plasma cut of the disclosure is connected with plasma cut cutting torch with power supply.Plasma cut cutting torch
With the 1st cable, the 2nd cable and the 3rd cable.1st cable electrically connects with electrode, and has the 1st terminal.2nd cable and cutting torch
Switch electrical connection, and there is the 2nd terminal and the 3rd terminal.3rd cable electrically connect with surrounding the cutting torch of electrode, in the 2nd terminal and
Tie point between cutting torch switch electrically connects with the 2nd cable.Plasma cut power supply has plasma-arc power supply unit, high frequency
Generator, controller and the 6th wiring.One end of plasma-arc power supply unit is connected by the 1st wiring with the 4th terminal.Height takes place frequently
One end of raw device is connected by the 2nd wiring with the 5th terminal, and the other end is connected by the 3rd wiring with plasma-arc power supply unit.Control
Device processed is connected by the 4th wiring with the 6th terminal, and is connected by the 5th wiring with the 7th terminal.6th wiring is via relay tip
1st wiring and the 5th wiring are connected.Controller is detected to the electric current of the 1st wiring, and relay tip is controlled.
According to the disclosure, if plasma cut cutting torch will cool down cable and cutting torch switch this 2 kinds of cables of cable with etc.
Ion cutting is connected with power supply.Thus, in the present embodiment, if connection 2 kinds of cables, it is compared with the past can
Realize and save line, and the connection operation of cable can be simplified.And then guide cable 9 connecting end sub-portion will not it is exposed outside, even
The security connect in operation improves.
Brief description of the drawings
Fig. 1 is the figure for the brief composition for representing the plasma cutter in embodiment of the present disclosure 1.
Fig. 2 is the figure of the brief composition for the circuit for representing the plasma cutter in embodiment of the present disclosure 1.
Fig. 3 is the figure for the brief composition for representing existing plasma cutter.
Fig. 4 is the figure of the brief composition for the circuit for representing existing plasma cutter.
Embodiment
(embodiment 1)
Embodiment of the present disclosure 1 is illustrated using Fig. 1 and Fig. 2.Fig. 1 be represent grade in present embodiment from
The figure of the brief composition of sub- cutter device.Fig. 2 is the brief structure for the circuit for representing the plasma cutter in present embodiment
Into figure.
In Fig. 1, outside of the compressor 2 being compressed to working gas with being arranged on plasma cut power supply 4
Adjuster 3 connects.Adjuster 3 can also be arranged on the inside of plasma cut power supply 4.Adjuster 3 will provide from compressor 2
The pressure of working gas be adjusted to fixed.The working gas of level pressure is directed in plasma cut power supply 4 from adjuster 3
Portion.
Adjuster 3 and be arranged on plasma cut power supply 4 it is inside, by the starting and stopping of plasma-arc and
The gas valve connection (not shown) being opened and closed.Inside of the working gas provided from adjuster 3 in plasma cut with power supply 4
Flowed via gas valve.(the 1st line of cooling cable 8 of leading section of the gas valve with working gas to be sent to cutting torch main body 1
Cable) connection.Cooling cable 8 have make the gas line of working gas travels and as both cables of electrical wiring.
And then plasma cut has terminal 24,25,26,27 with power supply 4.Terminal 24 and the mother metal line for being connected to mother metal 5
Cable 6 connects.The terminal 21 of cable of the terminal 25 with being connected with cooling cable 8 is connected.Terminal 26,27 switchs cable with cutting torch respectively
10 terminal 22,23 connects.
There is plasma cut cutting torch 7 cutting torch main body 1, cooling cable 8 and cutting torch to switch cable 10.Cutting torch main body 1 with
Cooling cable 8 and cutting torch switch cable 10 connect.Working gas is provided to cutting torch master via the gas line of cooling cable 8
The leading section of body 1.
As above, by plasma cut cutting torch 7 and plasma cut power supply 4, constitute present embodiment etc.
Ion cutter device 11.
Then, cut using Fig. 2, the method and plasma cut of article on plasma cutting with power supply 4, mother metal 5, with plasma
Cut and illustrated with the connection of cutting torch 7.
First, article on plasma cutting is illustrated with the construction of cutting torch 7.
As shown in Fig. 2 plasma cut with cutting torch 7 have cooling cable 8 (the 1st cable), guiding cable 9 (the 3rd cable),
Cutting torch switch cable 10 (the 2nd cable), cutting torch switch 12, electrode 13, cutting torch 14, (the 1st filtering of high fdrequency component removal unit 19
Device) and adverse current prevention unit 20.Electrode 13 and cutting torch 14 are arranged on the leading section of Fig. 1 cutting torch main body 1.
Cooling cable 8 has the gas line for making working gas travels and the cable as electrical wiring.Cool down cable 8
Electrode 13 is connected by cable with terminal 21, and terminal 21 is the connection terminal with plasma cut power supply 4.
Cutting torch 14 is connected by guiding cable 9 with cutting torch switch cable 10.Guiding cable 9 is accommodated in plasma cut cutting torch
7 inside.
Terminal 22 is connected by cutting torch switch cable 10 with terminal 23, there is high fdrequency component to remove successively from the side of terminal 22 single
Member 19, adverse current prevention unit 20 and cutting torch switch 12.Adverse current prevention unit 20 is prevented from terminal 22 to the stream of the electric current of terminal 23
It is dynamic, without prejudice to the flowing from terminal 23 to the electric current of terminal 22.In addition, between terminal 22 and high fdrequency component removal unit 19,
It is connected with guiding cable 9 and cutting torch switch cable 10.Terminal 22,23 is the connection terminal with plasma cut power supply 4.High frequency
Component removal unit 19 is, for example, LC wave filters, and adverse current prevention unit 20 is, for example, diode.The He of high fdrequency component removal unit 19
The order of connection of adverse current prevention unit 20 may be reversed.
Then, article on plasma cutting power supply 4 illustrates.As shown in Fig. 2 plasma cut has control with power supply 4
Device 15, plasma-arc power supply unit 16, relay coil 18a, relay tip 18b, radio-frequency generator 17 and high fdrequency component are gone
Except unit 33.
Plasma-arc power supply unit 16 is connected by wiring 28 (the 1st wiring) with terminal 24 (the 4th terminal).Radio-frequency generator
17 are connected by wiring 29 (the 2nd wiring) with terminal 25 (the 5th terminal), and pass through wiring 30 (the 3rd wiring) and plasma-arc
Power supply unit 16 connects.In addition, wiring 28 and wiring 30 connect via capacitor.
Controller 15 is connected with relay coil 18a.The negative pole of controller 15 passes through wiring 31 (the 4th wiring) and terminal 26
(the 6th terminal) connects.The positive pole of controller 15 is connected by wiring 32 with terminal 27 (the 7th terminal).Wiring 31 has on path
There is high fdrequency component removal unit 33 (the 2nd wave filter).Wiring 31 between high fdrequency component removal unit 33 and terminal 26, via after
Electrical equipment contact 18b is connected with wiring 28.In addition, controller 15 detects to the electric current of wiring 28, and to relay tip 18b
Break-make be controlled.High fdrequency component removal unit 33 is, for example, LC wave filters.
The terminal 24 of plasma cut power supply 4 is connected via mother metal cable 6 with mother metal 5.Plasma cut power supply 4
Terminal 25,26,27 is connected with the terminal 21,22,23 of plasma cut cutting torch 7 respectively.
Then, the method for article on plasma cutting illustrates.Plasma cut be roughly divided into contact cutting and it is non-contact
Cut this 2 kinds.
First, capable explanation is cut into contact.By the way that cutting torch switch 12 is connected to produce start signal.Believe according to starting
Number generation, plasma cut connected relay with the controller 15 of power supply 4.In addition, relay by relay coil 18a and
Relay tip 18b is formed, and relay tip 18b turns into conducting state if relay is connected.Then, occurred by high frequency
Device 17, cooling cable 8 with plasma cut with switched with cutting torch in cutting torch 7 cable 10 cathode side (controller 15 it is negative
Pole side) connection guiding cable 9 between apply high frequency voltage.Thus, the leading section in plasma cut with cutting torch 7, in electrode
Produced between 13 and the mother metal 5 that is contacted with cutting torch 14 and lead arc.Then, by plasma-arc power supply unit 16 to electrode 13 with it is female
Electric power is provided between material 5.Thus, lead arc and develop into plasma-arc between electrode 13 and mother metal 5.In addition, controller 15 passes through
The electric current of mother metal 5 is flowed through to perceive by the mother metal cable 6 that is connected with mother metal 5 and wiring 28, and relay is disconnected.That is, will
The relay tip 18b of relay disconnects and is set to nonconducting state.Thus, no longer apply radio-frequency generator 17 caused by,
High frequency voltage between electrode 13 and cutting torch 14.
In addition, guiding cable 9, in plasma cut with cutting torch 7, passes through the cathode side positioned at cutting torch switch cable 10
The tie point of (negative side of controller 15), it is connected with cutting torch switch cable 10.In addition, cutting torch switch cable 10 from guide line
The tie point of cable 9 switchs 12 sides towards cutting torch, is disposed with high fdrequency component removal unit 19 and adverse current prevention unit 20.Cause
This, when producing high frequency voltage between electrode 13 and the mother metal 5 contacted with cutting torch 14, can prevent high fdrequency component from flowing to cutting torch and opening
Close the anode-side (side of the positive electrode of controller 15) of cable 10.
In addition, in the plasma cut inside of power supply 4, in (the control of wiring 31 being connected with plasma cut cutting torch 7
The negative side of device 15) it is provided with high fdrequency component removal unit 33.Therefore, between electrode 13 and the mother metal 5 contacted with cutting torch 14
When producing high frequency voltage, high fdrequency component is removed, and only signal caused by cutting torch switch 12 is input into controller 15.
Then, on non-contact cutting, pair illustrated with contacting the difference of cutting.If by radio-frequency generator 17 cold
But high frequency voltage is applied between cable 8 and guiding cable 9, then the leading section in plasma cut with cutting torch 7, in electrode 13 with cutting
Insulation breakdown occurs between mouth 14, arc is led in generation.Then, by plasma-arc power supply unit 16, between electrode 13 and mother metal 5
Electric power is provided.Thus, lead arc and develop into plasma-arc between electrode 13 and mother metal 5.That is, between electrode 13 and cutting torch 14
Lead the plasma-arc that arc is changed between electrode 13 and mother metal 5.Break-make on relay etc., it is same with contacting cutting.
In addition, guiding cable 9, in plasma cut with cutting torch 7, passes through the cathode side positioned at cutting torch switch cable 10
(negative side of controller 15) tie point, it is connected with cutting torch switch cable 10.In addition, cutting torch switchs cable 10 from guiding cable
9 tie point switchs 12 sides towards cutting torch, is disposed with high fdrequency component removal unit 19 and adverse current prevention unit 20.Therefore,
When producing high frequency voltage between electrode 13 and cutting torch 14, it can prevent high fdrequency component from flowing to the anode-side of cutting torch switch cable 10
(side of the positive electrode of controller 15).
In addition, in the plasma cut inside of power supply 4, in (the control of wiring 31 being connected with plasma cut cutting torch 7
The negative side of device 15) it is provided with high fdrequency component removal unit 33.Therefore, high frequency voltage is produced between electrode 13 and cutting torch 14
When, high fdrequency component is removed, and only signal caused by cutting torch switch 12 is input into controller 15
Then, article on plasma cutting is illustrated with power supply 4, mother metal 5, with plasma cut with the connection of cutting torch 7.Deng from
As long as sub- cutting cutting torch 7 by cool down cable 8 and possess guiding cable 9 function cutting torch switch this 2 kinds of cables of cable 10 and
Plasma cut is connected with power supply 4.I.e., it is not necessary to be connected guiding cable 9 with plasma cut power supply 4.Thus, exist
In present embodiment, as long as 2 kinds of cables of connection, compared with the past to realize province's line, the connection of cable can be simplified
Operation.And then guide cable 9 connecting end sub-portion will not it is exposed outside, the security in connection operation uprises.
In addition, it is same that plasma cut power supply 4 is connected into this point with mother metal 5 by mother metal cable 6.
Industrial applicibility
According to the disclosure, by province's line of the cable in plasma cutter, so as to which operating efficiency and security carry
Height, it is industrially useful.
Label declaration
1 cutting torch main body
2 compressors
3 adjusters
4 plasma cut power supplys
5 mother metals
6 mother metal cables
7 plasma cut cutting torches
8 cooling cables
9 guiding cables
10 cutting torches switch cable
11 plasma cutters
12 cutting torches switch
13 electrodes
14 cutting torch
15 controllers
16 plasma-arc power supply units
17 radio-frequency generators
18a relay coils
18b relay tips
19 high fdrequency component removal units
20 adverse current prevention unit
21st, 22,23,24,25,26,27 terminal
28th, 29,30,31,32 wiring
33 high fdrequency component removal units
101 cutting torch leading sections
102 compressors
103 adjusters
104 cutting power supplys
105 mother metals
106 mother metal cables
107 plasma cutting torchs
108 cooling cables
109 guiding cables
109a connecting end sub-portions
110 cutting torches switch cable
111 plasma cutters
112 cutting torches switch
113 electrodes
114 cutting torch
115 controllers
116 plasma-arc power supply units
117 radio-frequency generators
118a coils
118b contacts
Claims (6)
1. a kind of plasma cut cutting torch, possesses：
Electrode；
1st cable, it is electrically connected with the electrode, and has the 1st terminal；
Cutting torch switchs；
2nd cable, it is electrically connected with cutting torch switch, and has the 2nd terminal and the 3rd terminal；
Cutting torch, itself and the electrode separation, and surround the electrode；With
3rd cable, it is electrically connected with the cutting torch,
Tie point of 3rd cable between the 2nd terminal and cutting torch switch, is electrically connected with the 2nd cable,
2nd cable switchs in the cutting torch has adverse current preventing portion and the 1st wave filter portion between the tie point,
The plasma cut cutting torch is via the 1st terminal, the 2nd terminal and the 3rd terminal and plasma cut
Connected with power supply.
2. a kind of plasma cut power supply, is connected with plasma cut cutting torch, the plasma cut has with cutting torch：The
1 cable, it is electrically connected with electrode, and has the 1st terminal；2nd cable, switch electrically connect with cutting torch for it, and have the 2nd terminal with
And the 3rd terminal；With the 3rd cable, it is electrically connected with surrounding the cutting torch of the electrode, and the 3rd cable is in the 2nd terminal and institute
The tie point stated between cutting torch switch electrically connects with the 2nd cable, and the 2nd cable is in cutting torch switch and the connection
There is adverse current preventing portion and the 1st wave filter portion between point,
The plasma cut possesses with power supply：
Plasma-arc power supply unit, its one end are connected by the 1st wiring with the 4th terminal；
Radio-frequency generator, its one end are connected by the 2nd wiring with the 5th terminal, and the other end passes through the 3rd wiring and the plasma electric
Arc power portion connects；
Controller, it is connected by the 4th wiring with the 6th terminal, and is connected by the 5th wiring with the 7th terminal；With
6th wiring, it connects the described 1st wiring and the described 5th wiring via relay tip,
The controller is detected to the electric current of the described 1st wiring, and the relay tip is controlled.
3. plasma cut power supply according to claim 2, wherein,
4th wiring has the 2nd wave filter portion.
4. plasma cut power supply according to claim 2, wherein,
It is also equipped with the relay coil being connected with the controller.
5. the plasma cut power supply according to any one of claim 2~4, wherein,
1st wiring and the described 3rd wiring connect via capacitor.
6. a kind of plasma cutter, it possesses plasma cut cutting torch and plasma cut power supply,
The plasma cut has with cutting torch：
Electrode；
1st cable, it is electrically connected with the electrode, and has the 1st terminal；
Cutting torch switchs；
2nd cable, it is electrically connected with cutting torch switch, and has the 2nd terminal and the 3rd terminal；
Cutting torch, itself and the electrode separation, and surround the electrode；With
3rd cable, it is electrically connected with the cutting torch；
The plasma cut has with power supply：
Plasma-arc power supply unit, its one end are connected by the 1st wiring with the 4th terminal；
Radio-frequency generator, its one end are connected by the 2nd wiring with the 5th terminal, and the other end passes through the 3rd wiring and the plasma electric
Arc power portion connects；
Controller, it is connected by the 4th wiring with the 6th terminal, and is connected by the 5th wiring with the 7th terminal；With
6th wiring, it connects the described 1st wiring and the described 5th wiring via relay tip,
Tie point of 3rd cable between the 2nd terminal and cutting torch switch, is electrically connected with the 2nd cable,
2nd cable switchs in the cutting torch has adverse current preventing portion and the 1st wave filter portion between the tie point,
The controller is detected to the electric current of the described 1st wiring, and the relay tip is controlled,
1st terminal, the 2nd terminal and the 3rd terminal respectively with the 5th terminal, the 6th terminal and described
7 terminals connect.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-076564 | 2013-04-02 | ||
| JP2013076564 | 2013-04-02 | ||
| PCT/JP2014/001862 WO2014162714A1 (en) | 2013-04-02 | 2014-03-31 | Torch for plasma cutting, plasma cutting power supply, and plasma cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105142844A CN105142844A (en) | 2015-12-09 |
| CN105142844B true CN105142844B (en) | 2018-04-03 |
Family
ID=51658027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480018279.4A Active CN105142844B (en) | 2013-04-02 | 2014-03-31 | Plasma cut cutting torch, plasma cut power supply and plasma cutter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6010777B2 (en) |
| CN (1) | CN105142844B (en) |
| WO (1) | WO2014162714A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0508482A2 (en) * | 1991-04-12 | 1992-10-14 | The Lincoln Electric Company | Plasma torch with identification circuit |
| CN2344122Y (en) * | 1998-10-23 | 1999-10-20 | 肖柏树 | Water-cooled air plasma cutting machine |
| CN2535179Y (en) * | 2002-04-09 | 2003-02-12 | 北京有色金属研究总院 | Steam plasma cutting-welding machine |
| CN201324905Y (en) * | 2008-10-27 | 2009-10-14 | 刘海波 | Direct current and variable polarity plasma generator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163366A (en) * | 1984-09-03 | 1986-04-01 | Hitachi Seiko Ltd | Plasma cutting equipment |
| JPH0815668B2 (en) * | 1986-07-14 | 1996-02-21 | 日立精工株式会社 | Plasma cutting device |
| JPH0825015B2 (en) * | 1987-09-18 | 1996-03-13 | 株式会社日立製作所 | Plasma cutting method and apparatus thereof |
| JPH082501B2 (en) * | 1989-09-27 | 1996-01-17 | 松下電器産業株式会社 | Plasma cutting torch |
| JPH03234374A (en) * | 1990-02-08 | 1991-10-18 | Nippon Steel Weld Prod & Eng Co Ltd | plasma torch |
| JP3112116B2 (en) * | 1991-03-20 | 2000-11-27 | 株式会社小松製作所 | Plasma cutting machine and control method thereof |
| JP2510061Y2 (en) * | 1993-10-29 | 1996-09-11 | 株式会社ダイヘン | Plasma arc processing equipment |
| JP3591187B2 (en) * | 1997-01-31 | 2004-11-17 | 松下電器産業株式会社 | Plasma cutting torch |
| JP2003225768A (en) * | 2002-01-30 | 2003-08-12 | Komatsu Sanki Kk | Ignition device and ignition control method for main arc of plasma cutter |
-
2014
- 2014-03-31 CN CN201480018279.4A patent/CN105142844B/en active Active
- 2014-03-31 WO PCT/JP2014/001862 patent/WO2014162714A1/en active Application Filing
- 2014-03-31 JP JP2015509903A patent/JP6010777B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0508482A2 (en) * | 1991-04-12 | 1992-10-14 | The Lincoln Electric Company | Plasma torch with identification circuit |
| CN2344122Y (en) * | 1998-10-23 | 1999-10-20 | 肖柏树 | Water-cooled air plasma cutting machine |
| CN2535179Y (en) * | 2002-04-09 | 2003-02-12 | 北京有色金属研究总院 | Steam plasma cutting-welding machine |
| CN201324905Y (en) * | 2008-10-27 | 2009-10-14 | 刘海波 | Direct current and variable polarity plasma generator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014162714A1 (en) | 2014-10-09 |
| CN105142844A (en) | 2015-12-09 |
| JP6010777B2 (en) | 2016-10-19 |
| JPWO2014162714A1 (en) | 2017-02-16 |
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