CN202963766U - Plasma gouging high-frequency circuit and plasma gouging torch comprising same - Google Patents
Plasma gouging high-frequency circuit and plasma gouging torch comprising same Download PDFInfo
- Publication number
- CN202963766U CN202963766U CN201220621709XU CN201220621709U CN202963766U CN 202963766 U CN202963766 U CN 202963766U CN 201220621709X U CN201220621709X U CN 201220621709XU CN 201220621709 U CN201220621709 U CN 201220621709U CN 202963766 U CN202963766 U CN 202963766U
- Authority
- CN
- China
- Prior art keywords
- circuit
- frequency
- electric capacity
- plasma
- high voltage
- 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 - Fee Related
Links
Images
Landscapes
- Arc Welding Control (AREA)
- Plasma Technology (AREA)
Abstract
The utility model relates to a plasma gouging high-frequency circuit, which comprises a pulse-width modulation (PWM) signal generating circuit, a high-voltage booster circuit, a spark discharge circuit, an oscillating circuit, an arc starter coupling circuit and an output circuit, wherein the PWM signal generating circuit, the high-voltage booster circuit, the spark discharge circuit, the oscillating circuit, the arc starter coupling circuit and the output circuit are connected in sequence; the arc starter coupling circuit is an arc starter of which the primary side is connected in series with the oscillating circuit and the secondary side is connected with the output circuit, and an ultracrystalline magnetic core is adopted to serve as the arc starter. The utility model also provides a plasma gouging torch comprising the plasma gouging high-frequency circuit. The plasma gouging high-frequency circuit provided by the utility model is high in high-frequency energy, strong in arc starting performance, high in oscillating frequency and poor in arc transferability and interferences are easy to generate to the outside. When the plasma gouging high-frequency circuit is applied to the plasma gouging torch, the plasma gouging torch has the advantages that the cutting torch line is long and the operation is convenient, and is suitable for long-distance operations.
Description
[technical field]
The utility model relates to a kind of high-frequency circuit and gouging torch of gouging torch, particularly the plasma gouge rifle of a kind of plasma gouge high-frequency circuit and composition thereof.
[background technology]
In the high frequency oscillation circuit engineering, the oscillator that forms with inductance and electric capacity produces oscillator signal, the high-frequency signal generation device of cutting machine keep-alive circuit, its circuit part comprises: signal source, signal booster part, high-voltage charge and discharge device, high-voltage signal output device form, high-frequency high-voltage signal need pass through cutting gun arc maintenance line, thereby realize starting the arc function.The scheme of available technology adopting is to get pwm pulse signal and through the device high voltage package of the boosting rectification of boosting from main transformer, adopt the discharge of spark discharge mouth, when voltage reaches discharge voltage, the discharge mouth begins discharge, the voltage of its discharge is 4.5KV (this voltage is subjected to distance affects) approximately, and the electric capacity of series connection and inductance form charging and discharging circuit, then are coupled to output loop through the striking device.
And with respect to plasma gouge rifle, electrode and nozzle distance and logical cutting gun be difference to some extent, and nozzle diameter is large, and it is larger that equal time flows through throughput, in this case for completing Arc, must have a kind of new high frequency to produce circuit and complete.
Generally speaking, shortcoming of the prior art is: high-frequency energy is low, poor through rifle line attenuation, arc starting performance; The concussion frequency is high, the external interference of easy generation; Arc transfer is poor, and the cutting gun line is short, operates restrictedly, is not suitable for long apart from operation.
[utility model content]
Have in order to overcome prior art that high-frequency energy is low, arc starting performance is poor, the cutting gun line is short, operate restrictedly, be not suitable for long shortcoming apart from operation, the first purpose of the present utility model is to provide a kind of plasma gouge high-frequency circuit.
The second purpose of the present utility model is to provide a kind of gouging torch that forms according to above-mentioned plasma gouge high-frequency circuit.
The technical scheme that above-mentioned the first technical problem that solves the utility model adopts is:
A kind of plasma gouge high-frequency circuit is provided, it comprises pwm signal generation circuit, high voltage step-up circuit, spark discharge circuit, oscillating circuit, striking device coupling circuit and the output loop that connects successively, described striking device coupling circuit is that a former limit is serially connected with oscillating circuit, the striking device L1 that secondary is connected with output loop, described striking device L1 adopts the ultracrystallite magnetic core.
Further, described pwm signal generation circuit comprises a main transformer X3, a coil around described main transformer X3, and one be connected and be used for controlling the switch main circuit that described high voltage step-up circuit is provided pwm signal with coil.
Further, described switch main circuit comprises switch J1B, resistance R 2 and capacitor C 7, C8, described switch J1B is series between coil one end and high voltage step-up circuit, is series between the coil other end and high voltage step-up circuit after described resistance R 2 and capacitor C 7, C8 are parallel with one another.
Further, described high voltage step-up circuit is a high voltage package.
Further, described spark discharge circuit is a discharge mouth, and described discharge mouth is connected in parallel in high voltage step-up circuit outlet side two ends.
Further, described oscillating circuit comprises capacitor C 1, C2, C3 and resistance R 1, described capacitor C 1, C2, C3 are parallel with one another, and are connected with high voltage step-up circuit outlet side one end, and described resistance R 1 is connected in series between the high voltage step-up circuit outlet side other end and spark discharge circuit.
Further, the no-load voltage ratio of described striking device L1 is 2:9.
Further, described output loop comprises capacitor C 4, C5, C6, switch S 1, negative output terminal D1, positive output terminal D2 and arc maintenance terminal D3, described capacitor C 4 one ends connect striking device L1 secondary one end and capacitor C 5 one ends, capacitor C 4 other end ground connection, capacitor C 5 other ends connect capacitor C 6 one ends, switch S 1 one ends and positive output terminal D2, capacitor C 6 other ends, switch S 1 other end connect arc maintenance terminal D3, and negative output terminal D1 connects the striking device L1 secondary other end.
The technical scheme that above-mentioned the second technical problem that solves the utility model adopts is:
A kind of plasma gouge rifle that forms according to above-mentioned plasma gouge high-frequency circuit is provided, comprises the gouging torch body, and described gouging torch body is connected with output loop in plasma gouge high-frequency circuit.
Further, the gun electrode that connects of described gouging torch body is connected with the negative output terminal D1 of output loop, and the rifle nozzle that connects of gouging torch body is connected with the arc maintenance terminal D3 of output loop.
With respect to plasma gouge high-frequency circuit of the prior art and gouging torch, the beneficial effects of the utility model are: the high-frequency energy of plasma gouge high-frequency circuit is high, arc starting performance is strong, and the concussion frequency is high, the external interference of easy generation; Arc transfer is poor; It is applied in plasma gouge rifle, has the cutting gun line length, easy to operate, be fit to long advantage apart from operation.
[description of drawings]
Fig. 1. the frame diagram of plasma gouge high-frequency circuit of the present utility model;
Fig. 2. the physical circuit figure of plasma gouge high-frequency circuit of the present utility model;
Fig. 3. the frame diagram of the plasma gouge rifle of the composition of plasma gouge high-frequency circuit of the present utility model.
[specific embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
Consult shown in Fig. 1-2, the utility model provides a kind of plasma gouge high-frequency circuit, it comprises pwm signal generation circuit 1, high voltage step-up circuit 2, spark discharge circuit 3, oscillating circuit 4, striking device coupling circuit 5 and the output loop 6 that connects successively, described striking device coupling circuit 5 is that a former limit is serially connected with oscillating circuit 4, the striking device L1 that secondary is connected with output loop 6, described striking device L1 adopts the ultracrystallite magnetic core.
Concrete, in the utility model: described pwm signal generation circuit 1 comprises a main transformer X3, a coil around described main transformer X3, and one be connected with coil and be used for control and described high voltage step-up circuit 2 is provided the switch main circuit of pwm signal; Described switch main circuit comprises switch J1B, resistance R 2 and capacitor C 7, C8, described switch J1B is series between coil one end and high voltage step-up circuit 2, is series between the coil other end and high voltage step-up circuit 2 after described resistance R 2 and capacitor C 7, C8 are parallel with one another; Described high voltage step-up circuit 2 is a high voltage package; Described spark discharge circuit 3 is a discharge mouth, and described discharge mouth is connected in parallel in high voltage step-up circuit 2 outlet side two ends; Described oscillating circuit 4 comprises capacitor C 1, C2, C3 and resistance R 1, described capacitor C 1, C2, C3 are parallel with one another, and be connected with high voltage step-up circuit 2 outlet side one ends, described resistance R 1 is connected in series between the high voltage step-up circuit 2 outlet side other ends and spark discharge circuit 3; The no-load voltage ratio of described striking device L1 is 2:9; Described output loop 6 comprises capacitor C 4, C5, C6, switch S 1, negative output terminal D1, positive output terminal D2 and arc maintenance terminal D3, described capacitor C 4 one ends connect striking device L1 secondary one end and capacitor C 5 one ends, capacitor C 4 other end ground connection, capacitor C 5 other ends connect capacitor C 6 one ends, switch S 1 one ends and positive output terminal D2, capacitor C 6 other ends, switch S 1 other end connect arc maintenance terminal D3, and negative output terminal D1 connects the striking device L1 secondary other end.
Consult shown in Figure 3ly, the utility model also provides a kind of plasma gouge rifle that forms according to above-mentioned plasma gouge high-frequency circuit, and it comprises the gouging torch body, and described gouging torch body is connected with output loop 6 in plasma gouge high-frequency circuit; Be specially: the gun electrode that connects of described gouging torch body is connected with the negative output terminal D1 of output loop 6, and the rifle nozzle that connects of gouging torch body is connected with the arc maintenance terminal D3 of output loop 6.
Wherein: the operation principle of plasma gouge high-frequency circuit is: press switch main circuit, make it that work be arranged, pwm signal generation circuit 1 is got a signal voltage from main transformer, and its voltage is 30V, frequency 15KHZ approximately, is high voltage package through the paramount voltage rise volt circuit 2 of coupling capacitance; Its signal through high voltage package boost, 3 2.2NF/10KV capacitor C 1 are given in inner rectification, C2, C3 charging, its size of resistance R 1(is 510K) for the electric current of limit circuit; When spark discharge circuit 3 namely discharges the voltage at mouth two ends when reaching 4.5KV, the discharge mouth begins discharge, (distance affects discharged between mouth is pressed in discharge) the former limit of empty and striking device L1 inductance forms discharge loop for charged electrical, while striking device L1 with Energy Coupling to output loop 6.
Wherein: the operation principle of plasma gouge rifle is: plasma gouge rifle one end (connecing gun electrode) is connected with negative output terminal D1, one end connects the rifle nozzle with the sub-D3(of arc maintenance terminal) be connected, high-frequency signal is through out-of-date, and striking merit merit is completed in electrode and the discharge of nozzle place's generation high-frequency and high-voltage.
After the utility model adopted above-mentioned scheme: the high-frequency energy of its plasma gouge high-frequency circuit was high, arc starting performance is strong, and the concussion frequency is high, the external interference of easy generation; Arc transfer is poor; And ion gouge high-frequency circuit is applied in plasma gouge rifle, has the cutting gun line length, easy to operate, be fit to long advantage apart from operation.
Foregoing detailed description is only exemplary description, and those skilled in the art can design various embodiments according to different actual needs in the situation that do not break away from the scope and spirit that the utility model is protected.
Claims (10)
1. plasma gouge high-frequency circuit, it comprises pwm signal generation circuit (1), high voltage step-up circuit (2), spark discharge circuit (3), oscillating circuit (4), striking device coupling circuit (5) and the output loop (6) that connects successively, it is characterized in that: described striking device coupling circuit (5) is that a former limit is serially connected with oscillating circuit (4), the striking device (L1) that secondary is connected with output loop (6), described striking device (L1) adopts the ultracrystallite magnetic core.
2. plasma gouge high-frequency circuit according to claim 1, it is characterized in that: described pwm signal generation circuit (1) comprises a main transformer (X3), one coil around described main transformer (X3), and one be connected and be used for controlling the switch main circuit that described high voltage step-up circuit (2) is provided pwm signal with coil.
3. plasma gouge high-frequency circuit according to claim 2, it is characterized in that: described switch main circuit comprises switch (J1B), resistance (R2) and electric capacity (C7, C8), described switch (J1B) is series between coil one end and high voltage step-up circuit (2), is series between the coil other end and high voltage step-up circuit (2) after described resistance (R2) and electric capacity (C7), (C8) are parallel with one another.
4. plasma gouge high-frequency circuit according to claim 1, it is characterized in that: described high voltage step-up circuit (2) is a high voltage package.
5. plasma gouge high-frequency circuit according to claim 1 is characterized in that: described spark discharge circuit (3) is a discharge mouth, and described discharge mouth is connected in parallel in high voltage step-up circuit (2) outlet side two ends.
6. plasma gouge high-frequency circuit according to claim 1, it is characterized in that: described oscillating circuit (4) comprises electric capacity (C1, C2, C3) and resistance (R1), (C1, C2, C3) is parallel with one another for described electric capacity, and be connected with high voltage step-up circuit (2) outlet side one end, described resistance (R1) is connected in series between high voltage step-up circuit (2) the outlet side other end and spark discharge circuit (3).
7. plasma gouge high-frequency circuit according to claim 1, it is characterized in that: the no-load voltage ratio of described striking device (L1) is 2:9.
8. according to claim 1-7 described plasma gouge of any one high-frequency circuits, it is characterized in that: described output loop (6) comprises electric capacity (C4, C5, C6), switch (S1), negative output terminal (D1), positive output terminal (D2) and arc maintenance terminal (D3), described electric capacity (C4) end connects striking device (L1) secondary one end and electric capacity (C5) end, electric capacity (C4) other end ground connection, electric capacity (C5) other end connects electric capacity (C6) end, switch (S1) end and positive output terminal (D2), electric capacity (C6) other end, switch (S1) other end connects arc maintenance terminal (D3), negative output terminal (D1) connects striking device (L1) the secondary other end.
9. use the plasma gouge rifle of plasma gouge high-frequency circuit as claimed in claim 1 for one kind, comprise gouging torch body (7), it is characterized in that: described gouging torch body (7) is connected with output loop (6) in described plasma gouge high-frequency circuit.
10. plasma gouge rifle according to claim 9, it is characterized in that: the gun electrode that connects of described gouging torch body (7) is connected with the negative output terminal (D1) of output loop (6), and the rifle nozzle that connects of gouging torch body is connected with the arc maintenance terminal (D3) of output loop (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220621709XU CN202963766U (en) | 2012-11-21 | 2012-11-21 | Plasma gouging high-frequency circuit and plasma gouging torch comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220621709XU CN202963766U (en) | 2012-11-21 | 2012-11-21 | Plasma gouging high-frequency circuit and plasma gouging torch comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963766U true CN202963766U (en) | 2013-06-05 |
Family
ID=48504896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220621709XU Expired - Fee Related CN202963766U (en) | 2012-11-21 | 2012-11-21 | Plasma gouging high-frequency circuit and plasma gouging torch comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202963766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384691A (en) * | 2014-11-14 | 2015-03-04 | 大连华锐重工起重机有限公司 | Device for processing rope grooves of coiling block by utilizing plasma gouging and processing method of device |
| CN109877430A (en) * | 2019-03-05 | 2019-06-14 | 常州九圣焊割设备有限公司 | A method of the plasma arc gouge to be worked with pulsating direct current electric current |
-
2012
- 2012-11-21 CN CN201220621709XU patent/CN202963766U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384691A (en) * | 2014-11-14 | 2015-03-04 | 大连华锐重工起重机有限公司 | Device for processing rope grooves of coiling block by utilizing plasma gouging and processing method of device |
| CN109877430A (en) * | 2019-03-05 | 2019-06-14 | 常州九圣焊割设备有限公司 | A method of the plasma arc gouge to be worked with pulsating direct current electric current |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103248264B (en) | A kind of trigger for triggering Trigatron gas switch | |
| CN103458600A (en) | System producing atmospheric pressure dispersion discharging non-equilibrium plasma | |
| CN103475255B (en) | A kind of Marx generator of compact structure | |
| CN109995265B (en) | Program-controlled high-voltage repetition frequency nanosecond pulse power supply, system and control method | |
| CN104454288A (en) | Frequency-stabilization high-energy electronic ignition device | |
| CN203590071U (en) | Magnetron modulator of pulse transformer | |
| CN206356705U (en) | A kind of high-frequency and high-voltage arc ignition circuit | |
| CN202963766U (en) | Plasma gouging high-frequency circuit and plasma gouging torch comprising same | |
| CN201550090U (en) | Pulse modulator | |
| CN103104347B (en) | High energy solid state discharge igniting module | |
| CN103111719B (en) | High frequency arc ignition circuit with direct current voltage output | |
| CN105057822B (en) | High-voltage pulse deburring device | |
| CN203245482U (en) | High-frequency arc starting circuit with direct-current voltage output | |
| CN215675296U (en) | Ignition device with adjustable ignition parameters | |
| CN202076675U (en) | High-voltage trigger equipment for spherical gap spark switch | |
| CN202804443U (en) | Electric welding machine arc-ignition apparatus | |
| CN101298109B (en) | Striking device suitable for welding and cutting equipment | |
| CN109448951A (en) | A kind of degausser of solid state pulse modulator | |
| CN103731965A (en) | Drive circuit for achieving good flickering effect of pulse xenon lamp | |
| CN103737153B (en) | High-frequency arc ignition circuit | |
| CN203214172U (en) | High-energy solid-state discharge ignition module | |
| CN107069421B (en) | For high-repetition-rate excimer laser without the efficient exciting circuit of secondary discharge | |
| CN104942403A (en) | Commercial power synchronous 50HZ high-voltage pulse arc starter | |
| CN206194523U (en) | High -energy ignition coil | |
| CN207560426U (en) | A kind of novel high-frequency arc ignition control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20211121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |