CN111318792A - Built-in air compressor machine plasma cutting machine who takes drying mechanism - Google Patents

Built-in air compressor machine plasma cutting machine who takes drying mechanism Download PDF

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Publication number
CN111318792A
CN111318792A CN201811534316.3A CN201811534316A CN111318792A CN 111318792 A CN111318792 A CN 111318792A CN 201811534316 A CN201811534316 A CN 201811534316A CN 111318792 A CN111318792 A CN 111318792A
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China
Prior art keywords
capacitor
plasma cutting
resistor
power supply
parallel connection
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CN201811534316.3A
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Chinese (zh)
Inventor
于磊
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Xuancheng Huiyuan Material Technology Co ltd
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Xuancheng Huiyuan Material Technology Co ltd
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Priority to CN201811534316.3A priority Critical patent/CN111318792A/en
Publication of CN111318792A publication Critical patent/CN111318792A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00Welding or cutting by means of a plasma
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00Welding or cutting by means of a plasma
    • B23K10/006Control circuits therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/44Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/22Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Plasma Technology (AREA)

Abstract

The invention discloses a plasma cutting machine with a built-in air compressor with a drying mechanism, which comprises a power line and a main switch, wherein the power line penetrates through the main switch to be electrically connected with a mainboard, an external interface of the mainboard is respectively connected with a single-phase rectifier bridge, a fan, a temperature switch, an electromagnetic valve, an air compressor and a plasma cutting gun through control lines, a gun switch for controlling is installed in the plasma cutting gun, the plasma cutting machine inputs the power line to be connected with commercial power, the main switch is turned on, the plasma cutting machine is in a standby state, when the gun switch is pressed down, a plasma arc striking generator starts to work, when the gun switch 10 is released, the plasma cutting starts to start main current to stop outputting, the air compressor with the drying mechanism can provide dry air to enable a cutting seam to be smooth and provide cutting efficiency and effect, the plasma cutting machine is convenient to use, has small volume, light weight, convenient movement, the air is automatically transited.

Description

Built-in air compressor machine plasma cutting machine who takes drying mechanism
Technical Field
The invention relates to a plasma cutting machine, in particular to a plasma cutting machine with a built-in air compressor with a drying mechanism.
Background
When the existing plasma cutting machine is used for cutting, the plasma cutting machine can normally cut only by externally connecting an air compressor, in addition, the externally connected air compressor is not provided with a drying mechanism, and blown air contains moisture, so that the defects are inconvenient, and if the plasma cutting machine is used for household or is frequently moved, the plasma cutting machine needs to be moved in a matched manner; the air filter is complex, the wiring is not simple, the connection is not easy, air leakage is easy, and the air filter is added; the external air compressor has a disc which is large in volume, heavy and loud in bath sound; the blown gas has moisture, which causes uneven cutting seams and influences the cutting effect.
Disclosure of Invention
The invention aims to provide a plasma cutting machine with a built-in air compressor with a drying mechanism, which has the advantages of improving cutting efficiency and effect, along with convenient use, instant use after power plug, small volume and light weight, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a built-in dry mechanism air compressor machine plasma cutting machine of taking, includes power cord and main switch, the power cord passes main switch and mainboard electric connection, and the external interface of mainboard is respectively through control line and single-phase rectifier bridge, fan, temperature switch, solenoid valve, air compressor and plasma cutting rifle electric connection, installs the rifle switch that is used for control in the plasma cutting rifle.
Preferably, a power switch, an EMC circuit, a buffer circuit, a silicon bridge, a PFC main circuit, a PFC control circuit, a filter capacitor, an inverter, a main transformer, a Hall sensor, a relay, a current transformer, an isolation transformer, a control panel, a PWM control part, an IGBT drive part, an auxiliary power supply and an auxiliary power supply rectification part are soldered on the main board, the power switch is connected with the EMC circuit, the EMC circuit is connected with a port of the auxiliary power supply rectification part, the other port of the auxiliary power supply rectification part is connected with the PFC control circuit, the PFC control circuit is electrically connected with the PFC main circuit, two ports of the PFC main circuit are respectively electrically connected with the silicon bridge and the filter capacitor, the other port of the filter capacitor is electrically connected with the inverter, ports of the inverter are respectively electrically connected with the main transformer, the current transformer and the IGBT drive part, and the current transformer and the IGBT drive part are both, the port of the main transformer is also connected with a Hall sensor, the two ports of the Hall sensor are respectively electrically connected with the relay and the control panel, and the isolation transformer is connected on the control panel.
Preferably, pin 1 of UC3843 switching power supply U1 in the auxiliary power supply is connected in parallel with a parallel connection port of resistor R56 and capacitor C38, pin 2 of UC3843 switching power supply U1 is connected in parallel with the other end of the interface between resistor R1 and capacitor C1 and connected in series with resistor R1, the other end of resistor R1 is connected in parallel with the parallel connection port of resistor R1 and photocoupler U1, terminal 3 of photocoupler U1 is connected in parallel with the parallel connection port of capacitor C1 and resistor R1, the other end of resistor R1 is connected in series with zener diode ZD 1 and connected in 24V, terminal 2 of photocoupler U1 is connected with diode D1, capacitor C1, pin 7 of UC3843 switching power supply U1, resistor R1 and the parallel connection port of capacitor R1, the other end of resistor R1 is connected in series with resistor R1, diode D1 is connected with another transformer T1 of diode D1, said UC3843 switching power supply U1 is connected in parallel connection port with a resistor VT, and a resistor R1, and a parallel connection port of resistor R1, the grid of a field effect transistor VT5 is connected with a parallel connection port of a resistor R78 and a voltage stabilizing diode ZD3, the other end of the resistor R78 is connected with a UC3843 switching power supply U1 pin 6, the drain of the field effect transistor VT5 is connected with a parallel connection port of a diode D16 and a transformer T3, a diode D16 parallel connection resistor R55 and one end of a capacitor C43, a resistor R51 and a capacitor C35 are respectively connected with a pin 3 of a CON4 connector XS1, the other end of the diode D3 is connected with a transformer T3, a pin 4 of a CON4 connector XS1 is connected with a DC310V, one end of a secondary coil at the other end of the transformer T3 is connected with a parallel connection port of a diode D19 and a diode D24, the other end of the secondary coil is connected with a diode D21 in series with a parallel connection port of a capacitor C66 and a capacitor C69, a diode D19, a diode D24, a capacitor C67 and a parallel connection port of a capacitor LM 67 are connected with a capacitor LM 67, a parallel connection port 67 and a capacitor L67 are connected with a parallel connection port 67, a pin 5 of the UC3843 switching power supply U1 is connected with a parallel connection port of a power supply cathode and a capacitor C40, a pin 4 of the UC3843 switching power supply U1 is connected with the other end of the capacitor C40, and the other end of the resistor R57 is connected with a parallel connection port of a pin 8 of the UC3843 switching power supply U1 and a capacitor C39.
Preferably, the plasma cutting gun and the gun switch constitute a plasma cutting machine.
Compared with the prior art, the invention has the beneficial effects that: this built-in air compressor machine plasma cutting machine of taking drying mechanism, the plasma cutting machine input power cord is connected the commercial power, open the main switch, plasma cutting machine standby state, when pressing the rifle switch, plasma cutting starts, plasma arc generator on the mainboard begins to work after 0.5 time delay, puncture electrode and nozzle on the plasma cutting, when loosening rifle switch 10, plasma cutting starts main current and stops the output, plasma cutting rifle electric arc breaks the arc, close after 12 seconds delay, the purpose is cooling plasma cutting rifle, take drying mechanism air compressor can provide dry air, make the cutting seam level and smooth, provide cutting efficiency and effect, high durability and convenient use, insert the electricity and use, small, light in weight, it is convenient to move, the noise is little, air automatic transition.
Drawings
FIG. 1 is an overall connection diagram of the present invention;
FIG. 2 is a diagram of the interconnection of the motherboard according to the present invention;
FIG. 3 is a circuit diagram of an auxiliary power supply according to the present invention;
fig. 4 is a working diagram of the present invention.
In the figure: the power supply line is 1, the main switch is 2, the main board is 3, the single-phase rectifier bridge is 4, the fan is 5, the temperature switch is 6, the electromagnetic valve is 7, the air compressor is 8, the plasma cutting gun is 9, the gun switch is 10, the power switch is 11, the EMC circuit is 12, the buffer circuit is 13, the silicon bridge is 14, the main PFC circuit is 15, the PFC control circuit is 16, the filter capacitor is 17, the inverter is 18, the main transformer is 19, the Hall sensor is 20, the relay is 21, the current transformer is 22, the isolation transformer is 23, the control board is 24, the PWM control part is 25, the IGBT driving part is 26, the auxiliary power supply and auxiliary.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a plasma cutting machine with a built-in air compressor with a drying mechanism comprises a power line 1 and a main switch 2, wherein the power line 1 penetrates through the main switch 2 to be electrically connected with a main board 3, an external interface of the main board 3 is electrically connected with a single-phase rectifier bridge 4, a fan 5, a temperature switch 6, an electromagnetic valve 7, an air compressor 8 and a plasma cutting gun 9 respectively through control lines, a gun switch 10 for control is installed in the plasma cutting gun 9, the power line 1, the main switch 2, the main board 3, the single-phase rectifier bridge 4, the fan 5, the temperature switch 6 and the electromagnetic valve 7 form a power supply part of the plasma cutting machine, the air compressor is an air source and provides a drying air part, and the plasma cutting gun 9 is a part for completing plasma cutting.
Referring to fig. 2-4, a power switch 11, an EMC circuit 12, a buffer circuit 13, a silicon bridge 14, a PFC main circuit 15, a PFC control circuit 16, a filter capacitor 17, an inverter 18, a main transformer 19, a hall sensor 20, a relay 21, a current transformer 22, an isolation transformer 23, a control board 24, a PWM control portion 25, an IGBT driving portion 26, an auxiliary power supply 27, and an auxiliary power supply rectifying portion 28 are soldered on the main board 3, the power switch 11 is connected to the EMC circuit 12, the EMC circuit 12 is connected to a port of the auxiliary power supply rectifying portion 28, another port of the auxiliary power supply rectifying portion 28 is connected to the PFC control circuit 16, the PFC control circuit 16 is electrically connected to the PFC main circuit 15, two ports of the PFC main circuit 15 are respectively electrically connected to the silicon bridge 14 and the filter capacitor 17, another port of the filter capacitor 17 is electrically connected to the inverter 18, and a port of the inverter 18 is respectively connected to, The current transformer 22 is electrically connected with the IGBT driving part 26, the current transformer 22 and the IGBT driving part 26 are both electrically connected with the PWM control part 25, a Hall sensor 20 is further connected to a port of the main transformer 19, two ports of the Hall sensor 20 are respectively electrically connected with the relay 21 and the control panel 24, the isolation transformer 23 is connected to the control panel 24, a plasma cutting power line is connected to a mains supply 220v, the main switch 2 cuts off a plasma cutting power supply and separates a power grid from a plasma cutting machine, the single-phase rectifier bridge 4 rectifies alternating current into direct current, the direct current is then sent to the main board 3, the main board 3 is controlled by the control panel 24 to carry out inversion isolation rectification and constant current output, the constant current is sent to the plasma cutting gun 9, and arc striking cutting is carried out after a compressor is.
A UC3843 switching power supply U in the auxiliary power supply 27 is characterized in that a pin 1 of the UC3843 switching power supply U is connected with a parallel connection port of a resistor R and a capacitor C in parallel, a pin 2 of the UC3843 switching power supply U is connected with the other end of an interface of the resistor R and the capacitor C in series and connected with the resistor R in series, the other end of the resistor R is connected with a parallel connection port of the resistor R and the capacitor R in series, a terminal corner 3 of the photoelectric coupler U is connected with a voltage stabilizing diode ZD in series and connected with 24V in series, a terminal corner 2 of the photoelectric coupler U is connected with a diode D, the capacitor C, a pin 7 of the UC3843 switching power supply U, the resistor R and the capacitor R in parallel connection, the other end of the resistor R is connected with a resistor R, the other end of the diode D is connected with a transformer T, a pin 3 of the UC3843 switching power supply U is connected with a parallel connection port of the capacitor C and the resistor R in parallel connection, the, the other end of the resistor R is connected with a pin 6 of a UC3843 switching power supply U, the drain electrode of the field effect transistor VT is connected with a parallel connection port of a diode D and a transformer T, one end of a parallel resistor R of the diode D and a capacitor C, one end of the resistor R and one end of the capacitor C are respectively connected with a pin 3 of a CON connector XS, the other end of the resistor R is connected with the transformer T, a pin 4 of the CON connector XS is connected with a DC310, one end of a secondary coil at the other end of the transformer T is connected with the parallel connection port of the diode D and the diode D, the other end of the secondary coil is connected with a parallel connection port of the diode D and the capacitor C in series, the diode D, the capacitor C and the capacitor C are connected with a pin 1 of an LM2576 voltage stabilizer U, a pin 2 of the LM2576 voltage stabilizer U is connected with a parallel connection port of an inductor L and a pin D, the, pin 4 of UC3843 switching power supply U1 is connected to the other end of capacitor C40, and series resistor R57 is connected to the parallel connection port of pin 8 of UC3843 switching power supply U1 and capacitor C39.
The plasma cutting machine is composed of a plasma cutting gun 9 and a gun switch 10, an input power line 1 of the plasma cutting machine is connected with a mains supply, a main switch 2 is turned on, the plasma cutting machine is powered on, a panel display lamp is turned on, a fan 4 starts to rotate, at the moment, the plasma cutting gun 9 does not output, an air compressor 8 does not work, and the plasma cutting machine is in a standby state.
When a gun switch 10 is pressed, plasma cutting is started, a plasma cutting gun 9 outputs, an 8-air compressor 8 starts to work at the moment, a 24V direct-current electromagnetic valve also starts to work, compressed air is sprayed out of the plasma cutting gun 9, a plasma arc striking generator on a main board 3 starts to work after 0.5 of delay time, an electrode and a nozzle on the plasma cutting are broken down, the plasma cutting gun 9 has electric arc spraying, and the plasma cutting gun 9 is moved to work to cut.
When the gun switch 10 is loosened, the plasma cutting starts the main current to stop outputting, the arc of the plasma cutting gun is broken, the main board 3 is not arranged, the air compressor 8 and the 24V direct current electromagnetic valve 7 are closed after the delay time of 12 seconds, and the purpose is to cool the plasma cutting gun.
Example two:
the plasma cutting power supply has the function of providing energy for the plasma cutting gun, and the parameters are as shown in the figure:
Figure BDA0001906482580000061
Figure BDA0001906482580000071
functional test I: under rated power supply voltage, the output current node function is effective and the current regulation range is 230V +/-15%: CUT40 Current 20-40A;
and (4) functional test II: under rated power supply voltage, no load is 255V, the arc striking function is normal, the arc striking is easy, and the high-frequency arc striking effect is good;
load duration test (heat dissipation and temperature rise): rated output at 230V, 35% load duration rate, 120 minutes of work, no action of the temperature relay in the whole process, and no failure of the IGBT tube due to the fact that the IGBT tube can bear work;
network pressure fluctuation adaptability: the network voltage is 196V, under the rated state, the working state is not abnormal, and the driving voltage is normal; the network pressure is 265V: the working state is normal. Under the rated output state, the generator is used as an input power supply, the full-range current is cut, and the working state is normal.
Take dry mechanism air compressor can provide dry air, makes the cutting seam level and smooth, provides cutting efficiency and effect, and convenient to use inserts the electricity and uses promptly, and is small, light in weight, and it is convenient to remove, and the noise is little, the automatic transition of air.
In summary, according to the plasma cutting machine with the built-in air compressor with the drying mechanism, the input power line 1 of the plasma cutting machine is connected with commercial power, the main switch 2 is turned on, the plasma cutting machine is in a standby state, when the gun switch 10 is pressed, the plasma cutting is started, the plasma arc generator on the main board 3 starts to work after 0.5 of delay, an electrode and a nozzle on the plasma cutting are punctured, when the gun switch 10 is released, the main current stops outputting when the plasma cutting is started, the arc of the plasma cutting gun is broken, and the plasma cutting gun is turned off after 12 seconds of delay, so that the plasma cutting gun is cooled, the air compressor with the drying mechanism can provide dry air, the cutting seam is smooth, the cutting efficiency and the cutting effect are provided, the use is convenient, the plug-in use is realized, the volume is small, the weight is light, the movement is convenient, the noise is.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (4)

1. The utility model provides a built-in dry mechanism air compressor machine plasma cutting machine of taking, includes power cord (1) and main switch (2), its characterized in that: the power cord (1) passes main switch (2) and mainboard (3) electric connection, and the external interface of mainboard (3) is respectively through control line and single-phase rectifier bridge (4), fan (5), temperature switch (6), solenoid valve (7), air compressor (8) and plasma cutting rifle (9) electric connection, installs rifle switch (10) that are used for control in plasma cutting rifle (9).
2. The plasma cutting machine with the built-in air compressor and the drying mechanism as claimed in claim 1, wherein: a power switch (11), an EMC circuit (12), a buffer circuit (13), a silicon bridge (14), a PFC main circuit (15), a PFC control circuit (16), a filter capacitor (17), an inverter (18), a main transformer (19), a Hall sensor (20), a relay (21), a current transformer (22), an isolation transformer (23), a control panel (24), a PWM control part (25), an IGBT drive part (26), an auxiliary power supply (27) and an auxiliary power supply rectification part (28) are soldered on the main board (3), the power switch (11) is connected with the EMC circuit (12), the EMC circuit (12) is connected with a port of the auxiliary power supply rectification part (28), the other port of the auxiliary power supply rectification part (28) is connected with the PFC control circuit (16), the PFC control circuit (16) is electrically connected with the PFC main circuit (15), two ports of the PFC main circuit (15) are respectively electrically connected with the silicon bridge (14) and the filter capacitor (17), the other port of the filter capacitor (17) is electrically connected with the inverter (18), the ports of the inverter (18) are respectively electrically connected with the main transformer (19), the current transformer (22) and the IGBT driving part (26) are both electrically connected with the PWM control part (25), the port of the main transformer (19) is further connected with the Hall sensor (20), two ports of the Hall sensor (20) are respectively electrically connected with the relay (21) and the control panel (24), and the isolation transformer (23) is connected with the control panel (24).
3. The plasma cutting machine with the built-in air compressor and the drying mechanism as claimed in claim 2, wherein: a pin 1 of a UC3843 switching power supply U1 in the auxiliary power supply (27) is connected with a parallel connection port of a resistor R56 and a capacitor C38, a pin 2 of the UC3843 switching power supply U1 is connected with the other end of an interface of the resistor R1 and the capacitor C1 in parallel and connected with the resistor R1 in series, the other end of the resistor R1 is connected with a parallel connection port of the resistor R1 and a photoelectric coupler U1, a terminal 3 of the photoelectric coupler U1 is connected with a parallel connection port of the capacitor C1 and the resistor R1, the other end of the resistor R1 is connected with a Zener diode ZD 1 in series, a terminal 2 of the photoelectric coupler U1 is connected with a diode D1, the capacitor C1, a pin 7 of the UC3843 switching power supply U1, the resistor R1 and the parallel connection port of the capacitor R1, the other end of the UC3843 switching power supply U1 is connected with a parallel connection port of the resistor VT 3 and a resistor VT 1, and a field effect transistor of the resistor R1, the grid of a field effect transistor VT5 is connected with a parallel connection port of a resistor R78 and a voltage stabilizing diode ZD3, the other end of the resistor R78 is connected with a UC3843 switching power supply U1 pin 6, the drain of the field effect transistor VT5 is connected with a parallel connection port of a diode D16 and a transformer T3, a diode D16 parallel connection resistor R55 and one end of a capacitor C43, a resistor R51 and a capacitor C35 are respectively connected with a pin 3 of a CON4 connector XS1, the other end of the diode D3 is connected with a transformer T3, a pin 4 of a CON4 connector XS1 is connected with a DC310V, one end of a secondary coil at the other end of the transformer T3 is connected with a parallel connection port of a diode D19 and a diode D24, the other end of the secondary coil is connected with a diode D21 in series with a parallel connection port of a capacitor C66 and a capacitor C69, a diode D19, a diode D24, a capacitor C67 and a parallel connection port of a capacitor LM 67 are connected with a capacitor LM 67, a parallel connection port 67 and a capacitor L67 are connected with a parallel connection port 67, a pin 5 of the UC3843 switching power supply U1 is connected with a parallel connection port of a power supply cathode and a capacitor C40, a pin 4 of the UC3843 switching power supply U1 is connected with the other end of the capacitor C40, and the other end of the resistor R57 is connected with a parallel connection port of a pin 8 of the UC3843 switching power supply U1 and a capacitor C39.
4. The plasma cutting machine with the built-in air compressor and the drying mechanism as claimed in claim 1, wherein: the plasma cutting machine is composed of the plasma cutting gun (9) and the gun switch (10).
CN201811534316.3A 2018-12-14 2018-12-14 Built-in air compressor machine plasma cutting machine who takes drying mechanism Pending CN111318792A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101168211A (en) * 2007-11-30 2008-04-30 辽河石油勘探局 Function expansion method for plasma digital control cutting machine
CN201878036U (en) * 2010-11-16 2011-06-22 深圳华意隆电气股份有限公司 Inverter-type welding and cutting power supply with PFC function
CN203206118U (en) * 2013-05-02 2013-09-18 杭州电子科技大学 Efficient DC/DC boost converting circuit
CN205324961U (en) * 2015-12-28 2016-06-22 浙江肯得机电股份有限公司 Single tube IGBT industrial grade contravariant air plasma arc cutting machine
CN106695095A (en) * 2017-03-06 2017-05-24 宁夏吴忠市好运电焊机有限公司 Built-in air pump integrated inverted type plasma cutting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101168211A (en) * 2007-11-30 2008-04-30 辽河石油勘探局 Function expansion method for plasma digital control cutting machine
CN201878036U (en) * 2010-11-16 2011-06-22 深圳华意隆电气股份有限公司 Inverter-type welding and cutting power supply with PFC function
CN203206118U (en) * 2013-05-02 2013-09-18 杭州电子科技大学 Efficient DC/DC boost converting circuit
CN205324961U (en) * 2015-12-28 2016-06-22 浙江肯得机电股份有限公司 Single tube IGBT industrial grade contravariant air plasma arc cutting machine
CN106695095A (en) * 2017-03-06 2017-05-24 宁夏吴忠市好运电焊机有限公司 Built-in air pump integrated inverted type plasma cutting machine

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