CN2203201Y - Controllable oxyhydrogen welding and cutting machine - Google Patents

Abstract

The utility model relates to a controllable oxyhydrogen welding and cutting machine. A bridge rectifying power supply is arranged in a machine body; an oxyhydrogen separate type generator is formed by that a plurality of groups of composite electrolytic units are connected in series; two combined sheet frames are arranged in the composite electrolytic units; the upper parts of the combined sheet frames are provided with the channels of oxyhydrogen chambers, the lower parts are provided with the channels of water chambers, and the middle parts are provided with electrolytic channels; electrode plates with double faces are arranged between the electrolytic channels, and the external side of the electrolytic channels are provided with electrode plates with a single face; an oxyhydrogen gas separator is arranged between each two electrode plates; one side of the oxyhydrogen gas separator is a hydrogen generating chamber, and the other side is an oxygen generating chamber; heat radiation channels are reserved between adjacent composite electrolytic units; both ends of the oxyhydrogen separate type generator are provided with end plates.

Description

Controllable oxyhydrogen welding and cutting machine

The utility model relates to a kind of controlled oxyhydrogen welding and cutting machine, is to utilize brine electrolysis to produce hydrogen-oxygen to carry out the equipment of gas cutting and gas welding, and has welding set.

Chinese patent 93246061 discloses a kind of controlled oxyhydrogen welding and cutting machine, bridge rectification power is housed in body, hydrogen-oxygen separate type generator, this generator is by the sump of bottom, the many groups of compound tank houses at middle part and the hydrogen at top, oxygen bin constitute, flat double-face electrode and boxlike electrode are housed in this tank house, between per two electrodes, the hydrogen or oxygen gas separator is housed, oxygen bin is through the oxygen therapy air flue, the hydrogen storehouse is through defeated hydrogen road, respectively with flow process separately in condenser, gas-liquid processor, drier, pressure regulator valve, tempering valve be connected with welding torch.The utility model can be regulated air demand at any time, reaches flexible regulation and control hydrogen, oxygen proportion, has improved the welding quality, but the hydrogen-oxygen separate type generator architecture of this machine is complicated, regular maintenance inconvenience.

The purpose of this utility model is to propose a kind of improved controlled oxyhydrogen welding and cutting machine, this machine can not only be regulated the size of gas production at any time according to the needs of gas welding and gas cutting, and can regulate and control the ratio of hydrogen or oxygen gas flexibly, but also hydrogen-oxygen separate type generator architecture is oversimplified, overcome above-mentioned deficiency.

The purpose of this utility model is achieved in that a kind of controlled oxyhydrogen welding and cutting machine, organism, transformer and bridge rectification power are installed on it, hydrogen-oxygen separate type generator, gas-liquid pipeline and welding torch, its main points are, described hydrogen-oxygen separate type generator is composed in series by many groups composite electrolytic cell, two combination sheet frames are arranged in the described composite electrolytic cell, the top of combination sheet frame is provided with oxygen bin passage and hydrogen storehouse passage, the bottom of combination sheet frame is provided with the sump passage, the middle part of combination sheet frame is provided with the electrolysis passage, the electrolysis passage is communicated with by pipeline with the sump passage, between the electrolysis passage of two combination sheet frames the double-face electrode plate is housed, the single-side electrode plate is equipped with in the electrolysis passage outside of two combination sheet frames, be provided with the hydrogen or oxygen gas separator between per two battery lead plates, this separator one side is the hydrogen generation chamber, opposite side is the oxygen generation chamber, the hydrogen generation chamber is communicated with by air flue with hydrogen storehouse passage, the oxygen generation chamber is communicated with by air flue with the oxygen bin passage, leave heat dissipation channel between the adjacent composite electrolytic cell, end plate is equipped with at hydrogen-oxygen separate type generator two ends, the pipe joint with oxygen bin passage and hydrogen storehouse channel connection is equipped with respectively on end plate top, and the pipe joint with the sump channel connection is equipped with in the end plate bottom; Hydrogen storehouse passage is communicated with hydrogen gas condenser through defeated hydrogen road, this condenser is communicated with hydrogen gas-liquid process tank through defeated hydrogen road, and this process tank bottom is through the sump passage of reflux line bottom access hydrogen-oxygen separate type generator after the hydrogen gas condenser bottom pipe is in parallel; The oxygen bin passage is communicated with the oxygen condenser through the oxygen therapy air flue, this condenser is communicated with oxygen gas-liquid process tank through the oxygen therapy air flue, inserts the sump passage of hydrogen-oxygen separate type generator bottom after the return duct of this process tank bottom return duct bottom the oxygen condenser is in parallel; Described oxygen, hydrogen gas-liquid process tank bottom are filled with and purify waste water, and porous barrier is equipped with at the middle part, and gas-liquid separator is equipped with at the top, in the gas-liquid separator exit burst disk, pressure-relief valve, electro connecting pressure gauge is housed; There is the device for supplying of purifying waste water to insert hydrogen, oxygen gas-liquid process tank inlet respectively through pipeline; The hydrogen input port of described welding torch by the road with hydrogen gas-liquid process tank on the gas-liquid separator air supply opening together with, connect in this pipeline drier, pressure regulator valve and tempering valve, the oxygen input port of this welding torch, be communicated with connect in this pipeline drier, pressure regulator valve and tempering valve with gas-liquid separator air supply opening on the oxygen gas-liquid process tank by the road.Hydrogen or oxygen gas separator in the utility model only allows the electrolyte circulation of these separator both sides, and hydrogen that produces on the battery lead plate of both sides or oxygen can not mix through this separator, single-side electrode plate in the utility model and double-face electrode plate all adopt corrosion resistant plate to make, on anode surface, do the sandblast Nickel Plating Treatment, do blasting treatment on the cathode surface.Each electrolysis cells has two radiating surfaces, and the multi-disc fin is housed, and not only gas production is big but also perfect heat-dissipating.Can also be at the two ends of the pressure regulator valve in the oxygen input tube road, an automatic inflation pump in parallel, storage oxygen cylinder and oxygen gauge constitute storage oxygen device automatically.Flow of oxygen is little during the gas welding operation, can utilize automatic storage device that oxygen is stored, and flow of oxygen increases during gas cutting, deposit oxygen can be discharged, and increases oxygen supply.

In power circuit of the present utility model, can also add thyristor and receiver circuit, remote controlled transmitting circuit is installed on welding torch, utilize remote signal to regulate the power output of power supply, the gas production of control hydrogen-oxygen separate type generator.

Therefore, the utlity model has following advantage:

1, utilizes the hydrogen or oxygen gas separator that hydrogen, carrier of oxygen are separated, and on the oxygen road, add the automatic storage device of oxygen, regulate air demand at any time, reach flexible regulation and control hydrogen, oxygen proportion, guaranteed the welding quality.

2, composite electrolytic cell is made battery lead plate with corrosion resistant plate, and each composite electrolytic cell all has two radiating surfaces and multi-disc fin, and perfect heat-dissipating can work long hours.

3, hydrogen-oxygen separate type generator architecture is simple, handling ease, and low cost of manufacture is convenient to disassembly, cleaning, and is easy to maintenance, guaranteed gas production.

4, the device for supplying of purifying waste water can make the utility model use common running water, and prevents that heavy metal from depositing on battery lead plate.

5, the utility model battery lead plate coupling is reasonable, and decomposition voltage is suitable, can reduce power consumption, energy savings.

6, use is shaken the control signal and is regulated gas production at random, has improved operating efficiency, has guaranteed the welding quality, has saved electric energy again.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1, the utility model structural representation

Fig. 2, hydrogen-oxygen separate type generator architecture figure (Fig. 3 B-B cutaway view)

Fig. 3, hydrogen-oxygen separate type generator side view (Fig. 2 A is to view)

Fig. 4, composite electrolytic cell enlarged drawing (Fig. 2 enlarged drawing)

Fig. 5, silicon controlled rectification power source schematic diagram

Fig. 6, remote-controlled launcher circuit

Fig. 7, receiver circuit

Referring to accompanying drawing, the utility model have one long 70 centimetres, wide 40 centimetres, high 50 centimetres body, hydrogen-oxygen separate type generator is installed in body, for sake of convenience, body is saved, the each several part device is launched, described hydrogen-oxygen separate type generator 1 is composed in series by 12 groups of composite electrolytic cells 3, per 6 groups is row according to the general structure needs, two row are placed side by side, the combination sheet frame 2 that two RPVCs are arranged in every group of composite electrolytic cell, the top of combination sheet frame is provided with cylindrical shape oxygen storehouse passage 12 and hydrogen storehouse passage 11, the bottom of combination sheet frame is provided with cylindrical shape sump passage 13, the middle part of combination sheet frame is provided with rectangle electrolysis passage 7, the electrolysis passage is communicated with by pipeline 10 with the sump passage, between the electrolysis passage of two combination sheet frames double-face electrode plate 6 is housed, single-side electrode plate 5 is equipped with in the electrolysis passage outside of two combination sheet frames, between combination sheet frame and the battery lead plate, the oxygen bin passage, between the combination sheet frame at hydrogen storehouse passage and sump passage place and the combination sheet frame, " 0 " shape seal gasket 19 is housed, prevents the gas-liquid leakage.The double-face electrode plate adopts corrosion resistant plate, one side is done the sandblast Nickel Plating Treatment, another side is done blasting treatment, the single-side electrode plate adopts corrosion resistant plate, do the one side blasting treatment of electrode, another side is done Nickel Plating Treatment, is provided with hydrogen or oxygen gas separator 4 between per two battery lead plates, the hydrogen or oxygen gas separator is the nylon textile material of 0.15 millimeters thick, and available press strip is fitted in it in groove 38 of combination sheet frame.This separator one side is a hydrogen generation chamber 8, opposite side is an oxygen generation chamber 9, the hydrogen generation chamber is communicated with by air flue 14 with hydrogen storehouse passage, and the oxygen generation chamber is communicated with by air flue 15 with the oxygen bin passage, is full of concentration in this hydrogen, the oxygen generation chamber and is 20% potassium hydroxide electrolyte.Separate by isolating pad 37 between the adjacent composite electrolytic cell, form heat dissipation channel 16, multi-disc is housed on the single-side electrode plate of heat dissipation channel both sides props up muscle formula fin 18.The electrolysis operating temperature is remained on about 40 ℃-60 ℃.Metal end plate 17 is equipped with at hydrogen-oxygen separate type generator two ends, end plate can be a monoblock, also can be divided into three of upper, middle and lowers, shown in Figure 3 is three of upper, middle and lowers, rely on end plate and stay bolt 20 that 3 series connection of 6 groups of composite electrolytic cells are assembled, make the bottom of hydrogen-oxygen separate type generator constitute sump, the middle part constitutes the combined electrolysis chamber, the top constitutes hydrogen, oxygen bin, the pipe joint 39 with oxygen bin passage and hydrogen storehouse channel connection is equipped with respectively on end plate top, and the pipe joint with the sump channel connection is equipped with in the end plate bottom; Hydrogen storehouse passage is communicated with hydrogen gas condenser 22 through defeated hydrogen road 21, the hydrogen that electrolysis produces enters the expansion cooling suddenly later on of this condenser, the droplet of blending in gas separated from hydrogen, purer hydrogen enters hydrogen gas-liquid process tank 23 along the defeated hydrogen road of this condenser overhead, this process tank bottom is filled with pure water, it is contour that its liquid level position and combined electrolysis chamber liquid level keep, the hydrogen that enters this process tank can rise to this jar middle part after washing, at this jar middle part porous barrier 32 is housed, which is provided with hygroscopic agent, gas-liquid separator 35 also is equipped with at this process tank top, hydrogen is further purified behind hygroscopic agent and gas-liquid separator, and this process tank bottom is through the sump passage of reflux line 24 bottom inserting hydrogen-oxygen separate type generator after the hydrogen gas condenser bottom pipe is in parallel; Identical with hydrogen flow path, the oxygen bin passage is communicated with oxygen condenser 26, oxygen gas-liquid process tank 27 through oxygen therapy air flue 25, has the device for supplying 36 of purifying waste water to be communicated with hydrogen, oxygen gas-liquid process tank respectively through pipeline, at any time after-purification water in it.Purify waste water and ion exchange resin and exchange column are housed in the replenisher tank of device for supplying, be used for producing and purify waste water.Burst disk, pressure-relief valve 34, electro connecting pressure gauge 33 are equipped with in gas-liquid separator exit at hydrogen, oxygen gas-liquid process tank top, the normally closed interlock BJ-1 of this electro connecting pressure gauge is serially connected in the bridge rectification power loop, when the pressure in gas-liquid separator exit is higher than 3 kilograms, normally closed interlock BJ-1 opens and cuts off the electricity supply, and the utility model is quit work.The hydrogen inlet of welding torch 30 is communicated with gas-liquid separator air supply opening on the hydrogen gas-liquid process tank by the road, series connection drier 31, pressure regulator valve 28 and tempering valve 29 in this pipeline, the oxygen input port of this welding torch, be communicated with connect in this pipeline drier, pressure regulator valve and tempering valve with gas-liquid separator air supply opening on the oxygen gas-liquid process tank by the road.Can be at the two ends of the pressure regulator valve in the oxygen input tube road, an automatic inflation pump (40) in parallel, storage oxygen cylinder (41) and oxygen gauge (42) constitute storage oxygen device automatically.When welding, oxygen is excessive, and automatic inflation pump will start automatically according to the oxygen pressure signal, and to the inflation of storage oxygen cylinder, and oxygen demand increases when cutting, and the oxygen in the storage oxygen cylinder can in time discharge again for cutting and use.Also can not be equipped with automatic storage oxygen device, and near welding torch, add a flow divider, in welding process, unnecessary oxygen can be bled off.The dc source that present embodiment uses is to be made of common transformer B, bridge rectifier BR, regulates more conveniently for electric current, voltage parameter that dc source is provided, can also use silicon controlled rectification power source.Two of present embodiment is exactly a controlled oxyhydrogen welding and cutting machine that uses silicon controlled rectification power source, this machine can use common transformer, also can use the A.C. welder core transformer, if use the electric welding machine core transformer, then this machine can not only gas welding, has also increased the electric welding function, and this machine can also be installed a remote control transmitter 43 on welding torch, receiver circuit is installed in SCR rectification circuit, can be realized the gas production of STOCHASTIC CONTROL hydrogen-oxygen separate type generator.

In silicon controlled rectification power source circuit 44, the 220V alternating current connects the elementary of electric welding machine core transformer B1, the alternating current about the secondary two ends output 70V of B1.Constitute single-phase full wave half control rectification circuit by controllable silicon SCR 1 and SCR2 and diode D1 and D2, this rectification circuit input end is connected with transformer B1 secondary electrical, this rectification circuit is exported unidirectional pulsating dc voltage, and the mean value of this voltage can change by the trigger impulse phase place that changes (between B, the A) between controllable silicon SCR 1 and SCR2 gate pole and negative electrode at 2.The output voltage of rectification circuit adds to the input of mu balanced circuit, mu balanced circuit is made up of power tube T1, triode BG1, voltage-stabiliser tube DW1 and resistance R 1, R2, R4, R5, RW, wherein, R4 one is connected to the high level output of pulsating volage after the rectification, the other end of R4 is connected to the negative electrode of voltage-stabiliser tube DW1, the anode of DW1 connects the low level output of pulsating volage, thereby provides an electric current of voltage regulation to DW1.The collector plate of power tube T1 is connected to the high level output of pulsating volage after the rectification, and the base stage of T1 is connected to the collector plate of triode BG1, and the emitter stage of T1 output 70V DC voltage.The emitter stage of BG1 is connected to the negative electrode of DW1, and the base stage of BG1 is connected to the series connection bleeder circuit of being made up of RW, R2, R1, and DC voltage will be by pincers at 70V.R5 is connected on base stage and the inter-collector of T1, so that a conducting electric current to be provided.Capacitor C 1 is connected on dc output end and strobes, and controllable silicon triggers input A, B and connects the circuits for triggering output; The phase place that changes trigger impulse just can change the silicon controlled angle of flow, thereby changes the output current of voltage-stabilized power supply, and the gas production of hydrogen and oxygen in the change hydrogen-oxygen separate type generator.The 220V alternating current is connected to the elementary of transformer B2 in circuits for triggering 45, and at the alternating voltage of secondary generation 15V, this voltage adds to the input of full-bridge rectification piece BR1, and BR1 exports unidirectional pulsating volage.Form pressure limiting circuit by resistance R 6 and voltage-stabiliser tube DW2, the termination BR1 output high level end of R6, the negative electrode of another termination voltage-stabiliser tube DW2 of R6, the negative electrode of DW2 connects BR1 output low level end, obtains by the pulsating volage of peak clipping at the two ends of DW2.Form pulse-generator circuit by triode T2, capacitor C 2, resistance R 9, R10, unijunction transistor J1, wherein the emitter stage of T2 connects the end of R9, the negative electrode of another termination DW2 of R9, the collector plate of T2 connects the end of C2, the anode of another termination DW2 of C2, the gate pole of unijunction transistor connects the collector plate of T2, the anode of unijunction transistor J1 connects the end of R10, the negative electrode of another termination DW2 of R10, the negative electrode of unijunction transistor connects pulse transformer B3 one end, the anode of another termination DW2 of B3 is formed the electric capacity charge adjustment circuit by resistance R 7, R8, triode BG2.Wherein the collector plate of BG2 connects the end of R7, the negative electrode of another termination DW2 of R7, the emitter stage of BG2 connects the end of R8, the anode of another termination DW2 of R8, the base stage of BG2 connects the receiver output, constitute the trigger impulse output circuit by pulse transformer B3, diode D3, D4, D5, wherein D3 and at the elementary two ends of B3 plays the pressure limiting effect, the anode of D4 connects level one end B3 time, the negative electrode of D4 connects the negative electrode of D5, and the anode of D5 connects the other end of B3 level, the two ends output SCR trigger pulse of D5.

The voltage swing that changes BG2 base input end C can change the phase place of trigger impulse, and can add at the C end also can provide an input voltage by receiver circuit by a voltage regulation component.

In receiver circuit, form antiresonant circuit by induction coil L1 and capacitor C 4, antenna TY1 and capacitor C 3 series connection induction coil L1 one end, this circuit receives resonant frequency

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Signal, this signal amplifies by the input that secondary induction coil is connected to resonance amplifier.Resonance amplifier is by triode BG3, resistance R 11, R12, R13 capacitor C 5, C6, induction coil L3 forms, R11 wherein, R12 forms bleeder circuit and one direct current bias voltage is provided for the base stage of triode BG3, R13 and C5 parallel connection, the emitter stage of the termination BG3 of C5, the other end ground connection of C5, L3 and C6 form resonance circuit, the termination BG3 collector plate of C6, another termination power high level end of C6, form the voltage to frequency translation circuit by induction coil L4 and F/V converter, the two termination F/V inputs of L4, F/V output C meet thyristor gating circuit triode BG2 base input end C.Along with the difference of receive frequency, the output impulse phase of circuits for triggering is also different like this.

In the remote-controlled launcher circuit, form oscillating circuit by variable resistor RWG, capacitor C 8, unijunction transistor J2, resistance R 14 and R18, wherein RWG and C8 series connection, power supply BAT adds to the two ends of capacitor C 7 by K switch, the end ground connection of C7, the end of another termination RWG of C7, the gate pole of unijunction transistor J2 connects the tie point of C8 and RWG, the anode of J2 connects the end of R14, the positive pole of another termination C7 of R14, the negative electrode of J2 connects the end of R18, the other end ground connection of R18, the big I of adjusting RWG changes frequency of oscillation, the two ends output frequency of oscillation of R18.By triode BG4, capacitor C 10, C11, C12 resistance R 17 and induction coil L5 form resonance amplifier, output end of oscillating circuit connects the resonance amplifier input, frequency is amplified, wherein resistance R 15, R16 is connected on the two ends of C7, the base stage of BG4 meets R15, the contact of R16, C10 and at the two ends of R16, the emitter stage of BG4 connects the end of R17, other end ground connection, C11 and between the emitter and collector of BG4, C12 and L5 form resonance amplifier, the colelctor electrode of the termination BG4 of C12, the positive pole of another termination C7 of C12 is launched through C13 and antenna TY2 through the oscillator signal after amplifying.

Therefore adjust RWG and can change frequency, thereby change the output current of silicon controlled rectification power source, thus the gas production of hydrogen and oxygen in the control hydrogen-oxygen separate type generator.The power of present embodiment can be regulated between 0--5000 watt.

Claims (6)

1, a kind of controlled oxyhydrogen welding and cutting machine, organism, transformer and bridge rectification power are installed on it, hydrogen-oxygen separate type generator, gas-liquid pipeline and welding torch, it is characterized in that, described hydrogen-oxygen separate type generator (1) is composed in series by many groups composite electrolytic cell (3), two combination sheet frames (2) are arranged in the described composite electrolytic cell, the top of combination sheet frame is provided with oxygen bin passage (12) and hydrogen storehouse passage (11), the bottom of combination sheet frame is provided with sump passage (13), the middle part of combination sheet frame is provided with electrolysis passage (7), the electrolysis passage is communicated with by pipeline (10) with the sump passage, between the electrolysis passage of two combination sheet frames double-face electrode plate (6) is housed, single-side electrode plate (5) is equipped with in the electrolysis passage outside of two combination sheet frames, be provided with hydrogen or oxygen gas separator (4) between per two battery lead plates, this separator one side is hydrogen generation chamber (8), opposite side is oxygen generation chamber (9), the hydrogen generation chamber is communicated with by air flue (14) with hydrogen storehouse passage, the oxygen generation chamber is communicated with by air flue (15) with the oxygen bin passage, leave heat dissipation channel (16) between the adjacent composite electrolytic cell, end plate (17) is equipped with at hydrogen-oxygen separate type generator two ends, the pipe joint with oxygen bin passage and hydrogen storehouse channel connection is equipped with respectively on end plate top, and the pipe joint with the sump channel connection is equipped with in the end plate bottom; Hydrogen storehouse passage is communicated with hydrogen gas condenser (22) through defeated hydrogen road (21), this condenser is communicated with hydrogen gas-liquid process tank (23) through defeated hydrogen road, and this process tank bottom is through the sump passage of reflux line (24) bottom access hydrogen-oxygen separate type generator after the hydrogen gas condenser bottom pipe is in parallel; The oxygen bin passage is communicated with oxygen condenser (26) through oxygen therapy air flue (25), this condenser is communicated with oxygen gas-liquid process tank (27) through the oxygen therapy air flue, inserts the sump passage of hydrogen-oxygen separate type generator bottom after the return duct of this process tank bottom return duct bottom the oxygen condenser is in parallel; Described oxygen, hydrogen gas-liquid process tank bottom are filled with and purify waste water, and porous barrier (32) is equipped with at the middle part, and gas-liquid separator (35) is equipped with at the top, and burst disk, pressure-relief valve (34), electro connecting pressure gauge (33) are housed in the gas-liquid separator exit; There is the device for supplying of purifying waste water (36) to insert hydrogen, oxygen gas-liquid process tank inlet respectively through pipeline; The hydrogen input port of described welding torch (30) by the road with hydrogen gas-liquid process tank on the gas-liquid separator air supply opening together with, connect in this pipeline drier (31), pressure regulator valve (28) and tempering valve (29), the oxygen input port of this welding torch, be communicated with connect in this pipeline drier, pressure regulator valve and tempering valve with gas-liquid separator air supply opening on the oxygen gas-liquid process tank by the road.

2, controlled oxyhydrogen welding and cutting machine according to claim 1 is characterized in that, described hydrogen or oxygen gas separator is the nylon textile material of 0.15 millimeters thick.

3, controlled oxyhydrogen welding and cutting machine according to claim 2, it is characterized in that, between described combination sheet frame and the battery lead plate, between the combination sheet frame at oxygen bin passage, hydrogen storehouse passage and sump passage place and the combination sheet frame, " 0 " shape seal gasket (19) is housed.

4, controlled oxyhydrogen welding and cutting machine according to claim 3, it is characterized in that, described bridge rectification power is a silicon controlled rectification power source, the single-phase full wave half control rectification circuit that constitutes by controllable silicon SCR 1 and SCR2 and diode D1 and D2, this rectification circuit input end is connected with transformer B1 secondary electrical, the output voltage of this rectification circuit adds to the input of mu balanced circuit, the power tube T1 of mu balanced circuit, triode BG1, voltage-stabiliser tube DW1 and resistance R 1, R2, R4, R5, RW form, and the dc output end of silicon controlled rectification power source is electrically connected with generator for separating hydrogen and oxygen; Controllable silicon triggers input A, B and connects the circuits for triggering output; Transformer B2 secondary coil in the circuits for triggering is connected to full-bridge rectification piece BR1, and full-bridge rectification piece output is connected to the pressure limiting circuit of being made up of resistance R 6 and voltage-stabiliser tube; The charge adjustment circuit of forming by resistance R 7, R8, triode BG2; The pulse generating circuit of forming by triode T2, capacitor C 2, resistance R 9, R10, unijunction transistor J1; And constitute the trigger impulse circuit by pulse transformer B3, diode D4, D5; A remote-controlled launcher (38) is installed on the described welding torch, in the remote control transmitter circuit, form oscillating circuit by variable resistor RWG, capacitor C 8, unijunction transistor J2, resistance R 14 and R18, form resonance amplifier by triode BG4, capacitor C 10, C11, C12 resistance R 17 and induction coil L5, output end of oscillating circuit connects the resonance amplifier input, antenna TY2 and capacitor C 13 series connection induction coil L5 one end; In receiver circuit, form antiresonant circuit by induction coil L1 and capacitor C 4, antenna TY1 and capacitor C 3 series connection induction coil L1 one end, form resonance amplifier by triode BG3, resistance R 11, R12, R13 capacitor C 5, C6, induction coil L3, form the voltage to frequency translation circuit by induction coil L4 and F/V converter, F/V output C connects the triode BG2 base input end of described thyristor gating circuit.

5, controlled oxyhydrogen welding and cutting machine according to claim 3 is characterized in that, multi-disc is housed on the single-side electrode plate of described heat dissipation channel both sides props up muscle formula fin 18.

6, controlled oxyhydrogen welding and cutting machine according to claim 3 is characterized in that, the two ends of the pressure regulator valve in the oxygen input tube road, and an automatic inflation pump (40) in parallel, storage oxygen cylinder (41) and oxygen gauge (42) constitute storage oxygen device automatically.

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