CN201239848Y - Safe electric welding machine circuit with radio secondary idle load - Google Patents

Safe electric welding machine circuit with radio secondary idle load Download PDF

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Publication number
CN201239848Y
CN201239848Y CNU2008201628376U CN200820162837U CN201239848Y CN 201239848 Y CN201239848 Y CN 201239848Y CN U2008201628376 U CNU2008201628376 U CN U2008201628376U CN 200820162837 U CN200820162837 U CN 200820162837U CN 201239848 Y CN201239848 Y CN 201239848Y
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triode
capacitor
resistance
welding machine
circuit
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Expired - Fee Related
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CNU2008201628376U
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Chinese (zh)
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陈国夫
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Abstract

The utility model discloses a safe electric welding machine circuit with wireless secondary zero load. The circuit comprises an launcher circuit installed on the welding torch of the electric welding machine and a receiver circuit installed on the electric welding machine body; the launcher circuit comprises two button switches which work simultaneously, when the button switches are pressed down simultaneously, the launcher circuit emits a modulating pulse command signal to the receiver circuit, if the receiver circuit receives the modulating pulse command signal from the launcher circuit, the main power transformer is actuated, and the electric welding machine has voltage and current; when a constructor get an electric shock by accident, only by releasing the button switches, the receiver circuit can not receive the signal from the launcher circuit, the main power transformer is not actuated, and the electric welding machine has no voltage and current. The safe electric welding machine circuit has the advantages that accidents are avoided, the safety is guaranteed, and by using the electric welding machine with wireless secondary zero load, the person can not have a feeling of electric shock and numbness.

Description

The safe electric welding machine circuit that has the zero load of radio secondary
[technical field]
The utility model is about a kind of bonding machine, is meant the safe electric welding machine circuit that has the zero load of radio secondary especially.
[background technology]
In present iron structure process, various iron structure parts or other metal parts are welded, be the important manufacturing process in the production process.In multiple welding equipment, the overwhelming majority is finished by the artificial hand electric welding machine, and the artificial hand electric welding machine belongs to the welding equipment of highly energy-consuming.And in the current production process, have the secondary zero load in construction construction way, and the power line that hangs up the secondary zero load is not received on the control circuit.Because electric welding machine control is on fire slow, operating efficiency is not high, and in normal welding job, be no more than 1/4 of the working time the general weld interval of adding up, so continuing efficient, the load of welding in design process, sets between the 25%-60% usually, the secondary no-load current of this kind artificial hand electric welding machine all is set in about 1/10 of fully loaded input current, and therefore, a large amount of this artificial hand electric welding machines that use can cause huge energy waste.Through improving, the secondary no-load current of artificial hand electric welding machine all is set in about 1/20 of fully loaded input current, and therefore a large amount of a large amount of energy savings of this artificial hand electric welding function reduce operating cost.
Construction operation at present is many, the secondary zero load all is equipped with usually to the normal starting the arc of artificial hand electric welding machine in the manufacturer of artificial hand electric welding machine, general regulation voltage is 10V-50V, if run into rainy day or air humidity is big, the staff will increase greatly to the susceptibility of electric shock, can feel to get an electric shock.Add in work progress, the workmen can touch the rifle head screw because of carelessness, and contingency can appear in welding rod.Therefore, need improve existing electric welding machine with secondary zero load.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of safe electric welding machine circuit of loading onto the zero load of radio secondary, and the sensation to the operating personnel who operates artificial torch welding machine does not have a kind of numbness effectively improves the safety work in the construction.
The utility model solves the problems of the technologies described above by the following technical programs: a kind of safe electric welding machine circuit that has the zero load of radio secondary comprises being installed in the transmitter circuit on the electric welding machine welding gun and being installed in acceptor circuit on the electric welding machine body;
Transmitter circuit comprises the coding IC 1, capacitor C 16, C 17, resistance R 16, R 17, R 18, R 19, triode VT 5, two button switch K 1, K 2And power supply, two button switch K 1, K 2After connecting successively, button switch K 2The other end be connected the positive pole of power supply, button switch K 1The other end link resistance R 19, capacitor C 17Be connected in parallel on resistance R 19The other end and the negative pole of power supply between, resistance R 18, capacitor C 16Be connected in parallel on capacitor C after the series connection 17Two ends, external oscillation resistance R between 15,16 pin of coding IC 1 16, the coding IC 117 pin by a resistance R 17Be connected to triode VT 5Base stage, 1～8 pin is connected triode VT by code switch S1～S8 respectively 5Emitter stage and power supply ground between, 9,14 pin connect power supply ground, the 10-13 pin is connected resistance R by code switch S9～S13 respectively 18And capacitor C 16Node on, 18 pin are connected resistance R 18And capacitor C 16Node on, triode VT 5Colelctor electrode be connected to resistance R 19, triode VT 5Emitter stage be connected to ultra-high frequency generator simultaneously;
Acceptor circuit mainly comprises: decoder ic IC 2, amplifier IC 3, triode VT 2, VT 3, main power transformer T 1, control transformer T 2, A.C. contactor JX, relay J 1, capacitor C 5, ac contactor coil L 3, resistance R 5, R 9, R 10, R 12, main power transformer T 1With control transformer T 2Link to each other successively, A.C. contactor JX is connected on main power transformer T 1On, first end of relay J 1 is connected to triode VT 3Colelctor electrode, second end of relay J 1 and triode VT 3Emitter stage be connected on control transformer T respectively 2Two ends, ac contactor coil L 3Be connected on the relay J 1 decoder ic IC 217 pin pass through resistance R successively 10, R 12Be connected on triode VT 3Base stage, 1～8 pin is connected to second end of relay J 1 respectively by code switch S13～S21,9 pin connect power supply ground, 14 pin are connected to amplifier IC 3Output, external oscillation resistance R between 15,16 pin 9, amplifier IC 3Reverse input end be connected to triode VT 2Colelctor electrode, positive input is by a capacitor C 7Be connected to power supply ground, triode VT 2Emitter stage connect power supply ground, resistance R 5With capacitor C 5Receive triode VT after the series connection 2Base stage, resistance R 5The other end be connected to ultra-audio circuit.
This utility model can further be specially:
Described hyperfrequency oscillator comprises tunable capacitor C 11, capacitor C 12, C 13, C 14, C 15, inductance L 4, L 5, resistance R 15, and triode VT 4, triode VT 5Emitter stage be connected to triode VT 4Colelctor electrode, inductance L 5With capacitor C 12Be connected triode VT after the series connection 4Colelctor electrode and base stage between, tunable capacitor C 11Be connected inductance L 5With capacitor C 12Between node and triode VT 4Colelctor electrode between, resistance R 15Be connected triode VT 4Colelctor electrode and base stage between, capacitor C 13With inductance L 4Be connected triode VT after the parallel connection 4Emitter stage and power supply ground between, capacitor C 15Be connected triode VT 4Colelctor electrode and ground between, triode VT 4Colelctor electrode pass through capacitor C 14Connect antenna.
Described ultra-audio circuit comprises triode VT 1, capacitor C 1, inductance L 1, capacitor C 2, capacitor C 1With inductance L 1End after the parallel connection is connected to resistance R 5The other end, the other end is connected to triode VT 1Colelctor electrode, triode VT 1Base stage and emitter stage connect power supply ground, capacitor C 2Be connected between the colelctor electrode and emitter stage of triode VT1.
In iron structure, radio there is very high shielding, then the signal in the transmitter circuit on the electric welding machine welding gun can't be communicated to the receiver on the electric welding machine, need this moment to adopt intermediate conversion conveyer, described intermediate conversion conveyer to comprise and be connected on acceptor circuit ac contactor coil L 3The XS socket at two ends and the button switch K that is connected on transmitter circuit 1, K 2The XP plug at two ends adopts wired connection in the middle of XS socket and the XP plug.
The advantage that the utility model has the safe electric welding machine circuit of radio secondary zero load is: even run into rainy day or air humidity is big, perhaps in work progress, the workmen touches the rifle head screw because of carelessness, welding rod, as long as the workmen decontrols switch, electric welding machine just can cut off the power supply automatically, avoids unexpected, guarantees safety.To the workmen, different people has different resistance, and human body resistance is very little, uses this electric welding machine that has the zero load of radio secondary, and also imperceptible any electric shock is numb to be felt, embodies the effect of the unloaded welding machine energy-saving safe of radio secondary.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the transmitter circuit figure that the utility model has the safe electric welding machine circuit of radio secondary zero load.
Fig. 2 is the acceptor circuit figure that the utility model has the safe electric welding machine circuit of radio secondary zero load.
[specific embodiment]
The safe electric welding machine circuit that the utility model has a zero load of radio secondary comprises and is installed in the transmitter circuit on the electric welding machine welding gun and is installed in acceptor circuit on the electric welding machine body.
Seeing also Fig. 1, is transmitter circuit figure, and this transmitter circuit comprises the coding IC 1, tunable capacitor C 11, capacitor C 12, C 13, C 14, C 15, C 16, C 17, inductance L 4, L 5, resistance R 15, R 16, R 17, R 18, R 19, triode VT 4, VT 5, two button switch K 1, K 2And 12V power supply.
Two button switch K 1, K 2After connecting successively, button switch K 2The other end be connected the positive pole of power supply, button switch K 1The other end link resistance R 19, capacitor C 17Be connected in parallel on resistance R 19The other end and the negative pole of power supply between.Resistance R 18, capacitor C 16Be connected in parallel on capacitor C after the series connection 17Two ends.The coding IC 11～8 pin be the encryption address input, every end can be weaved into " 1 ", " 0 " and the open circuit three kinds of states, also can use two states, weave into 38 kinds of unduplicated code characters altogether.Its S8/S22/S10/S25 is encryption address/control data coding input, if these 4 inputs have only " 1 " and " 0 " two states, so can weave into 24 kinds of control commands.The coding IC 115,16 pin be external oscillation resistance end, among this embodiment, when being connected with resistance R 16 between 15,16 pin.The coding IC 117 pin by a resistance R 17Be connected to triode VT 5Base stage, the coding IC 11～8 pin be connected triode VT by code switch S1～S8 respectively 5Emitter stage and power supply ground between, the coding IC 19,14 pin connect power supply ground, the coding IC 1The 10-13 pin be connected resistance R by code switch S9～S13 respectively 18And capacitor C 16Node on, the coding IC 118 pin be connected resistance R 18And capacitor C 16Node on, triode VT 5Colelctor electrode be connected to resistance R 19, triode VT 5Emitter stage be connected to triode VT simultaneously 4Colelctor electrode, inductance L 5With capacitor C 12Be connected triode VT after the series connection 4Colelctor electrode and base stage between, tunable capacitor C 11Be connected inductance L 5With capacitor C 12Between node and triode VT 4Colelctor electrode between, resistance R 15Be connected triode VT 4Colelctor electrode and base stage between, capacitor C 13With inductance L 4Be connected triode VT after the parallel connection 4Emitter stage and power supply ground between.Capacitor C 15Be connected triode VT 4Colelctor electrode and ground between.Triode VT 4Colelctor electrode pass through capacitor C 14Connect antenna.
Two button switch K of this transmitter circuit 1, K 2Operate simultaneously, if a press button inoperation is arranged, then transmitter is not worked, the coding IC 1Can be with existing various coding integrated circuits.
Seeing also Fig. 2, is acceptor circuit figure.This acceptor circuit mainly comprises as lower member: decoder ic IC 2, amplifier IC 3, triode VT 1, VT 2, VT 3, main power transformer T 1, control transformer T 2, A.C. contactor JX, relay J 1, capacitor C 1, C 2, C 5, inductance L 1, ac contactor coil L 3, resistance R 5, R 9, R 10, R 12
Main power transformer T 1With control transformer T 2Link to each other successively, A.C. contactor JX is connected on main power transformer T 1On, give main power transformer T 1Send main power source.First end of relay J 1 is connected to triode VT 3Colelctor electrode, second end of relay J 1 and triode VT 3Emitter stage be connected on control transformer T respectively 2Two ends, ac contactor coil L 3Be connected on the relay J 1.Decoder ic IC 217 pin pass through resistance R successively 10, R 12Be connected on triode VT 3Base stage.Decoder ic IC 21～8 pin be connected to second end of relay J 1 respectively by code switch S13～S21,9 pin connect power supply ground, 14 pin are connected to amplifier IC 3Output (1 pin), external oscillation resistance R between 15,16 pin 9Amplifier IC 3Reverse input end (2 pin) be connected to triode VT 2Colelctor electrode, amplifier IC 3Positive input (3 pin) by a capacitor C 7Be connected to power supply ground, triode VT 2Emitter stage connect power supply ground, resistance R 5With capacitor C 5Receive triode VT after the series connection 2Base stage, capacitor C 1With inductance L 1Back in parallel one end is connected to resistance R 5The other end, the other end is connected to triode VT 1Colelctor electrode, triode VT 1Base stage and emitter stage connect power supply ground, capacitor C 2Be connected between the colelctor electrode and emitter stage of triode VT1.
The operation principle of the safe electric welding machine circuit of this radio secondary zero load is as described below: by code switch S 13～S 21With code switch S 1～S 8The address code of end is changed to 10101010 after (the agreed address sign indicating number of receiver number), then presses button switch K 1, K 2, the coding IC 117 pin just send this pulse code code character, and through resistance R 17Add to triode VT 5Base stage.Triode VT 5As the switching tube of supply voltage, in fact play modulating tube, at the coding IC 1The effect of 17 pin output pulse codes under, control is by tunable capacitor C 11, capacitor C 12, C 13, C 14, C 15, inductance L 4, L 5, resistance R 15, and triode VT 4The ultra-high frequency generator work of forming, even ultra-high frequency generator is under the control of modulating pulse, and the hyperfrequency modulating pulse that produces frequency, by inductance L 5, capacitor C 12, triode VT 4The resonant tank of forming is regulated tunable capacitor C 11, and the vibration carrier frequency is sent by antenna.
The modulating pulse command signal of the vibration carrier frequency that transmitter circuit sends, in acceptor circuit by inductance L 1, capacitor C 1The resonant tank of forming receives, and by triode VT 1, capacitor C 1, inductance L 1, capacitor C 2Amplify and detection Deng the hyperfrequency ultra-audio circuit of forming, then through resistance R 5, capacitor C 5Deliver to triode VT 2After carrying out voltage amplification, send into amplifier IC again 3Amplify, shaping, from amplifier IC 31 pin output after, deliver to decoder ic IC 2Data-signal input 14 pin.
Adopt coding IC in the acceptor circuit with transmitter circuit 1The decoder ic IC that is complementary 2As decoder, require decoder ic IC 2The time-base oscillation frequency with the coding IC 1The frequency of oscillation unanimity.In addition, require decoder ic IC 2Address code S13～S21 and the coding IC 1Address code S1～S8 should be consistent, as all being made as 10101010, above-mentioned 2 must be met, otherwise can't decode.
The coding IC 1With decoder ic IC 2Encode and can reliably decipher when identical, also can be with memory, latch function and multichannel remote control are arranged.In case in translating, decoder ic IC 217 pin just can export high level, with this high level signal through resistance R 10, R 12Add to triode VT 3Base stage, make triode VT 3Saturation conduction, relay J I adhesive, ac contactor coil L 3Adhesive, main power transformer T is given in A.C. contactor JX work 1Send main power source, main power transformer T 1Start, when acceptor circuit is not received the modulating pulse command signal of transmitter circuit, main power transformer T then 1Be failure to actuate, electric welding machine does not have voltage and current.
In iron structure, radio there is very high shielding, then the signal in the transmitter circuit on the electric welding machine welding gun can't be communicated to the receiver on the electric welding machine, need this moment to adopt intermediate conversion conveyer, this intermediate conversion conveyer to comprise and be connected on acceptor circuit ac contactor coil L 3The XS socket at two ends and the button switch K that is connected on transmitter circuit 1, K 2Adopt wired connection in the middle of the XP plug at two ends, XS socket and XP plug, thereby make signal in the transmitter circuit on the electric welding machine welding gun be sent to acceptor circuit on the electric welding machine.
When using the intermediate conversion conveyer, the modulated pulse signal that the transmitter circuit on the electric welding machine welding gun produces is sent on the XP plug, and by on wired XS socket that is sent to acceptor circuit, the operation principle of other parts is same as described above again.

Claims (4)

1. safe electric welding machine circuit that has the zero load of radio secondary is characterized in that: comprise being installed in the transmitter circuit on the electric welding machine welding gun and being installed in acceptor circuit on the electric welding machine body;
Transmitter circuit comprises the coding IC 1, capacitor C 16, C 17, resistance R 16, R 17, R 18, R 19, triode VT 5, two button switch K 1, K 2And power supply, two button switch K 1, K 2After connecting successively, button switch K 2The other end be connected the positive pole of power supply, button switch K 1The other end link resistance R 19, capacitor C 17Be connected in parallel on resistance R 19The other end and the negative pole of power supply between, resistance R 18, capacitor C 16Be connected in parallel on capacitor C after the series connection 17Two ends, external oscillation resistance R between 15,16 pin of coding IC 1 16, the coding IC 117 pin by a resistance R 17Be connected to triode VT 5Base stage, 1～8 pin is connected triode VT by code switch S1～S8 respectively 5Emitter stage and power supply ground between, 9,14 pin connect power supply ground, the 10-13 pin is connected resistance R by code switch S9～S13 respectively 18And capacitor C 16Node on, 18 pin are connected resistance R 18And capacitor C 16Node on, triode VT 5Colelctor electrode be connected to resistance R 19, triode VT 5Emitter stage be connected to ultra-high frequency generator simultaneously;
Acceptor circuit mainly comprises: decoder ic IC 2, amplifier IC 3, triode VT 2, VT 3, main power transformer T 1, control transformer T 2, A.C. contactor JX, relay J 1, capacitor C 5, ac contactor coil L 3, resistance R 5, R 9, R 10, R 12, main power transformer T 1With control transformer T 2Link to each other successively, A.C. contactor JX is connected on main power transformer T 1On, first end of relay J 1 is connected to triode VT 3Colelctor electrode, second end of relay J 1 and triode VT 3Emitter stage be connected on control transformer T respectively 2Two ends, ac contactor coil L 3Be connected on the relay J 1 decoder ic IC 217 pin pass through resistance R successively 10, R 12Be connected on triode VT 3Base stage, 1～8 pin is connected to second end of relay J 1 respectively by code switch S13～S21,9 pin connect power supply ground, 14 pin are connected to amplifier IC 3Output, external oscillation resistance R between 15,16 pin 9, amplifier IC 3Reverse input end be connected to triode VT 2Colelctor electrode, positive input is by a capacitor C 7Be connected to power supply ground, triode VT 2Emitter stage connect power supply ground, resistance R 5With capacitor C 5Receive triode VT after the series connection 2Base stage, resistance R 5The other end be connected to ultra-audio circuit.
2. the safe electric welding machine circuit that has the zero load of radio secondary as claimed in claim 1, it is characterized in that: described hyperfrequency oscillator comprises tunable capacitor C 11, capacitor C 12, C 13, C 14, C 15, inductance L 4, L 5, resistance R 15, and triode VT 4, triode VT 5Emitter stage be connected to triode VT 4Colelctor electrode, inductance L 5With capacitor C 12Be connected triode VT after the series connection 4Colelctor electrode and base stage between, tunable capacitor C 11Be connected inductance L 5With capacitor C 12Between node and triode VT 4Colelctor electrode between, resistance R 15Be connected triode VT 4Colelctor electrode and base stage between, capacitor C 13With inductance L 4Be connected triode VT after the parallel connection 4Emitter stage and power supply ground between, capacitor C 15Be connected triode VT 4Colelctor electrode and ground between, triode VT 4Colelctor electrode pass through capacitor C 14Connect antenna.
3. the safe electric welding machine circuit that has the zero load of radio secondary as claimed in claim 1, it is characterized in that: described ultra-audio circuit comprises triode VT 1, capacitor C 1, inductance L 1, capacitor C 2, capacitor C 1With inductance L 1End after the parallel connection is connected to resistance R 5The other end, the other end is connected to triode VT 1Colelctor electrode, triode VT 1Base stage and emitter stage connect power supply ground, capacitor C 2Be connected between the colelctor electrode and emitter stage of triode VT1.
4. the safe electric welding machine circuit that has the zero load of radio secondary as claimed in claim 1 is characterized in that: also comprise the intermediate conversion conveyer, described intermediate conversion conveyer comprises and is connected on acceptor circuit ac contactor coil L 3The XS socket at two ends and the button switch K that is connected on transmitter circuit 1, K 2The XP plug at two ends adopts wired connection in the middle of XS socket and the XP plug.
CNU2008201628376U 2008-08-21 2008-08-21 Safe electric welding machine circuit with radio secondary idle load Expired - Fee Related CN201239848Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201628376U CN201239848Y (en) 2008-08-21 2008-08-21 Safe electric welding machine circuit with radio secondary idle load

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Application Number Priority Date Filing Date Title
CNU2008201628376U CN201239848Y (en) 2008-08-21 2008-08-21 Safe electric welding machine circuit with radio secondary idle load

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102240837A (en) * 2010-05-13 2011-11-16 李文孝 Energy-saving device for electric welding machine
CN108098207A (en) * 2018-02-08 2018-06-01 中铁隧道集团四处有限公司 Electric welding machine moves guard box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102240837A (en) * 2010-05-13 2011-11-16 李文孝 Energy-saving device for electric welding machine
CN108098207A (en) * 2018-02-08 2018-06-01 中铁隧道集团四处有限公司 Electric welding machine moves guard box

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090520

Termination date: 20110821