CN115156670B - Wireless control method of stud welding equipment - Google Patents
Wireless control method of stud welding equipment Download PDFInfo
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- CN115156670B CN115156670B CN202210768481.5A CN202210768481A CN115156670B CN 115156670 B CN115156670 B CN 115156670B CN 202210768481 A CN202210768481 A CN 202210768481A CN 115156670 B CN115156670 B CN 115156670B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
The application discloses a wireless control method of stud welding equipment, which comprises the following steps: a wireless transmitting module is added at the end of the stud welding gun, and the wireless receiving module, a gun switch of the stud welding gun and a gun battery form a serial circuit; removing the original control cable connected between the stud welding gun and the control plug of the stud welding machine; the controller is added at the end of the stud welding machine and comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding gun, and the controller is connected with a control joint of the stud welding machine through a control line. The stud welding machine has the advantages that the structure and the circuit of the original stud welding machine are not required to be changed, the modification is simple, the cost is low, the operation is convenient, the wireless control of the stud welding gun is realized, the technical problems that a control cable in the prior art is easy to pull and break, and the control cable is easy to electric shock and needs to be replaced after being broken are solved, the utilization rate of the welding machine and the welding gun is improved, and the stud welding machine is convenient and durable.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a wireless control method of stud welding equipment.
Background
As steel structures develop, the task of stud welding applications in stud welding has multiplied. The stud welding is a method for contacting one end of a stud with the surface of a plate (or a pipe fitting), conducting arc striking, and after the contact surface is melted, applying a certain pressure to the stud to finish welding.
Referring to fig. 1, a power connector is provided on a stud welding machine 5, and is connected with a stud welding gun 6 through a thicker cable 61 connected with the stud welding gun to supply power to the stud welding gun 6. The stud welding machine 5 is also provided with a control socket, and is connected with the stud welding gun 6 through a control cable 62 which is connected with the stud welding gun in a thinner way, so as to provide control signals for the work of the stud welding gun 6. Stud welding may rapidly weld a stud or other fastener to the workpiece 7 without penetrating the workpiece 7. At present, a novel truss plate is adopted for the domestic steel structure, and steel bars are welded on floor plates in a triangular mode. When a welder works on a plate, the stud welding gun 6 is connected with a control socket on the stud welding machine 5 through a control cable 62 connected with the stud welding gun, a stud with a ceramic ring and a movable metal ring sleeved at the end part is arranged in the stud welding gun 6, then the stud welding gun 6 is vertically pre-pressed on the surface of a workpiece 7 to position, a trigger is pulled, an electric arc is generated between the workpiece 7 and the stud, and then the stud is separated from the stud welding gun 6 by utilizing spring force to finish welding. During the welding process, the control cable 62 connected with the stud welding gun can rub on the steel bar at any time, or is hooked on the iron wire and the welded stud, is easy to be pulled, broken and electrocuted, and must be replaced after being broken. The price of the copper wire is increased, the control wire is not economical to replace continuously, inconvenience is brought to constructors, and the working efficiency is reduced.
Therefore, it is important to realize wireless control and optimization of the existing stud welding apparatus at low cost to meet the actual use requirements.
Disclosure of Invention
The invention aims to provide a wireless control method of stud welding equipment, which does not use a control line, does not change the circuit of the original stud welding machine, and realizes the control of the stud welding machine in a wireless mode so as to solve the problems in the technical background.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a wireless control method of a stud welding apparatus, comprising:
a wireless transmitting module is added at the end of the stud welding gun, and the wireless receiving module, a gun switch of the stud welding gun and a gun battery form a serial circuit;
removing the original control cable connected between the stud welding gun and the control socket of the stud welding machine;
the controller is added at the end of the stud welding machine and comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding gun, and the controller is connected with a control socket of the stud welding machine through a control line.
Preferably, the controller further comprises a shell, wherein a magnet is arranged on the shell, and the controller is adsorbed and installed on the shell of the stud welding machine through the magnet.
Preferably, the wireless transmitting module includes:
a wireless transmitting chip for transmitting wireless signals;
the power saving circuit comprises a first branch, a second branch and a third branch which are connected in parallel between the anode of the gun battery and the wireless transmitting chip: the first branch is connected with the power supply end of the wireless transmitting chip through a diode D4 to supply power to the wireless transmitting chip; the second branch comprises a diode D2, a resistor R3 and a capacitor C2 which are sequentially connected in series, the other end of the capacitor C2 is connected with the base electrode of a triode Q3, the emitting electrode of the triode Q3 is connected with the first control end of the wireless emitting chip, the collecting electrode of the triode Q3 is connected with the power supply end of the wireless emitting chip, and the second branch is conducted through the diode D2, the resistor R3 and the capacitor C2 to trigger the triode Q3 to enable the wireless emitting chip to emit a starting signal; the third branch comprises a triode Q1 and a triode Q2, wherein the base electrode of the triode Q2 is connected with the collector electrode of the triode Q1, the triode Q1 controls the conduction state of the triode Q2, the emitter electrode of the triode Q2 is connected with the second control end of the wireless transmitting chip, the triode Q1 is conducted when receiving the on signal of the gun switch, the triode Q2 is further turned off, the triode Q1 is turned off when the on signal is turned off, the triode Q2 is conducted, and the wireless transmitting chip transmits a shutdown signal.
More preferably, the first branch of the wireless transmitting module includes: the device comprises a diode D4 and a capacitor C3, wherein the positive electrode of the diode D4 is connected with the positive electrode of the gun battery, the negative electrode of the diode D4 is connected with the power supply end of the wireless transmitting chip, the negative electrode of the diode D4 is grounded through the capacitor C3, and the stored electric quantity of the capacitor C3 provides turn-off current for the wireless transmitting module when the gun switch is turned off.
More preferably, the second branch of the wireless transmitting module further includes: the resistor R4 and the diode D3, one end of the resistor R4 is connected between the resistor R3 and the capacitor C2, the other end of the resistor R4 and the positive electrode of the diode D3 are grounded, and the negative electrode of the diode D3 is connected with the base electrode of the triode Q3; when the gun switch is turned off, the electricity of the capacitor C2 is released through the resistor R4 and the diode D3.
More preferably, in the third branch of the wireless transmitting module, a base electrode of the triode Q1 is connected with an anode of the gun battery through a resistor R1, an emitter electrode of the triode Q1 is grounded, a collector electrode of the triode Q1 is connected with a cathode of a diode D1 through a resistor R2, the cathode of the diode D1 is also grounded through a capacitor C1, an anode of the diode D1 is connected with the anode of the gun battery, a collector electrode of the triode Q1 is also connected with a base electrode of a triode Q2, an emitter electrode of the triode Q2 is connected with a second control end of the wireless transmitting chip, and a collector electrode of the triode Q2 is connected with a power supply end of the wireless transmitting chip;
when the gun switch is closed, the triode Q1 is switched on, and the triode Q2 is switched off;
when the gun switch is turned off, the triode Q1 is turned off, and the energy storage of the capacitor C1 is used for triggering the triode Q2 to be turned on through the resistor R2, so that the wireless transmitting chip transmits a shutdown signal.
More preferably, the wireless transmitting chip is of the model ev1527.
More preferably, the gun battery provides a 12V voltage, which is turned on by a gun switch.
More preferably, the gun switch is closed, and the wireless transmitting module sends a starting pulse signal to the wireless transmitting chip through the power saving circuit; the gun switch is turned off, and the wireless transmitting module transmits a shutdown pulse signal to the wireless transmitting chip through the power saving circuit.
Preferably, the wireless receiving module includes:
the wireless receiving chip is used for receiving the wireless signals sent by the wireless transmitting chip;
the input end of the voltage stabilizing block is connected with the power supply end of the control socket, and the output end of the voltage stabilizing block is connected with the wireless receiving chip to supply power to the wireless receiving chip;
the on control circuit comprises a bridge rectifier circuit, a triode Q4, a resistor R5, a resistor R6 and a resistor R7, wherein one input end of the bridge rectifier circuit is connected with one switch end of the control socket, the other input end of the bridge rectifier circuit is connected with the other switch end of the control socket, the positive electrode of the bridge rectifier circuit is connected with the collector electrode of the triode Q4 through the resistor R5, the negative electrode of the bridge rectifier circuit is connected with the emitter electrode of the triode Q4, the base electrode of the triode Q4 is connected with the first output end of the wireless receiving chip through the resistor R6, the emitter electrode of the triode Q4 is connected with the second output end of the wireless receiving chip, and the resistor R7 is connected between the base electrode and the emitter electrode of the triode Q4 in parallel.
More preferably, the wireless receiving chip has a model number WF105RB.
More preferably, the negative electrode of the bridge rectifier circuit of the wireless receiving module is grounded.
The stud welding machine and the stud welding gun in the above description may be commercially available stud welding machines and stud welding guns, and need not be manufactured separately. Because the stud welding machine and the stud welding gun belong to the prior art, the electrical connection relation and the specific circuit structure of the stud welding machine and the stud welding gun are not repeated here.
In the above, the wireless receiving chip and the wireless transmitting chip are commercially available chips, and need not be manufactured separately. Because the wireless receiving chip and the wireless transmitting chip belong to the prior art, the electrical connection relationship and the specific circuit structure thereof are not repeated here.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
according to the method, the existing stud welding equipment is subjected to wireless control, the stud welding gun is provided with the wireless transmitting module, the control cable which is originally connected between the stud welding gun and the stud welding machine is removed, the stud welding machine is provided with the controller, wireless communication between the stud welding gun and the controller is achieved, the controller is directly connected with the existing control socket of the stud welding machine through the control wire, and the structure and the circuit of the original stud welding machine are not required to be changed. The technical scheme of the stud welding gun is simple to refit, low in cost and convenient to operate, the wireless control of the stud welding gun is realized, the technical problems that a control cable in the prior art is easy to pull and damage, break, electric shock and break and then must be replaced are solved, the utilization rate of the welding machine and the welding gun is improved, and the stud welding gun is convenient and durable.
In addition, the wireless transmitting module additionally arranged on the stud welding gun further adopts an electricity-saving circuit, so that the service life of the gun battery is prolonged, the electricity-saving effect is remarkable, and the requirement that a worker does not need to replace the gun battery in one day can be met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a schematic illustration of stud welding in the prior art;
FIG. 2 is a schematic diagram of the stud welding apparatus of the present invention after wireless control;
FIG. 3 is a functional block diagram of a wireless control circuit after wireless control of the stud welding apparatus of the present invention;
fig. 4 is a circuit diagram of a wireless transmitting module in a preferred embodiment of the present invention;
fig. 5 is a circuit diagram of a wireless receiving module in a preferred embodiment of the present invention.
Legend description:
1. a gun battery;
2. a gun switch;
3. a wireless transmitting module; 31. a power saving circuit; 32. a wireless transmitting chip;
4. a wireless receiving module; 41. switching on a control circuit; 42. a wireless receiving chip; 43. a voltage stabilizing block;
5. stud welding machine;
6. stud welding gun; 61. a cable connected to the stud gun; 62. a control cable connected with the stud welding gun;
7. a workpiece;
8. and a controller.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more obvious, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and it is to be understood that the data so used may be interchanged where appropriate. Furthermore, the terms "comprising," "including," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion.
Examples:
aiming at the problems in the prior art, the method improves the prior art, and replaces the original mode of adopting a control line to transmit control signals in a wireless mode. According to the stud welding machine, the wireless transmitting module is added on the stud welding gun 6, the wireless receiving module is inserted into the control socket of the stud welding machine 5, the control line which is easy to wear and break in the existing stud welding equipment is removed, the structure and the circuit of the original welding machine are not changed, and the wireless control of the stud welding gun 6 is realized.
A schematic diagram of a wirelessly controlled stud welding apparatus may be seen in fig. 2.
Referring to fig. 1 and 2, a wireless control method of a stud welding apparatus according to the present embodiment includes the following steps:
a wireless transmitting module is added at the end of the stud welding gun 6, and the wireless receiving module, a gun switch of the stud welding gun 6 and a gun battery form a serial circuit;
removing the original control cable (namely the control cable 62 connected with the stud welding gun) connected between the stud welding gun 6 and the control socket of the stud welding machine 5;
a controller 8 is added at the end of the stud welding machine 5, the controller 8 comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding gun 6, and the controller 8 is connected with a control socket of the stud welding machine 5 through a control line.
In a preferred embodiment, the controller 8 further comprises a housing, a magnet is disposed on the housing, and the controller is attached to the housing of the stud welding machine 5 by the magnet.
Fig. 3 is a schematic block diagram of a wireless control circuit in the stud welding apparatus in the present embodiment.
As shown in fig. 3, the wireless control circuit includes a wireless transmitting module 3 and a wireless receiving module 4. The wireless transmitting module 3 is arranged on the stud welding gun 6 and forms a series circuit with the gun switch 2 and the gun battery 1, and the wireless transmitting module 3 comprises a wireless transmitting chip 32 and a power saving circuit 31. The wireless receiving module 4 is inserted into a control socket of the stud welding machine 5, and the wireless receiving module 4 comprises a wireless receiving chip 42, a voltage stabilizing block 43 and a connection control circuit 41. Wherein the wireless transmitting chip 32 and the wireless receiving chip 42 are connected in wireless communication. When a welder needs to weld, the manual control gun switch 2 is closed, the wireless transmitting module 3 sends a starting pulse signal to the wireless transmitting chip 32 through the power saving circuit 31, and after the wireless receiving chip 42 receives the signal sent by the wireless transmitting chip 32, the control loop of the stud welding machine 5 is conducted, and the stud welding machine 5 controls the stud welding gun 6 to start working. When the welding is finished, the welder releases the gun switch 2, the wireless transmitting module 3 sends a shutdown pulse signal to the wireless transmitting chip 32 through the power saving circuit 31, and after the wireless receiving chip 42 receives the signal sent by the wireless transmitting chip 32, the control loop of the stud welding machine 5 is not conducted, and the stud welding machine 5 controls the stud welding gun 6 to stop working.
Fig. 4 is a circuit diagram of a wireless transmitting module 3 in the present embodiment. The wireless transmitting module 3 comprises a wireless transmitting chip 32 and a power saving circuit 31, and the wireless transmitting module 3, the gun switch 2 and the gun battery 1 form a series circuit.
Referring to fig. 4, the wireless transmitting chip 32 is configured to transmit wireless signals. In this embodiment, the wireless transmitting chip 32 adopts ev1527, v+ is positive and GND is negative, and the wireless transmitting chip 32 further includes two terminals of "on" and "off".
Considering that the time required for each stud is about 1 second more at the time of stud welding, the gun battery 1 is very power-consuming, and thus the power saving circuit 31 is designed in this embodiment.
Specifically, the power saving circuit 31 includes a first branch, a second branch, and a third branch connected in parallel between the positive electrode of the gun battery 1 and the wireless transmitting chip 32:
1) The first branch circuit comprises a diode D4 and a capacitor C3, the positive electrode of the diode D4 is connected with the positive electrode of the gun battery 1, and the negative electrode of the diode D4 is connected with the power supply end of the wireless transmitting chip 32 to supply power to the wireless transmitting chip 32. The cathode of the diode D4 is grounded through a capacitor C3, and the stored electric quantity of the capacitor C3 provides turn-off current for the wireless transmitting module when the gun switch is turned off.
2) The second branch circuit comprises a diode D2, a resistor R3 and a capacitor C2 which are sequentially connected in series, the other end of the capacitor C2 is connected with the base electrode of a triode Q3, the emitting electrode of the triode Q3 is connected with the first control end of the wireless emitting chip 32, namely an on terminal, and the collecting electrode of the triode Q3 is connected with the power supply end of the wireless emitting chip 32. The second branch further includes: the resistor R4 and the diode D3, one end of the resistor R4 is connected between the resistor R3 and the capacitor C2, the other end of the resistor R4 and the positive electrode of the diode D3 are grounded, and the negative electrode of the diode D3 is connected with the base electrode of the triode Q3. When the gun switch 2 is turned on, the second branch is conducted through the diode D2, the resistor R3 and the capacitor C2 trigger transistor Q3, so that the wireless transmitting chip 32 transmits a start signal to the wireless receiving module 4, the stud welder 5 works, the stud begins to weld, and the welding time is automatically controlled by the stud welder 5. After the capacitor C2 is charged and saturated, the triode Q3 can be disconnected, so that current in transmitting is saved. When the stud welding is finished, the welder releases gun switch 2, and the electricity of capacitor C2 is released through resistor R4 and diode D3, so as to prepare for the next capacitor C2 charging.
3) The third branch comprises a triode Q1, a triode Q2, a resistor R1, a resistor R2 and a diode D1. The base of triode Q1 passes through resistance R1 and connects the positive pole of rifle battery 1, triode Q1's projecting pole ground connection, triode Q1's collecting electrode passes through resistance R2 and is connected with diode D1's negative pole, and diode D1's negative pole still passes through electric capacity C1 ground connection, and rifle battery 1's positive pole is connected to diode D1's positive pole. The collector of the triode Q1 is also connected with the base of the triode Q2, the conducting state of the triode Q2 is controlled by the triode Q1, the emitter of the triode Q2 is connected with the second control end of the wireless transmitting chip 32, namely an off terminal, and the collector of the triode Q2 is connected with the power supply end of the wireless transmitting chip 32. When the gun switch 2 is closed, the third branch circuit receives a switching-on signal of the gun switch 2, and the triode Q1 is switched on, so that the triode Q2 is switched off; when the gun switch 2 is turned off, the triode Q1 is turned off, and the energy storage of the capacitor C1 is conducted through the resistor R2 to trigger the triode Q2, so that the wireless transmitting chip 32 transmits a shutdown signal. The wireless transmitting module 3 transmits a shutdown signal by residual electricity of an internal capacitor, and the stud welding machine 5 resets once again to prepare for the next startup. Next time, the welder closes the gun switch 2 again, and the work is repeated, namely normal construction.
The circuit transmits a pulse when the gun switch 2 is turned on, and transmits a pulse when the gun switch 2 is turned off, so that the power saving effect is very obvious. The current of the wireless transmitting module 3 when transmitting is 110mA, if the electric quantity is not saved, the electric quantity of the gun battery 1 can be exhausted in about two hours. With the circuit design in this embodiment, one gun battery 1 can be used for at least 15 hours, which can greatly meet the requirement that a welder does not need to replace the battery in one day. The circuit controls the start-up of the stud welding machine 5 through one pulse, and controls the shutdown of the stud welding machine 5 through one pulse, so that the use effect is good.
It should be noted that, the above disclosed wireless transmitting module 3 adopts a discrete component forming circuit, and may also use a single chip microcomputer and a digital circuit to form, so long as the wireless transmitting module can send out a startup pulse and a shutdown pulse.
Fig. 5 is a circuit diagram of a wireless receiving module 4 in the present embodiment. The wireless receiving module 4 comprises a wireless receiving chip 42, a voltage stabilizing block 43 and a connection control circuit 41, and the wireless receiving module 4 is inserted into a control socket of the stud welding machine 5.
Referring to fig. 5, the control socket has four core wires, no. 1 and No. 4 are power supplies, and No. 2 and No. 3 are welder switch wires.
Specifically, the wireless receiving module 4 includes:
1) The input end of the 12V voltage stabilizing block 43 is connected with the power supply end (the No. 1 and the No. 4 cores) of the control socket, and the output end of the 12V voltage stabilizing block is connected with the wireless receiving chip 42 to supply power to the wireless receiving chip 42.
2) The wireless receiving chip 42 is used for receiving the wireless signal sent by the wireless transmitting chip 32. In this embodiment, the model of the wireless receiving chip 42 is preferably WF105RB, v+ is positive, GND is negative, and the output terminal is further included.
3) The on control circuit 41 includes a bridge rectifier circuit, a transistor Q4, a resistor R5, a resistor R6, and a resistor R7. One input end of the bridge rectifier circuit is connected with the No. 3 core of the control socket, and the other input end of the bridge rectifier circuit is connected with the No. 2 core of the control socket. The positive pole of bridge rectifier circuit passes through the collecting electrode of resistance R5 connection triode Q4, and triode Q4's projecting pole is connected to bridge rectifier circuit's negative pole, and wireless receiving chip 42's first output is connected through resistance R6 to triode Q4's base, and triode Q4's projecting pole still is connected with wireless receiving chip 42's second output, and resistance R7 connects in parallel between triode Q4's base and projecting pole. Wherein, the negative pole of bridge rectifier circuit ground connection.
In the on control circuit 41, a bridge rectifier circuit is used, and normal operation can be achieved regardless of the connection between the No. 2 core and the No. 3 core and the wireless receiving chip 42. The positive phase of the bridge rectifier circuit is controlled by a resistor R5 and a triode Q4 switch, when a signal passes through the wireless receiving chip 42, the signal is conducted by the resistor R6 to trigger the triode Q4, loops are arranged on a No. 2 core and a No. 3 core of the control socket, and the stud welding machine 5 works. The resistor R5 can prevent the transistor Q4 from being burned out by a large current, and the resistor R7 can avoid small interference.
The above-described on control circuit 41 is a contactless long-life circuit, and a relay may be used as long as the No. 2 core and the No. 3 core can be connected.
The stud welding machine and the stud welding gun in the above description may be commercially available stud welding machines and stud welding guns, and need not be manufactured separately. Because the stud welding machine and the stud welding gun belong to the prior art, the electrical connection relation and the specific circuit structure of the stud welding machine and the stud welding gun are not repeated here.
In the above, the wireless receiving chip and the wireless transmitting chip are commercially available chips, and need not be manufactured separately. Because the wireless receiving chip and the wireless transmitting chip belong to the prior art, the electrical connection relationship and the specific circuit structure thereof are not repeated here.
In summary, the present application performs wireless control on the existing stud welding apparatus, adds a wireless transmitting module on the stud welding gun, removes the control cable originally connected between the stud welding gun and the stud welding machine, adds a controller on the stud welding machine, and realizes wireless communication with the stud welding gun, and the controller is directly connected with the existing control socket of the stud welding machine through a control line, without changing the structure and circuit of the original stud welding machine. The technical scheme of the stud welding gun is simple to refit, low in cost and convenient to operate, the wireless control of the stud welding gun is realized, the technical problems that a control cable in the prior art is easy to pull and damage, break, electric shock and break and then must be replaced are solved, the utilization rate of the welding machine and the welding gun is improved, and the stud welding gun is convenient and durable. The wireless transmitting module added on the stud welding gun further adopts the power saving circuit, so that the battery electric quantity of the stud welding gun is saved, the service life of the gun battery is prolonged, the power saving effect is remarkable, and the requirement that a worker does not need to replace the gun battery in one day can be met.
The above description of the specific embodiments of the present invention has been given by way of example only, and the present invention is not limited to the above described specific embodiments. Any equivalent modifications and substitutions for the present invention will occur to those skilled in the art, and are also within the scope of the present invention. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present invention without departing from the spirit and scope thereof.
Claims (9)
1. A method of wireless control of a stud welding apparatus, comprising:
a wireless transmitting module is added at the end of the stud welding gun, and the wireless receiving module, a gun switch of the stud welding gun and a gun battery form a serial circuit;
removing the original control cable connected between the stud welding gun and the control socket of the stud welding machine;
a controller is added at the end of the stud welding machine, the controller comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding gun, and the controller is connected with a control socket of the stud welding machine through a control line;
wherein, wireless transmission module includes:
a wireless transmitting chip for transmitting wireless signals;
the power saving circuit comprises a first branch, a second branch and a third branch which are connected in parallel between the anode of the gun battery and the wireless transmitting chip: the first branch is connected with the power supply end of the wireless transmitting chip through a diode D4 to supply power to the wireless transmitting chip; the second branch comprises a diode D2, a resistor R3 and a capacitor C2 which are sequentially connected in series, the other end of the capacitor C2 is connected with the base electrode of a triode Q3, the emitting electrode of the triode Q3 is connected with the first control end of the wireless emitting chip, the collecting electrode of the triode Q3 is connected with the power supply end of the wireless emitting chip, and the second branch is conducted through the diode D2, the resistor R3 and the capacitor C2 to trigger the triode Q3 to enable the wireless emitting chip to emit a starting signal; the third branch comprises a triode Q1 and a triode Q2, wherein the base electrode of the triode Q2 is connected with the collector electrode of the triode Q1, the triode Q1 controls the conduction state of the triode Q2, the emitter electrode of the triode Q2 is connected with the second control end of the wireless transmitting chip, the triode Q1 is conducted when receiving the on signal of the gun switch, the triode Q2 is further turned off, the triode Q1 is turned off when the on signal is turned off, the triode Q2 is conducted, and the wireless transmitting chip transmits a shutdown signal.
2. The method of claim 1, wherein the controller further comprises a housing, wherein a magnet is disposed on the housing, and wherein the controller is attached to the housing of the stud welding machine by the magnet.
3. The method of claim 1, wherein the first branch of the wireless transmitting module comprises: the device comprises a diode D4 and a capacitor C3, wherein the positive electrode of the diode D4 is connected with the positive electrode of the gun battery, the negative electrode of the diode D4 is connected with the power supply end of the wireless transmitting chip, the negative electrode of the diode D4 is grounded through the capacitor C3, and the stored electric quantity of the capacitor C3 provides turn-off current for the wireless transmitting module when the gun switch is turned off.
4. The method of claim 1, wherein the second branch of the wireless transmitting module further comprises: the resistor R4 and the diode D3, one end of the resistor R4 is connected between the resistor R3 and the capacitor C2, the other end of the resistor R4 and the positive electrode of the diode D3 are grounded, and the negative electrode of the diode D3 is connected with the base electrode of the triode Q3; when the gun switch is turned off, the electricity of the capacitor C2 is released through the resistor R4 and the diode D3.
5. The wireless control method of the stud welding equipment according to claim 1, wherein in the third branch of the wireless emission module, a base electrode of the triode Q1 is connected with an anode of a gun battery through a resistor R1, an emitter electrode of the triode Q1 is grounded, a collector electrode of the triode Q1 is connected with a cathode of a diode D1 through a resistor R2, the cathode of the diode D1 is grounded through a capacitor C1, an anode of the diode D1 is connected with an anode of the gun battery, a collector electrode of the triode Q1 is also connected with a base electrode of a triode Q2, an emitter electrode of the triode Q2 is connected with a second control end of the wireless emission chip, and a collector electrode of the triode Q2 is connected with a power supply end of the wireless emission chip;
when the gun switch is closed, the triode Q1 is switched on, and the triode Q2 is switched off;
when the gun switch is turned off, the triode Q1 is turned off, and the energy storage of the capacitor C1 is used for triggering the triode Q2 to be turned on through the resistor R2, so that the wireless transmitting chip transmits a shutdown signal.
6. The method of claim 1, wherein the wireless transmitting chip is of the type ev1527.
7. The method of claim 1, wherein the wireless receiving module comprises:
the wireless receiving chip is used for receiving the wireless signals sent by the wireless transmitting chip;
the input end of the voltage stabilizing block is connected with the power supply end of the control socket, and the output end of the voltage stabilizing block is connected with the wireless receiving chip to supply power to the wireless receiving chip;
the on control circuit comprises a bridge rectifier circuit, a triode Q4, a resistor R5, a resistor R6 and a resistor R7, wherein one input end of the bridge rectifier circuit is connected with one switch end of the control socket, the other input end of the bridge rectifier circuit is connected with the other switch end of the control socket, the positive electrode of the bridge rectifier circuit is connected with the collector electrode of the triode Q4 through the resistor R5, the negative electrode of the bridge rectifier circuit is connected with the emitter electrode of the triode Q4, the base electrode of the triode Q4 is connected with the first output end of the wireless receiving chip through the resistor R6, the emitter electrode of the triode Q4 is connected with the second output end of the wireless receiving chip, and the resistor R7 is connected between the base electrode and the emitter electrode of the triode Q4 in parallel.
8. The method of claim 7, wherein the wireless receiving chip is a WF105RB.
9. The method of claim 7, wherein the negative pole of the bridge rectifier circuit of the wireless receiving module is grounded.
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| CN115156670A (en) | 2022-10-11 |
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