CN111230268B - Hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity - Google Patents
Hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity Download PDFInfo
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- CN111230268B CN111230268B CN202010064275.7A CN202010064275A CN111230268B CN 111230268 B CN111230268 B CN 111230268B CN 202010064275 A CN202010064275 A CN 202010064275A CN 111230268 B CN111230268 B CN 111230268B
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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
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
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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
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1087—Arc welding using remote control
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Abstract
A hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity belongs to the technical field of industrial control, electromechanical equipment and electronics. Comprises the following steps: the afterbody is connected with welder barrel (1) of heavy current cable, cover electromagnetic induction magnetic ring coil (2) that the welder barrel is in afterbody cable junction, receive the current transformation and protection circuit (3) of induction energy, store super capacitor (4) of electromagnetic induction energy, microcontroller coding control circuit (5) that have welder parameter adjustment function button and pilot lamp, wireless transmitting module (6) and the welding control button switch (7) of short distance micropower constitute, the inside at welder casing (8) of engineering plastics preparation is all installed to above part, install in addition at the manual welding control end of welder in wireless receiving module (9). The wireless remote control electronic part is powered by using electromagnetic induction energy of pulse current generated by welding and a capacitive energy storage technology, and a battery and a control wiring are replaced by a non-contact power taking mode.
Description
Technical Field
The invention relates to a handheld wireless remote control electric welding gun capable of automatically sensing and taking electricity, and belongs to the technical field of industrial control, electromechanical equipment and electronics.
Background
With the progress of modern manufacturing technology, the metal welding equipment of the welding machine is developed towards digitization, automation and intellectualization. Even the common movable manual welding machine is in humanized development towards precision, smallness, multifunction, convenient operation and the like. The simple hand-held arc welding tool also has the disadvantages of high technical skill requirement, single function and high labor intensity, thereby influencing the market competitiveness. In some upgraded equipment such as digital precision spot welding machines, cold welding machines, gas shielded welding machines and the like, the use functions of most welding guns are increased, so that excessive connecting lines on a welding tool influence the exertion of operation skills.
Disclosure of Invention
The invention relates to a handheld wireless remote control electric welding gun capable of automatically sensing and taking electricity, which utilizes pulse current generated during welding and flowing through a welding gun to obtain energy during welding through electromagnetic induction, and stores the energy in a super capacitor for wireless remote control;
in order to achieve the above object, the present invention adopts the following technical solutions, and has the following features:
the invention relates to a hand-held wireless remote control electric welding gun capable of automatically inducing and taking electricity; the electric welding torch is characterized in that the electric welding torch is automatically and remotely controlled in a handheld mode through induction power taking, and comprises: the welding gun comprises a welding gun barrel (1) with a large-current cable connected at the tail part, an electromagnetic induction magnetic ring coil (2) sleeved at the joint of the welding gun barrel and the tail part cable, a current conversion and protection circuit (3) for receiving induction energy, a super capacitor (4) for storing the electromagnetic induction energy, a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp, a short-range micro-power-consumption wireless transmitting module (6) and a welding control button switch (7), wherein the parts are all arranged in a welding gun shell (8) made of engineering plastics; a wireless receiving module (9) is arranged at a manual welding control end of the electric welding machine;
the handheld wireless remote control electric welding gun capable of automatically inducing and taking electricity is characterized in that the end of an electromagnetic induction magnetic ring coil (2) penetrating through a gun barrel (1) of the welding gun is connected with the input end of a current conversion and protection circuit (3) for receiving induction energy in parallel, and the output end of the current conversion and protection circuit (3) is connected with a super capacitor (4) for storing the electromagnetic induction energy in parallel; a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp is connected with a short-range micro-power consumption wireless transmitting module (6) in parallel; the anode of the super capacitor (4) is connected to the input anode of a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp through a welding control button switch (7) which is connected in series, and the cathode of the super capacitor (4) is connected with the input cathode of the microcontroller coding control circuit (5);
the electromagnetic induction magnetic ring coil (2) is improved on the basis of the Rogowski coil, and a high-permeability material annular magnetic core with the same annular structure is added in the electromagnetic induction magnetic ring coil to efficiently transfer electromagnetic energy and reduce the installation volume; in the welding process, the pulse current passing through the coil of the electromagnetic induction magnetic ring coil (2) induces enough electromotive force to be used as power supply energy of a welding gun remote control circuit;
the input end of the current conversion and protection circuit (3) is connected with a high-speed response diode, so that the pulse current input by the electromagnetic induction magnetic loop coil (2) is ensured to be charged and stored for the super capacitor (4) in a one-way manner; the current conversion and protection circuit (3) is provided with a transient diode, so that the circuit is prevented from being damaged due to overhigh induction voltage; meanwhile, the capacitor and the inductor are required to play roles of buffering and protection;
furthermore, the output anode of the electromagnetic induction magnetic loop coil (2) is connected with the anode of a high-speed response diode in the current conversion and protection circuit (3), the cathode of the high-speed response diode is connected with the cathode of a transient diode and one end of an inductor, and the other end of the inductor is sequentially connected with the anode of a capacitor and the anode of a super capacitor (4); the output cathode of the electromagnetic induction magnetic loop coil (2) is sequentially connected with the anode of a transient diode, the cathode of the capacitor and the cathode of the super capacitor (4) in the current conversion and protection circuit (3);
the super capacitor (4) is a device for storing energy, and the super capacitors with different parameters are selected according to different types of welding machines; the super capacitor (4) supplies power to the microcontroller coding control circuit (5) and the wireless transmitting module (6) under the control of the welding control button switch (7);
the input end of the microcontroller coding control circuit (5) is provided with a voltage stabilizing circuit to ensure that the super capacitor (4) can stably supply power when the initial voltage is too high, a key and an indicator lamp in the microcontroller coding control circuit (5) are protruded above a handle of the welding gun shell (8), the key can be simply remotely controlled during working, and the indicator lamp can indicate the working state of the welding gun; when the microcontroller coding control circuit (5) is connected with a power supply, a wireless remote control signal is sent through the wireless transmitting module (6) and is used for remotely operating the electric welding machine.
The wireless transmitting module (6) should select an ultra-low power consumption micro programmable wireless transmitting module, and can transmit wireless remote control information according to an instruction sent by the microcontroller coding control circuit (5);
the welding control button switch (7) adopts a long-life lock-free press switch and is used for controlling the power supply of the microcontroller coding control circuit (5) and the wireless transmitting module (6); the welding gun shell (8) is customized according to the internal structure; the wireless receiving module (9) is arranged inside the electric welding machine and is used for replacing wired remote control of the electric welding machine; the wireless receiving module (9) controls and inputs the electric welding machine and receives a wireless remote control signal sent by the wireless transmitting module (6).
The invention removes the control cable of the electric welding gun, controls electric welding by using the microcontroller and the wireless module, and does not need to frequently adjust the parameters of the panel of the welding machine, thereby leading the welding operation to be more convenient and efficient.
In order to improve the man-machine operation affinity of the welding machine, the invention utilizes the electromagnetic induction energy of the pulse current generated by welding and matches with the capacitive energy storage technology to supply power for the wireless remote control electronic part in the welding gun, and a non-contact power taking mode is used for replacing a battery, thereby reducing the troubles of equipment maintenance and battery replacement.
Practical use shows that the welding machine improves the service performance of welding machine products, improves production efficiency and reduces labor intensity.
Description of the drawings:
FIG. 1 is a schematic structural view of a hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity
FIG. 2 is a schematic diagram of a hand-held wireless remote control electric welding gun circuit capable of automatically sensing and taking electricity
FIG. 3 is a schematic illustration of a hand-held wireless remote control electric welding gun with automatic induction power supply
FIG. 4 is a flow chart of a hand-held wireless remote control electric welding gun with automatic induction power supply
Detailed Description
The present invention will be further illustrated with reference to the following examples, but the present invention is not limited to the following examples. Fig. 1, fig. 2, fig. 3 and fig. 4 are given as examples of the application of the welding of the intelligent type welding machine of the present invention.
A hand-held wireless remote control electric welding gun capable of automatically obtaining electricity by induction comprises: the welding gun comprises a welding gun barrel (1), an electromagnetic induction magnetic ring coil (2), a current conversion and protection circuit (3), a super capacitor (4), a microcontroller coding control circuit (5), a wireless transmitting module (6) and a welding control button switch (7), wherein the components are all arranged inside a welding gun shell (8); in addition, a wireless receiving module (9) is arranged at the manual welding control end of the welding machine.
An electromagnetic induction magnetic ring coil (2) sleeved on a welding gun barrel and positioned at the connection part of a tail cable is improved on the basis of a Rogowski (Rogowski) coil, and a high-permeability material magnetic core is added to efficiently transfer electromagnetic energy and reduce the installation volume; in the welding process, the pulse current passing through the coil of the electromagnetic induction magnetic ring coil (2) induces enough electromotive force as the power supply energy of a welding gun remote control circuit.
The end of an electromagnetic induction magnetic ring coil (2) which is sleeved on a gun barrel of the welding gun and is positioned at the joint of a tail cable is connected with the input end of a current conversion and protection circuit (3) for receiving induction energy in parallel, and the output end of the current conversion and protection circuit is connected with a super capacitor (4) for storing the electromagnetic induction energy in parallel; a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp is connected with a short-range micro-power consumption wireless transmitting module (6) in parallel; the anode of the super capacitor (4) is connected to the input end of a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator light through a welding control button switch (7) which is connected in series.
The input end of the current conversion and protection circuit (3) for receiving the induction energy is connected with a high-speed response diode, so that the pulse current input by the electromagnetic induction magnetic ring coil (2) is ensured to be the one-way charging energy storage of the super capacitor (4), and the microcontroller coding control circuit (5) and the short-range micro-power consumption wireless transmitting module (6) are powered under the control of the welding control button switch (7).
The input end of the microcontroller coding control circuit (5) is provided with a voltage stabilizing circuit to ensure that the super capacitor (4) can stably supply power when the initial voltage is too high, a key and an indicator lamp in the microcontroller coding control circuit (5) are protruded above a handle of the welding gun shell (8), the key can be simply remotely controlled during working, and the indicator lamp can indicate the working state of the welding gun; when the microcontroller coding control circuit (5) is connected with a power supply, a wireless remote control signal is sent through the wireless transmitting module (6) and is used for remotely operating the electric welding machine.
The hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity has the following overall working process:
a. when the welding gun is used for the first time, the welding gun needs to be subjected to trial welding in a manual control mode, and the current of the electromagnetic induction magnetic ring coil (2) is charged to the super capacitor (4) through the overcurrent conversion and protection circuit (3);
b. after initial charging, a welding control button switch (7) is pressed each time, a microcontroller coding control circuit (5) and a short-range micro-power consumption wireless transmitting module (6) are connected, a remote control command is sent to the inside of the welding machine once to complete welding, and meanwhile, a super capacitor (4) is continuously charged in an induction mode, so that welding work is continued.
Example 1
FIG. 1 is a schematic view of a hand-held wireless remote control electric welding gun with automatic induction power supply. The electric welding torch is characterized in that the handheld wireless remote control electric welding torch capable of automatically sensing and taking electricity comprises: the welding gun comprises a welding gun barrel (1) with a large-current cable connected at the tail part, an electromagnetic induction magnetic ring coil (2) sleeved at the joint of the welding gun barrel and the tail part cable, a current conversion and protection circuit (3) for receiving induction energy, a super capacitor (4) for storing the electromagnetic induction energy, a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp, a short-range micro-power-consumption wireless transmitting module (6) and a welding control button switch (7), wherein the parts are all arranged in a welding gun shell (8) made of engineering plastics; in addition, a wireless receiving module (9) is arranged at a manual welding control end of the welding machine.
FIG. 2 is a schematic diagram of a circuit of a hand-held wireless remote control electric welding gun capable of automatically inducing and taking electricity, wherein the end of an electromagnetic induction magnetic ring coil (2) sleeved on a gun barrel of the welding gun at the joint of a tail cable is connected with the input end of a current transformation and protection circuit (3) for receiving induction energy in parallel, and the output end of the current transformation and protection circuit is connected with a super capacitor (4) for storing the electromagnetic induction energy in parallel; a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp is connected with a short-range micro-power consumption wireless transmitting module (6) in parallel; the anode of the super capacitor (4) is connected to the input end of a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp through a welding control button switch (7) which is connected in series; the wireless receiving module (9) is arranged at the welding control end of the electric welding machine;
furthermore, in this embodiment, the output anode of the electromagnetic induction magnetic loop coil (2) is connected to the anode of a high-speed response diode in the current conversion and protection circuit (3), the cathode of the high-speed response diode is connected to the cathode of the transient diode and one end of an inductor, and the other end of the inductor is connected to the anode of the capacitor and the anode of the super capacitor (4); the output cathode of the electromagnetic induction magnetic loop coil (2) is connected with the anode of a transient diode, the cathode of a capacitor and the cathode of a super capacitor (4) in the current conversion and protection circuit (3); the high-speed response diode is realized by adopting a fast recovery diode US1G, and the transient diode is realized by adopting SMAJ5.0CA;
the electromagnetic induction magnetic loop coil (2) adopts a Rogowski coil with a high-permeability magnetic core; the super capacitor (4) is realized by adopting 5.5V and 5F super capacitors; the microcontroller coding control circuit (5) is realized by a 1.8V low-power consumption microcontroller; the short-range micro-power consumption wireless transmitting module (6) is realized by adopting a 315M super-regenerative wireless transmitting module; the wireless receiving module (9) is realized by adopting a 315M super-regenerative wireless receiving module.
An electromagnetic induction magnetic ring coil (2) sleeved on a welding gun barrel and positioned at the connection part of a tail cable is improved on the basis of a Rogowski (Rogowski) coil, and a high-permeability material magnetic core is added to efficiently transfer electromagnetic energy and reduce the installation volume; in the welding process, the pulse current passing through the coil of the electromagnetic induction magnetic ring coil (2) induces enough electromotive force as the power supply energy of a welding gun remote control circuit.
The input end of the current conversion and protection circuit (3) for receiving the induction energy is connected with a high-speed response diode, so that the pulse current input by the electromagnetic induction magnetic ring coil (2) is ensured to be the one-way charging energy storage of the super capacitor (4), and the microcontroller coding control circuit (5) and the short-range micro-power consumption wireless transmitting module (6) are powered under the control of the welding control button switch (7).
Fig. 3 is a schematic illustration of a hand-held wireless remote control electric welding gun capable of automatically induction power taking, in the embodiment, a gun barrel (1) of the welding gun passes through a coil of an electromagnetic induction magnetic ring coil (2) to induce electromotive force to supply power for a welding gun remote control circuit;
the following is further elaborated based on the electromagnetic induction theory, circuit and device basic principles:
the electromagnetic induction magnetic loop coil (2) is improved on the basis of a well-known Rogowski (Rogowski) coil, a high-permeability material is added to reduce the assembly volume and conduct enough energy, the magnetic loop coil is composed of a circular-ring-shaped magnetizer and an enameled coil which is directionally and orderly wound, and the appearance structure is shown as a figure 3-A;
fig. 3-a is a front view of the rogowski coil on the left and a side view of the rogowski coil on the right, wherein reference numeral a is the outer diameter of the coil and D is the thickness of the coil, and in this embodiment, a is 30mm and D is 10 mm.
FIG. 3-B shows the time-varying current I in a cylindrical barrel conductor through a magnetic ring when a current flows in the gun barrel (1) of the welding gun1(t)According to the Biot-Savart Law, an intensity B is generated around the current in the tangential direction of the magnetic ring1(t)The magnetic field of (1).
In the formula B1(t)Is a function of the variation of magnetic field strength and time, mu is the magnetic permeability of the magnetic ring, I1(t)As a function of the current over time, l being the distance of the magnetic ring from the wire, θ1Is the angle theta between the magnetic ring and the top end of the wire2The included angle between the magnetic ring and the bottom end of the lead is formed;
the magnetic conductivity of the magnetic ring is mu, the thickness of the coil is H, the difference delta l between the inner diameter and the outer diameter of the magnetic ring, and the total magnetic flux passing through the inner part of the coil are obtained by integration:
and (3) carrying in parameters, integrating and simplifying to obtain the magnetic flux of a single circle:
wherein R is the inner diameter of the magnetic ring, R is the outer diameter of the magnetic ring, the number of turns of the coil is N, and the electromagnetic flux phi passing through the bus coil1(t)Comprises the following steps:
Φ1(t)＝NΦ0 (4)
is recorded as:
Φsum(t)＝G·I1(t) (6)
wherein G is a constant parameter related to the physical structure of the coil;
according to faraday's law of electromagnetic induction, the induced electromotive force in the coil is:
then considering the influences of actual magnetic leakage, high-frequency radiation, coil and load resistance and the like, adding a compensation parameter Z less than 1, wherein the actual magnetic ring coil induced voltage is as follows:
FIG. 3-C shows two different induced impulse currentsiThe amplitude, the charging process of the energy storage capacitor can be estimated from the voltage waveform induced when the welding gun pulse current passes through the coil:
for curve AiIn other words, the amplitude of the induced voltage corresponding to point a is the same as the amplitude of the induced voltage corresponding to point d, and the duration between the two points a and d is tad(ii) a For curve BiIn other words, the amplitude of the induced voltage corresponding to point b is the same as the amplitude of the induced voltage corresponding to point c, and the duration between the two points b and c is tbcAnd t isad>tbcTherefore, the larger the welding current amplitude of the same induction coil is, the longer the induction waveform lasts, the more sufficient the energy of the energy storage capacitor is, and the longer the circuit works;
in this embodiment, the energy storage capacitor C is charged by the average current I estimated by designing the coil induced voltage. According to a relation formula Q of capacitor capacity C, energy Q stored in a capacitor and capacitor voltage U, which is U.C; the definition Q of current I, quantity of electricity Q and time t is I · t, and the relation between time t and current can be derived:
in the formula of UCTo charge the completion voltage, UOIs the initial voltage of the capacitor. Taking the maximum energy storage capacitor voltage as U-10V, selecting the energy storage capacitor voltage as C-1F, and calculating the charging time of the energy storage capacitor to obtain the following result:
initial use of welding gun, initial U of capacitor0When the average value I of the magnetic loop induced current is 0V and 5A, 2S is required for the energy storage capacitor of 1F to charge to 10V.
3-D show the time for which the energy storage capacitor continues to power the remote control circuit for the duration of time the welding button is pressed, and the following is a calculation of the time for which the remote control circuit continues to operate after the energy storage capacitor is fully charged;
assuming that the capacitor C with the initial voltage Vo is discharged through the resistor with the resistor R, so that the capacitor is discharged to any time t, the voltage on the capacitor is:
wherein Vt is the capacitor voltage at any moment, V0 is the initial voltage of the capacitor, R is the resistance, C is the capacitor capacity, and t is the time;
in this embodiment, when the capacitor full-charge voltage Vo is 10V, the power supply operation starts, the remote control module circuit operating voltage Vt is 3.3V, the operating average current is 0.01A, the time that the capacitor voltage can be normally supplied is the time when the capacitor voltage drops from 10V to 3.3V, and it can be directly estimated that:
t ═ Vo-Vt) × C/I ═ (10V-3.3V) × 1F/0.01A ═ 670S, and power can be supplied for approximately 10 minutes continuously;
if the remote control power supply time of 0.5S per time is used only as a jog remote control switch, even if welding is no longer performed, the jog idle operation can be performed thousands of times.
FIG. 4 is a flow chart of a hand-held wireless remote control electric welding gun with automatic induction power taking function:
a. when the electric welding torch is used for the first time, the welding torch needs to be subjected to trial welding in a manual control mode, and normal welding operation can be started as long as the induced current of the electromagnetic induction magnetic ring coil (2) charges the super capacitor (4) through the overcurrent conversion and protection circuit (3) and is higher than the normal working voltage of the circuit, and the indicator lamp is flash; with the following welding work, the welding gun can continuously supplement the energy stored in the super capacitor (4);
b. after initial charging, a welding control button switch (7) is pressed each time, a microcontroller coding control circuit (5) and a short-range micro-power consumption wireless transmitting module (6) are connected, a remote control command is sent to a wireless receiving module (9) in the welding machine once to complete welding, and meanwhile, a super capacitor (4) is continuously charged in an induction mode to enable welding work to continue.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications may be made to the technical solutions of the present invention by those skilled in the art without departing from the spirit of the present invention, which is defined by the claims.
Claims (9)
1. A hand-held wireless remote control electric welding gun capable of automatically taking electricity by induction is characterized in that the electric welding machine is remotely controlled by using pulse current electromagnetic induction energy generated by welding, and a battery and a control wiring are replaced by a non-contact electricity taking mode; the hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity comprises: the welding gun comprises a welding gun barrel (1) with a large-current cable connected at the tail part, an electromagnetic induction magnetic ring coil (2) which penetrates through the joint of the welding gun barrel and the tail part cable and is sleeved on the welding gun barrel, a current conversion and protection circuit (3) for receiving induction energy, a super capacitor (4) for storing the electromagnetic induction energy, a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp, a short-range micro-power-consumption wireless transmitting module (6) and a welding control button switch (7), wherein the parts are all arranged inside a welding gun shell (8) made of engineering plastics; a wireless receiving module (9) is arranged at a manual welding control end of the electric welding machine;
the end of an electromagnetic induction magnetic ring coil (2) penetrating through a gun barrel (1) of the welding gun is connected in parallel with the input end of a current conversion and protection circuit (3) for receiving induction energy, and the output end of the current conversion and protection circuit (3) is connected in parallel with a super capacitor (4) for storing electromagnetic induction energy; a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp is connected with a short-range micro-power consumption wireless transmitting module (6) in parallel; the anode of the super capacitor (4) is connected to the input anode of a microcontroller coding control circuit (5) with a welding machine parameter adjusting function key and an indicator lamp through a welding control button switch (7) which is connected in series, and the cathode of the super capacitor (4) is connected with the input cathode of the microcontroller coding control circuit (5).
2. The hand-held wireless remote control electric welding gun capable of automatically obtaining electricity by induction according to claim 1,
the electromagnetic induction magnetic ring coil (2) is improved on the basis of the Rogowski coil, a high-permeability material annular magnetic core with the same annular structure is added in the electromagnetic induction magnetic ring coil, and in the welding process, the flowing pulse current passes through the coil of the electromagnetic induction magnetic ring coil (2) to induce enough electromotive force to serve as power supply energy of a welding gun remote control circuit.
3. The hand-held wireless remote control electric welding gun capable of automatically obtaining electricity by induction according to claim 1,
the input end of the current conversion and protection circuit (3) is connected with a high-speed response diode, so that the pulse current input by the electromagnetic induction magnetic loop coil (2) is ensured to be charged and stored for the super capacitor (4) in a one-way manner; the current conversion and protection circuit (3) is provided with a transient diode, so that the circuit is prevented from being damaged due to overhigh induction voltage; and meanwhile, the capacitor and the inductor are arranged to play roles in buffering and protection.
4. The hand-held wireless remote control electric welding gun capable of automatically obtaining electricity by induction according to claim 3, characterized in that the output positive pole of the electromagnetic induction magnetic loop coil (2) is connected with the positive pole of a high-speed response diode in the current transformation and protection circuit (3), the negative pole of the high-speed response diode is connected with the negative pole of a transient diode and one end of an inductor, and the other end of the inductor is sequentially connected with the positive pole of a capacitor and the positive pole of a super capacitor (4); the output cathode of the electromagnetic induction magnetic loop coil (2) is sequentially connected with the anode of a transient diode, the cathode of the capacitor and the cathode of the super capacitor (4) in the current conversion and protection circuit (3).
5. The hand-held wireless remote control electric welding gun capable of automatically obtaining electricity by induction as claimed in claim 1, characterized in that the super capacitor (4) is a device for storing energy, and the super capacitors with different parameters are selected according to different types of welding machines; the super capacitor (4) supplies power to the microcontroller coding control circuit (5) and the wireless transmitting module (6) under the control of the welding control button switch (7).
6. The hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity as claimed in claim 1, characterized in that a voltage stabilizing circuit is arranged at the input end of the microcontroller coding control circuit (5) to ensure stable power supply when the initial voltage of the super capacitor (4) is too high, a key and an indicator lamp in the microcontroller coding control circuit (5) are protruded above a handle of the welding gun shell (8), the key can be simply remotely operated when in work, and the indicator lamp can indicate the working state of the welding gun; when the microcontroller coding control circuit (5) is connected with a power supply, a wireless remote control signal is sent through the wireless transmitting module (6) and is used for remotely operating the electric welding machine.
7. The hand-held wireless remote control electric welding gun capable of automatically sensing and taking electricity according to claim 1, wherein the wireless transmitting module (6) is an ultra-low power consumption micro programmable wireless transmitting module and can transmit wireless remote control information according to an instruction sent by the microcontroller coding control circuit (5).
8. The hand-held wireless remote control electric welding gun capable of automatically obtaining electricity by induction according to claim 1, characterized in that the welding control button switch (7) adopts a long-life lock-free push switch and is used for controlling the power supply of the microcontroller coding control circuit (5) and the wireless transmitting module (6); the welding gun shell (8) is customized according to the internal structure; the wireless receiving module (9) is arranged inside the electric welding machine and is used for replacing wired remote control of the electric welding machine; the wireless receiving module (9) controls and inputs the electric welding machine and receives a wireless remote control signal sent by the wireless transmitting module (6).
9. The overall working method of the automatic induction electricity-taking handheld wireless remote control electric welding gun as claimed in any one of claims 1 to 8, is characterized by comprising the following steps:
a. when the welding gun is used for the first time, the welding gun needs to be subjected to trial welding in a manual control mode, and the current of the electromagnetic induction magnetic ring coil (2) is charged to the super capacitor (4) through the overcurrent conversion and protection circuit (3);
b. after initial charging, a welding control button switch (7) is pressed each time, a microcontroller coding control circuit (5) and a short-range micro-power consumption wireless transmitting module (6) are connected, a remote control command is sent to the inside of the welding machine once to complete welding, and meanwhile, a super capacitor (4) is continuously charged in an induction mode, so that welding work is continued.
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|---|---|---|---|---|
| CN113275790A (en) * | 2021-04-01 | 2021-08-20 | 东风延锋汽车饰件系统有限公司 | Wireless power supply and information transmission structure on welding tire membrane and welding tire membrane system |
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