CN218735060U - High-frequency induction heating power supply integrating light storage function - Google Patents
High-frequency induction heating power supply integrating light storage function Download PDFInfo
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- CN218735060U CN218735060U CN202222815386.4U CN202222815386U CN218735060U CN 218735060 U CN218735060 U CN 218735060U CN 202222815386 U CN202222815386 U CN 202222815386U CN 218735060 U CN218735060 U CN 218735060U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application relates to the technical field of induction heating and discloses a high-frequency induction heating power supply integrating a light storage function. The high-frequency induction heating power supply comprises a commercial power supply, a photovoltaic panel, a battery, an uncontrolled rectifying circuit, a voltage-reducing circuit, a full-bridge inverter circuit, a booster circuit, a bidirectional DC-DC circuit and a heating circuit; the two ends of the commercial power are respectively connected with an uncontrolled rectifying circuit, the voltage reduction circuit is respectively connected with the uncontrolled rectifying circuit and a full-bridge inverter circuit, the full-bridge inverter circuit is connected with the heating circuit, and the heating circuit is connected with the workpiece; two ends of the photovoltaic panel are respectively connected with the booster circuit, and two ends of the booster circuit are respectively connected with two ends of the voltage reduction circuit; two ends of the battery are respectively connected with the bidirectional DC-DC circuit, and two ends of the bidirectional DC-DC circuit are respectively connected with two ends of the voltage reduction circuit. The design of induction heating power has been improved to this application to promote the stability and the energy-conservation nature of induction heating power work, and then improve economic benefits.
Description
Technical Field
The application relates to the technical field of induction heating, in particular to a high-frequency induction heating power supply integrating a light storage function.
Background
The induction heating power supply utilizes the electromagnetic induction principle, outputs voltage through a high-frequency inverter, and then generates high-frequency large current through a capacitor and a ring coil, so that a strong magnetic field with polarity change can be generated on a heating coil. When metal is put into the coil magnetic field, an induced current with the same frequency and the opposite direction as the induction coil is generated in the workpiece under the action of the magnetic field, so that eddy current is formed on the surface of the workpiece, and electric energy is converted into heat energy.
Induction heating is commonly used for metal welding, heating, quenching, annealing, smelting and the like, and has the characteristics of no open fire, high efficiency, convenience for automatic control and the like, so that the induction heating is more and more widely applied to the industries of new energy, medical treatment, hardware and the like.
The existing induction heating workpiece production process is large in energy consumption, and a heating power supply cannot work in the situation that no commercial power or an unstable power grid exists, so that the design of the induction heating power supply is still required to be improved, the working stability and the energy saving performance of the induction heating power supply are improved, and further the economic benefit is improved.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will be solved is to improve the design of induction heating power to promote the stability and the energy-conservation nature of induction heating power work, and then improve economic benefits.
In order to solve the above problems, the present application provides a high-frequency induction heating power supply integrating a light storage function, comprising a commercial power, a photovoltaic panel, a battery, an uncontrolled rectifier circuit, a voltage reduction circuit, a full-bridge inverter circuit, a booster circuit, a bidirectional DC-DC circuit and a heating circuit; the two ends of the commercial power are respectively connected with the uncontrolled rectifying circuit, the voltage reduction circuit is respectively connected with the uncontrolled rectifying circuit and the full-bridge inverter circuit, the full-bridge inverter circuit is connected with the heating circuit, and the heating circuit is connected with a workpiece; two ends of the photovoltaic panel are respectively connected to the boosting circuit, and two ends of the boosting circuit are respectively connected with two ends of the voltage reduction circuit; and two ends of the battery are respectively connected with the bidirectional DC-DC circuit, and two ends of the bidirectional DC-DC circuit are respectively connected with two ends of the voltage reduction circuit.
Preferably, the uncontrolled rectifying circuit comprises a first conduction unit, a second conduction unit, a third conduction unit and a fourth conduction unit, wherein the output end of the first conduction unit is connected with the input end of the second conduction unit to form a first connection point, the input end of the first conduction unit is connected with the input end of the third conduction unit to form a second connection point, the output end of the third conduction unit is connected with the input end of the fourth conduction unit to form a third connection point, the output end of the second conduction unit is connected with the output end of the fourth conduction unit to form a fourth connection point, and two ends of the commercial power are respectively connected with the first connection point and the third connection point.
Preferably, the voltage reduction circuit comprises a first switch unit, a fifth conduction unit and a first resistor, wherein the input end of the fifth conduction unit is connected with the second connection point and the full-bridge inverter circuit respectively, the output end of the fifth conduction unit is connected with the second connection end of the first switch unit to form the fifth connection point, the second connection end of the first switch unit is connected with the fourth connection point, and two ends of the first resistor are connected with the fifth connection point and the full-bridge inverter circuit respectively.
Preferably, the full-bridge inverter circuit includes a second switch unit, a third switch unit, a fourth switch unit and a fifth switch unit, a second connection end of the second switch unit is connected to one end of the first resistor to form a sixth connection point, a first connection end of the second switch unit is connected to a second connection end of the third switch unit to form a seventh connection point, a first connection end of the third switch unit is connected to a first connection end of the fourth switch unit to form an eighth connection point, the eighth connection point is connected to an input end of the fifth conduction unit, a second connection end of the fourth switch unit is connected to a first connection end of the fifth switch unit to form a ninth connection point, and a second connection end of the fifth switch unit is connected to a second connection end of the second switch unit.
Preferably, the heating circuit comprises a high-frequency transformer, a first capacitor and an induction coil, the high-frequency transformer is provided with a first pin, a second pin, a third pin and a fourth pin, the first pin is connected with the seventh connecting point, the second pin is connected with the ninth connecting point, the third pin is connected with the positive electrode of the first capacitor, the fourth pin is connected with the negative electrode of the first capacitor, and two ends of the induction coil are respectively connected with the positive electrode and the negative electrode of the positive electrode of the first capacitor.
Preferably, the boost circuit includes a second capacitor, a third capacitor, a second resistor, a sixth conduction unit and a sixth switch unit, the positive electrode of the second capacitor is connected to the positive electrode of the photovoltaic panel to form a tenth connection point, the negative electrode of the second capacitor is connected to the negative electrode of the photovoltaic panel to form an eleventh connection point, one end of the second resistor is connected to the tenth connection point, the other end of the second resistor is connected to the second connection end of the sixth switch unit to form a twelfth connection point, the first connection end of the sixth switch unit is connected to the eleventh connection point, the input end of the sixth conduction unit is connected to the twelfth connection point, the output end of the sixth conduction unit is connected to the positive electrode of the third capacitor to form a thirteenth connection point, the thirteenth connection point is connected to the fourth connection point, the negative electrode of the third capacitor is connected to the eleventh connection point, and the eleventh connection point is connected to the eighth connection point.
Preferably, the bidirectional DC-DC circuit includes a fourth capacitor, a fifth capacitor, a third resistor, a seventh switch unit and an eighth switch unit, the positive electrode of the fourth capacitor is connected to the positive electrode of the battery to form a fourteenth connection point, the negative electrode of the fourth capacitor is connected to the negative electrode of the battery to form a fifteenth connection point, one end of the third resistor is connected to the fourteenth connection point, the other end of the third resistor is connected to the second connection end of the seventh switch unit to form a sixteenth connection point, the first connection end of the seventh switch unit is connected to the fifteenth connection point, the first connection end of the eighth switch unit is connected to the sixteenth connection point, the second connection end of the eighth switch unit is connected to the positive electrode of the fifth capacitor to form a seventeenth connection point, the seventeenth connection point is connected to the fourth connection point and the thirteenth connection point at the same time, the negative electrode of the fifth capacitor is connected to the fifteenth connection point, and the fifteenth connection point is connected to the eighth connection point and the eleventh connection point at the same time.
Preferably, the capacitor further comprises a sixth capacitor and a seventh capacitor, wherein a positive electrode of the sixth capacitor is connected with the fourth connection point, a negative electrode of the sixth capacitor is connected with the second connection point, a positive electrode of the seventh capacitor is connected with the sixth connection point, and a negative electrode of the seventh capacitor is connected with the eighth connection point.
Preferably, each conduction unit includes a rectifier diode and a conduction resistor, the anode of the rectifier diode is the input end of each conduction unit, the cathode of the rectifier diode is the output end of each conduction unit, and the two ends of the conduction resistor are respectively connected in parallel to the anode and the cathode of the rectifier diode.
Preferably, each switch unit comprises a switch diode and an MOS transistor, a source of the MOS transistor is a first connection end of each switch unit, a drain of the MOS transistor is a second connection end of each switch unit, a gate of the MOS transistor is a control end of each switch unit, the gate of the MOS transistor is used for connecting a control chip, an anode of the switch diode is connected with the source of the MOS transistor, and a cathode of the switch diode is connected with the drain of the MOS transistor.
Compared with the prior art, the method has at least one of the following beneficial technical effects:
when the photovoltaic is sufficient, the output voltage of the booster circuit is controlled to be higher than the rectified voltage of the commercial power, so that the photovoltaic is preferentially used for supplying power to the induction heating power supply, and the battery is charged until the battery is charged; when the photovoltaic energy is insufficient, the output voltage of the booster circuit is pulled down by the induction heating power supply, and at the moment, the battery power supply or the commercial power supply can be selected according to the power consumption cost of the commercial power to reduce the power consumption cost; at night, the commercial power can be selected to charge the battery because the electricity price is lower, so that the battery can be used for supplying power when the commercial electricity price is high in the daytime, the purposes of peak clipping and valley filling and peak valley electricity price difference sleeving are achieved, and the battery can be completely used for supplying power on occasions without commercial electricity and photovoltaic electricity. From this, through the design of improving induction heating power, make this high frequency induction heating power possess the function of photovoltaic and energy storage, promote the stability and the energy-conservation nature of induction heating power work, can ensure that this high frequency induction heating electrical power generating system's application is more nimble, does not receive mains supply and the unstable influence of electric wire netting, and then improves economic benefits.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of a high frequency induction heating power supply in the present application.
Description of reference numerals: A. commercial power; PV, photovoltaic panels; B. a battery; d1, a first conduction unit; d2, a second conduction unit; d3, a third conduction unit; d4, a fourth conducting unit; d5, a fifth conducting unit; d6, a sixth conducting unit; m1, a first switch unit; m2, a second switch unit; m3, a third switching unit; m4, a fourth switch unit; m5, a fifth switch unit; m6, a sixth switch unit; m7, a seventh switch unit; m8, an eighth switching unit; r1 and a first resistor; r2 and a second resistor; r3 and a third resistor; t, a high-frequency transformer; c1, a first capacitor; c2, a second capacitor; c3, a third capacitor; c4, a fourth capacitor; c5, a fifth capacitor; c6, a sixth capacitor; c7, a seventh capacitor; l, induction coil.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, the embodiment of the utility model discloses integrated light stores up high frequency induction heating power of function. The high-frequency induction heating power supply comprises a commercial power A, a photovoltaic panel PV, a battery B, an uncontrolled rectifying circuit, a voltage reduction circuit, a full-bridge inverter circuit, a booster circuit, a bidirectional DC-DC circuit and a heating circuit. The two ends of the commercial power A are respectively connected with an uncontrolled rectifying circuit, and the alternating current voltage of the 220V commercial power A is converted into direct current voltage through the uncontrolled rectifying circuit; the voltage reduction circuit is respectively connected with the uncontrolled rectifying circuit and the full-bridge inverter circuit, the voltage is regulated through the voltage reduction circuit and is output to the full-bridge inverter circuit, and the full-bridge inverter circuit carries out alternating current action through pulse signals so as to output high-frequency alternating current voltage; the full-bridge inverter circuit is connected with the heating circuit, the heating circuit is connected with the workpiece, and the high-frequency alternating current voltage generates alternating current through the heating circuit so as to obtain a magnetic field to heat the workpiece.
Meanwhile, two ends of a photovoltaic panel PV are respectively connected to a booster circuit, two ends of the booster circuit are respectively connected with two ends of a buck circuit, the booster circuit is used for boosting and performing MPPT, and the MPPT is maximum power tracking; two ends of the battery B are respectively connected with the bidirectional DC-DC circuit, two ends of the bidirectional DC-DC circuit are respectively connected with two ends of the voltage reduction circuit, and the bidirectional DC-DC circuit is used for charging and discharging the battery B. The booster circuit and the bidirectional DC-DC circuit are both output through the full-bridge inverter circuit and the heating circuit, three paths of power input can be achieved to supply power to the induction heating power supply, and the high-frequency induction heating power supply can also work normally even if no commercial power A exists or the power grid is unstable.
Specifically, the high-frequency induction heating power supply is provided with a plurality of conducting units, and each conducting unit comprises a rectifier diode and a conducting resistor. The positive pole of the rectifier diode is the input end of each conduction unit, the negative pole of the rectifier diode is the output end of each conduction unit, and the two ends of the conduction resistor are respectively connected in parallel with the positive pole and the negative pole of the rectifier diode. The uncontrolled rectifier circuit converts an external alternating voltage into a direct voltage by utilizing the unidirectional conductive performance of the rectifier diode, under the ideal condition, the rectifier diode has no inertia and no loss, and because the on-off of the rectifier diode only needs a few microseconds, the on-off can be regarded as instantaneous completion for a half period of 50Hz current.
The high-frequency induction heating power supply is also provided with a plurality of switch units, each switch unit comprises a switch diode and an MOS (metal oxide semiconductor) tube, and in the embodiment, the MOS tube is a field-effect tube enhanced N-MOS. The source electrode of the MOS tube is a first connecting end of each switch unit, the drain electrode of the MOS tube is a second connecting end of each switch unit, the grid electrode of the MOS tube is a control end of each switch unit, the grid electrode of the MOS tube is used for being connected with a control chip to receive control signals, the positive electrode of the switch diode is connected with the source electrode of the MOS tube, and the negative electrode of the switch diode is connected with the drain electrode of the MOS tube.
With reference to fig. 1, the uncontrolled rectifying circuit includes a first conducting unit D1, a second conducting unit D2, a third conducting unit D3, and a fourth conducting unit D4. The output end of the first conduction unit D1 is connected with the input end of the second conduction unit D2 to form a first connection point, the input end of the first conduction unit D1 is connected with the input end of the third conduction unit D3 to form a second connection point, the output end of the third conduction unit D3 is connected with the input end of the fourth conduction unit D4 to form a third connection point, the output end of the second conduction unit D2 is connected with the output end of the fourth conduction unit D4 to form a fourth connection point, and two ends of the commercial power A are respectively connected with the first connection point and the third connection point.
The voltage reduction circuit includes a first switch unit M1, a fifth conduction unit D5, and a first resistor R1. The input end of the fifth conduction unit D5 is connected with the second connection point and the full-bridge inverter circuit respectively, the output end of the fifth conduction unit D5 is connected with the second connection end of the first switch unit M1 to form a fifth connection point, the second connection end of the first switch unit M1 is connected with the fourth connection point, and two ends of the first resistor R1 are connected with the fifth connection point and the full-bridge inverter circuit respectively.
The full-bridge inverter circuit comprises a second switching unit M2, a third switching unit M3, a fourth switching unit M4 and a fifth switching unit M5. The second connection end of the second switch unit M2 is connected to one end of the first resistor R1 to form a sixth connection point, the first connection end of the second switch unit M2 is connected to the second connection end of the third switch unit M3 to form a seventh connection point, the first connection end of the third switch unit M3 is connected to the first connection end of the fourth switch unit M4 to form an eighth connection point, the eighth connection point is connected to the input end of the fifth conduction unit D5, the second connection end of the fourth switch unit M4 is connected to the first connection end of the fifth switch unit M5 to form a ninth connection point, and the second connection end of the fifth switch unit M5 is connected to the second connection end of the second switch unit M2.
The heating circuit includes a high-frequency transformer T, a first capacitor C1 and an induction coil L, and in this embodiment, the high-frequency transformer T is specifically a three-phase transformer. The high-frequency transformer T is provided with a first pin, a second pin, a third pin and a fourth pin, the first pin is connected with a seventh connecting point, the second pin is connected with a ninth connecting point, the third pin is connected with the anode of the first capacitor C1, the fourth pin is connected with the cathode of the first capacitor C1, and two ends of the induction coil L are respectively connected with the anode and the cathode of the anode of the first capacitor C1. In contrast, the power is adjusted by controlling the voltage reduction circuit, and the inverted output frequency is continuously adjusted by sampling the voltage and current phases on the high-frequency transformer T, so that the induction coil L and the first capacitor C1 at the rear end reach a resonance state, and the power and frequency modulation control is realized to reach the best output state.
The boost circuit includes a second capacitor C2, a third capacitor C3, a second resistor R2, a sixth conducting unit D6, and a sixth switching unit M6. The positive electrode of the second capacitor C2 is connected with the positive electrode of the photovoltaic panel PV to form a tenth connection point, the negative electrode of the second capacitor C2 is connected with the negative electrode of the photovoltaic panel PV to form an eleventh connection point, one end of the second resistor R2 is connected with the tenth connection point, the other end of the second resistor R2 is connected with the second connection end of the sixth switching unit M6 to form a twelfth connection point, the first connection end of the sixth switching unit M6 is connected with the eleventh connection point, the input end of the sixth conduction unit D6 is connected with the twelfth connection point, the output end of the sixth conduction unit D6 is connected with the positive electrode of the third capacitor C3 to form a thirteenth connection point, the thirteenth connection point is connected with the fourth connection point, the negative electrode of the third capacitor C3 is connected with the eleventh connection point, and the eleventh connection point is connected with the eighth connection point.
The bidirectional DC-DC circuit comprises a fourth capacitor C4, a fifth capacitor C5, a third resistor R3, a seventh switching unit M7 and an eighth switching unit M8. The positive electrode of a fourth capacitor C4 is connected with the positive electrode of a battery B to form a fourteenth connection point, the negative electrode of the fourth capacitor C4 is connected with the negative electrode of the battery B to form a fifteenth connection point, one end of a third resistor R3 is connected with the fourteenth connection point, the other end of the third resistor R3 is connected with the second connection end of a seventh switch unit M7 to form a sixteenth connection point, the first connection end of the seventh switch unit M7 is connected with the fifteenth connection point, the first connection end of an eighth switch unit M8 is connected with the sixteenth connection point, the second connection end of the eighth switch unit M8 is connected with the positive electrode of a fifth capacitor C5 to form a seventeenth connection point, the seventeenth connection point is connected with the fourth connection point and the thirteenth connection point at the same time, the negative electrode of the fifth capacitor C5 is connected with the fifteenth connection point, and the fifteenth connection point is connected with the eighth connection point and the eleventh connection point at the same time.
Further, the high-frequency induction heating power supply further includes a sixth capacitor C6 and a seventh capacitor C7, in this embodiment, the sixth capacitor C6 and the seventh capacitor C7 are polar capacitors. The capacitance of the polar capacitor per unit volume is very large, and is dozens to hundreds of times of that of other capacitors; meanwhile, the rated capacity of the polar capacitor can be very large, and tens of thousands of muf or even several f can be easily realized; in addition, the polar capacitor is made of common industrial materials, such as aluminum, and the equipment for manufacturing the polar capacitor is common industrial equipment, can be produced in a large scale, and is relatively low in cost. Specifically, the positive electrode of the sixth capacitor C6 is connected to the fourth connection point, and the negative electrode of the sixth capacitor C6 is connected to the second connection point; the positive pole of the seventh capacitor C7 is connected to the sixth connection point, and the negative pole of the seventh capacitor C7 is connected to the eighth connection point.
Therefore, the control strategy of the high-frequency induction heating power supply is as follows: when the photovoltaic is sufficient, the output voltage of the booster circuit is controlled to be higher than the rectified voltage of the commercial power A, so that the photovoltaic is preferentially used for supplying power to the induction heating power supply, and the battery B is charged at the same time until the charging of the battery B is finished; when the photovoltaic energy is insufficient, the output voltage of the booster circuit is pulled down by the induction heating power supply, and at the moment, the battery B or the mains supply A can be used for supplying power according to the power consumption cost of the mains supply A, so that the power consumption cost is reduced; at night, the commercial power A can be selected to charge the battery B due to low electricity price, so that the battery B is used for supplying power when the commercial power A is high in price in the daytime, and the purposes of peak clipping, valley filling and peak-valley electricity price difference collection are achieved.
According to this control strategy, in the case of sufficient photovoltaic, photovoltaic power generation can be preferentially used to power the induction heating power supply, while excess power is charged to battery B for storage within battery B; under the condition of no commercial power A, the photovoltaic and the battery B can be used for supplying power together, the battery B can be charged through the photovoltaic, and the battery B can be used for supplying power under the condition of insufficient photovoltaic; under the condition that no commercial power A and no photovoltaic are available, the battery B can be completely used for supplying power. From this, through the design of improving induction heating power, make this high frequency induction heating power possess the function of photovoltaic and energy storage, promote the stability and the energy-conservation nature of induction heating power work, can ensure that this high frequency induction heating electrical power generating system's application is more nimble, does not receive commercial power A power supply and the unstable influence of electric wire netting, and then improves economic benefits.
The implementation principle of the high-frequency induction heating power supply integrating the optical storage function is as follows: when the photovoltaic is sufficient, the output voltage of the booster circuit is controlled to be higher than the rectified voltage of the commercial power A, so that the photovoltaic is preferentially used for supplying power to the induction heating power supply, and the battery B is charged at the same time until the charging of the battery B is finished; when the photovoltaic energy is insufficient, the output voltage of the booster circuit is pulled down by the induction heating power supply, and at the moment, the battery B or the mains supply A can be used for supplying power according to the power consumption cost of the mains supply A, so that the power consumption cost is reduced; at night, because the electricity price is lower, the commercial power A can be selected to charge the battery B, so that the battery B is used for supplying power when the commercial power A is high in price in the daytime, the purposes of peak clipping and valley filling and peak-valley electricity price difference sleeving are achieved, and the battery B can be completely used for supplying power on occasions without the commercial power A and photovoltaic cells. From this, through the design of improving induction heating power, make this high frequency induction heating power possess the function of photovoltaic and energy storage, promote the stability and the energy-conservation nature of induction heating power work, can ensure that this high frequency induction heating electrical power generating system's application is more nimble, does not receive commercial power A power supply and the unstable influence of electric wire netting, and then improves economic benefits.
While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a high frequency induction heating power of function is stored up to integrated light which characterized in that: the system comprises a commercial power supply, a photovoltaic panel, a battery, an uncontrolled rectifying circuit, a voltage reduction circuit, a full-bridge inverter circuit, a booster circuit, a bidirectional DC-DC circuit and a heating circuit;
the two ends of the commercial power are respectively connected with the uncontrolled rectifying circuit, the voltage reduction circuit is respectively connected with the uncontrolled rectifying circuit and the full-bridge inverter circuit, the full-bridge inverter circuit is connected with the heating circuit, and the heating circuit is connected with a workpiece;
two ends of the photovoltaic panel are respectively connected to the boosting circuit, and two ends of the boosting circuit are respectively connected with two ends of the voltage reduction circuit;
and two ends of the battery are respectively connected with the bidirectional DC-DC circuit, and two ends of the bidirectional DC-DC circuit are respectively connected with two ends of the voltage reduction circuit.
2. The high-frequency induction heating power supply with integrated optical storage function of claim 1, wherein the uncontrolled rectifying circuit comprises a first conduction unit, a second conduction unit, a third conduction unit and a fourth conduction unit, wherein an output end of the first conduction unit is connected with an input end of the second conduction unit to form a first connection point, an input end of the first conduction unit is connected with an input end of the third conduction unit to form a second connection point, an output end of the third conduction unit is connected with an input end of the fourth conduction unit to form a third connection point, an output end of the second conduction unit is connected with an output end of the fourth conduction unit to form a fourth connection point, and two ends of the commercial power are respectively connected with the first connection point and the third connection point.
3. The high-frequency induction heating power supply with integrated optical storage function of claim 2, wherein the voltage reduction circuit comprises a first switch unit, a fifth conduction unit and a first resistor, wherein the input end of the fifth conduction unit is connected to the second connection point and the full-bridge inverter circuit respectively, the output end of the fifth conduction unit is connected to the second connection end of the first switch unit to form a fifth connection point, the second connection end of the first switch unit is connected to the fourth connection point, and two ends of the first resistor are connected to the fifth connection point and the full-bridge inverter circuit respectively.
4. The high-frequency induction heating power supply with the integrated optical storage function as claimed in claim 3, wherein the full-bridge inverter circuit comprises a second switch unit, a third switch unit, a fourth switch unit and a fifth switch unit, a second connection end of the second switch unit is connected with one end of the first resistor to form a sixth connection point, a first connection end of the second switch unit is connected with a second connection end of the third switch unit to form a seventh connection point, a first connection end of the third switch unit is connected with a first connection end of the fourth switch unit to form an eighth connection point, the eighth connection point is connected with an input end of the fifth conduction unit, a second connection end of the fourth switch unit is connected with a first connection end of the fifth switch unit to form a ninth connection point, and a second connection end of the fifth switch unit is connected with a second connection end of the second switch unit.
5. A high-frequency induction heating power supply with integrated optical storage function as claimed in claim 4, wherein said heating circuit comprises a high-frequency transformer, a first capacitor and an induction coil, said high-frequency transformer has a first pin, a second pin, a third pin and a fourth pin, said first pin is connected to said seventh connection point, said second pin is connected to said ninth connection point, said third pin is connected to the positive pole of said first capacitor, said fourth pin is connected to the negative pole of said first capacitor, and two ends of said induction coil are respectively connected to the positive pole and the negative pole of said positive pole of said first capacitor.
6. The high-frequency induction heating power supply with integrated light storage function as claimed in claim 4, wherein the boost circuit comprises a second capacitor, a third capacitor, a second resistor, a sixth conduction unit and a sixth switch unit, the positive pole of the second capacitor is connected with the positive pole of the photovoltaic panel to form a tenth connection point, the negative pole of the second capacitor is connected with the negative pole of the photovoltaic panel to form an eleventh connection point, one end of the second resistor is connected with the tenth connection point, the other end of the second resistor is connected with the second connection end of the sixth switch unit to form a twelfth connection point, the first connection end of the sixth switch unit is connected with the eleventh connection point, the input end of the sixth conduction unit is connected with the twelfth connection point, the output end of the sixth conduction unit is connected with the positive pole of the third capacitor to form a thirteenth connection point, the thirteenth connection point is connected with the fourth connection point, the negative pole of the third capacitor is connected with the eleventh connection point, and the eleventh connection point is connected with the eighth connection point.
7. The high-frequency induction heating power supply with integrated optical storage function of claim 6, wherein the bidirectional DC-DC circuit comprises a fourth capacitor, a fifth capacitor, a third resistor, a seventh switch unit and an eighth switch unit, wherein the positive pole of the fourth capacitor is connected to the positive pole of the battery to form a fourteenth connection point, the negative pole of the fourth capacitor is connected to the negative pole of the battery to form a fifteenth connection point, one end of the third resistor is connected to the fourteenth connection point, the other end of the third resistor is connected to the second connection end of the seventh switch unit to form a sixteenth connection point, the first connection end of the seventh switch unit is connected to the fifteenth connection point, the first connection end of the eighth switch unit is connected to the sixteenth connection point, the second connection end of the eighth switch unit is connected to the positive pole of the fifth capacitor to form a seventeenth connection point, the seventeenth connection point is connected to the fourth connection point and the thirteenth connection point, the negative pole of the fifth capacitor is connected to the fifteenth connection point, and the fifteenth connection point is connected to the eighth connection point and the eleventh connection point.
8. The high-frequency induction heating power supply with integrated optical storage function according to claim 4, further comprising a sixth capacitor and a seventh capacitor, wherein the positive electrode of the sixth capacitor is connected to the fourth connection point, the negative electrode of the sixth capacitor is connected to the second connection point, the positive electrode of the seventh capacitor is connected to the sixth connection point, and the negative electrode of the seventh capacitor is connected to the eighth connection point.
9. The high-frequency induction heating power supply with integrated optical storage function as claimed in claim 6, wherein each conducting unit comprises a rectifying diode and a conducting resistor, the anode of the rectifying diode is the input terminal of each conducting unit, the cathode of the rectifying diode is the output terminal of each conducting unit, and the two ends of the conducting resistor are respectively connected in parallel to the anode and the cathode of the rectifying diode.
10. The high-frequency induction heating power supply with integrated optical storage function of claim 7, wherein each switch unit comprises a switch diode and an MOS transistor, the source of the MOS transistor is the first connection end of each switch unit, the drain of the MOS transistor is the second connection end of each switch unit, the gate of the MOS transistor is the control end of each switch unit, the gate of the MOS transistor is used for connecting a control chip, the anode of the switch diode is connected with the source of the MOS transistor, and the cathode of the switch diode is connected with the drain of the MOS transistor.
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| CN202222815386.4U CN218735060U (en) | 2022-10-25 | 2022-10-25 | High-frequency induction heating power supply integrating light storage function |
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| CN202222815386.4U CN218735060U (en) | 2022-10-25 | 2022-10-25 | High-frequency induction heating power supply integrating light storage function |
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