CN217882856U - Sine wave power generator - Google Patents
Sine wave power generator Download PDFInfo
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- CN217882856U CN217882856U CN202221565445.0U CN202221565445U CN217882856U CN 217882856 U CN217882856 U CN 217882856U CN 202221565445 U CN202221565445 U CN 202221565445U CN 217882856 U CN217882856 U CN 217882856U
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- 230000005669 field effect Effects 0.000 claims description 12
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- 238000010586 diagram Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The utility model discloses a sine wave power generator relates to electron technical field, include: the power supply comprises a controller, a power supply, a first booster circuit and a second booster circuit; the output end of the controller is connected with the first booster circuit and the second booster circuit, the first booster circuit and the second booster circuit are connected with the output interface, and the output end of the power supply is connected with the controller, the first boosted voltage and the second booster circuit; the first booster circuit and the second booster circuit have the same structure and are connected through a clamping circuit; the first booster circuit comprises an amplifying circuit, a voltage conversion circuit, a rectifying circuit and a filter circuit, the output end of the controller is connected with the amplifier, the output end of the amplifier is connected with the voltage conversion circuit, the output end of the voltage conversion circuit is connected with the rectifying circuit, the output end of the rectifying circuit is connected with the filter circuit, and the output end of the filter circuit is connected with the output interface. The utility model discloses the realization has alternating current on output circuit, can realize the frequency modulation.
Description
Technical Field
The utility model relates to the field of electronic technology, concretely relates to sine wave power generator.
Background
The sine wave signal generator is a signal generating device commonly used in the electronic technology, and is widely applied in the fields of electronic circuit design and experiments, measuring instruments, signal transmission, communication and the like.
At present, a common sine wave signal generator is mainly realized by adopting a sine wave oscillation analog circuit or a digital frequency synthesis (DDS) technology, main core devices of the sine wave signal generator are integrated operational amplifiers, microprocessors and FPGA devices, the voltage of a working power supply of the device is limited, the output voltage is low (the amplitude does not exceed 15V), the current is small (mA level), the load capacity is poor, and a plurality of sine wave power generator circuits are complex or the functions of the sine wave power generator circuits do not meet the functional requirements of the market on instruments.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies existing in the prior art, the utility model provides a sine wave power generator realizes convenient, the cost is lower, frequency adjustable simulation sine wave circuit.
The utility model provides a technical scheme does:
a sine wave power generator comprising:
the device comprises a controller, a display screen, a power supply, a power switch, a first booster circuit and a second booster circuit; the output end of the controller is connected with the first booster circuit and the second booster circuit, the first booster circuit and the second booster circuit are connected with the output interface, the output end of the controller is connected with the display screen, and the output end of the power supply is connected with the controller, the first boost voltage and the second booster circuit;
the first booster circuit and the second booster circuit have the same structure and are connected through a clamping circuit;
the first booster circuit comprises an amplifying circuit, a voltage conversion circuit, a rectifying circuit and a filter circuit, wherein the output end of the controller is connected with the amplifier, the output end of the amplifier is connected with the voltage conversion circuit, the output end of the voltage conversion circuit is connected with the rectifying circuit, the output end of the rectifying circuit is connected with the filter circuit, and the output end of the filter circuit is connected with the output interface.
As a further technical scheme of the utility model does, amplifier circuit includes first resistance, second resistance, first triode and first field effect transistor, the base of first triode is connected with the output of controller through first current-limiting resistance, the collecting electrode of first triode is connected with field effect transistor's grid, first field effect transistor's source ground connection, first field effect transistor's drain electrode and voltage conversion circuit are connected.
As a further technical scheme of the utility model do, voltage conversion circuit is pulse transformer.
As a further technical scheme of the utility model does, the clamp circuit includes first electric capacity, third resistance and second electric capacity, the positive pole of first electric capacity is connected with rectifier circuit's anodal output, the positive pole of second electric capacity is connected with second rectifier circuit's anodal output, the first end of third resistance is connected to the negative pole of first electric capacity, the second end of third resistance is connected to the negative pole of second electric capacity.
As a further technical scheme of the utility model be, the controller is the singlechip that the model is STC15W 401S.
As a further technical scheme of the utility model, the amplifier is the triode of 8050 model.
The beneficial effects of the utility model are that:
the utility model discloses a voltage of controlling first boost circuit and second boost circuit risees and reduces, realizes having alternating current on output circuit. The voltage rising and falling curves of the first booster circuit and the second booster circuit can be set by the controller according to the sine wave rule. The voltage rising and falling speeds of the first booster circuit and the second booster circuit can also be set through the controller, so that frequency modulation can be realized, and when the rising and falling speeds are low, the frequency is low; when the lifting speed is high, the frequency is high. This achieves control of the output frequency. By using the charge/discharge circuit characteristics of the output circuit, a constant output power can be obtained.
Drawings
Fig. 1 is a schematic structural diagram of a sine wave power generator according to the present invention;
fig. 2 is a control diagram of a sine wave power generator according to the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a sine wave power generator includes:
the power supply comprises a controller, a power supply, a first booster circuit and a second booster circuit; the output end of the controller is connected with the first booster circuit and the second booster circuit, the first booster circuit and the second booster circuit are connected with the output interface, and the output end of the power supply is connected with the controller, the first boosted voltage and the second booster circuit; the first booster circuit and the second booster circuit are connected through a clamping circuit; the first booster circuit comprises an amplifying circuit, a voltage conversion circuit, a rectifying circuit and a filter circuit, the output end of the controller is connected with the amplifier, the output end of the amplifier is connected with the voltage conversion circuit, the output end of the voltage conversion circuit is connected with the rectifying circuit, the output end of the rectifying circuit is connected with the filter circuit, and the output end of the filter circuit is connected with the output interface.
The embodiment of the utility model provides an in, amplifier circuit includes first resistance R12, second resistance R13, first triode Q1 and first field effect transistor Q2, and first triode Q1's base is connected with the output of controller through first current-limiting resistance R13, and first triode Q1's collecting electrode is connected with first field effect transistor Q2's grid, first field effect transistor Q2's source ground connection, and first field effect transistor Q2's drain electrode is connected with voltage conversion circuit XD 1. The voltage conversion circuit T1 is a pulse transformer.
The first boost circuit and the second boost circuit have the same structure, which is not described in detail.
The embodiment of the utility model provides an in, the clamp circuit includes first electric capacity C2, third resistance R3 and second electric capacity C4, first electric capacity C2's positive pole is connected with rectifier circuit XD 1's positive output end, and second electric capacity C4's positive pole is connected with second rectifier circuit XD 2's positive output end, and third resistance R3's first end is connected to first electric capacity C2's negative pole, and third resistance R3's second end is connected to second electric capacity C4's negative pole.
In the embodiment of the utility model, the controller is the singlechip that the model is STC15W401S, and the amplifier is the triode of 8050 models.
The circuit can control certain output frequency and voltage through a single chip microcomputer, the output frequency can be adjusted within the range of 0-300Hz, and the voltage can be adjusted within the range of 0-220V. Can meet the functional requirements of certain existing instruments (such as a massage instrument).
The single chip microcomputer can respectively control the voltage of the first booster circuit and the voltage of the second booster circuit to rise and fall, and when the voltage of the first booster circuit rises and falls, the voltage of the second booster circuit is unchanged and is 0; when the voltage of the second booster circuit rises and falls, the voltage of the first booster circuit is constant and 0. This achieves that there is an alternating current on the output circuit. The voltage rising and falling curves of the first booster circuit and the second booster circuit can be obtained by a program according to the law value of the sine wave. The voltage rising and falling speeds of the first booster circuit and the second booster circuit can also be controlled by a single chip microcomputer. When the lifting speed is low, the frequency is low; when the lifting speed is high, the frequency is high. This achieves control of the output frequency. By using the charge-discharge circuit characteristics in the output circuit, a certain output power can be obtained.
The present invention has been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art. Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (6)
1. A sine wave power generator, comprising:
the power supply comprises a controller, a display screen, a power supply, a power switch, a first booster circuit and a second booster circuit; the output end of the controller is connected with the first booster circuit and the second booster circuit, the first booster circuit and the second booster circuit are connected with the output interface, the output end of the controller is connected with the display screen, and the output end of the power supply is connected with the controller, the first boost voltage and the second booster circuit;
the first booster circuit and the second booster circuit have the same structure and are connected through a clamping circuit;
the first booster circuit comprises an amplifying circuit, a voltage conversion circuit, a rectifying circuit and a filtering circuit, wherein the output end of the controller is connected with the amplifier, the output end of the amplifier is connected with the voltage conversion circuit, the output end of the voltage conversion circuit is connected with the rectifying circuit, the output end of the rectifying circuit is connected with the filtering circuit, and the output end of the filtering circuit is connected with the output interface.
2. The sine wave power generator according to claim 1, wherein the amplifying circuit comprises a first resistor, a second resistor, a first transistor, and a first field effect transistor, wherein a base of the first transistor is connected to an output terminal of the controller through a first current limiting resistor, a collector of the first transistor is connected to a gate of the field effect transistor, a source of the first field effect transistor is grounded, and a drain of the first field effect transistor is connected to the voltage converting circuit.
3. The sine wave power generator of claim 1, wherein the voltage conversion circuit is a pulse transformer.
4. The sine wave power generator of claim 1, wherein said clamping circuit comprises a first capacitor, a third resistor, and a second capacitor, wherein the positive pole of said first capacitor is connected to the positive output terminal of the rectifier circuit, the positive pole of said second capacitor is connected to the positive output terminal of the second rectifier circuit, the negative pole of said first capacitor is connected to the first terminal of the third resistor, and the negative pole of said second capacitor is connected to the second terminal of the third resistor.
5. The sine wave power generator of claim 1, wherein said controller is a single chip microcomputer model STC15W 401S.
6. The sine wave power generator of claim 1, wherein said amplifier is an 8050 size triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221565445.0U CN217882856U (en) | 2022-06-21 | 2022-06-21 | Sine wave power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221565445.0U CN217882856U (en) | 2022-06-21 | 2022-06-21 | Sine wave power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217882856U true CN217882856U (en) | 2022-11-22 |
Family
ID=84096681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221565445.0U Active CN217882856U (en) | 2022-06-21 | 2022-06-21 | Sine wave power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217882856U (en) |
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2022
- 2022-06-21 CN CN202221565445.0U patent/CN217882856U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 301, No. 15 Dawobu Street, Xinya Street, Huadu District, Guangzhou City, Guangdong Province, 510000 (Airport Huadu) Patentee after: Guangdong Tengxiang Technology Co.,Ltd. Address before: 510000 one of the third floor of building a, No.5 Dongsheng Road, Huaxing Industrial Zone, Xinya street, Huadu District, Guangzhou City, Guangdong Province Patentee before: Guangdong Zhongrunzhi Medical Equipment Co.,Ltd. |
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| CP03 | Change of name, title or address |