CN110721388B - Driving circuit of shaded pole motor sleep aid instrument - Google Patents
Driving circuit of shaded pole motor sleep aid instrument Download PDFInfo
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- CN110721388B CN110721388B CN201910963766.2A CN201910963766A CN110721388B CN 110721388 B CN110721388 B CN 110721388B CN 201910963766 A CN201910963766 A CN 201910963766A CN 110721388 B CN110721388 B CN 110721388B
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- voltage
- chip microcomputer
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- single chip
- shaded pole
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M21/02—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
- A61M2021/0027—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the hearing sense
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Power Engineering (AREA)
- Acoustics & Sound (AREA)
- Heart & Thoracic Surgery (AREA)
- Pain & Pain Management (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Psychology (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
The invention belongs to the technical field of sleep-aiding instruments, and particularly relates to a shade-pole motor sleep-aiding instrument driving circuit which comprises a constant-voltage adaptation unit, a WiFi circuit, an LED control circuit and a fan motor control circuit, wherein the WiFi circuit, the LED control circuit and the fan motor control circuit are respectively and electrically connected with a single chip microcomputer.
Description
Technical Field
The invention belongs to the technical field of sleep-assisting instruments, and particularly relates to a driving circuit of a shaded pole motor sleep-assisting instrument.
Background
Along with the continuous improvement of the physical living standard of people, people pay more and more attention to the health of their own bodies, especially the sleep quality is poor, and diseases caused by insomnia are increased day by day; according to survey, people in various regions and different age groups have insomnia and are high in proportion, and especially people with high working pressure or men or women in menopause have poor sleep quality. How to solve the problems of insomnia and poor sleep quality, most people select traditional medicine treatment, but the side effect is also large.
Then the white noise sleeping instrument breaks through the traditional conventional thought, the fan is used for creating the sound of the relaxed air through the acoustic space principle, unnecessary noise can be effectively covered, namely, the white noise with uniform and stable same frequency is emitted to shield or weaken and disperse other interference noise, so that the distraction is relieved, people relax the mood, and the deep sleep is achieved.
White noise sleep appearance on the existing market is mostly through key control, complex operation, and there are also few small part intelligent white noise sleep appearance to pass through cell-phone APP control, but this control system circuit is complicated, and especially power part is stable inadequately, influences the stable rotational speed of fan, reduces and helps the dormancy effect.
Disclosure of Invention
The invention aims to provide a shade pole motor sleep aid instrument driving circuit to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the constant-voltage adaptive unit comprises a transformer and a switch power supply chip, wherein an auxiliary winding is arranged on the primary winding side of the transformer, feedback voltage is LED out of the auxiliary winding and is electrically connected with the switch power supply chip, a rectifying circuit and a pi-shaped filter circuit are arranged at the front end of the primary winding side of the transformer, alternating-current input voltage is sequentially connected with the primary winding of the transformer through the rectifying circuit and the pi-shaped filter circuit, and DC5V voltage is LED out of the secondary winding of the transformer through a diode and is used for providing power for the single chip microcomputer and the control circuit of the single chip microcomputer; the WiFi circuit adopts a WiFi chip and is electrically connected with a corresponding pin of the single chip microcomputer, the LED control circuit comprises a switch element MOS tube, the grid electrode of the MOS tube is connected with an LDE control pin of the single chip microcomputer, the source electrode of the MOS tube is grounded, and the drain electrode of the MOS tube is connected with DC5V voltage through an LED; the fan motor control circuit comprises a switching element triode, the base electrode of the triode is connected with a fan motor control pin of the singlechip, the emitter electrode of the triode is grounded, the collector electrode of the triode is connected with DC5V voltage through the fan motor, and a reverse protection diode is connected between the DC5V voltage and the collector electrode of the triode.
The invention relates to a further improvement of a shaded pole motor sleep aid instrument drive circuit, which comprises the following steps: the single chip microcomputer is electrically connected with two fan motor control circuits and used as two gears of the fan motor.
The invention relates to a further improvement of a shaded pole motor sleep aid instrument drive circuit, which comprises the following steps: the single chip microcomputer converts DC5V voltage generated by the constant voltage adapting unit into DC3.3V power supply of the single chip microcomputer through a DC 5V-DC3.3V circuit, and the DC 5V-DC3.3V circuit adopts an LDO3.3V voltage stabilizing chip.
The invention relates to a further improvement of a shaded pole motor sleep aid instrument drive circuit, which comprises the following steps: the model of the single chip microcomputer is HR51S1-SOP 8.
The invention relates to a further improvement of a shaded pole motor sleep aid instrument drive circuit, which comprises the following steps: the model of the WIFI chip is HRWE 3S.
The invention relates to a further improvement of a shaded pole motor sleep aid instrument drive circuit, which comprises the following steps: the model of the switching power supply chip of the constant voltage adapting unit is HR2521 RN.
The invention discloses a shaded pole motor sleep aid instrument drive circuit, which has the beneficial effects that: WiFi circuit, LED control circuit and fan motor control circuit structural design are simpler, and the working power supply that constant voltage adaptation unit provided is more stable, when reducing control circuit loaded down with trivial details degree, also lets the rotational speed of single chip microcomputer control fan more reliable for the white noise that produces is also more steady comfortable.
Drawings
FIG. 1 is a circuit diagram of the single chip microcomputer and its auxiliary connections;
FIG. 2 is a circuit diagram of the constant voltage adapting unit according to the present invention;
in the figure: 1. the constant voltage adaptation circuit comprises a constant voltage adaptation unit, 101, a rectification circuit, 102, a pi-type filter circuit, 2, a single chip microcomputer, 3, a WiFi circuit, 4, an LED control circuit, 5, a fan motor control circuit and 6, DC 5V-to-DC3.3V circuits.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides a shade pole motor sleep aid instrument driving circuit which comprises a constant voltage adapting unit 1, and a WiFi circuit 3, an LED control circuit 4 and a fan motor control circuit 5 which are respectively and electrically connected with a single chip microcomputer 2.
Wherein, the constant voltage adapting unit 1 is provided with a switch power chip for voltage feedback control besides an inherent transformer, concretely, as shown in the attached figure 2, an auxiliary winding is arranged at the primary winding side of a high-frequency transformer T1, an alternating current input voltage obtains a direct current high voltage through a bridge rectifier circuit 101 composed of diodes and a pi-type filter circuit 102 in sequence, then the direct current high voltage is connected to one end of the primary winding of a high-frequency transformer T1, the other end of the primary winding of the high-frequency transformer T1 is connected with the output end of the switch power chip with the model of HR2521RN, the leading-out voltage of the auxiliary winding is connected to the person input end of the switch power chip, then the secondary winding of the high-frequency transformer T1 obtains a DC5V voltage through a clamping diode and an absorption capacitor, when the voltage of the transformer in the direction composed of the secondary winding and the auxiliary winding fluctuates, the switch power chip regulates the voltage input to the primary winding, therefore, the high-frequency transformer T1 is ensured to continuously generate stable DC5V voltage for supplying power to the singlechip 2 and the control circuit;
the model of the single chip microcomputer 2 is HR51S1-SOP8, the working voltage of the single chip microcomputer 2 is DC3.3V, so that the single chip microcomputer 2 needs to convert DC5V voltage generated by the constant voltage adapting unit 1 into DC3.3V power supply of the single chip microcomputer 2 through a DC 5V-to-DC3.3V circuit 6, wherein the DC 5V-to-DC3.3V circuit 6 adopts LDO3.3V voltage stabilizing chips;
the WiFi circuit 3 adopts a WiFi chip with the model number of HRWE3S, and is electrically connected with corresponding pins of the single chip microcomputer 2 through RX and TX lead wires.
The LED control circuit 4 adopts an N-MOS tube switching element, the grid electrode of the N-MOS tube is connected with the LDE control pin of the singlechip 2, the source electrode of the N-MOS tube is grounded, the drain electrode of the N-MOS tube is connected with DC5V voltage through the LED, when the LDE control pin of the singlechip 2 outputs low level, the N-MOS tube is not conducted, and the LED is not bright; when the LDE control pin of the singlechip 2 outputs a high level, the N-MOS tube is conducted, the current is connected to the ground through the VCC, the LED and the N-MOS tube, and the LED is lightened to be used as a work indicator lamp.
The fan motor control circuit 5 adopts a switching element 8050 triode, the base of the triode is connected with a fan motor control pin of the singlechip 2, the emitter of the triode is grounded, the collector of the triode is connected with DC5V voltage through the fan motor, a reverse protection diode is connected between the DC5V voltage and the collector of the triode, when the fan motor control pin of the singlechip 2 outputs low level, the triode is not conducted, and the fan motor does not rotate; when the fan motor control pin of the singlechip 2 outputs a high level, the triode is conducted, and the fan motor rotates when the current passes through the VCC, the fan motor and the triode to the ground. And the singlechip 2 is electrically connected with two fan motor control circuits 5 and is used as two gears of the fan motor, so that the white noise sleep-assisting instrument is more humanized in function.
Thereby make the control circuit structure of intelligence white noise sleep aid appearance more succinct to the stability of whole control circuit can be guaranteed to the constant voltage adaptation unit 1 that adopts, makes 2 control fan motor of singlechip rotate more reliably, and the white noise that produces also can be more steady comfortable.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a shaded pole motor helps dormancy appearance drive circuit which characterized in that: the constant-voltage adaptive unit comprises a transformer and a switch power supply chip, wherein an auxiliary winding is arranged on the primary winding side of the transformer, feedback voltage is LED out of the auxiliary winding and is electrically connected with the switch power supply chip, a rectifying circuit and a pi-shaped filter circuit are arranged at the front end of the primary winding side of the transformer, alternating-current input voltage is sequentially connected with the primary winding of the transformer through the rectifying circuit and the pi-shaped filter circuit, and DC5V voltage is LED out of the secondary winding of the transformer through a diode and is used for providing power for the single chip microcomputer and the control circuit of the single chip microcomputer; the WiFi circuit adopts a WiFi chip and is electrically connected with a corresponding pin of the single chip microcomputer, the LED control circuit comprises a switch element MOS tube, the grid electrode of the MOS tube is connected with an LDE control pin of the single chip microcomputer, the source electrode of the MOS tube is grounded, and the drain electrode of the MOS tube is connected with DC5V voltage through an LED; the fan motor control circuit comprises a switching element triode, the base of the triode is connected with a fan motor control pin of the singlechip, the emitter of the triode is grounded, the collector of the triode is connected with DC5V voltage through the fan motor, and a reverse protection diode is connected between the DC5V voltage and the collector of the triode.
2. The shaded pole motor sleep aid instrument drive circuit according to claim 1, characterized in that: the single chip microcomputer is electrically connected with two fan motor control circuits and used as two gears of the fan motor.
3. The shaded pole motor sleep aid instrument drive circuit according to claim 1, characterized in that: the single chip microcomputer converts DC5V voltage generated by the constant voltage adapting unit into DC3.3V power supply of the single chip microcomputer through a DC 5V-DC3.3V circuit, and the DC 5V-DC3.3V circuit adopts an LDO3.3V voltage stabilizing chip.
4. The shaded pole motor sleep aid instrument drive circuit according to claim 1, characterized in that: the model of the single chip microcomputer is HR51S1-SOP 8.
5. The shaded pole motor sleep aid instrument drive circuit according to claim 1, characterized in that: the model of the WiFi chip is HRWE 3S.
6. The shaded pole motor sleep aid instrument drive circuit according to claim 1, characterized in that: the model of the switching power supply chip of the constant voltage adapting unit is HR2521 RN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963766.2A CN110721388B (en) | 2019-10-11 | 2019-10-11 | Driving circuit of shaded pole motor sleep aid instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963766.2A CN110721388B (en) | 2019-10-11 | 2019-10-11 | Driving circuit of shaded pole motor sleep aid instrument |
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| Publication Number | Publication Date |
|---|---|
| CN110721388A CN110721388A (en) | 2020-01-24 |
| CN110721388B true CN110721388B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910963766.2A Active CN110721388B (en) | 2019-10-11 | 2019-10-11 | Driving circuit of shaded pole motor sleep aid instrument |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201560964U (en) * | 2009-08-25 | 2010-08-25 | 美的集团有限公司 | Multifunctional electric fan |
| CN203532289U (en) * | 2013-11-15 | 2014-04-09 | 成都博元科技有限公司 | Intelligent temperature controller circuit for computer case |
| CN105407614A (en) * | 2015-12-23 | 2016-03-16 | 深圳市中孚光电科技有限公司 | Dimming control circuit provided with fan and having turn-off function |
| CN109125881A (en) * | 2018-07-10 | 2019-01-04 | 深圳市奥尔方案科技有限公司 | A kind of intelligence control system of white noise hypnotic instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453541A (en) * | 2016-06-01 | 2017-12-08 | 德昌电机(深圳)有限公司 | Motor and the fan with the motor |
-
2019
- 2019-10-11 CN CN201910963766.2A patent/CN110721388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201560964U (en) * | 2009-08-25 | 2010-08-25 | 美的集团有限公司 | Multifunctional electric fan |
| CN203532289U (en) * | 2013-11-15 | 2014-04-09 | 成都博元科技有限公司 | Intelligent temperature controller circuit for computer case |
| CN105407614A (en) * | 2015-12-23 | 2016-03-16 | 深圳市中孚光电科技有限公司 | Dimming control circuit provided with fan and having turn-off function |
| CN109125881A (en) * | 2018-07-10 | 2019-01-04 | 深圳市奥尔方案科技有限公司 | A kind of intelligence control system of white noise hypnotic instrument |
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| CN110721388A (en) | 2020-01-24 |
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