CN218829643U - Direct current driven fan aircraft nose - Google Patents
Direct current driven fan aircraft nose Download PDFInfo
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- CN218829643U CN218829643U CN202223436788.XU CN202223436788U CN218829643U CN 218829643 U CN218829643 U CN 218829643U CN 202223436788 U CN202223436788 U CN 202223436788U CN 218829643 U CN218829643 U CN 218829643U
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a direct current driven fan head, including casing, motor, tooth case and direct current drive plate, the motor sets up in the casing, the output shaft of motor with the tooth case is connected, the direct current drive plate sets up in the casing, the direct current drive plate with the motor electricity is connected, the direct current drive plate is used for connecting the outside and inserts the circuit and convert alternating current commercial power into DC voltage, for the motor power supply; the utility model aims at providing a direct current drive's fan aircraft nose, through the stable voltage of direct current drive's mode output, make the motor remain stable rotation, the life of extension motor.
Description
Technical Field
The utility model relates to a fan technical field especially relates to a direct current drive's fan aircraft nose.
Background
The fan is as domestic appliance, is commonly used in people's life, and what current electric fan part adopted is alternating current motor, through inserting alternating current commercial power as the power, uses the electric capacity as the starter in the circuit, adopts the mode of switch and electric capacity combination, and when in actual use, the commercial power can produce certain voltage fluctuation when inputing, burns out the electric capacity easily, leads to the motor to break down.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct current drive's fan aircraft nose, through the stable voltage of direct current drive's mode output, make the motor remain stable rotation, the life of extension motor.
To achieve the purpose, the utility model adopts the following technical proposal: the utility model provides a direct current drive's fan aircraft nose, includes casing, motor, tooth case and direct current drive plate, the motor sets up in the casing, the output shaft of motor with the tooth case is connected, the direct current drive plate sets up in the casing, the direct current drive plate with the motor electricity is connected, the direct current drive plate is used for connecting the outside and inserts the circuit and change alternating current commercial power into DC voltage, gives the motor power supply.
Preferably, the direct current drive board comprises a control unit, a power supply unit, an MOS transistor drive unit and a motor drive unit;
the input end of the power supply unit is electrically connected with an alternating current commercial power, the output end of the power supply unit is electrically connected with the MOS tube driving unit, the motor driving unit and the control unit, the power supply unit is used for converting the commercial power into a direct current high voltage and a direct current low voltage, the direct current high voltage is used for supplying power to the motor through the motor driving unit, and the direct current low voltage is used for supplying power to circuit elements;
the input end of the MOS tube driving unit is electrically connected with the control unit, the output end of the MOS tube driving unit is electrically connected with the motor driving unit, and the MOS tube driving unit is used for amplifying a signal from the control unit so as to drive the motor driving unit;
the motor driving unit is electrically connected with the control unit.
Preferably, the power supply unit includes a rectifying and filtering module and a voltage conversion module; the rectification filtering module is electrically connected with the voltage conversion module and the motor driving unit, the voltage conversion module is electrically connected with the MOS tube driving unit, and the voltage conversion module is used for converting positive 310V voltage into positive 15V voltage and positive 5V voltage; the voltage conversion module is electrically connected with the control unit.
Preferably, the power supply unit further comprises a voltage sampling module, an input end of the voltage sampling module is electrically connected with an output end of the rectification filtering module, and an output end of the voltage sampling module is electrically connected with the control unit.
Preferably, the voltage reduction chip used in the voltage conversion module is of type OB2227M and the voltage regulation chip is of type 78L05.
Preferably, the chip model of the control unit is RX32S10.
Preferably, the direct current drive board further comprises a speed regulation unit, the speed regulation unit comprises a potentiometer and a voltage division circuit, the potentiometer is arranged on the casing, the potentiometer is electrically connected with the voltage division circuit, and the voltage division circuit is arranged on the direct current drive board and is electrically connected with the control unit.
Preferably, the direct current drive board further comprises a temperature detection unit, the temperature detection unit comprises a temperature detection probe and a temperature detection chip, the temperature detection probe is arranged in the casing and is opposite to the motor, the temperature detection chip is arranged on the direct current drive board, and the temperature detection chip is electrically connected with the control unit.
The utility model discloses a technical scheme's beneficial effect: the utility model discloses a direct current drive board carries out rectification, filtering and buffering back to the commercial power, forms stable output voltage, makes the motor rotational speed that can remain stable, avoids shortening the life-span of motor. Signals of the control chip are amplified through the direct current drive board, and larger driving capability is provided for the motor.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic perspective view of a removed housing according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram according to an embodiment of the present invention.
Wherein: the device comprises a machine shell 1, a motor 2, a gearbox 3, a direct current drive plate 4, a control unit 41, a power supply unit 42, an MOS tube drive unit 43, a motor drive unit 44, a speed regulation unit 45 and a temperature detection unit 46.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, a dc-driven fan head includes a housing 1, a motor 2, a gearbox 3, and a dc drive board 4, where the motor 2 is disposed in the housing 1, an output shaft of the motor 2 is connected to the gearbox 3, the dc drive board 4 is disposed in the housing 1, the dc drive board 4 is electrically connected to the motor 2, and the dc drive board 4 is used to connect an external access line and convert ac mains into dc voltage to supply power to the motor 2.
The fan is as domestic appliance, is commonly used in people's life, and what current electric fan part adopted is alternating current motor, through inserting alternating current commercial power as the power, uses the electric capacity as the starter in the circuit, adopts the mode of switch and electric capacity combination, and when in actual use, the commercial power can produce certain voltage fluctuation when inputing, burns out the electric capacity easily, leads to the motor to break down.
The utility model discloses a direct current drive plate 4 carries out rectification, filtering and buffering back to the commercial power, forms stable output voltage, makes the motor rotational speed that can remain stable, avoids shortening the life-span of motor. The signal of the control chip is amplified through the direct current drive board 4, and larger driving capability is provided for the motor.
Specifically, the direct current driving board 4 includes a control unit 41, a power supply unit 42, a MOS transistor driving unit 43, and a motor driving unit 44;
the input end of the power supply unit 42 is electrically connected to an alternating current mains supply, the output end of the power supply unit 42 is electrically connected to the MOS transistor drive unit 43, the motor drive unit 44 and the control unit 41, the power supply unit 42 is configured to convert the mains supply into a direct current high voltage and a direct current low voltage, the direct current high voltage is used for supplying power to the motor 2 through the motor drive unit 44, and the direct current low voltage is used for supplying power to circuit elements;
the input end of the MOS transistor driving unit 43 is electrically connected to the control unit 41, the output end of the MOS transistor driving unit 43 is electrically connected to the motor driving unit 44, and the MOS transistor driving unit 43 is configured to amplify a signal from the control unit 41 to drive the motor driving unit 44; the motor drive unit 44 is electrically connected to the control unit 41.
Preferably, the power supply unit 42 includes a rectifying and filtering module and a voltage conversion module; the rectification filter module is electrically connected with the voltage conversion module and the motor driving unit 44, the voltage conversion module is electrically connected with the MOS tube driving unit 43, and the voltage conversion module is used for converting positive 310V voltage into positive 15V voltage and positive 5V voltage; the voltage conversion module is electrically connected to the control unit 41.
The power supply unit 42 converts the ac mains supply into a positive 310V voltage by converting the voltage, and drives the motor 2 to operate through the motor driving unit 44, so as to step down the positive 310V voltage and convert the voltage into a positive 5V voltage, so as to supply power to the components of the circuit, for example, the control unit 41. The MOS transistor driving unit 43 provides a greater driving capability by amplifying the signal from the control unit 41.
Preferably, the power supply unit 42 further includes a voltage sampling module, an input end of the voltage sampling module is electrically connected to an output end of the rectification filter module, and an output end of the voltage sampling module is electrically connected to the control unit 41.
The voltage sampling module takes positive 310V voltage from the output end of the rectification filter module, and the voltage is transmitted to the control unit 41 after being reduced, and the control unit 41 monitors the sampling signal to judge the voltage of the power bus.
Specifically, the voltage reduction chip adopted in the voltage conversion module is OB2227M and the voltage stabilization chip is 78L05. The chip model of the control unit 41 is RX32S10. The control unit 41 controls the operation of the entire system, and monitors and controls the battery state, the state of charge, the motor rotation speed, and the motor torque.
Preferably, the dc driving board 4 further includes a speed adjusting unit 45, the speed adjusting unit 45 includes a potentiometer and a voltage dividing circuit, the potentiometer is disposed on the casing 1, the potentiometer is electrically connected to the voltage dividing circuit, and the voltage dividing circuit is disposed on the dc driving board 4 and electrically connected to the control unit 41.
The potentiometer can adopt a knob type rotary switch, electricity is obtained from 5V voltage through a voltage division circuit, when the potentiometer rotates, the voltage of the potentiometer changes linearly, the voltage change is transmitted to the control unit 41 through the voltage division circuit, and the control unit 41 adjusts the rotating speed of the motor according to the voltage change value.
Preferably, the dc driving board 4 further includes a temperature detecting unit 46, the temperature detecting unit 46 includes a temperature detecting probe and a temperature detecting chip, the temperature detecting probe is disposed in the casing 1 and opposite to the motor 2, the temperature detecting chip is disposed on the dc driving board 4, and the temperature detecting chip is electrically connected to the control unit 41.
The temperature detection probe is a thermistor and is used for detecting the temperature of the motor during working and converting the detected temperature into a signal to be sent to the control unit 41, and when the temperature is too high, the control unit 41 sends a signal to close the motor, so that the motor damage caused by the too high temperature is avoided.
In the description of the present specification, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive step, and these embodiments are all intended to fall within the scope of the present invention.
Claims (8)
1. The utility model provides a direct current drive's fan aircraft nose, its characterized in that includes casing, motor, tooth case and direct current drive plate, the motor sets up in the casing, the output shaft of motor with the tooth case is connected, the direct current drive plate sets up in the casing, the direct current drive plate with the motor electricity is connected, the direct current drive plate is used for connecting outside access line and converts alternating current commercial power into DC voltage, gives the motor power supply.
2. The direct-current driven fan head as claimed in claim 1, wherein the direct-current driving board comprises a control unit, a power supply unit, a MOS tube driving unit and a motor driving unit;
the input end of the power supply unit is electrically connected with an alternating current commercial power, the output end of the power supply unit is electrically connected with the MOS tube driving unit, the motor driving unit and the control unit, the power supply unit is used for converting the commercial power into a direct current high voltage and a direct current low voltage, the direct current high voltage is used for supplying power to the motor through the motor driving unit, and the direct current low voltage is used for supplying power to circuit elements;
the input end of the MOS tube driving unit is electrically connected with the control unit, the output end of the MOS tube driving unit is electrically connected with the motor driving unit, and the MOS tube driving unit is used for amplifying signals from the control unit so as to drive the motor driving unit;
the motor driving unit is electrically connected with the control unit.
3. The direct-current-driven fan head as claimed in claim 2, wherein the power supply unit comprises a rectifying and filtering module and a voltage conversion module; the rectification filter module is electrically connected with the voltage conversion module and the motor driving unit, the voltage conversion module is electrically connected with the MOS tube driving unit, and the voltage conversion module is used for converting positive 310V voltage into positive 15V voltage and positive 5V voltage; the voltage conversion module is electrically connected with the control unit.
4. The dc-driven fan head as claimed in claim 3, wherein the power supply unit further comprises a voltage sampling module, an input terminal of the voltage sampling module is electrically connected to an output terminal of the rectifying and filtering module, and an output terminal of the voltage sampling module is electrically connected to the control unit.
5. The direct-current-driven fan head according to claim 4, wherein the voltage conversion module adopts a voltage reduction chip with model number OB2227M and a voltage regulation chip with model number 78L05.
6. The direct-current driven fan head as claimed in claim 2, wherein the chip model of the control unit is RX32S10.
7. The dc driven fan head as claimed in claim 2, wherein the dc driving board further comprises a speed adjusting unit, the speed adjusting unit comprises a potentiometer and a voltage dividing circuit, the potentiometer is disposed on the housing, the potentiometer is electrically connected to the voltage dividing circuit, and the voltage dividing circuit is disposed on the dc driving board and electrically connected to the control unit.
8. The direct-current driven fan head according to claim 2, wherein the direct-current driving board further comprises a temperature detection unit, the temperature detection unit comprises a temperature detection probe and a temperature detection chip, the temperature detection probe is arranged in the casing and is opposite to the motor, the temperature detection chip is arranged on the direct-current driving board, and the temperature detection chip is electrically connected with the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223436788.XU CN218829643U (en) | 2022-12-21 | 2022-12-21 | Direct current driven fan aircraft nose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223436788.XU CN218829643U (en) | 2022-12-21 | 2022-12-21 | Direct current driven fan aircraft nose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218829643U true CN218829643U (en) | 2023-04-07 |
Family
ID=87246857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223436788.XU Active CN218829643U (en) | 2022-12-21 | 2022-12-21 | Direct current driven fan aircraft nose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218829643U (en) |
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2022
- 2022-12-21 CN CN202223436788.XU patent/CN218829643U/en active Active
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