CN111664103A - Intelligent electric fan and control method for supplying air according to human body position - Google Patents

Intelligent electric fan and control method for supplying air according to human body position Download PDF

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Publication number
CN111664103A
CN111664103A CN202010740744.2A CN202010740744A CN111664103A CN 111664103 A CN111664103 A CN 111664103A CN 202010740744 A CN202010740744 A CN 202010740744A CN 111664103 A CN111664103 A CN 111664103A
Authority
CN
China
Prior art keywords
fan
human body
processor
human
control method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010740744.2A
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Chinese (zh)
Inventor
刘瑜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Jingyi Intelligent Science and Technology Co Ltd
Original Assignee
Hangzhou Jingyi Intelligent Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Jingyi Intelligent Science and Technology Co Ltd filed Critical Hangzhou Jingyi Intelligent Science and Technology Co Ltd
Priority to CN202010740744.2A priority Critical patent/CN111664103A/en
Publication of CN111664103A publication Critical patent/CN111664103A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
    • 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
    • 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
    • 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
    • F04D27/007—Conjoint control of two or more different functions

Abstract

The invention discloses an intelligent electric fan and a control method for supplying air according to the position of a human body, wherein the intelligent electric fan comprises a fan base and a fan head, wherein an electronic control device, a power circuit and a processor for centralized control are arranged in the fan base; the human-computer interface is connected with the processor and arranged on the fan base; the head shaking speed regulating circuit is connected with the processor and is connected with a head shaking motor; the angle measuring device is connected with the processor and is connected with the shaft end of the oscillating motor; the fan speed regulating circuit is connected with the processor and is connected with a fan motor; the human body sensor is provided with a strip-shaped Fresnel lens, the two sides of the Fresnel lens are provided with shading bosses to prevent light rays on the two sides from entering, and an infrared pyroelectric sensor is arranged on a focal plane of the Fresnel lens.

Description

Intelligent electric fan and control method for supplying air according to human body position
Technical Field
The invention relates to an intelligent electric fan and a control method for supplying air according to the position of a human body, and belongs to the field of household appliances.
Background
The fan is a tool for taking the cool by the wind generated in hot days, and the blades are driven by the motor to rotate to generate airflow so as to achieve the effect of cooling. Different from an air conditioner, the fan does not change the ambient temperature, and has the advantages of low power, power saving and easy adjustment of wind power, so the fan is still a necessary electrical appliance for the public to carry out heatstroke prevention and cooling. Although fans have been developed from mechanical type, which was originally produced, to motor-driven type, to the existing tower type fans and bladeless type fans, electric fans are still in an unintelligent state, and people-oriented ideas are not presented. For example, the blowing range of the fan is fixed (even if the shaking function is turned on), and the orientation of the fan needs to be reset after the position of the user is changed; in the air supply range, air is supplied according to the uniform principle, air cannot be supplied to the position of a user in a key mode, and the use feeling is reduced.
Disclosure of Invention
The invention aims to solve the problems and provides an intelligent electric fan and a control method for supplying air according to the position of a human body, which can supply air according to the position of the human body to achieve the best use effect.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the intelligent electric fan comprises a fan base and a fan head, wherein an electronic control device is arranged in the fan base, the electronic control device is provided with a power circuit and a processor for performing centralized control, and the processor is internally provided with a control method for supplying air according to the position of a human body, and the control method further comprises the following steps:
-a body sensor connected to said processor, said body sensor being disposed on said fan head;
-a human machine interface coupled to said processor, said human machine interface being disposed on said fan base;
the oscillating head speed regulating circuit is connected with the processor and is connected with an oscillating motor;
-an angle measuring device connected to said processor, said angle measuring device being connected to a shaft end of said oscillating motor;
the oscillating head speed regulating circuit is connected with the processor and is connected with an oscillating motor;
-a fan speed regulation circuit connected to said processor, said fan speed regulation circuit being connected to a fan motor.
The human body sensor is provided with a strip-shaped Fresnel lens, the two sides of the Fresnel lens are provided with shading bosses to prevent light rays on the two sides from entering, and an infrared pyroelectric sensor is arranged on a focal plane of the Fresnel lens.
The control method for supplying air according to the position of the human body comprises the following steps:
(1) the user sets the intelligent electric fan to be in a shaking mode through the human-computer interface;
(2) the processor drives the oscillating speed regulating circuit to rotate the oscillating motor in two speed modes: if the human body sensor outputs an effective signal, namely a human body is detected, a low-speed mode is adopted; if the human body sensor outputs an invalid signal, namely, a human body is not detected, a high-speed mode is adopted.
The beneficial effect of this patent mainly shows: set up human sensor, detect human position, the key air supply promotes the use impression.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is a schematic diagram of the electronic control device of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, an intelligent electric fan and a control method for supplying air according to the position of a human body comprise a fan base 11 and a fan head 10, wherein the fan base 11 plays a role of supporting, and the fan head 10 comprises fan blades and a protective cover and plays a role of generating air flow.
In order to improve the intelligent degree, the fan base 9 is internally provided with an electronic control device, the electronic control device is provided with a power supply circuit 2 and a processor 1 for carrying out centralized control, the power supply circuit 2 converts an input alternating current power supply into a direct current power supply required by other circuits of the electronic control device, and the processor 1 is responsible for carrying out human body position detection, man-machine interaction and motor speed regulation.
Further comprising:
-a body sensor 3 connected to said processor 1, said body sensor 3 being disposed on said fan head 10;
human sensor 3 set up the fresnel lens of bar, fresnel lens both sides set up the boss of shading, block both sides light and get into, fresnel lens's focal plane on set up infrared pyroelectric sensor. The infrared pyroelectric sensor converts the received infrared radiation of the human body into a weak voltage signal. The Fresnel lens utilizes the special optical principle of the lens to generate a blind area and a high-sensitivity area which are alternately changed on the infrared pyroelectric sensor so as to improve the detection receiving sensitivity. When someone passes through the Fresnel lens, infrared rays emitted by the human body continuously and alternately enter a high-sensitivity region from a blind region, so that received infrared signals are input in a pulse mode of strong and weak, and the energy amplitude of the infrared signals is strengthened. Similarly, when the fan head 10 rotates, the infrared rays emitted by the stationary human body can continuously and alternately enter the high-sensitivity region from the blind region, and the received infrared signals are input in the form of pulses with small intensity, so that the purpose of detecting the stationary human body is achieved. Optionally, the infrared pyroelectric sensor can be a human body infrared pyroelectric sensor with model number RE200B of Risym company.
The Fresnel lens is embedded in the bosses at the two sides, so that the detection range is limited, and the detection can be only carried out when the fan head 10 is opposite to a human body, so that the accurate position of the human body can be determined.
A human-machine interface 8 connected to said processor 1, said human-machine interface 8 being arranged on said fan base 9;
the human-computer interface 8 can be set as a key or a touch switch, and the implementation of the patent is not influenced.
The oscillating head speed regulating circuit 6 is connected with the processor 1, and the oscillating head speed regulating circuit 6 is connected with an oscillating motor 7;
the oscillating motor 7 can drive the fan head 10 to rotate, and the air supply range is enlarged. The oscillating speed regulating circuit 6 controls the starting, stopping, forward transmission, reverse rotation and rotation speed of the oscillating motor 7.
An angle measuring device 9 connected with the processor, wherein the angle measuring device 9 is connected with the shaft end of the oscillating motor 7;
the angle measuring device 9 is used for calculating the rotation angle of the oscillating motor 7 in the rotation process so as to record the angle position of the human body detected by the human body sensor 3.
Preferably, the angle measuring device 9 is configured as a photoelectric encoder.
A fan speed regulating circuit 4 connected with the processor 1, wherein the fan speed regulating circuit 4 is connected with a fan motor 5.
Optionally, the fan motor 5 is an ac motor, and the fan speed control circuit 4 is a control circuit with a plurality of fixed speed gears.
Optionally, the fan motor 5 is a dc brushless motor, and the fan speed regulation circuit 4 is a variable-frequency dc speed regulation circuit.
The processor 1 is provided with a control method for supplying air according to the position of a human body, and comprises the following steps:
(1) the user sets the intelligent electric fan to be in a shaking mode through the human-computer interface 8;
the oscillating mode can enlarge the air supply area.
(2) The processor 1 drives the oscillating motor 7 to rotate in two speed modes through the oscillating speed regulating circuit 6: if the human body sensor 3 outputs an effective signal, namely a human body is detected, a low-speed mode is adopted; if the human body sensor 3 outputs an invalid signal, that is, no human body is detected, a high-speed mode is adopted.
When the fan head 10 is over against the human body, the rotating speed is reduced, and the cooling effect can be improved.

Claims (3)

1. The utility model provides an intelligent electric fan and according to human position control method of supplying air, includes fan base and fan head, its characterized in that: the fan base in set up electronic control device, electronic control device set up power supply circuit and carry out centralized control's treater, the treater inside set up according to the control method of human position air supply, still include:
-a body sensor connected to said processor, said body sensor being disposed on said fan head;
-a human machine interface coupled to said processor, said human machine interface being disposed on said fan base;
the oscillating head speed regulating circuit is connected with the processor and is connected with an oscillating motor;
-an angle measuring device connected to said processor, said angle measuring device being connected to a shaft end of said oscillating motor;
the oscillating head speed regulating circuit is connected with the processor and is connected with an oscillating motor;
-a fan speed regulation circuit connected to said processor, said fan speed regulation circuit being connected to a fan motor.
2. The intelligent electric fan and the control method for supplying air according to the position of the human body as claimed in claim 1, wherein: the human body sensor is provided with a strip-shaped Fresnel lens, the two sides of the Fresnel lens are provided with shading bosses to prevent light rays on the two sides from entering, and an infrared pyroelectric sensor is arranged on a focal plane of the Fresnel lens.
3. The intelligent electric fan and the control method for supplying air according to the position of the human body as claimed in claim 1, wherein: the control method for supplying air according to the position of the human body comprises the following steps:
(1) the user sets the intelligent electric fan to be in a shaking mode through the human-computer interface; (2) the processor drives the oscillating speed regulating circuit to rotate the oscillating motor in two speed modes: if the human body sensor outputs an effective signal, namely a human body is detected, a low-speed mode is adopted; if the human body sensor outputs an invalid signal, namely, a human body is not detected, a high-speed mode is adopted.
CN202010740744.2A 2020-07-28 2020-07-28 Intelligent electric fan and control method for supplying air according to human body position Withdrawn CN111664103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010740744.2A CN111664103A (en) 2020-07-28 2020-07-28 Intelligent electric fan and control method for supplying air according to human body position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010740744.2A CN111664103A (en) 2020-07-28 2020-07-28 Intelligent electric fan and control method for supplying air according to human body position

Publications (1)

Publication Number Publication Date
CN111664103A true CN111664103A (en) 2020-09-15

Family

ID=72392694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010740744.2A Withdrawn CN111664103A (en) 2020-07-28 2020-07-28 Intelligent electric fan and control method for supplying air according to human body position

Country Status (1)

Country Link
CN (1) CN111664103A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610514A (en) * 2020-12-08 2021-04-06 深圳市亿联智能有限公司 Intelligent fan with PIR
CN113404719A (en) * 2021-06-28 2021-09-17 珠海格力电器股份有限公司 Control method and device of wind sweeping equipment, electric fan and readable storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610514A (en) * 2020-12-08 2021-04-06 深圳市亿联智能有限公司 Intelligent fan with PIR
CN113404719A (en) * 2021-06-28 2021-09-17 珠海格力电器股份有限公司 Control method and device of wind sweeping equipment, electric fan and readable storage medium

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Application publication date: 20200915