CN110594174A - Handheld fan and control method thereof - Google Patents
Handheld fan and control method thereof Download PDFInfo
- Publication number
- CN110594174A CN110594174A CN201910963366.1A CN201910963366A CN110594174A CN 110594174 A CN110594174 A CN 110594174A CN 201910963366 A CN201910963366 A CN 201910963366A CN 110594174 A CN110594174 A CN 110594174A
- Authority
- CN
- China
- Prior art keywords
- fan
- mode
- human body
- induction module
- controller
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000006698 induction Effects 0.000 claims abstract description 26
- 230000001960 triggered effect Effects 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
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
- F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a handheld fan and a control method thereof. The fan comprises a human body induction module arranged on a mesh enclosure for coating fan blades, a controller electrically connected with the human body induction module, and a fan motor electrically connected with the controller. The method comprises the following steps: when the fan is in a working state, the controller receives the temperature of the air supply area detected by the human body induction module; comparing the received temperature with a preset temperature threshold value, and judging whether a user is present; when no user is present, the fan is controlled to stop rotating. The handheld fan and the control method thereof can automatically turn on and off and automatically adjust the wind speed; whether people are in the machine or not can be automatically identified, the machine is turned off when people walk, energy is saved, emission is reduced, and the service life is prolonged; the product is intelligent, and the user experience is improved.
Description
Technical Field
The invention relates to household appliances, in particular to a handheld fan and a control method thereof.
Background
The handheld fan on the market is mechanical control mostly, needs the manual opening of user to close, adjusts the wind speed, and user experience is not good enough, and when the user left, the fan continued to operate moreover, has the energy extravagant, so will influence the complete machine life-span for a long time.
Disclosure of Invention
The invention aims to solve the technical problem of providing a handheld fan and a control method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
in one aspect, the present invention provides a handheld fan. The hand-held fan includes: the human body induction module is arranged on a mesh enclosure covering fan blades, and the human body induction module further comprises a controller electrically connected with the human body induction module and a fan motor electrically connected with the controller.
Optionally, the handheld fan further comprises a key electrically connected with the controller.
Optionally, for the handheld fan, the key comprises a push switch and/or a touch switch.
Optionally, for the handheld fan, the body sensing module comprises a single point thermopile sensor.
On the other hand, the invention provides a control method of the handheld fan. The control method of the handheld fan comprises the following steps: when the fan is in a working state, the controller receives the temperature of the air supply area detected by the human body induction module; comparing the received temperature with a preset temperature threshold value, and judging whether a user is present; when no user is present, the fan is controlled to stop rotating.
Optionally, the control method of the handheld fan further includes: when the fan is in a stop state, the controller receives the temperature of the air supply area detected by the human body induction module; comparing the received temperature with a preset temperature threshold value, and judging whether a user is present; and when a user is present, controlling the fan to start.
Optionally, for the control method of the handheld fan, the handheld fan includes a key, and the control method further includes: the controller detects whether the key is triggered in a mode switching mode, and switches from the normal mode to the intelligent mode or from the intelligent mode to the normal mode when the mode switching mode is detected.
Optionally, the control method of the handheld fan further includes: in the normal mode, the controller detects whether the key is triggered in a gear shifting mode; and when the triggering in the gear shifting mode is detected, controlling the fan motor to operate according to the operation mode corresponding to the switched current gear.
Optionally, the control method of the handheld fan further includes: in the intelligent mode, the controller detects whether the key is triggered in a gear shifting mode; when the condition that the motor is triggered in a gear shifting mode is detected, determining the running mode of the motor according to the induction intensity corresponding to the switched current gear and the temperature of the current air supply area detected by the human body induction module; and controlling the motor to operate according to the determined operation mode of the motor.
Optionally, for the control method of the handheld fan, the sensing strength is a comparison curve of the fan speed and the temperature of the air supply area.
Compared with the prior art, the technical scheme of the invention has the following main advantages:
according to the handheld fan provided by the embodiment of the invention, the human body induction module is additionally arranged on the fan mesh enclosure part, so that the temperature change of an air supply area is monitored in real time, and the automatic operation of the fan is realized by using a reasonable control mode.
The handheld fan and the control method thereof can automatically turn on and turn off and automatically adjust the wind speed; whether people are in the machine or not can be automatically identified, the machine is turned off when people walk, energy is saved, emission is reduced, and the service life is prolonged; the product is intelligent, and the user experience is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a handheld fan according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for controlling a handheld fan according to another embodiment of the present invention;
fig. 3 is a flowchart of a control method of a handheld fan according to an example.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 is a schematic structural diagram of a handheld fan according to an embodiment of the present invention. The handheld fan of this embodiment includes a human body sensing module 110 disposed on a mesh enclosure covering fan blades, a controller electrically connected to the human body sensing module 110, and a fan motor 120 electrically connected to the controller.
The handheld fan of this embodiment may also include a button 130 electrically connected to the controller. The keys 130 may include push switches and/or touch switches.
The human body sensing module 110 may include a single point thermopile sensor.
The handheld fan of this embodiment may also include a base 140 and/or a grip portion 150. The grip portion 150 is for holding by a user. The key 130 may be provided on the grip portion 150.
Fig. 2 is a flowchart of a control method of the handheld fan according to another embodiment of the present invention.
As shown in fig. 2, in step S210, when the fan is in an operating state, the controller receives the temperature of the air supply area detected by the human body sensing module.
In step S220, the received temperature is compared with a preset temperature threshold, and whether a user is present is determined.
In step S230, when no user is present, the fan is controlled to stop.
The control method of the handheld fan of this embodiment further includes: when the fan is in a stop state, the controller receives the temperature of the air supply area detected by the human body induction module; comparing the received temperature with a preset temperature threshold value, and judging whether a user is present; and when a user is present, controlling the fan to start.
The control method of the handheld fan of this embodiment may further include: the controller detects whether the key is triggered in a mode switching mode, and switches from the normal mode to the intelligent mode or from the intelligent mode to the normal mode when the mode switching mode is detected.
As an alternative embodiment, in the normal mode, the controller detects whether the key is triggered in a gear shifting manner; and when the triggering in the gear shifting mode is detected, controlling the fan motor to operate according to the operation mode corresponding to the switched current gear.
As another alternative, in the smart mode, the controller detects whether the key is triggered in a shift manner; when the condition that the motor is triggered in a gear shifting mode is detected, determining the running mode of the motor according to the induction intensity corresponding to the switched current gear and the temperature of the current air supply area detected by the human body induction module; and controlling the motor to operate according to the determined operation mode of the motor. Wherein. The induction intensity can be a comparison curve of the fan rotating speed and the temperature of the air supply area.
The mode switching mode trigger may be a long time trigger button and the shift mode trigger may be a short time trigger button. Of course, the opposite is also possible.
As a more specific example, in the smart mode, the human body sensing module detects the temperature of the air supply area in real time. If the user is detected to be present, the fan is automatically started, the rotating speed of the fan is automatically adjusted according to the sensed human body temperature, and intelligent control is achieved. And if the user leaves, stopping the fan to rotate, and entering a standby mode until the user information is detected again.
Fig. 3 is a flowchart of a control method of a handheld fan according to an example. As shown in fig. 3, switching between the normal mode and the smart mode can be achieved by triggering the key. The method comprises the steps of starting up a default common mode and enabling the wind speed to be in a first gear, short-pressing a key in the common mode, sequentially switching fan wind speed gears, such as switching from the first gear to a second gear, or switching from the second gear to a third gear, and the like, and short-pressing the key until the last gear is switched, and then shutting down the fan. And in the normal mode, the intelligent mode is entered by long pressing the key. The induction intensity can be adjusted by pressing the key for a short time in the intelligent mode. The induction intensity is a comparison curve of the fan rotating speed and the temperature of the air supply area. When the key is pressed for a long time to enter the intelligent mode, the gear of the default induction intensity is the first gear, the first gear can be switched to the second gear by pressing the key for a short time, the second gear can be switched to the third gear by pressing the key for a short time, and the third gear is switched back to the first gear by pressing the key for a short time.
According to the handheld fan provided by the embodiment of the invention, the human body induction module is additionally arranged on the fan mesh enclosure part, so that the temperature change of an air supply area is monitored in real time, and the automatic operation of the fan is realized by using a reasonable control mode.
The handheld fan and the control method thereof can automatically turn on and turn off and automatically adjust the wind speed; whether people are in the machine or not can be automatically identified, the machine is turned off when people walk, energy is saved, emission is reduced, and the service life is prolonged; the product is intelligent, and the user experience is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the claims, and all equivalent structures or equivalent processes that are transformed by the content of the specification and the drawings, or directly or indirectly applied to other related technical fields are included in the scope of the claims.
Claims (10)
1. A hand held fan, comprising: the human body induction module is arranged on a mesh enclosure covering fan blades, and the human body induction module further comprises a controller electrically connected with the human body induction module and a fan motor electrically connected with the controller.
2. The hand-held fan of claim 1, further comprising a button electrically connected to the controller.
3. The hand held fan of claim 2, wherein the key comprises a push switch and/or a touch switch.
4. The handheld fan of claim 1, wherein the body sensing module comprises a single point thermopile sensor.
5. A method of controlling a hand held fan according to any one of claims 1 to 4, comprising:
when the fan is in a working state, the controller receives the temperature of the air supply area detected by the human body induction module;
comparing the received temperature with a preset temperature threshold value, and judging whether a user is present;
when no user is present, the fan is controlled to stop rotating.
6. The method of controlling a hand-held fan as claimed in claim 5, further comprising:
when the fan is in a stop state, the controller receives the temperature of the air supply area detected by the human body induction module;
comparing the received temperature with a preset temperature threshold value, and judging whether a user is present;
and when a user is present, controlling the fan to start.
7. The method of claim 5, wherein the hand-held fan includes a button,
the control method further comprises the following steps: the controller detects whether the key is triggered in a mode switching mode, and switches from the normal mode to the intelligent mode or from the intelligent mode to the normal mode when the mode switching mode is detected.
8. The method of controlling a hand-held fan as claimed in claim 7, further comprising:
in the normal mode, the controller detects whether the key is triggered in a gear shifting mode;
and when the triggering in the gear shifting mode is detected, controlling the fan motor to operate according to the operation mode corresponding to the switched current gear.
9. The method of controlling a hand-held fan as claimed in claim 7, further comprising:
in the intelligent mode, the controller detects whether the key is triggered in a gear shifting mode;
when the condition that the motor is triggered in a gear shifting mode is detected, determining the running mode of the motor according to the induction intensity corresponding to the switched current gear and the temperature of the current air supply area detected by the human body induction module;
and controlling the motor to operate according to the determined operation mode of the motor.
10. The method as claimed in claim 9, wherein the sensing strength is a comparison curve of the fan speed and the temperature of the blowing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963366.1A CN110594174A (en) | 2019-10-11 | 2019-10-11 | Handheld fan and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963366.1A CN110594174A (en) | 2019-10-11 | 2019-10-11 | Handheld fan and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110594174A true CN110594174A (en) | 2019-12-20 |
Family
ID=68866454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910963366.1A Pending CN110594174A (en) | 2019-10-11 | 2019-10-11 | Handheld fan and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110594174A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886634A (en) * | 2009-05-15 | 2010-11-17 | 岳建民 | Small direct current fan |
| CN107869468A (en) * | 2017-10-16 | 2018-04-03 | 罗铭炽 | Hand-held electric fan |
| CN109236700A (en) * | 2018-11-06 | 2019-01-18 | 珠海格力电器股份有限公司 | Fan energy-saving control method, energy-saving control system and fan thereof |
| CN109538516A (en) * | 2019-01-26 | 2019-03-29 | 郑州城市职业学院 | A kind of intelligent fan |
| CN109931283A (en) * | 2017-12-19 | 2019-06-25 | 富泰华工业（深圳）有限公司 | Energy-saving fan and its control method |
| CN109989936A (en) * | 2019-05-09 | 2019-07-09 | 广东顺德臻信电器科技有限公司 | The control method and human body sensing fan of human body sensing fan |
| CN110259715A (en) * | 2019-06-20 | 2019-09-20 | 电子科技大学成都学院 | A kind of electric fan based on shell temperature automatic adjustment revolving speed |
| CN210769429U (en) * | 2019-10-11 | 2020-06-16 | 珠海格力电器股份有限公司 | Hand-held fan |
-
2019
- 2019-10-11 CN CN201910963366.1A patent/CN110594174A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886634A (en) * | 2009-05-15 | 2010-11-17 | 岳建民 | Small direct current fan |
| CN107869468A (en) * | 2017-10-16 | 2018-04-03 | 罗铭炽 | Hand-held electric fan |
| CN109931283A (en) * | 2017-12-19 | 2019-06-25 | 富泰华工业（深圳）有限公司 | Energy-saving fan and its control method |
| CN109236700A (en) * | 2018-11-06 | 2019-01-18 | 珠海格力电器股份有限公司 | Fan energy-saving control method, energy-saving control system and fan thereof |
| CN109538516A (en) * | 2019-01-26 | 2019-03-29 | 郑州城市职业学院 | A kind of intelligent fan |
| CN109989936A (en) * | 2019-05-09 | 2019-07-09 | 广东顺德臻信电器科技有限公司 | The control method and human body sensing fan of human body sensing fan |
| CN110259715A (en) * | 2019-06-20 | 2019-09-20 | 电子科技大学成都学院 | A kind of electric fan based on shell temperature automatic adjustment revolving speed |
| CN210769429U (en) * | 2019-10-11 | 2020-06-16 | 珠海格力电器股份有限公司 | Hand-held fan |
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