CN110701089A - Fan control system capable of automatically adjusting wind speed based on ultra-wideband radar - Google Patents
Fan control system capable of automatically adjusting wind speed based on ultra-wideband radar Download PDFInfo
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- CN110701089A CN110701089A CN201911116757.6A CN201911116757A CN110701089A CN 110701089 A CN110701089 A CN 110701089A CN 201911116757 A CN201911116757 A CN 201911116757A CN 110701089 A CN110701089 A CN 110701089A
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4809—Sleep detection, i.e. determining whether a subject is asleep or not
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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
- 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
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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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
Abstract
The invention discloses a fan control system capable of automatically adjusting wind speed based on an ultra-wideband radar, and belongs to the technical field of smart homes. An ultra-wideband radar-based fan control system capable of automatically adjusting wind speed comprises: the device comprises a data processing and control module, a memory, a voice control module, a key module, an OLED display module, a wind speed adjusting module, an ultra-wideband radar module and a distance detection module, wherein the memory, the voice control module, the key module, the OLED display module, the wind speed adjusting module, the ultra-wideband radar module and the distance detection module are respectively connected with the data processing and control module. The invention makes up the defect that the traditional fan can only adjust the wind speed by hand, and realizes the functions of automatically adjusting the wind speed of the fan, automatically closing the fan after the user falls asleep and the like by taking the sign information acquired by the ultra-wideband radar module and the distance between the user and the fan acquired by the distance detection module as main judgment bases.
Description
Technical Field
The invention belongs to the technical field of smart homes, and particularly relates to a fan control system capable of automatically adjusting wind speed based on an ultra-wideband radar.
Background
In summer, the fan is one of the necessary household appliances for relieving summer heat and cooling. The traditional fan completes the operations of switching on and off the fan, adjusting the wind speed and the like mainly through keys or knobs, but the user needs to walk to the side of the fan for operation, which is very inconvenient. Sometimes, a user can start the fan to cool down during sleeping, but the fan can still work continuously after the user enters a sleeping state, so that unnecessary electric energy waste is caused, and the health of the user is not facilitated.
With the improvement of living standard, the single operation mode of the traditional fan can not meet the requirements of people. Therefore, it is necessary to design a fan control system capable of automatically adjusting the wind speed. The fan control system can control the fan in an interactive mode such as a key and voice mode, and meanwhile, the physical sign information collected by the ultra-wideband radar module and the distance between a user and the fan collected by the distance detection module are used as main judgment basis, so that the functions of automatically adjusting the wind speed of the fan, automatically closing the fan after the user falls asleep and the like are achieved.
Disclosure of Invention
The invention aims to provide a fan control system capable of automatically adjusting the wind speed based on an ultra-wideband radar, and aims to solve the problems that the traditional fan is single in interaction mode and needs manual operation.
The invention is realized by the following technical scheme:
a fan control system capable of automatically adjusting wind speed based on an ultra-wideband radar comprises a data processing and control module, a memory, a voice control module, a key module, an OLED display module, a wind speed adjusting module, an ultra-wideband radar module and a distance detection module.
The memory, the voice control module, the key module, the OLED display module, the wind speed adjusting module, the ultra-wideband radar module and the distance detection module are respectively connected with the data processing and control module.
A memory: the code storage module is used for storing codes required by normal work of all modules;
the voice control module: carrying out voice instruction recognition on the collected voice and providing a control signal for the data processing and control module;
a key module: the wind speed adjusting device comprises 4 keys, and realizes the functions of adjusting the wind speed and switching on and off the fan through a data processing and control module, wherein one key is used for switching on and off the fan, and 3 keys are used for adjusting the wind speed;
an OLED display module: displaying the real-time heart rate of the user, the distance between the user and the fan and the current wind speed;
the wind speed adjusting module: receiving an instruction sent by the data processing and control module to realize the functions of adjusting the wind speed and switching on and off the fan;
an ultra-wideband radar module: the device is used for acquiring the body motion amplitude, the heart rate and the respiratory rate of a user;
a distance detection module: the fan comprises a distance sensor for detecting the distance between a user and the fan;
the data processing and control module: receiving instructions sent by the voice control module and the key module, sending the adjusting instructions to the wind speed adjusting module to adjust the wind speed of the fan, analyzing and processing heart rate information, body action amplitude information and distance information collected by the distance detection module, collected by the ultra-wideband radar module, sending instructions to the wind speed adjusting module to increase the wind speed when the heart rate of a user is continuously higher than a quiet heart rate within a certain time, and sending instructions to the wind speed adjusting module to reduce the wind speed when the heart rate of the user is continuously lower than the quiet heart rate within a certain time; when the user is judged to enter the sleep state, sending an instruction to the air speed adjusting module to close the fan; and when the distance between the user and the fan is reduced and the distance is relatively stable and unchanged within a certain time, sending an instruction to the wind speed adjusting module to increase the wind speed.
The control method for realizing automatic wind speed adjustment by the data processing and control module comprises the following steps:
a) receiving an instruction sent by the key module, and sending an adjusting instruction to the wind speed adjusting module to realize the adjustment of the wind speed of the fan;
b) receiving an instruction sent by the voice control module, and sending an adjusting instruction to the wind speed adjusting module to realize the adjustment of the wind speed of the fan;
c) receiving echo data of the ultra-wideband radar module and the distance detection module;
d) extracting heart rate information and body action amplitude information of a user through echo data of the ultra-wideband radar module;
e) extracting distance information between a user and the fan through echo data of a distance detection module;
f) sending different wind speed adjusting instructions to a wind speed adjusting module according to the change of the heart rate of the user and the change of the distance between the user and the fan;
g) and judging whether the user is in a sleep state or not according to the change of the heart rate of the user and the change of the body action amplitude, and sending an instruction to the air speed adjusting module to close the fan when the user is judged to be in the sleep state.
The control method in the step f) comprises the following steps: within a certain time HRt>HR0Sending an instruction to the wind speed adjusting module to increase the wind speed, and within a certain time, HRt<HR0Sending an instruction to the wind speed adjustment module to reduce the wind speed, wherein HRtThe heart rate of the user is real-time, and the unit is time/minute; HR (human HR)0For a quiet heart rate, in units of beats/minute, HR075 times/min;
within a certain time St>St-1Sending an instruction to the wind speed adjusting module to increase the wind speed, and within a certain time St<St-1Sending an instruction to the wind speed adjustment module to reduce the wind speed, wherein StThe unit is m, which is the distance between the user and the fan at the current moment; st-1Is the distance between the user and the fan at the previous moment in m.
The control method in the step g) comprises the following steps: within a certain time HRt<HR0And Dt-Dt-1<M judges that the user enters the sleep state, sends an instruction to the wind speed adjusting module to close the windFan, wherein Dt-Dt-1The body motion amplitude of the user in the time period; m is a preset positive integer, and M is 20.
The invention has the beneficial effects that:
the invention provides a fan control system capable of automatically adjusting wind speed based on an ultra-wideband radar, which can control a fan through interactive modes such as keys, voice and the like, and simultaneously takes physical sign information acquired by an ultra-wideband radar module and the distance between a user and the fan acquired by a distance detection module as main judgment basis, so that the functions of automatically adjusting the wind speed of the fan, automatically closing the fan after the user falls asleep and the like are realized, the defects that the traditional fan has a single interactive mode and needs manual operation are overcome, and the operation of the user is greatly simplified.
Drawings
Fig. 1 is a system block diagram of a fan control system capable of automatically adjusting wind speed based on ultra-wideband radar according to the present invention.
FIG. 2 is a flow chart of a control method of the ultra-wideband radar-based fan control system capable of automatically adjusting wind speed according to the invention.
Detailed Description
Exemplary embodiments of the present invention will be described hereinafter with reference to the accompanying drawings. In order to make the technical solution of the present invention better understood and make the above objects, features and advantages of the present invention more comprehensible, a technical solution of the present invention is described in detail below with reference to the accompanying drawings.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the parts closely related to the solution according to the present invention are shown in the drawings, and other details not so much related to the present invention are omitted.
Detailed description of the invention
A system block diagram of a fan control system capable of automatically adjusting wind speed based on ultra-wideband radar is shown in fig. 1, and the system includes: the device comprises a data processing and control module (1), a memory (2), a voice control module (3), a key module (4), an OLED display module (5), a wind speed adjusting module (6), an ultra-wideband radar module (7) and a distance detection module (8); wherein:
the storage (2), the voice control module (3), the key module (4), the OLED display module (5), the wind speed adjusting module (6), the ultra-wideband radar module (7) and the distance detection module (8) are respectively connected with the data processing and control module (1);
memory (2): the code storage module is used for storing codes required by normal work of all modules;
voice control module (3): carrying out voice instruction recognition on the collected voice and providing a control signal for the data processing and control module (1);
key module (4): the wind speed adjusting device comprises 4 keys, and the functions of adjusting the wind speed and switching on and off the fan are realized through a data processing and control module (1), wherein one key is used for switching on and off the fan, and 3 keys are used for adjusting the wind speed;
OLED display module (5): displaying the real-time heart rate of the user, the distance between the user and the fan and the current wind speed;
a wind speed adjusting module (6): receiving an instruction sent by the data processing and control module (1) to realize the functions of adjusting the wind speed and switching on and off the fan;
ultra-wideband radar module (7): the system comprises a UWB (ultra wide band) radar for acquiring the body motion amplitude, the heart rate and the respiratory frequency of a user;
distance detection module (8): the fan comprises a distance sensor for detecting the distance between a user and the fan;
data processing and control module (1): receiving instructions sent by the voice control module (3) and the key module (4), sending the adjusting instructions to the wind speed adjusting module (6) to adjust the wind speed of the fan, analyzing and processing heart rate information, body action amplitude information and distance information collected by the distance detecting module (8) collected by the ultra-wideband radar module (7), sending instructions to the wind speed adjusting module (6) to increase the wind speed when the heart rate of a user is continuously higher than a quiet heart rate within a certain time, and sending instructions to the wind speed adjusting module (6) to decrease the wind speed when the heart rate of the user is continuously lower than the quiet heart rate within the certain time; when the user is judged to enter the sleep state, sending an instruction to the air speed adjusting module (6) to close the fan; and sending an instruction to the wind speed adjusting module (6) to increase the wind speed when the distance between the user and the fan is increased and relatively stable and unchanged within a certain time, and sending an instruction to the wind speed adjusting module (6) to decrease the wind speed when the distance between the user and the fan is decreased and relatively stable and unchanged within a certain time.
Detailed description of the invention
On the basis of the first specific embodiment, a control method of a fan control system capable of automatically adjusting wind speed based on an ultra-wideband radar comprises the following steps:
a) receiving an instruction sent by the key module, and sending an adjusting instruction to the wind speed adjusting module to realize the adjustment of the wind speed of the fan;
b) receiving an instruction sent by the voice control module, and sending an adjusting instruction to the wind speed adjusting module to realize the adjustment of the wind speed of the fan;
c) receiving echo data of the ultra-wideband radar module and the distance detection module;
d) extracting heart rate information and body action amplitude information of a user through echo data of the ultra-wideband radar module;
e) extracting distance information between a user and the fan through echo data of a distance detection module;
f) sending different wind speed adjusting instructions to a wind speed adjusting module according to the change of the heart rate of the user and the change of the distance between the user and the fan;
g) and judging whether the user is in a sleep state or not according to the change of the heart rate of the user and the change of the body action amplitude, and sending an instruction to the air speed adjusting module to close the fan when the user is judged to be in the sleep state.
The control method in the step f) comprises the following steps: within a certain time HRt>HR0Sending an instruction to the wind speed adjusting module to increase the wind speed, and within a certain time, HRt<HR0Sending an instruction to the wind speed adjustment module to reduce the wind speed, wherein HRtThe heart rate of the user is real-time, and the unit is time/minute; HR (human HR)0For a quiet heart rate, in units of beats/minute, HR075 times/min;
within a certain time St>St-1Sending command to wind speed adjusting moduleHigh wind speed, S within a certain timet<St-1Sending an instruction to the wind speed adjustment module to reduce the wind speed, wherein StThe unit is m, which is the distance between the user and the fan at the current moment; st-1Is the distance between the user and the fan at the previous moment in m.
The control method in the step g) comprises the following steps: within a certain time HRt<HR0And Dt-Dt-1<M judges that the user enters a sleep state, and sends an instruction to the wind speed adjusting module to turn off the fan, wherein Dt-Dt-1The body motion amplitude of the user in the time period; m is a preset positive integer, and M is 20.
The foregoing is illustrative of the preferred embodiments of the present invention only and is not to be taken as limiting the invention, as the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Thus, various modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the appended claims, and it is intended that all changes, equivalents, improvements and the like which come within the spirit and scope of the invention, as described herein, be embraced by the scope of the invention which is to be interpreted as illustrative and not in a limiting sense.
Claims (5)
1. The utility model provides a but fan control system of automatically regulated wind speed based on ultra wide band radar which characterized in that: an ultra-wideband radar-based fan control system capable of automatically adjusting wind speed comprises: the device comprises a data processing and control module (1), a memory (2), a voice control module (3), a key module (4), an OLED display module (5), a wind speed adjusting module (6), an ultra-wideband radar module (7) and a distance detection module (8); wherein:
the storage (2), the voice control module (3), the key module (4), the OLED display module (5), the wind speed adjusting module (6), the ultra-wideband radar module (7) and the distance detection module (8) are respectively connected with the data processing and control module (1);
memory (2): the code storage module is used for storing codes required by normal work of all modules;
voice control module (3): carrying out voice instruction recognition on the collected voice and providing a control signal for the data processing and control module (1);
key module (4): the wind speed adjusting device comprises 4 keys, and the functions of adjusting the wind speed and switching on and off the fan are realized through a data processing and control module (1), wherein one key is used for switching on and off the fan, and 3 keys are used for adjusting the wind speed;
OLED display module (5): displaying the real-time heart rate of the user, the distance between the user and the fan and the current wind speed;
a wind speed adjusting module (6): receiving an instruction sent by the data processing and control module (1) to realize the functions of adjusting the wind speed and switching on and off the fan;
ultra-wideband radar module (7): the device is used for acquiring the body motion amplitude, the heart rate and the respiratory rate of a user;
distance detection module (8): the fan comprises a distance sensor for detecting the distance between a user and the fan;
data processing and control module (1): the control method comprises the steps of receiving instructions sent by a voice control module (3) and a key module (4), sending the adjusting instructions to a wind speed adjusting module (6) to adjust the wind speed of the fan, analyzing and processing heart rate information collected by an ultra-wideband radar module (7), body action amplitude information and distance information collected by a distance detection module (8), sending different wind speed adjusting instructions according to the change of the heart rate of a user and the change of the distance between the user and the fan, and sending instructions to close the fan when the user is judged to be in a sleep state.
2. The control method of the ultra-wideband radar-based fan control system capable of automatically adjusting the wind speed according to claim 1 comprises the following steps:
a) receiving an instruction sent by the key module (4), and sending an adjusting instruction to the wind speed adjusting module (6) to realize the wind speed adjustment of the fan;
b) receiving an instruction sent by the voice control module (3), and sending an adjusting instruction to the wind speed adjusting module (6) to realize the wind speed adjustment of the fan;
c) receiving echo data of an ultra-wideband radar module (7) and a distance detection module (8);
d) extracting heart rate information and body action amplitude information of a user through echo data of an ultra-wideband radar module (7);
e) distance information between a user and the fan is extracted through echo data of a distance detection module (8);
f) sending different wind speed adjusting instructions to a wind speed adjusting module (6) according to the change of the heart rate of the user and the change of the distance between the user and the fan;
g) whether the user is in a sleep state or not is judged according to the change of the heart rate of the user and the change of the body action amplitude, and when the user is judged to be in the sleep state, an instruction is sent to the air speed adjusting module (6) to close the fan.
3. The ultra-wideband radar-based fan control system capable of automatically adjusting wind speed according to claim 2, wherein: the control method in the step f) comprises the following steps:
within a certain timeHR t >HR 0 Sending an instruction to the wind speed adjusting module (6) to increase the wind speed within a certain timeHR t <HR 0 Sending an instruction to the wind speed adjustment module (6) to reduce the wind speed, wherein,HR t the heart rate of the user is real-time, and the unit is time/minute;HR 0 resting heart rate in units of beats/minute;
within a certain timeS t >S t-1 Sending an instruction to the wind speed adjusting module (6) to increase the wind speed within a certain timeS t <S t-1 Sending an instruction to the wind speed adjustment module (6) to reduce the wind speed, wherein,S t the unit is m, which is the distance between the user and the fan at the current moment;S t-1 for the user at the previous momentThe distance from the fan is in m.
4. The ultra-wideband radar-based fan control system capable of automatically adjusting wind speed according to claim 2, wherein: the control method in the step g) comprises the following steps:
within a certain timeHR t <HR 0 And isD t -D t-1 <MJudging that the user enters a sleep state, sending an instruction to the air speed adjusting module (6) to close the fan, wherein,D t -D t-1 the body motion amplitude of the user in the time period;Mis a preset positive integer.
5. The ultra-wideband radar-based fan control system capable of automatically adjusting wind speed according to claim 2, claim 3 and claim 4, wherein:HR 0 (ii) =75 times/min,M=20。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116757.6A CN110701089A (en) | 2019-11-15 | 2019-11-15 | Fan control system capable of automatically adjusting wind speed based on ultra-wideband radar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911116757.6A CN110701089A (en) | 2019-11-15 | 2019-11-15 | Fan control system capable of automatically adjusting wind speed based on ultra-wideband radar |
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| CN110701089A true CN110701089A (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969901A (en) * | 2020-07-24 | 2022-01-25 | 中移(苏州)软件技术有限公司 | Rotating speed control method and device, computer storage medium and equipment |
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2019
- 2019-11-15 CN CN201911116757.6A patent/CN110701089A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969901A (en) * | 2020-07-24 | 2022-01-25 | 中移(苏州)软件技术有限公司 | Rotating speed control method and device, computer storage medium and equipment |
| CN113969901B (en) * | 2020-07-24 | 2023-07-21 | 中移(苏州)软件技术有限公司 | Rotational speed control method, rotational speed control device, computer storage medium and computer storage device |
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