CN110986479A - Refrigerator application method for radar sensor to feel people - Google Patents
Refrigerator application method for radar sensor to feel people Download PDFInfo
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- CN110986479A CN110986479A CN201911324742.9A CN201911324742A CN110986479A CN 110986479 A CN110986479 A CN 110986479A CN 201911324742 A CN201911324742 A CN 201911324742A CN 110986479 A CN110986479 A CN 110986479A
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- refrigerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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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
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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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/04—Sensors detecting the presence of a person
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Radar Systems Or Details Thereof (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an application method of a refrigerator with a radar sensor as a human feeling. Relates to the technical field of radar sensor application. The invention comprises the following steps: s101, powering on a refrigerator, and starting a refrigerator refrigeration and intelligent control assembly; s102, synchronously starting a radar sensing function; s103, the radar sensor can emit high-frequency waves at regular time, the radar sensor continuously inputs feedback signals when the high-frequency waves sense obstacles or users, the distance between the obstacles or the users and the refrigerator is recorded S104, and the singlechip processes data information sent by the radar sensor and judges whether the users exist or not; and S105, judging whether the user is within the effective distance or not by the singlechip according to the data information uploaded by the radar sensor. The radar has a distance measuring function, the brightness of the screen is controlled according to the distance, the control precision is high, and the problem that the error of the estimated distance is large due to the fact that infrared rays read the energy is solved.
Description
Technical Field
The invention belongs to the technical field of radar sensor application, and particularly relates to a refrigerator application method of a radar sensor for people feeling.
Background
The present household electrical appliances trade tends to intellectuality gradually, and human response also receives attention as the achievement of one of intellectuality, from the human pyroelectric infrared sensor of passive form (because the human body can launch the infrared ray, and then through fresnel lens reinforcing gathering to the infrared induction source on, and then sense people's existence) to active human response infrared sensor (through initiative transmission infrared signal, through the transmission module transmission, the acceptance module accomplishes human response jointly). At present, the comparison of using on the market is exactly two kinds, and infrared people has the low price, and the device consumption is little, but when having the advantage, also has certain limitation: the detector is easily interfered by various heat sources, light sources, radio frequency radiation and the like, and when the ambient temperature is close to the temperature of a human body, the detection sensitivity is obviously reduced, so that failure can be caused sometimes.
Disclosure of Invention
The invention aims to provide a refrigerator application method of a radar sensor as a human feeling, wherein the radar has a distance measuring function, controls the brightness of a screen according to a longer distance, has high control precision, solves the problem that the error of the estimated distance is large due to the fact that infrared rays read energy, and solves the problem that the existing detection sensitivity is obviously reduced and sometimes malfunction is possibly caused.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a refrigerator application method of a radar sensor for people, which comprises the following steps:
s101, powering on a refrigerator, and starting a refrigerator refrigeration and intelligent control assembly;
s102, synchronously starting a radar sensing function;
s103, the radar sensor can emit high-frequency waves at regular time, and when the high-frequency waves sense the obstacles or the users, the radar sensor continuously inputs feedback signals and records the distance between the obstacles or the users and the refrigerator;
s104, the single chip microcomputer processes data information sent by the radar sensor, whether a user exists or not is judged, if no user exists, the refrigerator does not react, and if the user is sensed, the next step is executed;
s105, judging whether the user is within the effective distance or not by the single chip microcomputer according to the data information uploaded by the radar sensor;
s106, if the distance is not within the effective distance, the refrigerator does not react, and if the distance is within the effective distance, the display panel or the large screen is lightened by the refrigerator, so that the subsequent operation of a user is facilitated.
Preferably, in S104, the single chip transmits the received signal acquired by the radar sensor to the refrigerator control board, so as to complete the sensing, sensing and controlling processes.
Preferably, the radar sensor comprises a transmitting module and a receiving module, and the transmitting module and the receiving module act together to judge the height, the width and the distance between the obstacle or the user and the refrigerator.
Preferably, the method for the single chip computer to determine the user in S104 includes the following steps:
s111, the external equipment inputs the data information of the height interval M, the width interval N and the effective distance D of the user into the single chip microcomputer;
s112, the single chip receives height data M and width data N of the obstacle or the user and the distance d between the obstacle or the user and the refrigerator, wherein the height data M and the width data N are acquired by the radar sensor, and if M is in an M interval and N is in an N interval, the difference between the distance d1 detected last time and the distance d2 detected this time is not zero, the single chip is judged to be the user; if any one or more items are not satisfied, judging the obstacle.
Preferably, the radar sensors are uniformly distributed on a door body of the refrigerator.
Aiming at the defects or shortcomings of the infrared human sensing technology, the invention provides an application method of a refrigerator with a radar sensor for making people feel, which has the following beneficial effects:
1. according to the stability of the radar, the interference problems of external heat sources, light sources, radio frequency radiation and the like can be avoided, and the problem that people feel insensitive or malfunction in summer when the ambient temperature and the human body temperature are close to each other can be solved.
2. The radar has the distance measuring function, controls the brightness of a screen according to the distance, has high control precision, and solves the problem of large distance estimation error caused by reading the energy by infrared.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a refrigerator application method of the radar sensor of the present invention for sensing a person;
FIG. 2 is a schematic diagram of the application logic of a refrigerator for sensing a person using the radar sensor of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a method for applying a radar sensor to a refrigerator, comprising the following steps:
s101, powering on a refrigerator, and starting a refrigerator refrigeration and intelligent control assembly;
s102, synchronously starting a radar sensing function;
s103, the radar sensor can emit high-frequency waves at regular time, and when the high-frequency waves sense the obstacles or the users, the radar sensor continuously inputs feedback signals and records the distance change between the obstacles or the users and the refrigerator;
s104, the single chip microcomputer processes data information sent by the radar sensor, whether a user exists or not is judged, if no user exists, the refrigerator does not react, and if the user is sensed, the next step is executed;
s105, judging whether the user is within the effective distance or not by the single chip microcomputer according to the data information uploaded by the radar sensor;
s106, if the distance is not within the effective distance, the refrigerator does not react, and if the distance is within the effective distance, the display panel or the large screen is lightened by the refrigerator, so that the subsequent operation of a user is facilitated.
The singlechip is used as a traffic hub, collects and transmits information from the radar sensor to the refrigerator control panel, and then completes the process from sensing to induction and then to control:
the radar sensor comprises a transmitting module and a receiving module, wherein the transmitting module and the receiving module act together and are used for judging the height and width of an obstacle or a user and the distance between the obstacle or the user and the refrigerator; the singlechip reads whether an object is shielded and the distance is measured by the radar sensor, and analyzes whether the object is necessary to be transmitted to the refrigerator control panel; the refrigerator control panel receives the signal of singlechip, needs the partial function of control refrigerator (for example light up display screen or big screen etc.), accomplishes the refrigerator intelligence operation after the response human body.
Example (b):
powering on the refrigerator, starting the refrigeration of the refrigerator and the intelligent control assembly, synchronously starting a radar sensing function, and monitoring in real time;
the radar sensor can regularly transmit high-frequency waves, the high-frequency waves sense obstacles or users, the radar sensor continuously inputs feedback signals and records the distance d between the obstacles or the users and the refrigerator, and the time t that the radar sensor regularly transmits the high-frequency waves and sends the high-frequency waves is 0.1 s;
the singlechip processes the data information sent by the radar sensor, judges whether a user exists or not,
the method for judging the user by the single chip microcomputer comprises the following steps:
s111, the external device inputs data information of a height interval M (60cm, 190cm), a width interval N (30cm, 80cm) and an effective distance D (30 cm) of the user into the single chip microcomputer;
s112, the single chip microcomputer receives height data M and width data N of the obstacle or the user and the distance d between the obstacle or the user and the refrigerator, wherein the height data M and the width data N are acquired by the radar sensor, if M is in an M interval and N is in an N interval, the difference △ t between the distance d1 detected last time and the distance d2 detected this time is not zero, the single chip microcomputer is judged as the user, and if any one or more items are not met, the single chip microcomputer is judged as the obstacle;
if no user exists, the refrigerator does not react, the user is sensed, and the next step is executed;
if the distance D is not within 30cm, the refrigerator does not react, and if the user is within the effective distance, the refrigerator lights the display panel or the large screen, so that the subsequent operation of the user is facilitated.
Wherein, the radar sensors are uniformly distributed on the door body of the refrigerator.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it can be understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above can be implemented by instructing the relevant hardware through a program, and the corresponding program can be stored in a computer-readable storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A refrigerator application method of a radar sensor for people feeling is characterized by comprising the following steps:
s101, powering on a refrigerator, and starting a refrigerator refrigeration and intelligent control assembly;
s102, synchronously starting a radar sensing function;
s103, the radar sensor can emit high-frequency waves at regular time, and when the high-frequency waves sense the obstacles or the users, the radar sensor continuously inputs feedback signals and records the distance between the obstacles or the users and the refrigerator;
s104, the single chip microcomputer processes data information sent by the radar sensor, whether a user exists or not is judged, if no user exists, the refrigerator does not react, and if the user is sensed, the next step is executed;
s105, judging whether the user is within the effective distance or not by the single chip microcomputer according to the data information uploaded by the radar sensor;
s106, if the distance is not within the effective distance, the refrigerator does not react, and if the distance is within the effective distance, the display panel or the large screen is lightened by the refrigerator, so that the subsequent operation of a user is facilitated.
2. The method as claimed in claim 1, wherein in S104, the single chip transmits the received radar sensor signal to the control board of the refrigerator to complete the sensing, sensing and controlling processes.
3. The method as claimed in claim 1, wherein the radar sensor comprises a transmitting module and a receiving module, the transmitting module and the receiving module are used together to judge the height, width and distance between the obstacle or user and the refrigerator.
4. The method for applying the radar sensor to the refrigerator for people sensing according to the claim 1 or 3, wherein the method for the singlechip to judge the user in the S104 comprises the following steps:
s111, the external equipment inputs the data information of the height interval M, the width interval N and the effective distance D of the user into the single chip microcomputer;
s112, the single chip receives height data M and width data N of the obstacle or the user and the distance d between the obstacle or the user and the refrigerator, wherein the height data M and the width data N are acquired by the radar sensor, and if M is in an M interval and N is in an N interval, the difference between the distance d1 detected last time and the distance d2 detected this time is not zero, the single chip is judged to be the user; if any one or more items are not satisfied, judging the obstacle.
5. The application method of the radar sensor as the refrigerator for people to feel according to claim 1, wherein the radar sensor is uniformly distributed on a door body of the refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324742.9A CN110986479A (en) | 2019-12-20 | 2019-12-20 | Refrigerator application method for radar sensor to feel people |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324742.9A CN110986479A (en) | 2019-12-20 | 2019-12-20 | Refrigerator application method for radar sensor to feel people |
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| CN110986479A true CN110986479A (en) | 2020-04-10 |
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| CN201911324742.9A Pending CN110986479A (en) | 2019-12-20 | 2019-12-20 | Refrigerator application method for radar sensor to feel people |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074487A (en) * | 2021-04-30 | 2021-07-06 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
| CN113662435A (en) * | 2021-09-03 | 2021-11-19 | 长虹美菱股份有限公司 | Reminding method and device for positioning of teahouse machine kettle |
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| KR950003073B1 (en) * | 1992-04-29 | 1995-03-30 | 주식회사 금성사 | Method and apparatus for controlling sleeping movements of air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074487A (en) * | 2021-04-30 | 2021-07-06 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
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| CN113662435A (en) * | 2021-09-03 | 2021-11-19 | 长虹美菱股份有限公司 | Reminding method and device for positioning of teahouse machine kettle |
| CN113662435B (en) * | 2021-09-03 | 2023-08-11 | 长虹美菱股份有限公司 | Reminding method and device for positioning of tea bar machine kettle |
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Application publication date: 20200410 |