CN108415007A - Indoor orientation method, intelligent appliance, storage medium and positioning system - Google Patents
Indoor orientation method, intelligent appliance, storage medium and positioning system Download PDFInfo
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- CN108415007A CN108415007A CN201810095010.6A CN201810095010A CN108415007A CN 108415007 A CN108415007 A CN 108415007A CN 201810095010 A CN201810095010 A CN 201810095010A CN 108415007 A CN108415007 A CN 108415007A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 18
- 238000013461 design Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000004807 localization Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
The present embodiments relate to field of communication technology, a kind of indoor orientation method, intelligent appliance, storage medium and positioning system are disclosed.In the present invention, which is applied to positioning device, and positioning device communicates to connect between any two with reference unit and destination apparatus;This method includes:When getting the Location Request for positioning destination apparatus, obtains and preset location information;The cartographic information of localization region where positioning device prestores positioning device;Wherein, cartographic information includes the coordinate of positioning device and reference unit;Presetting positioning information includes:Before destination apparatus shutdown, the relative distance of destination apparatus, positioning device and reference unit between any two;The target position information of destination apparatus is calculated in information and default location information according to the map, and prompts the user with target position information.By using embodiment of the present invention, its position can be quickly and easily positioned in the case of the shutdown such as mobile phone, be looked for convenient for user.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to an indoor positioning method, an intelligent household appliance, a storage medium and a positioning system.
Background
With the development of science and technology, mobile terminals, such as smart phones, play an important role in people's daily life and become an indispensable daily tool.
The inventor finds that at least the following problems exist in the prior art: people often forget the specific placement position of the smart phone after placing the smart phone at a certain position in the home at work or in life. The conventional method for positioning the mobile phone mainly finds the mobile phone by dialing the mobile phone to listen to the voice, however, the mobile phone may be powered off due to power exhaustion after being placed for a period of time, so that dialing is impossible, and further inconvenience is brought to finding the mobile phone.
Disclosure of Invention
An object of embodiments of the present invention is to provide an indoor positioning method, an intelligent home appliance, a storage medium, and a positioning system, which can quickly and conveniently position a mobile phone and the like when the mobile phone is turned off, and facilitate finding by a user.
In order to solve the technical problem, an embodiment of the present invention provides an indoor positioning method, which is applied to a positioning device, wherein the positioning device is in communication connection with a reference device and a target device; the method comprises the following steps: when a positioning request for positioning the target device is acquired, acquiring preset positioning information; the positioning device prestores map information of a positioning area where the positioning device is located; wherein the map information comprises coordinates of the positioning device or the reference device; the preset positioning information comprises: before the target device is powered off, the relative distance between the target device, the positioning device and the reference device is relatively short; and calculating target position information of the target device according to the map information and preset positioning information, and prompting the target position information to a user.
An embodiment of the present invention further provides an intelligent home appliance, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the indoor positioning method as previously described.
Embodiments of the present invention also provide a storage medium storing a computer program, which when executed by a processor implements the indoor positioning method as described above.
An embodiment of the present invention further provides a positioning system, including: a reference device, a target device and an intelligent appliance as described above; the reference device, the target device and the intelligent household appliance are in communication connection.
Compared with the prior art, the positioning device, the reference device and the target device are in two-to-two communication connection, the map information of the positioning area where the positioning device is located is stored in the positioning device, and the map information comprises the coordinates of the positioning device and the reference device. When a user needs to find a target device (such as a smart phone), the positioning device can be triggered to perform positioning of the target device, the positioning device acquires preset positioning information, the preset positioning information comprises relative distances between the target device, the positioning device and the reference device before the target device is turned off, and the positioning device can acquire the relative distances between the target device, the positioning device and the reference device due to communication connection between every two of the three.
In addition, the map information also comprises the corresponding relation between the position information in the positioning area and the article information; the article corresponding to the article information is located at the position corresponding to the position information; the calculating to obtain the target position information of the target device according to the map information and the preset positioning information specifically includes: calculating to obtain the position information of the target device in the positioning area according to the map information and preset positioning information; searching and obtaining article information corresponding to the position information of the target device in the positioning area according to the corresponding relation; and taking the article information as the target position information. By prompting the article information, the mobile phone is more convenient for a user to find.
Additionally, the article comprises one or any combination of the following: beds, sofas, and tables.
In addition, the calculating according to the map information and preset positioning information to obtain the target position information of the target device specifically includes: calculating to obtain the intersection point of the first circle and the second circle; the center of the first circle is the coordinate of the positioning device in the map, and the radius of the first circle is the relative distance between the positioning device and the target device; the center of the second circle is the coordinate of the reference device in the map, and the radius of the second circle is the relative distance between the target device and the reference device; and taking the intersection point as the target position information. So that the position of the target device can be quickly calculated.
In addition, the relative distance is obtained by measuring the receiving intensity of the radio frequency signal.
In addition, the positioning device is an intelligent sound box or an intelligent refrigerator.
In addition, the map information is obtained by adding coordinate information to the design drawing of the positioning area.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a flowchart of an indoor positioning method according to a first embodiment of the present invention;
fig. 2 is a flowchart of an indoor positioning method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a positioning system according to a fifth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The first embodiment of the invention relates to an indoor positioning method, which is applied to a positioning device, wherein the positioning device is in communication connection with a reference device and a target device. The indoor positioning method comprises the following steps: when a positioning request for positioning a target device is acquired, acquiring preset positioning information, wherein the positioning device prestores map information of a positioning area where the positioning device is located, the map information comprises coordinates of the positioning device and a reference device, and the preset positioning information comprises: before the target device is shut down, the relative distance between every two of the target device, the positioning device and the reference device is calculated according to the map information and the preset positioning information to obtain the target position information of the target device, and the target position information is prompted to a user. Compared with the prior art, the positioning device, the reference device and the target device are in two-to-two communication connection, the map information of the positioning area where the positioning device is located is stored in the positioning device, and the map information comprises the coordinates of the positioning device or the reference device. When a user needs to find a target device (such as a smart phone), the positioning device can be triggered to perform positioning of the target device, the positioning device acquires preset positioning information, the preset positioning information comprises relative distances between the target device, the positioning device and the reference device before the target device is turned off, and the positioning device can acquire the relative distances between the target device, the positioning device and the reference device due to communication connection between every two of the three. The following describes the implementation details of the indoor positioning method of the present embodiment in detail, and the following is only provided for the convenience of understanding and is not necessary to implement the present embodiment.
Referring to fig. 1, the indoor positioning method of the present embodiment includes steps 101 to 104.
Step 101: and judging whether a positioning request for positioning the target device is acquired, if so, executing the step 102, otherwise, returning to the step 101.
In the present embodiment, the positioning device prestores map information of a positioning area where the positioning device is located. For example, the positioning area is, for example, a user residence, and the positioning device and the reference device are both located in the positioning area. The map information may be obtained by adding coordinate information to a design drawing of the positioning area. The plan may be a plan of the house, and the plan can very accurately reflect the layout, the actual area, and the like of the house. Adding coordinate information to the design drawing means, for example, dividing a space corresponding to the design drawing into a size of a square having a side length of 10 cm according to the accuracy of positioning, for example, 10 cm, and setting coordinates for each of the divided small spaces. In some examples, map information of the positioning area may also be directly obtained from other intelligent devices, for example, a cleaning path of the sweeping robot is used as the map information of the positioning area. The present embodiment is not particularly limited to the manner of acquiring the map information. The map information includes coordinates of the positioning device and the reference device. Wherein the positioning means as well as the reference means can be added manually to the map information. The map information may further include: and the corresponding relation between the position information in the positioning area and the article information. And the article corresponding to the article information is positioned at the position corresponding to the position information. The correspondence may be added manually, the item for example comprising one or any combination of the following: beds, sofas, and tables. The more items are added, the more map information is obtained that reflects the actual situation in the residence, and the present embodiment is not particularly limited with respect to the type and number of items.
Wherein, the positioning device is, for example, a smart sound box or a smart refrigerator. The present embodiment is not particularly limited to the positioning device. When the user needs to find the opportunity, voice interaction can be performed with the intelligent sound box, for example, the user can send out 'where the mobile phone is located', the intelligent sound box identifies the voice of the user, and when the situation that the target device needs to be located is identified, the location request is determined to be acquired.
Step 102: and acquiring preset positioning information.
In this embodiment, the preset positioning information includes: before the target device is shut down, the relative distance between the target device, the positioning device and the reference device is relatively short. Before the target device is turned off, it means a short time, for example, 2 minutes, before the power of the target device is exhausted. In this embodiment, the relative distance between the target device, the positioning device, and the reference device can be obtained by measuring the received rf signal strength. The manner of ranging according to the received strength of the rf signal is well known to those skilled in the art and will not be described herein.
Step 103: and calculating the target position information of the target device according to the map information and the preset positioning information.
Step 103 specifically includes sub-steps 1031 to 1033.
Substep 1031: and calculating the position information of the target device in the positioning area according to the map information and the preset positioning information.
Namely, the coordinates of the target device in the map are calculated.
The reference device is, for example, a smart socket, and the reference device is not particularly limited in this embodiment. In the present embodiment, the coordinates of the positioning device and the reference device in the map are known, and the relative distances between the positioning device, the target device, and the reference device are known, where the distance between the target device and the positioning device is represented by a, the distance between the target device and the reference device is represented by b, and the distance between the positioning device and the reference device is represented by c, so that the angle of the triangle formed by a, b, and c can be calculated according to the magnitude relationship between a, b, and c, and the position of the target device can be determined. Specifically, when determining the angle of the triangle, it may be determined whether a, b, and c satisfy a preset relationship, for example, whether a, b, and c satisfy the pythagorean theorem, and if so, the angle may be determined according to the pythagorean theorem. In some examples, the predetermined relationship may be an equilateral triangle, an isosceles triangle, or the like, so that the angle can be determined quickly.
Substep 1032: and searching and obtaining the article information corresponding to the position information of the target device in the positioning area according to the corresponding relation.
The position information is, for example, coordinates or a coordinate range, and the correspondence relationship is a correspondence relationship between the coordinates or the coordinate range and the article information. Therefore, the corresponding article information can be searched and obtained according to the coordinates of the target device.
Substep 1033: the article information is used as target position information.
By prompting the article information, the user can conveniently and quickly find the mobile phone.
Step 104: target location information is prompted to the user.
Specifically, the target location information may be prompted to the user through voice, so that the user can find the mobile phone quickly, or the target location information may be displayed through the display screen.
Compared with the prior art, the positioning device, the reference device and the target device are in two-to-two communication connection, the map information of the positioning area where the positioning device is located is stored in the positioning device, and the map information comprises the coordinates of the positioning device or the reference device. When a user needs to find a target device (such as a smart phone), the positioning device can be triggered to perform positioning of the target device, the positioning device acquires preset positioning information, the preset positioning information comprises relative distances between the target device, the positioning device and the reference device before the target device is turned off, and the positioning device can acquire the relative distances between the target device, the positioning device and the reference device due to communication connection between every two of the three.
A second embodiment of the present invention relates to an indoor positioning method. The second embodiment is substantially the same as the first embodiment, and mainly differs therefrom in that: in the first embodiment, the target position information is calculated by calculating the angle between the three. In the second embodiment of the present invention, the target position information is calculated by finding the intersection, thereby enriching the implementation manners of the present invention.
Referring to fig. 2, the indoor positioning method of the present embodiment includes steps 201 to 204. Step 201, step 202 and step 204 are the same as step 101, step 102 and step 104, respectively, and are not described herein again.
In this embodiment, step 203 includes sub-step 2031 and sub-step 2032.
Substep 2031: and calculating to obtain the intersection point of the first circle and the second circle.
The center of the first circle is the coordinate of the positioning device in the map, the radius of the first circle is the relative distance between the positioning device and the target device, the center of the second circle is the coordinate of the reference device in the map, and the radius of the second circle is the relative distance between the target device and the reference device.
Substep 2032: the intersection is taken as target position information.
Through the embodiment, the position of the target device can be quickly calculated, so that a user can be helped to quickly find the mobile phone.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
A third embodiment of the present invention relates to an intelligent household appliance, such as an intelligent sound box or an intelligent refrigerator, and the type of the intelligent household appliance is not particularly limited in this embodiment. This intelligent household electrical appliance includes: at least one processor, and a memory communicatively coupled to the at least one processor, wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the indoor positioning method of the first or second embodiment.
Where the memory and processor are connected by a bus, the bus may comprise any number of interconnected buses and bridges, the buses connecting together one or more of the various circuits of the processor and the memory. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor.
The processor is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And the memory may be used to store data used by the processor in performing operations.
A fourth embodiment of the present invention relates to a storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
A fifth embodiment of the present invention relates to a positioning system. Referring to fig. 3, the positioning system of the present embodiment includes: a reference device, a target device and an intelligent appliance as described in the fourth embodiment. The reference device 1, the target device 2 and the intelligent household appliance 3 are in communication connection with each other.
For example, the reference device 1 may be a smart socket, a smart desk lamp, etc., the target device 2 is a smart phone, and the smart appliance 3 is a smart speaker or a smart refrigerator, for example. The intelligent household appliance, the target device and the reference device can be in communication connection through the Internet of things. The present embodiment is not particularly limited to the communication method between the three.
Compared with the prior art, the positioning device, the reference device and the target device are in two-to-two communication connection, the map information of the positioning area where the positioning device is located is stored in the positioning device, and the map information comprises the coordinates of the positioning device or the reference device. When a user needs to find a target device (such as a smart phone), the positioning device can be triggered to perform positioning of the target device, the positioning device acquires preset positioning information, the preset positioning information comprises relative distances between the target device, the positioning device and the reference device before the target device is turned off, and the positioning device can acquire the relative distances between the target device, the positioning device and the reference device due to communication connection between every two of the three.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. The indoor positioning method is characterized by being applied to a positioning device, wherein the positioning device is in communication connection with a reference device and a target device; the method comprises the following steps:
when a positioning request for positioning the target device is acquired, acquiring preset positioning information; the positioning device prestores map information of a positioning area where the positioning device is located; wherein the map information comprises coordinates of the positioning device and the reference device; the preset positioning information comprises: before the target device is powered off, the relative distance between the target device, the positioning device and the reference device is relatively short;
and calculating target position information of the target device according to the map information and preset positioning information, and prompting the target position information to a user.
2. The indoor positioning method according to claim 1, wherein the map information further includes correspondence between position information and article information in the positioning area; the article corresponding to the article information is located at the position corresponding to the position information;
the calculating to obtain the target position information of the target device according to the map information and the preset positioning information specifically includes:
calculating to obtain the position information of the target device in the positioning area according to the map information and preset positioning information;
searching and obtaining article information corresponding to the position information of the target device in the positioning area according to the corresponding relation;
and taking the article information as the target position information.
3. The indoor positioning method according to claim 2, wherein the article comprises one of the following or any combination thereof: beds, sofas, and tables.
4. The indoor positioning method according to claim 1, wherein the calculating target position information of the target device according to the map information and preset positioning information specifically includes:
calculating to obtain the intersection point of the first circle and the second circle; the center of the first circle is the coordinate of the positioning device in the map, and the radius of the first circle is the relative distance between the positioning device and the target device; the center of the second circle is the coordinate of the reference device in the map, and the radius of the second circle is the relative distance between the target device and the reference device;
and taking the intersection point as the target position information.
5. The indoor positioning method according to claim 1, wherein the relative distance is obtained by radio frequency signal reception strength measurement.
6. The indoor positioning method of claim 1, wherein the positioning device is a smart speaker or a smart refrigerator.
7. The indoor positioning method according to claim 1, wherein the map information is obtained by adding coordinate information to a design drawing of the positioning area.
8. An intelligent appliance, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the indoor positioning method of any one of claims 1 to 7.
9. A storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the indoor positioning method of any one of claims 1 to 7.
10. A positioning system, comprising: a reference device, a target device, and the intelligent appliance of claim 8;
the reference device, the target device and the intelligent household appliance are in communication connection.
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CN201810095010.6A CN108415007A (en) | 2018-01-31 | 2018-01-31 | Indoor orientation method, intelligent appliance, storage medium and positioning system |
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CN111565366A (en) * | 2019-02-13 | 2020-08-21 | 佛山市顺德区美的电热电器制造有限公司 | Household appliance positioning method and device, movable intelligent device and storage medium |
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