WO2017193255A1

WO2017193255A1 - Wearable device and indoor navigation method therefor

Info

Publication number: WO2017193255A1
Application number: PCT/CN2016/081408
Authority: WO
Inventors: 高海军
Original assignee: 深圳市欸阿技术有限公司
Priority date: 2016-05-09
Filing date: 2016-05-09
Publication date: 2017-11-16
Also published as: CN107529339A

Abstract

Provided is an indoor navigation method for a wearable device. The method comprises: searching for, according to a received navigation instruction, a target position in a pre-set indoor electronic map (S10); acquiring a position where a user is currently located, and determining, according to the target position and the position where the user is currently located, a best route from the position where the user is currently located to the target position (S20); performing navigation according to the best route, acquiring, in real time, a position where the user is located during the navigation, and determining whether the position where the user is located is beyond the range of the best route (S30); and if so, generating and broadcasting prompt information, so as to prompt the user to go back to the range of the best route (S40). Further provided is a wearable device. By means of the provided wearable device and the indoor navigation method therefor, indoor navigation can be realized, thereby guiding a user to reach an indoor target position in the shortest time, reducing the time of the user searching for the target position indoors, and providing a good indoor navigation experience effect.

Description

Wearable device and method for indoor navigation thereof

Technical field

The present invention relates to the field of communications technologies, and in particular, to a wearable device and a method for indoor navigation thereof.

Background technique

Global Positioning System (Global Positioning System) , GPS) is a omni-directional, all-weather, full-time, high-precision satellite navigation system developed by the US Department of Defense. It can provide low-cost, high-precision navigation information such as three-dimensional position, velocity and precise timing for users around the world. It is a model application of satellite communication technology in the field of navigation. It has greatly improved the information level of the earth society and effectively promoted the development of the digital economy. GPS positioning technology can provide users with positioning and navigation functions outdoors, but cannot achieve indoor navigation.

Summary of the invention

The main object of the present invention is to provide a wearable device and a method for indoor navigation thereof, which solves the technical problem that the GPS positioning technology cannot realize indoor navigation in the prior art.

To achieve the above objective, the present invention provides an indoor navigation method for a wearable device, and the indoor navigation method of the wearable device includes:

Step 1: Find a target location in a preset indoor electronic map according to the received navigation instruction;

Step 2: Obtain a current location of the user, and determine an optimal route from the current location of the user to the target location according to the target location and the current location of the user;

Step 3: Navigating according to the optimal route, obtaining a location of the user in real time during the navigation process, and determining whether the location of the user is outside the optimal route range;

Step 4: If yes, generate and play a prompt message to prompt the user to return to the optimal route range.

Preferably, after the generating and playing the prompt information, the method further includes:

Calculating a shortest distance between the currently located location of the user and the best route;

Determining a size of the shortest distance and a preset distance threshold;

When the shortest distance is greater than or equal to the distance threshold, return to step two.

Preferably, the indoor navigation method of the wearable device further includes: after receiving the navigation instruction:

Real-time monitoring the user's pulse rate to determine whether the monitored pulse frequency is outside the preset pulse reference frequency range;

If yes, the current location of the user and the pulse frequency are sent to the preset target terminal to inform the target terminal side personnel: the current location of the user and the pulse frequency.

Preferably, the prompt information is text prompt information, vibration prompt information, pattern prompt information, or voice prompt information.

Preferably, the distance threshold ranges from 5 meters to 15 meters.

In addition, in order to achieve the above object, the present invention also provides a wearable device, the wearable device comprising:

a searching module, configured to search for a target location in a preset indoor electronic map according to the received navigation instruction;

a determining module, configured to acquire a current location of the user, and determine, according to the target location and the current location of the user, an optimal route from the current location of the user to the target location;

a navigation module, configured to navigate according to the optimal route;

a judging module, configured to acquire a location of the user in real time during the navigation process, and determine whether the location of the user is outside the optimal route range;

The prompting module is configured to generate and play the prompt information when the location of the user is outside the optimal route range, prompting the user to return to the optimal route range.

Preferably, the wearable device further includes: a calculation module, a calling module;

The calculating module is configured to calculate, after the prompting module generates and plays the prompt information, a shortest distance between the currently located location of the user and the optimal route;

The determining module is further configured to determine a size of the shortest distance and a preset distance threshold;

The calling module is further configured to: when the shortest distance is greater than or equal to the distance threshold, invoke the determining module, the navigation module, the determining module, the prompting module, and the computing module to sequentially perform corresponding Operation.

Preferably, the wearable device further includes: a monitoring module and a sending module;

The monitoring module is configured to monitor a user's pulse rate in real time after receiving the navigation instruction;

The determining module is further configured to determine whether the monitored pulse frequency is outside a preset pulse reference frequency range;

The sending module is configured to send the current position of the user and the pulse frequency to the preset target terminal when the monitored pulse frequency is outside the preset pulse reference frequency range, to notify the target terminal side personnel: the current location of the user And pulse rate.

Preferably, the distance threshold ranges from 5 meters to 15 meters.

The wearable device and the indoor navigation method thereof provide a target location in a preset indoor electronic map according to the received navigation instruction; and acquire a current location of the user, according to the target location, the current user Positioning, determining an optimal route from the current location of the user to the target location; navigating according to the optimal route, obtaining a location of the user in real time during the navigation process, and determining the location of the user Whether it is outside the optimal route range; if yes, generating and playing a prompt message, prompting the user to return to the optimal route range, enabling indoor navigation, guiding the user to the indoor target position in the shortest time, reducing When the user finds the target location indoors, the indoor navigation experience is good.

DRAWINGS

1 is a schematic flow chart of an embodiment of a method for indoor navigation of a wearable device according to the present invention;

2 is a flow chart of another embodiment of an indoor navigation method of a wearable device of the present invention;

3 is a schematic diagram of functional modules of an embodiment of a wearable device of the present invention;

4 is a schematic diagram of functional modules of another embodiment of the wearable device of the present invention;

FIG. 5 is a schematic diagram of functional modules of still another embodiment of the wearable device of the present invention.

Figure 6 is a schematic view showing the appearance of a wearable device of the present invention;

Figure 7 is a schematic view showing another appearance of the wearable device of the present invention;

Fig. 8 is a schematic view showing another appearance of the wearable device of the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

The preferred embodiments of the present invention are described in conjunction with the accompanying drawings, and the preferred embodiments described herein are intended to illustrate and explain the invention, and not to limit the invention, and The embodiments and the features in the embodiments can be combined with each other.

The invention provides an indoor navigation method for a wearable device. 1 is a schematic flow chart of an embodiment of an indoor navigation method of a wearable device according to the present invention. In an embodiment, the indoor navigation method of the wearable device includes:

Step S10: Find a target location in a preset indoor electronic map according to the received navigation instruction.

The wearable device in this embodiment needs to preset a corresponding indoor electronic map. The navigation instruction carries target location information. After receiving the navigation instruction carrying the target location information, the wearable device searches for the corresponding target location on the indoor electronic map according to the target location information.

Step S20: Obtain a current location of the user, and determine an optimal route from the current location of the user to the target location according to the target location and the current location of the user.

In this embodiment, the WIFI positioning technology is used to locate the current location of the user, and obtain the current location of the user. There may be multiple routes from the current location of the user to the target location. In this embodiment, in order to reduce the time taken by the user to go to the target location, after acquiring the current location of the user, the first step is based on the target location. The current location of the user, calculating all the routes from the current location of the user to the target location; then selecting a shortest route from the all routes as the current location of the user goes to the location The best route to the target location.

In step S30, the navigation is performed according to the optimal route, and the location of the user is obtained in real time during the navigation process, and it is determined whether the location of the user is outside the optimal route range.

In the process of navigating the user according to the optimal route in the embodiment, the user does not necessarily follow the optimal route of the navigation, and the user does not follow the optimal route of the navigation. It is very likely that the target location will not be reached, at least for the time it takes to go to the target location.

Step S40: When the location of the user acquired in the navigation process is outside the optimal route range, the prompt information is generated and played, prompting the user to return to the optimal route range.

In this embodiment, in order to ensure that the user can smoothly follow the optimal route of the navigation, when it is determined that the current first location of the user is outside the optimal route range, it is required to generate and play to prompt the user to return to the Tips within the best route range. The prompt information is a text prompt information, a vibration prompt information, a pattern prompt information, or a voice prompt information, and is preferably a voice prompt information.

In the present invention, when the wearable device plays the prompt information for prompting the user to return to the optimal route range, the user does not return to the optimal route range in time, but is more and more away from the optimal route. As far as this is concerned, the method provided by the above embodiment may not be able to guide the user to the target location. In response to this situation, the present invention proposes another embodiment of the method of indoor navigation of the wearable device. Referring to FIG. 2, FIG. 2 is a flowchart of another embodiment of an indoor navigation method of a wearable device according to the present invention. The embodiment is improved on the basis of the foregoing embodiment, and the improvement is as follows: after the generating and playing the prompt information, the method further includes:

Step S50: Calculate the shortest distance between the currently located location of the user and the optimal route.

Step S60: Determine a size of the shortest distance and a preset distance threshold; when the shortest distance is greater than or equal to the distance threshold, return to step S20.

That is, in the embodiment, when the shortest distance between the location where the user is located and the optimal route adopted by the navigation reaches or exceeds the distance threshold, the optimal route to the target location due to the user's current location is re-determined, and Re-Navigation based on the re-determined optimal route. This setup further ensures that the user is directed to the indoor target location in the shortest amount of time. The distance threshold in the embodiment ranges from 5 meters to 15 meters. If the distance threshold is set to 5 meters, 8 meters, 10 meters, or 15 meters, it is preferably set to 10 meters.

Further, the present invention proposes another embodiment of an indoor navigation method of a wearable device. The embodiment is improved on the basis of the foregoing embodiment. The improvement is that after receiving the navigation instruction, the method further includes the following steps: monitoring the pulse frequency of the user in real time, and determining whether the monitored pulse frequency is in advance. Set the pulse reference frequency range outside. When the monitored pulse frequency is outside the preset pulse reference frequency range, the current position of the user and the pulse frequency are sent to the preset target terminal to inform the target terminal side personnel: the current position of the user and the pulse frequency. Such an arrangement can ensure that the person on the target terminal side can find the user at the fastest speed and rescue the user, thereby ensuring the safety of the user.

The indoor navigation method of the wearable device provided by the present invention searches for a target location in a preset indoor electronic map according to the received navigation instruction; and acquires a current location of the user, according to the target location, the current location of the user a location, determining an optimal route from the current location of the user to the target location; navigating according to the optimal route, obtaining a location of the user in real time during the navigation process, and determining whether the location of the user is located Outside the range of the optimal route; if yes, generate and play a prompt message to prompt the user to return to the optimal route range, enable indoor navigation, guide the user to the indoor target position in the shortest time, and reduce the user The indoor navigation experience is good when looking for the target location indoors.

The invention further provides a wearable device. Referring to FIG. 3, FIG. 3 is a schematic diagram of functional modules of an embodiment of a wearable device according to the present invention. In an embodiment, the wearable device 100 includes: a search module 110, a determining module 120, a navigation module 130, a determining module 140, and a prompting module 150. The searching module 110 is configured to search for a target location in a preset indoor electronic map according to the received navigation instruction. The determining module 120 is configured to acquire a current location of the user, and determine, according to the target location and the current location of the user, an optimal route to the target location by the current location of the user. The navigation module 130 is configured to perform navigation according to the optimal route. The determining module 140 is configured to acquire the location of the user in real time during the navigation process, and determine whether the location of the user is outside the optimal route range. The prompting module 150 is configured to generate and play prompt information when the location of the user is outside the optimal route range, prompting the user to return to the optimal route range.

The wearable device 100 in this embodiment needs to preset a corresponding indoor electronic map. The navigation instruction carries target location information. After the wearable device 100 receives the navigation command carrying the target location information, the search module 110 searches for the corresponding target location on the indoor electronic map according to the target location information.

The determining module 120 in the embodiment uses the WIFI positioning technology to locate the current location of the user and obtain the current location of the user. There may be multiple routes from the current location of the user to the target location. In this embodiment, in order to reduce the time taken by the user to go to the target location, the determining module 120 obtains the current location of the user, first according to the target location. Calculating, by the current location of the user, all the routes from the current location of the user to the target location; and then selecting a shortest route from the all routes as the current location of the user The best route to the target location.

In the process of navigating the user according to the optimal route in the embodiment, the user does not necessarily follow the optimal route of the navigation, and the user does not follow the optimal route of the navigation. It is very likely that walking will not reach the target position, at least for the time it takes to go to the target location. In this embodiment, in order to ensure that the user can smoothly follow the optimal route of the navigation, when the determining module 140 determines that the current first location of the user is outside the optimal route range, the prompting module 150 needs to pass. A prompt message is generated and played to prompt the user to return to the best route range. The prompt information is a text prompt information, a vibration prompt information, or a voice prompt information, and the pattern prompt information is preferably a voice prompt information.

In the present invention, when the wearable device 100 plays the prompt information for prompting the user to return to the optimal route range, the user does not return to the optimal route range in time, but is away from the optimal route. The farther away, the solution provided by the above embodiment may not be able to guide the user to the target location. In response to this situation, the present invention proposes another embodiment of the wearable device. Referring to FIG. 4, FIG. 4 is a schematic diagram of functional modules of another embodiment of the wearable device of the present invention. The embodiment is improved on the basis of the foregoing embodiment, and the improvement is that the wearable device 100 further includes: a calculation module 160 and a calling module 170. The calculating module 160 is configured to calculate, after the prompting module 150 generates and plays the prompt information, a shortest distance between the currently located location of the user and the optimal route. The determining module 140 is further configured to determine a size of the shortest distance and a preset distance threshold. The calling module 170 is further configured to: when the shortest distance is greater than or equal to the distance threshold, invoke the determining module 120, the navigation module 130, the determining module 140, the prompting module 150, and the The calculation module 160 sequentially performs the corresponding operations. That is, in the embodiment, when the shortest distance between the location of the user and the optimal route adopted by the navigation reaches or exceeds the distance threshold, the determining module 120 is called to re-determine that the user is currently in the location to go to the target location. The best route is re-navigation by the navigation module 130 according to the re-determined optimal route. This setup further ensures that the user is directed to the indoor target location in the shortest amount of time. The distance threshold in the embodiment ranges from 5 meters to 15 meters. If the distance threshold is set to 5 meters, 8 meters, 10 meters, or 15 meters, it is preferably set to 10 meters.

Further, the present invention proposes another embodiment of the wearable device. Referring to FIG. 5, FIG. 5 is a schematic diagram of functional modules of still another embodiment of the wearable device of the present invention. The embodiment is improved on the basis of the foregoing embodiment, and the improvement is that the wearable device 100 further includes: a monitoring module 180 and a sending module 190. The monitoring module 180 is configured to monitor a user's pulse rate in real time after receiving the navigation instruction. The determining module 140 is further configured to determine whether the monitored pulse frequency is outside a preset pulse reference frequency range. The sending module 190 is configured to send the current location of the user and the pulse frequency to the preset target terminal when the monitored pulse frequency is outside the preset pulse reference frequency range, to notify the target terminal side that the user is currently Position and pulse rate. Such an arrangement can ensure that the person on the target terminal side can find the user at the fastest speed and rescue the user, thereby ensuring the safety of the user.

The wearable device 100 of the present invention searches for a target location in a preset indoor electronic map according to the received navigation instruction; and obtains a current location of the user, according to the target location, the current location of the user, Determining an optimal route from the current location of the user to the target location; navigating according to the optimal route, obtaining a location of the user in real time during the navigation process, and determining whether the location of the user is in the Outside the optimal route range; if yes, generate and play a prompt message to prompt the user to return to the best route range, enable indoor navigation, guide the user to the indoor target position in the shortest time, and reduce the user to find indoors The time of the target location, the indoor navigation experience is good.

The wearable device 100 of the present invention can be applied to various places, such as a large shopping mall, a hospital, and the like. When the wearable device is applied to hospital indoor navigation, the user is generally a visiting person who comes to the hospital. The wearable device 100 is provided by the hospital, and the first-time use of the medical staff is prevented from being unable to find the target position. Wherein, the navigation instruction can be sent by the hospital staff to the wearable device 100 through the computer, and the operation personnel who do not need to use perform any operation.

The wearable device 100 can be worn on the wrist of the user, so that the used medical staff can conveniently use it. Referring to FIG. 6 and FIG. 7, FIG. 6 is a schematic diagram of the appearance of the wearable device 100 of the present invention; FIG. 7 is another schematic view of the wearable device 100 of the present invention. The wearable device 100 can display the walking direction of the user through the display screen, and the arrow pointing in FIG. 6 and FIG. 7 is the walking direction of the user.

The wearable device 100 of the present invention can indicate whether the user reaches the target position by the switch state of the indicator light; referring to FIG. 6, the indicator light is in the closed state, indicating that the user has not reached the target position; see FIG. 7, the indicator light is on. The status indicates that the user has reached the target location. Of course, the wearable device 100 can also indicate whether the user reaches the target position by changing the color of the indicator light; for example, when the color of the indicator light is blue, the user does not reach the target position; when the color of the indicator light is red, It indicates that the user has reached the target location.

In addition, when the user does not follow the navigation route, the wearable device 100 may display a specific pattern through the display screen to prompt the user that the current location is not within the navigation route range. Referring to FIG. 8, FIG. 8 is another schematic diagram of the appearance of the wearable device 100 of the present invention. The wearable device 100 prompts the user that the current location is not within the navigation route range by displaying the pattern “×”. The surface of the display screen of the wearable device 100 needs to be parallel to the horizontal plane during use. For the convenience of the user, the arrow displayed in the display screen for indicating the user's orientation automatically adjusts the angle according to the tilt angle of the wearable device 100. Ensure the correctness of navigation.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

An indoor navigation method for a wearable device, wherein the indoor navigation method of the wearable device comprises:

Step 1: Find a target location in a preset indoor electronic map according to the received navigation instruction;

Step 2: Obtain a current location of the user, and determine an optimal route from the current location of the user to the target location according to the target location and the current location of the user;

Step 3: Navigating according to the optimal route, obtaining a location of the user in real time during the navigation process, and determining whether the location of the user is outside the optimal route range;

Step 4: If yes, generate and play a prompt message to prompt the user to return to the optimal route range.
The indoor navigation method of the wearable device according to claim 1, wherein the prompt information is text prompt information, vibration prompt information, pattern prompt information, or voice prompt information.
The indoor navigation method of the wearable device according to claim 1, wherein after receiving the navigation instruction, the method further comprises:

Real-time monitoring the user's pulse rate to determine whether the monitored pulse frequency is outside the preset pulse reference frequency range;

If yes, the current location of the user and the pulse frequency are sent to the preset target terminal to inform the target terminal side personnel: the current location of the user and the pulse frequency.
The indoor navigation method of the wearable device according to claim 1, wherein the generating and playing the prompt information further comprises:

Calculating a shortest distance between the currently located location of the user and the best route;

Determining a size of the shortest distance and a preset distance threshold;

When the shortest distance is greater than or equal to the distance threshold, return to step two.
The indoor navigation method of the wearable device according to claim 4, wherein the distance threshold ranges from 5 meters to 15 meters.
The indoor navigation method of the wearable device according to claim 4, further comprising: after receiving the navigation instruction, further comprising:

Real-time monitoring the user's pulse rate to determine whether the monitored pulse frequency is outside the preset pulse reference frequency range;

If yes, the current location of the user and the pulse frequency are sent to the preset target terminal to inform the target terminal side personnel: the current location of the user and the pulse frequency.
The indoor navigation method of the wearable device according to claim 6, wherein the prompt information is text prompt information, vibration prompt information, pattern prompt information, or voice prompt information.
The indoor navigation method of the wearable device according to claim 7, wherein the distance threshold ranges from 5 meters to 15 meters.
A wearable device, wherein the wearable device comprises:

a searching module, configured to search for a target location in a preset indoor electronic map according to the received navigation instruction;

a determining module, configured to acquire a current location of the user, and determine, according to the target location and the current location of the user, an optimal route from the current location of the user to the target location;

a navigation module, configured to navigate according to the optimal route;

a judging module, configured to acquire a location of the user in real time during the navigation process, and determine whether the location of the user is outside the optimal route range;

The prompting module is configured to generate and play the prompt information when the location of the user is outside the optimal route range, prompting the user to return to the optimal route range.
The wearable device according to claim 9, wherein the prompt information is text prompt information, vibration prompt information, pattern prompt information, or voice prompt information.
The wearable device according to claim 9, further comprising: a monitoring module and a sending module;

The monitoring module is configured to monitor a user's pulse rate in real time after receiving the navigation instruction;

The determining module is further configured to determine whether the monitored pulse frequency is outside a preset pulse reference frequency range;

The sending module is configured to send the current position of the user and the pulse frequency to the preset target terminal when the monitored pulse frequency is outside the preset pulse reference frequency range, to notify the target terminal side personnel: the current location of the user And pulse rate.
The wearable device according to claim 9, further comprising: a calculation module and a calling module;

The calculating module is configured to calculate, after the prompting module generates and plays the prompt information, a shortest distance between the currently located location of the user and the optimal route;

The determining module is further configured to determine a size of the shortest distance and a preset distance threshold;

The calling module is further configured to: when the shortest distance is greater than or equal to the distance threshold, invoke the determining module, the navigation module, the determining module, the prompting module, and the computing module to sequentially perform corresponding Operation.
The wearable device according to claim 12, wherein the distance threshold ranges from 5 meters to 15 meters.
The wearable device according to claim 12, further comprising: a monitoring module and a sending module;

The monitoring module is configured to monitor a user's pulse rate in real time after receiving the navigation instruction;

The determining module is further configured to determine whether the monitored pulse frequency is outside a preset pulse reference frequency range;

The sending module is configured to send the current position of the user and the pulse frequency to the preset target terminal when the monitored pulse frequency is outside the preset pulse reference frequency range, to notify the target terminal side personnel: the current location of the user And pulse rate.
The wearable device according to claim 14, wherein the prompt information is text prompt information, vibration prompt information, pattern prompt information, or voice prompt information.
The wearable device according to claim 15, wherein the distance threshold ranges from 5 meters to 15 meters.