CN105323716A - Lighting and control device, terminal and positioning method thereof - Google Patents

Abstract

The invention discloses a lighting and control device, a terminal and a navigation and positioning method thereof, comprising: the terminal receives wireless signals respectively sent by a plurality of lighting and control devices, wherein the coordinates of the plurality of lighting and control devices are marked on an electronic map pre-stored in the terminal Above; the terminal judges the signal strength of multiple wireless signals, and selects the corresponding coordinates of the lighting and control equipment with the strongest signal strength among the multiple wireless signals as the current coordinates; the terminal marks the current coordinates on the electronic map to complete the positioning. Through the above method, the present invention can integrate lighting, information transmission and positioning systems, reduce the complexity of wiring, increase the coverage area of positioning, and reduce construction costs and use costs.

Description

A lighting and control device, terminal and positioning method thereof

technical field

The present invention relates to the lighting field, in particular to a lighting and control device, a terminal and a positioning method thereof.

Background technique

The existing communication and positioning system and the lighting system are completely irrelevant and independent systems, each performing its own duties. Traditional positioning is to use multiple satellites to transmit positioning information to ground or space targets, and calculate the position of the target after processing by a specific receiver. The core of traditional positioning is to use the position of the wireless network base station where the mobile phone is located to perform positioning, and the mobile terminal calculates and displays the position information. Therefore, a special wireless base station system is required, and the long positioning time and the small number of base stations make the positioning accuracy very poor. This method cannot achieve accurate positioning indoors, in tunnels, or in densely populated areas of tall buildings.

Traditional positioning can also be based on the light intensity information of the light source to achieve positioning. Each light source is marked with specific location information on the map. By comparing the light field information received by the sensor on the light source before and after, the difference is judged, and finally location information. This positioning method requires a complicated optical information processing device, and the positioning is complicated.

Contents of the invention

The technical problem solved by the present invention is to provide a lighting and control device, a terminal and its positioning method, which can integrate lighting, information transmission, and positioning systems, reduce the complexity of wiring, increase the coverage area of positioning, and reduce construction cost and operating cost.

In order to solve the above technical problems, the present invention provides a terminal positioning method, including: the terminal receives wireless signals sent by multiple lighting and control devices respectively, wherein the coordinates of the multiple lighting and control devices are marked on the electronic map pre-stored in the terminal The terminal judges the signal strength of multiple wireless signals, and selects the corresponding coordinates of the lighting and control equipment with the strongest signal strength among the multiple wireless signals as the current coordinates; the terminal marks the current coordinates on the electronic map to complete the positioning.

Wherein, the method further includes: optimizing the positioning algorithm through the terminal to further improve the positioning accuracy.

Wherein, the method further includes: synchronously updating the received information broadcasted around the lighting and control equipment into the electronic map.

Among them, the terminal judges the signal strength of multiple wireless signals, and the step of selecting the corresponding coordinates of the lighting and control equipment with the strongest signal strength among the multiple wireless signals as the current coordinates includes: setting the signal received by the terminal appropriately through programming The threshold value; according to the threshold value, the signal strength of multiple wireless signals is judged, and the corresponding coordinates of the lighting and control equipment with the strongest signal strength among the multiple wireless signals are selected as the current coordinates.

In order to solve the above technical problems, the present invention also provides a lighting and control device, including: a light source, used for lighting; a driving power supply, connected to the light source, used to drive the light source for lighting; a control module, connected to the light source, for The control information is received to control the light emission of the light source; the communication module is connected with the control module and used to send out wireless signals so that terminals within the wireless signal coverage area can be located according to the signal strength of the wireless signals.

Wherein, the control module is also used to receive a control signal to control the light emission of the light source when the communication module is not working.

In order to solve the above technical problems, the present invention also provides a terminal, including: a receiving module, used to receive wireless signals sent by multiple lighting and control devices, wherein the coordinates of the multiple lighting and control devices are marked in the electronic data stored in the terminal On the map; the selection module is connected with the receiving module, which is used to judge the signal strength of multiple wireless signals, and selects the corresponding coordinates of the lighting and control equipment with the strongest signal strength among the multiple wireless signals as the current coordinates; the positioning module, It is connected with the selection module and is used to mark the current coordinates on the electronic map to complete the positioning.

Wherein, the positioning module also optimizes the positioning algorithm through the terminal to further improve the positioning accuracy.

Among them, the positioning module also synchronously updates the received information broadcasted around the lighting and control equipment into the electronic map.

Among them, the selection module is used to: set an appropriate threshold value for the signal received by the terminal through programming; judge the signal strength of multiple wireless signals according to the threshold value, and select the corresponding lighting and control device with the strongest signal strength among the multiple wireless signals. The coordinates of are used as the current coordinates.

Through the above scheme, the beneficial effect of the present invention is: receiving wireless signals sent by multiple lighting and control devices through the terminal, wherein the coordinates of the multiple lighting and control devices are marked on the electronic map pre-stored in the terminal; Judging the signal strength of the wireless signal, select the corresponding coordinates of the lighting and control equipment with the strongest signal strength among multiple wireless signals as the current coordinates; the terminal marks the current coordinates on the electronic map to complete the positioning, which can make lighting and information transmission, positioning The integration of three systems reduces the complexity of wiring, increases the coverage area of positioning, and reduces construction and use costs.

Description of drawings

Fig. 1 is a schematic structural diagram of lighting and control equipment according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a method for positioning a terminal according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart of a positioning method for a terminal according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention.

detailed description

Please refer to FIG. 1 . FIG. 1 is a schematic structural diagram of an illumination and control device according to an embodiment of the present invention. As shown in FIG. 1 , the lighting and control device 10 includes: a light source 101 , a driving power supply 102 , a control module 103 and a communication module 104 . The light source 101 is used for lighting. The driving power source 102 is connected to the light source 101 and is used to drive the light source 101 to emit light. The control module 103 is connected with the light source 101 for receiving control information and controlling the light emission of the light source. The communication module 104 is connected with the control module 103, and is used to send out wireless signals, so that terminals within the wireless signal coverage area can be positioned according to the signal strength of the wireless signals, so that the three systems of lighting, information transmission, and positioning are integrated, and the cost of wiring is reduced. Complexity increases the coverage area of positioning and reduces construction and use costs. In the embodiment of the present invention, the light source 101 may be, but not limited to, an LED lamp.

FIG. 2 is a schematic diagram of a method for positioning a terminal according to an embodiment of the present invention. As shown in FIG. 2 , multiple lighting and control devices 10 are connected to form a wireless local area network, and the general control module 201 can control the light emission of the light source 101 in each lighting and control device through the wireless local area network. Specifically, the on/off, color temperature, color, etc. of the light source 101 are controlled. The control module 103 is also used for receiving a control signal to control the light emitting of the light source 101 when the communication module 104 is not working. Specifically, when the communication module 104 fails due to failure or other reasons, the control module 103 receives the control signal sent by the general control module 201 to control the light emission of the light source. The terminal 30 receives wireless signals respectively sent by multiple lighting and control devices 10, wherein the coordinates of the multiple lighting and control devices 10 are marked on the electronic map pre-stored in the terminal. The terminal 30 judges the signal strength of multiple wireless signals, selects the corresponding coordinates of the lighting and control device 10 with the strongest signal strength among the multiple wireless signals as the current coordinates, and marks the current coordinates on the electronic map to complete the positioning. In this way, the three systems of lighting, information transmission and positioning are integrated, which reduces the complexity of wiring, increases the coverage area of positioning, and reduces construction and use costs.

Please refer to FIG. 3 . FIG. 3 is a schematic flowchart of a terminal positioning method according to an embodiment of the present invention. As shown in Figure 3, the positioning method of the terminal includes:

S10: The terminal receives wireless signals respectively sent by multiple lighting and control devices, wherein the coordinates of the multiple lighting and control devices are marked on the electronic map pre-stored in the terminal.

In the embodiment of the present invention, multiple lighting and control devices are connected into a wireless local area network, and a unique address code value, that is, coordinates, such as latitude and longitude, is assigned to each lighting and control device through the network. In other embodiments of the present invention, other methods may also be used to assign unique values.

S11: The terminal judges the signal strengths of multiple wireless signals, and selects the corresponding coordinates of the lighting and control device with the strongest signal strength among the multiple wireless signals as the current coordinates.

Before S11, through programming, the signal received by the terminal is set to an appropriate threshold. After receiving multiple wireless signals, judge the signal strengths of the multiple wireless signals according to the threshold, and select the corresponding coordinates of the lighting and control equipment with the strongest signal strength among the multiple wireless signals as the current coordinates. In the embodiment of the present invention, when the terminal passes through multiple lighting and control devices, the terminal will automatically select the coordinates of the lighting and control device of an access point with the strongest signal strength as the coordinates of the current terminal by identifying the signal strength.

S12: The terminal marks the current coordinates on the electronic map to complete the positioning.

In S12, according to the distribution characteristics of wireless signal strength, the strongest signal access point is the coordinates of the lighting and control equipment closest to the terminal, and then the map software on the terminal will automatically mark the coordinates of the terminal on the corresponding on the electronic map. In S12, the received information broadcasted around the lighting and control equipment is synchronously updated to the electronic map. In the embodiment of the present invention, the terminal can be a mobile phone, so no special receiving equipment is needed, and it is easy to use. The operation interface of the positioning software can be designed based on Android programming, which is highly modifiable. The positioning display interface is an electronic map, and the degree of visualization High, and convenient for human-computer interaction. Of course, the terminal may also be other mobile communication devices. Positioning and information transmission can be achieved by this method, which can cover areas that cannot be reached by satellite signals. It is especially suitable for positioning and information transmission in closed spaces such as large indoors, tunnels, and large ships, and the positioning response speed is fast and the information transmission rate is high. .

In the embodiment of the present invention, the positioning algorithm is optimized through the terminal to further improve the positioning accuracy. Wherein, the positioning algorithm may be a least square method, a Gaussian algorithm, and the like. This positioning method has high positioning accuracy, the maximum accuracy can reach the order of meters, and it has the ability of information transmission.

Please refer to FIG. 4 . FIG. 4 is a schematic structural diagram of a terminal of an embodiment of the present invention. As shown in FIG. 4 , the terminal 30 includes: a receiving module 301 , a selecting module 302 and a positioning module 303 . The receiving module 301 is used to receive wireless signals respectively sent by multiple lighting and control devices, wherein the coordinates of the multiple lighting and control devices are marked on the electronic map pre-stored in the terminal. The selection module 302 is connected with the receiving module 301, and is used for judging the signal strength of multiple wireless signals, and selecting the corresponding coordinate of the lighting and control device with the strongest signal strength among the multiple wireless signals as the current coordinate. The positioning module 303 is connected with the selection module 302, and is used to mark the current coordinates on the electronic map to complete the positioning.

In the embodiment of the present invention, the selection module 302 is used to set an appropriate threshold for the signal received by the terminal through programming; judge the signal strength of multiple wireless signals according to the threshold, and select the lighting with the strongest signal strength among the multiple wireless signals and the corresponding coordinates of the control device as the current coordinates. The positioning module 303 also optimizes the positioning algorithm through the terminal to further improve the positioning accuracy. The positioning module 303 also synchronously updates the received information broadcasted around the lighting and control equipment into the electronic map. In the embodiment of the present invention, the terminal can be a mobile phone, does not need a special receiving device, and is easy to use. The operation interface of the positioning software is designed based on Android programming, which is highly modifiable. The positioning display interface is an electronic map, and the degree of visualization is high. , and facilitate human-computer interaction. In this way, the three systems of lighting, information transmission and positioning are integrated. This method realizes positioning and information transmission, and can cover areas that satellite signals cannot reach. It is especially suitable for positioning and positioning in closed spaces such as large indoors, tunnels, and large ships. Information transmission, and the positioning response speed is fast, and the information transmission rate is high.

To sum up, the present invention receives wireless signals respectively sent by multiple lighting and control devices through the terminal, wherein the coordinates of the multiple lighting and control devices are marked on the electronic map stored in the terminal; the terminal checks the signal strength of the multiple wireless signals Judgment, select the corresponding coordinates of the lighting and control equipment with the strongest signal strength among multiple wireless signals as the current coordinates; the terminal marks the current coordinates on the electronic map to complete the positioning, which can make the three systems of lighting and control and information transmission, positioning Integration reduces the complexity of wiring, increases the coverage area of positioning, and reduces construction and use costs.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (10)

1. a localization method for terminal, is characterized in that, described method comprises:

Described terminal receives the wireless signal that multiple illumination and control appliance send respectively, on the electronic chart that the Labeling Coordinate of wherein said multiple illumination and control appliance prestores in described terminal;

The signal strength signal intensity of described terminal to multiple described wireless signal judges, selects the coordinate of the correspondence of illumination that described in multiple described wireless signal, signal strength signal intensity is the strongest and control appliance as changing coordinates;

Described changing coordinates is indicated on electronic chart to complete location by described terminal.

2. method according to claim 1, is characterized in that, described method also comprises: positioned the optimization of algorithm by described terminal to improve positioning precision further.

3. method according to claim 1, it is characterized in that, the signal strength signal intensity of described terminal to multiple described wireless signal judges, selects the coordinate of the correspondence of illumination that described in multiple described wireless signal, signal strength signal intensity is the strongest and control appliance to comprise as the step of changing coordinates:

By programming, the threshold value that the signal setting described terminal received is suitable;

Judge according to the signal strength signal intensity of described threshold value to multiple described wireless signal, select the coordinate of the correspondence of illumination that described in multiple described wireless signal, signal strength signal intensity is the strongest and control appliance as changing coordinates.

4. method according to claim 1, is characterized in that, described method also comprises: send a control signal to described illuminator to control the luminescence of described illuminator.

5. illumination and a control appliance, it is characterized in that, described illumination and control appliance comprise:

Light source, for luminous lighting;

Driving power, is connected with described light source, throws light on for driving described light source luminescent;

Control module, is connected with described light source, for receiving control information, controls the luminescence of described light source;

Communication module, is connected with described control module, for sending wireless signal, positions according to the signal strength signal intensity of described wireless signal to make the terminal in described wireless signal coverage.

6. illumination according to claim 5 and control appliance, is characterized in that, described control module is not also for when described communication module works, and reception control signal is to control the luminescence of described light source.

7. a terminal, is characterized in that, described terminal comprises:

Receiver module, for receiving the wireless signal that multiple illumination and control appliance send respectively, on the electronic chart that the Labeling Coordinate of wherein said multiple illumination and control appliance prestores in described terminal;

Selecting module, be connected with described receiver module, for judging the signal strength signal intensity of multiple described wireless signal, selecting the coordinate of the correspondence of illumination that described in multiple described wireless signal, signal strength signal intensity is the strongest and control appliance as changing coordinates;

Locating module, with described selection model calling, for being indicated in described changing coordinates on electronic chart to complete location.

8. terminal according to claim 7, is characterized in that, described locating module also positions the optimization of algorithm to improve positioning precision further by described terminal.

9. terminal according to claim 7, is characterized in that, the synchronizing information of the described illumination received and the broadcast of control appliance periphery is also updated in described electronic chart by described locating module.

10. terminal according to claim 7, is characterized in that, described selection module is used for:

By programming, the threshold value that the signal setting described terminal received is suitable;

Judge according to the signal strength signal intensity of described threshold value to multiple described wireless signal, select the coordinate of the correspondence of illumination that described in multiple described wireless signal, signal strength signal intensity is the strongest and control appliance as changing coordinates.