CN112004284B

CN112004284B - Address positioning system and method for LED lamp string

Info

Publication number: CN112004284B
Application number: CN202010961168.4A
Authority: CN
Inventors: 寇英平
Original assignee: Xiaoneng Interconnection Technology Shenzhen Co ltd
Current assignee: Innotec Technology (Shenzhen) Co.,Ltd.
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2022-08-30
Anticipated expiration: 2040-09-14
Also published as: CN112004284A

Abstract

The invention discloses an address positioning system and method for an LED lamp string, wherein the system comprises an image acquisition unit, a control unit and a display unit, wherein the image acquisition unit is used for transmitting a target pattern to be lightened to the control unit; the storage unit is used for storing the address data and the control strategy of the LED lamp string; the control unit is used for calling a control strategy according to the received target pattern; the image acquisition unit is also used for acquiring a plurality of intermediate images with different states when each LED lamp is on/off; the control unit is also used for carrying out a statistical list on each lamp bead in the image according to the plurality of intermediate images with different states, and acquiring the address of each LED lamp and the address of the LED lamp corresponding to the lighting target pattern by looking up the table; the beneficial effects are as follows: and performing a statistical list on each lamp bead in the image according to the acquired intermediate image, and acquiring the address of each LED lamp in a table look-up mode, thereby overcoming the defect that the recognition efficiency is too low when a specific pattern is lightened in the prior art.

Description

Address positioning system and method for LED lamp string

Technical Field

The invention relates to the technical field of control of LED lamp strings, in particular to an address positioning system and method for the LED lamp strings.

Background

The LED lamp string is provided with a plurality of LED lamp beads, and the control process of the LED lamp string is that the controller independently controls any one LED through an address.

In some specific use scenes, for example, the addressing light string needs to be wound on a Christmas tree at will, or the light string needs to be arranged into a curtain at will. In this case, a designed pattern is displayed, the LED at a specific position is required to be lit in a desired color, and the address of the LED at the position is determined, so that the specific pattern is displayed.

Because the lamp strings are randomly arranged and the address of each LED in the pattern is unknown, in the prior art, a lighting instruction is sent to each address in a one-by-one lighting mode, and the pattern lighted each time is recorded, so that the addresses corresponding to all the LED lamp beads can be determined.

Supposing that a lamp string is provided with N LEDs, N addresses are corresponded, a one-by-one lighting method is adopted, N pattern pictures need to be shot, artificial intelligence image recognition is carried out, and the address of each lamp bead can be determined, and the number of LEDs in the lamp string is hundreds, so that the defect of low recognition efficiency exists.

Disclosure of Invention

The invention aims to: an address positioning system and method for LED lamp string are provided to overcome the defect of low recognition efficiency when lighting a specific pattern in the prior art.

In a first aspect: an address positioning system for LED lamp strings comprises a control unit, an image acquisition unit and a storage unit;

the image acquisition unit is used for sending a target pattern to be lightened to the control unit;

the storage unit is used for storing address data and control strategies of the LED lamp string;

the control unit is used for calling a control strategy according to the received target pattern and controlling the on/off of each LED lamp in the LED lamp string;

the image acquisition unit is also used for acquiring a plurality of intermediate images with different states when each LED lamp is on/off;

the control unit is further configured to perform a statistical list on each lamp bead in the image according to the plurality of intermediate images in different states, obtain addresses of the LED lamps by looking up a table, and identify the addresses of the LED lamps corresponding to the target pattern to be lit.

As an optional implementation manner of the present application, the control strategy specifically includes the following steps:

dividing address data of the LED lamp string into a first part and a second part according to a dichotomy;

the control unit sends a first instruction to control all the LED lamps of the first part to be turned on, and all the LED lamps of the second part to be turned off so as to generate a first intermediate image;

the control unit sends a second instruction to control the LED lamps which are turned on or off in the previous control instruction to respectively adopt a light-on and light-off dichotomy to generate a second intermediate image;

and repeating the steps until the LED lamp segments are not continuously turned on or off by adopting a light-off dichotomy.

As an alternative embodiment of the present application, the number of the intermediate images and the number of the LEDs in the LED string have the following relationship:

m ═ ln (n)/ln (2); wherein M is the number of the intermediate images and N is the number of LEDs.

As an optional implementation manner of the present application, when the LEDs in the LED string are multi-color LEDs, the control strategy is as follows:

dividing the address data of the LED lamp string into a plurality of parts according to an X-division method, and discarding the parts which are not divided; wherein, X is the color type that the multicolor LED lamp can display;

the control unit sends a first color instruction to control each part to display corresponding colors so as to obtain a first color intermediate image;

and repeating the steps until the LED lamp segments with the same color are not continuously lightened by adopting the color X division method.

In a second aspect: an address positioning method for an LED lamp string is applied to the address positioning system for the LED lamp string in the first aspect, and the method comprises the following steps:

sending a target pattern to be lightened to a control unit through an image acquisition unit;

the control unit calls a control strategy according to the received target pattern to control the on/off of each LED lamp in the LED lamp string;

then the image acquisition unit acquires a plurality of intermediate images with different states when each LED lamp is on/off;

and then, performing a statistical list on each lamp bead in the image according to the plurality of intermediate images in different states through the control unit, and acquiring the address of each LED lamp through table look-up and identifying the address of the LED lamp corresponding to the target pattern to be lightened.

As an optional embodiment of the present application, the number of intermediate images and the number of LEDs in the LED string have the following relationship:

By adopting the technical scheme, the method has the following advantages: the invention provides an address positioning system and method for an LED lamp string, which are characterized in that a plurality of intermediate images in different states are obtained by combining a target pattern to be lightened with a control strategy, a statistical list is carried out on each lamp bead in the image according to the obtained intermediate images, the address of each LED lamp is obtained by looking up the table and the address of the LED lamp corresponding to the target pattern to be lightened is identified, and therefore the defect that the identification efficiency is too low when a specific pattern is lightened in the prior art is overcome.

Drawings

Fig. 1 is a target pattern to be displayed after arranging LED light strings according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the prior art for obtaining the position of the LED at address 1 in the pattern;

FIG. 3 is a schematic diagram of the resulting address structure of each LED;

FIG. 4 is a schematic diagram of an address location system for an LED light string according to an embodiment of the present invention;

FIG. 5 shows a pattern 1 resulting from the use of a control strategy according to an embodiment of the present invention;

FIG. 6 shows a pattern 2 resulting from the use of a control strategy according to an embodiment of the present invention;

FIG. 7 is a graph 3 obtained using a control strategy according to an embodiment of the present invention;

FIG. 8 is a graph of a pattern 4 resulting from the use of a control strategy according to an embodiment of the present invention;

fig. 9 is a flowchart of an address location method for an LED light string according to an embodiment of the present invention.

Detailed Description

Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.

The present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, fig. 1 shows a pattern to be displayed after arranging LED strings, because the strings are randomly arranged and the sequence is disturbed, the address of each LED in the pattern is unknown; FIG. 2 is a diagram showing the positions of the LEDs in the pattern with address 1 obtained by a one-by-one lighting method, and finally the addresses of the LEDs in FIG. 3 are obtained; it can be seen that the prior art is inefficient and requires fifteen patterns to obtain the results of fig. 3.

Referring to fig. 4, an embodiment of the present invention provides an address location system for an LED light string, including a control unit, an image acquisition unit, and a storage unit;

the image acquisition unit is used for sending the target pattern to be lightened to the control unit.

When the system is implemented, the image acquisition unit can adopt intelligent equipment with a camera shooting or photographing function and can edit the acquired photos; for example, after the LED string lights are arranged, the images are photographed, and specific target patterns are marked to show which LED lights are needed to be lighted.

The storage unit is used for storing address data and control strategies of the LED lamp string.

Specifically, since the LED light string processed by the system may involve a plurality of LED light strings, the address data is the address number of the corresponding LED light string; for example, aLED light strings are numbered 1 through 15.

The control unit is used for calling a control strategy according to the received target pattern and controlling the on/off of each LED lamp in the LED lamp string, the control unit is connected with the LED lamp string and is respectively connected with the image acquisition unit and the storage unit, and the control unit can adopt a processor.

The image acquisition unit is further used for acquiring a plurality of intermediate images in different states when the LED lamps are on/off, and the intermediate images can be transmitted to the outside in a network mode.

Specifically, address data of the LED lamp string is divided into a first part and a second part according to a dichotomy;

The above process is illustrated in fig. 5 to 8, to show that the number of the LEDs is 15 for example,

the dichotomy of the 1 st round, the first half of the lamps are lighted, and the second half of the lamps are extinguished, in this example, the third round is bright; ninthly hole

Extinguishing; thereby obtaining a pattern 1 as the first intermediate image; as shown in particular in fig. 5;

the 2 nd round of dichotomy, to the continuous fragment that lights up or goes out, further adopt and light out dichotomy, namely (r), (g), (b), (c; ninthly details

The brightness of the light beam is high,

extinguishing; obtaining a pattern 2 as the second intermediate image; as shown in detail in fig. 6;

the dichotomy of the 3 rd round, namely, the lightening and extinguishing dichotomy is further adopted for the continuous fragments lightened or extinguished in the 2 nd round, namely, the lightening and extinguishing methods are adopted for the first round, the lightening is performed, and the extinguishing is performed for the third round; sixthly, bright and thirteen (sixthly) to extinguish; ninthly, the wave front is bright,

extinguishing;

the brightness of the light beam is high,

extinguishing; obtaining a pattern 3; as shown in particular in fig. 7;

the 4 th round dichotomy, namely, further lightening and extinguishing dichotomy of the lightened or extinguished continuous segments, namely, lightening and extinguishing; bright and dark; fifthly, bright, and sixthly, dark; bright and eighty-off; ninthly, bright and finished in the hole;

the brightness of the light beam is high,

extinguishing;

the brightness of the light beam is high,

extinguishing;

bright; obtaining a pattern 4; as shown in detail in fig. 8.

The control unit is further used for performing a statistical list on each lamp bead in the image according to the plurality of intermediate images in different states, obtaining the address of each LED lamp through table lookup and identifying the address of the LED lamp corresponding to the target pattern to be lightened.

Specifically, by listing the on/off of each bead position in the pattern, the address of each position can be known by looking up the table, and the result is shown in the following table.

By adopting the strategy, the efficiency of identifying the addresses of the lamp beads is greatly improved, and only ln (N)/ln (2) patterns are needed for identifying N addresses, for example, 15 addresses are identified in the example, and only 4 patterns are used; 127 addresses are identified, and only 7 patterns are needed; that is, the number of intermediate images and the number of LEDs in the LED string have the following relationship: m ═ ln (n)/ln (2); wherein M is the number of the intermediate images and N is the number of LEDs.

To the third one

④⑨

The address issues a lighting command, and a specific pattern as shown in fig. 1 can be displayed.

In another embodiment, when the LEDs in the LED string are multi-color LEDs, in order to further improve the identification efficiency, on the basis of the above scheme, the corresponding control strategy is adjusted, and the new control strategy is:

and so on until adopting color X to divide the law, there is not LED lamp fragment of the same color lighted continuously.

Taking fifteen red, green and blue LEDs as an example, explaining the new control strategy, x is three, namely, a trisection method is adopted.

The first red, green and blue trisection method is used, and the deficiency is discarded;

② (III) red display, and (III) red display,

displaying blue;

obtaining a pattern 1;

the second red, green and blue trisection method is used for cutting off the original red, green and blue trisection of each continuous color segment;

displaying red, green and blue;

seventhly, red, green and blue are displayed;

the display of the color red is performed,

the display of the green color is carried out,

displaying blue; obtaining a pattern 2;

the third red, green and blue trisection method is used for eliminating the original shortage that each continuous color segment is red, green and blue trisection;

firstly, displaying red, secondly, displaying green;

the third shows red, the fourth shows green;

displaying red;

sixthly, red color is displayed, and seventhly, green color is displayed;

displaying red and ninthly, displaying green;

red in (R);

the display of the color red is performed,

displaying green;

the display of the color red is performed,

display green

Displaying red to obtain pattern3；

The addresses of the lamp beads can be searched according to the color arrangement of one lamp bead in the

patterns

1, 2 and 3, as shown in the following table, the efficiency of identifying the addresses of the lamp beads is further improved according to a red-green-blue subdivision method, and only ln (N)/ln (3) patterns are needed for identifying N addresses, for example, 15 addresses are identified in the example, and only 3 patterns are used. Only 5 patterns are needed to identify 127 addresses.

Accordingly, M ═ ln (n)/ln (x); wherein M is the number of the intermediate images, N is the number of LEDs, and X is the displayable color category.

According to the scheme, a plurality of intermediate images in different states are obtained by combining the target pattern to be lightened with the control strategy, a statistical list is carried out on each lamp bead in the image according to the obtained intermediate images, the address of each LED lamp is obtained by looking up the table and the address of the LED lamp corresponding to the target pattern to be lightened is identified, and therefore the defect that identification efficiency is too low when a specific pattern is lightened in the prior art is overcome.

Based on the above inventive concept, referring to fig. 9, an embodiment of the present invention further provides an address location method for an LED light string, which is applied to the address location system for an LED light string described above, and the composition of the location system is not described again, where the method includes:

and S101, sending the target pattern to be lightened to a control unit through an image acquisition unit.

Specifically, the image acquisition unit can adopt intelligent equipment with a camera shooting or photographing function, and can edit the acquired photos; for example, after the LED string lights are arranged, the images are photographed, and specific target patterns are marked to show which LED lights are needed to be lighted.

S102, calling a control strategy by using the control unit according to the received target pattern, and controlling the on/off of each LED lamp in the LED lamp string.

S103, acquiring a plurality of intermediate images in different states when the LED lamps are turned on/off by the image acquisition unit.

Specifically, the control strategy specifically includes the following steps:

and so on until adopting and turning on or turning off the dichotomy, there is no LED lamp fragment that lights up or goes out continuously;

wherein the number of intermediate images and the number of LEDs in the LED light string have the following relationship:

And S104, performing a statistical list on each lamp bead in the image according to the plurality of intermediate images in different states through the control unit, and acquiring the address of each LED lamp through table look-up and identifying the address of the LED lamp corresponding to the target pattern to be lightened.

By the scheme, a plurality of intermediate images in different states are obtained by combining the target pattern to be lightened with the control strategy, a statistical list is carried out on each lamp bead in the image according to the obtained intermediate images, the address of each LED lamp is obtained by looking up the table and the address of the LED lamp corresponding to the target pattern to be lightened is identified, and therefore the defect that in the prior art, when a specific pattern is lightened, the identification efficiency is too low is overcome.

Further, on the basis of the above scheme, when the LEDs in the LED light string are multi-color LED lights, the control strategy is:

Therefore, the efficiency of recognizing the addresses of the lamp beads is further improved, and a user can conveniently use different control strategies according to different LED lamps, so that the application of the LED lamp is more flexible and convenient.

It should be noted that, for the specific implementation in the foregoing method embodiments, reference may be made to the description of the foregoing system embodiments, and details are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An address positioning system for an LED lamp string is characterized by comprising a control unit, an image acquisition unit and a storage unit;

the image acquisition unit is also used for acquiring a plurality of intermediate images with different states when each LED lamp is on/off and transmitting the intermediate images to the outside in a network mode;

the control unit is further used for performing a statistical list on each lamp bead in the image according to the plurality of intermediate images in different states, acquiring the address of each LED lamp through table lookup and identifying the address of the LED lamp corresponding to the target pattern to be lightened;

the control strategy specifically comprises the following steps:

dividing address data of the LED lamp string into a first part and a second part according to a lighting and extinguishing dichotomy;

and so on until adopting and putting on or putting off the dichotomy, there is not LED lamp fragment that lights on or put off continuously.

2. The address localization system for LED light string according to claim 1, wherein the number of intermediate images has the following relationship with the number of LEDs in the LED light string:

3. The address location system of claim 1, wherein when the LEDs in the LED string are multi-color LEDs, the control strategy is:

dividing the address data of the LED lamp string into a plurality of parts according to a color X division method, and discarding the parts which are not divided; wherein, X is the color type that the multicolor LED lamp can display;

4. An address positioning method for an LED lamp string, which is applied to the address positioning system for the LED lamp string in claim 1, and the method comprises the following steps:

then, the image acquisition unit acquires a plurality of intermediate images in different states when each LED lamp is on/off, and the intermediate images are transmitted to the outside in a network mode;

then, the control unit carries out a statistical list on each lamp bead in the image according to the plurality of intermediate images with different states, and obtains the address of each LED lamp through table lookup and identifies the address of the LED lamp corresponding to the target pattern to be lightened;

the control strategy specifically comprises the following steps:

5. The address localization method for LED light string according to claim 4, wherein the number of the intermediate images and the number of LEDs in the LED light string have the following relationship:

6. The address localization method for LED light string according to claim 5, wherein when the LEDs in the LED light string are multi-color LED lights, the control strategy is: