CN106439569B - True color dynamic display LED (light emitting diode) rocking bar and lighting control method thereof - Google Patents
True color dynamic display LED (light emitting diode) rocking bar and lighting control method thereof Download PDFInfo
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- CN106439569B CN106439569B CN201611080579.2A CN201611080579A CN106439569B CN 106439569 B CN106439569 B CN 106439569B CN 201611080579 A CN201611080579 A CN 201611080579A CN 106439569 B CN106439569 B CN 106439569B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
- F21S10/023—Lighting devices or systems producing a varying lighting effect changing colors by selectively switching fixed light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention relates to a real-color dynamic display LED (light-emitting diode) rocking bar which comprises a bar body, a bidirectional ball sensor, a control processing unit, a display driver, an LED lamp bead array and a power module, wherein the bidirectional ball sensor, the control processing unit, the display driver and the LED lamp bead array are arranged on the bar body and are electrically connected in sequence; the bidirectional ball sensor generates a corresponding interrupt signal according to the shaking of the rod body and transmits the interrupt signal to the control processing unit; the control processing unit processes the interrupt signal to obtain a corresponding control signal, and controls the display driver to drive the LED lamp bead array to perform time-sharing true color dynamic display according to the control signal; the power supply module is used for providing electric quantity required by the circuit. The shaking bar has the effect of normally displaying the real color dynamically by shaking randomly, is favorable for obtaining higher comfort of a user, and has the advantages of increasing the interest and the scene mode of the shaking bar.
Description
Technical Field
The invention relates to an image-text display device, in particular to a true-color dynamic display LED (light-emitting diode) rocking bar and a lighting control method thereof.
Background
When an object moves rapidly, after an image seen by human eyes disappears, the human eyes can still keep the image of the image for about 0.1 to 0.4 seconds, and the phenomenon is called persistence of vision and is a characteristic of the human eyes. When the human eyes watch the object, the image is formed on the jade retina, and the image is input into the human brain by the optic nerve, and the image of the object is sensed; but when the object is removed, the impression of the object by the optic nerve does not disappear immediately, but lasts for a period of about 0.1 to 0.4 seconds or so.
The existing shaking rod is an image-text display device which displays and outputs information such as characters or patterns by refreshing a plurality of LED lamp beads in a time-sharing manner based on the visual persistence effect of people. The display data for controlling the LED lamp beads to output images are stored in the existing shaking rod, a visual plane is generated in the shaking area of the LED lamp beads, and the diodes of the visual plane refresh different frequencies according to the display data, so that a complete image is formed in the visual plane.
However, the existing shaking bars can only display in a single color, and the shaking process of the shaking bars needs to reach a certain frequency and amplitude to normally display characters or pictures, and the effect that complete images can be displayed by shaking the shaking bars randomly cannot be achieved, so that the comfort brought to the user experience is not high, and the market prospect is low. In addition, the existing rocking bar cannot realize the effect of true color dynamic display, so that the display effect of the rocking bar can not meet the ornamental requirement of a user, and the rocking bar is interesting and has insufficient scene requirements.
Disclosure of Invention
Based on this, the invention aims to provide the true color dynamic display LED rocking bar, which has the advantage of normally performing true color dynamic display without reaching a certain frequency and amplitude, is very suitable for being used in daily life and at night on site, and improves the experience of users.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a real color dynamic display LED (light emitting diode) shaking rod comprises a rod body, a bidirectional ball sensor, a control processing unit, a display driver, an LED lamp bead array and a power supply module, wherein the bidirectional ball sensor, the control processing unit, the display driver and the LED lamp bead array are arranged on the rod body and are electrically connected in sequence; the bidirectional ball sensor generates a corresponding interrupt signal according to the shaking of the rod body and transmits the interrupt signal to the control processing unit; the control processing unit processes the interrupt signal to obtain a corresponding control signal, and controls the display driver to drive the LED lamp bead array to perform time-sharing true color dynamic display according to the control signal; the power supply module is used for providing electric quantity required by the circuit.
Therefore, the real-color dynamic display LED rocking bar provided by the invention has the advantages that the rocking of the bar body is detected by using the sensor, and the interrupt signal is processed by the control processing unit, so that the effect that the bar body can be randomly rocked and the real-color dynamic display can be normally carried out is realized, the higher comfort of a user is favorably obtained, and the interestingness and the scene mode of the rocking bar are increased.
As a further improvement of the invention, the bidirectional ball sensor comprises a cylindrical barrel, small balls with slightly smaller diameters arranged in the barrel and interrupt terminals respectively arranged at two ends of the barrel; and two interrupt terminals of the bidirectional ball sensor are respectively and electrically connected with two interrupt input pins of the control processing unit. The connection mode of the sensor and the control processing unit is limited, so that the sensor is beneficial to respectively transmitting the interrupt signals at the two ends to the controller.
As a further improvement of the invention, the control processing unit comprises a controller, a timer and a counter which are electrically connected with the controller; the controller sets a timing unit T0 and controls the timer to count twoThe interrupt time T between two interrupt signals respectively input by the interrupt terminal controls the counter to count in the interrupt time; count value of the counter
And inputting the counting value C to the controller, and processing the counting value C by the controller to obtain initial display delay time Dt for controlling the LED lamp bead array to be initially lightened in a display area generated by shaking the rod body and display time difference delta T for controlling the LED lamp bead array to be displayed in the display area for every two times, so that the LED lamp bead array is controlled to display a complete image in the display area. By measuring and counting the interruption time between every two interruption signals, the controller is favorable for calculating the initial display delay time and the display time difference of the rod body in the display area, and further favorable for dynamically adjusting the corresponding lamp bead lighting time in the process of random shaking of the rod body, and a dynamic feedback mechanism is formed. In addition, the controller is further favorable for dynamically processing the frequency and amplitude required by the rod body to be displayed in the display area, and the problem that the lamp beads can be lightened only according to the fixed frequency and amplitude is avoided.
As a further improvement of the present invention, the relationship between the initial display delay time Dt and the count value C is: dt ═ C × 5; and the relation between the display time difference delta T and the counting value C is as follows: dt ═ C × 1. By limiting the display time difference, the optimal initial display delay time Dt and the optimal display time difference delta T can be calculated by the controller, and the effect of completely displaying the image by the rod body can be further achieved.
As a further improvement of the invention, the timing unit T0 is 200 mus. By this definition, it is advantageous for the counter to count and achieve an optimal calculation result.
As a further improvement of the invention, the LED lamp bead array is composed of only one row of LED lamp beads, and each LED lamp bead is provided with R, G, B three-color channels; the R, G, B three-color channels of each LED lamp bead are respectively provided with 256 gray levels, and each display pixel point formed by each LED lamp bead has 256 colors. Through the limitation, the lighted LED lamp bead has three primary color channels, so that the effect of true color display is achieved. In addition, the LED lamp beads which are lightened can be displayed in different colors, so that the effect of full-color dynamic display of the shaking rod is achieved.
The invention also aims to provide a lighting control method of the LED rocking bar with real color dynamic display, which is realized by the following technical scheme:
a lighting control method for a true color dynamic display LED rocking bar comprises the following steps:
s1: setting a timing unit;
s2: detecting whether the power supply of the rocking bar is started, if not, executing no operation, and if so, executing the step S3;
s3: judging whether two interrupt signals are input or not, otherwise, jumping back to the step S2; if yes, calculating the interrupt time between two interrupt signals, calculating a count value according to the interrupt time and the timing unit, and then executing step S4;
s4: obtaining initial display delay time and display time difference of the rocking rod in a display area generated by the rocking of the rocking rod according to the counting numerical value;
s5: and displaying a complete image on the LED rocking bar in the display area according to the initial display delay time and the display time difference obtained by calculation.
As a further improvement of the present invention, in the step S3, the relationship among the interruption time T, the time unit T0 and the count value C satisfies the formula:
as a further improvement of the present invention, in step S4, the relationship between the initial display delay time Dt and the count value C is: dt ═ C × 5; and the relation between the display time difference delta T and the counting value C is as follows: dt ═ C × 1. The timing unit T0 is 200. mu.s.
Therefore, compared with the prior art, the lighting control method for the true color dynamic display LED rocking bar is simple in steps and low in cost, and the true color dynamic display LED rocking bar can be used for normally lighting the content displayed by the lamp beads by randomly rocking.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a schematic structural diagram of the control processing unit shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the present embodiment;
FIG. 4 is an enlarged view of the LED bead array and display driver shown in FIG. 3;
FIG. 5 is a diagram illustrating an effect of one of the embodiments;
FIG. 6 is a flow chart of a lighting control method for a true color dynamic display LED rocking bar according to the present invention.
Detailed Description
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic block diagram of the present invention; FIG. 2 is a schematic structural diagram of the control processing unit shown in FIG. 1; fig. 3 is a schematic structural diagram of the present embodiment.
The LED rocking bar with the real color dynamic display function comprises a bar body 100, a bidirectional ball sensor 110, a control processing unit 120, a display driver 130, an LED lamp bead array 140 and a power supply module 150, wherein the bidirectional ball sensor 110, the control processing unit 120, the display driver 130 and the LED lamp bead array 140 are arranged on the bar body 100 and are electrically connected in sequence, and the power supply module 150 is electrically connected with the control processing unit 120. The bidirectional ball sensor 110 generates a corresponding interrupt signal according to the shaking of the rod 100 and transmits the interrupt signal to the control processing unit 120; the control processing unit 120 processes the interrupt signal to obtain a corresponding control signal, and controls the display driver 130 to drive the LED lamp bead array 140 to perform time-sharing true color dynamic display according to the control signal. The power module 150 is used to provide the power required by the circuit.
In order to make the above components electrically connected better, the rod 100 is preferably a PCB. In addition, in order to protect the rod 100 and all components mounted on the rod 100, it is also preferable that the rod 100 is enclosed in a transparent closed circular tube.
In addition, the power module 150 is installed at the bottom of the stick 100 for supplying power required for the circuit operation. In addition, the power module 150 may also serve as a handle for the wand 100, facilitating the user to grasp and swing the wand 100.
Specifically, the bidirectional ball sensor 110 includes a cylindrical body of a circular tube type, a small ball with a slightly smaller diameter disposed in the cylindrical body, and an interrupt terminal and a ground terminal respectively disposed at both ends of the cylindrical body; the two interrupt terminals of the bidirectional ball sensor 110 are electrically connected to the two interrupt input pins of the control processing unit 120, respectively. The ball rolls to one end to simultaneously contact the ground terminal and the interrupt terminal, thereby connecting the interrupt terminal of that end in series with the ground terminal.
Specifically, the control processing unit 120 includes a controller 121, a timer 122 and a counter 123 electrically connected to the controller 121; the controller 121 sets a timing unit T0, controls the timer 122 to calculate an interrupt time T between two interrupt signals respectively input by two interrupt terminals, and controls the counter 123 to count in the interrupt time; count value of the counter 123
And the counting value C is input to the controller 121, and the controller 122 processes the counting value C to obtain an initial display delay time Dt for controlling the LED lamp bead array 140 in a display area generated by shaking the rod 100 and a display time difference Δ T for controlling the LED lamp bead array 140 in the display area between two displays, so as to control the LED lamp bead array 140 to display a complete image in the display area.
The relationship between the initial display delay time Dt and the counting value C is as follows: dt ═ C × 5; and the relation between the display time difference Δ T and the count value C is: dt ═ C × 1. In addition, in order to better optimize the initial display delay time Dt and the display time difference Δ T for optimal lamp bead lighting, the count unit T0 is preferably 200 μ s.
In addition, in order to facilitate that the display driver 130 can drive the lamp beads to display in a relatively constant working environment, preferably, the display driver 130 is a PWM serial constant current source driver.
Referring to fig. 4, fig. 4 is an enlarged view of the LED lamp bead array and the display driver shown in fig. 3.
As shown in fig. 4, the LED lamp bead array 140 is disposed on the display driver 130 and electrically connected to the display driver 130. In order to conveniently control the lighting effect of the lamp beads, preferably, the LED lamp bead array 140 is formed by only one row of LED lamp beads, and each LED lamp bead is provided with R, G, B three-color channels. In order to enable the lighted LED lamp beads to display different colors and achieve the effect of full-color dynamic display of the rocking bar, the R, G, B three-color channels of each LED lamp bead are respectively provided with 256 gray levels, and each display pixel formed by each LED lamp bead is capable of displaying 256 colors by 256 colors.
Referring to fig. 5, fig. 5 is a diagram illustrating one of the effects of the present embodiment.
The operation principle of the present invention will be described below by taking an image shown in fig. 5 as an example.
Firstly, the bar body 100 is freely shaken from left to right, so that the bar body 100 is shaken in the air to form a fan-shaped display area with an angle of α, in the fan-shaped display area, the amplitude and the frequency of each time the bar body 100 is shaken from left to right are different, in order to dynamically adjust the lighting time of the lamp beads of the shaking bar body 100, the bidirectional ball sensor 110 respectively transmits interrupt signals of two interrupt terminals to the control processing unit 120, then the control processing unit 120 calculates the interrupt time between each two interrupt signals by combining the timer 122 and the counter 123 under the control processing of the controller 121 to obtain the initial display delay time Dt required by the bar body 100 and the display time difference delta T between each two times of display used for controlling the LED lamp bead array 140 in the fan-shaped display area, so that the control display driver 130 drives the LED lamp bead array 140 to display a complete image, and a dynamic feedback mechanism is formed.
In addition, as a more preferable technical solution, the rocking bar of the present invention further includes a selection switch 160, a power switch 170 and a bluetooth module 180, which are electrically connected to the control processing unit 120, respectively.
The selection switch 160 is installed on the side of the bar 100, and a signal for switching display contents is input to the controller by user operation, and the controller changes the display contents of the LED lamp bead array in the display area.
The power switch 170 is used for controlling the on-off of the whole circuit.
The bluetooth module 180 is wirelessly connected to an external device, and can receive data transmitted from the external device and transmit the data to the controller to add or modify display contents, thereby realizing diversified display.
In order to display the normal operation state of the circuit, it is preferable to further include a power indicator lamp 190 mounted on the top of the stick 100, which is advantageous to remind the user of the operation state of the stick 100. When the power module 150 is started, the power indicator 190 lights up a prompt; the power indicator light 190 does not illuminate when the power module 150 is turned off.
Compared with the prior art, the real-color dynamic display LED rocking bar has the beneficial effects that: each display pixel point of the bar body displayed by the LED lamp beads can realize the color display of 256 gray levels of the red, green and blue channels, and 256 colors can be displayed. In addition, the control processing unit processes and calculates the interrupt signals transmitted by the bidirectional ball sensor, so that the effect that characters and pictures are clearly displayed on the stick body under the condition that a human hand shakes at will can be realized, the technical problem that complete images can be displayed by shaking the shaking stick at will is solved, the normal use of a user is greatly facilitated, and the control processing unit has strong practicability and popularization value.
Please refer to fig. 6, which is a flowchart illustrating a lighting control method for a true color dynamic display LED rocking bar according to the present invention. In addition, the invention also provides a lighting control method of the real-color dynamic display LED rocking bar, which comprises the following steps:
s1: setting a timing unit;
s2: detecting whether the power supply of the rocking bar is started, if not, executing no operation, and if so, executing the step S3;
s3: judging whether two interrupt signals are input or not, otherwise, jumping back to the step S2; if yes, calculating the interrupt time between two interrupt signals, calculating a count value according to the interrupt time and the timing unit, and then executing step S4;
s4: obtaining initial display delay time and display time difference of the rocking rod in a display area generated by the rocking of the rocking rod according to the counting numerical value;
s5: and displaying a complete image on the LED rocking bar in the display area according to the initial display delay time and the display time difference obtained by calculation.
Wherein the relationship between the interruption time T, the timing unit T0 and the count value C satisfies the formula:
the relationship between the initial display delay time Dt and the counting value C is as follows: dt ═ C × 5; and the relation between the display time difference delta T and the counting value C is as follows: dt ═ C × 1. The optimum timing unit is set when the timing unit T0 is 200 μ s.
Compared with the prior art, the lighting control method for the true color dynamic display LED rocking bar is simple in steps and low in cost, and can enable the true color dynamic display LED rocking bar to be randomly shaken to normally light the lamp beads so as to achieve the effect of dynamic display.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides a true color dynamic display LED shakes stick which characterized in that: the LED lamp comprises a rod body, a bidirectional ball sensor, a control processing unit, a display driver, an LED lamp bead array and a power supply module, wherein the bidirectional ball sensor, the control processing unit, the display driver and the LED lamp bead array are arranged on the rod body and are electrically connected in sequence; the bidirectional ball sensor is produced according to the shaking of the rod bodyGenerating corresponding interrupt signals and transmitting the interrupt signals to the control processing unit; the control processing unit processes the interrupt signal to obtain a corresponding control signal, and controls the display driver to drive the LED lamp bead array to perform time-sharing true color dynamic display according to the control signal; the power supply module is used for providing electric quantity required by the circuit; the bidirectional ball sensor comprises a circular tube type cylinder, a small ball which is arranged in the cylinder and the diameter of which is slightly smaller than the inner diameter of the cylinder, and interrupt terminals which are respectively arranged at two ends of the cylinder; two interrupt terminals of the bidirectional ball sensor are respectively and electrically connected with two interrupt input pins of the control processing unit; the control processing unit comprises a controller, a timer and a counter, wherein the timer and the counter are electrically connected with the controller; the controller sets a timing unit T0, controls the timer to calculate the interrupt time T between two interrupt signals respectively input by two interrupt terminals, and controls the counter to count in the interrupt time; count value of the counter
And inputting the counting value C to the controller, and processing the counting value C by the controller to obtain initial display delay time Dt for controlling the LED lamp bead array to be initially lightened in a display area generated by shaking the rod body and display time difference delta T for controlling the LED lamp bead array to be displayed in the display area for every two times, so that the LED lamp bead array is controlled to display a complete image in the display area.
2. The true color dynamic display LED wobblestick of claim 1, wherein: the relationship between the initial display delay time Dt and the counting value C is as follows: dt ═ C × 5; and the relation between the display time difference delta T and the counting value C is as follows: dt ═ C × 1.
3. The true color dynamic display LED wobblestick of claim 1, wherein: the timing unit T0 is 200. mu.s.
4. The true color dynamic display LED wobblestick of any one of claims 1 to 3, wherein: the LED lamp bead array is composed of only one row of LED lamp beads, and each LED lamp bead is provided with R, G, B three-color channels; the R, G, B three-color channels of each LED lamp bead are respectively provided with 256 gray levels, and each display pixel point formed by each LED lamp bead has 256 colors.
5. A lighting control method for a true color dynamic display LED rocking bar is characterized by comprising the following steps:
s1: setting a timing unit;
s2: detecting whether the power supply of the rocking bar is started, if not, executing no operation, and if so, executing the step S3;
s3: judging whether two interrupt signals are input or not, otherwise, jumping back to the step S2; if yes, calculating the interrupt time between two interrupt signals, calculating a count value according to the interrupt time and the timing unit, and then executing step S4;
s4: obtaining initial display delay time and display time difference of the rocking rod in a display area generated by the rocking of the rocking rod according to the counting numerical value;
s5: and displaying a complete image on the LED rocking bar in the display area according to the initial display delay time and the display time difference obtained by calculation.
6. The lighting control method of the true color dynamic display LED rocking bar according to claim 5, characterized in that: in the step S3, the relationship among the interruption time T, the time unit T0 and the count value C satisfies the formula:
7. the lighting control method of the true color dynamic display LED rocking bar according to claim 5, characterized in that: in step S4, the relationship between the initial display delay time Dt and the count value C is: dt ═ C × 5; and the relation between the display time difference delta T and the counting value C is as follows: dt ═ C × 1.
8. The lighting control method of the true color dynamic display LED rocking bar according to claim 6 or 7, characterized in that: the timing unit T0 is 200. mu.s.
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| CN107481651B (en) * | 2017-07-31 | 2020-04-28 | 京东方科技集团股份有限公司 | Control method and device for realizing rectangular display and display equipment |
| CN109300431B (en) * | 2018-10-22 | 2020-06-19 | 五邑大学 | Full-color dynamic LED display screen based on wireless transmission |
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