CN212211474U - Desk lamp control circuit, desk lamp and desk lamp light source anti-counterfeiting detection system - Google Patents
Desk lamp control circuit, desk lamp and desk lamp light source anti-counterfeiting detection system Download PDFInfo
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- CN212211474U CN212211474U CN202022737777.XU CN202022737777U CN212211474U CN 212211474 U CN212211474 U CN 212211474U CN 202022737777 U CN202022737777 U CN 202022737777U CN 212211474 U CN212211474 U CN 212211474U
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Abstract
The utility model relates to a desk lamp field provides a desk lamp control circuit, desk lamp and desk lamp light source anti-fake detection system. The desk lamp control circuit comprises a key module for selecting to enable a desk lamp light source to be in an illumination mode or an optical communication mode, a control module for outputting a first driving signal when the desk lamp light source is selected to be in the illumination mode, a driving module for driving the desk lamp light source to illuminate according to the first driving signal, and a current and voltage monitoring module; the control module is also used for outputting a starting signal when the optical communication mode is selected; the current and voltage monitoring module is used for monitoring the current and the voltage input to the driving module according to the starting signal and outputting a second driving signal; the driving module is further used for driving the desk lamp light source to emit a light signal according to the second driving signal. The desk lamp control circuit attaches the light source information to the optical signal and emits the light source information through setting an optical communication mode, so that a consumer can obtain a factory detection result of the light source in time and know the real quality of the light source.
Description
Technical Field
The utility model relates to a desk lamp technical field, more specifically say, relate to a desk lamp control circuit, desk lamp and desk lamp light source anti-fake detection system.
Background
The eye-protecting desk lamp usually adopts an LED light source without visible stroboflash and blue light damage, and the color rendering index of the LED light source reaches more than 94, so that the high-quality light source can better protect the eyes of a user. However, the quality of LED eye-protection table lamps on the market is not uniform, and many counterfeit eye-protection table lamps using low-quality LED light sources are difficult to distinguish by common consumers due to the fact that the appearance and the labels are very similar to those of genuine products. Meanwhile, although the product package is usually printed with a two-dimensional code or a bar code for a consumer to obtain product information, the product information generally does not show a specific factory detection result of the light source, that is, a common consumer still cannot accurately know the real quality of the LED light source.
SUMMERY OF THE UTILITY MODEL
The utility model provides a desk lamp control circuit, desk lamp and desk lamp light source anti-fake detection system, wherein set up the optical communication mode in desk lamp control circuit's button module, can realize the light signal that desk lamp light source transmission contains light source information under this mode to solve the problem that ordinary consumer can't the accurate true quality of light source of knowing.
In order to solve the above technical problem, the present invention provides a desk lamp control circuit, including a key module for selectively enabling a desk lamp light source to be in an illumination mode, a control module for outputting a first driving signal when the key module selectively enables the desk lamp light source to be in the illumination mode, and a driving module for driving the desk lamp light source to illuminate according to the first driving signal, wherein the desk lamp control circuit further includes a current and voltage monitoring module;
the key module is also used for selecting to enable the desk lamp light source to be in an optical communication mode;
the control module is also used for outputting a starting signal when the key module selects to enable the desk lamp light source to be in an optical communication mode;
the current and voltage monitoring module is used for monitoring the current and the voltage input to the driving module according to the starting signal and outputting a second driving signal;
the driving module is further used for driving the desk lamp light source to emit light signals according to the second driving signal.
Preferably, the light emitting frequency of the desk lamp light source when emitting light signals is 4-20 KHz.
Preferably, the control module comprises an MCU control chip, and the MCU control chip comprises a first pin, a second pin, a third pin and a fourth pin; the first pin and the second pin are both connected with the current and voltage monitoring module; and the third pin and the fourth pin are both connected with the driving module.
Preferably, the current and voltage monitoring module comprises a current monitoring circuit and a voltage monitoring circuit; the current monitoring circuit comprises a first signal input end and a driving signal output end, the first signal input end is connected with the first pin, and the driving signal output end is connected with the driving module; the voltage monitoring circuit comprises a second signal input end, and the second signal input end is connected with the second pin.
Preferably, the desk lamp light source comprises a first light source assembly and a second light source assembly, and the driving module comprises a first driving circuit and a second driving circuit; the output end of the first driving circuit is connected with the first light source component, and the output end of the second driving circuit is connected with the second light source component;
the first driving circuit comprises a first input end and a second input end, the first input end is connected with the third pin, and the second input end is connected with a driving signal output end of the current monitoring circuit;
the second driving circuit comprises a third input end and a fourth input end, the third input end is connected with the fourth pin, and the fourth input end is connected with the driving signal output end of the current monitoring circuit.
Preferably, the first driving circuit further comprises a first triode and a first N-channel MOS transistor; a base electrode of the first triode is connected with the first input end, an emitting electrode of the first triode is grounded, a source electrode of the first N-channel MOS tube is connected with the second input end, a drain electrode of the first N-channel MOS tube is connected with the first light source component, and a common end of the first triode and the first N-channel MOS tube is connected with the first light source component; and/or
The second driving circuit further comprises a second triode and a second N-channel MOS tube; the base electrode of the second triode is connected with the third input end, the emitting electrode of the second triode is grounded, the source electrode of the second N-channel MOS tube is connected with the fourth input end, the drain electrode of the second N-channel MOS tube is connected with the second light source assembly, and the common end of the second triode and the second N-channel MOS tube is connected with the second light source assembly.
In order to further solve the technical problem, the utility model also provides a desk lamp, desk lamp includes the casing, locates drive control board and desk lamp light source on the casing, the last integration of drive control board has aforementioned arbitrary the desk lamp control circuit, desk lamp light source with desk lamp control circuit's output electric connection.
Preferably, the table lamp light source is composed of at least one full-spectrum LED lamp bead.
In order to further solve the technical problem, the utility model also provides a desk lamp light source anti-fake detection system based on visible light communication, the system includes:
the emitting end comprises the desk lamp of any one of the preceding items; the desk lamp light source of the desk lamp is used for emitting a light signal;
and the receiving end comprises an image acquisition module for shooting the optical signal and an image processing module for analyzing the shot optical signal.
Preferably, the receiving end is a mobile phone or a tablet computer.
Compared with the prior art, the utility model provides a desk lamp control circuit during operation, when the button module selection was in lighting mode, control module exported first drive signal to drive module, and drive module drives the illumination of desk lamp light source according to this first drive signal. When the key module is selected to be in the optical communication mode, the control module outputs a starting signal to the current and voltage monitoring module, and after the current and voltage monitoring module receives the starting signal, the current and voltage monitoring module monitors the current and voltage input to the driving module and outputs a second driving signal to the driving module; when the second driving signal passes through the driving module, the second driving signal and the first driving signal jointly act to enable the desk lamp light source to emit a light signal containing light source information during normal lighting. In addition, the voltage and current monitoring module sends the monitoring result to the control module in real time, and the control module adjusts the current and the voltage input to the driving module according to the monitoring result, so that the light source of the desk lamp can stably emit light signals. The utility model discloses a set up the optical communication mode in desk lamp control circuit's button module, carry light source information in the light signal and send out, follow-up consumer rethread receiving terminal is received, is read and discerned this light signal, can obtain the light source testing result that dispatches from the factory, knows the real quality of light source. Furthermore, the utility model provides a desk lamp control circuit is with low costs, and user operation is simple and convenient, suitable popularization and application.
Drawings
Fig. 1 is a schematic block diagram of a desk lamp control circuit according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a control module according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a key module according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a driving module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a monitoring module according to an embodiment of the present invention;
fig. 6 is a schematic diagram of interaction between a light source of a desk lamp and a receiving end according to an embodiment of the present invention;
fig. 7 is another schematic diagram of interaction between a light source of a desk lamp and a receiving end according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a desk lamp light source anti-counterfeiting detection system based on visible light communication according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the real quality problem that ordinary consumer can not accurately learn the LED light source, the utility model discloses based on the development of Optical Camera Communication (OCC) technique, provide a desk lamp control circuit, contain this desk lamp control circuit's desk lamp and desk lamp light source anti-fake detecting system.
Referring to fig. 1, a schematic block diagram of a desk lamp control circuit according to an embodiment of the present invention is shown, the desk lamp control circuit 100 includes a key module 10, a control module 11, a driving module 12 and a current and voltage monitoring module 13. The key module 10, the driving module 12 and the current-voltage monitoring module 13 are electrically connected to the control module 11, the current-voltage monitoring module 13 is further electrically connected to the driving module 12, an output end of the driving module 12 is electrically connected to the desk lamp light source 20, and the desk lamp light source 20 can be used for lighting and emitting optical signals.
Specifically, the key module 10 can be used to select to place the desk lamp 20 in an illumination mode or an optical communication mode. When the key module 10 selects to enable the desk lamp light source 20 to be in the lighting mode, the control module 11 outputs a first driving signal to the driving module 12, and the driving module 12 drives the desk lamp light source 20 to execute the corresponding lighting mode according to the first driving signal. When the key module 10 selects to enable the desk lamp light source 20 to be in the optical communication mode, the control module 11 is further configured to output a start signal to the current-voltage monitoring module 13; when the current-voltage monitoring module 13 receives the start signal, it monitors the current and voltage input to the driving module 12 and outputs a second driving signal to the driving module 12. After passing through the driving module 12, the second driving signal and the first driving signal cooperate to enable the desk lamp light source 20 to emit a light signal, where the light signal includes light source information, such as a factory detection result of the light source. In addition, the current and voltage monitoring module 13 sends the monitoring result to the control module 11 in real time, and the control module 11 makes whether to adjust the current and the voltage input to the driving module 12 according to the monitoring result, so that the desk lamp light source 20 can stably emit the light signal.
It should be noted that the first driving signal is a current signal or a voltage signal, the second driving signal is a current signal or a voltage signal, and the start signal is a level signal.
It should be noted that, when the desk lamp control circuit 100 provided by the present invention executes the optical communication mode, the desk lamp can keep executing the normal lighting function, and the light source emitting optical signal process will not be perceived by human eyes.
In the embodiment, the optical communication mode is set in the key module of the desk lamp control circuit, the light source information is loaded in the optical signal and emitted, and then the subsequent consumer receives, reads and identifies the optical signal through the receiving end, so that the factory detection result of the light source can be obtained, and the real quality of the light source can be known. Furthermore, the utility model provides a desk lamp control circuit is with low costs, and user operation is simple and convenient, suitable popularization and application.
It should be noted that, in other embodiments of the present invention, the current-voltage monitoring module 13 only monitors the current input to the driving module 12.
In an alternative embodiment, please refer to fig. 2, which provides a schematic circuit diagram of the control module 11, which is an MCU control chip, and each pin of the MCU control chip is connected to a corresponding circuit module to realize information interaction between the control module 11 and other circuit modules, so as to complete corresponding control functions.
In an optional embodiment, the desk lamp control circuit 100 further includes a communication interface module, electrically connected to the control module 11, for burning a corresponding control program in the control module 11 so that the corresponding function can be realized.
In an optional embodiment, the desk lamp control circuit 100 further includes a power module, and the power module is electrically connected to the control module 11, and is configured to provide a stable direct current to the whole desk lamp (including the desk lamp control circuit 100) and step down the direct current to a voltage of 3.3V to supply power to various chips. Through adopting stable direct current power supply, the light source does not have visual stroboscopic, very big protection user's eyesight.
In an alternative embodiment, please refer to fig. 3, the key module 10 is composed of a touch key and a touch IC, and each touch key is electrically connected to the control module 11 through the touch IC. In this embodiment, the touch key includes a mode selection terminal (TP 1/TEMP), a first adjustment terminal (TP 2/LED +), a second adjustment terminal (TP 3/LED-) and a switch terminal (TP 3/ON, OFF). The switch terminal (TP 3/ON, OFF) is used for controlling whether the circuit is conducted, the mode selection terminal (TP 1/TEMP) is used for selecting to be in an illumination mode or an optical communication mode, the first adjusting terminal (TP 2/LED +) is used for controlling the brightness of the desk lamp to increase, and the second adjusting terminal (TP 3/LED-) is used for controlling the brightness of the desk lamp to decrease. The 1 pin, the 2 pin, the 3 pin and the 4 pin in the touch IC are respectively connected with a mode selection terminal (TP 1/TEMP), a first regulation terminal (TP 2/LED +), a second regulation terminal (TP 3/LED-) and a switch terminal (TP 3/ON, OFF), and the 16 pin, the 15 pin, the 14 pin and the 13 pin in the touch IC are respectively connected with the 14 pin, the 13 pin, the 12 pin and the 11 pin in the MCU control chip. It should be noted that, in addition to the manner of combining the touch IC and the touch key in the present embodiment, in other embodiments, the key module 10 can also be operated by directly using the key without the touch IC.
In an alternative embodiment, the mode selection terminal (TP 1/TEMP) can be further divided into a 3000K color temperature mode, a 4500K color temperature mode and a 5000K color temperature mode when in the illumination mode. Wherein 4500K colour temperature mode is realized through the mode that the luminance of control 3000K colour temperature lamp pearl and 5000K colour temperature lamp pearl all reduces to 50%. In this embodiment, the mode selection terminal (TP 1/TEMP) can be set to indicate that the user selects the 3000K color temperature mode when the mode selection terminal (TP 1/TEMP) is touched for the first time, and the control module 11 outputs the first driving signal P for controlling the desk lamp light source 20 to generate 3000K color temperature illumination3000K(ii) a When the mode selection terminal (TP 1/TEMP) is touched for the second time, indicating that the user selection is in the color temperature mode of 4500K, the control module 11 outputs a first driving signal P for controlling the desk lamp light source 20 to generate illumination with color temperature of 4500K4500K(ii) a When the mode selection terminal (TP 1/TEMP) is touched for the third time, indicating that the user selects to be in the 5000K color temperature mode, the control module 11 outputs a first driving signal P for controlling the desk lamp light source 20 to generate 5000K color temperature illumination5000K(ii) a When the mode selection terminal (TP 1/TEMP) is touched for the fourth time, indicating that the user selects to be in the optical communication mode, the control module 11 continues to output the first driving signal P for controlling the desk lamp light source 20 to generate 5000K color temperature illumination5000KThe driving module 12 outputs a start signal to the current and voltage monitoring module 13, the current and voltage monitoring module 13 starts to monitor the current and voltage input to the driving module 12 after receiving the start signal, and sends the monitoring result to the control module 11 in real time, meanwhile, the current and voltage monitoring module 13 outputs a second driving signal to the driving module 12, and the second driving signal passes through the driving module 12 and then is matched with the first driving signal P5000KTogether, the desk lamp light source 20 emits a light signal when performing 5000K color temperature illumination.
It should be noted that the electrical signal transmission speed is very fast, and therefore, the second driving signal and the first driving signal P are very fast5000KThe time difference to the drive module 12 is almost negligible. In the embodiment, different color temperatures are set at the mode selection end by adopting multi-color bulbThe mode is used for enabling a user to switch the color temperature mode at any time according to the comfort level of human eyes, and the use experience of the user is improved.
In the foregoing embodiment, please refer to fig. 4 and 5, which respectively provide a schematic circuit diagram of the driving module 12 and the monitoring module 13 to implement the three illumination modes and the optical communication mode. As shown in connection with fig. 2, the driving module 12 includes a first driving circuit (see the left side of fig. 4) and a second driving circuit (see the right side of fig. 4). The output end (W-LED 1 end) of the first driving circuit is electrically connected with the 3000K color temperature lamp bead, and the first input end (LED 1 end) of the first driving circuit is connected with a 16-pin (LED 1) of the MCU control chip. The output end (Y-LED 1 end) of the second driving circuit is electrically connected with the 5000K color temperature lamp bead, and the third input end (LED 2 end) of the second driving circuit is connected with a pin 17 (LED 2) of the MCU control chip. A plurality of 3000K colour temperature lamp pearl constitutes first light source subassembly jointly, and a plurality of 5000K colour temperature lamp pearl constitutes second light source subassembly jointly. The current-voltage monitoring module 13 includes a current monitoring circuit (see the left side of fig. 5) and a voltage monitoring circuit (see the right side of fig. 5). The first signal input end (Uio end) of the current monitoring circuit is connected with a 20 pin (Uio) of the MCU control chip, and the driving signal output end (LEDVss end) of the current monitoring circuit is connected with the second input end (LEDVss) of the first driving circuit and the fourth input end (LEDVss) of the second driving circuit. And a second signal input end (Uvo end) of the voltage monitoring circuit is connected with a 19 pin (Uvo) of the MCU control chip.
With continued reference to fig. 4, the first driving circuit further includes a first transistor Q3 and a first N-channel MOS transistor Q1. The base of the first triode Q3 is connected with the first input end (the end of the LED 1), the emitter of the first triode Q3 is grounded, the source of the first N-channel MOS tube Q1 is connected with the second input end (LEDVss), the drain of the first N-channel MOS tube Q1 is electrically connected with the 3000K color temperature lamp bead, and the common ends of the first triode Q3 and the first N-channel MOS tube Q1 are electrically connected with the 3000K color temperature lamp bead. The second driving circuit further comprises a second triode Q4 and a second N-channel MOS tube Q2. The base of the second triode Q4 is connected with the third input end (LED 2 end), the emitter of the second triode Q4 is grounded, the source of the second N-channel MOS tube Q2 is connected with the fourth input end (LEDVss), the drain of the second N-channel MOS tube Q2 is electrically connected with the 5000K color temperature lamp bead, and the common ends of the second triode Q4 and the second N-channel MOS tube Q2 are electrically connected with the 5000K color temperature lamp bead.
As mentioned in the foregoing, when the mode selection terminal (TP 1/TEMP) is touched for the first time, it indicates that the user selects to be in the color temperature mode of 3000K, and at this time, the MCU control chip outputs the current I from the 16 pins 117 pin output current 0, current I1The LED1 end input through first drive circuit makes 3000K colour temperature lamp pearl by whole lightening after the amplification of first triode Q3. When the mode selection end (TP 1/TEMP) is touched for the second time, the user selects to be in the color temperature mode of 4500K, and at the time, the current I is output by the pin 16 of the MCU control chip 317 pin output current I4Current I of3The LED1 end input through the first drive circuit, the first triode Q3 amplifies the LED1 end to make the 3000K color temperature lamp bead light with 50% brightness, and the current I4The light is input from the LED2 end of the second driving circuit and amplified by the second triode Q4, so that the 5000K color temperature lamp bead is lightened at 50% of brightness. When the mode selection terminal (TP 1/TEMP) is touched for the third time, the mode selection terminal indicates that the user selects to be in the 5000K color temperature mode, and at the moment, the 17-pin output current I of the MCU control chip2Output current at pin 16 is 0, current I2The light is input from the LED2 end of the second drive circuit and amplified by the second triode Q4, so that the 5000K color temperature lamp beads are completely lightened. When the mode selection end (TP 1/TEMP) is touched for the fourth time, the user is indicated to be in an optical communication mode, the 20 pins and the 19 pins of the MCU control chip respectively output starting signals to the current monitoring circuit and the voltage monitoring circuit to trigger the monitoring circuit to work, the current monitoring circuit monitors the current input to the second driving circuit after receiving the starting signals and outputs a second driving signal to the LEDVss end of the second driving circuit, when the LEDVss end of the second driving circuit has current input, the second N-channel MOSFET Q2 is triggered to act together with the second triode Q4, and the on-off of the second N-channel MOSFET Q2 is controlled, so that the 5000K color temperature lamp bead capable of executing the illumination function is enabled to be in an optical communication modeAnd lighting according to a certain flashing frequency and a certain flashing time.
It should be noted that, in this embodiment, the third touch mode selection terminal (TP 1/TEMP) is set to execute the 5000K color temperature mode, and therefore, the first driving circuit does not function when the fourth touch mode selection terminal (TP 1/TEMP) is touched. If the third touch mode selection terminal (TP 1/TEMP) is set to execute the 4500K color temperature illumination mode, when the fourth touch mode selection terminal (TP 1/TEMP) executes the optical communication mode, the led vss terminal of the first driving circuit and the led vss terminal of the second driving circuit both have current input, the first N-channel MOSFET Q1 and the first triode Q3 cooperate, the second N-channel MOSFET Q2 and the second triode Q4 cooperate, and the 3500K color temperature lamp bead and the 5000K color temperature lamp bead which are executing the illumination function are lighted up according to a certain flashing frequency and flashing time by controlling the on-off of the two N-channel MOSFET Q1 and Q2.
Optionally, when the mode selection terminal (TP 1/TEMP) selects to be in the optical communication mode, the MCU control chip controls the N-channel MOSFET switch to turn on the illuminating lamp according to the flashing frequency of 4-20 KHz and the flashing time of 0.05-0.25 ms.
Optionally, the process of monitoring the current and the voltage input to the driving module 12 by the current and voltage monitoring module 13 includes collecting the current and the voltage input to the driving module 12, and performing signal amplification on the collected result. If the monitoring result shows that the current/voltage is over-current, the control module 11 will suppress the current/voltage input to the driving module 11, otherwise, the control module 11 will supplement the current/voltage input to the driving module 11 until the current/voltage input to the driving module 11 meets the requirement, so that the light source 20 of the desk lamp can stably emit the optical signal.
Further, please refer to fig. 6 for a desk lamp 200 provided by an embodiment of the present invention, the desk lamp 200 includes a housing 21, a driving control board (not shown in fig. 6) disposed on the housing 21, and a desk lamp light source (not shown in fig. 6), wherein the desk lamp control circuit 100 according to any of the foregoing embodiments is integrated on the driving control board, and the desk lamp light source is electrically connected to an output end of the desk lamp control circuit 100. The desk lamp 200 provided by this embodiment has the above-mentioned desk lamp control circuit 100 integrated on the driving control board, so that the function of emitting optical signals by the light source can be realized, and consumers can accurately know the real quality of the light source.
In some optional embodiments, as shown in fig. 6, the housing 21 includes a base 211 having a receiving space, a supporting column 212 disposed on the base 211, and a lamp panel 213 disposed at an end of the supporting column 212 far from the base 211. The driving control board is disposed in the base 211, and the touch key 214 is disposed on an outer surface of the base 211. The desk lamp light source is directly arranged on the side of the lamp panel 213 close to the base 211, or is arranged in the lamp panel 213 in a built-in manner, and the side of the lamp panel 213 close to the base is provided with a transparent or semitransparent lampshade so that light can be emitted.
In this embodiment, the lamp panel 213 has an annular structure, and the light emitting surface of the light source corresponding to the lamp panel is also annular, and at this time, the receiving end 300 can receive, read and identify the optical signal generated by the desktop 400 or the wall surface, so as to obtain complete light source stripe code information. It should be noted that, in other embodiments of the present invention, as shown in fig. 7, the lamp panel 213a is a solid structure, and at this time, the receiving end 300a can directly receive the optical signal emitted by the light source and read and identify the optical signal, so as to obtain complete light source stripe code information.
In a preferred embodiment, the desk lamp light source is composed of at least one full-spectrum LED lamp bead. Through adopting full gloss register for easy reference LED lamp pearl, low blue light harm, protection user's that can be very big eyesight.
In some optional embodiments, the desk lamp 200 further comprises a power adapter to provide a stable dc power supply for the desk lamp.
Further, please refer to fig. 8, which illustrates an anti-counterfeit detection system 500 for a table lamp light source based on visible light communication according to the present invention, wherein the system 500 includes a transmitting terminal 51, a receiving terminal 52 and a server 53. The emitting end 51 at least includes the table lamp 200 according to any of the foregoing embodiments, and is configured to emit an optical signal, where the optical signal carries ID information of a light source of the table lamp. The receiving end 52 includes an image acquisition module and an image processing module connected to the image acquisition module. The image acquisition module is used for shooting optical signals to obtain image information, such as a CMOS image sensor; the image processing module is used for analyzing and processing the image information. The server 53 is in communication connection with the receiving end 52, a mapping table of light source ID information and light source delivery detection results is pre-stored in the server 53, when the receiving end 52 obtains the ID information of the light source by analysis, the mapping table is sent to the server 53, and the server 53 feeds back information such as the light source delivery detection result corresponding to the ID information or a website link recorded with the light source delivery detection result to the receiving end 52 according to the ID information. It should be noted that, in this embodiment, the mapping table pre-storing the light source ID information and the light source factory detection result in the server 53 is relied on when obtaining the light source factory detection result, in other embodiments, the anti-counterfeit detection system may also not include the server, and directly pre-stores the mapping table to the receiving end, and the receiving end independently completes the receiving, reading and identifying processes to obtain the light source factory detection result.
In some optional embodiments, the receiving end is a mobile phone or a tablet computer. In the embodiment, the ID information of the light source is loaded in the optical signal and emitted, then the optical signal is received directly by using the mobile phone or the tablet computer as the receiving end, and the factory detection result of the light source is directly obtained after the optical signal is read and identified, so that the real quality of the light source can be effectively known to the user in time, counterfeit and low-quality desk lamps are prevented from being purchased, the anti-counterfeiting rate can reach 100%, the operation is simple and convenient, and the market value is very good.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A desk lamp control circuit comprises a key module for selecting to enable a desk lamp light source to be in an illumination mode, a control module for outputting a first driving signal when the key module selects to enable the desk lamp light source to be in the illumination mode, and a driving module for driving the desk lamp light source to illuminate according to the first driving signal, and is characterized by further comprising a current and voltage monitoring module;
the key module is also used for selecting to enable the desk lamp light source to be in an optical communication mode;
the control module is also used for outputting a starting signal when the key module selects to enable the desk lamp light source to be in an optical communication mode;
the current and voltage monitoring module is used for monitoring the current and the voltage input to the driving module according to the starting signal and outputting a second driving signal;
the driving module is further used for driving the desk lamp light source to emit light signals according to the second driving signal.
2. The desk lamp control circuit of claim 1, wherein the desk lamp light source emits light signals at a frequency of 4-20 KHz.
3. The desk lamp control circuit of claim 1, wherein the control module comprises an MCU control chip, the MCU control chip comprising a first pin, a second pin, a third pin, and a fourth pin; the first pin and the second pin are both connected with the current and voltage monitoring module; and the third pin and the fourth pin are both connected with the driving module.
4. The desk lamp control circuit of claim 3, wherein the current voltage monitoring module comprises a current monitoring circuit and a voltage monitoring circuit; the current monitoring circuit comprises a first signal input end and a driving signal output end, the first signal input end is connected with the first pin, and the driving signal output end is connected with the driving module; the voltage monitoring circuit comprises a second signal input end, and the second signal input end is connected with the second pin.
5. The desk lamp control circuit of claim 4, wherein the desk lamp light source comprises a first light source assembly and a second light source assembly, and the driving module comprises a first driving circuit and a second driving circuit; the output end of the first driving circuit is connected with the first light source component, and the output end of the second driving circuit is connected with the second light source component;
the first driving circuit comprises a first input end and a second input end, the first input end is connected with the third pin, and the second input end is connected with a driving signal output end of the current monitoring circuit;
the second driving circuit comprises a third input end and a fourth input end, the third input end is connected with the fourth pin, and the fourth input end is connected with the driving signal output end of the current monitoring circuit.
6. The desk lamp control circuit of claim 5, wherein the first driving circuit further comprises a first triode and a first N-channel MOS transistor; a base electrode of the first triode is connected with the first input end, an emitting electrode of the first triode is grounded, a source electrode of the first N-channel MOS tube is connected with the second input end, a drain electrode of the first N-channel MOS tube is connected with the first light source component, and a common end of the first triode and the first N-channel MOS tube is connected with the first light source component; and/or
The second driving circuit further comprises a second triode and a second N-channel MOS tube; the base electrode of the second triode is connected with the third input end, the emitting electrode of the second triode is grounded, the source electrode of the second N-channel MOS tube is connected with the fourth input end, the drain electrode of the second N-channel MOS tube is connected with the second light source assembly, and the common end of the second triode and the second N-channel MOS tube is connected with the second light source assembly.
7. A desk lamp, the desk lamp includes the body, locates drive control panel and desk lamp light source on the body, characterized by that, the integrated desk lamp control circuit of any claim 1-6 on the drive control panel, the desk lamp light source is connected with output terminal electrical behavior of the desk lamp control circuit.
8. The desk lamp of claim 7, wherein the desk lamp light source is comprised of at least one full spectrum LED lamp bead.
9. The utility model provides a desk lamp light source anti-fake detection system based on visible light communication which characterized in that, the system includes:
a transmitting end comprising the table lamp of any one of claims 7-8; the desk lamp light source of the desk lamp is used for emitting a light signal;
and the receiving end comprises an image acquisition module for shooting the optical signal and an image processing module for analyzing the shot optical signal.
10. The visible light communication-based desk lamp light source anti-counterfeiting detection system according to claim 9, wherein the receiving end is a mobile phone or a tablet computer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113359922A (en) * | 2021-06-22 | 2021-09-07 | 深圳华创芯光科技有限公司 | Current loop feedback control circuit and control method applied to OCC communication table lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113359922A (en) * | 2021-06-22 | 2021-09-07 | 深圳华创芯光科技有限公司 | Current loop feedback control circuit and control method applied to OCC communication table lamp |
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