CN209930586U - Bicycle lamp capable of intelligently adjusting brightness - Google Patents
Bicycle lamp capable of intelligently adjusting brightness Download PDFInfo
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- CN209930586U CN209930586U CN201920320418.9U CN201920320418U CN209930586U CN 209930586 U CN209930586 U CN 209930586U CN 201920320418 U CN201920320418 U CN 201920320418U CN 209930586 U CN209930586 U CN 209930586U
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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
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- 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
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Abstract
The utility model relates to the technical field of bicycles, in particular to a bicycle lamp capable of intelligently adjusting brightness; the LED lamp comprises a body, a luminous body arranged on the body and brightness adjusting units which are arranged in the body; the brightness adjusting unit comprises a main control chip, a GPS speed measuring module, a power supply module and a luminous body driving module for adjusting the brightness of the luminous body; the GPS speed measuring module and the luminous body driving module are electrically connected with the main control chip; the main control chip is electrically connected with the luminous body through the luminous body driving module; the power supply module supplies power to the bicycle lamp. The utility model discloses can be according to the speed of riding and the luminance of road conditions automatically regulated bicycle lamp.
Description
Technical Field
The utility model belongs to the technical field of the bicycle technique and specifically relates to indicate a bicycle lamp of intelligent regulation luminance.
Background
In recent years, with the popularization of sports bicycles, the environment-friendly and healthy travel mode such as riding is not the choice of many young and middle-aged people; during riding at night, as the riding speed is faster, the visibility is improved by light with higher brightness, so that a rider can park or avoid at any time according to road conditions; however, the bicycle lamps in the market all need to manually adjust a brightness switch; this means that during riding the rider's hands must be off the handlebar, which is very unsafe.
Disclosure of Invention
An object of the utility model is to overcome above shortcoming, provide a bicycle lamp of intelligent regulation luminance, can the luminance of automatic regulation bicycle lamp.
In order to achieve the above purpose, the specific scheme of the utility model is as follows: a bicycle lamp capable of intelligently adjusting brightness comprises a body, a luminous body arranged on the body and brightness adjusting units arranged in the body; the brightness adjusting unit comprises a main control chip, a GPS speed measuring module, a power supply module and a luminous body driving module for adjusting the brightness of the luminous body; the GPS speed measurement module is used for measuring the speed of the bicycle; the GPS speed measuring module and the luminous body driving module are electrically connected with the main control chip; the main control chip is electrically connected with the luminous body through the luminous body driving module; the main control chip drives the luminous body driving module to change the brightness of the luminous body according to the speed measured by the GPS speed measuring module; the power supply module supplies power to the bicycle lamp.
The utility model is further arranged that the brightness adjusting unit also comprises a vibration sensor; the vibration sensor is electrically connected with the main control chip.
The utility model discloses further set up to, vibration sensor is acceleration sensor.
The utility model is further arranged that the brightness adjusting unit also comprises a Bluetooth module; the Bluetooth module is electrically connected with the main control chip.
The utility model discloses further set up to, the bicycle lamp of intelligent regulation luminance is still including being used for making the fixed subassembly on the bicycle is fixed to the body.
The utility model is further arranged in that the power supply module comprises a charging circuit, a storage battery and a charging interface; the charging interface is arranged on the body; the charging interface is electrically connected with the storage battery through the charging circuit; the storage battery is electrically connected with the main control chip.
The utility model is further provided with that the GPS speed measuring module comprises a voltage stabilizing chip, a radio frequency operational amplifier chip, a GPS chip and an antenna for receiving satellite signals;
the output end of the power supply module supplies power to the GPS chip and the radio frequency operational amplifier chip through the voltage stabilizing chip respectively; the input end of the radio frequency operational amplifier chip is electrically connected with the antenna; the output end of the radio frequency operational amplifier chip is electrically connected with the radio frequency signal input end of the GPS chip;
and the data transceiving interface of the GPS chip is electrically connected with the serial transceiving interface of the main control chip.
The utility model discloses set up further as, the GPS speed measuring module still includes inductance L4, electric capacity C46 and electric capacity C42; one end of the inductor L4 is connected with the output end of the voltage stabilizing chip; the other end of the inductor L4 is connected with a power supply input end of the GPS chip; one end of the inductor L4 is grounded through a capacitor C46; the other end of the inductor L4 is grounded through a capacitor C42.
The utility model is further provided that the luminous body driving module comprises an operational amplifier chip, a field effect transistor Q105 and a voltage reduction control chip; the output end of the power supply module is electrically connected with the input end of the voltage reduction control chip; the reverse input end of the operational amplifier chip is electrically connected with the main control chip; the output end of the operational amplifier chip is connected with the output voltage feedback end of the voltage reduction control chip; the output end of the power supply module is connected with the source electrode of the field effect transistor Q105; the voltage output end of the voltage reduction control chip is connected with the grid electrode of the field effect transistor Q105; the drain electrode of the field effect transistor Q105 is connected with a luminous body.
The utility model has the advantages that: through setting up GPS module and vibration sensor that tests the speed, the road conditions of riding, the luminance of intelligent regulation luminous element need not the luminance of manual regulation luminous element according to the speed of actually riding, the convenience improves, prevents to ride the occurence of failure.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of another perspective of the present invention;
fig. 3 is a schematic circuit diagram of the main control chip of the present invention;
fig. 4 is a schematic circuit diagram of the GPS velocity measurement module of the present invention;
fig. 5 is a schematic circuit diagram of the power supply module of the present invention;
fig. 6 is a schematic circuit diagram of the vibration sensor of the present invention;
fig. 7 is a schematic circuit diagram of the light-emitting body driving module of the present invention;
fig. 8 is a schematic circuit diagram of the bluetooth module of the present invention.
Wherein: 1-body; 12-a luminophore; 4-a charging interface; 5-antenna.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying drawings and specific examples, is not intended to limit the scope of the invention.
As shown in fig. 1-8, the bicycle lamp with intelligent brightness adjustment of the present embodiment includes a main body 1, a light emitting body 12 disposed on the main body 1, and a brightness adjustment unit disposed in the main body 1; the brightness adjusting unit comprises a main control chip, a GPS speed measuring module, a power supply module and a luminous body driving module for adjusting the brightness of the luminous body 12; the GPS speed measurement module is used for measuring the speed of the bicycle; the GPS speed measuring module and the luminous body driving module are electrically connected with the main control chip; the main control chip is electrically connected with the luminous body 12 through the luminous body driving module; the main control chip drives the luminous body driving module to change the brightness of the luminous body 12 according to the speed measured by the GPS speed measuring module; the power supply module supplies power to the bicycle lamp.
Specifically, the model of the master control chip is STM32F103VCT 6; the data output end of the GPS speed measurement module is in communication connection with the serial output interface of the main control chip; the main control chip sends PWM control signals to the luminous body driving module, and the PWM control signals with different duty ratios are generated under different speeds, so that the lighting time of the luminous body 12 is controlled, and the effect of generating different brightness is achieved; the GPS speed measurement module is used for receiving satellite signals, measuring the real-time movement speed of the bicycle and sending the data to the main control chip for processing; the illuminant 12 comprises a dipped headlight and a high beam, and the illuminant driving module can drive the illuminant 12 with different powers to achieve the effect of respectively adjusting the brightness of the dipped headlight and the brightness of the high beam;
a speed value A and a speed value B are set in the main control chip; when the collected data value sent by the GPS speed measurement module is less than the speed value A, the main control chip sends a signal to the luminous body driving module, so that the high beam is turned off, and the dipped headlight works; when the speed value A is not more than the current speed and is less than the speed value B; the main control chip sends a signal to the luminous body driving module to light the high beam and simultaneously make the high beam and the dipped headlight change along with the riding speed, and when the riding speed is higher, the brightness of the dipped headlight and the high beam is higher; when the current speed is higher than the speed value B, the main control chip sends a signal to the luminous body driving module, so that the high beam lamp works at the maximum power and the low beam lamp works at the maximum power;
in addition, when the rider accelerates instantaneously, the acceleration sensor detects the instantaneous acceleration action and sends the signal to the main control chip, the main control chip calculates the received data and judges that the current rider accelerates instantaneously, and the main control chip is configured to send the signal to the luminous body driving module when detecting that the current rider accelerates instantaneously, so that the current luminous body 12 works at high power and fully illuminates the bottom surfaces of a distant place and a wheel; when the rider decelerates instantaneously or suddenly brakes, the acceleration sensor can detect the instantaneous deceleration action, the main control chip is also configured to delay for a period of time (which can be set to 30 seconds) when judging that the current driving is instantaneous deceleration, and then send the PWM signal to the luminous body driving module, so that the brightness of the luminous body 12 is smoothly weakened, the eyes of the rider can adapt to the change of light, and the road condition can be observed within sufficient time.
As shown in fig. 6, in the bicycle lamp for intelligently adjusting the brightness according to the embodiment, the brightness adjusting unit further includes a vibration sensor; the vibration sensor is electrically connected with the main control chip.
The vibration sensor is used for detecting whether the vehicle is on a bumpy road at present; sending the collected data to a main control chip for processing; specifically, the vibration sensor is an acceleration sensor; the model of the acceleration sensor is LIS3DHTR, and the 4 th, 7 th, 6 th and 8 th pins of the acceleration sensor are data output interfaces; as shown in fig. 6 and 3, the data output interface of the vibration sensor is correspondingly connected with the serial port of the main control chip in a communication manner;
when the bicycle is actually ridden on an uneven road, the riding speed is reduced, the brightness of the luminous body 12 is reduced, and the riding at the moment just needs high illumination; the main control chip is further configured to, when receiving the information from the vibration sensor and determining that the current road is an uneven road, preferentially process the current situation: sending a signal to the illuminant driving module and lightening the high beam; even if the riding speed is slow, the luminous body 12 can emit light with higher brightness; when the road is detected to be smooth, the brightness of the luminous body 12 is adjusted according to the current speed.
As shown in fig. 6 and 3, the vibration sensor is an acceleration sensor in the bicycle lamp for intelligently adjusting the brightness according to the present embodiment.
Specifically, the model of the acceleration sensor is LIS3 DHTR; the 4 th, 7 th, 6 th and 8 th pins are data output interfaces; pins 91, 92, 93 and 95 of the main control chip are input and output serial ports; as shown in fig. 6 and 3, the data output interface of the vibration sensor is correspondingly connected with the input/output serial port of the main control chip in a communication manner; in the category of the vibration sensor, the acceleration sensor can collect X, Y, Z acceleration components in three directions, and the test result is more accurate.
As shown in fig. 8 and fig. 3, in the bicycle lamp with intelligent brightness adjustment of the present embodiment, the brightness adjustment unit further includes a bluetooth module; the Bluetooth module is electrically connected with the main control chip.
Specifically, the bluetooth module may adopt an NRF51822-QFAC bluetooth master control chip integrating a bluetooth function and a control function; the 47 th pin and the 48 th pin of the Bluetooth main control chip are data transceiving ends; pins 25 and 26 of the main control chip are a second serial communication interface; the data transceiving end of the Bluetooth main control chip is in communication connection with the second serial communication interface of the main control chip;
through setting up bluetooth module, can carry out communication connection with car light remote controller, cell-phone or other smart machine, the function is abundanter.
As shown in fig. 1 to 3, the bicycle lamp with intelligent brightness adjustment of the present embodiment further includes a fixing assembly for fixing the body 1 to a bicycle. For mounting the body 1 on a handlebar.
As shown in fig. 1 to 8, in the bicycle lamp with intelligent brightness adjustment of the present embodiment, the power supply module includes a charging circuit, a storage battery, and a charging interface 4; the charging interface 4 is arranged on the body 1; the charging interface 4 is electrically connected with the storage battery through the charging circuit; the storage battery is electrically connected with the main control chip.
Specifically, a battery charging management chip with the model number TP5000 is arranged in the charging circuit; the charging management chip can judge whether the charging management chip is in a charging state at present and feed back the charging management chip to the main control chip; the 8 th pin of the charging management chip is a voltage input pin, the 4 th pin is a voltage output pin, and the 7 th pin is a charging state value pin; a 7 th pin of the main control chip is a charging state value receiving pin and is used for judging whether the main control chip is in a charging state at present; a 5 th pin of the charging management chip is an overheating protection pin; the 80 th pin of the main control chip is a charging enabling pin;
a voltage input pin of the charging management chip is electrically connected with the charging interface 4; a voltage output pin of the charging management chip is connected with the storage battery; the charging state value pin of the charging management chip is in communication connection with the charging state value receiving pin of the main control chip; the charging enabling pin of the main control chip is electrically connected with the overheating protection pin of the charging management chip; after the battery is actually used for a long time, the battery is likely to expand due to overhigh temperature during charging along with the aging of the battery, so that a machine is damaged;
through the setting, can ride or when riding in mountain area district section in the long-distance, fill equipment such as to carry out a lot of charges to the bicycle lamp through removing, need not to change the operation of battery, can ride while charging.
As shown in fig. 4, in the bicycle lamp with intelligent brightness adjustment of this embodiment, the GPS speed measurement module includes a voltage stabilization chip, a radio frequency operational amplifier chip, a GPS chip, and an antenna 5 for receiving satellite signals; the output end of the power supply module supplies power to the GPS chip and the radio frequency operational amplifier chip through the voltage stabilizing chip respectively; the input end of the radio frequency operational amplifier chip is electrically connected with the antenna 5; the output end of the radio frequency operational amplifier chip is electrically connected with the radio frequency signal input end of the GPS chip; and the data transceiving interface of the GPS chip is electrically connected with the serial transceiving interface of the main control chip.
Specifically, the model of the GPS chip is SKG 09B; the model MAX2659 of the radio frequency operational amplifier chip; the model of the voltage stabilizing chip is ME6212C33M 5G; the No. 2 and No. 3 pins of the GPS chip are a data transmitting and receiving pin, the No. 11 pin is a radio frequency signal receiving pin and the No. 8 pin is a power supply pin respectively; a No. 3 pin of the radio frequency operational amplifier chip is an antenna No. 5 signal receiving pin, and a No. 6 pin of the radio frequency operational amplifier chip is a radio frequency signal output pin; the 1 st pin of the voltage stabilizing chip is a voltage input pin, and the 5 th pin of the voltage stabilizing chip is a voltage output pin; pins 68 and 69 of the main control chip are GPS signal transceiving pins;
as shown in fig. 4 and 3, the data receiving and transmitting pins of the GPS chip are correspondingly connected with the GPS signal receiving and transmitting pins of the main control chip; an antenna 5 signal receiving pin of the radio frequency operational amplifier chip is connected with the antenna 5; a radio frequency signal output pin of the radio frequency operational amplifier chip is connected with a radio frequency signal receiving pin of the GPS chip; the voltage input pin of the voltage stabilizing chip is connected with the storage battery; a voltage output pin of the voltage stabilizing chip is connected with a power supply pin of the GPS chip;
the antenna 5 sends the received signals from the satellite to the GPS chip through the radio frequency operational amplifier chip, and the GPS chip processes and calculates the signals to obtain current vehicle speed information, position information and the like; and sending the data to a serial transceiving interface of the main control chip; the current vehicle speed can be measured.
As shown in fig. 4, in the bicycle lamp with intelligent brightness adjustment of the embodiment, the GPS speed measurement module further includes an inductor L4, a capacitor C46, and a capacitor C42; one end of the inductor L4 is connected with the output end of the voltage stabilizing chip; the other end of the inductor L4 is connected with a power supply input end of the GPS chip; one end of the inductor L4 is grounded through a capacitor C46; the other end of the inductor L4 is grounded through a capacitor C42.
Specifically, the inductor L4, the capacitor C46, and the capacitor C42 together form a filter network, which can filter out high-frequency noise.
As shown in fig. 7, the light-emitting body driving module includes an operational amplifier chip, a field-effect transistor Q105, and a voltage-reduction control chip; the output end of the power supply module is electrically connected with the input end of the voltage reduction control chip; the reverse input end of the operational amplifier chip is electrically connected with the main control chip; the output end of the operational amplifier chip is connected with the output voltage feedback end of the voltage reduction control chip; the output end of the power supply module is connected with the source electrode of the field effect transistor Q105; the voltage output end of the voltage reduction control chip is connected with the grid electrode of the field effect transistor Q105; the drain of the field effect transistor Q105 is connected to the light emitter 12.
Specifically, the model of the voltage reduction control chip is XC9221C09 AMR; the model of the operational amplifier chip is MCP 606T; the No. 5 pin of the voltage reduction control chip is a voltage input end, the No. 1 pin is an enabling end, the No. 3 pin is a voltage feedback end, and the No. 4 pin is a voltage output end; the No. 4 pin of the operational amplifier chip is a reverse input end, the No. 3 pin is a non-inverting input end, and the No. 1 pin is a signal output end; pin 65 of the main control chip is a PWM control signal output end, and pin 78 is an enabling output end of the luminous body 12;
the voltage input end of the voltage reduction control chip is connected with the output end of the power supply; the enable end of the voltage reduction control chip is connected with the enable output end of the luminous body 12 of the main control chip; the output end of the power supply module is connected with the source electrode of the field effect transistor Q105; the voltage output end of the voltage reduction control chip is connected with the grid electrode of the field effect transistor Q105; the drain electrode of the field effect transistor Q105 is connected with the luminous body 12;
the reverse input end of the operational amplifier chip is electrically connected with the PWM control signal output end of the main control chip; the homodromous input end of the operational amplifier chip is electrically connected with the cathode of the luminous body 12; the signal output end of the operational amplifier chip is connected with the voltage feedback end of the voltage reduction control chip; the field effect transistor Q105 is used as a switching tube and is used for controlling the on and off of the luminous body 12;
in practical applications, the luminance of the light-emitting body 12 is high, so that a large current is required for driving; the voltage reduction control chip can provide enough driving current and linearly adjust the magnitude of output current so as to achieve the effects of brightening and dimming the brightness of the luminous body 12, and the effect of controlling the brightening and dimming of the luminous body 12 can be achieved by connecting the voltage reduction control chip with the field effect transistor Q105; the main control chip outputs PWM control signals with different duty ratios according to the current riding speed, and then the operational amplifier chip is used for superposing and amplifying the PWM control signals sent by the main control chip and the collected current of the luminous body 12; the amplified signal enters a voltage feedback end of the voltage reduction control chip as a negative feedback signal, so that the voltage reduction control chip linearly adjusts the output current value, thereby adjusting the brightness of the light-emitting body 12.
The above is only a preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a bicycle lamp of intelligent regulation luminance which characterized in that: the LED lamp comprises a body (1), a luminous body (12) arranged on the body (1) and brightness adjusting units which are arranged in the body (1);
the brightness adjusting unit comprises a main control chip, a GPS speed measuring module, a power supply module and a luminous body driving module for adjusting the brightness of the luminous body (12);
the GPS speed measurement module is used for measuring the speed of the bicycle;
the GPS speed measuring module and the luminous body driving module are electrically connected with the main control chip; the main control chip is electrically connected with the luminous body (12) through the luminous body driving module;
the main control chip drives the luminous body driving module to change the brightness of the luminous body (12) according to the speed measured by the GPS speed measuring module;
the power supply module supplies power to the bicycle lamp.
2. The bicycle lamp of claim 1, wherein: the brightness adjusting unit further comprises a vibration sensor; the vibration sensor is electrically connected with the main control chip.
3. The bicycle lamp of claim 2, wherein: the vibration sensor is an acceleration sensor.
4. The bicycle lamp of claim 1, wherein: the brightness adjusting unit also comprises a Bluetooth module; the Bluetooth module is electrically connected with the main control chip.
5. The bicycle lamp of claim 1, wherein: the bicycle lamp capable of intelligently adjusting the brightness further comprises a fixing assembly used for enabling the body (1) to be fixed on a bicycle.
6. The bicycle lamp of claim 1, wherein: the power supply module comprises a charging circuit, a storage battery and a charging interface (4); the charging interface (4) is arranged on the body (1); the charging interface (4) is electrically connected with the storage battery through the charging circuit; the storage battery is electrically connected with the main control chip.
7. The bicycle lamp of claim 1, wherein: the GPS speed measurement module comprises a voltage stabilization chip, a radio frequency operational amplifier chip, a GPS chip and an antenna (5) for receiving satellite signals;
the output end of the power supply module supplies power to the GPS chip and the radio frequency operational amplifier chip through the voltage stabilizing chip respectively; the input end of the radio frequency operational amplifier chip is electrically connected with the antenna (5); the output end of the radio frequency operational amplifier chip is electrically connected with the radio frequency signal input end of the GPS chip;
and the data transceiving interface of the GPS chip is electrically connected with the serial transceiving interface of the main control chip.
8. The bicycle lamp of claim 7, wherein: the GPS speed measurement module further comprises an inductor L4, a capacitor C46 and a capacitor C42;
one end of the inductor L4 is connected with the output end of the voltage stabilizing chip; the other end of the inductor L4 is connected with a power supply input end of the GPS chip; one end of the inductor L4 is grounded through a capacitor C46; the other end of the inductor L4 is grounded through a capacitor C42.
9. The bicycle lamp of claim 1, wherein: the luminous body driving module comprises an operational amplifier chip, a field effect transistor Q105 and a voltage reduction control chip;
the output end of the power supply module is electrically connected with the input end of the voltage reduction control chip; the reverse input end of the operational amplifier chip is electrically connected with the main control chip; the output end of the operational amplifier chip is connected with the output voltage feedback end of the voltage reduction control chip;
the output end of the power supply module is connected with the source electrode of the field effect transistor Q105; the voltage output end of the voltage reduction control chip is connected with the grid electrode of the field effect transistor Q105; the drain electrode of the field effect transistor Q105 is connected with a luminous body (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920320418.9U CN209930586U (en) | 2019-03-13 | 2019-03-13 | Bicycle lamp capable of intelligently adjusting brightness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920320418.9U CN209930586U (en) | 2019-03-13 | 2019-03-13 | Bicycle lamp capable of intelligently adjusting brightness |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511289A (en) * | 2020-04-09 | 2021-10-19 | 迈动科技股份有限公司 | Illumination device for a bicycle |
| CN114302542A (en) * | 2021-12-22 | 2022-04-08 | 嘉兴爱骑行电子科技有限公司 | Intelligent bicycle lamp with adjustable brightness |
| CN115892304A (en) * | 2023-02-24 | 2023-04-04 | 嘉兴星程电子有限公司 | Bicycle lamp capable of being manually locked and installed |
-
2019
- 2019-03-13 CN CN201920320418.9U patent/CN209930586U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511289A (en) * | 2020-04-09 | 2021-10-19 | 迈动科技股份有限公司 | Illumination device for a bicycle |
| CN114302542A (en) * | 2021-12-22 | 2022-04-08 | 嘉兴爱骑行电子科技有限公司 | Intelligent bicycle lamp with adjustable brightness |
| CN115892304A (en) * | 2023-02-24 | 2023-04-04 | 嘉兴星程电子有限公司 | Bicycle lamp capable of being manually locked and installed |
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