CN209876773U - Car light subassembly and vehicle - Google Patents
Car light subassembly and vehicle Download PDFInfo
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- CN209876773U CN209876773U CN201920324460.8U CN201920324460U CN209876773U CN 209876773 U CN209876773 U CN 209876773U CN 201920324460 U CN201920324460 U CN 201920324460U CN 209876773 U CN209876773 U CN 209876773U
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Abstract
The utility model relates to a car light subassembly and vehicle, car light subassembly include car light source, light sensor and control circuit, and control circuit is connected with car light source and light sensor, and light sensor is used for detecting the light that gets into light sensor to send signal to control circuit, control circuit basis light sensor's signal control opening and closing of car light source. The car light subassembly is through setting up light sensor and control circuit in inside for the car light source can be opened or close according to the light intensity automation of external world, perhaps carries out distance detection through light sensor, realizes intelligent supplementary driving, thereby improves automobile driving's security.
Description
Technical Field
The utility model relates to a car light technical field, in particular to car light subassembly and vehicle.
Background
The automobile is a common vehicle in daily life, and the lamps of the automobile are important parts of the automobile, including halogen lamps, xenon lamps, LED lamps and the like, and are mainly controlled by a running computer to be turned on or off so as to realize the illumination function, and the functions are single. In some higher-end vehicles, in order to automatically control the turning on or off of the lamps, a light sensor is mounted on the vehicle body, and the turning on or off of the lamps is controlled according to the detection result of the light sensor. However, since the light sensor needs to be additionally mounted on the vehicle body (not in the lamp), the position for mounting the light sensor needs to be reserved on the vehicle body, on one hand, the appearance of the vehicle can be affected, and on the other hand, the wiring is more complicated.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a car light subassembly that the function is abundanter and have vehicle of this car light subassembly.
An aspect of the utility model provides a car light assembly, it includes car light source, light sensor and control circuit, control circuit with car light source and light sensor connect, light sensor is used for detecting the entering light of light sensor to send the signal extremely control circuit, control circuit basis light sensor's signal control opening and closing of car light source.
As a further improvement of the above embodiment, the vehicle lamp further comprises a circuit board, wherein the control circuit is arranged on the circuit board, the control circuit comprises a controller, a power conversion circuit, a light sensor signal processing circuit and a vehicle lamp driving circuit, the power conversion circuit, the light sensor signal processing circuit and the vehicle lamp driving circuit are all connected with the controller, the light sensor signal processing circuit and the vehicle lamp driving circuit are connected with the power conversion circuit, a vehicle lamp assembly interface line used for being connected with a vehicle-mounted main circuit is arranged on the circuit board, and the vehicle lamp assembly interface line is connected with the controller and the power conversion circuit.
As a further improvement of the above embodiment, the control circuit controls the lamp light source to emit light at a preset frequency and/or a preset waveform, the light sensor detects reflected light of the light emitted from the lamp light source reflected by an obstacle, the control circuit calculates the distance to the obstacle from a time difference between an emission light emission time and a reflected light reception time, and the preset frequency is preferably greater than 100 HZ.
As a further improvement of the above embodiment, the vehicle lamp further comprises an outer shell, wherein the vehicle lamp light source, the light sensor and the control circuit are arranged in the outer shell; or the vehicle lamp assembly is a tail lamp assembly or a front lamp assembly.
As a further improvement of the above embodiment, the control circuit calculates light intensity according to a signal of the light sensor, and controls the turning on and off of the light source of the vehicle lamp according to the light intensity; or
The control circuit calculates the distance of an obstacle according to the signal of the optical sensor and controls the on and off of the light source of the car lamp according to the distance of the obstacle.
As a further improvement of the above embodiment, the control circuit includes a frequency modulation circuit and a frequency demodulation circuit, the frequency modulation circuit is connected to the light source of the vehicle lamp, and the frequency demodulation circuit is connected to the light sensor.
As a further improvement of the above embodiment, the vehicle lamp assembly is a headlamp assembly, the headlamp assembly includes a high beam and a low beam, the control circuit is connected to the high beam and the low beam, and the control circuit calculates the light intensity according to the signal of the light sensor; when the light intensity is lower than a first threshold value, the control circuit controls the dipped headlight to be turned on; when the light intensity is lower than a second threshold value, the control circuit controls the high beam to be turned on, and the first threshold value is higher than the second threshold value.
As a further improvement of the above embodiment, after the high beam is turned on, if the light sensor detects that the light intensity is again higher than the second threshold, the control circuit controls the high beam to be turned off; and/or
After the dipped headlight is turned on, if the light sensor detects that the light intensity is higher than the first threshold value again, the control circuit controls the dipped headlight to be turned off.
As a further improvement of the above embodiment, the vehicle lamp assembly is a headlamp assembly, the headlamp assembly includes a high beam and a low beam, the control circuit is connected to the high beam and the low beam, and the control circuit calculates the distance to the obstacle according to the signal of the light sensor; when the distance between the obstacles is smaller than or equal to a preset value, the control circuit controls the high beam to be turned off; or
The car light subassembly is the rear of a vehicle lamp subassembly, the rear of a vehicle lamp subassembly includes the tail lamp, control circuit calculates the luminous intensity according to light sensor's signal, and when the luminous intensity was less than the third threshold value, control circuit control the tail lamp is opened.
The embodiment of the utility model provides a still provide a vehicle, it includes the automobile body and installs car light assembly on the automobile body, car light assembly is above-mentioned arbitrary embodiment car light assembly.
The embodiment of the utility model provides a set up light sensor in car light subassembly, need not to set up light sensor in addition again in other positions of automobile body, can be according to the signal control vehicle of the light sensor in the car light subassembly, consequently make the manufacturing of vehicle simpler, also more pleasing to the eye, and car light subassembly's function is also abundanter.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a perspective view of the vehicular lamp assembly of the present invention;
FIG. 2 is a perspective exploded view of the vehicular lamp assembly of the present invention;
fig. 3 is a schematic diagram of a control circuit of the lamp assembly of the present invention.
Detailed Description
To facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 3, an aspect of the present invention provides a vehicle lamp assembly, the vehicle lamp assembly can be a vehicle tail lamp assembly or a headlamp assembly, the vehicle lamp assembly includes a vehicle lamp light source 1, a light sensor 2, a control circuit, a base body 4, an inner casing 5, a circuit board 6, a sound generating device 8, a heat dissipation fan 7 and an outer casing.
The car light source 1, the optical sensor 2 and the control circuit (not numbered) are installed in an outer shell, wherein the outer shell (not shown) is a light-permeable shell, such as a toughened glass shell or a glass shell, the control circuit is connected with the car light source 1 and the optical sensor 2, the optical sensor 2 is used for detecting light entering the optical sensor 2 and sending a signal to the control circuit, and the control circuit controls the car light source 1 to be turned on and turned off according to the signal of the optical sensor 2. Specifically, in some embodiments, the light sensor 2 detects the light intensity of the outside, converts the detected light intensity signal into a light intensity electrical signal, and transmits the light intensity electrical signal to the control circuit, which controls the turning on or off of the vehicular lamp light source 1 according to the light intensity electrical signal. In other embodiments, the control circuit calculates the distance between the vehicle and the obstacle according to the time difference between the time when the lamp light source 1 emits light and the time when the light sensor 2 receives the corresponding reflected light, and sends out warning information or controls the lamp light source 1 to be turned on and off according to the distance. Through set up light sensor and control circuit in car light subassembly inside for the car light source can be opened or close according to external luminous intensity is automatic, perhaps carries out distance detection through light sensor, realizes intelligent supplementary driving, thereby improves automobile driving's security.
The inner housing 5 may be an aluminum heat dissipation housing having good heat dissipation performance. In this embodiment, the inner housing 5 is in a cylindrical shape, the inner housing 5 is internally provided with an installation cavity 51, the inner housing 5 is provided with a first window 52 and a second window 53, the first window 52 corresponds to the position of the vehicle lamp light source 1, so that the light emitted by the vehicle lamp light source 1 is emitted from the first window 52, the second window 53 corresponds to the position of the optical sensor 2, and the optical sensor 2 can receive the light emitted from the outside by arranging the second window 53. Specifically, the first window 52 is located on the side wall 54 of the inner housing 5, the second window 53 is located at the outer end 55 of the inner housing 5, and the arrangement of the first window 52 and the second window 53 is beneficial to the light sensor 2 to receive the light emitted from the outside, and can simplify the structure of the lamp assembly. The end of the lamp assembly capable of receiving the light from the outside is the outer end of the lamp assembly, and the other end opposite to the outer end is the inner end of the lamp assembly, that is, the end of the inner shell 5 corresponding to the light sensor 2 is the outer end 55 of the inner shell 5, and the other end is the inner end of the inner shell 5.
In this embodiment, the base 4 is cylindrical and is accommodated in the mounting cavity 51, and an aluminum substrate (not numbered) is further disposed on an outer side wall of the base 4, the aluminum substrate is disposed to facilitate heat dissipation of the lamp light source 1, a conductive circuit (not shown) is disposed in the base 4, and the circuit board 6 is mounted at an inner end of the base 4, wherein one end of the base 4 close to the optical sensor 2 is an outer end 41, and the other end of the base 4 far away from the optical sensor 2 is an inner end, the optical sensor 2 and the lamp light source 1 are connected to the circuit board 6 through the conductive circuit, so as to achieve electrical connection between the optical sensor 2, the lamp light source 1 and the circuit board 6, and the circuit board 6 is provided.
The car light source 1 and the light sensor 2 are installed in the inner housing 5 or located on the inner housing 5, and of course, in other embodiments, the car light source 1 and the light sensor 2 may also be exposed from the surface of the inner housing 5, as long as it is ensured that the car light source 1 can emit light to the outside of the inner housing 5 and the light sensor 2 can receive light emitted from the outside, the car light source 1 emits light to the outside of the side wall 54 of the inner housing 5, and the light sensor 2 detects light entering from the outer end portion 55 of the inner housing 5, so that the light sensor 2 can accurately detect light from the outside.
In this embodiment, the car light source 1 is installed on the base 4, specifically, the car light source 1 is installed on the side wall 42 of the base 4, the car light source 1 is an LED car light source, the LED light source 11 is arranged therein, the LED car light source can be a car light source containing an LED chip such as chip on board package (COB), LED patch or LED lamp bead, and the car light source 1 includes a high beam, a low beam and a tail lamp. The optical sensor 2 is mounted on the base 4, specifically, the optical sensor 2 is mounted on the outer end portion 41 of the base 4, and the optical sensor 2 is configured to detect light incident from the second window 53.
In a preferred embodiment, the control circuit calculates the light intensity according to the signal of the light sensor 2, and controls the turning on and off of the vehicle light source 1 according to the light intensity, that is, the light sensor 2 detects the intensity of the external ambient light, and controls the turning on and off of the vehicle light source 1 according to the intensity of the ambient light. Or, the control circuit calculates the distance of the obstacle according to the signal of the light sensor 2, and controls the turning on and off of the vehicle light source 1 according to the distance of the obstacle, or sends out warning information according to the distance of the obstacle. More specifically, the light sensor 2 receives light reflected by the obstacle, the control circuit analyzes the delay (time difference) of the received reflected light signal relative to the light source of the LED car light according to the reflected light, the control circuit calculates the distance between the car and the obstacle according to the delay, and controls the turning on and off of the car light source 1 according to the distance between the obstacle, or sends out warning information according to the distance between the obstacle, so as to remind a driver of paying attention to the distance between the car and the obstacle.
In a preferred embodiment, the control circuit controls the lamp light source 1 to emit light with a preset frequency and/or a preset waveform, the light sensor 2 detects reflected light of the light emitted by the lamp light source 1 reflected by an obstacle, and the control circuit calculates the distance to the obstacle according to the time difference between the emission time of the emitted light and the reception time of the reflected light. The predetermined frequency or the predetermined waveform is set so that the light sensor 2 can accurately detect the reflected light from the obstacle, and exclude other light interference other than the predetermined frequency or the predetermined waveform. The preset frequency is preferably greater than 100HZ so as not to affect the vision of others.
In this embodiment, the circuit board 6 is a PCB, the control circuit is disposed on the circuit board 6, the control circuit includes a controller 31, a power conversion circuit 32, a light sensor signal processing circuit 33, a lamp driving circuit and a clock circuit 37, that is, the control circuit is integrated on the PCB, the power conversion circuit 32, the clock circuit 37, the light sensor signal processing circuit 33 and the lamp driving circuit are all electrically connected to the controller 31, the light sensor signal processing circuit 33 and the lamp driving circuit are electrically connected to the power conversion circuit 32, a lamp assembly interface line 61 for connecting to a vehicle main circuit is disposed on the circuit board 6, and the lamp assembly interface line 61 is electrically connected to the controller 31 and the power conversion circuit 32. In a further preferred embodiment, the circuit board 6 is further provided with a sound generating device driving circuit 36 and a heat dissipating fan driving circuit 35.
The control circuit further includes a frequency modulation circuit (not shown) connected to the lamp light source 1 and a frequency demodulation circuit (not shown) connected to the light sensor 2. The frequency modulation circuit is used for enabling the light signal sent by each car lamp component to be different from the light signals sent by other components, and the frequency demodulation circuit is used for demodulating the light signals read by the light sensor 2, so that the light sensor 2 can be prevented from using the light signals irradiated by other car lamp components as the reflected light of the light sent by the car lamp component.
The optical sensor 2 includes a memory for storing an electrical signal of light intensity, so that the optical sensor 2 has a storage function, and the optical sensor 2 further has functions of signal modulation, photocurrent signal conversion into a voltage signal, voltage signal amplification, analog-to-digital conversion, signal output, and the like. Specifically, the light sensor 2 receives light incident from the outside and converts the light into an electrical signal, and then inputs the original electrical signal to the light sensor signal processing circuit 33 for signal processing and generating a digital signal representing light intensity, and then transmits the digital signal representing light intensity to the controller 31.
The controller 31 is an MCU, and is configured to coordinate operations among the various components, such as synchronizing the light emitted from the LED lamp and the frequency and phase received by the light sensor 2, and adjusting the light emitted from the LED lamp and driving the sound generating device 8 (e.g., a small speaker) to alarm according to the reading of the light sensor 2.
The car light driving circuit is an LED driving circuit 34, the controller 31 sends an instruction for turning on or turning off the light source of the LED car light to the LED driving circuit 34 according to the light intensity electric signal, the LED driving circuit 34 drives the light source of the LED car light to be turned on or turned off according to the instruction, and the working modes of a dipped headlight, a high beam headlight or a tail light can be automatically switched according to the external light intensity.
Sound generating mechanism 8 sets up in car light subassembly, specifically, sound generating mechanism 8 sets up on circuit board 6, and control circuit is connected with sound generating mechanism 8 for according to the opening and closing of the distance control sound generating mechanism 8 of barrier. More specifically, the sound generating device 8 is connected to the sound generating device driving circuit 36, the sound generating device driving circuit 36 is connected to the controller 31 and the power conversion circuit 32, and the sound generating device 8 can be a component such as a speaker or a piezoelectric ceramic buzzer which can generate a warning sound, and the driver can be informed of the distance between the vehicle and the obstacle by setting the sound generating device 8, so as to realize the warning function.
The temperature sensor 62 is disposed on the circuit board 6, and is used for detecting the temperature of the lamp light source 1, the cooling fan 7 is connected to the cooling fan driving circuit 35, the temperature sensor 62 and the cooling fan driving circuit 35 are both connected to the controller 31 and the power conversion circuit 32, and the controller 31 controls the cooling fan driving circuit 35 according to the signal of the temperature sensor 62. Specifically, the temperature sensor 62 sends the detected temperature to the controller 31, and the controller 31 drives the cooling fan 7 to turn on or off through the cooling fan driving circuit 35 according to the temperature signal, so that the vehicle light source 1 can dissipate heat in time, and is prevented from being damaged due to overhigh temperature. More specifically, the temperature sensor 62 outputs a temperature signal to the controller 31, the controller 31 sends an instruction to the cooling fan driving circuit 35 according to the received temperature signal, and the cooling fan driving circuit 35 drives the cooling fan 7 to reach a set rotation speed according to the instruction, so as to dissipate heat of the vehicle light source 1.
The clock circuit 37 outputs an accurate clock signal to the controller 31, the automobile power supply supplies power to the power conversion circuit 32 through the automobile light source interface electrically connected with the automobile light assembly interface wire 61, the power conversion circuit 32 supplies power to each part circuit of the PCB, and the controller 31 controls the power conversion circuit 32 to work according to the setting. The power conversion circuit 32 is used to convert the original power output of the vehicular lamp light source into an input power matched with each part of the PCB, such as 12V to 5V or 3.3V.
The utility model discloses another aspect provides a vehicle, it includes the automobile body and installs car light subassembly on the automobile body, car light subassembly be above arbitrary embodiment car light subassembly.
In a preferred embodiment, the headlight assembly is a headlight assembly including a high beam and a low beam, and the control circuit is connected to the high beam and the low beam and calculates the light intensity according to the signal of the light sensor 2. Specifically, the controller 31 sets a first threshold and a second threshold, and the first threshold is higher than the second threshold, and the reading of the optical intensity electrical signal of the optical sensor 2 represents the optical intensity, in this example, the default is that the higher the reading is, the higher the optical intensity is, and of course, if the default reading is higher and the optical intensity is lower, the above description needs to be adjusted accordingly. When the light intensity is lower than a first threshold value, for example, when a vehicle meets at night and irradiates a light source of a vehicle lamp, the control circuit (controller 31) controls the dipped headlight to be turned on; when the light intensity is lower than the second threshold value, for example, at night and irradiating the headless light source, the control circuit controls the high beam to be turned on, so that the working mode between the low beam and the high beam can be accurately and automatically switched.
Specifically, after the high beam is turned on, if the light sensor 2 detects that the light intensity is higher than the second threshold value again, the control circuit controls the high beam to be turned off; and/or after the dipped headlight is turned on, if the light sensor 2 detects that the light intensity is higher than the first threshold value again, for example, when the dipped headlight leaves a tunnel, the control circuit controls the dipped headlight to be turned off, so that the vehicle light source 1 can be automatically turned on and off according to the external light intensity.
In other preferred embodiments, the headlight assembly is a headlight assembly, the headlight assembly comprises a high beam and a low beam, the control circuit is connected with the high beam and the low beam, and the control circuit calculates the distance of the obstacle according to the signal of the optical sensor 2; when the distance of the obstacle is smaller than or equal to a preset value, the control circuit controls the high beam to be turned off. Specifically, the light sensor 2 receives light reflected by the obstacle, and transmits a reflected light signal to the light sensor signal processing circuit 33, the light sensor signal processing circuit 33 analyzes the time delay of the received reflected light signal relative to the light source of the LED car light, and the MCU calculates the distance between the car and the obstacle (for example, the car coming to the lane or the car ahead of the lane) according to the time delay, that is, the radar function of the headlamp assembly is realized, and when the MCU calculates that the distance to the obstacle is less than or equal to a preset value, the MCU controls the high beam to turn off.
Optionally, the car light assembly is a car tail light assembly, the car tail light assembly includes a tail light, the control circuit calculates the light intensity according to the signal of the optical sensor 2, and when the light intensity is lower than a third threshold, the control circuit controls the tail light to be turned on. Specifically, when the MCU calculates that the light intensity is lower than the third threshold value, the MCU controls the tail lamp to be turned on, so that the tail lamp assembly can be automatically turned on according to the external light intensity. The third threshold may be equal to or different from the first threshold, for example, may be higher than the first threshold.
Optionally, the car light assembly is a car tail light assembly, when the car is backed, the control circuit calculates the distance of the obstacle according to the signal of the optical sensor 2, and the control circuit controls the sound generating device 8 of the car to be turned on and off according to the distance of the obstacle, or displays the distance of the obstacle on a vehicle-mounted display screen of the car, so that the car has a man-machine interaction function, a driver can be informed of the distance between the current car and the obstacle, and intelligent driving is achieved.
The utility model also provides a control method of vehicle, the car light subassembly of vehicle includes car light source 1 and light sensor 2, and the control method of vehicle includes following step:
causing the vehicular lamp light source 1 to emit emission light;
receiving, by the light sensor 2, reflected light of the emitted light after being reflected by an obstacle;
calculating the distance of the obstacle according to the time difference between the emitting time of the emitted light and the receiving time of the reflected light, namely realizing the radar function of the vehicle;
and sending out warning information or controlling the on and off of the car light source 1 according to the distance of the obstacle.
As a further improvement of the above embodiment, the control method of the vehicle controls the lamp light source 1 to emit light at a preset frequency and/or a preset waveform, while excluding other light interference except for the preset frequency or preset waveform. The preset frequency is preferably greater than 100HZ so as not to affect the vision of others.
Optionally, the vehicle control method further includes a step of manually controlling the lamp light source 1 to emit the emitted light, the driver inputs a manual control signal through a manual control element (e.g. a start switch) and transmits the manual control signal to the controller 31 through the lamp assembly interface line 61, the controller 31 turns on or off the lamp light source 1 according to the manual control signal, and when the lamp light source 1 is turned on or off manually, the signal of the optical sensor 2 is invalid, that is, the driver has the highest priority, so as to further improve the driving flexibility and safety.
Specifically, the controller 31 is further configured with a time interval value for receiving the manual control signal, when the controller 31 receives the manual control signal twice within the set time interval value, the controller 31 controls the LED driving circuit 34 to drive the LED lamp light source to emit light at a preset frequency, and simultaneously monitors the reflected light intensity electrical signal of the light sensor 2, and drives the sound generating device 8 to emit alarm sounds with different frequencies and intensities according to the distance setting value of the obstacle, that is, the MCU drives the sound generating device 8 to emit an alarm according to a preset scheme, where the alarm sound may be a discontinuous beep sound, and the beep sound is faster as the distance is closer, so that the driver can determine the distance between the vehicle and the obstacle according to different alarm sounds, and thereafter, when the controller 31 receives the manual control signal twice within the set time interval value again, the radar function of the vehicle is turned off.
More specifically, the time interval value set by the controller 31 is 5s, and the controller 31 sets the LED driving circuit 34 to drive the LED lamp light source to emit light at a fixed frequency greater than 100Hz, that is, the radar function is turned on after the controller 31 receives the manual control signal of the driver twice within 5 seconds, and the radar function is turned off after the controller 31 receives the manual control signal of the driver twice within 5 seconds again, so as to detect the distance between the vehicle and the obstacle, so that the driver can be reminded to pay attention to the distance between the vehicle and the obstacle in advance, and avoid accidents.
The embodiment of the utility model provides a set up light sensor in car light subassembly, need not to set up light sensor in addition again in other positions of automobile body, can be according to the signal control vehicle of the light sensor in the car light subassembly, consequently make the manufacturing of vehicle simpler, also more pleasing to the eye, and car light subassembly's function is also abundanter.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a car light subassembly which characterized in that, includes car light source, light sensor and control circuit, control circuit with car light source and light sensor are connected, light sensor is used for detecting the entering light of light sensor to send the signal extremely control circuit, control circuit basis light sensor's signal control the opening and closing of car light source.
2. The lamp assembly of claim 1, further comprising a circuit board, wherein the control circuit is disposed on the circuit board, the control circuit comprises a controller, a power conversion circuit, a light sensor signal processing circuit and a lamp driving circuit, the power conversion circuit, the light sensor signal processing circuit and the lamp driving circuit are all connected to the controller, the light sensor signal processing circuit and the lamp driving circuit are connected to the power conversion circuit, a lamp assembly interface line for connecting to the main vehicle-mounted circuit is disposed on the circuit board, and the lamp assembly interface line is connected to the controller and the power conversion circuit.
3. The lamp assembly of claim 1, wherein the control circuit controls the lamp light source to emit light at a predetermined frequency and/or a predetermined waveform, the light sensor detects reflected light of the lamp light source reflected by an obstacle, the control circuit calculates a distance to the obstacle based on a time difference between an emission time of the emitted light and a reception time of the reflected light, and the predetermined frequency is greater than 100 HZ.
4. The lamp assembly of any one of claims 1 to 3 further comprising an outer housing, said lamp light source, light sensor and control circuitry being mounted within said outer housing; or the vehicle lamp assembly is a tail lamp assembly or a front lamp assembly.
5. The lamp assembly of claim 1 wherein said control circuit calculates a light intensity based on a signal from said light sensor and controls said lamp light source on and off based on said light intensity; or
The control circuit calculates the distance of an obstacle according to the signal of the optical sensor and controls the on and off of the light source of the car lamp according to the distance of the obstacle.
6. The lamp assembly of claim 5 wherein the control circuit includes a frequency modulation circuit and a frequency demodulation circuit, the frequency modulation circuit being coupled to the lamp light source and the frequency demodulation circuit being coupled to the light sensor.
7. The lamp assembly of claim 1 wherein the lamp assembly is a headlamp assembly comprising a high beam and a low beam, the control circuit being connected to the high beam and the low beam, the control circuit calculating the intensity of light based on the signal from the light sensor; when the light intensity is lower than a first threshold value, the control circuit controls the dipped headlight to be turned on; when the light intensity is lower than a second threshold value, the control circuit controls the high beam to be turned on, and the first threshold value is higher than the second threshold value.
8. The lamp assembly of claim 7 wherein the control circuit controls the high beam to turn off if the light sensor detects that the intensity of light is again above a second threshold after the high beam is turned on; and/or
After the dipped headlight is turned on, if the light sensor detects that the light intensity is higher than the first threshold value again, the control circuit controls the dipped headlight to be turned off.
9. The lamp assembly of claim 1, wherein the lamp assembly is a headlamp assembly including a high beam and a low beam, the control circuit is connected to the high beam and the low beam, and the control circuit calculates the distance to the obstacle based on the signal from the light sensor; when the distance between the obstacles is smaller than or equal to a preset value, the control circuit controls the high beam to be turned off; or
The car light subassembly is the rear of a vehicle lamp subassembly, the rear of a vehicle lamp subassembly includes the tail lamp, control circuit calculates the luminous intensity according to light sensor's signal, and when the luminous intensity was less than the third threshold value, control circuit control the tail lamp is opened.
10. A vehicle comprising a vehicle body and a lamp assembly mounted on the vehicle body, wherein the lamp assembly is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324460.8U CN209876773U (en) | 2019-03-14 | 2019-03-14 | Car light subassembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324460.8U CN209876773U (en) | 2019-03-14 | 2019-03-14 | Car light subassembly and vehicle |
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| Publication Number | Publication Date |
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| CN209876773U true CN209876773U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920324460.8U Active CN209876773U (en) | 2019-03-14 | 2019-03-14 | Car light subassembly and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231824A (en) * | 2020-01-14 | 2020-06-05 | 浙江金业汽车部件有限公司 | Breathing type car lamp control method and device, computer equipment and storage medium |
-
2019
- 2019-03-14 CN CN201920324460.8U patent/CN209876773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231824A (en) * | 2020-01-14 | 2020-06-05 | 浙江金业汽车部件有限公司 | Breathing type car lamp control method and device, computer equipment and storage medium |
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