Wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor
By introducing microwave sensing circuits and convex lens adjustable structures into the vehicle LED lights, the problem that existing vehicle LED lights cannot sense peripheral objects and light adjustment is solved, and the effect of safe start and flexible light adjustment is achieved.
Patent Information
- Application Number
- CN202421996402.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing vehicle-mounted LED lights cannot sense peripheral objects when they are started, and the lighting adjustment method can easily cause the reflector cup to loosen or fall off.
A wireless communication intelligent vehicle LED light based on microwave sensor was designed, and a microwave sensing circuit and a convex lens adjustable structure were added. The microwave sensing circuit can sense peripheral objects to avoid pedestrians or blockages during activation; the adjustable structure of the convex lens adjusts the position of the convex lens through a rotating mechanism to change the light output range.
It is possible to sense peripheral objects when the vehicle is started, avoid pedestrians or blockages during startup, and to adjust the position of the convex lens, conveniently change the light output range, and avoid the problem of loose or falling off of the reflective cup.
Smart Images
Figure CN222977986U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an in-vehicle LED lamp, in particular to a wireless communication intelligent in-vehicle LED lamp based on a microwave sensor. Background Art
[0002] In off-road vehicles, LED lamps are often installed on the roof luggage rack for lighting. The in-vehicle LED is installed on the roof bracket and is turned on for lighting when in use.
[0003] In the prior art, there are various structures for in-vehicle LED lamps installed on the roof luggage rack, such as downlights and spotlights. The existing spotlights do not have a microwave sensor circuit. A microwave sensor is a device that uses microwave characteristics to detect some physical quantities, including information such as the presence of an object, moving speed, distance, and angle. Since the existing in-vehicle LED spotlights do not have a microwave sensor circuit, when the off-road vehicle starts from a stationary state, it cannot sense whether there are any objects blocking around.
[0004] In the prior art, the lighting light adjustment method of the in-vehicle LED lamp installed on the roof luggage rack is to change the position of the reflector cup at the front end of the in-vehicle LED lamp for adjustment. Although this adjustment method can adjust the light, it is easy to cause the loosening of the reflector cup, and when the off-road vehicle is in motion, it is easy to make the reflector cup fall off.
[0005] Therefore, it is necessary to improve the existing in-vehicle LED lamp. Summary of the Utility Model
[0006] Aiming at the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a wireless communication intelligent in-vehicle LED lamp based on a microwave sensor. The purpose of designing this in-vehicle LED lamp is: one is to add a microwave sensor circuit so that the vehicle can sense whether there are people passing by during the process from stationary to starting, and the other is to be able to adjust the position of the convex lens to change the light output range.
[0007] To solve the above technical problem, the utility model is realized through the following solutions: A wireless communication intelligent in-vehicle LED lamp based on a microwave sensor of the utility model includes a lamp housing and an LED light source fixed inside the lamp housing. The wireless communication intelligent in-vehicle LED lamp further includes:
[0008] A convex lens moving mechanism movably installed inside the lamp housing, which is arranged in the light output direction of the LED light source and includes a convex lens assembly and a rotating mechanism capable of driving the convex lens assembly to move;
[0009] A circuit board arranged inside the lamp housing, and a microwave sensing circuit is provided on the circuit board.
[0010] Further, the lamp housing includes a front housing, a middle housing, and a rear housing;
[0011] After the light-emitting ends of the front shell and the middle shell are connected, a first sealing structure is provided at the connection part.
[0012] The light-incident end of the middle shell is connected to the rear shell, and a second sealing structure is provided at the connection part.
[0013] Furthermore, the connection end of the rear shell is a cylindrical structure. A plurality of linearly distributed holes are arranged at equal angles along the length direction of the cylinder, and an external thread is provided at the mouth of the cylinder.
[0014] The LED light source is installed in the rear shell and is located at the bottom end of the cylinder.
[0015] Furthermore, the rotation mechanism includes:
[0016] A guide sleeve, which is a columnar cup structure. A plurality of linearly distributed guide holes are arranged at equal angles on the cup body, and raised guide strips are provided on the outer sides of the linear guide holes. An opening capable of surrounding the LED light source is provided at the bottom surface of the guide sleeve. After the guide sleeve is placed into the cylinder and fixed, each guide strip slides into each linear hole one by one.
[0017] A rotating sleeve, which is a cylindrical structure with openings at both ends. It has a rotating part and a cylindrical part connected to the rotating part. A plurality of inclined sliding holes are provided on the wall surface of the cylindrical part. The rotating sleeve 6 is sleeved outside the cylinder of the rear shell and can rotate.
[0018] The convex lens assembly includes:
[0019] A bracket, the structure of which is that a plurality of cylinders pointing to the center of the circular bracket are arranged on the outer peripheral surface of a circular bracket. Each cylinder is placed into each sliding hole one by one and can move within the area of each linear guide hole one by one. By rotating the rotating sleeve, the bracket can be driven to move linearly.
[0020] A convex lens, which is fixed inside the circular bracket.
[0021] Further, the LED light source includes one of an LED lighting lamp and an LED atmosphere lamp.
[0022] Further, the wireless communication intelligent vehicle-mounted LED lamp further includes an angle adjustment assembly, which is connected to the lamp housing.
[0023] Further, the microwave sensing circuit includes a power divider U1, capacitors C2, C3, C4, C5, an NPN transistor Q2, an inductor L1, Schottky diodes D1, D2, resistors R2, R3, and R4. The power divider U1 has four pins. Two Schottky diodes are connected between its third and fourth pins. The positive terminals of the two Schottky diodes are connected together and grounded. Among them, the negative terminal of Schottky diode D2 is connected to the 3rd pin of the power divider U1, and the negative terminal of the other Schottky diode D1 is connected to the 4th pin of the power divider U1. The 4th pin of the power divider U1 is also connected to the first end of a resistor R4. The second end of the resistor R4 is connected to the intermediate frequency output terminal and the first end of a capacitor C4. The second end of the capacitor C4 is grounded;
[0024] The 2nd pin of the power divider U1 is connected to the microstrip antenna layer. Its 1st pin is connected to the first end of a capacitor C3. The second end of the capacitor C3 is connected to the base of the NPN transistor Q2 and the first end of a capacitor C5. The capacitor C5 is in parallel with a resistor R3;
[0025] The second end of the capacitor C5 is connected to the collector of the NPN transistor Q2 and the first end of an inductor L1. The emitter of the NPN transistor Q2 is grounded. The second end of the inductor L1 is connected to a mixer and the first end of a resistor R2. The second end of the resistor R2 is connected to a 5V power supply and is connected to the first end of a capacitor C2. The second end of the capacitor C2 is grounded.
[0026] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0027] 1. The vehicle-mounted LED lamp of the present utility model is provided with a convex lens adjustable structure. Adjusting the position of the convex lens can change the light-emitting range, and the operation is convenient.
[0028] 2. The vehicle-mounted LED lamp of the present utility model is provided with a microwave sensing circuit, which can sense surrounding objects and prevent the vehicle from starting when there are pedestrians or obstacles. Description of the Drawings
[0029] Figure 1 is an exploded view of the vehicle-mounted LED lamp of the present utility model.
[0030] Figure 2 is a circuit diagram of the microwave sensing circuit of the present utility model.
[0031] Reference numerals in the drawings: rear shell 1, screw 2, LED light source 3, guide sleeve 4, first sealing ring 5, rotating sleeve 6, second sealing ring 7, bracket 8, convex lens 9, middle shell 10, third sealing ring 11, plano-convex lens 12, front shell 13, first angle limiting member 14, second angle limiting member 15, threaded sleeve 16, double-threaded joint 17, first circular groove 101, linear hole 102, linear guide hole 401, sliding hole 601, second circular groove 602. Detailed implementation manners
[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention. Obviously, the embodiments described in the present invention are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.
[0033] In addition, the technical features involved in different implementation manners of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0034] Embodiment 1: The specific structure of the present invention is as follows:
[0035] Please refer to the attached Figure 1-2 , a wireless communication intelligent vehicle-mounted LED lamp based on a microwave sensor of the present invention includes a lamp housing and an LED light source 3 fixed in the lamp housing. The lamp housing includes a front shell 13, a middle shell 10, and a rear shell 1. The light-emitting ends of the front shell 13 and the middle shell 10 are connected, and a first sealing structure is provided at the connection. The light-entering end of the middle shell 10 is connected to the rear shell 1, and a second sealing structure is provided at the connection. The front shell 13 is a shell with an inclined opening, and its connecting end is circular. The first sealing structure is to provide a third sealing ring 11 at the connection between the front shell 13 and the middle shell 10. The second sealing structure is to provide a first sealing ring 5 at the connection between the light-entering end of the middle shell 10 and the rear shell 1. Specifically, two first circular grooves 101 are provided on the outer wall of the cylinder of the rear shell 1, and both first circular grooves 101 are sleeved with first sealing rings 5. After the light-entering end of the middle shell 10 is threadedly connected to the rear shell 1, the two first circular grooves 101 are pressed to form a sealing structure to achieve the purpose of waterproofing. A plano-convex lens 12 is provided at the connection between the front shell 13 and the middle shell 10.
[0036] The connecting end of the rear shell 1 is a cylindrical structure. A plurality of linearly distributed holes 102 are provided at equal angles along the length direction of the cylinder, and external threads are provided at the mouth of the cylinder for connecting the middle shell 10. The LED light source 3 is installed on the rear shell 1 and is located at the bottom end of the cylinder.
[0037] The wireless communication intelligent vehicle-mounted LED lamp further includes a convex lens moving mechanism and a circuit board. The convex lens moving mechanism is movably installed in the lamp housing. The convex lens moving mechanism is arranged in the light-emitting direction of the LED light source 3 and includes a convex lens assembly and a rotating mechanism capable of driving the convex lens assembly to move. A microwave sensing circuit is provided on the circuit board. The microwave sensing circuit is used to sense whether there are pedestrians or obstacles around the off-road vehicle.
[0038] The rotating mechanism includes a guide sleeve 4 and a rotating sleeve 6.
[0039] The guide sleeve 4 is a columnar cup structure. A plurality of linearly distributed guide holes 401 are provided at equal angles on the cup body, and raised guide strips are provided on the outer sides of the linear guide holes 401. An opening capable of surrounding the LED light source 3 is provided on the bottom surface of the guide sleeve 4. After the guide sleeve 4 is placed into the cylinder and fixed, the guide sleeve 4 is fixed to the rear shell 1 by screws 2, and each guide strip slides into each linear hole 102 one by one.
[0040] The rotating sleeve 6 is a cylindrical structure with openings at both ends, having a rotating part and a cylindrical part connected to the rotating part. A plurality of inclined sliding holes 601 are provided on the wall surface of the cylindrical part. The rotating sleeve 6 is sleeved outside the cylinder of the rear shell 1 and can rotate; two second circular grooves 602 are provided on the outer wall of the cylindrical part of the rotating sleeve 6, and a second sealing ring 7 is sleeved on the two second circular grooves 602. The second sealing ring 7 forms a sealed waterproof structure between the rotating sleeve 6 and the middle shell 10. The middle shell 10 is sleeved outside the cylindrical part of the rotating sleeve 6.
[0041] The convex lens assembly includes:
[0042] A bracket 8, the structure of which is that a plurality of cylinders pointing to the center of the circular bracket are provided on the outer peripheral surface of a circular bracket. Each cylinder is inserted into each sliding hole 601 one by one and can move within the area of each linear guide hole 401. By rotating the rotating sleeve 6, the bracket 8 can be driven to move linearly;
[0043] A convex lens 9, fixed inside the circular bracket.
[0044] When rotating the rotating part of the rotating sleeve 6, the sliding hole 601 thereon will exert a force on the cylinder on the bracket 8. After the bracket 8 is stressed, it will move linearly along the linear guiding hole 401. Furthermore, the bracket 8 drives the entire convex lens assembly to move, and the distance between the convex lens 9 and the LED light source 3 is adjusted by the movement of the convex lens assembly, thereby adjusting the light-emitting range of the LED vehicle-mounted LED lamp of the present invention.
[0045] Embodiment 2:
[0046] The LED light source 3 of the present invention includes one of an LED lighting lamp and an LED atmosphere lamp. The LED lighting lamp is used for lighting, and the LED atmosphere lamp emits dazzling light to enhance the atmosphere of the surrounding environment. In addition, the LED lighting lamp and the LED atmosphere lamp can also be integrated on an LED lamp board.
[0047] Embodiment 3:
[0048] The wireless communication intelligent vehicle-mounted LED lamp further includes an angle adjustment assembly, and the angle adjustment assembly is connected to the lamp housing. The angle adjustment assembly includes a first angle limiting member 14, a second angle limiting member 15, a threaded sleeve 16, and a double-threaded joint 17. The relative connecting surfaces of the first angle limiting member 14 and the second angle limiting member 15 are both provided with convex teeth distributed in a circumferential array, and the convex teeth on the two relative connecting surfaces are engaged. The first angle limiting member 14 and the second angle limiting member 15 are connected by bolts and nuts. The first angle limiting member 14 is fixed to the rear shell 1 and can be oriented after the first angle limiting member 14 rotates. The threaded sleeve 16 is rotatably sleeved on the second angle limiting member 15 so that the second angle limiting member 15 can rotate circumferentially. One end of the double-threaded joint 17 is threadedly connected to the threaded sleeve 16, and the other end is connected to the roof luggage rack.
[0049] Embodiment 4:
[0050] The microwave sensing circuit includes a power divider U1, capacitors C2, C3, C4, C5, an NPN transistor Q2, an inductor L1, Schottky diodes D1, D2, resistors R2, R3, and R4. The power divider U1 has four pins. Between its third and fourth pins, two Schottky diodes are connected. The positive terminals of the two Schottky diodes are connected together and grounded. Among them, the negative terminal of Schottky diode D2 is connected to the 3rd pin of the power divider U1, and the negative terminal of the other Schottky diode D1 is connected to the 4th pin of the power divider U1. The 4th pin of the power divider U1 is also connected to the first end of resistor R4. The second end of resistor R4 is connected to the intermediate frequency output terminal and the first end of capacitor C4. The second end of capacitor C4 is grounded; the 2nd pin of the power divider U1 is connected to the microstrip antenna layer, and its 1st pin is connected to the first end of a capacitor C3. The second end of capacitor C3 is connected to the base of NPN transistor Q2 and the first end of capacitor C5. A resistor R3 is connected in parallel with capacitor C5; the second end of capacitor C5 is connected to the collector of NPN transistor Q2 and the first end of inductor L1. The emitter of NPN transistor Q2 is grounded. The second end of inductor L1 is connected to the mixer and the first end of resistor R2. The second end of resistor R2 is connected to the 5V power supply and is connected to the first end of capacitor C2. The second end of capacitor C2 is grounded. As Figure 2 shown, IF out is the intermediate frequency output terminal, and To antenna is the port connected to the antenna. The power divider U1 is a bridge circuit. The mixer is connected to the power divider, and the mixer circuit is connected to the filter circuit to output a signal.
[0051] In summary, the vehicle-mounted LED lamp of the present invention adds a convex lens adjustable structure. Adjusting the position of the convex lens can change the light-emitting range, and the operation is convenient. A microwave sensing circuit is provided in the vehicle-mounted LED lamp of the present invention. The microwave sensing circuit can sense surrounding objects and prevent the vehicle from starting when there are pedestrians or obstacles.
[0052] The above is only the preferred embodiment of the present invention, and it does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.
Claims
1. A wireless communication intelligent vehicle-mounted LED lamp based on a microwave sensor, comprising a lamp housing and an LED light source (3) fixed in the lamp housing, characterized in that: The wireless communication intelligent vehicle-mounted LED lamp also includes: A convex lens movable mechanism movably installed in the lamp housing, the convex lens movable mechanism being arranged in the light emitting direction of the LED light source (3), and comprising a convex lens assembly and a rotating mechanism capable of driving the convex lens assembly to move; A circuit board is arranged in the lamp housing, and a microwave sensor circuit is arranged on the circuit board.
2. According to claim 1, a wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor is characterized in that: The lamp housing comprises a front housing (13), a middle housing (10) and a rear housing (1); After the light-emitting ends of the front shell (13) and the middle shell (10) are connected, a first sealing structure is provided at the connection; The light-incoming end of the middle shell (10) is connected to the rear shell (1), and a second sealing structure is provided at the connection point.
3. The wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor according to claim 2 is characterized in that: The connecting end of the rear shell (1) is a cylindrical structure, a plurality of linear holes (102) distributed at equal angles are opened in the length direction of the cylindrical structure, and the mouth of the cylindrical structure is provided with external threads; The LED light source (3) is mounted on the rear shell (1) and is located at the bottom end of the cylinder.
4. The wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor according to claim 3 is characterized in that: The rotating mechanism comprises: A guide sleeve (4), the guide sleeve (4) being a columnar cup structure, the cup body of which is provided with a plurality of linear guide holes (401) distributed at equal angles, and the outer side of each linear guide hole (401) is provided with a raised guide strip, the bottom surface of the guide sleeve (4) is provided with an opening capable of encircling the LED light source (3), the guide sleeve (4) is placed in the cylinder body and fixed, and each guide strip slides into each linear hole (102) in a one-to-one correspondence; A rotating sleeve (6), the rotating sleeve (6) having a cylindrical structure with openings at both ends, comprising a rotating portion and a cylindrical portion connected to the rotating portion, the wall surface of the cylindrical portion being provided with a plurality of inclined sliding holes (601), the rotating sleeve (6) being sleeved on the cylindrical body of the rear shell (1) and being rotatable; The convex lens assembly comprises: A bracket (8), the structure of which is that a plurality of cylinders pointing to the center of the circular bracket are arranged on the outer circumference of a circular bracket, each cylinder is inserted into each sliding hole (601) one by one and each cylinder moves one by one in the area of each linear guide hole (401), and the bracket (8) can be driven to perform linear motion by rotating the rotating sleeve (6); A convex lens (9) is fixed in the circular bracket.
5. The wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor according to claim 1, characterized in that: The LED light source (3) comprises a LED lighting lamp or an LED atmosphere lamp.
6. The wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor according to claim 1, characterized in that: The wireless communication intelligent vehicle-mounted LED lamp also includes an angle adjustment component, which is connected to the lamp housing.
7. The wireless communication intelligent vehicle-mounted LED lamp based on microwave sensor according to claim 1, characterized in that: The microwave sensor circuit includes a power divider U1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, an NPN transistor Q2, an inductor L1, a Schottky diode D1, a Schottky diode D2, a resistor R2, a resistor R3 and a resistor R4, wherein the power divider U1 is provided with four pins, two Schottky diodes are connected between the third pin and the fourth pin, the positive ends of the two Schottky diodes are connected to ground, wherein the negative end of the Schottky diode D2 is connected to the No. 3 pin of the power divider U1, the negative pole of another Schottky diode D1 is connected to the No. 4 pin of the power divider U1, the No. 4 pin of the power divider U1 is also connected to the first end of the resistor R4, the second end of the resistor R4 is connected to the intermediate frequency output end and the first end of the capacitor C4, and the second end of the capacitor C4 is grounded; Pin No. 2 of the power divider U1 is connected to the microstrip antenna layer, and pin No. 1 thereof is connected to the first end of a capacitor C3, the second end of the capacitor C3 is connected to the base of the NPN transistor Q2 and the first end of the capacitor C5, and the capacitor C5 is connected in parallel with a resistor R3; The second end of the capacitor C5 is connected to the collector of the NPN transistor Q2 and the first end of the inductor L1, the emitter of the NPN transistor Q2 is grounded, the second end of the inductor L1 is connected to the mixer and the first end of the resistor R2, the second end of the resistor R2 is connected to a 5V power supply and connected to the first end of the capacitor C2, and the second end of the capacitor C2 is grounded.