Bicycle tail lamp

Abstract

The utility model discloses a bicycle tail lamp which comprises an outer shell, a storage battery, a main control circuit board and a light source assembly. The outer shell is divided into a first accommodating cavity, a second accommodating cavity and a mounting groove which are sequentially arranged by a first partition plate and a second partition plate, the storage battery is assembled in the first accommodating cavity, and the main control circuit board is assembled in the second accommodating cavity; the light source assembly is assembled in the mounting groove and comprises a lamp bead driving plate and a lampshade, the lamp bead driving plate is connected to the second partition plate, and the lampshade covers the lamp bead driving plate; a plurality of LED lamp units which are arranged in an array of M rows and N columns are packaged on the lamp bead driving plate, each LED lamp unit comprises a white light LED lamp, a red light LED lamp and a yellow light LED lamp which are sequentially arranged, the LED lamps of different colors can be independently driven, and M and N are respectively integers more than 2. According to the bicycle tail lamp, the light emitting color matched with the current riding scene can be selected according to the actual riding scene, and the safety warning effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycle lights, and in particular relates to a bicycle taillight. Background Art

[0002] With the development of society, more and more people use bicycles as fitness equipment for cycling exercise and bicycle tours. Bicycle taillights are luminous lamps installed on the rear of the bicycle. Traditional taillights are reflectors. They do not emit light by themselves, but through optical principles, they reflect light as a warning when illuminated at night. Today's bicycle taillights usually use dry batteries, lithium batteries or button batteries as power sources, and LED lights as light sources, which actively emit light for safety warnings to achieve the purpose of safe riding. Existing bicycle taillights with LED lights as light sources can only emit fixed-color light and cannot change the luminous color according to the actual riding scene (such as daytime riding, night riding, or riding in rainy and foggy weather, etc.). The safety warning effect needs to be improved. Utility Model Content

[0003] In view of this, an object of the present invention is to provide a bicycle taillight that can change the luminous color according to the actual riding scene.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A bicycle taillight comprises an outer shell, a battery, a main control circuit board, and a light source assembly; the outer shell is divided into a first accommodating chamber and a second accommodating chamber in sequence by a first partition and a second partition, and a mounting groove exposed from the rear side of the outer shell; the battery is mounted in the first accommodating chamber, the main control circuit board is mounted in the second accommodating chamber and is electrically connected to the battery; the light source assembly is mounted in the mounting groove, and the light source assembly comprises a lamp bead driving board and a lampshade; the lamp bead driving board is connected to the second partition and is electrically connected to the main control circuit board; the lampshade is arranged on the lamp bead driving board;

[0006] Among them, the lamp bead driver board is encapsulated with multiple LED lamp units arranged in an M row × N column array, and the LED lamp units include white light LED lamps, red light LED lamps and yellow light LED lamps arranged in sequence, and LED lamps of different colors can be driven independently, and M and N are integers greater than 2 respectively.

[0007] Preferably, the second partition includes a planar portion parallel to the first partition and an arcuate portion connected to both ends of the planar portion and bent toward the first partition, and the lamp bead driving board and the lampshade have a shape corresponding to the second partition.

[0008] Preferably, the bicycle taillight also includes a charging cable and a charging plug for charging external electronic devices; a connecting hole, a plug hole and a receiving groove are provided on the side wall of the outer shell, the connecting hole is connected to the first receiving cavity on the right side of the outer shell, the plug hole is connected to the second receiving cavity on the left side of the outer shell, and the receiving groove extends from the connecting hole through the right side, front side and left side of the outer shell to be connected to the plug hole; the charging cable is embedded in the receiving groove, the first end of the charging cable is electrically connected to the main control circuit board through the connecting hole, and the charging plug is connected to the second end of the charging cable and inserted into the plug hole.

[0009] Preferably, a female socket adapted to the shape of the charging plug is provided in the second accommodating cavity, and the charging plug is inserted into the female socket.

[0010] Preferably, a power connector is connected to the main control circuit board, and a charging window is provided on the side wall of the right side of the outer shell at a position corresponding to the power connector to expose the power connector, and the charging window is equipped with a waterproof pad covering the power connector.

[0011] Preferably, limit blocks are respectively provided on the left and right inner walls of the first accommodating cavity, and the battery is confined between the two limit blocks.

[0012] Preferably, the first partition is provided with an escape hole for the power supply connection line to pass through.

[0013] Preferably, the upper side of the outer shell is provided with a switch button connected to the main control circuit board and a connecting female buckle; the lower side of the outer shell is provided with a connecting male buckle.

[0014] The bicycle taillight provided by the embodiment of the present invention has a light source assembly in which a lamp bead driver board is encapsulated with a plurality of LED lamp units arranged in an M-row × N-column array. The LED lamp units include a white light LED lamp, a red light LED lamp, and a yellow light LED lamp arranged in sequence, and LED lamps of different colors can be driven independently. The light source assembly can emit light of different colors by controlling the light emission of the white light LED lamp, the red light LED lamp, or the yellow light LED lamp. In this way, the light emission color that matches the current riding scene can be selected according to the actual riding scene, thereby improving the safety warning effect.

[0015] Furthermore, the outer shell is divided into a first accommodating chamber, a second accommodating chamber and an installation groove in sequence by a first partition and a second partition. The battery is assembled in the first accommodating chamber, and the light source assembly is assembled in the installation groove. Since the first accommodating chamber and the installation groove are isolated from each other by the second accommodating chamber, the heat emitted by the light source assembly can be reduced and conducted to the battery, thereby improving the safety performance of the car lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of a bicycle taillight in an embodiment of the present utility model;

[0017] Figure 2 is a three-dimensional diagram of a bicycle taillight in an embodiment of the present invention from another perspective;

[0018] Figure 3 This is a schematic structural diagram of a bicycle taillight in an embodiment of the present invention after the outer shell is removed;

[0019] Figure 4 is a cross-sectional view of the outer shell in an embodiment of the present utility model;

[0020] Figure 5 is a cross-sectional view of a bicycle taillight in an embodiment of the present utility model;

[0021] Figure 6 This is a structural diagram of the outer shell in an embodiment of the present utility model;

[0022] Figure 7 This is a structural diagram of the outer shell in another perspective of the embodiment of the utility model;

[0023] Figure 8 This is a diagram illustrating the arrangement structure of the LED light string on the lamp bead driver board in an embodiment of the present utility model. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of the present invention more apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the present invention shown in and described with reference to the accompanying drawings are merely exemplary, and the present invention is not limited to these embodiments.

[0025] It should be noted that the same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0026] It should also be noted here that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the solution according to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0027] The utility model provides a bicycle taillight. Figures 1 to 8 The bicycle taillight mainly includes an outer shell 10, a battery 20, a main control circuit board 30, and a light source assembly 40. A first partition 50 and a second partition 60 are provided within the outer shell 10. The first partition 50 and the second partition 60 divide the outer shell 10 into a first accommodating cavity 11, a second accommodating cavity 12, and a mounting slot 13 exposed from the rear side 10a of the outer shell 10. The battery 20 is mounted in the first accommodating cavity 11, the main control circuit board 30 is mounted in the second accommodating cavity 12 and is electrically connected to the battery 20, and the light source assembly 40 is mounted in the mounting slot 13 and is electrically connected to the main control circuit board 30.

[0028] In a specific solution, limit blocks 14 are respectively provided on the left and right inner walls of the first accommodating cavity 11 , and the battery 20 is confined between the two limit blocks 14 .

[0029] In a specific embodiment, the main control circuit board 30 is connected to the battery 20 via an electrical connection line (not shown in the drawings) in the second accommodating cavity 12. The first partition 50 is provided with an escape hole 51 for the electrical connection line to pass through.

[0030] In a specific embodiment, a power connector 31 is connected to the main control circuit board 30. A charging window is provided on the sidewall of the right side 10b of the outer shell 10 at a position corresponding to the power connector 31 to expose the power connector 31. The charging window is equipped with a waterproof pad 32 that covers the power connector 31. The power connector 31 is configured to connect to an external power source to charge the battery 20. The power connector 31 is preferably a Type-C connector.

[0031] In a specific solution, the light source assembly 40 includes a lamp bead driving board 41 and a lampshade 42. The lamp bead driving board 41 is connected to the second partition 60 and electrically connected to the main control circuit board 30. The lampshade 42 is covered on the lamp bead driving board 41. The lampshade 42 seals the opening of the mounting groove 13.

[0032] The lamp bead driving board 41 is encapsulated with a plurality of LED lamp units 41a arranged in an array of M rows × N columns. The LED lamp units 41a include a white light LED lamp 43, a red light LED lamp 44 and a yellow light LED lamp 45 arranged in sequence, and LED lamps of different colors can be driven independently. M and N are integers greater than 2. In this embodiment, Figure 8 The LED driver board 41 is packaged with LED lamp units 41a arranged in 4 rows x 12 columns, i.e., M = 4, N = 12. Furthermore, in this embodiment, the LED lamps of each color in each LED lamp unit 41a are arranged in the order of white, red, and yellow from top to bottom in the column direction. In other embodiments, the LED lamps of each color may also be arranged in the order of red, yellow, and white, or yellow, red, and white.

[0033] In the bicycle taillight provided in the above embodiment, the light source assembly 40 includes a lamp driver board 41 encapsulated with an array of LED lamp units 41a, and the white light LED lamps 43, red light LED lamps 44, and yellow light LED lamps 45 in the LED lamp unit 41a can be driven independently. The light source assembly 40 can emit light of different colors by controlling the white light LED lamps 43, red light LED lamps 44, or yellow light LED lamps 45. This allows the user to select a light color that matches the actual riding scene (e.g., daytime riding, nighttime riding, or riding in rainy or foggy weather), thereby enhancing the safety warning effect. It should be noted that a physical switch button with multiple switch positions can be provided on the main control circuit board 30 to control the light color of the light source assembly 40; or a Bluetooth communication module can be provided on the main control circuit board 30 to connect to a cycling app via the Bluetooth communication module, so that the rider can control the light color of the light source assembly 40 on the cycling app.

[0034] Furthermore, in the bicycle taillight as described above, the outer shell 10 is divided into a first accommodating chamber 11, a second accommodating chamber 12 and a mounting groove 13 which are arranged in sequence by a first partition 50 and a second partition 60. The battery 20 is assembled in the first accommodating chamber 11, and the light source assembly 40 is assembled in the mounting groove 13. Since the first accommodating chamber 11 and the mounting groove 13 are isolated from each other by the second accommodating chamber 12, the heat emitted by the light source assembly 40 can be reduced from being conducted to the battery 20, thereby improving the safety performance of the lamp.

[0035] In this embodiment, as a preferred solution, the second partition 60 includes a flat portion 61 parallel to the first partition 50 and an arc portion 62 connected to both ends of the flat portion 61 and bent toward the first partition 50. The lamp bead driving board 41 and the lampshade 42 have a shape corresponding to the second partition 50. Based on the above-mentioned shape structure of the second partition 60, the lamp bead driving board 41 and the lampshade 42, on the one hand, the area of ​​the lamp bead driving board 41 can be increased to encapsulate more LED light strings and increase the light-emitting area. On the other hand, the lampshade 42 can also better seal the opening of the installation groove 13, thereby protecting the lamp bead driving board 41 in the installation groove 13 and the LED lights encapsulated on the lamp bead driving board 41.

[0036] In this embodiment, as a preferred solution, the bicycle taillight also includes a charging cable 70 and a charging plug 80 for charging external electronic devices. The sidewall of the outer shell 10 is provided with a connection hole 15, a plug hole 16, and a receiving slot 17. The connection hole 15 connects to the first receiving chamber 11 on the right side 10b of the outer shell, and the plug hole 16 connects to the second receiving chamber 12 on the left side 10c of the outer shell 10. The receiving slot 17 extends from the connection hole 15 through the right side 10b, front side 10d, and left side 10c of the outer shell 10 to connect to the plug hole 16. The charging cable 70 is embedded in the receiving slot 17. The first end of the charging cable 70 passes through the connection hole 15 and is electrically connected to the main control circuit board 30. The charging plug 80 is connected to the second end of the charging cable 70 and inserted into the plug hole 16. The charging plug 80 is preferably a Type-C plug.

[0037] By providing a charging cable 70 and a charging plug 80 for charging external electronic devices, the bicycle taillight can serve as a mobile power source for emergency charging of electronic devices (such as smartphones, smartwatches, and headphones) when they run out of power during riding, reducing unnecessary hassles for the rider. Furthermore, the charging cable 70 is embedded in a receiving groove 17 on the side wall of the outer shell 10, and the charging plug 80 is received in the second receiving cavity 12 through the insertion hole 17. This bicycle taillight has the advantages of being compact and portable.

[0038] In a specific solution, a female socket 121 adapted to the shape of the charging plug 80 is provided in the second accommodating cavity 12 , and the charging plug 80 is inserted into the female socket 121 through the plug hole 16 .

[0039] In this embodiment, the upper side 10e of the outer shell 10 is provided with a switch button 33 connected to the main control circuit board 30 and a connecting female buckle 18. The lower side 10f of the outer shell 10 is provided with a connecting male buckle 19.

[0040] In summary, the bicycle taillight provided by the embodiment of the present invention can, on the one hand, select the luminous color that matches the current riding scene according to the actual riding scene, thereby improving the safety warning effect; on the other hand, it can reduce the heat emitted by the light source from being conducted to the battery, thereby improving safety; further, the bicycle taillight can also be used as a mobile power supply to provide emergency charging for external electronic devices, thereby reducing some unnecessary troubles that may occur to the rider during the riding process.

[0041] The above is only a specific implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A bicycle taillight, characterized in that: The light source assembly comprises an outer shell, a battery, a main control circuit board and a light source assembly; the outer shell is divided into a first accommodating chamber, a second accommodating chamber and a mounting groove exposed from the rear side of the outer shell by a first partition and a second partition, the battery is assembled in the first accommodating chamber, the main control circuit board is assembled in the second accommodating chamber and is electrically connected to the battery; the light source assembly is assembled in the mounting groove, the light source assembly comprises a lamp bead driving board and a lampshade, the lamp bead driving board is connected to the second partition and is electrically connected to the main control circuit board, and the lampshade is covered on the lamp bead driving board; Among them, the lamp bead driver board is encapsulated with multiple LED lamp units arranged in an M row × N column array, and the LED lamp units include white light LED lamps, red light LED lamps and yellow light LED lamps arranged in sequence, and LED lamps of different colors can be driven independently, and M and N are integers greater than 2 respectively.

2. The bicycle taillight according to claim 1, characterized in that: The second partition includes a plane portion parallel to the first partition and an arc portion connected to both ends of the plane portion and bent toward the first partition. The lamp bead driving board and the lampshade have shapes corresponding to the second partition.

3. The bicycle taillight according to claim 1, characterized in that: The bicycle taillight also includes a charging cable and a charging plug for charging external electronic devices; a connecting hole, a plug-in hole and a receiving groove are provided on the side wall of the outer shell, the connecting hole is connected to the first receiving cavity on the right side of the outer shell, the plug-in hole is connected to the second receiving cavity on the left side of the outer shell, and the receiving groove extends from the connecting hole through the right side, front side and left side of the outer shell to be connected to the plug-in hole; the charging cable is embedded in the receiving groove, the first end of the charging cable passes through the connecting hole and is electrically connected to the main control circuit board, and the charging plug is connected to the second end of the charging cable and is inserted into the plug-in hole.

4. The bicycle taillight according to claim 3, characterized in that: A female socket that matches the shape of the charging plug is provided in the second accommodating cavity, and the charging plug is inserted into the female socket.

5. The bicycle taillight according to claim 1, characterized in that: A power connector is connected to the main control circuit board, and a charging window is provided on the side wall of the right side of the outer shell at a position corresponding to the power connector to expose the power connector, and the charging window is equipped with a waterproof pad covering the power connector.

6. The bicycle taillight according to claim 1, characterized in that Limiting blocks are respectively provided on the left and right inner walls of the first accommodating cavity, and the battery is confined between the two limiting blocks.

7. The bicycle taillight according to claim 1, characterized in that: The first partition is provided with an escape hole for the power supply connection line to pass through.

8. The bicycle taillight according to any one of claims 1 to 7, characterized in that: The upper side of the outer shell is provided with a switch button connected to the main control circuit board and a connecting female buckle; the lower side of the outer shell is provided with a connecting male buckle.

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