Photovoltaic traffic signal lamp

Abstract

The utility model discloses a photovoltaic traffic signal lamp, which comprises a lamp post and a signal lamp group, the signal lamp group comprises a lamp box, and signal lamps are arranged on the front surface of the lamp box; the photovoltaic assembly rotates at the top of the lamp box, and the driving assembly drives the photovoltaic assembly to rotate so as to adjust the amount of sunlight irradiated on the front face and the back face of the lamp box. According to the photovoltaic traffic signal lamp, the driving assembly drives the photovoltaic assembly to rotate, so that the photovoltaic generating capacity is improved for the signal lamp to use, and energy is saved; the situation that pedestrians and drivers on the road cannot observe the knowledge condition of the signal lamp easily under the intense illumination condition is avoided, and therefore road traffic safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic traffic, in particular to a photovoltaic traffic signal lamp. Background Art

[0002] Traffic lights are lights that direct traffic using three colors of light. They are one of the important infrastructures in urban traffic management. Most traffic lights are powered by mains electricity, which wastes energy and is not conducive to the construction of an energy-saving society.

[0003] To this end, Chinese patent documents CN116403424 and CN206147951U disclose different types of photovoltaic traffic lights. By installing a solar photovoltaic power generation component on the top of the signal light and using a drive component to rotate the solar panel, the angle of the solar panel is adjusted to face the sunlight, thereby increasing the photovoltaic power generation for use in the signal light and improving the energy saving effect.

[0004] When the aforementioned photovoltaic traffic lights are in use, when the sun is strong and in front of the lights, the light indicators on the traffic lights have limited brightness, making it difficult for pedestrians and drivers on the road to clearly see the light status of the lights. Furthermore, when the sun is strong and behind the lights, the excessive light intensity can easily cause pedestrians and drivers to be dazzled by the strong sunlight. In both cases, i.e., when the sun is strong, regardless of whether it is in front of or behind the lights, it is difficult for pedestrians and drivers on the road to clearly see the lights' indications, thus impairing traffic safety.

[0005] Therefore, it is necessary to improve the photovoltaic traffic lights in the prior art. Utility Model Content

[0006] The purpose of the utility model is to overcome the defects in the prior art and provide a photovoltaic traffic signal light that is easy to see and indicate.

[0007] To achieve the above technical effects, the technical solution of the present utility model is: a photovoltaic traffic signal light, comprising:

[0008] A light pole and a signal light assembly, the signal light assembly comprising a horizontal light box, a signal light disposed on the front of the light box, a controller and a battery disposed within the light box, both electrically connected to the signal light, the light box being fixedly connected to the top end of the light pole, and the bottom end of the light pole being fixedly connected to the ground;

[0009] A photovoltaic assembly and a driving assembly, wherein the photovoltaic assembly rotates on the top of the light box and the axis of rotation is parallel to the length direction of the light box, the driving assembly is arranged between the photovoltaic assembly and the light box and is electrically connected to the controller, and the driving assembly drives the photovoltaic assembly to rotate to adjust the amount of sunlight irradiated on the front and back of the light box.

[0010] Preferably, in order to achieve shading on the front and back of the light box, the photovoltaic assembly includes a photovoltaic frame and a photovoltaic unit with the light-receiving surface facing upward, the photovoltaic frame rotates on the top of the light box, the photovoltaic unit is fixed on the photovoltaic frame and electrically connected to the battery, there are at least two photovoltaic units, and at least two photovoltaic units are arranged above both sides of the light box to respectively block sunlight shining on the front and back of the light box.

[0011] Preferably, in order to facilitate photovoltaic power generation and energy storage even in a weak light environment, the photovoltaic cells in the photovoltaic unit are HJT cells.

[0012] Preferably, in order to increase the power generation of the photovoltaic unit, the photovoltaic rack is provided with light-transmitting openings corresponding one to one with the photovoltaic units, and the light-transmitting openings face the light-receiving surface and the backlight surface of the photovoltaic unit.

[0013] Preferably, in order to reduce energy consumption for driving the photovoltaic assembly to rotate, the photovoltaic assembly is of a mirror-symmetrical structure, and the axis of the rotation axis of the photovoltaic assembly is located on the mirror-symmetrical plane of the photovoltaic assembly.

[0014] Preferably, in order to be able to drive the photovoltaic assembly to rotate, the driving assembly includes a telescopic unit, and two ends of the telescopic unit are respectively connected to the light box and the photovoltaic rack.

[0015] Preferably, in order to accurately control the rotation angle of the photovoltaic component and thus accurately control the amount of shading on the front and back of the light box, the telescopic unit includes a drive motor, a screw rod and a screw sleeve. The drive motor is rotatably connected to the light box, and the output end is fixedly connected to the coaxial centerline of the screw rod. The screw sleeve is threadedly connected to the screw rod and is rotatably connected to the photovoltaic frame.

[0016] Preferably, in order to extend the service life of the telescopic unit and ensure stable telescopic movement of the telescopic unit, the telescopic unit also includes a sealing sleeve, which is arranged on the outside of the screw rod and the circumferential inner wall is sealed with the circumferential outer edge of the screw sleeve. The sealing sleeve is fixedly connected to the drive motor, and the sealing sleeve, the drive motor and the screw sleeve enclose a sealed cavity surrounding the screw rod.

[0017] Preferably, in order to detect the amount of sunlight originating from above the front side, above the rear side and directly above the light box, a detection component is further provided on the lamp pole, and the detection component is used to detect the light intensity above the front side, above the rear side and directly above the light box.

[0018] Preferably, in order to realize the front side of the sunlight intensity in various directions, the detection component is arranged at one end of the light box, and the detection component includes a detection frame fixed on the lamp pole and at least three photosensors arranged on the detection frame.

[0019] To sum up, compared with the existing technology, the photovoltaic traffic light of the present invention drives the photovoltaic assembly to rotate through the driving assembly, thereby increasing the photovoltaic power generation for the signal light to achieve energy saving. At the same time, the rotating photovoltaic assembly can block part of the sunlight from shining on the front and back of the sunlight, avoiding the situation where pedestrians and drivers on the road find it difficult to observe the traffic light under strong light conditions. This is conducive to ensuring road traffic safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 yes Figure 1 Front view of

[0022] Figure 3 yes Figure 1 Side view of

[0023] Figure 4 yes Figure 1 Explosion diagram of

[0024] Figure 5 It is a structural diagram of the drive assembly of the utility model;

[0025] Figure 6 yes Figure 5 Explosion diagram of

[0026] In the figure: 1. Lamp pole; 11. Base; 12. Vertical pole; 13. Horizontal pole; 2. Signal light group; 21. Light box; 22. Signal light; 23. Rotating seat; 3. Photovoltaic module; 31. Photovoltaic rack; 311. Light port; 32. Photovoltaic unit; 4. Drive assembly; 41. Telescopic unit; 411. Drive motor; 412. Screw rod; 413. Screw sleeve; 414. Sealing sleeve; 42. First connecting seat; 43. Second connecting seat; 5. Detection assembly; 51. Detection rack; 52. Photosensor. DETAILED DESCRIPTION

[0027] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0028] like Figures 1-6 As shown, the photovoltaic traffic signal light of the present invention includes:

[0029] A light pole 1 and a signal light assembly 2, wherein the signal light assembly 2 includes a horizontal light box 21, a signal light 22 is provided on the front of the light box 21, and a controller and a battery are provided in the light box 21, both of which are electrically connected to the signal light 22. The light box 21 is fixedly connected to the top of the light pole 1, and the bottom of the light pole 1 is fixedly connected to the ground;

[0030] The photovoltaic component 3 and the driving component 4, the photovoltaic component 3 rotates on the top of the light box 21 and the rotation axis is parallel to the length direction of the light box 21, the driving component 4 is arranged between the photovoltaic component 3 and the light box 21 and is electrically connected to the controller, and the driving component 4 drives the photovoltaic component 3 to rotate to adjust the amount of sunlight irradiated on the front and back of the light box 21.

[0031] Specifically, in the present invention, the lamp pole 1 includes a base 11, a vertical rod 12 and a horizontal rod 13 that are integrally connected in sequence, wherein the base 11 can be fixedly installed on the ground by pre-buried bolts and other fasteners, the vertical rod 12 and the horizontal rod 13 extend in the vertical direction and the horizontal direction respectively, and the two are integrally connected in an L shape, and the end of the horizontal rod 13 away from the vertical rod 12 is fixedly connected to the light box 21, and the light box 21 is a rectangular parallelepiped, and its length direction is consistent with the length direction of the horizontal rod 13; the front of the light box 21 is provided with three signal lights 22 distributed at equal intervals along its length direction, and the three signal lights 22 are red, green and yellow lights respectively, and a controller and a battery (not shown in the figure) are provided in the light box 21, and a photovoltaic module 3 is provided above the light box 21. The photovoltaic module 3 is used to generate photovoltaic power during the day and transmit electrical energy to the battery. The battery is used to power the three signal lights 22, and the controller is used to control the brightness of the signal lights 22.

[0032] Unlike the prior art, in the present invention, the driving component 4 drives the photovoltaic component 3 to rotate so that the photovoltaic component 3 faces the sunlight, thereby increasing the power generation. At the same time, the photovoltaic component 3 can also block the sunlight shining on the front and back of the light box 21. The shading amount is adjusted according to the different rotation angles of the photovoltaic component 3 to avoid the situation where the sunlight is too strong and it is not conducive to pedestrians and drivers on the road to observe the brightness of the signal light 22 on the light box 21. In this way, partial shading is performed by the photovoltaic component 3, which makes it convenient for pedestrians and drivers to observe the signal light 22, thereby benefiting traffic safety.

[0033] A further improvement is that the photovoltaic assembly 3 includes a photovoltaic frame 31 and a photovoltaic unit 32 with the light-receiving surface facing upward. The photovoltaic frame 31 rotates on the top of the light box 21. The photovoltaic unit 32 is fixed on the photovoltaic frame 31 and electrically connected to the battery. There are at least two photovoltaic units 32, and at least two photovoltaic units 32 are located above both sides of the light box 21 to respectively block sunlight shining on the front and back of the light box 21.

[0034] Specifically, rotating seats 23 are fixedly connected to both ends of the top surface of the light box 21, and the bottoms of both ends of the photovoltaic frame 31 are rotatably connected to the two rotating seats 23, so that the rotating seats 23 can be easily rotated on the light box 21 and the rotation axis is parallel to the length direction of the light box 21. The photovoltaic assembly 3 includes three photovoltaic units 32 connected in sequence, and the three photovoltaic units 32 are respectively located above the front side, directly above and above the rear side of the light box 21. The use of three photovoltaic units 32 can not only greatly increase the amount of sunlight received and improve the storage capacity of the battery, but also partially block the sunlight above the front side, directly above and above the rear side of the light box 21. Specifically, when in use, when the sun is located in front of the light box 21, the driving assembly 4 drives the photovoltaic assembly 3 to rotate to the front side, increase the amount of shading on the front side, reduce the sunlight irradiated on the front of the light box 21, and ensure that the signal light 22 on the front of the light box 21 can be clearly displayed. When the sun is located on the rear side of the light box 21, the driving assembly 4 drives the photovoltaic assembly 3 to rotate to the rear side, thereby blocking the sunlight from directly shining on passers-by and drivers when they observe the signal light 22, causing glare and difficulty in observing the signal light 22.

[0035] A further improvement is that the photovoltaic module 3 has a mirror-symmetrical structure, with the axis of rotation of the photovoltaic module 3 located on the mirror-symmetrical plane of the photovoltaic module 3. With this structure, the mirror-symmetrical design ensures that the weight of the front and rear sides of the photovoltaic module 3 is uniform, thereby reducing the energy consumption of the drive assembly 4 to drive the photovoltaic module 3, making the rotation more stable and energy-efficient.

[0036] A further improvement is that the photovoltaic cells in photovoltaic unit 32 are HJT cells. Compared to other solar cells, HJT cells have a higher conversion efficiency, with a theoretical upper limit exceeding 30%, which helps to increase the storage capacity of the battery. Moreover, HJT cells have a bifaciality rate of over 90%, far higher than other types of solar cells. Moreover, HJT cells have excellent low-light performance, and can still generate photovoltaic power even in relatively weak sunlight, with power generation performance superior to other types of cells.

[0037] A further improvement is that the photovoltaic rack 31 is provided with light-transmitting openings 311 corresponding one-to-one with each photovoltaic cell 32. The light-transmitting openings 311 face both the light-receiving and backlighting surfaces of the photovoltaic cells 32. With this structure, sunlight reflected from the ground passes through the light-transmitting openings 311 and strikes the backlighting surfaces of the photovoltaic cells 32. The photovoltaic cells 32 are double-sided, double-glass modules, enabling them to generate electricity from both sides simultaneously, increasing power generation and, in turn, the battery's capacity, ensuring sufficient energy for the signal lights 22.

[0038] A further improvement is that a detection component 5 is also provided on the lamp pole 1, and the detection component 5 is used to detect the light intensity above the front side, above the rear side and directly above the light box 21; the detection component 5 is provided at one end of the light box 21, and the detection component 5 includes a detection frame 51 fixed on the lamp pole 1 and at least three light sensors 52 provided on the detection frame 51.

[0039] To be more specific, the detection frame 51 is fixed directly above the cross bar 13, and three photo sensors 52 are fixed on the top of the detection frame 51. The three photo sensors 52 are all set upward and are used to detect the light intensity above the front side, above the rear side and directly above the light box 21 respectively. According to the light intensity detected by the three photo sensors 52, the current position of the sun relative to the light box 21 is judged, thereby controlling the operation of the drive component 4 and adjusting the rotation angle of the photovoltaic component 3. On the one hand, the power generation of the photovoltaic component 3 is increased, and on the other hand, the amount of sunlight exposure to the front and back of the light box 21 is adjusted.

[0040] A further improvement is that the drive assembly 4 includes a telescopic unit 41, and the two ends of the telescopic unit 41 are respectively connected to the light box 21 and the photovoltaic rack 31. In the present invention, a rotating seat 23 is fixedly provided in the middle of the rotating seat 23 at both ends of the top surface of the light box 21. One end of the telescopic unit 41 is connected to the rotating seat 23, and the other end is connected to the photovoltaic rack 31. The telescopic unit 41 is located on the rear side of the signal light 22. After adopting the above structure, the telescopic unit 41 controls its own length to drive the photovoltaic rack 31 and the photovoltaic unit 32 to rotate, thereby adjusting the angle of the photovoltaic assembly 3. Specifically, when the length of the telescopic unit 41 increases, the photovoltaic rack 31 and the photovoltaic unit 32 rotate toward the front side of the light box 21, and accordingly, the sunlight irradiating the front of the light box 21 is reduced, preventing the occurrence of sunlight irradiation on the back side of the light box 21. When the length of the telescopic unit 41 decreases, the photovoltaic rack 31 and the photovoltaic unit 32 rotate toward the rear side of the light box 21, and accordingly, the sunlight irradiating the back side of the light box 21 is reduced.

[0041] A further improvement is that the telescopic unit 41 includes a drive motor 411, a screw rod 412 and a screw sleeve 413. The drive motor 411 is rotationally connected to the light box 21, the output end is fixedly connected to the screw rod 412 coaxially, and the screw sleeve 413 is threadedly connected to the screw rod 412 and rotationally connected to the photovoltaic frame 31.

[0042] The housing of the drive motor 411 is also fixedly connected to a first connection base 42, which is rotatably connected to the central rotation base 23. The screw sleeve 413 is also rotatably connected to a second connection base 43, which is rotatably connected to the photovoltaic frame 31. With this structure, the drive motor 411 drives the screw rod 412 to rotate, which acts on the screw sleeve 413 through the thread, causing the screw sleeve 413 to move, thereby adjusting the overall length of the telescopic unit 41 and controlling the rotation of the photovoltaic assembly 3.

[0043] A further improvement is that the telescopic unit 41 also includes a sealing sleeve 414, which is sleeved on the outside of the screw rod 412 and the circumferential inner wall is sealedly connected to the circumferential outer edge of the screw sleeve 413. The sealing sleeve 414 is fixedly connected to the drive motor 411. The sealing sleeve 414, the drive motor 411 and the screw sleeve 413 enclose a sealed cavity surrounding the screw rod 412.

[0044] After adopting the above structure, the sealing sleeve 414 can not only drive the motor 411 and the screw sleeve 413 to surround the screw rod 412, preventing the screw rod 412 from being corroded by external water vapor and rusting, thereby affecting its transmission with the screw sleeve 413, but also the circumferential outer edge of the screw sleeve 413 is sealed with the circumferential inner wall of the sealing sleeve 414, so that after the screw rod 412 rotates, the screw sleeve 413 can move stably along the axial direction of the screw rod 412.

[0045] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A photovoltaic traffic light, characterized in that: include: A light pole (1) and a signal light assembly (2), wherein the signal light assembly (2) comprises a horizontal light box (21), a signal light (22) is provided on the front of the light box (21), a controller and a battery electrically connected to the signal light (22) are provided in the light box (21), the light box (21) is fixedly connected to the top end of the light pole (1), and the bottom end of the light pole (1) is fixedly connected to the ground; A photovoltaic assembly (3) and a driving assembly (4), wherein the photovoltaic assembly (3) rotates on the top of the light box (21) and the axis of rotation is parallel to the length direction of the light box (21), and the driving assembly (4) is arranged between the photovoltaic assembly (3) and the light box (21) and is electrically connected to the controller, and the driving assembly (4) drives the photovoltaic assembly (3) to rotate to adjust the amount of sunlight irradiated on the front of the light box (21) and the back of the light box (21).

2. The photovoltaic traffic signal light according to claim 1, characterized in that: The photovoltaic assembly (3) comprises a photovoltaic frame (31) and a photovoltaic unit (32) with a light-receiving surface facing upwards, the photovoltaic frame (31) is rotated on the top of the light box (21), the photovoltaic unit (32) is fixed on the photovoltaic frame (31) and is electrically connected to the battery, there are at least two photovoltaic units (32), and at least two photovoltaic units (32) are respectively arranged above both sides of the light box (21) to block sunlight irradiating the front of the light box (21) and the back of the light box (21).

3. The photovoltaic traffic signal light according to claim 2, characterized in that: The photovoltaic cell in the photovoltaic unit (32) is a HJT cell.

4. The photovoltaic traffic signal light according to claim 3, characterized in that: The photovoltaic frame (31) is provided with light-transmitting openings (311) corresponding one to one with the photovoltaic units (32), and the light-transmitting openings (311) face the light-receiving surface and the backlight surface of the photovoltaic units (32).

5. The photovoltaic traffic signal light according to claim 1, characterized in that: The photovoltaic assembly (3) is a mirror-symmetrical structure, and the axis center line of the rotation axis of the photovoltaic assembly (3) is located on the mirror-symmetrical plane of the photovoltaic assembly (3).

6. The photovoltaic traffic signal light according to claim 1, characterized in that: The driving assembly (4) comprises a telescopic unit (41), and two ends of the telescopic unit (41) are respectively connected to the light box (21) and the photovoltaic frame (31).

7. The photovoltaic traffic signal light according to claim 6, characterized in that: The telescopic unit (41) comprises a driving motor (411), a screw rod (412) and a screw sleeve (413); the driving motor (411) is rotationally connected to the light box (21); an output end is fixedly connected to the screw rod (412) coaxially; the screw sleeve (413) is threadedly connected to the screw rod (412) and rotationally connected to the photovoltaic frame (31).

8. The photovoltaic traffic signal light according to claim 7, characterized in that: The telescopic unit (41) further includes a sealing sleeve (414), which is sleeved on the outside of the screw rod (412) and has a circumferential inner wall sealedly connected to a circumferential outer edge of the screw sleeve (413). The sealing sleeve (414) is fixedly connected to the drive motor (411). The sealing sleeve (414), the drive motor (411) and the screw sleeve (413) enclose a sealed cavity surrounding the screw rod (412).

9. The photovoltaic traffic signal light according to claim 1, characterized in that: The lamp pole (1) is further provided with a detection component (5), and the detection component (5) is used to detect the light intensity above the front side, above the rear side, and directly above the light box (21).

10. The photovoltaic traffic signal light according to claim 9, characterized in that: The detection assembly (5) is arranged at one end of the light box (21), and the detection assembly (5) comprises a detection frame (51) fixed on the light pole (1) and at least three light sensors (52) arranged on the detection frame (51).

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