Photovoltaic street lamp

Abstract

The utility model relates to the technical field of photovoltaic street lamp illumination, and discloses a photovoltaic street lamp which comprises a rod body. A photovoltaic module; the rotating assembly comprises a first fixing piece arranged on the rod body, a rotating piece connected with the first fixing piece in a meshed mode and a rotating motor connected with the rotating piece, the first fixing piece is provided with first teeth, the lower portion of the rotating piece is provided with second teeth which are arranged on the first teeth in a sleeving mode and connected with the first teeth in a meshed mode, and the rotating motor is suitable for driving the rotating piece to rotate relative to the fixing piece; therefore, the photovoltaic module is driven to rotate. Compared with a traditional street lamp in which a photovoltaic module is directly driven to rotate in a horizontal plane only through a single motor, due to meshing transmission and an up-and-down sleeving mode, the street lamp is more stable and reliable, the situation of transmission failure is avoided, and therefore the photovoltaic street lamp can accurately control the rotating speed, and the service life of the street lamp is prolonged. The problem of excessive rotation caused by large motor power and inertia effect is avoided, the photovoltaic module is ensured to face light at a proper angle all the time, and stable lighting is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic street lamp lighting technical field, concretely relates to a photovoltaic street lamp. BACKGROUND

[0002] The photovoltaic street lamp does not need to lay cable, does not need to supply power in alternating current, does not produce electricity fee, can save the engineering of ditching and burying cable, does not need to worry about power failure, and does not need transformer. It adopts direct current power supply and control mode, and has many advantages such as strong stability, long service life, outstanding luminous efficiency, convenient installation and maintenance, safety and reliability, energy saving and environmental protection, economy and practicality. Especially in the lighting scene of expressway, the comprehensive advantages are more prominent, and it is expected to become the first choice of lighting.

[0003] The current photovoltaic street lamp is usually equipped with a photovoltaic assembly on the top, and some products additionally have an inclined rotating assembly, which is matched with a light sensor to realize light monitoring and automatically rotate according to the light intensity to ensure that the photovoltaic assembly always faces the best light collecting angle and improves the power generation efficiency. However, the inclined rotating assembly is usually directly driven by a motor to rotate the photovoltaic assembly in the horizontal plane. When the output power of the motor is large, the rotation speed of the photovoltaic assembly is fast, and the rotation may be excessive under the action of inertia, which affects the final power generation efficiency. SUMMARY

[0004] Therefore, the utility model provides a photovoltaic street lamp to solve the problem that the photovoltaic assembly may be excessively rotated under the driving of the motor and affect the power generation efficiency in the prior art.

[0005] The utility model provides a photovoltaic street lamp, which comprises:

[0006] A rod body;

[0007] A photovoltaic assembly is arranged on the top of the rod body, a light detection assembly is arranged on the frame of the photovoltaic assembly, and the light detection assembly is signal connected with a rotating assembly;

[0008] The rotating assembly is arranged between the photovoltaic assembly and the rod body, the rotating assembly comprises a first fixing member arranged on the rod body, a rotating member meshed and connected with the first fixing member, and a rotating motor connected with the rotating member, the first fixing member has a first tooth, the lower part of the rotating member is provided with a second tooth which is sleeved with the first tooth and is meshed and connected, and the rotating motor is suitable for driving the rotating member to rotate relative to the fixing member to drive the rotating action of the photovoltaic assembly.

[0009] Optionally, the first tooth is an internal tooth, the first fixing member is a cylinder provided with the internal tooth, the second tooth is an external tooth, and the lower part of the rotating member is provided with an annular external tooth which is meshed and connected with the internal tooth.

[0010] Optionally, the rotating assembly further comprises:

[0011] a second fixing member fixedly arranged on an end surface of the rotating member away from the first fixing member;

[0012] a tilt rotating shaft rotatably arranged on the second fixing member, and an axial direction of the tilt rotating shaft is parallel to a surface of the photovoltaic module;

[0013] a tilt motor arranged on the second fixing member, and the tilt motor is adapted to drive the tilt rotating shaft to rotate;

[0014] a plurality of fixing rods, one end of each of the fixing rods is fixedly connected with a back surface of the photovoltaic module, and the other end of each of the fixing rods is fixedly connected with the tilt rotating shaft.

[0015] Optionally, the back surface of the photovoltaic module is provided with an angle code fixing member, and the fixing rods are fixedly connected with the photovoltaic module through the angle code fixing member.

[0016] Optionally, the light detecting assembly comprises at least two light sensors and a controller electrically connected with the light sensors, the two light sensors are oppositely arranged on a frame of the photovoltaic module, the light sensors are adapted to generate electric signals according to light conditions at positions of the light sensors, and the controller is adapted to receive the electric signals of the two light sensors and transmit signals to the rotating assembly to drive the photovoltaic module to rotate.

[0017] Optionally, the light sensors are four, and two of the four light sensors are oppositely arranged on the frame of the photovoltaic module, and the controller is arranged on the back surface of the photovoltaic module.

[0018] Optionally, the light sensors are arranged at a middle part of the frame.

[0019] Optionally, the application further comprises a storage battery, the storage battery is arranged inside the rod body and is electrically connected with the photovoltaic module, the controller, the rotating motor and the tilt motor.

[0020] Optionally, the application further comprises two illuminating members, the illuminating members are arranged on the rod body, the illuminating members are electrically connected with the storage battery, and the two illuminating members are oppositely arranged on two sides of the rod body.

[0021] Optionally, the back surface of the photovoltaic module is further provided with reinforcing ribs.

[0022] Beneficial effects

[0023] The photovoltaic street lamp provided by the utility model has the advantages that the photovoltaic assembly is arranged on the top of the rod body, the light detection assembly on the frame of the photovoltaic assembly is signal connected with the rotating assembly, the rotating motor in the rotating assembly can drive the rotating part, the second tooth on the lower part of the rotating part is engaged with the first tooth of the first fixing part on the rod body, and the rotating action of the photovoltaic assembly is driven.

[0024] The photovoltaic assembly is arranged on the top of the rod body, the light detection assembly on the frame of the photovoltaic assembly is signal connected with the rotating assembly, the rotating motor in the rotating assembly can drive the rotating part, the second tooth on the lower part of the rotating part is engaged with the first tooth of the first fixing part on the rod body, and the rotating action of the photovoltaic assembly is driven. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0026] Fig. 1 It is a structural schematic diagram of the photovoltaic street lamp of the utility model embodiment;

[0027] Fig. 2 It is a structural schematic diagram of the first fixing part and the rotating part of the utility model embodiment;

[0028] Fig. 3 It is a structural schematic diagram of the photovoltaic assembly, the inclined rotating assembly and the light detection assembly of the utility model embodiment;

[0029] Fig. 4 It is a structural schematic diagram of the back plate of the photovoltaic assembly of the utility model embodiment.

[0030] REFERENCE SIGNS

[0031] 1, pole; 2, photovoltaic module; 21, corner code fixing piece; 22, reinforcing rib; 31, first fixing piece; 32, rotating piece; 33, second fixing piece; 34, inclined rotating shaft; 35, fixed rod; 41, photosensitive sensor; 42, controller; 5, lighting piece. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] The embodiments of the present application will be described below in combination with Figs. 1 to 4 .

[0034] According to the embodiments of the present application, a photovoltaic street lamp is provided, which comprises:

[0035] a pole 1;

[0036] a photovoltaic module 2 arranged at the top of the pole 1, wherein a light detection assembly is arranged on the frame of the photovoltaic module 2, and the light detection assembly is signal connected with a rotating assembly;

[0037] a rotating assembly arranged between the photovoltaic module 2 and the pole 1, wherein the rotating assembly comprises a first fixing piece 31 arranged on the pole 1, a rotating piece 32 engagedly connected with the first fixing piece 31, and a rotating motor connected with the rotating piece 32, the first fixing piece 31 is provided with a first tooth, the lower part of the rotating piece 32 is provided with a second tooth sleeved and engagedly connected with the first tooth, and the rotating motor is adapted to drive the rotating piece 32 to rotate relative to the fixing piece to drive the rotating action of the photovoltaic module 2.

[0038] It should be noted that in the present embodiment, the corresponding positions on the first fixing piece 31 and the pole 1 are provided with fixing holes, and the first fixing piece 31 is stably arranged on the pole 1 by a bolt fixing piece. In addition to the conventional bolt fixing, a riveting method can also be used. Riveting can make the first fixing piece 31 and the pole 1 more closely connected, effectively disperse the stress, and have better overall performance and less looseness. In addition, welding process can also be used to firmly weld the first fixing piece 31 at the corresponding position of the pole 1 at one time.

[0039] The photovoltaic street lamp provided by the embodiment is characterized in that the photovoltaic assembly 2 is arranged on the top of the rod body 1, the light detection assembly on the frame is in signal connection with the rotating assembly, the rotating motor in the rotating assembly can drive the rotating part 32, the lower second teeth of the rotating part 32 are engaged with the first teeth of the first fixing part 31 on the rod body 1, and the photovoltaic assembly 2 is driven to rotate. Compared with the traditional street lamp in which a single motor directly drives the photovoltaic assembly 2 to rotate in the horizontal plane, the photovoltaic street lamp is more stable and reliable due to the engagement transmission and the upper-and-lower-suiting mode, and the transmission failure does not occur, so that the photovoltaic street lamp can accurately control the rotating speed, avoid the problem of excessive rotation caused by large motor power and inertia, ensure that the photovoltaic assembly 2 always faces the light at a suitable angle, stably collects light, effectively improves the power generation efficiency, and retains the advantages of the photovoltaic street lamp, such as no need to lay cables, no need for alternating current power supply, strong stability, long service life, convenient installation and maintenance, energy saving and environmental protection, and the like.

[0040] Further, the first teeth are inner teeth, the first fixing part 31 is a cylinder provided with the inner teeth, the second teeth are outer teeth, and the lower part of the rotating part 32 is provided with annular outer teeth in engagement connection with the inner teeth.

[0041] Of course, the first fixing part 31 can also be provided with an outwardly convex columnar outer tooth on the top, and correspondingly, the lower part of the rotating part 32 is provided as an inner recessed cylinder, the inner wall of the cylinder is provided with annular inner teeth, the rotating part 32 is sleeved on the upper part of the first fixing part 31 and is in engagement connection.

[0042] Further, the rotating assembly further comprises:

[0043] The second fixing part 33 is fixedly arranged on the end face of the rotating part 32 away from the first fixing part 31;

[0044] The inclined rotating shaft 34 is rotatably arranged on the second fixing part 33, and the axial direction of the inclined rotating shaft 34 is parallel to the plate surface of the photovoltaic assembly 2;

[0045] The inclined motor is arranged on the second fixing part 33, and the inclined motor is suitable for driving the inclined rotating shaft 34 to rotate;

[0046] The plurality of fixing rods 35 are fixedly connected at one end to the back plate surface of the photovoltaic assembly 2 and at the other end to the inclined rotating shaft 34.

[0047] It is easy to understand that the second fixing member 33 is fixed on the rotating member 32, including two protruding parts arranged opposite to each other, providing stable support for subsequent components. The inclined rotating shaft 34 is rotatably arranged thereon and axially parallel to the panel surface of the photovoltaic module 2, cooperating with the inclined motor to drive rotation, so that the photovoltaic module 2 can not only accurately track light in the horizontal direction, but also adjust the inclination angle, better adapt to the change of solar altitude angle in different periods and seasons, capture light in all directions, and further improve the power generation efficiency. A plurality of fixing rods 35 connect the back plate of the photovoltaic module 2 and the inclined rotating shaft 34, which effectively ensures the stability of the photovoltaic module 2 during the inclination operation, avoids shaking, and ensures the continuity and stability of light receiving.

[0048] It should be noted that in the present embodiment, the number of fixing rods 35 is selected as four, and two are a group, connected with the back plate of the photovoltaic module 2 to form two triangular structures. Based on the stability principle of triangle, compared with other connection methods, the stability of the photovoltaic module 2 during the inclination adjustment process can be increased. Whether it is subjected to strong wind or slight vibration due to long-term operation, the triangular structure can evenly disperse the stress and effectively prevent displacement, deformation and other problems of the photovoltaic module 2.

[0049] Of course, in other embodiments, other numbers of fixing rods 35 can also be provided to form a rectangular fixed frame with the back plate of the photovoltaic module 2, or in some embodiments, the fixing rod 35 can be directly integrated with the photovoltaic module 2 support to form a whole, compared with the conventional split fixing, which can enhance the overall structural strength and reduce the risk of connection gap expansion and structure loosening caused by long-term outdoor vibration.

[0050] Further, the back plate of the photovoltaic module 2 is provided with an angle code fixing member 21, and the fixing rod 35 is fixedly connected with the photovoltaic module 2 through the angle code fixing member 21.

[0051] It is easy to understand that the angle code fixing member 21 can effectively disperse the stress of the connection part of the fixing rod 35 and the photovoltaic module 2, avoid cracks or damage of the back plate of the photovoltaic module 2 caused by local stress concentration, and prolong the service life of the photovoltaic module 2. Moreover, the setting of the angle code fixing member 21 makes the installation of the fixing rod 35 more convenient and accurate. In the process of street lamp assembly, workers can quickly complete the positioning and fastening of the fixing rod 35 according to the standard interface of the angle code, improve the production efficiency.

[0052] In other embodiments, the connection method of the fixing rod 35 and the angle code fixing member 21 can also be selected as conventional bolt connection or rivet connection.

[0053] Further, the light detection assembly comprises at least two light sensors 41 and a controller 42 electrically connected with the light sensors 41, the two light sensors 41 are oppositely arranged on the frame of the photovoltaic assembly 2, the light sensor 41 is suitable for generating an electric signal according to the light condition of the position where it is located, and the controller 42 is suitable for receiving the electric signal of the at least two light sensors 41 and transmitting a signal to the rotating assembly to drive the photovoltaic assembly 2 to rotate.

[0054] It is easy to understand that the multiple sensor layout can perceive the light change from different directions, the collected information is more comprehensive, and the sun direction can be accurately judged, so that the photovoltaic assembly 2 can accurately track the light and improve the power generation efficiency.

[0055] Further, the light sensor 41 is four, and two by two are oppositely arranged on the frame of the photovoltaic assembly 2, and the controller 42 is arranged on the back plate surface of the photovoltaic assembly 2.

[0056] It is easy to understand that compared with a single light sensor 41, four light sensors 41 further widen the range of light monitoring, and can more sensitively and accurately capture the light change from all directions, reducing the light monitoring dead angle. At the same time, the controller 42 is arranged on the back plate surface of the photovoltaic assembly 2, which can effectively avoid the direct erosion of the controller 42 in the complex outdoor environment, such as rainwater washing, wind and sand invasion, etc., prolonging the service life of the controller 42; on the other hand, close to the position of the light sensor 41 and the rotating assembly, the signal transmission path is shortened, the signal attenuation risk is reduced, the controller 42 can more quickly and accurately receive the electric signal transmitted by the light sensor 41, and timely transmit the instruction to the rotating assembly to drive the photovoltaic assembly 2 to rotate, thereby ensuring that the photovoltaic assembly 2 accurately tracks the light at all times.

[0057] Further, the light sensor 41 is arranged at the middle part of the frame.

[0058] It is easy to understand that the light sensor 41 is placed in the middle part of the frame, and the middle part is relatively stable and not easily affected by the frame shaking caused by wind blowing or slight vibration, so that the stability of light monitoring is higher, thereby ensuring that the power generation efficiency of the street lamp is always maintained at a high level. Of course, in other embodiments, the light sensor 41 can be reasonably arranged at the corresponding position of the frame according to the actual number of the light sensor 41.

[0059] Further, it further comprises a storage battery, the storage battery is arranged in the rod body 1 and is electrically connected with the photovoltaic assembly 2, the controller 42, the rotating motor and the tilting motor.

[0060] Further, it further comprises two illuminating pieces 5, the illuminating piece 5 is arranged on the rod body 1, the illuminating piece 5 is electrically connected with the storage battery, and the two illuminating pieces 5 are oppositely arranged on the two sides of the rod body 1.

[0061] Need to explain, photovoltaic module 2 rotating part and street lamp lighting part independent of each other, avoid because photovoltaic module 2 rotation causes street lamp lighting radius coverage area appears unstable change, ensure that the lighting area is always fixed and uniform. And the separation of the two can also prevent the overall rotation load too heavy, so that the rotating parts bear excessive pressure, and slow down the accelerated wear and aging process of rotating parts, prolong the service life of rotating parts.

[0062] Easy to understand, two lighting pieces 5 are divided into two sides of the rod body 1, can effectively balance the overall weight distribution of street lamp, avoid because the components are concentrated on one side, leading to uneven stress of rod body 1, in long-term outdoor use, reduce the risk of rod body 1 due to gravity offset caused by tilt, sway or even collapse, enhance the stability of street lamp structure.

[0063] Of course, in some optional embodiments, the appropriate number of lighting pieces 5 can also be selected according to the actual situation of the road, such as single, 3 or more, of course, when setting also need to consider the position distribution of lighting piece 5, to ensure the balance of rod body 1 under long-term use.

[0064] Further, the back of the photovoltaic module 2 is also provided with reinforcing ribs 22.

[0065] Easy to understand, reinforcing ribs 22 can enhance the structural strength of photovoltaic module 2, because photovoltaic street lamp is exposed to outdoor environment for a long time, need to withstand wind, sun, rain and temperature change and many other tests, reinforcing ribs 22 can effectively prevent photovoltaic module 2 from deforming, warping and other problems due to external force, protect the normal work of its internal battery piece and other precision components, prolong the service life of photovoltaic module 2.

[0066] Although the embodiments of the present application are described in conjunction with the drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A photovoltaic street light, characterized in that, include: Rod (1); A photovoltaic module (2) is disposed on the top of the rod (1). A light detection component is provided on the frame of the photovoltaic module (2). The light detection component is signal connected to the rotation component. A rotating assembly is disposed between the photovoltaic module (2) and the rod (1). The rotating assembly includes a first fixing member (31) disposed on the rod (1), a rotating member (32) meshing with the first fixing member (31), and a rotating motor connected to the rotating member (32). The first fixing member (31) has a first tooth, and the lower part of the rotating member (32) is provided with a second tooth that sleeves and meshes with the first tooth. The rotating motor is adapted to drive the rotating member (32) to rotate relative to the fixing member, so as to drive the photovoltaic module (2) to rotate.

2. The photovoltaic street light according to claim 1, characterized in that, The first tooth is an internal tooth, the first fixing member (31) is a cylinder with internal teeth, the second tooth is an external tooth, and the lower part of the rotating member (32) is provided with an annular external tooth that meshes with the internal tooth.

3. The photovoltaic street light according to claim 1, characterized in that, The rotating assembly also includes: The second fixing member (33) is fixedly disposed on the end face of the rotating member (32) away from the first fixing member (31); An inclined rotating shaft (34) is rotatably mounted on the second fixing member (33), and the axial direction of the inclined rotating shaft (34) is parallel to the surface of the photovoltaic module (2). A tilting motor is mounted on the second fixing member (33), and the tilting motor is adapted to drive the tilting shaft (34) to rotate; Multiple fixing rods (35) are provided, one end of which is fixedly connected to the back panel of the photovoltaic module (2), and the other end is fixedly connected to the tilting shaft (34).

4. The photovoltaic street light according to claim 3, characterized in that, An angle bracket fastener (21) is provided on the back panel of the photovoltaic module (2), and the fixing rod (35) is fixedly connected to the photovoltaic module (2) through the angle bracket fastener (21).

5. The photovoltaic street light according to claim 3, characterized in that, The light detection assembly includes at least two photosensitive sensors (41) and a controller (42) electrically connected to the photosensitive sensors (41). The two photosensitive sensors (41) are disposed opposite to each other on the frame of the photovoltaic module (2). The photosensitive sensors (41) are adapted to generate electrical signals according to the illumination conditions at their location. The controller (42) is adapted to receive the electrical signals from the at least two photosensitive sensors (41) and transmit signals to the rotating assembly to drive the photovoltaic module (2) to rotate.

6. The photovoltaic street light according to claim 5, characterized in that, There are four photosensors (41), which are arranged in pairs opposite each other on the frame of the photovoltaic module (2), and the controller (42) is arranged on the back panel of the photovoltaic module (2).

7. The photovoltaic street light according to claim 6, characterized in that, The photosensitive sensor (41) is located in the middle of the frame.

8. The photovoltaic street light according to claim 5, characterized in that, It also includes a storage battery, which is disposed inside the rod (1) and electrically connected to the photovoltaic module (2), the controller (42), the rotating motor and the tilting motor.

9. The photovoltaic street light according to claim 8, characterized in that, It also includes two lighting elements (5), which are disposed on the rod body (1) and electrically connected to the battery. The two lighting elements (5) are disposed opposite to each other on both sides of the rod body (1).

10. The photovoltaic street light according to any one of claims 1-9, characterized in that, The photovoltaic module (2) also has reinforcing ribs (22) on its back.

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