Energy-saving solar street lamp

CN122890986APending Publication Date: 2026-10-09ZHEJIANG ZHENGHUI LIGHTING +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202611187558.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-08-06
Publication Date
2026-10-09

AI Technical Summary

Technical Problem

[0003]然而,现有光伏路灯存在一定缺陷,如,光伏路灯内的光伏板一般是固定安装设计,在台风、冰雹、强沙尘等极端恶劣天气下,倾斜外露的光伏板直接承受正面异物冲击,极易出现板面碎裂等现象,这使得设备使用寿命短、维护成本高;

Benefits of technology

本发明中的光伏板可翻转至竖立状态且使得受光面朝内,避免了在恶劣天气下,传统固定倾角光伏板正面易受碎石、树枝、杂物撞击碎裂的问题,提高本发明的使用寿命;

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure REF-OBJ-1786001188959-000002
    Figure REF-OBJ-1786001188959-000002
  • Figure REF-OBJ-1786001188959-000003
    Figure REF-OBJ-1786001188959-000003
  • Figure REF-OBJ-1786001188959-000004
    Figure REF-OBJ-1786001188959-000004
Patent Text Reader

Abstract

The application relates to the technical field of energy-saving street lamps, in particular to an energy-saving solar street lamp, which comprises a lamp pole, a photovoltaic box is fixed to the upper edge outside the lamp pole, a cantilever arm is arranged on the vertical side of the photovoltaic box, and a lamp holder is arranged at the tail end of the cantilever arm; two mounting tables are integrally formed at the upper end of the photovoltaic box, two photovoltaic panels are further arranged, a first hinged seat is integrally formed at the back of each photovoltaic panel, and each first hinged seat is hinged to a mounting table; the photovoltaic panel can be turned to a vertical state and the light-receiving surface faces inwards, so that the problem that the front of a traditional fixed-inclination photovoltaic panel is easily impacted and broken by stones, branches and sundries in bad weather is avoided, and the service life of the energy-saving solar street lamp is prolonged; the cleaning assembly can be disassembled, so that one cleaning assembly can be loaded in different lamp poles for use, and the economy is good.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of energy-saving street light technology, and in particular to an energy-saving solar street light. Background Technology

[0002] Photovoltaic streetlights rely on photovoltaic panels to generate and store energy for nighttime illumination, without the need for external grid power. They are widely used in rural roads, remote factory areas and other scenarios.

[0003] However, existing photovoltaic streetlights have certain drawbacks. For example, the photovoltaic panels inside photovoltaic streetlights are generally designed to be fixed. In extreme weather conditions such as typhoons, hail, and strong sandstorms, the tilted and exposed photovoltaic panels are directly subjected to the impact of foreign objects, which can easily cause the panels to crack. This results in a short service life and high maintenance costs. In addition, long-term outdoor use of photovoltaic panels can lead to dust accumulation, dirt buildup, and stains on the surface, which can reduce power generation efficiency.

[0004] Therefore, it is necessary to develop a photovoltaic street light to solve the above problems. Summary of the Invention

[0005] In view of this, the purpose of this invention is to provide an energy-saving solar street light to solve the above problems.

[0006] To achieve the above objectives, the present invention provides an energy-saving solar street light, including a light pole, a photovoltaic box fixed at the upper edge of the light pole, a cantilever arm provided on the vertical side of the photovoltaic box, and a lamp head installed at the end of the cantilever arm. The photovoltaic box is also provided with a light control switch electrically connected to the lamp head. The upper end of the photovoltaic box has two integrally formed mounting platforms and two photovoltaic panels. The back of the photovoltaic panel has an integrally formed first hinge seat, and the two first hinge seats are respectively hinged to the two mounting platforms. Two vertical protrusions are provided on the outer periphery of the lamp post. A top plate extending to the upper side of the protrusion is slidably connected to the protrusion. Lifting plates are slidably connected to the left and right sides of the photovoltaic box, and the two lifting plates are respectively connected to the upper ends of the two top plates. A second hinge seat is provided on the back of the photovoltaic panel. The second hinge seat is connected to the lifting plate on the corresponding side through a hinged swing arm. The system also includes a first lifting control component for controlling the up and down position of the top plate, so that the photovoltaic panel can switch between vertical and inclined angles. The pole cavity inside the light pole extends upwards, and a lifting platform is provided inside the pole cavity. It also includes a second lifting control component for controlling the up and down position of the lifting platform. A cleaning component for cleaning the photovoltaic panel in the upright state is detachably installed on the lifting platform.

[0007] Preferably, the first lifting control component includes a first threaded shaft rotatably connected to the protrusion and threadedly connected to the top plate, and a first hand crank is also installed in the protrusion. The rotating shaft in the first hand crank is connected to the first threaded shaft through a first bevel gear set.

[0008] Preferably, the cleaning assembly includes a mounting base connected to the upper end of the lifting platform. The upper end of the mounting base is hinged to a swing plate via a third hinge seat. A first brush plate, which is horizontally arranged and faces the photovoltaic panel adjacent to it, is mounted on the side of the swing plate. A mounting groove is provided in the front and rear sides of the upper end of the swing plate. A second brush plate is connected to each of the two mounting grooves via a hinge shaft. The second brush plate extends outside the mounting groove, and a first torsion spring connected to the hinge shaft is installed in the mounting groove so that the second brush plate tends to press against the bottom surface of the mounting groove. A tail plate is vertically arranged on the swing plate, and a spring groove is provided in the upper end surface of the mounting base. A top block is connected to the spring groove by a spring, which pushes upward against the tail plate and causes the first brush plate to tend to tilt toward the photovoltaic panel adjacent to it.

[0009] Preferably, the left and right sides of the rod cavity are respectively provided with an installation notch for the cleaning component to enter and exit.

[0010] Preferably, the second lifting control assembly includes a drive box installed inside the rod cavity and extending outward through the mounting notch, wherein two second threaded shafts are rotatably connected inside the drive box, and the two second threaded shafts are threadedly connected to the lifting platform. A first synchronous pulley is mounted on the second threaded shaft extending into the drive box. A second hand crank is also mounted on the drive box. A second synchronous pulley is mounted on the shaft inside the second hand crank. The two first synchronous pulleys and the second synchronous pulley are connected by a synchronous belt.

[0011] Preferably, it also includes a base box and a rain cover. The base box is fitted over the light pole and covers the mounting notch and the drive box. The rain cover is hinged to the upper end of the photovoltaic box and is subjected to a second torsion spring to tend to cover the pole cavity.

[0012] Preferably, a fixed sleeve is also fixedly provided inside the rod cavity, and a movable sleeve is slidably connected inside the fixed sleeve. The movable sleeve is fixed to the lower side of the drive box, and a third threaded shaft is rotatably connected inside the fixed sleeve and threaded to the movable sleeve. A third hand crank is also mounted on the fixed sleeve, and the shaft inside the third hand crank is connected to the third threaded shaft through a second bevel gear set.

[0013] Preferably, it also includes a liquid injection assembly, which includes a liquid storage tank disposed in the mounting base, a nozzle disposed in the mounting base on the side corresponding to the first brush plate, and a pump for supplying liquid to the nozzle disposed in the liquid storage tank.

[0014] Preferably, the bottom box is provided with a box door on the left and right sides respectively, and the inside of the box door is provided with a rubber plate that can press against the handle inside the first hand crank.

[0015] The beneficial effects of this invention are: The photovoltaic panel in this invention can be flipped to a vertical position with the light-receiving surface facing inward, avoiding the problem that the front of traditional fixed-tilt photovoltaic panels is easily damaged by impacts from gravel, branches, and debris in severe weather, thus improving the service life of this invention. The invention is also equipped with a cleaning component. When the photovoltaic panel is in the upright position, the staff only needs to operate at the bottom of the light pole to drive the cleaning component to move up and down to complete the cleaning work of the photovoltaic panel. The whole process does not require high-altitude work equipment such as aerial work platforms and safety belts, which is more convenient. The cleaning component in this invention is detachable, which allows one cleaning component to be installed in different light poles for use, resulting in good economic efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the photovoltaic panel when it is unfolded in this invention; Figure 2 This is a schematic diagram of the photovoltaic panel in the upright position in this invention; Figure 3 The present invention is in such a state as Figure 2 A schematic diagram of the internal structure in the current state; Figure 4 yes Figure 3 Enlarged schematic diagram of the photovoltaic panel in the middle; Figure 5 yes Figure 3 Enlarged view of point A in the middle; Figure 6 yes Figure 3 Enlarged view of the midsole box area; Figure 7 This is a schematic diagram of the cleaning component in the installed state according to the present invention.

[0018] The diagram is marked as follows: 11. Lamp pole; 12. Photovoltaic box; 13. Cantilever arm; 14. Lamp head; 21. Mounting platform; 22. Photovoltaic panel; 23. First hinge seat; 24. Protruding strip; 25. Top plate; 26. Lifting plate; 27. Second hinge seat; 28. Swing arm; 29. ​​First threaded shaft; 30. First hand crank; 31. Pole cavity; 32. Lifting platform; 33. Mounting seat; 34. Swing plate; 35. First brush plate; 36. Second brush plate; 37. Tail plate; 38. Top block; 39. Mounting notch; 41. Second threaded shaft; 42. Drive box; 43. Second hand crank; 51. Fixed sleeve; 52. Movable sleeve; 53. Third hand crank; 56. Base box; 61. Liquid storage tank; 71. Box door. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments.

[0020] It should be noted that, unless otherwise defined, the technical or scientific terms used in this invention should have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] like Figure 1-7 As shown, an energy-saving solar street light includes a lamp post 11. A photovoltaic box 12 is fixed to the upper edge of the lamp post 11. A cantilever arm 13 is provided on the vertical side of the photovoltaic box 12, and a lamp head 14 is installed at the end of the cantilever arm 13. A light control switch electrically connected to the lamp head 14 is provided inside the photovoltaic box 12. When the ambient illuminance is lower than a set value, the light control switch controls the lamp head 14 to be powered on. Conversely, when the ambient illuminance is higher than the set value, the light control switch controls the lamp head 14 to be powered off, so as to achieve the purpose of energy saving.

[0022] Furthermore, the upper end of the photovoltaic box 12 is integrally formed with two mounting platforms 21 and also includes two photovoltaic panels 22. The back of the photovoltaic panel 22 is integrally formed with a first hinge seat 23. The two first hinge seats 23 are respectively hinged to the two mounting platforms 21. The photovoltaic panel 22 is used to supply power to the energy storage battery placed in the photovoltaic box 12. The energy storage battery is used to supply power to the lamp head 14, so as to form an energy flow path.

[0023] To achieve an adjustable angle for the photovoltaic panel 22, two vertical protrusions 24 are provided on the outer periphery of the lamp post 11. A top plate 25 extending to the upper side of the protrusion 24 is slidably connected to the protrusion 24. Lifting plates 26 are slidably connected to the left and right sides of the photovoltaic box 12, and the two lifting plates 26 are respectively connected to the upper ends of the two top plates 25. A second hinge seat 27 is provided on the back of the photovoltaic panel 22. The second hinge seat 27 is connected to the lifting plate 26 on the corresponding side through a hinged swing arm 28. A first lifting control component is also included to control the up and down position of the top plate 25, so that the photovoltaic panel 22 can switch between vertical and inclined angles.

[0024] like Figure 1 As shown, when the top plate 25 is in a low position, the photovoltaic panel 22 is in an open, tilted state, at which time the photovoltaic panel 22 can receive sunlight and store energy. When severe weather conditions such as typhoons or hail occur, staff can control the first lifting control component to raise the top plate 25 and the lifting plate 26 until the photovoltaic panel 22 is in a position similar to... Figure 2 In the vertical position shown, the panels inside the two photovoltaic panels 22 will face inward, which greatly reduces the possibility of being hit head-on by foreign objects and reduces the probability of damage. Furthermore, by adjusting the vertical position of the top plate 25, the staff can adjust the angle of the photovoltaic panel 22, enabling the energy-saving solar street light to lock the optimal light-receiving tilt angle according to the installation position, thereby improving the efficiency of photovoltaic power generation.

[0025] In this embodiment, as Figure 6 As shown, the first lifting control component includes a first threaded shaft 29 rotatably connected to the protrusion 24 and threadedly connected to the top plate 25. The protrusion 24 is also equipped with a first hand crank 30. The shaft inside the first hand crank 30 is connected to the first threaded shaft 29 through a first bevel gear set. The operator can control the rotation of the first threaded shaft 29 by the first hand crank 30, thereby controlling the lifting of the top plate 25.

[0026] To achieve the easy-to-clean design of the photovoltaic panel 22, such as Figure 5As shown, the pole cavity 31 inside the lamp post 11 extends upward, and a lifting platform 32 is provided inside the pole cavity 31. It also includes a second lifting control component for controlling the up and down position of the lifting platform 32. A cleaning component for cleaning the photovoltaic panel 22 in the upright state is detachably installed on the lifting platform 32.

[0027] Specifically, the cleaning component includes a mounting base 33 connected to the upper end of the lifting platform 32. The upper end of the mounting base 33 is hinged to a swing plate 34 via a third hinge seat. A first brush plate 35, which is horizontally arranged and faces the photovoltaic panel 22 adjacent to it, is mounted on the side of the swing plate 34. A mounting groove is provided in the front and rear sides of the upper end of the swing plate 34. A second brush plate 36 is connected to each of the two mounting grooves via a hinge shaft. The second brush plate 36 extends outside the mounting groove, and a first torsion spring connected to the hinge shaft is installed in the mounting groove so that the second brush plate 36 tends to press against the bottom surface of the mounting groove. A tail plate 37 is vertically arranged on the swing plate 34. A spring groove is provided in the upper end surface of the mounting base 33. A top block 38 is connected to the spring groove by a spring, which pushes upward against the tail plate 37 and causes the first brush plate 35 to tend to tilt toward the photovoltaic panel 22 adjacent to it.

[0028] In addition, such as Figure 6 As shown, the left and right sides of the rod cavity 31 are respectively provided with an installation notch 39 for the cleaning component to enter and exit.

[0029] When cleaning of the photovoltaic panel 22 is required, the operator controls the lifting platform 26 to rise until the photovoltaic panel 22 is in an upright position. Then, the operator fixes the mounting base 33 to the lifting platform 32 through the mounting notch 39, and then raises the lifting platform 32. At this time, the second brush plate 36 presses against the wall of the rod cavity 31. When the mounting base 33 extends to the upper side of the rod cavity 31, the second brush plate 36 is controlled by the first torsion spring to press against the bottom surface of the mounting groove to achieve unfolding. At the same time, the top block 38 presses against the tail plate 37, and the first brush plate 35 and the second brush plate 36 swing at the same angle until they press against a single photovoltaic panel 22. Then, the lifting platform 32 can move up and down, allowing the first brush plate 35 and the second brush plate 36 to wash the single photovoltaic panel 22. The design of the first brush plate 35 is to fill the gap between the two second brush plates 36 to increase the coverage of the photovoltaic panel 22 and improve the cleaning effect. After the washing is completed, the lifting platform 32 can move downwards, causing the second brush plate 36 to swing upwards and retract. After the lifting platform 32 moves to the lowest side, the staff can install the mounting base 33 in the opposite direction in the left and right directions, and repeat the above operation to achieve the cleaning work of the other photovoltaic panel 22.

[0030] Specifically, the second lifting control assembly includes a drive box 42 housed within the rod cavity 31 and extending outward through the mounting notch 39. Two second threaded shafts 41 are rotatably connected within the drive box 42, and both second threaded shafts 41 are threadedly connected to the lifting platform 32. First synchronous pulleys are mounted on the second threaded shafts 41 extending into the drive box 42. A second hand crank 43 is also mounted on the drive box 42, and a second synchronous pulley is mounted on the shaft within the second hand crank 43. The two first synchronous pulleys and the second synchronous pulleys are connected by a synchronous belt. The operator can rotate the second hand crank 43 to rotate the two front-to-back second threaded shafts 41, thereby controlling the lifting platform 32 to rise and fall. In this embodiment, as shown... Figure 7 As shown, the mounting base 33 is provided with a clearance groove for avoiding the second threaded shaft 41; When the mounting base 33 is mounted on the lifting platform 32 through the mounting notch 39 on the left, the first brush plate 35 and the second brush plate 36 can only tilt to the left and clean the photovoltaic panel 22 on the left. Similarly, when the mounting base 33 is mounted on the lifting platform 32 through the mounting notch 39 on the right, the first brush plate 35 and the second brush plate 36 can only tilt to the right.

[0031] Furthermore, to prevent the second threaded shaft 41 from rusting and being damaged, and to ensure that the first hand crank 30 and the second hand crank 43 cannot be controlled and rotated by unauthorized personnel, a base box 56 and a rain cover 57 are also included. The base box 56 is fitted over the light pole 11 and covers the mounting notch 39, the drive box 42, the first hand crank 30 and the second hand crank 43. The rain cover 57 is hinged to the upper end of the photovoltaic box 12 and is subjected to the action of a second torsion spring to tend to cover the pole cavity 31 and achieve the rainproof function.

[0032] In order to enable the rain cover 57 to open in a timely manner to cooperate with the cleaning component, the second threaded shaft 41 is designed to be height-adjustable. When the second threaded shaft 41 rises, it can push open the rain cover 57. Specifically, a fixed sleeve 51 is fixedly installed in the rod cavity 31. A movable sleeve 52 is slidably connected to the fixed sleeve 51. The movable sleeve 52 is fixed to the lower side of the drive box 42. A third threaded shaft is rotatably connected to the movable sleeve 52 in the fixed sleeve 51. A third hand crank 53 is also installed on the fixed sleeve 51. The shaft in the third hand crank 53 is connected to the third threaded shaft through a second bevel gear set.

[0033] In this embodiment, before the cleaning component is operated, the operator needs to control the drive box 42 to be raised by the third hand crank 53, so that the second threaded shaft 41 pushes open the rain cover 57, and then the cleaning component is operated so that the cleaning component is not interfered with by the rain cover 57.

[0034] Furthermore, it also includes a liquid injection assembly, which includes a liquid storage tank 61 disposed within the mounting base 33. A nozzle is disposed within the mounting base 33 on the side corresponding to the first brush plate 35. The liquid storage tank 61 is also provided with a pump for supplying liquid to the nozzle. After the mounting base 33 moves to the upper side of the rod cavity 31, the pump can be controlled to operate so that the cleaning liquid in the liquid storage tank 61 is sprayed onto the photovoltaic panel 22, so that the first brush plate 35 and the second brush plate 36 can be further cleaned.

[0035] The bottom box 56 is provided with a box door 71 on the left and right sides respectively. Both boxes door 71 can be opened to facilitate the installation of the cleaning components on the left and right sides respectively.

[0036] In addition, the inner side of the box door 71 is provided with a rubber plate that can press against the handle inside the first hand crank 30. When the box door 71 is closed, the angle of the first hand crank 30 can be locked by the rubber plate, and the angle of the photovoltaic panel 22 can be locked.

[0037] It should be noted that, in this embodiment, the detachable connection between the mounting base 33 and the lifting platform 32 is as follows: the upper end of the lifting platform 32 is provided with a boss, the bottom surface of the mounting base 33 is provided with a groove adapted to the boss, and a locking bolt inserted into the boss is screwed into the mounting base 33. The operator can remove the locking bolt, thereby realizing the separation of the lifting platform 32 and the mounting base 33. The pump can be remotely controlled to switch on and off; The liquid storage tank 61 is also equipped with a liquid injection port.

[0038] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the invention (including the claims) is limited to these examples; within the framework of the invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in the details for the sake of brevity.

[0039] This invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. An energy-saving solar street light, comprising a light pole, characterized in that: A photovoltaic box is fixed to the upper edge of the outside of the lamp post. A cantilever arm is provided on the vertical side of the photovoltaic box, and a lamp head is installed at the end of the cantilever arm. A light control switch electrically connected to the lamp head is also provided on the photovoltaic box. The upper end of the photovoltaic box has two integrally formed mounting platforms and two photovoltaic panels. The back of the photovoltaic panel has an integrally formed first hinge seat, and the two first hinge seats are respectively hinged to the two mounting platforms. Two vertical protrusions are provided on the outer periphery of the lamp post. A top plate extending to the upper side of the protrusion is slidably connected to the inside of the protrusion. Lifting plates are slidably connected to the left and right sides of the photovoltaic box, and the two lifting plates are respectively connected to the upper ends of the two top plates. A second hinge seat is provided on the back of the photovoltaic panel. The second hinge seat is connected to the lifting plate on the corresponding side through a hinged swing arm. It also includes a first lifting control component for controlling the up and down position of the top plate, so that the photovoltaic panel can switch between vertical and inclined angles. The pole cavity inside the light pole extends upwards, and a lifting platform is provided inside the pole cavity. It also includes a second lifting control component for controlling the up and down position of the lifting platform. A cleaning component for cleaning the photovoltaic panel in the upright state is detachably installed on the lifting platform.

2. The energy-saving solar street light according to claim 1, characterized in that: The first lifting control component includes a first threaded shaft rotatably connected to the protrusion and threadedly connected to the top plate. The protrusion also contains a first hand crank, and the shaft inside the first hand crank is connected to the first threaded shaft via a first bevel gear set.

3. The energy-saving solar street light according to claim 1, characterized in that: The cleaning assembly includes a mounting base connected to the upper end of the lifting platform. The upper end of the mounting base is hinged to a swing plate via a third hinge seat. A first brush plate, arranged laterally and facing the adjacent photovoltaic panel, is mounted on the side of the swing plate. A mounting groove is provided in the front and rear sides of the upper end of the swing plate. A second brush plate is connected to each of the two mounting grooves via a hinge shaft. The second brush plate extends outside the mounting groove, and a first torsion spring connected to the hinge shaft is installed in the mounting groove so that the second brush plate tends to press against the bottom surface of the mounting groove. A tail plate is vertically arranged on the swing plate, and a spring groove is provided in the upper end surface of the mounting base. A top block is connected to the spring groove by a spring, which pushes upward against the tail plate and causes the first brush plate to tend to tilt toward the photovoltaic panel adjacent to it.

4. An energy-saving solar street light according to claim 2, characterized in that: The left and right sides of the rod cavity are respectively provided with an installation notch for the cleaning component to enter and exit.

5. An energy-saving solar street light according to claim 4, characterized in that: The second lifting control assembly includes a drive box installed inside the rod cavity and extending outward through the mounting notch. Two second threaded shafts are rotatably connected inside the drive box, and the two second threaded shafts are threadedly connected to the lifting platform. A first synchronous pulley is mounted on the second threaded shaft extending into the drive box. A second hand crank is also mounted on the drive box. A second synchronous pulley is mounted on the shaft inside the second hand crank. The two first synchronous pulleys and the second synchronous pulley are connected by a synchronous belt.

6. An energy-saving solar street light according to claim 5, characterized in that: It also includes a base box and a rain cover. The base box is fitted over the light pole and covers the mounting notch and the drive box. The rain cover is hinged to the upper end of the photovoltaic box and is subjected to a second torsion spring to tend to cover the pole cavity.

7. An energy-saving solar street light according to claim 6, characterized in that: A fixed sleeve is also fixedly installed inside the rod cavity. A movable sleeve is slidably connected inside the fixed sleeve. The movable sleeve is fixed to the lower side of the drive box. A third threaded shaft is rotatably connected inside the fixed sleeve and threaded to the movable sleeve. A third hand crank is also installed on the fixed sleeve. The shaft inside the third hand crank is connected to the third threaded shaft through a second bevel gear set.

8. An energy-saving solar street light according to claim 3, characterized in that: It also includes a liquid injection assembly, which includes a liquid storage tank disposed in the mounting base. A nozzle is disposed in the mounting base on the side corresponding to the first brush plate. A pump for supplying liquid to the nozzle is also disposed in the liquid storage tank.

9. An energy-saving solar street light according to claim 6, characterized in that: The bottom box is provided with doors on the left and right sides respectively, and the inside of the doors is provided with rubber plates that can press against the handle inside the first hand crank.