Semi-trailer carriage with solar power generation panel

Abstract

The invention discloses a semi-trailer carriage with a solar power generation panel, and relates to the technical field of semi-trailer carriages. A semi-trailer carriage with a solar power generation panel comprises a semi-trailer carriage body, the semi-trailer carriage body is fixedly installed on a frame, a solar power generation panel body is arranged above the semi-trailer carriage body, and the semi-trailer carriage further comprises a base with a collecting structure and arranged at the top of the semi-trailer carriage body; the lifting assembly is arranged on the base and used for lifting the placing angle of one end of the solar power generation panel body; by arranging the lifting assembly, the solar power generation panel body is in an inclined state in the initial state of the semi-trailer compartment body in the running process, accumulated water on the solar power generation panel body can be conveniently guided and then collected in rainy days, waste of water resources is avoided, and the practicability of the semi-trailer compartment body is improved. Meanwhile, rainwater is prevented from being accumulated on the surface of the solar power generation panel body, and the power generation efficiency of the solar power generation panel body is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of semi-trailer carriages, and in particular relates to a semi-trailer carriage with a solar power generation panel. Background Art

[0002] A solar panel is a device that uses the photoelectric effect of semiconductor materials to convert solar radiation directly into electrical energy. It typically consists of a series of photovoltaic cells connected in a specific manner, covered with a protective layer and light-transmitting materials. It effectively absorbs sunlight and converts it into usable direct current (DC). The sun's energy is virtually limitless, providing a continuous and sustainable energy supply as long as the sun exists. It also produces no waste gas, wastewater, or waste residue, making it a very clean way to obtain energy.

[0003] Installing solar panels on the semi-trailer box of the existing technology can reduce dependence on traditional fuel, thereby reducing the energy costs of trucks, and will not produce greenhouse gas and pollutant emissions. However, in actual use, although the solar panels can be easily installed on the top of the semi-trailer box, the angle of the solar panels cannot be changed in an emergency during the driving process of the semi-trailer box, and the solar panels placed horizontally on the top are prone to water accumulation, which affects the use effect of the solar panels. For this reason, we propose a solar power generation semi-trailer box with high adjustability, no water accumulation, and high safety, which is of great significance to promoting the development of green logistics. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a semi-trailer with solar panels that can overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is: a semi-trailer body with solar panels, including a semi-trailer body, the semi-trailer body is fixedly installed on the frame, and the solar panel body is arranged above the semi-trailer body, and also includes: a base with a collecting structure, which is arranged on the top of the semi-trailer body; a lifting component, which is arranged on the base and is used to lift the placement angle of one end of the solar panel body; a rotating plate, which is installed on both sides of the base; a display component, which is installed at one end of the base; wherein the solar panel body is initially installed in an inclined state, and when one end of the solar panel body is lifted to the middle of the stroke, the rotating plate is unfolded on both sides of the base, and the blocking member is used to assist in slowing down the vehicle, and when the solar panel body is lifted to the end of the stroke, the display component is triggered to run to warn the following vehicle.

[0006] Preferably, the lifting assembly includes a support plate fixed to the bottom of the solar panel body, a fixing block is fixed to the bottom surface of the support plate, the surface of the fixing block is rotatably connected to a driving part through a pin shaft, one end of the driving part is rotatably connected to the bottom inner wall of the base through a pin shaft, one end of the support plate is rotatably connected to a rotating shaft through a bearing, a protective net is fixed to one end of the support plate, and one end of the protective net is attached to the top surface of the base.

[0007] Preferably, an accommodating cavity is provided inside the base, and an extrusion plate is fixed to the bottom of the support plate, and the extrusion plate is in a hook shape.

[0008] Preferably, a U-shaped plate is provided inside the accommodating cavity, a slider is fixed to the bottom of the U-shaped plate, the slider is slidably connected in a slide groove, the slide groove is opened on the bottom inner wall of the base, the surface of the U-shaped plate is rotatably connected to a connecting rod through a pin shaft, and one end of the connecting rod is rotatably connected to the rotating plate through a pin shaft.

[0009] Preferably, a limiting shaft is fixed on the surface of the rotating plate, and the end of the limiting shaft is rotatably connected to the base through a bearing. A groove is opened on the surface of the rotating plate, and a sealing plate is installed inside the groove. A resistance member is installed on the surface of the rotating plate.

[0010] Preferably, the resistance member includes an air intake pipe fixed on one side of the rotating plate, a valve is provided on the air intake pipe, an umbrella bag is installed at one end of the air intake pipe, a sensor is fixed on one side of the rotating plate, and a controller is installed on the bottom inner wall of the base.

[0011] Preferably, an extrusion spring is fixed at one end of the U-shaped plate, a limiting plate is fixed at the end of the extrusion spring, the bottom of the limiting plate is fixedly connected to the bottom inner wall of the base, a contact rod is fixed at one side of the U-shaped plate, and one end of the contact rod slides through the limiting plate.

[0012] Preferably, the display component includes a contact head fixedly mounted on an inner wall of one side of the base, an outer wall of the base is mounted with an alarm display, and the contact head and the alarm display are electrically connected.

[0013] Preferably, a baffle is fixed inside the base, a storage cavity is provided on one side of the baffle, an infusion tube is fixed on one side of the base, and one end of the infusion tube is connected to a reserve component.

[0014] Preferably, the reserve component includes a liquid storage tank fixed to one end of the infusion tube, a filter is provided at the connection between the infusion tube and the liquid storage tank, the liquid storage tank is installed on one side surface of the semi-trailer body, a water outlet pipe is installed on one side of the liquid storage tank, and a knob cover is provided on the water outlet pipe.

[0015] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: the present invention is provided with a lifting component, so that the solar panel body is in an inclined state in the initial state during the driving of the semi-trailer body. In rainy weather, it is convenient to divert the accumulated water on the solar panel body and then collect and treat it, avoiding the waste of water resources, and at the same time preventing rainwater from accumulating on the surface of the solar panel body, thereby improving the power generation efficiency of the solar panel body.

[0016] The present invention is provided with a rotating plate. When the vehicle is in an emergency out-of-control state, the lifting component drives the solar panel body to be lifted to a certain height. The wind resistance after the solar panel body is lifted can be used to reduce the driving speed of the vehicle. At the same time, the deployment of the rotating plate can increase the driving resistance of the vehicle, reduce the speed, reduce the probability of accidents, and facilitate subsequent rescue.

[0017] In the event of an emergency, the solar panel body is lifted to the end of its travel by means of a lifting assembly to obtain a maximum resistance effect. At this time, the linkage of various components triggers the display unit to operate and warn subsequent vehicles to drive carefully, thus achieving a good warning effect and making subsequent vehicles more alert and vigilant, thus avoiding rear-end collisions and providing better safety protection effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached figure: Figure 1 This is a schematic diagram of the overall structure of a semi-trailer compartment with solar panels proposed by the present invention; Figure 2 This is a side structural schematic diagram of a semi-trailer compartment with solar panels proposed by the present invention; Figure 3 This is a side view structural diagram of a solar panel in a semi-trailer compartment with a solar panel proposed by the present invention; Figure 4 This is a schematic side cross-sectional structure diagram of a semi-trailer compartment solar power generation panel with a solar power generation panel proposed by the present invention; Figure 5 This is a schematic side view of the cross-sectional three-dimensional structure of a semi-trailer compartment solar power generation panel provided by the present invention; Figure 6 The present invention proposes Figure 5 Schematic diagram of the enlarged structure of area A in the middle; Figure 7 This is a partial cross-sectional structural diagram of a base in a semi-trailer compartment with a solar power generation panel proposed by the present invention; Figure 8 This is a schematic diagram of the partial three-dimensional structure of a rotating plate in a semi-trailer compartment with a solar power generation panel proposed by the present invention.

[0019] In the figure: 1. Semi-trailer body; 11. Frame; 2. Solar panel body; 3. Support plate; 31. Drive unit; 32. Fixed block; 33. Rotating shaft; 34. Protective net; 35. Accommodating chamber; 36. Extrusion plate; 4. Base; 51. U-shaped plate; 52. Slider; 53. Slide; 54. Connecting rod; 55. Rotating plate; 56. Limiting shaft; 57. Groove; 58. Blocking plate; 59. Air intake pipe; 591. Valve; 592. Parachute package; 593. Sensor; 594. Controller; 61. Extrusion spring; 62. Limiting plate; 63. Contact rod; 64. Contact head; 65. Alarm display; 71. Enclosure; 72. Infusion tube; 73. Filter; 74. Liquid storage tank; 75. Water outlet pipe. DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments so that those skilled in the art can implement the invention with reference to the description.

[0021] It should be understood that terms such as “having”, “including” and “comprising” used herein do not preclude the existence or addition of one or more other elements or combinations thereof.

[0022] In the description of the present invention, the terms "horizontal", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0023] Example 1: Reference Figures 1-8 , a semi-trailer with solar panels, including a semi-trailer body 1, the semi-trailer body 1 is fixedly mounted on a frame 11, a solar panel body 2 is arranged above the semi-trailer body 1, and also includes: a base 4 with a collecting structure, arranged on the top of the semi-trailer body 1; a lifting component, arranged on the base 4, for lifting the placement angle of one end of the solar panel body 2; a rotating plate 55, mounted on both sides of the base 4; a display component, mounted at one end of the base 4; wherein the solar panel body 2 is initially installed in an inclined state, when one end of the solar panel body 2 is lifted to the middle of the stroke, the rotating plate 55 is unfolded on both sides of the base 4, and the blocking component is used to assist in decelerating the vehicle. When the solar panel body 2 is lifted to the end of the stroke, the display component is triggered to run and warn the following vehicles.

[0024] In the present invention, the semi-trailer body 1 serves as the basic load-bearing structure. Its bottom is rigidly connected to the vehicle frame 11 by welding or bolting. The frame 11 is made of high-strength alloy steel and has internal reinforcing ribs to enhance structural stability. The solar panel body 2 is initially mounted on the base 4 at an angle of 5-10 degrees. As the vehicle travels, the airflow generated removes dust and foreign matter from the solar panel body 2, thereby preventing foreign matter from accumulating and obstructing the solar panel body 2. The base 4 is fixed to the top surface of the frame 11 by multiple sets of evenly distributed fastening screws. Its main body is made of lightweight aluminum alloy to reduce the weight of the vehicle. A lifting assembly is mounted on the base 4 and can rotate one end of the solar panel body 2 about its axis to adjust the angle of the solar panel body 2. The rotating plates 55 are two symmetrically arranged guide plates made of stainless steel or carbon fiber composite material. Under normal conditions, they are retracted into the side wings of the base. The display unit can be linked to the lifting assembly. When the solar panel body 2 rotates to a preset limit angle, it automatically powers on and activates to provide a warning display, alerting subsequent vehicles and personnel.

[0025] The specific working process is as follows: when the semi-trailer body 1 is in a long downhill or stalled state, the staff can start the lifting component, and the lifting component receives the control signal to start, pushing the solar panel body 2 to slowly lift up. As the solar panel body 2 rotates to the middle of the stroke within a range of about 10-50 degrees, the linkage component on the base 4 triggers the deployment of the rotating plate 55, and then in order to increase wind resistance, during the driving process of the vehicle, the lifting of the solar panel body 2 and the deployment of the rotating plate 55 are coordinated to further enhance the resistance of the vehicle, control the driving speed of the vehicle, reduce the use time of the vehicle tire braking system, reduce the occurrence of faults, achieve auxiliary deceleration and improve the safety performance of the vehicle. If the vehicle stalls and brakes fail, the solar panel body 2 can be raised further to the end of its travel (approximately 51-55 degrees). The resistance element on the rotating panel 55 triggers further increased air resistance, buffering and assisting the vehicle's deceleration. This also triggers the display circuit, causing the LED screen to flash a red warning symbol or scroll the words "Caution!". The optional audible and visual alarm system is activated, effectively reminding vehicles behind to maintain a safe distance. The display adopts a low-power design and is equipped with a solar charging module to ensure long-term independent operation. The beneficial effects of this structure are reflected in: through phased linkage control, while improving the efficiency of solar power generation, it also takes into account driving safety. The dual-function design of the rotating plate 55 not only realizes aerodynamic deceleration but also adapts to the deceleration requirements of the vehicle under different driving conditions; the intelligent trigger mechanism of the display replaces the traditional passive warning device, enhancing the recognition at night or in bad weather; at the same time, it reduces the occurrence of vehicle loss of control due to prolonged braking. In addition, the adjustable angle design of the solar panel body 2 has the effect of self-cleaning and diversion, and can collect rainwater in rainy weather, solving the problem of water shortage when the vehicle is driving in arid areas.

[0026] Example 2: Reference Figure 1 and Figure 4 , which is basically the same as Example 1, but further: the lifting assembly includes a support plate 3 fixed to the bottom of the solar panel body 2, a fixing block 32 is fixed to the bottom surface of the support plate 3, and the surface of the fixing block 32 is rotatably connected to the driving part 31 through a pin shaft, one end of the driving part 31 is rotatably connected to the bottom inner wall of the base 4 through a pin shaft, one end of the support plate 3 is rotatably connected to the rotating shaft 33 through a bearing, a protective net 34 is fixed to one end of the support plate 3, one end of the protective net 34 is attached to the top surface of the base 4, and an accommodating cavity 35 is provided inside the base 4, and an extrusion plate 36 is fixed to the bottom of the support plate 3, and the extrusion plate 36 is hook-shaped.

[0027] There are two driving parts 31, which are driven and controlled synchronously. When the solar panel body 2 needs to be lifted, the driving part 31 is started to drive one end of the fixed block 32 to lift, so that the support plate 3 rotates around the axis at one end of the base 4 to achieve angle adjustment of the solar panel body 2. The protective net 34 is made of flexible rubber material and can be deformed when the angle of the solar panel body 2 is adjusted, which does not affect the angle adjustment operation of the solar panel body 2. In rainy weather, due to the inclined setting of the solar panel body 2, rainwater is diverted through the solar panel body 2 and then flows down along the connection between the support plate 3 and the base 4. The protective net 34 can isolate and filter foreign matter mixed in the rainwater to prevent it from entering the base 4. When the solar panel body 2 is lifted, air resistance is formed, which has an auxiliary deceleration effect on vehicles in a long downhill stage, avoids excessive or long-term braking of the vehicle, reduces the occurrence of faults, and improves vehicle safety performance.

[0028] A baffle plate 71 is fixed inside the base 4, and a storage cavity is provided on one side of the baffle plate 71. A liquid infusion tube 72 is fixed to one side of the base 4, and one end of the liquid infusion tube 72 is connected to a reserve component. The reserve component includes a liquid storage tank 74 fixed to one end of the liquid infusion tube 72, and a filter 73 is provided at the connection between the liquid infusion tube 72 and the liquid storage tank 74. The liquid storage tank 74 is installed on one side of the semi-trailer body 1, and a water outlet pipe 75 is installed on one side of the liquid storage tank 74, and a knob cover is provided on the water outlet pipe 75.

[0029] The baffle 71 divides the internal space of the base 4, collects a part of the diverted rainwater, and then transports it to the liquid storage tank 74 through the infusion pipe 72 for centralized storage. The inflowing rainwater can be filtered by the filter 73 to improve the cleanliness of the collected rainwater, which is convenient for subsequent drivers to use. Through this structure, the solar panel body 2 not only has the function of self-cleaning, but also has the function of diverting rainwater, collecting rainwater in a centralized manner, and can also assist in decelerating the vehicle.

[0030] Example 3: Reference Figure 5 、 Figure 6 、 Figure 7 and Figure 8, which is basically the same as Example 2, and further, a U-shaped plate 51 is provided inside the accommodating chamber 35, and a slider 52 is fixed at the bottom of the U-shaped plate 51, and the slider 52 is slidably connected in the slide groove 53, and the slide groove 53 is provided on the bottom inner wall of the base 4, and the surface of the U-shaped plate 51 is rotatably connected to the connecting rod 54 through a pin shaft, and one end of the connecting rod 54 is rotatably connected to the rotating plate 55 through a pin shaft, and a limit shaft 56 is fixed on the surface of the rotating plate 55, and the end of the limit shaft 56 is rotatably connected to the base 4 through a bearing, and a groove 57 is provided on the surface of the rotating plate 55, and a sealing plate 58 is installed inside the groove 57, and a resistance member is installed on the surface of the rotating plate 55, and the resistance member includes an air intake pipe 59 fixed to one side of the rotating plate 55, a valve 591 is provided on the air intake pipe 59, and an umbrella bag 592 is installed at one end of the air intake pipe 59, a sensor 593 is fixed to one side of the rotating plate 55, and a controller 594 is installed on the bottom inner wall of the base 4.

[0031] Among them, in the initial state, one end of the extrusion plate 36 is in contact with one side of the U-shaped plate 51. When the solar panel body 2 is lifted, the extrusion plate 36 is used to squeeze the U-shaped plate 51, so that the U-shaped plate 51 moves horizontally, and the slider 52 and the slide groove 53 are respectively designed to be T-shaped to limit the movement of the U-shaped plate 51. When the U-shaped plate 51 is displaced, it cooperates with the setting of the connecting rod 54 to drive the rotating plate 55 to rotate, so that the two rotating plates 55 are unfolded on both sides of the base 4. The rotating plate 55 is provided with a groove 57 and a blocking plate 58. In this way, the airflow enters the groove 57 to form a strong resistance, which cooperates with the lifting of the solar panel body 2 to improve the air deceleration effect of the vehicle and maintain the balance of the vehicle.

[0032] If the vehicle stalls and the brakes fail, the solar panel body 2 continues to rise to the end of the stroke (about 51-55 degrees). At this time, the sensor 593 senses the angle change of the rotating plate 55, feeds back to the controller 594, and then controls the valve 591 to open, facilitating the airflow into the intake pipe 59. In this way, the power of the airflow is used to make the parachute bag 592 open the internal parachute bag, thereby further improving the resistance strength of the vehicle, adapting to the use of the vehicle in different states, and providing safety protection. Among them, the sensor 593 is an angle sensor 593, the valve 591 is a solenoid valve, and is electrically connected to the controller 594. They are all commonly used models in the market and will not be repeated here. The parachute bag 592 includes components such as parachute canopy and parachute rope. This is an existing technology and can refer to the existing parachute structure. In combination with the above scheme, the lifting movement of the solar panel body 2 is combined with the design of an incremental air resistance structure to stabilize the vehicle while achieving the deceleration effect of air resistance in different scenarios.

[0033] Example 4: Reference Figure 5 and Figure 6, which is basically the same as Example 3, and furthermore: an extrusion spring 61 is fixed to one end of the U-shaped plate 51, and a limit plate 62 is fixed to the end of the extrusion spring 61. The bottom of the limit plate 62 is fixedly connected to the bottom inner wall of the base 4. A contact rod 63 is fixed to one side of the U-shaped plate 51, and one end of the contact rod 63 slides through the limit plate 62. The display component includes a contact head 64 fixedly mounted on the inner wall of one side of the base 4, and an alarm display 65 is installed on the outer wall of the base 4. The contact head 64 and the alarm display 65 are electrically connected.

[0034] If the vehicle stalls and the brakes fail, the solar panel body 2 continues to rise to the end of the stroke (51-55 degrees). At this time, the U-shaped plate 51 in the linkage component moves, driving the contact rod 63 to move synchronously. One end of the contact rod 63 contacts the contact head 64, and the contact head 64 is electrically connected to the alarm display 65, triggering the alarm display 65 to display a warning message and sound an alarm. The contact rod 63 is a straight metal rod, and the contact head 64 is usually an elastic metal sheet such as a copper contact fixed to a circuit board or a bracket. Its interior is connected to the circuit of the alarm display 65. When the contact rod 63 is pushed into place by the U-shaped plate 51 of the linkage component, its conductive end presses the contact head 64, so that the two are in close contact, forming a closed loop. The contact head 64 and the alarm display 65 are directly connected by a wire. After the loop is closed, current flows from the vehicle power supply or the solar panel independent power supply module into the alarm display 65, activating its internal circuit. This process is similar to pressing a switch to connect a circuit, but mechanical movement replaces manual operation. The alarm display 65 has a built-in LED or LCD screen. Upon receiving the current signal, it displays a preset warning message, such as "Brake Failure" or "Caution: Avoid." This information can be programmed into the control device to ensure automatic display when triggered. This alerts following vehicles to the vehicle's fault, making it more visible and preventing rear-end collisions and other vehicle accidents. This provides a strong protective and early warning effect, and is superior to the single power generation function of the solar panel body 2 on traditional carriages.

[0035] The above embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patented invention. It should be noted that those skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention. These variations and improvements are equivalent modifications and improvements to the above embodiments based on the essential technology of the present invention and fall within the scope of protection of the present invention.

Claims

1. A semi-trailer with a solar power generation panel, comprising a semi-trailer body (1), wherein the semi-trailer body (1) is fixedly mounted on a vehicle frame (11), and a solar power generation panel body (2) is arranged above the semi-trailer body (1), characterized in that: Also includes: A base (4) having a collecting structure is arranged on the top of the semi-trailer body (1); A lifting assembly, arranged on the base (4), for raising the placement angle of one end of the solar panel body (2); A rotating plate (55) is mounted on both sides of the base (4); A display element mounted on one end of the base (4); The solar panel body (2) is initially installed in an inclined state. When one end of the solar panel body (2) is lifted, the rotating plate (55) is unfolded on both sides of the base (4), and the blocking member assists in decelerating the vehicle. When the solar panel body (2) is lifted to the end of the travel, the display member is triggered to operate and warn the following vehicle.

2. A semi-trailer with a solar panel according to claim 1, characterized in that: The lifting assembly comprises a support plate (3) fixed to the bottom of the solar panel body (2), a fixing block (32) is fixed to the bottom surface of the support plate (3), the surface of the fixing block (32) is rotatably connected to a driving portion (31) via a pin shaft, one end of the driving portion (31) is rotatably connected to the bottom inner wall of the base (4) via a pin shaft, one end of the support plate (3) is rotatably connected to a rotating shaft (33) via a bearing, one end of the support plate (3) is fixed to a protective net (34), and one end of the protective net (34) is attached to the top surface of the base (4).

3. A semi-trailer with a solar panel according to claim 2, characterized in that: An accommodating cavity (35) is provided inside the base (4), and an extrusion plate (36) is fixed to the bottom of the support plate (3), wherein the extrusion plate (36) is in a hook shape.

4. A semi-trailer with a solar panel according to claim 3, characterized in that: A U-shaped plate (51) is provided inside the accommodating cavity (35), a slider (52) is fixed to the bottom of the U-shaped plate (51), the slider (52) is slidably connected in a slide groove (53), and the slide groove (53) is provided on the bottom inner wall of the base (4). The surface of the U-shaped plate (51) is rotatably connected to a connecting rod (54) via a pin shaft, and one end of the connecting rod (54) is rotatably connected to the rotating plate (55) via a pin shaft.

5. A semi-trailer with a solar panel according to claim 4, characterized in that: A limiting shaft (56) is fixed on the surface of the rotating plate (55), and the end of the limiting shaft (56) is rotatably connected to the base (4) via a bearing. A groove (57) is provided on the surface of the rotating plate (55), and a blocking plate (58) is installed inside the groove (57). A resistance member is installed on the surface of the rotating plate (55).

6. A semi-trailer with a solar panel according to claim 5, characterized in that: The resistance member comprises an air intake pipe (59) fixed to one side of the rotating plate (55), a valve (591) being provided on the air intake pipe (59), an umbrella bag (592) being installed at one end of the air intake pipe (59), a sensor (593) being fixed to one side of the rotating plate (55), and a controller (594) being installed on the bottom inner wall of the base (4).

7. A semi-trailer with a solar panel according to claim 6, characterized in that: An extrusion spring (61) is fixed to one end of the U-shaped plate (51), a limit plate (62) is fixed to the end of the extrusion spring (61), the bottom of the limit plate (62) is fixedly connected to the bottom inner wall of the base (4), and a contact rod (63) is fixed to one side of the U-shaped plate (51), one end of the contact rod (63) slides through the limit plate (62).

8. A semi-trailer with a solar panel according to claim 7, characterized in that: The display component includes a contact head (64) fixedly mounted on an inner wall of one side of the base (4); an alarm display (65) is mounted on an outer wall of the base (4); and the contact head (64) and the alarm display (65) are electrically connected.

9. A semi-trailer with a solar panel according to claim 8, characterized in that: A baffle plate (71) is fixed inside the base (4), a storage cavity is provided on one side of the baffle plate (71), a liquid infusion tube (72) is fixed on one side of the base (4), and one end of the liquid infusion tube (72) is connected to a storage component.

10. A semi-trailer with a solar panel according to claim 9, characterized in that: The storage component includes a liquid storage tank (74) fixed to one end of a liquid infusion tube (72), a filter (73) is provided at the connection between the liquid infusion tube (72) and the liquid storage tank (74), the liquid storage tank (74) is installed on a side surface of the semi-trailer body (1), a water outlet pipe (75) is installed on one side surface of the liquid storage tank (74), and a knob cover is provided on the water outlet pipe (75).

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