Automatic charging device of intelligent ground nail

Abstract

The utility model discloses an automatic charging device for an intelligent ground nail, which comprises a shell, a temperature difference power generation sheet is arranged at the top of an inner cavity of the shell, a top shell is arranged at the top of the shell, a metal cylinder is arranged on one side of the inner cavity of the shell, and one end of the metal cylinder is in contact with the cold end of the temperature difference power generation sheet. According to the utility model, the hot ends of the thermoelectric power generation sheets are tightly attached to the top shell, so that a higher external sunlight temperature can be obtained, and the cold ends of the thermoelectric power generation sheets are in contact with the metal columns, so that one end of each metal column is propped against the cold ends of the thermoelectric power generation sheets connected in series, and the other end of each metal column is propped against the shell bottom; the cold end of the thermoelectric power generation sheet is indirectly kept at a relatively low temperature through the heat conduction effect of the metal cylinder, and electromotive force is generated through the temperature difference between the cold end and the hot end of the thermoelectric power generation sheet, so that proper charging voltage and current are formed; and the rechargeable lithium battery can be continuously charged.

Description

Technical Field

[0001] The utility model relates to the technical field of smart ground nails, and specifically to an automatic charging device for smart ground nails. Background Art

[0002] The development of Internet of Things technology is generating new solutions in more and more industrial applications. In daily life and production, the use of various resources has promoted the rapid development of pipeline laying, such as water pipes, power cables, gas pipelines, communication optical cables, etc. Some pipelines are buried tens of meters underground in underground corridors and are protected by the outer walls of the corridors. However, more pipelines are shallowly buried several meters below the surface. Once they encounter factors such as mechanical excavation or pipe jacking construction, there is a risk of external damage. Smart ground nails are an Internet of Things terminal detection device that uses vibration sensors to continuously monitor ground vibrations. Through the built-in high-precision acceleration sensor and Internet of Things communication module, the detected abnormal vibrations are reported to the remote center to achieve effective monitoring of the risk of external damage to the underground pipeline network. The design of smart ground nails has several key points. The first is that they need to operate with ground power consumption. In order to be convenient and flexible to use, smart ground nails cannot be operated by main power supply, but are battery-driven.

[0003] Considering that the usage scenario of smart ground nails is to be buried in the ground and run for a long time, they will face the possibility of being soaked by rainwater and corroded by acidic substances. They are usually protected by colloid packaging, which makes it impossible to replace the battery. Therefore, the battery loss needs to be considered in the design. Secondly, the surface of the smart ground nail needs to be in contact with the outside world to facilitate the antenna of the wireless Internet of Things communication module to transmit and receive outward. Thirdly, the diversification of external demolition scenarios will require different changes in the appearance design of smart ground nails. For example, in the scenario of monitoring road construction, since the external demolition machinery directly acts on the road surface, the smart ground nail only needs to be able to sense the vibration changes of the ground. Some construction methods, such as pipe jacking, are carried out underground. The smart ground nail device needs to be appropriately lengthened to be able to monitor deeper underground locations. For battery use, the device's service life can be appropriately extended through self-charging. Usually, the design of smart ground nails uses solar charging to replenish rechargeable lithium batteries. The solar charging panel is installed on the top of the device. Because the top of the device needs to be exposed to the outside world, it can be exposed to the sun. However, in some scenarios, the smart ground nails will not be able to contact sunlight due to being blocked by the top, such as being blocked by soil and gravel on the construction site, or blocked by fallen leaves.

[0004] Therefore, it is necessary to design different charging methods inside the device without disrupting the core functions, so as to increase the chances of battery charging and extend its service life. Utility Model Content

[0005] The purpose of the present utility model is to provide an automatic charging device for a smart ground nail, which has the advantage of facilitating automatic battery charging and solving the problem that in some scenarios, the smart ground nail cannot be exposed to sunlight due to being blocked by the top, such as being blocked by soil and gravel on the construction site, or being blocked by fallen leaves, etc., which in turn affects the charging of the internal battery and reduces the battery life.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a smart ground nail, comprising an outer shell, a thermoelectric power generation sheet is provided at the top of the inner cavity of the outer shell, a top shell is provided at the top of the outer shell, a metal column is provided on one side of the inner cavity of the outer shell, one end of the metal column contacts the cold end of the thermoelectric power generation sheet, and the other end of the metal column contacts the bottom of the shell, a power management chip and a rechargeable lithium battery are respectively provided on the other side of the inner cavity of the outer shell, and the hot end of the thermoelectric power generation sheet contacts the top shell.

[0007] Preferably, the outer shell is cylindrical in shape, the diameter of the outer shell is ten centimeters, and the height of the outer shell is two meters. The outer shell is made of aluminum alloy, and the bottom of the outer shell is in contact with the ground.

[0008] Preferably, the metal column has a cylindrical shape, a diameter of three centimeters, and a length of two meters, and is installed vertically.

[0009] Preferably, the top shell is made of high-strength organic glass material, and the top shell is flush with the ground, and the top shell is in close contact with the antenna of the Internet of Things communication module.

[0010] The automatic charging method also includes the following steps:

[0011] A. First, the installation work is carried out by digging a pit one to two meters deep into the ground, and then placing the equipment in the pit. Usually, the temperature two meters underground is lower than the surface temperature. In summer, the temperature difference between the ground and the equipment can reach more than 20 degrees Celsius, which is convenient for later power generation.

[0012] B. During use, the hot end of the thermoelectric power generation sheet is in close contact with the top shell to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet is in contact with the metal column. Since one end of the metal column is against the cold end of the thermoelectric power generation sheet connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column is kept consistent with that of two meters below the ground. The heat conduction effect of the metal column indirectly keeps the cold end of the thermoelectric power generation sheet at a lower temperature. When the temperature rises to 40 degrees or even higher under the sunlight in summer, the top shell is in contact with the thermoelectric power generation sheet, and the thermoelectric power generation sheet is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column is exposed to a low temperature of about 20 degrees underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0013] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery, it is convenient to charge the rechargeable lithium battery later. At the same time, the power management chip is responsible for the charging input of the rechargeable lithium battery. If the generated voltage meets the charging requirements, the rechargeable lithium battery will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery will be stopped.

[0014] Preferably, the voltage of the rechargeable lithium battery in step C is 4.2 volts. In order to achieve charging, the charging voltage that needs to be generated is greater than 4.2 volts. At the same time, according to the requirements of the rechargeable lithium battery used, a plurality of thermoelectric power generation sheets can be connected in series to form a charging voltage that meets the requirements to achieve the charging purpose.

[0015] Preferably, the top shell in step B is made of light-transmitting high-strength glass, which can face the outside air directly after being installed on the ground and maintain a temperature close to that of the ground when it is hot.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model ensures that a higher external sunlight temperature can be obtained by closely contacting the hot end of the thermoelectric power generation sheet with the top shell, and the cold end of the thermoelectric power generation sheet is in contact with the metal column. Since one end of the metal column is pressed against the cold end of the thermoelectric power generation sheets connected in series, and the other end is pressed against the bottom of the shell, the temperature of one end of the metal column and that of two meters below the ground are kept consistent. The heat conduction effect of the metal column indirectly keeps the cold end of the thermoelectric power generation sheet at a lower temperature. The temperature difference between the cold end and the hot end of the thermoelectric power generation sheet generates an electromotive force, forming a suitable charging voltage and current, so as to continuously charge the rechargeable lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 2This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the charging principle of the utility model.

[0021] In the figure: 11, outer shell; 12, thermoelectric generator; 13, top shell; 14, metal cylinder; 15, power management chip; 16, rechargeable lithium battery. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The housing, thermoelectric generator, top shell, metal column, power management chip and rechargeable lithium battery components of the utility model are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0024] Example 1

[0025] like Figure 1-3 As shown, the first embodiment of the utility model provides a smart ground nail, including a shell 11, a thermoelectric power generation sheet 12 is provided at the bottom of the inner cavity of the shell 11, a top shell 13 is provided on the top of the shell 11, a metal column 14 is provided on one side of the inner cavity of the shell 11, one end of the metal column 14 is in contact with the cold end of the thermoelectric power generation sheet 12, and the other end of the metal column 14 is in contact with the bottom of the shell, a power management chip 15 and a rechargeable lithium battery 16 are respectively provided on the other side of the inner cavity of the shell 11, and the hot end of the thermoelectric power generation sheet 12 is in contact with the top shell 13.

[0026] The automatic charging method of the automatic charging device of the smart ground nail includes the following steps:

[0027] A. First, install the device by digging a pit two meters underground. The device is then placed in the pit. The temperature two meters underground will be lower than the surface temperature, creating a larger temperature difference, which is convenient for later power generation.

[0028] B. During use, the hot end of the thermoelectric power generation sheet 12 is in close contact with the top shell 13 to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet 12 is in contact with the metal column 14. Since one end of the metal column 14 is against the cold end of the thermoelectric power generation sheets 12 connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column 14 and the ground two meters below the ground are kept consistent. The heat conduction effect of the metal column 14 indirectly keeps the cold end of the thermoelectric power generation sheet 12 at a lower temperature. When the temperature rises to 40 degrees Celsius or even higher under the sunlight in summer, since the top shell 13 is in contact with the thermoelectric power generation sheet 12, the thermoelectric power generation sheet 12 is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column 14 is exposed to a low temperature of about 20 degrees Celsius underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet 12, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0029] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery 16, it is convenient to charge the rechargeable lithium battery 16 later. At the same time, the power management chip 15 is responsible for the charging input of the rechargeable lithium battery 16. If the generated voltage meets the charging requirements, the rechargeable lithium battery 16 will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery 16 will be stopped.

[0030] Example 2:

[0031] In Example 1, the following steps are added:

[0032] The outer shell 11 is cylindrical in shape, has a diameter of ten centimeters, and is two meters high. The outer shell 11 is made of aluminum alloy, and the bottom of the outer shell 11 is in contact with the ground.

[0033] The automatic charging method includes the following steps:

[0034] A. First, install the device by digging a pit two meters underground. The device is then placed in the pit. The temperature two meters underground will be lower than the surface temperature, creating a larger temperature difference, which is convenient for later power generation.

[0035] B. During use, the hot end of the thermoelectric power generation sheet 12 is in close contact with the top shell 13 to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet 12 is in contact with the metal column 14. Since one end of the metal column 14 is against the cold end of the thermoelectric power generation sheets 12 connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column 14 and the ground two meters below the ground are kept consistent. The heat conduction effect of the metal column 14 indirectly keeps the cold end of the thermoelectric power generation sheet 12 at a lower temperature. When the temperature rises to 40 degrees Celsius or even higher under the sunlight in summer, since the top shell 13 is in contact with the thermoelectric power generation sheet 12, the thermoelectric power generation sheet 12 is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column 14 is exposed to a low temperature of about 20 degrees Celsius underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet 12, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0036] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery 16, it is convenient to charge the rechargeable lithium battery 16 later. At the same time, the power management chip 15 is responsible for the charging input of the rechargeable lithium battery 16. If the generated voltage meets the charging requirements, the rechargeable lithium battery 16 will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery 16 will be stopped.

[0037] Example 3:

[0038] In Example 2, the following steps are added:

[0039] The metal column 14 has a cylindrical shape, a diameter of three centimeters, and a length of two meters, and is installed vertically.

[0040] The automatic charging method includes the following steps:

[0041] A. First, install the device by digging a pit two meters underground. The device is then placed in the pit. The temperature two meters underground will be lower than the surface temperature, creating a larger temperature difference, which is convenient for later power generation.

[0042] B. During use, the hot end of the thermoelectric power generation sheet 12 is in close contact with the top shell 13 to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet 12 is in contact with the metal column 14. Since one end of the metal column 14 is against the cold end of the thermoelectric power generation sheets 12 connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column 14 and the ground two meters below the ground are kept consistent. The heat conduction effect of the metal column 14 indirectly keeps the cold end of the thermoelectric power generation sheet 12 at a lower temperature. When the temperature rises to 40 degrees Celsius or even higher under the sunlight in summer, since the top shell 13 is in contact with the thermoelectric power generation sheet 12, the thermoelectric power generation sheet 12 is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column 14 is exposed to a low temperature of about 20 degrees Celsius underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet 12, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0043] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery 16, it is convenient to charge the rechargeable lithium battery 16 later. At the same time, the power management chip 15 is responsible for the charging input of the rechargeable lithium battery 16. If the generated voltage meets the charging requirements, the rechargeable lithium battery 16 will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery 16 will be stopped.

[0044] Example 4:

[0045] In Example 3, the following steps are added:

[0046] The top shell 13 is made of high-strength organic glass material, and the top shell 13 is flush with the ground, and the top shell 13 is in close contact with the antenna of the Internet of Things communication module.

[0047] The automatic charging method includes the following steps:

[0048] A. First, install the device by digging a pit two meters underground. The device is then placed in the pit. The temperature two meters underground will be lower than the surface temperature, creating a larger temperature difference, which is convenient for later power generation.

[0049] B. During use, the hot end of the thermoelectric power generation sheet 12 is in close contact with the top shell 13 to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet 12 is in contact with the metal column 14. Since one end of the metal column 14 is against the cold end of the thermoelectric power generation sheets 12 connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column 14 and the ground two meters below the ground are kept consistent. The heat conduction effect of the metal column 14 indirectly keeps the cold end of the thermoelectric power generation sheet 12 at a lower temperature. When the temperature rises to 40 degrees Celsius or even higher under the sunlight in summer, since the top shell 13 is in contact with the thermoelectric power generation sheet 12, the thermoelectric power generation sheet 12 is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column 14 is exposed to a low temperature of about 20 degrees Celsius underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet 12, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0050] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery 16, it is convenient to charge the rechargeable lithium battery 16 later. At the same time, the power management chip 15 is responsible for the charging input of the rechargeable lithium battery 16. If the generated voltage meets the charging requirements, the rechargeable lithium battery 16 will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery 16 will be stopped.

[0051] Embodiment 5:

[0052] In embodiment 4, the following steps are added:

[0053] In step C, the voltage of the rechargeable lithium battery 16 is 4.2 volts. In order to achieve charging, the charging voltage that needs to be generated is greater than 4.2 volts. The power generation efficiency summary table is now provided:

[0054] temperature difference Open circuit voltage Power generation current 20 degrees Celsius 0.97 volts 225 mA 40 degrees Celsius 1.8 volts 368 mAh 60 degrees Celsius 2.4 volts 469 mAh 80 degrees Celsius 3.6 volts 558 mAh 100 degrees Celsius 4.8 volts 669 mAh

[0055] Furthermore, according to the requirements of the rechargeable lithium battery 16 used, a charging voltage that meets the requirements can be formed by connecting multiple thermoelectric power generation sheets 12 in series to achieve the charging purpose.

[0056] The automatic charging method includes the following steps:

[0057] A. First, install the device by digging a pit two meters underground. The device is then placed in the pit. The temperature two meters underground will be lower than the surface temperature, creating a larger temperature difference, which is convenient for later power generation.

[0058] B. During use, the hot end of the thermoelectric power generation sheet 12 is in close contact with the top shell 13 to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet 12 is in contact with the metal column 14. Since one end of the metal column 14 is against the cold end of the thermoelectric power generation sheets 12 connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column 14 and the ground two meters below the ground are kept consistent. The heat conduction effect of the metal column 14 indirectly keeps the cold end of the thermoelectric power generation sheet 12 at a lower temperature. When the temperature rises to 40 degrees Celsius or even higher under the sunlight in summer, since the top shell 13 is in contact with the thermoelectric power generation sheet 12, the thermoelectric power generation sheet 12 is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column 14 is exposed to a low temperature of about 20 degrees Celsius underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet 12, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0059] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery 16, it is convenient to charge the rechargeable lithium battery 16 later. At the same time, the power management chip 15 is responsible for the charging input of the rechargeable lithium battery 16. If the generated voltage meets the charging requirements, the rechargeable lithium battery 16 will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery 16 will be stopped.

[0060] Example 6:

[0061] In embodiment 5, the following steps are added:

[0062] In step B, the top shell 13 is made of light-transmitting high-strength glass. After being installed on the ground, it can face the outside air and maintain a temperature close to that of the ground surface when it is hot.

[0063] The automatic charging method includes the following steps:

[0064] A. First, install the device by digging a pit two meters underground. The device is then placed in the pit. The temperature two meters underground will be lower than the surface temperature, creating a larger temperature difference, which is convenient for later power generation.

[0065] B. During use, the hot end of the thermoelectric power generation sheet 12 is in close contact with the top shell 13 to ensure that it can obtain a higher external sunlight temperature, and the cold end of the thermoelectric power generation sheet 12 is in contact with the metal column 14. Since one end of the metal column 14 is against the cold end of the thermoelectric power generation sheets 12 connected in series and the other end is against the bottom of the shell, the temperature of one end of the metal column 14 and the ground two meters below the ground are kept consistent. The heat conduction effect of the metal column 14 indirectly keeps the cold end of the thermoelectric power generation sheet 12 at a lower temperature. When the temperature rises to 40 degrees Celsius or even higher under the sunlight in summer, since the top shell 13 is in contact with the thermoelectric power generation sheet 12, the thermoelectric power generation sheet 12 is at the same temperature as the ground surface, forming a high temperature. The bottom of the shell connected to the metal column 14 is exposed to a low temperature of about 20 degrees Celsius underground, and a temperature difference is generated between the cold and hot ends of the thermoelectric power generation sheet 12, thereby generating an electromotive force, realizing the thermoelectric power generation effect, and generating an electromotive force and current sufficient to generate electricity.

[0066] C. By connecting the circuit that generates electromotive force to the circuit of the rechargeable lithium battery 16, it is convenient to charge the rechargeable lithium battery 16 later. At the same time, the power management chip 15 is responsible for the charging input of the rechargeable lithium battery 16. If the generated voltage meets the charging requirements, the rechargeable lithium battery 16 will be charged. If the voltage does not meet the charging conditions, the charging of the rechargeable lithium battery 16 will be stopped.

[0067] The standard parts used in this application document can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field, which is common knowledge in this field. In addition, this application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0068] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0069] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic charging device for a smart ground nail, comprising a housing (11), characterized in that: A thermoelectric power generation sheet (12) is provided at the top of the inner cavity of the shell (11), a top shell (13) is provided at the top of the shell (11), a metal column (14) is provided on one side of the inner cavity of the shell (11), one end of the metal column (14) contacts the cold end of the thermoelectric power generation sheet (12), and the other end of the metal column (14) contacts the bottom of the shell, a power management chip (15) and a rechargeable lithium battery (16) are respectively provided on the other side of the inner cavity of the shell (11), and the hot end of the thermoelectric power generation sheet (12) contacts the top shell (13).

2. The automatic charging device for smart ground spikes according to claim 1, characterized in that: The outer shape of the shell (11) is cylindrical, the diameter of the shell (11) is ten centimeters, and the height of the shell (11) is two meters. The shell (11) is made of aluminum alloy, and the bottom of the shell (11) is in contact with the ground.

3. The automatic charging device for smart ground spikes according to claim 1, characterized in that: The metal column (14) has a column shape, a diameter of three centimeters, and a length of two meters, and is installed vertically.

4. The automatic charging device for smart ground spikes according to claim 1, characterized in that: The top shell (13) is made of high-strength organic glass material, and the top shell (13) is flush with the ground. The top shell (13) is in close contact with the antenna of the Internet of Things communication module.

Images