TWI679432B - Smart grid protection system and protection method for smart grid - Google Patents

Abstract

The invention provides a smart grid protection system, which is arranged in a grid system. The smart grid protection system includes a first power supply protection device and a second power supply protection device. The first power protection device includes: a first power consumption and leakage detection module for detecting a power consumption and a leakage state of the first power circuit; and a first Bluetooth low energy communication module. The second power protection device includes a second power consumption and leakage detection module for detecting a power consumption and a leakage state of the second power circuit, and a second Bluetooth low energy communication module. The first Bluetooth low energy communication module communicates with the second Bluetooth low energy communication module in a broadcast manner.

Description

Smart grid protection system and smart grid protection method

The invention relates to a protection system and a protection method, in particular to a smart grid protection system and a protection method.

Due to the emergence of smart meters, the smart grid can be gradually popularized. However, whether the smart meters use wired or wireless networks to transmit data, they are mainly based on data transmission. There is no way to provide active protection in special situations. action. That is, each power node can only rely on its own safety switch as a protection mechanism, and cannot use various electrical energy information of the smart grid to protect each power node in a given area.

In view of this, providing a smart grid protection system is an important issue for the industry.

An embodiment of the present invention provides a smart grid protection system provided in a grid system, wherein the grid system includes at least a first power circuit and a second power circuit, and the first power circuit includes at least a first power circuit A power transmission line, the second power circuit includes at least a second power transmission line, the first power circuit includes a first power control node, the second power circuit includes a second power control node, and the first power The control node is provided with a first power control switch, the second power control node is provided with a second power control switch, and the smart grid The protection system includes: a first power supply protection device provided on the first control node of the first power circuit and electrically connected to the first power control switch, wherein the first power supply protection device includes : A first power consumption and leakage detection module for detecting a power consumption and a leakage state of the first power circuit; a first Bluetooth low energy communication module; and a first energy storage module Group, electrically connecting the first electric energy consumption and leakage detection module and the first Bluetooth low energy communication module, and the first energy storage module supplies power to the first electric energy consumption and leakage detection Module and the first Bluetooth low energy communication module; a second power protection device is disposed on the second control node of the second power circuit and is electrically connected to the second power control switch Wherein, the second power protection device includes: a second power consumption and leakage detection module for detecting a power consumption and a leakage state of the second power circuit; a second Bluetooth low energy Communication module A second energy storage module electrically connected to the second power consumption and leakage detection module and the second Bluetooth low energy communication module, and the second energy storage module supplies power to the second Electrical energy consumption and leakage detection module and the second Bluetooth low energy communication module; wherein the first electrical energy consumption and leakage detection module of the first power supply protection device detects the first power When the power consumption of the circuit is greater than a first upper limit value or the leakage state of the first power circuit is leakage, the first power supply protection device notifies the first power control switch to adjust the power consumption of the circuit. The output power of the first power circuit; wherein the first Bluetooth low energy communication module of the first power protection device notifies the second Bluetooth low energy communication module of the second power protection device Group to control the second power control switch corresponding to the second power control node.

In view of this, the present invention provides a smart grid protection method applicable to a grid system, wherein the grid system includes at least a first power circuit and a second power circuit, and the first power circuit includes at least a first power circuit A power transmission line, The second power circuit includes at least a second power transmission line, the first power circuit includes a first power control node, the second power circuit includes a second power control node, and the first power control node is provided. There is a first power control switch, and the second power control node is provided with a second power control switch. The smart grid protection method includes the following steps: using a first power protection device to detect a power consumption of the first power circuit. Power and a leakage state, if the first power supply protection device detects the power consumption of the first power circuit or the power leakage device is abnormal, the first power supply protection device enters a protection mode; according to The protection mode of the first power supply protection device regulates the output power of the first power power circuit; and a Bluetooth broadcast method is used to notify a second power supply protection device provided on the second power circuit to Regulating the output power of the second power circuit.

In summary, the smart grid protection system according to the embodiment of the present invention uses a power supply protection device that communicates with each other through the Bluetooth communication protocol, and uses the broadcast signal to notify the Power supply protection devices installed at other power control nodes, and then regulate the power consumption of each power circuit in the power consumption area.

1‧‧‧ power grid system

2‧‧‧Smart grid protection system

11‧‧‧first power circuit

12‧‧‧Second power circuit

13‧‧‧Third power circuit

14‧‧‧ Fourth Power Circuit

21‧‧‧The first power protection device

22‧‧‧Second power supply protection device

23‧‧‧Third power supply protection device

24‧‧‧Fourth power supply protection device

110‧‧‧First Power Transmission Line

120‧‧‧Second power transmission line

130‧‧‧ Third Power Transmission Line

140‧‧‧ Fourth Power Transmission Line

111‧‧‧First Power Control Node

121‧‧‧Second Power Control Node

131‧‧‧third power control node

141‧‧‧Fourth power control node

111A‧‧‧First Power Control Switch

121A‧‧‧Second power control switch

131A‧‧‧Third power control switch

141A‧‧‧Fourth power control switch

211‧‧‧First Power Consumption and Leakage Detection Module

212‧‧‧The first Bluetooth low energy communication module

213‧‧‧The first energy storage module

214‧‧‧The first temperature protection module

221‧‧‧Second power consumption and leakage detection module

222‧‧‧Second Low Energy Bluetooth Communication Module

223‧‧‧Second Energy Storage Module

224‧‧‧Second Temperature Protection Module

FIG. 1 is a schematic diagram of a smart grid protection system according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a first power supply protection device and a second power supply protection device according to an embodiment of the present invention.

FIG. 3 is a flowchart of a smart grid protection method according to an embodiment of the present invention.

The following is a description of the "Health Physical detection device "implementation, those skilled in the art can easily understand the advantages and effects of the present invention from the content disclosed in this description. The present invention can be implemented or applied through other different specific embodiments. Various details can also be modified and changed based on different viewpoints and applications without departing from the spirit of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not stated according to the actual size. Should be It is understood that although the terms first, second, third, etc. may be used herein to describe various elements, etc., these elements should not be limited by these terms. These terms are used to distinguish one element from another element. In addition, there are mentions And quantity or the like, unless otherwise stated, the application scope of the present invention should not be limited by its quantity or the like. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content It is not intended to limit the technical scope of the present invention.

[Embodiment of the smart grid protection system of the present invention]

Please refer to FIG. 1 and FIG. 2. FIG. 1 is a schematic diagram of a smart grid protection system according to an embodiment of the present invention. FIG. 2 is a schematic diagram of a first power supply protection device and a second power supply protection device according to an embodiment of the present invention.

In this embodiment, the smart grid protection system 2 is provided in a grid system 1. The grid system 1 includes at least two power circuits, that is, power circuits controlled by two power control nodes. In this embodiment, In the grid system 1, a first power circuit 11, a second power circuit 12, a third power circuit 13, and a fourth power circuit 14 are included. In this embodiment, the power grid system 1 is disposed in a power consumption area (not shown), and the size of the power consumption area is not limited in the present invention.

Moreover, each power circuit includes at least one power transmission line, that is, the first power circuit 11 includes at least one first power transmission line 110. The second power circuit 12 includes at least a second power transmission line 120. The third power circuit 13 includes at least a third power transmission line 130. The fourth power circuit 14 includes at least a fourth power transmission line 140.

Correspondingly, each power circuit includes a power control node, which is arranged on each power circuit and serves as a control node of each power circuit. That is, in this embodiment, the first power circuit 11 includes a first power control node 111 and is electrically connected to the first power transmission line 110. The second power circuit 12 includes a second power control node 121 electrically connected to the second power transmission line 120. The third power circuit 13 includes a third power control node 131 and is electrically connected to the third power transmission line 130. The fourth power circuit 14 includes a fourth power control node 141 electrically connected to the fourth power transmission line 140.

The first power control node 111 includes a first power control switch 111A. The second power control node 121 includes a second power control switch 121A. The third power control node 131 includes a third power control switch 131A. The fourth power control node 131 includes a fourth power control switch 131A.

The smart grid protection system 2 includes at least two power supply protection devices. In this embodiment, the smart grid protection system 2 includes a first power supply protection device 21, a second power supply protection device 22, a third power supply protection device 23, and a Fourth power protection device 24. The first power supply protection device 21, the second power supply protection device 22, the third power supply protection device 23, and the fourth power supply protection device 24 are respectively disposed at the first power control node 111, the second power control node 121, and the third power. The control node 131 and the fourth force control node 141 detect and regulate the leakage state and power consumption of the first power circuit 11, the second power circuit 12, the third power circuit 13, and the fourth power circuit 14, respectively, and Perform protective actions. Among them, the power consumption of each power circuit is the power consumption of each power circuit, and the leakage state is a situation where there is a fault point in each circuit, which will cause excessive current and make the power circuit unable to operate.

In this embodiment, the first power protection device 21 is electrically connected to the first power control switch 111A and the first power transmission line 110. The second power supply protection device 22 The second power control switch 121A and the second power transmission line 120 are connected. The third power protection device 23 is electrically connected to the third power control switch 131A and the third power transmission line 130. The fourth power supply protection device 24 is electrically connected to the fourth power control switch 141A and the fourth power transmission line 140.

In the following, only the first power supply protection device 21 and the second power supply protection device 22 in the smart grid protection system 2 will be described in detail. The third power supply protection device 23 and the fourth power supply protection device 24 have the same structure and functions as the first power supply protection device 21 and the second power supply protection device 22, and details are not described herein.

The first power protection device 21 includes a first power consumption and leakage detection module 211, a first Bluetooth low energy communication module 212, a first energy storage module 213, and a first temperature protection module 214. . The second power protection device 22 includes a second power consumption and leakage detection module 221, a second Bluetooth low energy communication module 222, a second energy storage module 223, and a second temperature protection module 214. .

In this embodiment, the communication protocols used by the first Bluetooth low energy communication module 212 and the second Bluetooth low energy communication module 222 include Bluetooth protocol 4.0 and Bluetooth protocol 5.0, which can be adjusted according to actual needs. The design is not limited in the present invention. The first Bluetooth low energy communication module 212 sends a first broadcast signal to communicate with the second Bluetooth low energy communication module 222. The second Bluetooth low energy communication module 222 can send a second broadcast signal to communicate with the second Bluetooth low energy communication module 212.

The first power consumption and leakage detection module 211 and the second power consumption and leakage detection module 221 are used to detect the power consumption and leakage status of the first power circuit 11 and the second power circuit 12, respectively. .

The first energy storage module 213 is electrically connected to the first power consumption and leakage detection module 211 and the first Bluetooth low energy communication module 212. The first energy storage module 213 supplies power The first electrical energy consumption and leakage detection module 211 and the first Bluetooth low energy communication module 212.

The second energy storage module 223 is electrically connected to the second power consumption and leakage detection module 221 and the second Bluetooth low energy communication module 222. The second energy storage module 223 supplies power to the second power consumption and leakage detection module 221 and the second Bluetooth low energy communication module 222.

In this embodiment, the first energy storage module 213 and the second energy storage module 223 are super capacitors or long-lasting battery cells, which are not limited in the present invention.

The first temperature protection module 214 is electrically connected to the first Bluetooth low energy communication module 212.

Wherein, when the first temperature protection module 214 detects that the temperature of the first power control node 111 or the temperature of the surrounding environment is higher than a first temperature, the first power protection device 21 provides an over-temperature warning signal to the first power control. The switch 111A is used to regulate the output power of the first power circuit 11. In this embodiment, the first temperature is between 50 and 70 degrees Celsius. In this embodiment, when the first temperature protection module 214 detects the temperature of the first power control node 111 or the temperature of the surrounding environment is higher than a second temperature, the first power protection device 21 notifies the first power control switch 111A The first electric circuit 11 is switched off. In this embodiment, the second temperature is between 90 and 150 degrees Celsius.

In addition, the first power protection device 21 will provide a warning signal through the first Bluetooth low energy communication module 212 to notify the second power protection device 22 so that the first power control switch 111A supplies power to the first power circuit 11 Adjustment.

Similarly, the second temperature protection module 214 is electrically connected to the second Bluetooth low energy communication module 222. Wherein, when the second temperature protection module 224 detects that the temperature of the second power control node 121 or the temperature of the surrounding environment is higher than a first temperature, the second power protection device 22 provides an over-temperature warning signal to the second power control. Switch 121A, In order to regulate the output power of the second power circuit 12. In this embodiment, the first temperature is between 50 and 70 degrees Celsius. In this embodiment, when the second temperature protection module 224 detects the temperature of the second power control node 121 or the temperature of the surrounding environment is higher than a second temperature, the second power protection device 22 notifies the second power control switch 121A The second power circuit 12 is cut off. In this embodiment, the second temperature is between 90 and 150 degrees Celsius. In this embodiment, the setting of the temperature interval can be adjusted and designed according to actual needs, and is not limited in the present invention.

Moreover, the second power protection device 22 will provide a warning signal through the second Bluetooth low energy communication module 222 to notify the first power protection device 21 so that the first power control switch 111A performs the corresponding first power circuit 11 Power supply adjustment.

In addition, the first power consumption and leakage detection module 211 of the first power supply protection device 21 detects that the power consumption of the first power circuit 11 is greater than a first upper limit value or the leakage state of the first power circuit 11 is already When there is a power leakage, the first power protection device 21 notifies the first power control switch 111A to adjust the output power of the first power circuit 11, that is, to reduce the output power of the ground-power circuit 11, or to cut off the first power. The electric energy of the circuit 11 is output.

The first Bluetooth low energy communication module 212 of the first power protection device 21 notifies the second Bluetooth low energy communication module 222 of the second power protection device 22, so that the second power protection device 22 controls the second power correspondingly. The output power value output from the second power control switch 121A of the control node 121.

Further, the second power consumption and leakage detection module 221 of the second power supply protection device 22 detects that the power consumption of the second power circuit 12 is greater than a first upper limit value or the leakage state of the second power circuit 12 When there is leakage, the second power supply protection device 22 notifies the second power control switch 121A to adjust the output power of the second power circuit 12, that is, to reduce the output power of the second power circuit 12, or to cut off the first power circuit. The electric energy output of the two electric power circuits 12.

The second Bluetooth low energy communication module 222 of the second power protection device 22 notifies the first Bluetooth low energy communication module 212 of the first power protection device 21 so that the first power protection device 21 controls the first power correspondingly. The output power value output by the first power control switch 111A of the control node 111.

In this embodiment, the number of power circuits, power control nodes, power transmission lines, power control switches, and power protection devices is not limited to the number listed above, and can be adjusted and designed according to actual needs, and is not limited in the present invention.

[Embodiment of the smart grid protection system of the present invention]

Please refer to FIG. 3, which is a flowchart of a smart grid protection method according to an embodiment of the present invention.

The embodiment of the present invention further provides a smart grid protection method, which is applicable to the above-mentioned power grid system 1 and smart grid protection system 2.

In this embodiment, the smart grid protection method includes the following steps: using a first power supply protection device to detect a power consumption and a leakage state of the first power circuit, and if the first power supply protection device detects all When the power consumption or the leakage device of the first power circuit is abnormal, the first power supply protection device enters a protection mode (step S110); the control unit is regulated according to the protection mode of the first power supply protection device. The output power of the first power circuit (step S120); using a Bluetooth broadcast method to notify a second power protection device provided in the second power circuit to regulate the output power of the second power circuit (step S120) S130).

In steps S110 and S120, the first power consumption and leakage detection module 211 of the first power protection device 21 detects that the power consumption of the first power circuit 11 is greater than a first upper limit value or the first power circuit When the leakage state of 11 is a leakage, the first power protection device 21 notifies the first power control switch 111A to adjust the power consumption of the first power circuit 11, that is, to reduce the power consumption of the first power circuit 11. The amount of power, or the power output of the first power circuit 11 is cut off, the first power protection device will enter the protection mode at this time.

In step S130, the first Bluetooth low energy communication module 212 of the first power protection device 21 sends a first broadcast signal to notify the second Bluetooth low energy communication module 222 of the second power protection device 22 to The second power supply protection device 22 is adapted to regulate and control the output power value output by the second power control switch 121A of the second power control node 121.

In this embodiment, the smart grid protection method further includes the following steps: a temperature value of each power control node or an ambient temperature value of the surrounding environment of each power control node, and determining whether to send a warning signal (step S140).

In step S140, when the first temperature protection module 214 detects that the temperature of the first power control node 111 or the ambient temperature of the surrounding environment is higher than a first temperature, the first power protection device 21 provides an over-temperature warning signal to The first power control switch 111A is used to regulate the output power of the first power circuit 11. In this embodiment, the first temperature is between 50 and 70 degrees Celsius. In this embodiment, when the first temperature protection module 214 detects the temperature of the first power control node 111 or the temperature of the surrounding environment is higher than a second temperature, the first power protection device 21 notifies the first power control switch 111A The first electric circuit 11 is switched off. In this embodiment, the second temperature is between 90 and 150 degrees Celsius.

In addition, the first power protection device 21 will provide a warning signal through the first Bluetooth low energy communication module 212 to notify the second power protection device 22 so that the first power control switch 111A supplies power to the first power circuit 11 Adjustment.

Similarly, the second temperature protection module 214 is electrically connected to the second Bluetooth low energy communication module 222. Wherein, when the second temperature protection module 224 detects that the temperature of the second power control node 121 or the ambient temperature of the surrounding environment is higher than a first temperature, the second power protection device 22 provides an over-temperature warning signal to the second power. Control switch 121A to regulate the output power of the second power circuit 12. In this embodiment, the first temperature is between 50 and 70 degrees Celsius. In this embodiment, when the second temperature protection module 224 detects the temperature of the second power control node 121 or the temperature of the surrounding environment is higher than a second temperature, the second power protection device 22 notifies the second power control switch 121A The second power circuit 12 is cut off. In this embodiment, the second temperature is between 90 and 150 degrees Celsius.

Moreover, the second power protection device 22 will provide a warning signal through the second Bluetooth low energy communication module 222 to notify the first power protection device 21 so that the first power control switch 111A performs the corresponding first power circuit 11 Power supply adjustment.

In summary, the smart grid protection system according to the embodiment of the present invention uses a power supply protection device that communicates with each other through the Bluetooth communication protocol, and uses the broadcast signal to notify the Power supply protection devices installed at other power control nodes, and then regulate the power consumption of each power circuit in the power consumption area.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of patent protection of the present invention. Therefore, any equivalent changes made using the description and drawings of the present invention are also included in the right protection of the present invention. Within the scope, joint Chen Ming.

Claims (10)

A smart grid protection system is provided in a grid system, wherein the grid system includes at least a first power circuit and a second power circuit, the first power circuit includes at least a first power transmission line, and the first The two power circuits include at least a second power transmission line, the first power circuit includes a first power control node, the second power circuit includes a second power control node, and the first power control node is provided with a first A power control switch, the second power control node is provided with a second power control switch, the first power circuit and the second power circuit are independent power circuits, and the smart grid protection system includes a first power supply protection A device disposed on the first control node of the first power circuit and electrically connected to the first power control switch, wherein the first power supply protection device includes a first power consumption power and a power leakage A detection module for detecting a power consumption and a leakage state of the first power circuit; a first Bluetooth low energy communication And a first energy storage module electrically connected to the first power consumption and leakage detection module and the first Bluetooth low energy communication module, the first energy storage module supplies power to The first power consumption and leakage detection module and the first Bluetooth low energy communication module are described; a second power supply protection device is provided on the second control node of the second power circuit, and To the second power control switch, wherein the second power supply protection device includes a second power consumption and leakage detection module for detecting a power consumption and a leakage of the second power circuit State; a second Bluetooth low energy communication module; and a second energy storage module electrically connected to the second power consumption and leakage detection module and the second Bluetooth low energy communication module, The second energy storage module supplies power to the second power consumption and leakage detection module and the second Bluetooth low energy communication module; wherein the first power of the first power protection device is Power consumption and leakage detection modules detect all When the power consumption of the first power circuit is greater than a first upper limit value or the leakage state of the first power circuit is leakage, the first power supply protection device notifies the first power control switch, To adjust the output power of the first power circuit; wherein the first Bluetooth low energy communication module of the first power protection device notifies the second low power consumption of the second power protection device A Bluetooth communication module to correspondingly regulate the second power control switch of the second power control node; wherein the first low-power Bluetooth communication module sends a first broadcast signal and the second low power The power-consuming Bluetooth communication module communicates, and the second low-power Bluetooth communication module sends a second broadcast signal to communicate with the first low-power Bluetooth communication module. For example, the smart grid protection system according to item 1 of the patent application scope, wherein the first power supply protection device further includes: a first temperature protection module electrically connected to the first Bluetooth low energy communication module; wherein, When the first temperature protection module detects that the temperature of the first power control node is higher than a first temperature, the first power protection device provides an over-temperature warning signal to the first power control switch to regulate the temperature of the first power control switch. The output power of the first power circuit is described, and the first power supply protection device provides a warning signal through the first Bluetooth low energy communication module to notify the second power supply protection device. For example, the smart grid protection system according to item 1 of the patent application scope, wherein the second power supply protection device further includes: a second temperature protection module electrically connected to the first Bluetooth low energy communication module; wherein, When the second temperature protection module detects that the temperature of the first power control node is higher than a first temperature, the second power supply protection device provides an over-temperature warning signal to the second power control switch to regulate the temperature of the second power control switch. The output power of the second power circuit is described, and the second power protection device provides a warning signal through the second low-power Bluetooth communication module to notify the first power protection device. For example, the smart grid protection system in the first scope of the patent application, wherein the first Bluetooth low energy communication module and the second Bluetooth low energy communication module use Bluetooth protocol 4.0 or Bluetooth protocol 5.0 for communication. . A smart grid protection method is applicable to a grid system, wherein the grid system includes at least a first power circuit and a second power circuit, the first power circuit includes at least a first power transmission line, and the second The power circuit includes at least a second power transmission line, the first power circuit includes a first power control node, the second power circuit includes a second power control node, and the first power control node is provided with a first power Control switch, the second power control node is provided with a second power control switch, the first power circuit and the second power circuit are independent power circuits, and the smart grid protection method includes the following steps: using a first The power supply protection device detects a power consumption and a leakage state of the first power circuit, and if the first power supply protection device detects the power consumption of the first power circuit or an abnormality of the leakage device The first power supply protection device enters a protection mode; and is adjusted according to the protection mode of the first power supply protection device. The output power of the first power power circuit; and using a Bluetooth broadcast to notify a second power supply protection device provided on the second power circuit to regulate the output power of the second power circuit; wherein, The first power supply protection device sends a first broadcast signal to communicate with the second power supply protection device; wherein, when the second power supply protection device detects the power consumption of the second power circuit or When the leakage device is abnormal, the second power supply protection device enters a protection mode, and the second power supply protection device sends a second broadcast signal to communicate with the first power supply protection device. For example, the method for protecting a smart grid according to item 5 of the application, further includes: detecting a temperature of each power control node or an ambient temperature of the surrounding environment of each power control node, and determining whether to send a warning signal. For example, the method for protecting a smart grid according to item 5 of the patent application, wherein the first power supply protection device includes a first power consumption and leakage detection module for detecting a power consumption of the first power circuit. And a leakage state; a first Bluetooth low energy communication module; and a first energy storage module electrically connected to the first electrical energy consumption and leakage detection module and the first Bluetooth low energy communication A module, the first energy storage module supplies power to the first electrical energy consumption and leakage detection module and the first Bluetooth low energy communication module; and a second power supply protection device is provided in the The second control node of the second power circuit is electrically connected to the second power control switch, wherein the second power protection device includes a second power consumption and leakage detection module for: Detecting a power consumption and a leakage state of the second power circuit; a second Bluetooth low energy communication module; and a second energy storage module electrically connected to the second power consumption and leakage detection Module and the first Two low-power Bluetooth communication modules. The second energy storage module supplies power to the second power consumption and leakage detection module and the second low-power Bluetooth communication module. For example, the smart grid protection method according to item 6 of the patent scope, wherein the first Bluetooth low energy communication module sends a first broadcast signal to communicate with the second Bluetooth low energy communication module. The second Bluetooth low energy communication module sends a second broadcast signal to communicate with the first Bluetooth low energy communication module. For example, the method for protecting a smart grid according to item 6 of the application, wherein the first power protection device includes: a first temperature protection module electrically connected to the first Bluetooth low energy communication module; wherein, when When the first temperature protection module detects that the temperature of the first power control node is higher than a first temperature, the first power protection device provides an over-temperature warning signal to the first power control switch to regulate the first power control switch. The output power of the first power circuit, and the first power protection device provides a warning signal through the first Bluetooth low energy communication module to notify the second power protection device. For example, the smart grid protection method according to item 6 of the patent application scope, wherein the first Bluetooth low energy communication module and the second Bluetooth low energy communication module use Bluetooth 4.0 or Bluetooth 5.0 for communication. .