Cold-resistant low-voltage power cable for new energy storage

Abstract

The invention relates to a cold-resistant low-voltage power cable for new energy storage in the field of cables, which comprises a wire core bundle, the wire core bundle comprises a plurality of core wires, the wire core bundle is sleeved with an inner protective layer, and the inner protective layer is fixedly connected with a plurality of uniformly distributed reinforcing rings; a grid reinforcing layer is connected between every two adjacent distributed reinforcing rings; the distribution reinforcing ring comprises an elastic ring body, a plurality of uniformly distributed reinforcing pipelines are fixedly connected to the elastic ring body, elastic joints are fixedly connected to the reinforcing pipelines, and a pressure sensing node is connected to the overlapping part of the elastic ring body and the grid reinforcing layer; wherein a first temperature sensing line and a second temperature sensing line are arranged in the two strengthening pipelines in a penetrating mode, the second temperature sensing line is used for detecting the external environment temperature, and the stable power transmission capacity is kept in the extremely low temperature environment; the structural strength of the cable is enhanced, and the cable can be self-heated to melt ice.

Description

TECHNICAL FIELD

[0001] The present application relates to a cold-resistant low-voltage power cable, in particular to a new energy storage cold-resistant low-voltage power cable for cable field. BACKGROUND

[0002] The existing new energy storage power cable mainly includes cross-linked polyethylene (XLPE) cable, polyvinyl chloride (PVC) cable, ethylene propylene rubber (EPDM) cable and oil-immersed insulation cable, etc. These cables consider different application environments and performance requirements, such as load capacity, temperature resistance, pressure resistance and mechanical strength, etc. when designing and manufacturing.

[0003] The existing cable in low temperature environment, the insulation and sheath material (such as PVC and some types of rubber) of the cable will become hard and brittle, resulting in the mechanical properties of the material decrease, prone to crack and break. Low temperature will cause the cable material to shrink, thereby causing the internal stress to increase, which may cause poor sealing at the joint and connection part, increasing the risk of failure.

[0004] The specification of Chinese invention patent CN116189986B discloses a cold-resistant cable, which comprises a cable core, a heat-conducting layer wrapped outside the cable core, a heat preservation layer wrapped outside the heat-conducting layer, and a heating assembly arranged in the heat preservation layer; the heating assembly comprises an electric heating wire, a first contact piece and a temperature change piece; the electric heating wire is electrically connected with the positive or negative pole of the first power supply. The cold-resistant cable of the invention can start the heating assembly to heat when the ambient temperature decreases, and the heat-conducting layer and the electric heating assembly together provide heat for the heat preservation layer, so that the cable has good cold resistance.

[0005] The specification of Chinese invention patent CN117790069B discloses a cold-resistant 35kV power cable. Under the action of heat conduction, heat enters the inside of the heat-conducting hose, the heat generated by the conductor flows through the air vent and the heat hole from the side vent, and the overflowed heat can melt the ice around it faster. The steel wire rope speeds up the melting speed of the ice and splits the ice. Under the action of gravity, the split ice can fall off the cable, further speeding up the ice melting speed.

[0006] The existing power cable surface is prone to accumulate ice, which causes heavy burden on the load capacity of the cable, and thus is prone to failure. Therefore, the performance and service life of the existing cable may not meet the requirements when used in cold regions. SUMMARY

[0007] In view of the above existing technology, the technical problem to be solved by the present application is that the existing power cable surface is prone to accumulate ice, which causes heavy burden on the load capacity of the cable, and thus is prone to failure. Therefore, the performance and service life of the existing cable may not meet the requirements when used in cold regions.

[0008] To solve the above problems, the application provides a new energy storage cold-resistant low-voltage power cable, which comprises a core bundle, the core bundle 1 comprises a plurality of core wires, the core bundle is sleeved with an inner protective layer, the inner protective layer is fixedly connected with a plurality of uniformly distributed distribution reinforcement rings; a grid reinforcement layer is connected between adjacent two distribution reinforcement rings; The distribution reinforcement ring comprises an elastic ring body, a plurality of uniformly distributed reinforcement pipelines are fixedly connected to the elastic ring body, an elastic joint is fixedly connected to the reinforcement pipeline, and a pressure sensing node is connected at the overlapping position of the elastic ring body and the grid reinforcement layer; First and second temperature sensing wires are arranged in the two reinforcement pipelines, the second temperature sensing wire is used for detecting the external environment temperature, and the two ends of the second temperature sensing wire are connected with sensing probes inserted into the inner protective layer; the second temperature sensing wire is used for detecting the temperature of the core bundle, a main data line is arranged in the distribution reinforcement ring, and the grid reinforcement layer, the first temperature sensing wire and the second temperature sensing wire are connected in parallel with the main data line; The grid reinforcement layer comprises carbon fiber heating bands connected with the elastic ring body, a plurality of uniformly distributed carbon fiber connecting bands are connected between the carbon fiber heating bands, and a heat conduction net is connected between adjacent two carbon fiber connecting bands. An outer protective layer covering the grid reinforcement layer is connected between adjacent two distribution reinforcement rings; a plurality of distribution gateways are arranged on the outer protective layer, and a connecting wire is connected between each distribution gateway and a distribution reinforcement ring.

[0009] In the above cold-resistant low-voltage power cable, stable power transmission capacity can be maintained in an extremely low temperature environment.

[0010] As a further improvement of the application, the outer protective layer is made of a modified polyethylene-based nanocomposite material, and an ice-repellent coating is embedded on the surface of the outer protective layer.

[0011] As a further improvement of the application, the spacing between adjacent two distribution reinforcement rings is 5-10 meters, a humidity sensor is installed on the distribution reinforcement ring, and a terminal post penetrating through the inner protective layer and connected with the core bundle is installed at the inner end of the distribution reinforcement ring.

[0012] As a further improvement of the application, the manufacturing material of the inner protective layer comprises a low-temperature-resistant polyurethane and a graphene composite foam.

[0013] As another improvement of the application, an auxiliary protection system is further included, the auxiliary protection system comprises a terminal processor connected with the distribution gateway, and the terminal processor is connected with a control module, a monitoring module, a data processing module, a data storage module and a communication module. The control module is configured to receive monitoring data from the distribution gateway, including cable inside and outside temperature, external pressure and other information, and to monitor and control the operation state of the cable in real time according to a preset protection strategy; the control module is provided with a warning mode, an ice melting mode and an emergency protection mode; The monitoring module is configured to collect monitoring data, including external temperature data, core bundle temperature data and pressure data; the monitoring module collects temperature and pressure data of each monitoring partition of the cable in real time through the first temperature sensing line, the second temperature sensing line and the pressure sensing node, to ensure the accuracy and timeliness of the data; The data processing module is configured to process and analyze the data collected by the monitoring module, to identify cable faults or abnormal conditions, and to provide decision support for the control module; The data storage module is configured to store the monitoring data and processing results of the cable; The communication module is configured to establish a communication connection with the distribution gateway.

[0014] As a further improvement of the present application, the specific steps of the warning mode operation include: first, the first temperature sensing line and the second temperature sensing line are used to monitor the temperature data inside and outside the cable in real time, and at the same time, the pressure sensing node is used to monitor the pressure data outside the cable in real time; the monitoring module transmits these data to the data processing module in real time, the data processing module analyzes the monitoring data to identify whether an abnormal condition occurs, the abnormal condition includes: the temperature rise rate exceeds the set value, the monitoring temperature data exceeds the set value, the pressure monitoring data exceeds the set value, and the pressure monitoring data increase rate exceeds the set value; when an abnormal condition is identified, the data processing module sends a warning signal to the control module, so that the control module starts the corresponding warning measures, the warning measures include: sending warning information to the management personnel, and adjusting the operation state of the cable.

[0015] As a further improvement of the present application, the specific steps of the ice melting mode operation include: when the second temperature sensing line detects that the external environment temperature drops below the preset ice melting threshold, and at the same time the pressure sensing node detects that the pressure value exceeds the preset ice accumulation threshold, the data processing module sends an ice melting start signal to the control module; after receiving the signal, the control module sends an instruction to the corresponding distribution gateway through the terminal processor to activate the corresponding grid reinforcement layer; after the grid reinforcement layer is powered on, it generates heat to melt the ice and snow on the surface of the cable; when the external environment temperature rises to the preset safety range or the pressure value detected by the pressure sensing node is lower than the preset minimum ice accumulation value, the control module automatically turns off the grid reinforcement layer, ending the ice melting mode.

[0016] As a supplement to the further improved application, the specific steps of the emergency protection mode include: when any monitored data exceeds the corresponding set threshold, the data processing module immediately sends an emergency protection signal to the control module, and after the control module receives the signal, the preset emergency protection measures are started.

[0017] In summary, the cold-resistant low-voltage power cable of the present application can maintain stable power transmission capacity in an extremely low-temperature environment. The distributed reinforcement ring and the grid reinforcement layer enhance the structural strength of the cable. The real-time monitoring and intelligent control of the cable state are also realized. In the ice melting mode, the cable can independently cope with the ice accumulation situation, effectively prevent power interruption caused by snow cover, and improve the reliability and safety of power transmission. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective view of the cable of the first embodiment of the present application; Figure 2 A perspective view of the cable of the first embodiment of the present application; Figure 1 A structural schematic view of the structure at A in FIG. 1; Figure 3 A cross-sectional view of the cable of the first embodiment of the present application; Figure 4 A structural schematic view of the structure at B in FIG. 1; Figure 3 A structural schematic view of the structure at B in FIG. 1; Figure 5 A side cross-sectional view of the first embodiment of the present application; Figure 6 A schematic view of the connection between the cable and the distribution gateway of the first embodiment of the present application; Figure 7 A system block diagram of the two embodiments of the present application.

[0019] REFERENCE NUMERALS IN DRAWINGS 1, core bundle; 2, inner protective layer; 3, distributed reinforcement ring; 31, elastic ring body; 32, reinforced pipeline; 33, pressure sensing node; 35, first temperature sensing line; 36, second temperature sensing line; 4, grid reinforcement layer; 41, carbon fiber heating belt; 42, carbon fiber connecting belt; 43, heat-conducting net; 5, outer protective layer; 6, distribution gateway. DETAILED DESCRIPTION

[0020] The two embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0021] First embodiment: Figures 1-6The application discloses a new energy storage cold-resistant low-voltage power cable, which comprises a core bundle 1, the core bundle 1 comprises a plurality of core wires, an inner protective layer 2 is sleeved on the core bundle 1, and a plurality of uniformly distributed distribution reinforcing rings 3 are fixedly connected to the inner protective layer 2; a grid reinforcing layer 4 is connected between adjacent two distribution reinforcing rings 3. The distribution reinforcing ring 3 comprises an elastic ring body 31, a plurality of uniformly distributed reinforcing pipes 32 are fixedly connected to the elastic ring body 31, elastic joints are fixedly connected to the reinforcing pipes 32, and a pressure sensing node 33 is connected to the coincidence position of the elastic ring body 31 and the grid reinforcing layer 4; the elastic ring body 31 is made of an elastic material and is equidistantly distributed on the cable, and can play a role in structural reinforcement and improvement of buffering capacity. First and second temperature sensing lines 35 and 36 are arranged in the two reinforcing pipes 32, the second temperature sensing line 36 is used for detecting an external environment temperature, a detection end of the second temperature sensing line 36 faces the outside of the cable, sensing probes inserted into the inner protective layer 2 are connected to the two ends of the second temperature sensing line 36, the second temperature sensing line 36 is used for detecting the temperature of the core bundle 1, a main data line is arranged in the distribution reinforcing ring 3, and the grid reinforcing layer 4, the first temperature sensing line 35 and the second temperature sensing line 36 are connected in parallel with the main data line; the temperature on the inside and outside of the cable is detected through the first and second temperature sensing lines 35 and 36, and the external pressure of the cable is detected through the pressure sensing node 33; the distribution reinforcing ring 3 is used for forming a plurality of monitoring subareas on the cable, so that monitoring data of each subarea on the cable can be conveniently collected; the first and second temperature sensing lines 35 and 36 are installed by a person skilled in the art by using a suitable temperature sensor in the prior art. The spacing between the adjacent two distribution reinforcing rings 3 is 5-10 m, a humidity sensor is installed on the distribution reinforcing ring 3, and a terminal post penetrating through the inner protective layer 2 and connected with the core bundle 1 is installed at the inner end of the distribution reinforcing ring 3; one end of the terminal post is electrically connected with the main data line, and the other end of the terminal post is electrically connected with one core wire. The grid reinforcing layer 4 comprises carbon fiber heating bands 41 connected with the elastic ring body 31, a plurality of uniformly distributed carbon fiber connecting bands 42 are connected between the carbon fiber heating bands 41, and heat conduction nets 43 are connected between adjacent two carbon fiber connecting bands 42. The grid reinforcing layer 4 is used for realizing subarea heating, so that the cold resistance of the cable in a low-temperature environment is improved. The carbon fiber heating bands 41 and the carbon fiber connecting bands 42 are started by receiving a control signal through the main data line, and the heat conduction nets 43 can effectively and uniformly transmit heat to the whole area, so that the occurrence of local overheating or uneven temperature is reduced. The main body of the grid reinforcing layer 4 is in a grid shape and is provided with the heat conduction nets 43, the puncture resistance and the tensile resistance of the cable are improved, and the structural strength of the cable is further strengthened.

[0022] The outer protective layer 5 is connected with the outer protective layer 5 of the adjacent two distribution reinforcement rings 3, and the outer protective layer 5 is provided with a plurality of distribution gateways 6, and each distribution gateway 6 is connected with a distribution reinforcement ring 3 through a connecting line; and a plurality of distribution reinforcement rings 3 exist between the adjacent two distribution gateways 6; The surface of each interval outer protective layer 5 is provided with anti-skid lines, the outer protective layer 5 is made of modified polyethylene-based nanocomposite material, and the surface of the outer protective layer 5 is embedded with an ice-repellent coating. The ice-repellent coating is set by selecting a suitable material in the prior art by those skilled in the art, for example, fluorosilicon polymer. The ice-repellent coating is made of fluorosilicon polymer material, which reduces the adhesion of ice layer by reducing the surface energy, and cooperates with the outer protective layer 5 of the modified polyethylene-based nanocomposite material to synergistically inhibit the accumulation of ice and snow. The manufacturing material of the inner protective layer 2 includes low-temperature-resistant polyurethane and graphene composite foam.

[0023] The cable of the scheme is convenient for heating and melting the surface ice and snow, and is convenient for maintaining stable power transmission capacity in an extremely low-temperature environment.

[0024] The second embodiment: Figure 7 It is shown that the auxiliary protection system further includes a terminal processor connected with the distribution gateway 6, and the terminal processor is connected with a control module, a monitoring module, a data processing module, a data storage module and a communication module. The control module is used for receiving monitoring data from the distribution gateway 6, including cable internal and external temperature, external pressure and other information, and real-time monitoring and controlling the operation state of the cable according to a preset protection strategy; the control module is provided with a warning mode, an ice melting mode and an emergency protection mode; The monitoring module is used for collecting monitoring data, and the monitoring data includes external temperature data, wire core bundle 1 temperature data and pressure data; through the first temperature sensing line 35, the second temperature sensing line 36 and the pressure sensing node 33, the monitoring module collects temperature and pressure data of each monitoring partition of the cable in real time, to ensure the accuracy and timeliness of the data; The data processing module is used for processing and analyzing the data collected by the monitoring module, identifying possible faults or abnormal conditions of the cable, and providing decision support for the control module; The data storage module is used for storing the monitoring data and processing results of the cable, establishing a cable operation history database, and facilitating subsequent data analysis and fault troubleshooting. At the same time, the data storage module also supports data export and backup functions, to ensure the safety and traceability of the data; The communication module is used to establish a communication connection with the distribution gateway 6; the main data line transmits the monitoring data to the distribution gateway 6, and then the distribution gateway 6 transmits the data to the terminal processor; the instructions sent by the terminal processor are sent to the corresponding grid reinforcement layer 4 through the distribution gateway 6 and the main data line; The specific steps of the early warning mode include: first, the first temperature sensing line 35 and the second temperature sensing line 36 are used to monitor the temperature data inside and outside the cable in real time, and at the same time, the pressure sensing node 33 is used to monitor the pressure data outside the cable in real time; the monitoring module transmits these data to the data processing module in real time, the data processing module analyzes the monitoring data, and identifies whether an abnormal situation occurs; the abnormal situation includes: the temperature rising rate exceeds the set value, the monitoring temperature data exceeds the set value, the pressure monitoring data exceeds the set value, and the pressure monitoring data increasing rate exceeds the set value; when the abnormal situation is identified, the data processing module sends a warning signal to the control module, so that the control module is connected to start the corresponding warning measures; the warning measures include: sending warning information to the management personnel, and adjusting the operation state of the cable; at the same time, the control module also stores the warning information in the data storage module for subsequent analysis and troubleshooting. The specific steps of the ice melting mode include: when the second temperature sensing line 36 detects that the external environment temperature drops below the preset ice melting threshold, and at the same time, the pressure sensing node 33 detects that the pressure value exceeds the preset ice accumulation threshold, the data processing module sends an ice melting start signal to the control module; after receiving the signal, the control module sends an instruction to the corresponding distribution gateway 6 through the terminal processor to activate the corresponding grid reinforcement layer 4; after the grid reinforcement layer 4 is powered on, it generates heat to melt the ice and snow on the surface of the cable; at the same time, the monitoring module continuously monitors the external environment temperature and the state inside the cable to ensure that the ice melting temperature is within the set range, and monitors whether water vapor has penetrated into the cable; when the external environment temperature rises to the preset safe range or the pressure value detected by the pressure sensing node 33 is lower than the preset minimum ice accumulation value, the control module automatically turns off the grid reinforcement layer 4 to end the ice melting mode. In the ice melting mode, when the humidity sensor detects that the humidity inside the cable rises, an alarm is given, and the ice melting mode is stopped, and the emergency protection mode is started.

[0025] The specific steps of the emergency protection mode include: when any monitoring data exceeds the corresponding set threshold, the data processing module immediately sends an emergency protection signal to the control module; after receiving the signal, the control module starts the preset emergency protection measures; the emergency protection measures include: cutting off the power supply of the cable, sending an alarm information, and starting a backup power supply; at the same time, the control module stores the emergency protection information in the data storage module, and records the time, position and reason of the fault, etc., which provides an important basis for subsequent fault troubleshooting and repair; after the emergency protection measures are started, the management personnel can check the cable state and the operation record of the control module in real time through the terminal processor, so as to take further measures in time.

[0026] The cold-resistant low-voltage power cable of the scheme realizes stable power transmission capacity in an extremely low-temperature environment; through the setting of the distributed reinforcing ring 3 and the grid reinforcing layer 4, the structural strength of the cable is enhanced, and real-time monitoring and intelligent control of the cable state are also realized; in the ice melting mode, the cable can independently cope with the ice accumulation situation, effectively prevent the power interruption caused by ice and snow coverage, and improve the reliability and safety of power transmission.

[0027] In combination with the current actual demand, the above-mentioned embodiments adopted by the application are not limited to this, various changes made within the knowledge range of the technical personnel in the art without departing from the concept of the application still fall within the protection range of the application.

Claims

1. A cold-resistant low-voltage power cable for new energy storage, comprising a wire core bundle (1), wherein the wire core bundle (1) comprises a plurality of core wires, and is characterized in that: An inner protective layer (2) is sleeved on the wire core bundle (1), and a plurality of evenly distributed distribution reinforcement rings (3) are fixedly connected to the inner protective layer (2); a grid reinforcement layer (4) is connected between two adjacent distribution reinforcement rings (3); The distributed reinforcement ring (3) comprises an elastic ring body (31), a plurality of uniformly distributed reinforcement pipelines (32) are fixedly connected to the elastic ring body (31), an elastic joint (32) is fixedly connected to the reinforcement pipeline (32), and a pressure sensing node (33) is connected to the overlap between the elastic ring body (31) and the grid reinforcement layer (4); Two of the reinforcement pipelines (32) are provided with a first temperature sensing line (35) and a second temperature sensing line (36), the second temperature sensing line (36) is used to detect the external ambient temperature, both ends of the second temperature sensing line (36) are connected to a sensing probe inserted into the inner protective layer (2), the second temperature sensing line (36) is used to detect the temperature of the wire core bundle (1), the main data line is laid in the distribution reinforcement ring (3), and the grid reinforcement layer (4), the first temperature sensing line (35) and the second temperature sensing line (36) are all connected in parallel with the main data line; The grid reinforcement layer (4) includes a carbon fiber heating belt (41) connected to the elastic ring body (31), a plurality of evenly distributed carbon fiber connecting belts (42) are connected between the plurality of carbon fiber heating belts (41), and a heat conducting net (43) is connected between two adjacent carbon fiber connecting belts (42); An outer protective layer (5) covering a grid reinforcement layer (4) is connected between two adjacent distribution reinforcement rings (3); a plurality of distribution gateways (6) are provided on the outer protective layer (5), and each distribution gateway (6) is connected to a distribution reinforcement ring (3) by a connecting line.

2. A cold-resistant low-voltage power cable for new energy storage according to claim 1, characterized in that: The outer protective layer (5) is made of a modified polyethylene-based nanocomposite material, and an ice-phobic coating is embedded on the surface of the outer protective layer (5).

3. The cold-resistant low-voltage power cable for new energy storage according to claim 1, characterized in that: The spacing between two adjacent distribution reinforcement rings (3) is 5-10 meters. A humidity sensor is installed on the distribution reinforcement ring (3). The inner end of the distribution reinforcement ring (3) is installed with a terminal that penetrates the inner protective layer (2) and is connected to the wire core bundle (1). One end of the terminal is electrically connected to the main data line, and the other end of the terminal is electrically connected to a core wire.

4. A cold-resistant low-voltage power cable for new energy storage according to claim 1 ， Its characteristics are: The inner protective layer (2) is made of materials including low-temperature-resistant polyurethane and graphene composite foam.

5. The cold-resistant low-voltage power cable for new energy storage according to claim 1, characterized in that: It also includes an auxiliary protection system, which includes a terminal processor connected to the distribution gateway (6), and the terminal processor is connected to a control module, a monitoring module, a data processing module, a data storage module and a communication module; The control module is used to receive monitoring data from the distribution gateway (6), including information such as the temperature inside and outside the cable, external pressure, etc., and to monitor and control the operating status of the cable in real time according to a preset protection strategy; The control module is equipped with early warning mode, ice melting mode and emergency protection mode; The monitoring module is used to collect monitoring data, which includes: external temperature data, wire core bundle (1) temperature data and pressure data; Through the first temperature sensing line (35), the second temperature sensing line (36) and the pressure sensing node (33), the monitoring module collects temperature and pressure data of each monitoring zone of the cable in real time to ensure the accuracy and timeliness of the data; The data processing module is used to process and analyze the data collected by the monitoring module, identify cable faults or abnormal conditions, and provide decision support for the control module; The data storage module is used to store the monitoring data and processing results of the cable; The communication module is used to establish a communication connection with the distribution gateway.

6. A cold-resistant low-voltage power cable for new energy storage according to claim 5, characterized in that: The specific steps of the early warning mode include: first, monitoring the temperature data inside and outside the cable in real time through the first temperature sensing line (35) and the second temperature sensing line (36); at the same time, monitoring the pressure data outside the cable in real time through the pressure sensing node (33); the monitoring module transmits these data to the data processing module in real time; the data processing module analyzes the monitoring data and identifies whether an abnormal situation occurs. The abnormal situation includes: the temperature rise rate exceeds the set value, the monitored temperature data exceeds the set value, the pressure monitoring data exceeds the set value, and the pressure monitoring data increase rate exceeds the set value; when an abnormal situation is identified, the data processing module sends an early warning signal to the control module, so that the control module starts corresponding early warning measures, and the early warning measures include: sending early warning information to management personnel and adjusting the operating status of the cable.

7. The cold-resistant low-voltage power cable for new energy storage according to claim 5, characterized in that: The specific steps of the ice melting mode include: when the second temperature sensing line (36) detects that the external environment temperature drops below a preset ice melting threshold, and at the same time the pressure sensing node (33) detects that the pressure value exceeds a preset ice accumulation threshold, the data processing module sends an ice melting start signal to the control module. After receiving the signal, the control module sends an instruction to the corresponding distribution gateway (6) through the terminal processor to activate the corresponding grid reinforcement layer (4). The grid reinforcement layer (4) generates heat after being energized, so that the ice and snow on the cable surface melt. After the external environment temperature returns to a preset safety range or the pressure value detected by the pressure sensing node (33) is lower than the preset minimum ice accumulation value, the control module automatically closes the grid reinforcement layer (4) to end the ice melting mode.

8. The cold-resistant low-voltage power cable for new energy storage according to claim 5, characterized in that: The specific steps of the emergency protection mode include: when any monitoring data exceeds the corresponding set threshold, the data processing module immediately sends an emergency protection signal to the control module, and after the control module receives the signal, it starts the preset emergency protection measures.

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