CN104035385A - Monitoring system and method for steel coil storage environment - Google Patents

Abstract

The system comprises a steel coil sensor, an environment sensor wireless transceiving unit and a cloud server. The steel coil sensor is arranged in a unit space for storing the steel coil and used for sensing and transmitting the steel coil surface environment sensing signals stored in the steel coil in the unit space. The environment sensor is arranged in the atmospheric environment outside the steel coil storage and used for sensing and transmitting atmospheric environment sensing signals. The wireless receiving and transmitting unit is used for receiving and transmitting the steel coil surface environment sensing signal and the atmospheric environment sensing signal. The cloud server is used for receiving the steel coil surface environment sensing signals and the atmospheric environment sensing signals transmitted from the wireless receiving and transmitting unit, and recording and analyzing the steel coil surface environment sensing signals and the atmospheric environment sensing signals. In addition, the invention also provides an environment monitoring method for steel coil storage, which is suitable for the monitoring system.

Description

Monitoring system and method for steel coil storage environment

【Technical field】

The present invention relates to an environment monitoring system and its method, and in particular to a steel coil storage environment monitoring system and its method.

【Background technique】

Steel thin plate products are usually packaged in roll form. The steel plate is rolled and formed according to the packaging specifications specified by the customer, and the outside is covered with polyethylene coated paper to protect the thick cardboard. Then the iron steel belt and iron circumferential frame are used to fix the package. . In addition, Taiwan, China has an island-type climate, and steel coils are easily affected by moisture. Once the packaging is not perfect, or the packaging is damaged during transportation and storage and hanging operations, the surface of the steel coil reaches the saturation temperature of moisture condensation, and the surface moisture is saturated into a liquid form, and tiny water droplets can easily invade the inner packaging and cause corrosion of the steel coil product . Please refer to Fig. 1, which shows a perspective view of the dew point according to the surface environment of the steel coil. The belt 14 is fixed, and when the surface environment of the steel coil 10 reaches the dew point, the surface of the outer ring of the steel coil 10 has corrosion (indicated by arrow A) and condensation (indicated by arrow B), and the polyethylene in the inner ring of the steel coil 10 is dripping. The surface of the film paper 12 has traces of water stains (indicated by arrow C).

Steel coil packaging focuses on anti-corrosion and product protection according to the characteristics of steel products. The purpose is to provide good protection for steel coils during the production, transportation, storage and delivery of steel products. In terms of anti-corrosion, steel coil manufacturers usually cover steel coil products with paper-coated polyethylene plastic film, cover the center eye circle of the steel coil ring with thick cardboard, and further fix the inner ring and outer ring with steel sheets and steel strips . Steel manufacturers consider the convenience of subsequent processing and the labor cost of unpacking steel coils. Generally, steel coils do not use complicated and dense packaging, but consider sufficient waterproof and anti-rust packaging effects, and focus on providing strong support around the hanging points of steel coils. Protect.

At present, the packaging technology of steel coil products focuses on the improvement of three technical categories: packaging methods, packaging materials, and packaging equipment. In terms of packaging methods and packaging materials, the technical standards of major steel mills have come close to the same, and this technology is also popularized in the middle and lower reaches of the industrial chain. As for equipment, because high-end fully/semi-automated packaging equipment is too expensive, the packaging winding method cannot be changed to meet the flexible packaging needs, so most steel companies still use manual packaging of steel coils. In addition to the negligence of personnel packaging operations, when the steel coil production operation is tight, the packaging operation cannot match the production speed; or due to the large number of materials and packaging methods, the packaging procedures are complicated and cause materials to be used incorrectly, resulting in uneven external protective packaging, waterproof and anti-rust Shortcomings such as the inaccuracy of the seal surfaced one by one. In addition, cranes or forklifts are often used to hang steel coils in warehousing and transportation operations. The complete protective packaging of steel coils may be damaged due to insufficient protection during transportation and hanging operations, resulting in inadequate waterproof and anti-corrosion protection for steel coils. Gas and moisture can easily invade the inside of the steel coil. Once the surface temperature of the steel coil product drops to the dew point temperature of the water vapor and moisture, the inside of the stored steel coil will be exposed to the water vapor corrosion environment for a long time and it will not be easy to be found.

Due to the large size and weight of steel coils, a large storage space is required to cooperate with the operation. It is too expensive and uneconomical to build a storage environment with constant temperature and humidity for steel coil storage. When there are a lot of steel coils in stock, the steel coils are placed in stacks to save plane space. The intrusive corrosion of water vapor and moisture condensation is not easy to store and store steel coils from the outside for visual inspection. It is necessary to carry out steel coil hanging operations to find out suspected moisture. In addition to the loss of product value due to corrosion of the steel coil, the process of unwinding and rewinding the steel coil for repackaging not only reduces the production efficiency of the factory, but also burdens the industry with related inspection costs.

In addition, Taiwan is located in the subtropical region, with an average humidity of over 70%. Steel coils are loaded and transported in containers or closed cabins of bulk carriers. Often due to poor ventilation and changes in atmospheric temperature during the voyage, the interior of the container cabin is saturated with moisture. Water droplets and condensation are formed on the surface or inside of the steel coil packaging, which will damage the surface quality of the steel coil. The marine transportation insurance company often disputes with the insurer about the compensation liability for the corrosion damage, so it is necessary to monitor the ambient temperature and humidity of the steel coil during transportation.

In view of this, how to develop a steel coil storage environment monitoring system and method to solve the lack of existing technology is an urgent problem for those in the related technical field.

【Content of invention】

Therefore, an aspect of the present invention is to provide an environmental monitoring system for steel coil storage. The steel coil storage includes at least one unit space for storing steel coils. The environmental monitoring system includes a steel coil sensor, an environmental sensor, a wireless transceiver unit and A cloud server. The steel coil sensor is arranged in the unit space, and is used for sensing and emitting the steel coil surface environmental sensing signal stored in the steel coil in the unit space. The environmental sensor is arranged in the atmospheric environment outside the steel coil storage, and is used for sensing and emitting a plurality of atmospheric environment sensing signals. The wireless transceiver unit is configured to receive and transmit steel coil surface environment sensing signals and atmospheric environment sensing signals. The cloud server is configured to receive the steel coil surface environment sensing signal and the atmospheric environment sensing signal transmitted from the wireless transceiver unit, and record and analyze the steel coil surface environment sensing signal and the atmospheric environment sensing signal.

In addition, another aspect of the present invention is to provide an environmental monitoring method for steel coil storage, which is used in the above-mentioned monitoring system. The steel coil storage includes at least one unit space for storing steel coils. The steps of the monitoring method include setting a steel coil The coil sensor is on the surface of the steel coil to sense and transmit the environmental sensing signal on the steel coil surface; an environmental sensor is installed on the atmospheric environment outside the steel coil warehouse to sense and transmit the atmospheric environmental sensing signal; a wireless transceiver is installed A unit for receiving and transmitting steel coil surface environment sensing signals and atmospheric environment sensing signals; and setting a cloud server for receiving steel coil surface environment sensing signals and atmospheric environment sensing signals transmitted from the wireless transceiver unit , and record and analyze the steel coil surface environment sensing signal and atmospheric environment sensing signal.

【Description of drawings】

In order to make the above and other objects, features, advantages and embodiments of the present invention more obvious and understandable, the accompanying drawings are described as follows:

FIG. 1 is a three-dimensional schematic diagram of reaching the dew point according to the surface environment of the steel coil.

FIG. 2 is a control block diagram of a steel coil storage environment monitoring system according to an embodiment of the present invention.

FIG. 3 is a flow chart of an environment monitoring method for steel coil storage according to an embodiment of the present invention.

FIG. 4A is a schematic perspective view of a unit space for storing steel coils according to an embodiment of the present invention.

FIG. 4B is a schematic perspective view of a unit space for storing steel coils according to another embodiment of the present invention.

【Detailed ways】

In order to make the description of the present disclosure more detailed and complete, the following provides an illustrative description of the implementation aspects and specific embodiments of the present invention; but this is not the only form of implementing or using the specific embodiments of the present invention. The description covers features of various embodiments as well as method steps and their sequences for constructing and operating those embodiments. However, other embodiments can also be used to achieve the same or equivalent functions and step sequences.

In the following description, numerous specific details will be set forth in order to enable readers to fully understand the following embodiments. However, embodiments of the invention may be practiced without these specific details. In other instances, well-known structures and devices are only schematically shown in order to simplify the drawings.

Please refer to FIG. 2 , which shows a control block diagram of an environmental monitoring system for steel coil storage according to an embodiment of the present invention. As shown in FIG. 2 , the steel coil storage 100 includes at least one unit space 110 for storing steel coils 112 , and the environment monitoring system includes a steel coil sensor 120 , an environment sensor 130 , a wireless transceiver unit 140 and a cloud server 150 .

The steel coil sensor 120 is disposed in the unit space 110 for sensing and emitting the steel coil surface environment sensing signal of the steel coil sensor 120 stored on the steel coil 112 surface 112' in the unit space. The unit space 110 where each steel coil is stored has one or more steel coil sensors 120, and the steel coil sensor 120 is arranged on the inner ring surface 112' of the steel coil. In one embodiment, the coil sensor 120 is a thermometer, a hygrometer or a combination thereof. In another embodiment, the steel coil sensor 120 further includes a first memory unit 122 for recording the steel coil surface environment sensing signal measured by the steel coil sensor 120 .

The environmental sensor 130 is arranged in the atmospheric environment 100' outside the steel coil storage 100, and is used for sensing and emitting atmospheric environment sensing signals. In one embodiment, the environmental sensor 130 is a thermometer, a hygrometer or a combination thereof. In another embodiment, the environment sensor 130 further includes a second memory unit 132 for recording the atmospheric environment sensing signal measured by the environment sensor 130 . The types of the steel coil sensor and the environment sensor mentioned above are not limited thereto, and sensors with different functions can be provided according to the timing requirements. In addition, when the monitored steel coil leaves the storage area, the sensing and recording equipment is reset for use.

The wireless transceiver unit 140 is configured to receive and transmit the steel coil surface environment sensing signal and the atmospheric environment sensing signal from the steel coil sensor 120 and the environment sensor 130 . The above-mentioned wireless transceiver unit 140 can be any known Wifi module or other wireless data transmission modules such as UHF, and its data memory unit can be designed to temporarily store the data measured by the steel coil sensor and the environmental sensor.

The cloud server 150 is configured to receive the steel coil surface environment sensing signal and the atmospheric environment sensing signal transmitted from the wireless transceiver unit 140 , record and analyze the steel coil surface environment sensing signal and the atmospheric environment sensing signal. The above-mentioned cloud server 150 can be a private cloud database server built by itself, or a cloud data storage system already set up by an online database operation service provider.

In one embodiment, the cloud server 150 receives the temperature and humidity signals of the steel coil surface environment and the atmospheric environment, and calculates the atmospheric dew point temperature based on the data, and analyzes whether the steel coil surface environment has reached the dew point. However, the function of the cloud server is not limited thereto, and the calculation function of the cloud server can be set according to the types of the steel coil sensor and the environment sensor.

In another embodiment, the cloud server 150 also includes a first control unit 152, which is used to transmit the information when the unit space 110 where the steel coil is stored is approaching or reaches the dew point according to the sensor signal of the steel coil surface environment. To a warning device 156 . The warning device 156 is an electronic device, such as a computer or a mobile phone.

In yet another embodiment, the cloud server 150 also includes a second control unit 154, which is used to analyze the steel coil storage unit space 110 approaching or reaching the dew point according to the steel coil surface environmental sensing signal, and start the Ventilator 158 in 100. In one embodiment, the ventilation device 158 is an electric fan. The above-mentioned ventilation device 158 is arranged adjacent to the steel coil 112; in addition, according to the atmospheric environment, a fan is arranged in a downwind direction, which is more helpful to raise the surface temperature of the steel coil to the ambient temperature.

The present invention proposes a system that utilizes a steel coil sensor, an environmental sensor, a wireless transceiver unit, and a cloud server to monitor the steel coil storage environment. Please refer to FIG. 3 for the step-by-step flow of the system. As shown in Figure 3, it includes the steps of (a) planning at least one unit space for storing steel coils in the steel coil storage; (b) setting at least one steel coil in the unit space; (c) setting the steel coil sensor on the surface of the steel coil, It is used to sense and emit steel coil surface environment sensing signals, wherein each unit space of steel coil storage has one or more steel coil sensors; (d) set the environmental sensor in the atmospheric environment outside the steel coil storage to sense (e) set up a wireless transceiver unit to receive and transmit the steel coil surface environment sensing signal and the atmospheric environment sensing signal; (f) set up a cloud server to receive the signal sent from The wireless transceiver unit receives the steel coil surface environment sensing signal and the atmospheric environment sensing signal, and records and analyzes the steel coil surface environment sensing signal and the atmospheric environment sensing signal.

First, step (a) plans at least one unit space for storing steel coils in the steel coil storage. FIG. 4A shows a perspective view of a unit space 310 for storing steel coils according to an embodiment of the present invention. In this embodiment, each The steel coil 320 has a diameter a and a length b, and the length d of the first unit space 310a is planned to be about b meters, the width c is about 2a meters, and the height e is about a meter. As shown in Figure 4A, the space of the first unit 310a can be Two steel coils 320 are placed; the second unit space 310b is located above the first unit space 310a, and one steel coil 320 is stacked above the two steel coils 320 in the first unit space 310a. FIG. 4B shows a perspective view of a unit space 410 for storing steel coils according to another embodiment of the present invention. In this embodiment, each steel coil 420 has a diameter of a meter and a length of b meters. The first unit space 410a The planned length d is about b meters, the width c is about 3a meters, and the height e is about a meters. As shown in Figure 4B, three steel coils can be placed in the first unit space 410a; and the second unit space 410b is located in the first unit On the space 410a, the third unit space 410c is located on the second unit space 410b, and two steel coils 420 are set in the second unit space 410b, and one steel coil 420 is set in the third unit space 410c. However, the planning of the unit space for storing steel coils is not limited thereto, and can be flexibly planned according to actual needs. In this embodiment, the unit space for storing steel coils is planned according to the standard specifications and stacking methods of general steel coil products.

In one embodiment, the unit space for storing steel coils is planned to have an area of 16 square meters and a height of 2 meters, and a storage location code is assigned. According to the standard specifications of general steel coil products, about two steel coils are stored in each unit space.

After planning the unit space for storing steel coils, perform step (b) to install at least one steel coil in the unit space, then perform step (c) to install coil sensors, and step (d) to install environmental sensors. The steel coil sensor is set on the surface of the steel coil to sense and transmit the environmental sensing signal on the steel coil surface; the environmental sensor is set on the atmospheric environment outside the steel coil storage to sense and transmit the atmospheric environment sensing signal.

In one embodiment, each unit space for storing steel coils has at least one coil sensor. Please refer to FIG. 4A , in which two sets of coil sensors 330 are respectively disposed in the first unit space 310 a and the second unit space 320 b. Please refer to FIG. 4B , where two sets of coil sensors 430 are disposed in the first unit space 410a, and another two sets of coil sensors 430 are disposed in the second unit space 410b and the third unit space 410c. However, the arrangement of the above steel coil sensor is not limited thereto, and can be elastically arranged according to actual needs. For example, the steel coil sensor is set to detect the temperature and humidity of the steel coil surface, so the steel coil sensor should be installed on the lower layer of the steel coil surface, because the bottom layer is darker and prone to moisture, so it is the easiest Detection is approaching the dew point.

After the steel coil sensor and the environment sensor are set up, step (e) is performed, which is to receive the steel coil surface environment sensing signal and the atmospheric environment sensing signal from the steel coil sensor and the environment sensor with the pre-set wireless transceiver unit, and transmit received signal. In one embodiment, the wireless transceiver unit records the sensing time, the steel coil storage location, the steel coil surface temperature and humidity, and the ambient temperature and humidity. Then proceed to step (f), which uses a pre-set cloud server to receive the steel coil surface environment sensing signal and atmospheric environment sensing signal transmitted from the wireless transceiver unit, and record and analyze the steel coil surface environment sensing signal and the atmospheric environment. environmental sensing signal.

In one embodiment, the cloud server receives the temperature and humidity signals of the surface environment of the steel coil and the atmospheric environment, and calculates the relative humidity of the surface environment of the steel coil and the atmospheric environment based on this data, and then calculates the atmospheric dew point temperature, and analyzes the steel coil Whether the surface environment has reached the dew point temperature. In one embodiment, the cloud server records the code of the steel coil, the storage location, the data required for calculating the dew point and the occurrence time.

The dew point is defined as when the temperature of the surface of the object is lower than the atmospheric dew point temperature, and the condensation of fine water droplets on the surface of the object is called dew. The dew point temperature (dew point temperature) is defined as the temperature above 0°C and the air pressure and water vapor content are constant, the water vapor in the air reduces the temperature, makes the air saturated with water vapor, and begins to condense The temperature is called the dew point temperature (junction temperature) dew point). Therefore, when the relative humidity RH and atmospheric temperature T are measured, the dew point temperature T _d can be approximated by the following formula:

${\mathrm{<span\; class="notranslate">\; T</span>}}_{\mathrm{<span\; class="notranslate">\; d</span>}}<span\; class="notranslate">\; =</span>\frac{\mathrm{<span\; class="notranslate">\; b\&gamma;</span>}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; T</span>}<span\; class="notranslate">\; ,</span>\mathrm{<span\; class="notranslate">\; RH</span>}<span\; class="notranslate">\; )</span>}{\mathrm{<span\; class="notranslate">\; a</span>}<span\; class="notranslate">\; -</span>\mathrm{<span\; class="notranslate">\; \&gamma;</span>}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; T</span>}<span\; class="notranslate">\; ,</span>\mathrm{<span\; class="notranslate">\; RH</span>}<span\; class="notranslate">\; )</span>}$

where γ is:

$\mathrm{<span\; class="notranslate">\; \&gamma;</span>}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; T</span>}<span\; class="notranslate">\; ,</span>\mathrm{<span\; class="notranslate">\; RH</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\frac{\mathrm{<span\; class="notranslate">\; aT</span>}}{\mathrm{<span\; class="notranslate">\; b</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; T</span>}}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; ln</span>}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; RH</span>}<span\; class="notranslate">\; /</span>\mathrm{<span\; class="notranslate">\; 100</span>}<span\; class="notranslate">\; )</span>$

Atmospheric temperature T and dew point temperature T _d are in Celsius, relative humidity RH is a percentage, and ln represents natural logarithm. The constant a is 12.27 and b is 237.7°C. This formula is based on the Magnus-Tetens Approximation, which considers the saturated water pressure as a function of temperature. This method only works with the following scopes:

0℃<T<60℃

1%<RH<100%

0℃<T _d <50℃

After the cloud server calculates the atmospheric dew point temperature, it then analyzes whether the surface environment of the steel coil has reached the dew point. When the surface temperature of the steel coil is lower than the atmospheric dew point temperature, the surface of the steel coil begins to condense. However, to prevent the coil surface environment from reaching the dew point, precautionary measures must be taken when the coil surface environment approaches the dew point.

Therefore, in step (g), the cloud server analyzes the information that the unit space where the steel coil is stored is approaching the dew point, and then proceeds to step (i), the first control unit in the cloud server transmits the information to a warning device; and In step (j), the second control unit in the cloud server activates at least one ventilation device to reduce the ambient temperature of the steel coil surface. In one embodiment, the cloud server looks up the table to calculate the dew condensation check and set the dew condensation trigger point. Once the dew condensation trigger point is reached, when the cloud server analyzes the information that the unit space where the steel coil is stored is approaching the dew point, the cloud server will The warning signal is transmitted to an electronic device that can be used as a warning device, which is a condensation anti-control device for sending warning information to management personnel, such as notifying users by electronic mail or mobile phone information. The above-mentioned dew condensation trigger point is a temperature approaching the dew point, and its purpose is to remind the user that the surface environment of the steel coil is about to reach the dew point, so the user can implement measures to prevent the occurrence of the dew point according to the actual situation; in addition, the above-mentioned The temperature of the condensation trigger point can be set according to the needs of the user.

In addition, if the dew point is not controlled due to the above precautionary measures, step (k) can be carried out to provide a storage mechanism to automatically or manually move the steel coil to another dry unit space. The above-mentioned storage mechanical device may be, for example, a crane.

The purpose of the present invention is to install temperature and humidity sensors on the atmospheric environment outside the storage space, and on the surface of the steel coils in the storage, record the measured temperature and humidity data in the memory unit of the device, and wirelessly transmit them to the cloud server Perform online recording and calculation. The cloud server calculates according to the dew point calculation formula. When the surface temperature of the steel coil decreases with the atmospheric environment and is close to the dew point, the server sends a message to the inventory management and relevant decision-makers, and immediately performs on-site steel coil inspection and preventive measures. Cloud data uses the temperature and humidity conditions of the steel coil storage environment to add ventilation equipment or adjust the storage location of steel coils at specific locations. It can be seen that the present invention proposes a design for adjusting the optimal storage environment of steel coils with the lowest cost.

In addition, the cloud server records the historical records of the temperature and humidity of the steel coil surface environment, which can be used for subsequent steel coil quality control data, storage environment history building, and steel industry storage space ventilation planning and design; further, it can be used to plan seasonal steel coils. Optimal storage area.

To sum up, the present invention proposes an environmental monitoring system and method for steel coil storage, which is used to monitor the atmospheric temperature and the temperature and humidity of the storage steel coil surface, record the water vapor condensation state on the steel coil product surface, and calculate the theoretical condensation The point in time when the condensation is about to occur, and for the situation of condensation that is about to occur and issue relevant warnings and management personnel to take inspection and preventive measures to prevent the loss of steel coils due to condensation and corrosion in advance, and to control storage areas that are prone to moisture condensation in the storage environment. tube, effectively reducing the corrosion loss of steel coils and reducing the power and energy consumption of steel coils moving in the storage space.

Although the present invention has been disclosed above in terms of implementation, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection shall prevail as defined by the claims.

Claims (16)

1. An environmental monitoring system for steel coil storage, the steel coil storage includes at least one unit space for storing steel coils, characterized in that: the environmental monitoring system includes: The steel coil sensor is arranged in the unit space to sense and emit the steel coil surface environmental sensing signal stored in the steel coil in the unit space; The environmental sensor is arranged in the atmospheric environment outside the steel coil storage, to sense and emit the atmospheric environment sensing signal; a wireless transceiver unit configured to receive and transmit the steel coil surface environment sensing signal and the atmospheric environment sensing signal; and The cloud server is configured to receive the steel coil surface environment sensing signal and the atmospheric environment sensing signal transmitted from the wireless transceiver unit, and record and analyze the steel coil surface environment sensing signal and the atmospheric environment sensing signal. 2. The monitoring system according to claim 1, wherein the steel coil sensor is a thermometer, a hygrometer or a combination thereof. 3. The monitoring system according to claim 1, wherein the environmental sensor is a thermometer, a hygrometer or a combination thereof. 4. The monitoring system according to claim 1, characterized in that: the cloud server further comprises a first control unit, which is used to analyze the unit space where the steel coil is stored approaching or reaching a conclusion according to the sensor signal of the steel coil surface environment. When the dew point is detected, the analysis information is transmitted to the warning device. 5. The monitoring system according to claim 1, characterized in that: the cloud server also includes a second control unit, which is used to analyze the approach or reach of the unit space where the steel coil is stored according to the sensor signal of the steel coil surface environment. At the dew point, start the ventilation in the coil storage. 6. The monitoring system of claim 1, wherein the ventilation device is disposed adjacent to the steel coil. 7. The monitoring system according to claim 1, characterized in that: each unit space where the steel coil is stored has one or more steel coil sensors. 8. The monitoring system as claimed in claim 1, characterized in that: the steel coil has a diameter of a meter and a length of b meters, the length of the unit space is about b meters, the width is about 2a meters, and the height is about a rice. 9. The monitoring system according to claim 1, wherein the steel coil sensor is arranged on the inner surface of the steel coil. 10. The monitoring system according to claim 1, characterized in that: the steel coil sensor further comprises a first memory unit for recording the environmental sensing signal of the steel coil surface. 11. The monitoring system as claimed in claim 1, wherein the environment sensor further comprises a second memory unit for recording atmospheric environment sensing signals. 12. An environmental monitoring method for steel coil storage, used in the environmental monitoring system according to any one of claims 1 to 11, the steel coil storage includes at least one unit space for storing steel coils, characterized in that: the The method includes the following steps: A steel coil sensor is arranged on the steel coil surface of the unit space to sense and transmit the steel coil surface environment sensing signal; An environmental sensor is installed in the atmospheric environment outside the steel coil storage to sense and emit atmospheric environment sensing signals; A wireless transceiver unit is set up to receive and transmit the steel coil surface environment sensing signal and the atmospheric environment sensing signal; and A cloud server is set up to receive the steel coil surface environment sensing signal and the atmospheric environment sensing signal transmitted from the wireless transceiver unit, record and analyze the steel coil surface environment sensing signal and the atmospheric environment sensing signal. 13. The monitoring method according to claim 12, wherein the steel coil sensor is used to detect a first temperature and a first humidity on the surface of the steel coil. 14. The monitoring method according to claim 12, wherein the environmental sensor is used to detect a second temperature and a second humidity of the external environment of the steel coil. 15. The monitoring method according to claim 12, further comprising: A first control unit is installed on the cloud server, and when the unit space where the steel coil is stored approaches or reaches the dew point according to the steel coil surface environmental sensing signal analysis, the first control unit transmits the analysis information to the receiving device; as well as A second control unit is set on the cloud server, and when the cloud server analyzes that the unit space where the steel coils are stored approaches or reaches the dew point, the second control unit activates the ventilation device in the steel coil storage. 16. The monitoring method according to claim 15, further comprising: providing a storage mechanism to automatically or manually move the steel coil to another dry unit space.