Environment monitoring method, environment detection method, electronic equipment and storage medium

Abstract

The embodiment of the invention relates to the field of cold chain transportation, and discloses an environment monitoring method, an environment detection method, electronic equipment and a storage medium. In the embodiment of the invention, when the refrigeration function of the refrigeration equipment is started, the temperature and the relative humidity of the temperature and humidity sensor are monitored in real time; calculating and detecting a temperature change rate in real time based on the temperature; when the temperature change rate is larger than or equal to a preset first temperature change rate threshold value and the relative humidity is larger than or equal to a preset first humidity threshold value, first warning information is sent, and the temperature and humidity sensor is heated; wherein the first warning information is used for indicating that condensate water is generated. By monitoring the temperature change rate in the environment, the condensate water is treated in time, so that the detection precision of the temperature and humidity sensor is not influenced by the condensate water, and the efficiency of the whole cold chain system is ensured.

Description

Technical Field

[0001] Embodiments of the present invention relate to the field of cold chain transmission, and in particular to an environment monitoring method, an environment detection method, an electronic device, and a storage medium. Background Art

[0002] In the field of cold chain storage and transportation, it is crucial to keep products and equipment in ideal temperature and humidity conditions. As a key component for monitoring the environment around the equipment, temperature and humidity sensors can provide real-time temperature and relative humidity data to ensure the quality and safety of products during transportation.

[0003] However, these sensors will face the problem of condensation when the equipment is taken out of the cold storage or the cold storage stops refrigeration and the temperature rises to normal temperature. The formation of condensation will accumulate in the moisture-sensitive area of ​​the sensor, seriously affecting its measurement accuracy, and thus affecting the efficiency of the entire cold chain system. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide an environmental monitoring method, an environmental detection method, an electronic device and a storage medium, so that the detection accuracy of the temperature and humidity sensor is not affected by condensed water, thereby ensuring the efficiency of the entire cold chain system.

[0005] To solve the above technical problems, an embodiment of the present invention provides an environmental monitoring method, including: when the refrigeration function of the refrigeration equipment is turned on, real-time monitoring of the temperature and relative humidity of the temperature and humidity sensor; calculating and detecting the temperature change rate in real time based on the temperature; when the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, sending a first warning message and heating the temperature and humidity sensor; wherein the first warning message is used to indicate that condensation water has been generated.

[0006] An embodiment of the present invention also provides an environmental detection method, including: when the refrigeration function of the refrigeration equipment is turned on, monitoring the temperature and relative humidity of the temperature and humidity sensor in real time; calculating and detecting the temperature change rate in real time based on the temperature; when the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, sending a first warning message; wherein the first warning message is used to indicate that condensation water has been generated.

[0007] An embodiment of the present invention also provides an electronic device, comprising: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the environmental monitoring method or the environmental detection method as described above.

[0008] An embodiment of the present invention further provides a computer-readable storage medium storing a computer program, which implements the above-mentioned environment monitoring method or environment detection method when executed by a processor.

[0009] In an embodiment of the present invention, by monitoring the temperature and relative humidity in real time and calculating the temperature change rate when the refrigeration function of the refrigeration equipment is started, the rapid changes in environmental conditions can be accurately captured. When the temperature change rate exceeds the preset first threshold, the state of the equipment experiencing drastic temperature changes is quickly identified, and combined with the condition that the relative humidity exceeds the second threshold, there is no need to calculate the dew point temperature by obtaining the ambient temperature. Instead, the generation of condensed water is accurately judged by the temperature and humidity characteristics of rapid temperature changes in a high humidity environment. At the same time, the self-heating function is started in time to efficiently eliminate condensed water. Through this process, it can not only ensure that the measurement accuracy of the temperature and humidity sensor is not disturbed by condensed water, but also greatly improve the stability and operation efficiency of the cold chain system, providing reliable protection for environmental monitoring in cold chain transportation.

[0010] In addition, when the temperature change rate is lower than the first threshold, but the relative humidity is higher than the second humidity threshold, a second warning message is sent, and the heating function of the temperature and humidity sensor is started, so as to effectively identify and respond to the risk of water immersion. By accurately judging the situation where the temperature change slows down and the humidity increases significantly, the embodiments of the present invention can take countermeasures in the early stages of water immersion to avoid sensor performance degradation or equipment damage caused by water immersion. This design not only extends the service life of the temperature and humidity sensors, but also ensures the continuity and reliability of environmental monitoring of the cold chain system, laying the foundation for the long-term stable operation of cold chain equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0012] Figure 1 is a schematic diagram of an environmental monitoring method provided by an embodiment of the present application;

[0013] Figure 2 is a schematic diagram of the execution principle of the environment monitoring method provided by an embodiment of the present application;

[0014] Figure 3 It is a schematic diagram of the soaking treatment process in the environmental monitoring method provided in one embodiment of the present application;

[0015] Figure 4 is a schematic diagram of an environment detection method provided by another embodiment of the present application;

[0016] Figure 5 It is a schematic diagram of an electronic device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0017] In the field of cold chain storage and transportation, temperature and humidity control is directly related to maintaining the quality of goods and improving transportation efficiency. As a key component of environmental monitoring equipment, temperature and humidity sensors can measure the temperature and relative humidity of the surrounding environment in real time. However, these sensors are subject to many restrictions of environmental conditions in practical applications, especially when the equipment is transferred from a low-temperature cold storage to a normal temperature environment or the cold storage stops refrigeration, condensation water is easily formed due to the drastic change in ambient temperature.

[0018] The formation of condensed water is mainly due to the surface temperature of the device being lower than the ambient dew point temperature, which causes the water vapor in the air to condense into droplets on the surface of the device. These condensed water gathers in the moisture sensitive area of ​​the sensor, which will bring the following effects:

[0019] 1. Impaired measurement accuracy: Condensed water covers the humidity-sensitive element, causing the sensor to be unable to accurately reflect the actual relative humidity of the environment.

[0020] 2. Degradation of equipment performance: Prolonged exposure to condensed water environment may cause sensor performance degradation or even permanent damage.

[0021] 3. Reduced system reliability: Inaccurate monitoring data may mislead the environmental control of the cold chain system and affect the safety of goods during transportation.

[0022] In order to prevent the above-mentioned condensation from affecting the detection accuracy of the temperature and humidity sensors, it is necessary to design an efficient method that can timely and accurately identify and process condensation, thereby protecting the normal operation of the temperature and humidity sensors and ensuring the monitoring accuracy and overall operating efficiency of the cold chain system.

[0023] To solve the above technical problems, the embodiments of the present invention provide an environmental monitoring method, an environmental detection method, an electronic device and a storage medium, so that the detection accuracy of the temperature and humidity sensors is not affected by condensed water, thereby ensuring the efficiency of the entire cold chain system.

[0024] To make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, it will be appreciated by those skilled in the art that in the embodiments of the present invention, many technical details are proposed in order to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present application can be implemented. The division of the following embodiments is for the convenience of description, and should not constitute any limitation on the specific implementation of the present invention. The various embodiments can be combined and referenced with each other without contradiction.

[0025] An embodiment of the present invention relates to an environmental monitoring method, which can be applied to various terminal devices equipped with temperature and humidity sensors, such as environmental monitoring devices in cold chain transport vehicles, temperature control equipment in cold storage management systems, industrial refrigeration equipment, and household refrigeration equipment (such as refrigerators, air conditioners). This method can also be integrated into a microcontroller unit (MCU) connected to the temperature and humidity sensor through physical communication, or a monitoring server, mobile terminal, and cloud platform connected through wireless communication or network communication. In addition, the method is suitable for Internet of Things devices, and can realize real-time detection and processing of condensed water under edge computing devices or cloud computing architectures. Its typical application scenarios include smart home systems, industrial automation equipment, cold chain logistics sensor networks, and other fields that require high real-time environmental monitoring. When the refrigeration function of the refrigeration equipment is turned on, the method monitors the temperature and relative humidity of the temperature and humidity sensor in real time; calculates and detects the temperature change rate in real time based on the temperature; when the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, sends a first warning message and heats the temperature and humidity sensor; wherein the first warning message is used to indicate that condensed water has been generated. By monitoring the temperature and relative humidity in real time and calculating the temperature change rate when the refrigeration function of the refrigeration equipment is started, the rapid changes in environmental conditions can be accurately captured. When the temperature change rate exceeds the preset first threshold, the state of the equipment experiencing drastic temperature changes is quickly identified, and combined with the condition that the relative humidity exceeds the second threshold, the generation of condensed water is accurately judged. At the same time, the self-heating function is started in time to efficiently eliminate condensed water. Through this process, it can not only ensure that the measurement accuracy of the temperature and humidity sensor is not disturbed by condensed water, but also greatly improve the stability and operating efficiency of the cold chain system, providing reliable protection for environmental monitoring in cold chain transportation.

[0026] The following is a specific description of the implementation details of an environment monitoring method according to an embodiment of the present invention. The following content is only provided for the convenience of understanding the implementation details and is not necessary for implementing the present solution.

[0027] like Figure 1 As shown, in step 101, when the refrigeration function of the refrigeration equipment is turned on, the equipment monitors the temperature and relative humidity of the temperature and humidity sensor in real time. The location of the temperature and humidity sensor can be flexibly configured, and is suitable for areas such as the surface of the object to be detected, the door panel of the cold chain storage, and the vicinity of the refrigeration equipment to ensure the representativeness and applicability of the monitoring data.

[0028] In order to more accurately monitor the environmental conditions in different scenarios, in addition to starting monitoring when the refrigeration function of the refrigeration equipment is turned on, this method also starts monitoring when other preset events are triggered, such as when a cold chain vehicle or warehouse door is detected to be opened.

[0029] During the data collection process, in order to improve the monitoring sensitivity, the temperature and humidity sensor usually works continuously at a fixed sampling frequency (such as 1Hz or higher). However, according to different environmental requirements, the system can dynamically adjust the sampling frequency. For example, when a sudden increase in the temperature change rate is detected, the device will temporarily increase the sampling frequency to capture key data in the rapid temperature change scenario; in a stable scenario where the temperature change rate is continuously low, the system can reduce the sampling frequency, reduce power consumption and extend the sensor's service life.

[0030] The collected raw temperature and humidity data will be preprocessed to ensure the stability and accuracy of the data. The preprocessing includes three parts: first, a low-pass filter or sliding average algorithm is used to remove environmental interference signals to achieve noise filtering; second, a threshold detection algorithm is used to exclude physically impossible mutation data to ensure the rationality of the data; finally, smoothing is performed to optimize the continuity of the data curve and reduce the impact of abnormal fluctuations on subsequent analysis. Through the above processing, the system can ensure the reliability of real-time monitoring and provide basic data support for accurate judgment of condensate generation.

[0031] In step 102, the device calculates and detects the temperature change rate in real time based on the temperature. The calculation formula is:

[0032] ΔT=(T n -T n-1 ) / Δt

[0033] Among them, T n and T n-1 Represent the temperature values ​​at the current moment and the previous moment respectively, and Δt is the time interval. This formula can accurately reflect the rate of temperature change per unit time. To adapt to different scenarios, the system will adjust the length of the time interval Δt according to different scenarios. For example, in a rapid temperature change scenario where a sudden increase in the temperature change rate is identified, Δt can be shortened to the millisecond level to quickly reflect temperature fluctuations. In addition, the temperature change rate can also be calculated by the derivative of the temperature-time change curve, thereby improving the flexibility and applicability of the system calculation.

[0034] In step 103, when the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, the device sends a first warning message and heats the temperature and humidity sensor. The first warning message is used to indicate that condensation water has been generated.

[0035] Specifically, when the device detects that the temperature change rate is greater than or equal to a preset first temperature change rate threshold (such as 0.7°C / second to 0.8°C / second), and the relative humidity is greater than or equal to a preset first humidity threshold (such as 90%), Figure 2In 201, the device determines that it has moved from a relatively low temperature environment to a relatively high temperature and high humidity environment, and determines that condensation may have formed on the sensor surface of the temperature and humidity sensor. This judgment is based on the combined conditions of rapid temperature rise and high humidity, and usually reflects the rapid transition of the environment from low temperature to relatively high temperature, accompanied by the saturation or near-saturation of water vapor in the air. In this case, the system triggers the first warning message and starts the self-heating function of the temperature and humidity sensor to evaporate the condensation that has formed and prevent it from further accumulation.

[0036] The above-mentioned first temperature change rate threshold is used to quantify the severity of the ambient temperature change and is one of the core indicators for judging the generation of condensed water. When the temperature change rate exceeds this threshold, it indicates that the ambient temperature is rising rapidly, and this rapid temperature rise is usually closely related to the formation of condensed water. On the contrary, a temperature change rate below this threshold usually indicates that the ambient temperature changes relatively smoothly, which is not conducive to the generation of condensed water. In addition, in special circumstances, such as when the equipment is affected by water immersion, an abnormally low value of the temperature change rate may become an important auxiliary parameter for distinguishing condensed water from water immersion. According to actual application requirements, the first temperature change rate threshold can be set based on the thermal conductivity characteristics and specific heat capacity properties of the detection object. In cold chain transportation scenarios, the threshold is usually set in the range of 0.7°C / second to 0.8°C / second to adapt to the characteristics of high humidity and low temperature environments such as cold storage and transport boxes.

[0037] At the same time, the first humidity threshold is another important parameter, which is used to calibrate the humidity reference value for condensation water generation. When the relative humidity reaches or exceeds the first humidity threshold, the water vapor content in the air is close to saturation, and the possibility of condensation water generation increases significantly. By combining the first temperature change rate threshold and the first humidity threshold, the device can more accurately capture the critical state of condensation water generation. In cold chain transportation scenarios, the humidity threshold is usually set to 90%, which can not only reflect the characteristics of high humidity environments, but also avoid misjudging condensation water generation in low humidity environments.

[0038] Once the device determines that condensation has been generated, the system will record detailed data of the current environment, including time, temperature and humidity sensor number, real-time temperature value, humidity value, and calculated temperature change rate. These data will be integrated into the first warning message and sent through various communication methods, such as direct display on the monitoring interface, transmission to a remote server via wireless communication, or sending to the user's mobile terminal, to ensure that users can quickly understand the status of the equipment and take maintenance measures.

[0039] When performing the above-mentioned heating operation, different heating methods can be selected according to the structure of the temperature and humidity sensor. For temperature and humidity sensors with built-in heating elements, their integrated resistance heating function can quickly heat up and accurately control, and has the advantages of fast heating response speed and compact structure. It is suitable for application scenarios with limited space or high requirements for equipment integration, such as portable monitoring devices in cold chain transportation. For sensors that do not have self-heating functions, external heating elements can be connected, including thin film resistors, heating plates or micro-heating wires. The installation methods of these external components are flexible and diverse. For example, thin film resistors are attached to the surface of the sensor to achieve rapid heating, heating plates cover the bottom of the sensor to provide uniform heat, and micro-heating wires quickly evaporate condensed water through local heating.

[0040] In order to improve heating efficiency and stability, when starting the self-heating function of the temperature and humidity sensor, the device can choose a variety of heating strategies, such as segmented heating or incremental heating. Segmented heating is to control the heating module to increase the temperature in stages to better adapt to the dynamic process of condensed water evaporation; incremental heating is to gradually increase the heating power to ensure heating efficiency while avoiding sensor overheating or excessive ambient temperature that may adversely affect device operation. The application of these strategies can effectively prevent misjudgment and sensor damage, while improving the effectiveness and reliability of environmental monitoring.

[0041] In addition, when the temperature change rate is greater than or equal to the first temperature change rate threshold, but the relative humidity is lower than the first humidity threshold, as Figure 2 In 202, the device believes that the current state is gradually changing from a low temperature environment to a relatively high temperature but low humidity environment. Due to the low humidity, the conditions for generating condensed water are not met. In this high temperature and low humidity environment, the possibility of generating condensed water is small, so the device does not need to start the heating function. This logical judgment avoids unnecessary operation of the heating module, thereby reducing energy consumption and extending the service life of the device.

[0042] In general, by detecting the temperature change rate and relative humidity in the above step 103, it is possible to timely determine whether condensation water is generated and process the temperature and humidity sensors in a timely manner.

[0043] In step 104, when the temperature is greater than or equal to a preset first temperature threshold, the device stops heating the temperature and humidity sensor.

[0044] Specifically, when the device detects that the real-time temperature of the temperature and humidity sensor reaches or exceeds a preset first temperature threshold (such as 60°C), the system will determine that the heating module has completed the condensed water evaporation task and stop running.

[0045] The determination of the above-mentioned first temperature threshold is usually based on the thermal conductivity characteristics of the equipment, the specific heat capacity properties and the evaporation rate of the condensed water. Since different sensors and usage scenarios have different requirements for heating temperature, the specific value of the threshold can be set flexibly. For example, in cold chain transportation scenarios, temperature and humidity sensors are usually in a low temperature and high humidity environment, and their first temperature threshold can be set to 60 degrees Celsius. This setting ensures the complete evaporation of condensed water on the sensor surface, while avoiding overheating of the sensor and the surrounding environment.

[0046] In order to improve the accuracy of the judgment, the system can also perform dynamic analysis in combination with the real-time temperature curve of the sensor. For example, after reaching the first temperature threshold, the system will continue to monitor whether the sensor temperature remains stable to ensure that the condensed water has been completely evaporated. If the temperature fluctuates greatly over a period of time, it may indicate that the condensed water has not been completely processed. The system will restart and appropriately extend the heating time.

[0047] The logic of stopping heating is not limited to the single condition of the first temperature threshold, but can also be judged in conjunction with other parameters. For example, when the first temperature threshold is reached, if the humidity drops to a safe range, or the temperature change rate slows down to a stable state, the system will further confirm that the condensed water has evaporated and terminate the heating operation. This multi-parameter linkage judgment logic can effectively reduce misjudgments and further improve the operating efficiency of the heating function.

[0048] like Figure 3 As shown, the method of the embodiment of the present invention can not only detect condensed water, but also determine whether the sensor is likely to be soaked in water through the dynamic changes of temperature and humidity data. The specific steps are as follows:

[0049] Step 301, when the temperature change rate is less than the first temperature change rate threshold and the relative humidity is greater than or equal to a preset second humidity threshold, the device sends a second warning message and heats the temperature and humidity sensor; wherein the second warning message is used to indicate that there is a possibility that the temperature and humidity sensor is soaked in water, and the second humidity threshold is greater than the first humidity threshold.

[0050] Specifically, when the device detects that the temperature change rate is lower than the first temperature change rate threshold (such as 0.7°C / second) and the relative humidity is greater than or equal to the second humidity threshold (such as 95%), Figure 2In 203, the system sensor may be at risk of being splashed with water or soaked in water. This judgment is based on the characteristics of significantly increased humidity and small temperature fluctuations, which is significantly different from the state of increased humidity accompanied by rapid temperature changes in the condensation water generation scenario. At this time, the device will send a second warning message to indicate the possibility of water soaking, and record the currently monitored environmental data (such as time, sensor number, real-time temperature, humidity, and temperature change rate), and configure it in the warning message. The warning information can be delivered in a variety of ways, such as displaying on the device monitoring interface, transmitting to a remote server via wireless communication, or directly pushing it to the user's mobile terminal to ensure that the user can understand and deal with potential problems in a timely manner.

[0051] In addition, in order to further enhance the adaptability of the system, the above judgment conditions can be adjusted according to actual environmental requirements. For example, the judgment condition can also be set to that the temperature change rate is lower than the first temperature change rate threshold, and the relative humidity shows a continuous growth trend in a short period of time. For example, when the humidity value increases rapidly from a preset initial humidity threshold (such as 80%) to a higher level (such as above 85%) in a short period of time, the system can also trigger a water risk warning. This logic is based on dynamic trend analysis of humidity anomalies, which can identify potential water problems earlier and gain more response time for users.

[0052] At the same time, the system will start the heating function of the temperature and humidity sensor. By increasing the surface temperature of the sensor, on the one hand, it reduces the direct impact of water on the sensor's measurement accuracy, and on the other hand, it further verifies whether the source of the abnormal humidity is water through the humidity change trend after heating. In order to avoid misjudgment or sensor damage caused by too fast heating, the system can gradually increase the temperature by using segmented heating or incremental heating strategies. These strategies can not only protect the sensor hardware, but also adapt to the humidity anomaly processing requirements in different scenarios. The setting of the second humidity threshold is particularly important in this process. It is higher than the first humidity threshold and is used to calibrate the possibility of water immersion due to abnormally high humidity, ensuring the judgment accuracy of the system in high humidity environments.

[0053] Step 302: If the relative humidity changes by a value less than a preset third humidity threshold after a preset time period, the device sends a third warning message and stops heating the temperature and humidity sensor; wherein the third warning message is used to indicate that the temperature and humidity sensor has been soaked in water.

[0054] Specifically, the system will continuously monitor the humidity change trend after the sensor is heated. If the change in relative humidity is less than the third humidity threshold (such as a decrease in humidity of less than 5%) within a preset time period, the system will determine that the sensor has been soaked in water. This is because humidity anomalies caused by soaking in water are usually difficult to eliminate quickly by heating, while condensed water will evaporate quickly after heating and significantly reduce humidity. To ensure the accuracy of the judgment, the system will also combine the temperature change data of the sensor during the humidity monitoring process to analyze whether there are other influencing factors.

[0055] When it is confirmed that the sensor is soaked in water, the system will send a third warning message and stop the heating module to save energy. The third warning message also contains the operating environment data of the sensor (such as time, sensor number, real-time temperature and humidity, etc.), and notifies the user to perform subsequent maintenance through the monitoring interface, wireless communication or terminal push. The third humidity threshold is a key reference indicator for humidity changes after heating. It is usually set to a smaller change range (such as a humidity reduction of less than 5%) to accurately identify the water-soaked state where heating cannot significantly reduce the humidity. Through this judgment logic, the system can complete the diagnosis of water-soaked problems without disassembling the equipment, significantly reducing interference with equipment operation and improving processing efficiency.

[0056] In general, the method of the embodiment of the present invention is applicable to, but not limited to, various scenarios such as cold chain transportation, industrial refrigeration, and household refrigeration equipment. In cold chain transportation, it can quickly handle condensed water caused by temperature difference changes, ensure that the sensor in the sensor is not affected by condensed water, and can stably detect the ambient temperature; in industrial refrigeration, it provides reliable protection for environmental monitoring of equipment; in household refrigeration equipment, it improves the intelligent capabilities of terminal equipment such as refrigerators and air conditioners.

[0057] In an embodiment of the present invention, by monitoring the temperature and relative humidity in real time and calculating the temperature change rate when the refrigeration function of the refrigeration equipment is started, the rapid changes in environmental conditions can be accurately captured. When the temperature change rate exceeds the preset first threshold, the state of the equipment undergoing drastic temperature changes is quickly identified, and combined with the condition that the relative humidity exceeds the second threshold, there is no need to calculate the dew point temperature by obtaining the ambient temperature. Instead, the temperature and humidity characteristics of rapid temperature changes in a high humidity environment are used to accurately determine the generation of condensed water. At the same time, the self-heating function is started in time to efficiently eliminate condensed water. Through this process, it can not only ensure that the measurement accuracy of the temperature and humidity sensor is not disturbed by condensed water, but also greatly improve the stability and operating efficiency of the cold chain system, providing reliable protection for environmental monitoring in cold chain transportation.

[0058] In another embodiment of the present application, an environment detection method is also provided, such as Figure 4 As shown, including:

[0059] Step 401, when the cooling function of the refrigeration device is turned on, the device monitors the temperature and relative humidity of the temperature and humidity sensor in real time;

[0060] Step 402, the device calculates and detects the temperature change rate in real time based on the temperature;

[0061] Step 403, when the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, the device sends a first warning message; wherein, the first warning message is used to indicate that condensation water has been generated.

[0062] Compared with the traditional method, the above embodiment of the present invention has significant advantages in the following technical effects:

[0063] 1. Adaptability to scenarios with low initial temperatures: When the equipment is transferred from a cold storage to a normal temperature environment, its surface temperature is much lower than the ambient temperature. Traditional methods are difficult to accurately calculate the dew point in this situation, but the embodiments of the present invention can quickly capture the dynamic changes in the surface temperature of the equipment by monitoring the temperature change rate, and achieve accurate judgment of the generation of condensed water.

[0064] 2. Applicable to environments with rapid temperature changes of a single device: In scenarios with drastic temperature changes of a single device (such as the unpacking stage of cold chain transportation), the ambient dew point temperature may not be able to quickly reflect the actual condensation conditions. The embodiments of the present invention significantly improve the efficiency and accuracy of condensation water judgment in single-device scenarios by monitoring the real-time change trend of temperature and humidity, especially the parameter of temperature change rate.

[0065] 3. No need for long-term steady-state monitoring, adaptable to multiple scenarios: Traditional dew point monitoring methods usually require stable environmental conditions as support, while this method does not need to wait for the temperature and humidity to reach a equilibrium state. It can determine the generation of condensed water in real time through the rapid response mechanism of temperature change rate and humidity threshold, and is adaptable to a variety of dynamic scenarios including cold chain transportation, industrial refrigeration and household refrigeration equipment.

[0066] The steps of the above method are divided only for the purpose of clear description. When implemented, they can be combined into one step or some steps can be split and decomposed into multiple steps. As long as they include the same logical relationship, they are all within the scope of protection of this patent; adding insignificant modifications to the algorithm or process or introducing insignificant designs without changing the core design of the algorithm and process are all within the scope of protection of this patent.

[0067] In addition, the examples mentioned in the above embodiments can be freely combined, and any combination can be understood as an embodiment. The "embodiment" or "example" appearing in various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It can be understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0068] Another embodiment of the present invention relates to an electronic device, such as Figure 5 As shown, it includes at least one processor 501; and a memory 502 that is communicatively connected to the at least one processor; wherein the memory stores instructions that can be executed by at least one processor, and the instructions are executed by at least one processor so that the at least one processor can execute the environmental monitoring method or environmental detection method as described above.

[0069] Among them, the memory and the processor are connected in a bus manner, and the bus may include any number of interconnected buses and bridges, and the bus connects various circuits of one or more processors and memories together. The bus can also connect various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. The bus interface provides an interface between the bus and the transceiver. The transceiver can be one element or multiple elements, such as multiple receivers and transmitters, providing a unit for communicating with various other devices on a transmission medium. The data processed by the processor is transmitted on a wireless medium via an antenna, and further, the antenna also receives data and transmits the data to the processor.

[0070] The processor is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interfaces, voltage regulation, power management, and other control functions. Memory can be used to store data used by the processor when performing operations.

[0071] Another embodiment of the present invention relates to a computer-readable storage medium storing a computer program, which implements the above method embodiment when executed by a processor.

[0072] That is, those skilled in the art can understand that all or part of the steps in the above-mentioned embodiment method can be completed by instructing the relevant hardware through a program, and the program is stored in a storage medium, including several instructions to enable a device (which can be a single-chip microcomputer, chip, etc.) or a processor to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0073] Those skilled in the art will appreciate that the above embodiments are specific embodiments for implementing the present invention, and that in actual applications, various changes may be made in form and detail without departing from the spirit and scope of the present invention.

Claims

1. An environmental monitoring method, characterized in that: include: When the cooling function of the refrigeration equipment is turned on, the temperature and relative humidity of the temperature and humidity sensor are monitored in real time; Calculate and detect the temperature change rate in real time based on the temperature; When the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, sending a first warning message and heating the temperature and humidity sensor; The first warning information is used to indicate that condensed water has been generated.

2. The environmental monitoring method according to claim 1, characterized in that: After sending the first warning information and heating the temperature and humidity sensor, the method further includes: When the temperature is greater than or equal to a preset first temperature threshold, heating of the temperature and humidity sensor is stopped.

3. The environmental monitoring method according to claim 1, characterized in that: The method further comprises: When the temperature change rate is less than the first temperature change rate threshold and the relative humidity is greater than or equal to a preset second humidity threshold, sending a second warning message and heating the temperature and humidity sensor; The second warning information is used to indicate that there is a possibility that the temperature and humidity sensor is soaked in water, and the second humidity threshold is greater than the first humidity threshold.

4. The environmental monitoring method according to claim 3, characterized in that: After sending the second warning information and heating the temperature and humidity sensor, the method further includes: If the relative humidity changes by a value less than a preset third humidity threshold after a preset time period, a third warning message is sent and heating of the temperature and humidity sensor is stopped; The third warning information is used to indicate that the temperature and humidity sensor has been soaked in water.

5. The environmental monitoring method according to claim 1, characterized in that: The first temperature change rate threshold is in the range of 0.7 degrees Celsius per second to 0.8 degrees Celsius per second, and the first humidity threshold is greater than 85%.

6. The environmental monitoring method according to claim 1, characterized in that: The step of heating the temperature and humidity sensor comprises: Heating the temperature and humidity sensor by means of a heating element built into the temperature and humidity sensor; Alternatively, the temperature and humidity sensor is heated by an external heating element; wherein the external heating element includes: a thin film resistor, a heating plate or a micro heating wire.

7. The environmental monitoring method according to any one of claims 1 to 6, characterized in that: The environmental monitoring method is applied to cold chain storage and transportation scenarios.

8. An environmental detection method, characterized in that: include: When the cooling function of the refrigeration equipment is turned on, the temperature and relative humidity of the temperature and humidity sensor are monitored in real time; Calculate and detect the temperature change rate in real time based on the temperature; When the temperature change rate is greater than or equal to a preset first temperature change rate threshold and the relative humidity is greater than or equal to a preset first humidity threshold, sending a first warning message; The first warning information is used to indicate that condensed water has been generated.

9. An electronic device, characterized in that: include: at least one processor; as well as, a memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the environmental monitoring method as described in any one of claims 1 to 7, or execute the environmental detection method as described in claim 8.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, it implements the environment monitoring method described in any one of claims 1 to 7, or implements the environment detection method described in claim 8.

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