Dehumidifier temperature and humidity control feedback adjustment system
By using a high-precision MEMS temperature and humidity sensor and a PID controller in an industrial dehumidifier, combined with a collaborative working module, the problems of inaccurate monitoring and lack of collaborative working in existing technologies have been solved, achieving precise temperature and humidity regulation and a stable production environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI GUOXUAN HIGH TECH POWER ENERGY
- Filing Date
- 2025-08-26
- Publication Date
- 2026-06-05
AI Technical Summary
Existing industrial dehumidifier temperature and humidity control systems are inaccurate in monitoring, unable to reflect real-time temperature and humidity changes in complex environments, and lack collaborative working mechanisms, resulting in poor control effects.
It employs a high-precision MEMS temperature and humidity sensor for electromagnetic protection and dust and water resistance, combined with a PID controller and collaborative working module to achieve real-time, accurate temperature and humidity monitoring and unified control.
It improves the accuracy of temperature and humidity monitoring and the stability of the system, ensuring the continuity and efficient control of the production environment, and can respond to dehumidifier failures in a timely manner to guarantee the stability of the production environment.
Smart Images
Figure CN224328366U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of temperature and humidity control technology, and in particular to a dehumidifier temperature and humidity control feedback regulation system. Background Technology
[0002] In the production of some industrial products, temperature and humidity are crucial to product quality, equipment operation, and the stability of the production environment. For example, in the lithium battery manufacturing industry, each process stage has strict requirements for temperature and humidity. If the temperature and humidity do not meet the standards, the defect rate of battery cells will increase, affecting the performance and reliability of the lithium batteries themselves. In the food processing industry, unsuitable temperature and humidity conditions can easily cause food to mold and spoil, shortening the shelf life of food.
[0003] Currently, industrial dehumidifiers are widely used for regulating environmental temperature and humidity. However, existing industrial dehumidifier temperature and humidity control systems have several shortcomings. Firstly, the monitoring accuracy of these systems is insufficient, failing to reflect subtle changes in temperature and humidity within the controlled area in real time. This is because traditional temperature and humidity sensors have limited precision and are susceptible to interference in complex industrial environments, such as electromagnetic interference and dust pollution, leading to significant measurement errors. Secondly, most existing systems operate independently, lacking an effective collaborative mechanism between dehumidifiers. This prevents unified and efficient control based on the overall temperature and humidity distribution of the controlled area, resulting in poor overall control performance. Summary of the Invention
[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a dehumidifier temperature and humidity control feedback regulation system, which solves the technical problems of inaccurate monitoring and lack of collaborative working mechanism in the existing dehumidifier temperature and humidity control system.
[0005] To achieve the above objectives, this utility model employs the following technical solution:
[0006] This utility model provides a dehumidifier temperature and humidity control feedback adjustment system, including:
[0007] Temperature and humidity sensors are distributed in various target control areas to obtain the measured temperature and humidity in each target control area; the temperature and humidity sensors are provided with an electromagnetic shielding layer and a dustproof, waterproof and breathable membrane on the outside;
[0008] The feedback adjustment module is electrically connected to each temperature and humidity sensor and each dehumidifier to obtain the measured temperature and humidity in each controlled area and to adjust the operating parameters of the dehumidifier in each controlled area.
[0009] The collaborative working module is electrically connected to the feedback adjustment module and each dehumidifier, and is used to uniformly manage all dehumidifiers.
[0010] The adjustment system provided by this utility model provides electromagnetic protection and dust and water resistance for the temperature and humidity sensors, which can avoid environmental interference and effectively improve the accuracy of temperature and humidity monitoring. The feedback adjustment module accurately adjusts the dehumidifier based on the highly accurate measured temperature and humidity and the target temperature and humidity. Finally, the collaborative working module provides unified management and control of all dehumidifiers, improving the overall control effect.
[0011] Optionally, the electromagnetic shielding layer is disposed on the inner side of the dustproof, waterproof and breathable membrane, and a mechanical protective shell is disposed on the outer side of the dustproof, waterproof and breathable membrane.
[0012] The electromagnetic shielding layer is made of a high-permeability material, effectively shielding against external electromagnetic interference. The dustproof, waterproof, and breathable membrane prevents dust, water vapor, and other contaminants from entering the temperature and humidity sensor while ensuring good gas exchange between the sensor and the external environment, without affecting the detection results. The mechanical protective housing is made of robust metal material, capable of withstanding mechanical impacts and vibrations in industrial environments, ensuring the safety of the temperature and humidity sensor.
[0013] Optionally, the temperature and humidity sensor is a MEMS temperature and humidity sensor.
[0014] MEMS temperature and humidity sensors are miniaturized and integrated sensors based on microelectromechanical systems (MEMS) technology, capable of simultaneously measuring ambient temperature and humidity. Their core features include high precision, low power consumption, and small size, and they are widely used in the Internet of Things (IoT), smart homes, industrial control, and healthcare. The MEMS temperature and humidity sensor used in this invention achieves a temperature measurement accuracy of ±0.1℃ and a humidity measurement accuracy of ±1%RH, with a response time of less than 1 second.
[0015] Optionally, the feedback adjustment module employs a PID controller.
[0016] A PID controller is a common feedback loop component in industrial control applications. This controller compares collected data with a reference value and uses the difference to calculate a new input value. The purpose of this new input value is to ensure that the system data reaches or remains at the reference value. Unlike other simple control operations, a PID controller can adjust the input value based on historical data and the frequency of differences, making the system more accurate and stable. It can be mathematically proven that a PID feedback loop can maintain system stability even when other control methods lead to stability errors or process repetitions. In this invention, measured temperature and humidity, as well as target temperature and humidity, are used as inputs to the PID controller for PID control of the dehumidifier.
[0017] Optionally, the collaborative working module includes a central controller, which is used to display the measured temperature and humidity in each control area to the staff through a human-machine interface, obtain the target temperature and humidity set by the staff in each control area, and send it to the feedback adjustment module.
[0018] The human-computer interface can intuitively display the measured temperature and humidity of all controlled areas to the staff. After viewing the measured temperature and humidity of all controlled areas, the staff can set target temperature and humidity for each controlled area as needed to improve the overall control effect.
[0019] Optionally, the central controller is also used to monitor the dehumidifiers in each control area for faults and control their start and stop.
[0020] By monitoring all dehumidifiers for faults, faulty dehumidifiers can be detected in real time and repaired promptly. This prevents situations where, after a dehumidifier is damaged, the feedback adjustment module is unable to adjust the actual temperature and humidity in the controlled area to the target temperature and humidity, no matter how it is adjusted.
[0021] Optionally, the collaborative working module further includes a wireless communication module, which establishes wireless communication with the feedback adjustment module and each of the dehumidifiers to achieve data interaction.
[0022] Wireless communication modules, such as Wi-Fi and ZigBee, form an ad hoc network to enable wireless communication between devices, avoiding the construction difficulties and increased costs caused by wiring compared to wired communication.
[0023] Optionally, the dehumidifier is a temperature-controlled dehumidifier.
[0024] A temperature-controlled dehumidifier is essentially a regular dehumidifier with an added temperature control module (heating and cooling function module) to simultaneously control the humidity load and cooling / heating of the air. Based on the condensation method, they are divided into air-cooled and water-cooled temperature-controlled dehumidifiers. They are widely used in pharmaceutical or film workshops, specialty glass manufacturing, grain and wood processing for dehumidification and drying, and in high-humidity spaces requiring dehumidification and temperature control.
[0025] Compared with the prior art, the beneficial effects achieved by this utility model are as follows:
[0026] This utility model provides a dehumidifier temperature and humidity control feedback regulation system. By setting up a high-precision temperature and humidity sensor and simultaneously implementing electromagnetic protection and dust and water resistance for the sensor, environmental interference can be avoided, achieving high-precision temperature and humidity detection. This system can promptly and accurately reflect changes in the temperature and humidity of the industrial environment, providing reliable data support for subsequent regulation and control. Based on the feedback regulation module, the operating parameters of the dehumidifier can be automatically and quickly adjusted according to real-time changes in temperature and humidity, achieving precise control of temperature and humidity and effectively avoiding the problem of lag in temperature and humidity regulation, thus improving the stability of the industrial production environment. Through the collaborative working module, each dehumidifier can be controlled collaboratively, performing unified regulation based on the temperature and humidity distribution of the entire controlled area, enhancing the system's reliability and fault tolerance. When a dehumidifier malfunctions, the system can still operate normally, ensuring the continuity of industrial production. Attached Figure Description
[0027] Figure 1 This is a system structure diagram of the dehumidifier temperature and humidity control feedback adjustment system provided in this embodiment of the utility model. Detailed Implementation
[0028] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.
[0029] Example 1:
[0030] like Figure 1 As shown, this utility model embodiment provides a dehumidifier temperature and humidity control feedback regulation system, including a temperature and humidity sensor, a feedback regulation module, and a collaborative working module. The dehumidifier is a temperature-controlled dehumidifier, which is essentially a regular dehumidifier with an added temperature control module (heating and cooling function module) to simultaneously control the humidity load and cooling / heating of the air. Based on the condensation method, it is divided into air-cooled and water-cooled temperature-controlled dehumidifiers. It is widely used in pharmaceutical or film workshops, special glass manufacturing, grain and wood processing for dehumidification and drying, and in high-humidity spaces requiring dehumidification and temperature control.
[0031] Temperature and humidity sensors are distributed across various controlled areas to acquire measured temperature and humidity data within each area. The sensors are equipped with an electromagnetic shielding layer and a dustproof, waterproof, and breathable membrane. The electromagnetic shielding layer, made of a high-permeability material, is the first layer on the outside of the sensor and effectively shields against external electromagnetic interference. The dustproof, waterproof, and breathable membrane is the second layer, preventing dust, moisture, and other contaminants from entering the sensor while ensuring good gas exchange between the sensor and the external environment, thus maintaining accurate readings. A robust metal protective shell, the third layer, withstands mechanical impacts and vibrations in industrial environments, ensuring the safety of the temperature and humidity sensors.
[0032] An electromagnetic shielding layer, a dustproof, waterproof, and breathable membrane, and a mechanical protective shell provide multi-layered protection for the temperature and humidity sensor, ensuring both its accuracy and safety, as well as its lifespan. The temperature sensor itself employs a MEMS temperature and humidity sensor. MEMS temperature and humidity sensors are miniaturized and integrated sensors based on microelectromechanical systems (MEMS) technology, capable of simultaneously measuring ambient temperature and humidity. Their core features include high precision, low power consumption, and small size, and they are widely used in the Internet of Things (IoT), smart homes, industrial control, and healthcare. The MEMS temperature and humidity sensor used in this embodiment achieves a temperature measurement accuracy of ±0.1℃, a humidity measurement accuracy of ±1%RH, and a response time of less than 1 second.
[0033] The feedback adjustment module is electrically connected to each temperature and humidity sensor and each dehumidifier to acquire the measured temperature and humidity within each controlled area and to adjust the operating parameters of the dehumidifiers within that area. Specifically, in this embodiment, the feedback adjustment module uses a PID controller. A PID controller is a common feedback loop component in industrial control applications. This controller compares the collected data with a reference value and uses the difference to calculate a new input value. The purpose of this new input value is to allow the system data to reach or remain at the reference value. Unlike other simple control operations, the PID controller can adjust the input value based on historical data and the frequency of differences, making the system more accurate and stable. It can be mathematically proven that a PID feedback loop can maintain system stability even when other control methods cause stability errors or process repetitions. In this invention, the measured temperature and humidity and the target temperature and humidity are used as inputs to the PID controller for PID control of the dehumidifier.
[0034] The collaborative working module is electrically connected to the feedback adjustment module and each dehumidifier, respectively, for unified management and control of all dehumidifiers. Specifically, in this embodiment, the collaborative working module includes a central controller and a wireless communication module. The central controller displays the measured temperature and humidity of each controlled area to the staff through a human-machine interface, acquires the target temperature and humidity settings for each controlled area set by the staff, and sends them to the feedback adjustment module. The human-machine interface intuitively displays the measured temperature and humidity of all controlled areas to the staff. After viewing the measured temperature and humidity of all controlled areas, the staff can set target temperature and humidity for each controlled area as needed, improving the overall control effect.
[0035] The central controller is also used for fault monitoring and start / stop control of dehumidifiers in each controlled area. By monitoring all dehumidifiers for faults, faulty dehumidifiers can be detected in real time, and timely maintenance can be carried out. This avoids situations where, after a dehumidifier is damaged, the feedback adjustment module is unable to adjust the actual temperature and humidity in the controlled area to the target temperature and humidity no matter what adjustments are made.
[0036] Wireless communication is established between the wireless communication module, the feedback adjustment module, and each dehumidifier to achieve data exchange. Wireless communication modules, such as Wi-Fi and ZigBee, form a self-organizing network, enabling wireless communication between devices. Compared to wired communication, this avoids the increased construction difficulty and cost caused by wiring.
[0037] In summary, the adjustment system provided by this utility model embodiment provides electromagnetic protection and dust and water resistance for the temperature and humidity sensors, which can avoid environmental interference and effectively improve the accuracy of temperature and humidity monitoring; the feedback adjustment module precisely adjusts the dehumidifier based on the highly accurate measured temperature and humidity and the target temperature and humidity; finally, the collaborative working module provides unified management and control of all dehumidifiers, improving the overall control effect.
[0038] Taking the application of the adjustment system provided in the embodiment of this utility model in a cell manufacturing workshop of a lithium battery as an example.
[0039] Four temperature-regulating and dehumidifying machines of this invention were installed in a 4000㎡ lithium battery cell manufacturing workshop. Four high-precision temperature and humidity monitoring points were set up in different locations within the workshop to comprehensively monitor the temperature and humidity conditions.
[0040] The target temperature for the workshop was set at 25℃, and the target humidity at 20% RH. During production, when the temperature and humidity sensors detected that the humidity in a certain area of the workshop had risen to 30% RH and the temperature to 28℃, the feedback adjustment module immediately activated. This increased the compressor frequency of the two temperature-regulating dehumidifiers in that area by 20%, reduced the fan speed by 15%, and activated the heating function, setting the electric heating power to 32kW. After 15 minutes of adjustment, the humidity in that area dropped to 20% RH, and the temperature stabilized at 25℃.
[0041] Meanwhile, the collaborative working module monitors the working status of each dehumidifier and the temperature and humidity distribution in the workshop in real time. When a dehumidifier in the controlled workshop is found to be malfunctioning, the central controller immediately assigns its task to the two adjacent temperature-controlled dehumidifiers. By adjusting the operating parameters of these two temperature-controlled dehumidifiers, the temperature and humidity control of the entire workshop is ensured to remain unaffected.
[0042] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A dehumidifier temperature and humidity control feedback adjustment system, characterized in that, include: Temperature and humidity sensors are distributed in various target control areas to obtain the measured temperature and humidity in each target control area; the temperature and humidity sensors are provided with an electromagnetic shielding layer and a dustproof, waterproof and breathable membrane on the outside; The feedback adjustment module is electrically connected to each temperature and humidity sensor and each dehumidifier to obtain the measured temperature and humidity in each controlled area and to adjust the operating parameters of the dehumidifier in each controlled area. The collaborative working module is electrically connected to the feedback adjustment module and each dehumidifier, and is used to uniformly manage all dehumidifiers.
2. The dehumidifier temperature and humidity control feedback adjustment system according to claim 1, characterized in that, The electromagnetic shielding layer is disposed on the inner side of the dustproof, waterproof and breathable membrane, and a mechanical protective shell is disposed on the outer side of the dustproof, waterproof and breathable membrane.
3. The dehumidifier temperature and humidity control feedback adjustment system according to claim 1, characterized in that, The temperature and humidity sensor is a MEMS temperature and humidity sensor.
4. The dehumidifier temperature and humidity control feedback adjustment system according to claim 1, characterized in that, The feedback adjustment module uses a PID controller.
5. The dehumidifier temperature and humidity control feedback adjustment system according to claim 1, characterized in that, The collaborative working module includes a central controller, which is used to display the measured temperature and humidity in each control area to the staff through a human-computer interaction interface, obtain the target temperature and humidity set by the staff in each control area, and send it to the feedback adjustment module.
6. The dehumidifier temperature and humidity control feedback adjustment system according to claim 5, characterized in that, The central controller is also used to monitor the dehumidifiers in each control area for faults and to control their start and stop.
7. The dehumidifier temperature and humidity control feedback adjustment system according to claim 1, characterized in that, The collaborative working module also includes a wireless communication module, which establishes wireless communication with the feedback adjustment module and each of the dehumidifiers to achieve data interaction.
8. The dehumidifier temperature and humidity control feedback adjustment system according to claim 1, characterized in that, The dehumidifier is a temperature-controlled dehumidifier.