CN202677237U - Warehouse temperature and humidity real-time monitoring system - Google Patents

Warehouse temperature and humidity real-time monitoring system Download PDF

Info

Publication number
CN202677237U
CN202677237U CN 201220278694 CN201220278694U CN202677237U CN 202677237 U CN202677237 U CN 202677237U CN 201220278694 CN201220278694 CN 201220278694 CN 201220278694 U CN201220278694 U CN 201220278694U CN 202677237 U CN202677237 U CN 202677237U
Authority
CN
China
Prior art keywords
warehouse
temperature
humidity
humiture
real
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220278694
Other languages
Chinese (zh)
Inventor
陈奎
檀革苗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Chengxin Jianye Energy-Saving Technology Co ltd
Original Assignee
Shanghai Chengxin Jianye Energy-Saving Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Chengxin Jianye Energy-Saving Technology Co ltd filed Critical Shanghai Chengxin Jianye Energy-Saving Technology Co ltd
Priority to CN 201220278694 priority Critical patent/CN202677237U/en
Application granted granted Critical
Publication of CN202677237U publication Critical patent/CN202677237U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Selective Calling Equipment (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The utility model discloses a warehouse temperature and humidity real-time monitoring system, wherein the warehouse temperature and humidity real-time monitoring system acquires temperature and humidity data of a warehouse environment and temperature and humidity data of air inlet/outlet of temperature control equipment through temperature and humidity sensors, then a data collector and a serial server transmit the data to a central automatic monitoring unit through a local area network, the central automatic monitoring unit analyzes and processes the acquired data and then transmits the processed data to a PLC (Programmable Logic Controller) control unit through the local area network, the PLC control unit respectively controls warehouse temperature control equipment and warehouse humidity control equipment to operate, so as to control and adjust temperature and humidity of the warehouse. The warehouse temperature and humidity real-time monitoring system of the utility model realizes real-time monitoring for temperature and humidity of the warehouse, and timely controls the warehouse temperature and humidity control equipments according to environmental parameters of the monitored warehouse, so as to adjust and stabilize temperature and humidity of a storage environment in real time, thereby avoiding material loss and quality deterioration caused by lack of environment temperature and humidity control, and ensuring quality of the stored material.

Description

A kind of warehouse humiture real-time monitoring system
Technical field
The utility model relates to a kind of warehouse humiture real-time monitoring system.
Background technology
The humiture environment in warehouse is the key factor that affects the goods and materials storage, under different temperature and humidity conditions, variation in various degree will occur in the character of storage goods and materials itself, as become excellent or become bad, storage goods and materials such as tobacco leaf or all kinds of dried food and nuts etc., its humiture to storage environment all has higher requirements.Present warehouse majority by install an air-conditioner, the equipment such as ventilation unit, dehumidifier and humidifier, and are furnished with various measurement instruments, after carrying out the manual observation data by the storekeeper, again by the humiture in the various device control warehouse, to guarantee the storage environment of goods and materials.Not only Temperature and Humidity Control speed is slow for this mode, and because the factors such as personal error of artificial reading cause the DATA REASONING precision low, detects the not science of sampling, and can not in time control the humiture of environment in the warehouse according to actual conditions.In addition, lack timely and effectively control system, to the Temperature and Humidity Control poor effect in warehouse although occur at present by the humiture in the intelligent means monitoring warehouse.
For the environmental parameter of guaranteeing the warehouse meets goods and materials storages humiture demand, need to be to the temperature in the warehouse, humidity Real-Time Monitoring, and running status that can rapid adjustment warehouse Temperature and Humidity Control equipment.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of warehouse humiture real-time monitoring system, native system has been realized the Real-Time Monitoring of warehouse humiture, and in time control warehouse Temperature and Humidity Control equipment according to the environmental parameter in monitored warehouse, the humiture of real-time adjustment, stable storage environment, avoid worsening because of goods and materials loss and quality that ambient temperature and humidity control disappearance causes, guaranteed the storage quality.
For solving the problems of the technologies described above, the utility model warehouse humiture real-time monitoring system comprises warehouse Temperature-controlled appliance and warehouse moisture control unit, also comprises central automatic monitoring unit, data acquisition unit and PLC control module;
Wherein, described data acquisition unit comprises serial server, data acquisition unit and some the first Temperature Humidity Sensor and some the second Temperature Humidity Sensors that is divided into described Temperature-controlled appliance inlet and outlet that is divided into each collection point, warehouse, described the first Temperature Humidity Sensor be connected the signal output part of Temperature Humidity Sensor and connect the signal input part of described data acquisition unit, the signal output part of described data acquisition unit connects described serial server signal input part, and described serial server connects described central automatic monitoring unit by LAN (Local Area Network);
Described PLC control module comprises PLC control module, RS485 communication module and I/O module, and described PLC control module connects described central automatic monitoring unit also respectively by described RS485 communication module and I/O module controls described warehouse Temperature-controlled appliance and the operation of warehouse moisture control unit by LAN (Local Area Network).
Further, above-mentioned central automatic monitoring unit comprises Industrial Control Computer, database server, humiture alarm module and printer, described Industrial Control Computer connects respectively described data acquisition unit and PLC control module by LAN (Local Area Network), described Industrial Control Computer is connected with the database server both-way communication, and described humiture alarm module and printer connect respectively described database server.
Further, this supervisory system also comprises remote client's addressed location, and described remote client's addressed location is connected with central automatic monitoring unit both-way communication, described remote client's addressed location connecting wan.
Further, above-mentioned warehouse Temperature-controlled appliance is the air-conditioning unit.
Further, above-mentioned warehouse moisture control unit is dehumidifier and blower fan.
Because a kind of warehouse of the utility model humiture real-time monitoring system has adopted technique scheme, be that this supervisory system gathers warehouse environment humiture and Temperature-controlled appliance inlet and outlet humiture data by Temperature Humidity Sensor, and transfer to central automatic monitoring unit by data acquisition unit and serial server by LAN (Local Area Network), central authorities' automatic monitoring unit transfers to the PLC control module by LAN (Local Area Network) after the data analysis that gathers is processed, the PLC control module is controlled respectively warehouse Temperature-controlled appliance and the operation of warehouse moisture control unit, with the humiture in control and adjustment warehouse.Native system is applicable to the Real-Time Monitoring of warehouse humiture, and in time control warehouse Temperature and Humidity Control equipment according to the environmental parameter in monitored warehouse, the humiture of real-time adjustment, stable storage environment, avoid worsening because of goods and materials loss and quality that ambient temperature and humidity control disappearance causes, guaranteed the storage quality.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is a kind of warehouse of the utility model humiture real-time monitoring system theory diagram.
Embodiment
As shown in Figure 1, a kind of warehouse of the utility model humiture real-time monitoring system comprises warehouse Temperature-controlled appliance 5 and warehouse moisture control unit 6, also comprises central automatic monitoring unit 1, data acquisition unit 2 and PLC control module 3;
Wherein, described data acquisition unit 2 comprises serial server 22, data acquisition unit 21 and some the first Temperature Humidity Sensor 23 and some the second Temperature Humidity Sensors 24 that is divided into described Temperature-controlled appliance inlet and outlet that is divided into each collection point, warehouse, described the first Temperature Humidity Sensor 23 be connected the signal output part of Temperature Humidity Sensor 24 and connect the signal input part of described data acquisition unit 21, the signal output part of described data acquisition unit 21 connects described serial server 22 signal input parts, and described serial server 22 connects described central automatic monitoring unit 1 by LAN (Local Area Network) 7;
Described PLC control module 3 comprises PLC control module 31, RS485 communication module 32 and I/O module 33, and described PLC control module 31 connects described central automatic monitoring unit 1 and controls described warehouse Temperature-controlled appliances 5 and 6 operations of warehouse moisture control unit by described RS485 communication module 32 and I/O module 33 respectively by LAN (Local Area Network) 7.
Further, above-mentioned central automatic monitoring unit 1 comprises Industrial Control Computer 11, database server 12, humiture alarm module 13 and printer 14, described Industrial Control Computer 11 connects respectively described data acquisition unit 2 and PLC control module 3 by LAN (Local Area Network) 7, described Industrial Control Computer 11 is connected with database server 12 both-way communications, and described humiture alarm module 13 is connected with printer and is connected respectively described database server 12.
Further, this supervisory system also comprises remote client's addressed location 4, and described remote client's addressed location 4 is connected with central automatic monitoring unit 1 both-way communication, described remote client's addressed location 4 connecting wans 8.This remote client's addressed location is the Web server that contains fire wall, be used for connecting the database server of central automatic monitoring unit and being connected to wide area network by LAN (Local Area Network), the user can utilize the Web page on the IE browser access Web server, directly the running status of the humiture data on the accessing database server and warehouse Temperature-controlled appliance, warehouse moisture control unit.
Further, above-mentioned warehouse Temperature-controlled appliance 5 can adopt the air-conditioning unit.
Further, above-mentioned warehouse moisture control unit 6 can adopt dehumidifier and blower fan.
This supervisory system adopts some the first Temperature Humidity Sensor and some the second Temperature Humidity Sensors that are divided into the Temperature-controlled appliance inlet and outlet that are divided into each collection point, warehouse to gather the humiture data in warehouse and the humiture data of Temperature-controlled appliance inlet and outlet,
At diverse location several warehouse environment Temperature Humidity Sensors are installed according to warehouse environment humiture sampling density needs, the Temperature-controlled appliance inlet and outlet is installed some Temperature Humidity Sensors in the warehouse of correspondence, each sensor output 4-20 milliampere analog signals is sent to data acquisition unit with the humiture value of each monitoring point in the warehouse and equipment inlet and outlet, data acquisition unit connects serial server by the RS232 interface, and serial server is connected to central automatic monitoring unit by LAN (Local Area Network).Industrial Control Computer in central authorities' automatic monitoring unit is equipped with HMI monitoring and control configuration software, each monitoring point real time data of warehouse from serial server of receiving is carried out analyzing and processing and demonstration, and relevant data communication device is crossed LAN (Local Area Network) send to the PLC control module, monitor respectively the running status of warehouse Temperature-controlled appliance and warehouse moisture control unit by the PLC control module.The database server of central authorities' automatic monitoring unit is equipped with automonitor, in the real-time sense network from the temperature-humidity signal of different monitoring points in the warehouse, the humiture data are stored in the database server, and the humiture value that gathers compared with the humiture high-low limits of setting, as overflow then to humiture alarm module trigger alarm signal.Database server can connect printer, prints the humiture historical trend curve of monitoring point, warehouse.The PLC control module of PLC control module is by humiture parameter and the humiture high-low limits alerting signal of LAN (Local Area Network) analyzing and processing from central automatic monitoring unit, Temperature and Humidity Control value and equipment start-stop logic in conjunction with the setting of PLC control module internal program, utilize the operational factor of RS485 communication module monitoring warehouse Temperature-controlled appliance, utilize the start and stop of I/O module monitors warehouse moisture control unit.
The HMI monitoring and control configuration software that Industrial Control Computer is installed can adopt Siemens Wincc software, and increased Web Navigato assembly, the client that allows by IE browser remote access Wincc picture and related data information is provided, the database of database server adopts Microsoft SQL Server 2005, the other Siemens PLC C control module of configuration of each storehouse opposite depot Temperature-controlled appliance and warehouse Temperature-controlled appliance (S7-300) is used for field control, and be equipped with RS485 communication module and I/O module, can carry out data communication and controlling run state with the warehouse Temperature-controlled appliance, and press the start and stop of start and stop logic control warehouse moisture control unit.
For the tobacco leaf warehouse of being located at the word bank room, dry store etc., its humiture to tobacco leaf or dried food and nuts etc. all has higher requirements, utilize native system can be in each word bank room equal different storehouse ambient temperature and humidity sensors of magnitude setting according to demand, and in each word bank room corresponding warehouse Temperature-controlled appliance inlet and outlet respectively arranges a Temperature Humidity Sensor, sensor is selected the VAISALA high-accuracy temperature-humidity integrated transducer of internationally renowned brand.Each word bank room arranges a data collector, receive the humiture data that this word bank room inner sensor gathers, the 4-20 milliampere analog signals of sensor output, and simulating signal is converted into corresponding humiture numerical value sends to serial server by the RS232 interface, be connected to the central automatic monitoring unit at CSRC center, warehouse by LAN (Local Area Network) by serial server.
This supervisory system can Real-time Collection, the humiture of each monitoring point and warehouse Temperature-controlled appliance inlet and outlet changes in analysis, demonstration tobacco leaf warehouse or the dry store, automatically report to the police according to the humiture high-low limits of each monitoring point in the warehouse, and can pass through Web server remote access data storehouse server, the running status of environmental parameter and Temperature and Humidity Control equipment in the monitoring warehouse.Simultaneously, the effective combination of running status with warehouse environment temperature-humidity monitoring and warehouse Temperature and Humidity Control equipment, utilize PLC control module and host computer HMI monitoring and control configuration software, automatically regulate efficiently, quickly and accurately the running status of warehouse Temperature and Humidity Control equipment, thereby the ambient temperature and humidity long-term stability in the assurance warehouse is at required optimum range; Be controlled at 15~30 ℃, humidity for its temperature of tobacco leaf warehouse and be controlled at 55~65%, this humiture is the optimum range of tobacco mellowing, and then the quality of raising tobacco natural alcoholization and the interior quality of cigarette finished product, so that the scientific management of warehouse humiture is intelligent, networked, avoided the defective of warehouse humiture conventional management mode.

Claims (5)

1. a warehouse humiture real-time monitoring system comprises warehouse Temperature-controlled appliance and warehouse moisture control unit, it is characterized in that: also comprise central automatic monitoring unit, data acquisition unit and PLC control module;
Wherein, described data acquisition unit comprises serial server, data acquisition unit and some the first Temperature Humidity Sensor and some the second Temperature Humidity Sensors that is divided into described Temperature-controlled appliance inlet and outlet that is divided into each collection point, warehouse, described the first Temperature Humidity Sensor be connected the signal output part of Temperature Humidity Sensor and connect the signal input part of described data acquisition unit, the signal output part of described data acquisition unit connects described serial server signal input part, and described serial server connects described central automatic monitoring unit by LAN (Local Area Network);
Described PLC control module comprises PLC control module, RS485 communication module and I/O module, and described PLC control module connects described central automatic monitoring unit also respectively by described RS485 communication module and I/O module controls described warehouse Temperature-controlled appliance and the operation of warehouse moisture control unit by LAN (Local Area Network).
2. warehouse according to claim 1 humiture real-time monitoring system, it is characterized in that: described central automatic monitoring unit comprises Industrial Control Computer, database server, humiture alarm module and printer, described Industrial Control Computer connects respectively described data acquisition unit and PLC control module by LAN (Local Area Network), described Industrial Control Computer is connected with the database server both-way communication, and described humiture alarm module and printer connect respectively described database server.
3. warehouse according to claim 1 and 2 humiture real-time monitoring system, it is characterized in that: this supervisory system also comprises remote client's addressed location, described remote client's addressed location is connected with central automatic monitoring unit both-way communication, described remote client's addressed location connecting wan.
4. warehouse according to claim 1 and 2 humiture real-time monitoring system, it is characterized in that: described warehouse Temperature-controlled appliance is the air-conditioning unit.
5. warehouse according to claim 1 and 2 humiture real-time monitoring system, it is characterized in that: described warehouse moisture control unit is dehumidifier and blower fan.
CN 201220278694 2012-06-14 2012-06-14 Warehouse temperature and humidity real-time monitoring system Expired - Fee Related CN202677237U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220278694 CN202677237U (en) 2012-06-14 2012-06-14 Warehouse temperature and humidity real-time monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220278694 CN202677237U (en) 2012-06-14 2012-06-14 Warehouse temperature and humidity real-time monitoring system

Publications (1)

Publication Number Publication Date
CN202677237U true CN202677237U (en) 2013-01-16

Family

ID=47498129

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220278694 Expired - Fee Related CN202677237U (en) 2012-06-14 2012-06-14 Warehouse temperature and humidity real-time monitoring system

Country Status (1)

Country Link
CN (1) CN202677237U (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345287A (en) * 2013-07-16 2013-10-09 将军烟草集团有限公司 Remote monitoring and managing system of temperature, humidity and harmful gas of tobacco bag core
CN103674089A (en) * 2013-11-28 2014-03-26 陕西理工学院 Method, device and system for automatic measurement and control
CN103759389A (en) * 2013-12-31 2014-04-30 安徽鑫龙电器股份有限公司 Environment monitoring control system of electronic databank
CN104216443A (en) * 2014-08-14 2014-12-17 河南开启电力实业有限公司 Real-time granary temperature monitoring device
CN104615179A (en) * 2014-12-19 2015-05-13 周慧敏 Intelligent warehousing system and control method thereof
CN104709654A (en) * 2015-02-28 2015-06-17 江苏高科物流科技股份有限公司 Automatic dehumidification system of warehouse
CN104714577A (en) * 2015-03-17 2015-06-17 北京航宇军科机电设备有限公司 Temperature and humidity measuring and control device, system and method
CN104932586A (en) * 2015-04-10 2015-09-23 福建美营自动化科技有限公司 Public traffic safety early warning control system
CN105005333A (en) * 2015-08-05 2015-10-28 成都点石创想科技有限公司 Humidity monitoring and adjusting system applied to intelligent warehouse management
CN105022378A (en) * 2015-08-05 2015-11-04 成都点石创想科技有限公司 Method for monitoring and managing storeroom environment in multi-parameter monitoring mode
CN105549657A (en) * 2015-12-22 2016-05-04 刘莹瑜 Information system for granary management
CN105955362A (en) * 2016-06-03 2016-09-21 合肥原印农业科技有限公司 Internet-of-things-based automatic irrigation control system for greenhouse
CN106774548A (en) * 2016-12-21 2017-05-31 国网上海市电力公司 A kind of temperature and humidity in storeroom environmental monitoring system
CN106774014A (en) * 2017-02-10 2017-05-31 太仓鼎诚电子科技有限公司 A kind of humiture long distance control system
CN107316169A (en) * 2017-06-30 2017-11-03 合肥贺财工程项目管理有限公司 A kind of workshop storage compartmentalization transfer purging system
CN108562108A (en) * 2018-04-23 2018-09-21 杭州能工科技有限公司 A kind of temperature and humidity control device and control method for medical warehouse
CN109238356A (en) * 2018-09-05 2019-01-18 江苏省特种设备安全监督检验研究院 Wlding library temperature and humidity monitor bright light records and alarms system
CN110825147A (en) * 2019-12-24 2020-02-21 南通理工学院 Intelligent temperature and humidity monitoring system and method
CN111854833A (en) * 2020-07-08 2020-10-30 河南中烟工业有限责任公司 Temperature and humidity alarm statistical method for tobacco process air conditioner
CN112379710A (en) * 2020-11-12 2021-02-19 河北白沙烟草有限责任公司保定卷烟厂 Air conditioning unit management control system
US11609287B2 (en) * 2020-05-13 2023-03-21 Siemens Healthcare Gmbh Safety structure of a magnetic resonance apparatus

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345287A (en) * 2013-07-16 2013-10-09 将军烟草集团有限公司 Remote monitoring and managing system of temperature, humidity and harmful gas of tobacco bag core
CN103674089A (en) * 2013-11-28 2014-03-26 陕西理工学院 Method, device and system for automatic measurement and control
CN103759389A (en) * 2013-12-31 2014-04-30 安徽鑫龙电器股份有限公司 Environment monitoring control system of electronic databank
CN104216443A (en) * 2014-08-14 2014-12-17 河南开启电力实业有限公司 Real-time granary temperature monitoring device
CN104615179A (en) * 2014-12-19 2015-05-13 周慧敏 Intelligent warehousing system and control method thereof
CN104709654A (en) * 2015-02-28 2015-06-17 江苏高科物流科技股份有限公司 Automatic dehumidification system of warehouse
CN104714577A (en) * 2015-03-17 2015-06-17 北京航宇军科机电设备有限公司 Temperature and humidity measuring and control device, system and method
CN104932586A (en) * 2015-04-10 2015-09-23 福建美营自动化科技有限公司 Public traffic safety early warning control system
CN105005333A (en) * 2015-08-05 2015-10-28 成都点石创想科技有限公司 Humidity monitoring and adjusting system applied to intelligent warehouse management
CN105022378A (en) * 2015-08-05 2015-11-04 成都点石创想科技有限公司 Method for monitoring and managing storeroom environment in multi-parameter monitoring mode
CN105549657A (en) * 2015-12-22 2016-05-04 刘莹瑜 Information system for granary management
CN105955362A (en) * 2016-06-03 2016-09-21 合肥原印农业科技有限公司 Internet-of-things-based automatic irrigation control system for greenhouse
CN106774548A (en) * 2016-12-21 2017-05-31 国网上海市电力公司 A kind of temperature and humidity in storeroom environmental monitoring system
CN106774014A (en) * 2017-02-10 2017-05-31 太仓鼎诚电子科技有限公司 A kind of humiture long distance control system
CN107316169A (en) * 2017-06-30 2017-11-03 合肥贺财工程项目管理有限公司 A kind of workshop storage compartmentalization transfer purging system
CN108562108A (en) * 2018-04-23 2018-09-21 杭州能工科技有限公司 A kind of temperature and humidity control device and control method for medical warehouse
CN109238356A (en) * 2018-09-05 2019-01-18 江苏省特种设备安全监督检验研究院 Wlding library temperature and humidity monitor bright light records and alarms system
CN110825147A (en) * 2019-12-24 2020-02-21 南通理工学院 Intelligent temperature and humidity monitoring system and method
US11609287B2 (en) * 2020-05-13 2023-03-21 Siemens Healthcare Gmbh Safety structure of a magnetic resonance apparatus
CN111854833A (en) * 2020-07-08 2020-10-30 河南中烟工业有限责任公司 Temperature and humidity alarm statistical method for tobacco process air conditioner
CN112379710A (en) * 2020-11-12 2021-02-19 河北白沙烟草有限责任公司保定卷烟厂 Air conditioning unit management control system

Similar Documents

Publication Publication Date Title
CN202677237U (en) Warehouse temperature and humidity real-time monitoring system
US20090210094A1 (en) Apparatus and method for controlling an air supply for drying painted vehicles and other objects
CN111338311A (en) System and method for monitoring working state of spunlace nonwoven production equipment
CN106774548A (en) A kind of temperature and humidity in storeroom environmental monitoring system
CN109724223B (en) Air quality monitoring system and method
CN103941769B (en) A kind of strain fermentation temperature-controlled process
CN101804284A (en) Pipeline drying equipment with process self-adaption energy-saving control function
CN203745859U (en) Remote monitoring system for air-conditioner room
CN112698601A (en) Wisdom monitored control system that raises pigs
CN203825500U (en) Temperature-control system for strain fermentation
CN210179857U (en) Air quality monitoring system
CN107864227A (en) A kind of switchyard facility environment management system
CN207678812U (en) Fruit dries control device and fruit dryer
CN202150044U (en) Electric power safety tool management system
CN201765087U (en) Online calibrating device of pressure transmitter
CN218585246U (en) Independent monitoring system for temperature and humidity of hospital medicine warehouse
CN114909778A (en) Enthalpy value controlled energy-saving central air conditioning method
CN209265299U (en) Storage area ambient intelligence controller
CN205210647U (en) Long -range intelligent accuse system of agricultural environment
CN203588097U (en) Multifunctional temperature-humidity monitoring and recording controller
CN105674473B (en) A kind of environment conditioning system
CN107450636A (en) Fruit dries control device and fruit dryer
CN211015078U (en) Environmental control system
CN116520920A (en) Temperature and humidity monitoring control system of drying equipment
CN110701029B (en) Air compressor set allocation system and method based on pressure track prediction and pipe network pressure loss

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20190614