CN115263735A - Data centralized management and control platform based on operation of air compression station - Google Patents

Data centralized management and control platform based on operation of air compression station Download PDF

Info

Publication number
CN115263735A
CN115263735A CN202210940653.2A CN202210940653A CN115263735A CN 115263735 A CN115263735 A CN 115263735A CN 202210940653 A CN202210940653 A CN 202210940653A CN 115263735 A CN115263735 A CN 115263735A
Authority
CN
China
Prior art keywords
module
air compression
control
compression station
alarm
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.)
Pending
Application number
CN202210940653.2A
Other languages
Chinese (zh)
Inventor
胡培生
孙小琴
胡明辛
魏运贵
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.)
Guangdong Xinzuan Energy Saving Technology Co ltd
Original Assignee
Guangdong Xinzuan 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 Guangdong Xinzuan Energy Saving Technology Co ltd filed Critical Guangdong Xinzuan Energy Saving Technology Co ltd
Priority to CN202210940653.2A priority Critical patent/CN115263735A/en
Publication of CN115263735A publication Critical patent/CN115263735A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00Testing machines, pumps, or pumping installations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The invention discloses a data centralized control platform based on operation of an air compression station, which comprises an acquisition module, a management module and a management module, wherein the acquisition module is used for acquiring data information of terminal equipment and environment of the air compression station and uploading the data information; the processing module is used for receiving the data information acquired by the acquisition module, storing, analyzing and processing the data information, and sending a processed output command to the communication module; the communication module sends the output command of the processing module to each terminal device; the cloud platform is used for receiving the data information uploaded by the processing module and the real-time data of the terminal equipment of the air compression station; the manual control module is connected with the processing module and the cloud platform and used for issuing a control instruction and modifying control parameters of the control platform to realize control over the terminal equipment of the air compression station and the environment; the control platform provided by the invention realizes the automation of starting and stopping the air compressor, and the air compressor is started and stopped while the safe operation is ensured by analyzing the sensor data, so that the whole process basically does not need manual participation.

Description

Data centralized management and control platform based on operation of air compression station
Technical Field
The invention relates to the technical field of air compressor start-stop control, in particular to a data centralized control platform based on air compressor station operation.
Background
The air compressor is used for compressing the volume of gas, so that the gas pressure is increased, the mechanical energy of the motor is converted into gas pressure energy, and gas energy power is provided for other devices. Today, where modern industry is so developed, the shadow of air compressors is seen everywhere, the air compressor has extremely wide application in the industries of automatic control, electronics, mining, agriculture, vehicles, food, aviation and the like.
As the amount of air compressor usage increases, the safety and stability of the air compressor control system becomes more and more important. At present, most of the internal air compressor control systems only use a touch screen as a human-computer interaction unit, workers need to monitor the air compressor on site, the air compressor control systems cause great physical and mental harm to the workers in the face of noisy and dangerous site environments, and the labor cost of enterprises is increased.
Disclosure of Invention
The invention aims to provide a data centralized control platform based on the operation of an air compressor station, so that the automation of starting and stopping of the air compressor is realized, the air compressor is started and stopped while the safe operation is ensured by analyzing the data of a sensor, the whole process basically does not need manual participation, the labor cost of an enterprise is reduced, and a user can conveniently and quickly realize the monitoring and operation of a system.
The purpose of the invention can be realized by the following technical scheme:
the data centralized control platform based on the operation of the air compression station comprises an acquisition module, a management module and a management module, wherein the acquisition module is used for acquiring data information of terminal equipment and environment of the air compression station and uploading the data information;
the processing module is used for receiving the data information acquired by the acquisition module, storing, analyzing and processing the data information, and sending a processed output command to the communication module;
the communication module is used for connecting the air compression station operation equipment and the processing module and sending an output command of the processing module to each terminal device;
the cloud platform is used for receiving the data information uploaded by the processing module and the real-time data of the terminal equipment of the air compression station;
and the manual control module is connected with the processing module and the cloud platform and used for issuing a control instruction and modifying control parameters of the control platform to realize control over the terminal equipment of the air compression station and the environment.
As a further scheme of the invention: the acquisition module acquires information of terminal equipment of the air compression station and working environment through the sensor.
As a further scheme of the invention: the environment information comprises the working environment temperature and the working environment humidity of the terminal equipment of the air compression station.
As a further scheme of the invention: the cloud platform is connected with a user intelligent terminal, and the Internet of things cloud platform is connected with the user intelligent terminal through an Ethernet, a Wi-Fi and a GSM/GPRS communication module.
As a further scheme of the invention: the control module is internally provided with an alarm module and an emergency module, the alarm module needs to send out an alarm to an operator in time when the air compressor fails, and the emergency module is in emergency shutdown when the air compressor fails seriously.
As a further scheme of the invention: the alarm module is provided with an alarm recording unit, the alarm recording unit stores alarm information so that a user can find out the fault, and the alarm information comprises date, time, object name, alarm type, trigger alarm data and alarm reason.
As a further scheme of the invention: the manual control module is provided with a safety module, the safety module comprises a user account password login and parameter change independent password control.
As a further scheme of the invention: the processing module realizes a start/stop mode, a loading/unloading mode and an automatic control mode combining the two modes for the terminal equipment through the communication module
The invention has the beneficial effects that:
(1) The control platform provided by the invention realizes the automation of starting and stopping the air compressor, and through analyzing the sensor data, the air compressor is started and stopped while the safe operation is ensured, the whole process basically does not need manual participation, the labor cost of an enterprise is reduced, and a user can conveniently and quickly realize the monitoring and operation of the system.
(2) The air compressor machine management and control platform breaks down at the air compressor machine and in time sends out the police dispatch newspaper to operating personnel to emergency shutdown when serious failure appears, and most of inside components of air compressor machine all have very low fault-tolerance, and air compressor machine control system monitors the state of key part, if the problem appears, the management and control platform can take the measure immediately and prevent the harm, avoids enlarging the loss.
(3) Through the control to the terminal equipment environment of air compression station, each terminal equipment of air compression station is ensured to be in suitable operational environment, reduces the influence of external environment to terminal equipment operation to improve the operating efficiency of the whole equipment of air compression station, reduce energy loss.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the invention relates to a data centralized management and control platform based on operation of an air compression station, which comprises an acquisition module, a management module and a management module, wherein the acquisition module is used for acquiring data information of terminal equipment and environment of the air compression station and uploading the data information; the processing module is used for receiving the data information acquired by the acquisition module, storing, analyzing and processing the data information, and sending a processed output command to the communication module; the communication module is used for connecting the air compression station operation equipment and the processing module and sending an output command of the processing module to each terminal equipment; the cloud platform is used for receiving the data information uploaded by the processing module and the real-time data of the terminal equipment of the air compression station; and the manual control module is connected with the processing module and the cloud platform and used for issuing a control instruction and modifying control parameters of the control platform to realize control over the terminal equipment of the air compression station and the environment.
The control platform is controlled by combining a starting/stopping control mode with an adding/unloading control mode, and mainly comprises an acquisition module, a communication module and a processing module, wherein the acquisition module is responsible for acquiring data of each module of the air compressor, such as motor temperature, exhaust pressure, motor current and the like; the communication module is an execution unit for controlling the action of the air compressor, the control platform uses a manual control module and a cloud platform as two data management display modules, the data management display modules are used for realizing man-machine interaction, displaying data of each part of the air compressor collected by the control platform in real time, realizing the functions of storing historical data, drawing a historical curve, setting control parameters and the like, and a user can view and control the air compressor on site through the manual control module or log in the cloud platform of the Internet of things through a computer and a mobile phone for remote operation.
The management and control platform provides three air compressor control modes for a user to select, namely a start/stop mode, a loading/unloading mode and an automatic control mode combining the two modes, wherein the three different modes have different control processes.
In start/stop mode: when a user presses a start button, the control platform controls the motor to start through the soft start circuit, when the pressure reaches a set value of the shutdown pressure, the control platform unloads and shuts down, and when the pressure reaches the set value of the startup pressure, the control platform starts the air compressor again, and the process is repeated.
In load/unload mode: when a user presses a loading button, the control platform controls the motor to start loading through the soft start circuit, when pressure reaches an unloading pressure set value, the control platform unloads and enters an unloaded state, and when the pressure reaches a loading pressure set value, the control platform enters a loading state, and the process is repeated.
In the automatic control mode: the control platform is firstly controlled by a soft start circuit to start, when pressure reaches unloading pressure, the control platform is unloaded to enter an idle load state, the idle load is delayed to start, if the control platform finds that a pressure value reaches a loading pressure preset value, the control platform restarts loading and resets idle load delay time, when the idle load delay time reaches, the control platform is stopped until the control platform detects that the pressure value reaches the loading pressure preset value, the control platform restarts the air compressor to load, and the process is repeated.
The cloud platform is connected with a user intelligent terminal, and the Internet of things cloud platform is connected with the user intelligent terminal through an Ethernet, a Wi-Fi and a GSM/GPRS communication module.
The cloud platform is used for displaying the operation conditions of the whole air compressor system, including pressure, motor state and alarm state. The air compressor finishes remote control, including starting and stopping, and setting value setting operation; real-time list of all monitoring points of the air compressor, including alarm and trip values and current state; displaying real-time data of all sensors, storing historical data, and displaying the historical data in a graphical manner, so that a user can conveniently observe data trends; history data of all alarms and emergency stops occurred is recorded.
The control module is internally provided with an alarm module and an emergency module, the alarm module needs to send out an alarm to an operator in time when the air compressor fails, and the emergency module is in emergency shutdown when the air compressor fails seriously.
The alarm module is provided with an alarm recording unit, the alarm recording unit stores alarm information so that a user can find out the fault, and the alarm information comprises date, time, object name, alarm type, trigger alarm data and alarm reason.
The following are each terminal equipment terminal of air compression station and corresponding warning suggestion, specifically do:
the motor early warning temperature is obtained, and when the motor temperature exceeds the motor early warning temperature, the control platform sends out a motor temperature early warning prompt;
when the motor temperature exceeds the motor alarm temperature, the control platform sends out a motor temperature alarm prompt and stops the machine;
the exhaust early warning temperature is detected, and when the exhaust temperature exceeds the early warning temperature, the control platform sends out an exhaust temperature early warning prompt;
when the exhaust temperature exceeds the alarm temperature, the control platform sends out an exhaust temperature alarm prompt and stops;
the fan is started when the exhaust temperature is higher than the starting temperature;
the fan stops working when the exhaust temperature is lower than the stop temperature;
when the exhaust temperature is lower than the alarm temperature, the control platform sends out a low-temperature alarm;
loading pressure, below which loading is initiated;
unloading the pressure, above which unloading is initiated;
when the exhaust pressure is higher than the shutdown pressure value, the control platform gives an alarm and shuts down;
starting time delay, after fault shutdown or emergency stop, the starting time delay can be delayed for starting again;
the machine is stopped after the time delay, namely the machine is stopped after the emergency stop key is pressed;
the motor protection current, the motor rated current and the motor overcurrent are protected according to the parameters;
the fan protection current, the fan rated current and the fan overcurrent are protected according to the parameters;
the overvoltage protection voltage is subjected to overvoltage protection according to the parameter, is defaulted to 450V and can be changed;
and the undervoltage protection voltage is subjected to undervoltage protection according to the parameter, is default to 300V and can be changed.
The manual control module is provided with a safety module, the safety module comprises a user account password login, in order to ensure the safety of the air compressor and prevent the misoperation of non-working personnel, the manual control module firstly jumps to a user login interface after being started, and the next operation authority can be carried out after the password is input; parameter change independent password control, management and control platform protect function need protect according to setting up the parameter, and the staff can be at the self-defined protection parameter of parameter setting interface, for preventing the maloperation, the staff need input the password after clicking the parameter setting, otherwise can't get into.
The acquisition module acquires information of terminal equipment of the air compression station and working environment through the sensor. The environmental information comprises the working environmental temperature and the working environmental humidity of the terminal equipment of the air compression station.
Use ambient temperature as an example, terminal equipment gives off a large amount of heat energy when using in the air compression station, can lead to terminal equipment operational environment temperature's rising when the heat gives off too much, need ventilate this moment and adjust ambient temperature, control air compression station terminal equipment operational environment's temperature through the management and control platform of airing exhaust, through the hot-air outgoing with operational environment, and send into low temperature new air, realize air compression station terminal equipment and external circulation of air, thereby realize the regulation and control of temperature.
The temperature and humidity of the air inlet side, the temperature and humidity of the air supply side and the temperature and humidity of the air return side which are respectively obtained by setting the first temperature and humidity sensor, the second temperature and humidity sensor and the third temperature and humidity sensor are used for obtaining parameters reflecting the heat recovery performance of the air inlet fan, such as heat recovery efficiency, heat recovery energy and the like. And then, controlling the operation of the air inlet machine according to the obtained parameters, for example, when the heat recovery efficiency obtained by the controller is low, the controller can control the air inlet machine through a main board of the air inlet machine, and take measures for reducing air volume, so that the heat recovery efficiency of the air inlet machine is improved, and the purposes of saving energy and reducing consumption are achieved.
Calculating the temperature exchange efficiency: the ratio of the difference between the inlet air temperature at the air inlet side and the supply air temperature at the air supply side to the difference between the inlet air temperature at the air inlet side and the return air temperature at the air return side is expressed by percentage.
Figure BDA0003785452990000071
In the formula: eta wd : temperature exchange efficiency,%;
t xj : the temperature of the inlet air is in DEG C;
t xc : air supply temperature, DEG C;
t pj : return air temperature at DEG C.
Enthalpy exchange efficiency calculation: and under the corresponding air quantity, the ratio of the enthalpy difference between the air inlet side and the air supply side to the enthalpy difference between the air inlet side and the air return side is expressed by percentage.
Figure BDA0003785452990000072
In the formula eta h : enthalpy exchange efficiency,%;
i xj : the enthalpy value of the inlet air is kJ/kg;
i xc : the enthalpy value of the air supplied is kJ/kg;
i pj : return air enthalpy, kJ/kg.
And calculating the heat recovery efficiency and the heat recovery energy according to the temperature and humidity values of the air inlet side, the air supply side and the air return side which are respectively obtained by the first temperature and humidity sensor, the second temperature and humidity sensor and the third temperature and humidity sensor. The method comprises the following specific steps:
in the form of an hourly display of the collected data,
Q=∑(W×|h xj -h xc |)
in the formula: q represents the energy recovered for 1h, and the unit is kJ; w represents the air volume of 1min in kg, W = ρ V, where ρ represents the air density and V represents the air volume corresponding to the gear 1min in m 3 /1min;h xc Expressing the air supply enthalpy value of the air supply side at the collection time, wherein the unit is kJ/kg; h is a total of xj The unit of the enthalpy value of the intake air at the intake side at the acquisition time is kJ/kg.
The air quantity value is required to provide a change curve of the residual pressure outside the air inlet machine and the air quantity, the length of the air inlet and air supply pipe sections installed on the air inlet machine is input, and the resistance value of the control platform can be estimated through the length.
The control of the environmental temperature and humidity is assisted by a constant-temperature control platform, the constant-temperature control platform generally adopts air conditioning equipment to realize the regulation of the environmental temperature and humidity, under the condition that an exhaust control platform cannot meet the regulation of the environment, the auxiliary constant-temperature control platform is started to realize the regulation of the environment, and when the indoor temperature exceeds a threshold value, the exhaust control platform is preferentially started; if the indoor temperature continuously rises and the exhaust control platform cannot meet the requirement of adjusting the environmental temperature, the exhaust control platform is closed, and the constant temperature control platform is opened; when the indoor temperature is reduced to a threshold value, the constant temperature control platform is closed, and the exhaust control platform is opened; when the indoor temperature continuously drops, the exhaust control platform is continuously closed.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (8)

1. The data centralized management and control platform based on the operation of the air compression station is characterized by comprising an acquisition module, a management module and a management module, wherein the acquisition module is used for acquiring data information of terminal equipment and environment of the air compression station and uploading the data information;
the processing module is used for receiving the data information acquired by the acquisition module, storing, analyzing and processing the data information, and sending a processed output command to the communication module;
the communication module is used for connecting the air compression station operation equipment and the processing module and sending an output command of the processing module to each terminal device;
the cloud platform is used for receiving the data information uploaded by the processing module and the real-time data of the terminal equipment of the air compression station;
and the manual control module is connected with the processing module and the cloud platform and used for issuing a control instruction and modifying control parameters of the control platform to realize control over the terminal equipment of the air compression station and the environment.
2. The data centralized management and control platform based on operation of the air compression station as claimed in claim 1, wherein the acquisition module acquires information of terminal equipment of the air compression station and working environment through sensors.
3. The data centralized management and control platform based on operation of the air compression station as claimed in claim 1, wherein the environmental information includes an ambient temperature and an ambient humidity at which the air compression station terminal device operates.
4. The data centralized management and control platform based on the operation of the air compression station as claimed in claim 1, wherein the cloud platform is connected with a user intelligent terminal, and the internet of things cloud platform is connected with the user intelligent terminal through an ethernet, a Wi-Fi and a GSM/GPRS communication module.
5. The data centralized management and control platform based on operation of the air compression stations as claimed in claim 1, wherein an alarm module and an emergency module are arranged in the control module, the alarm module needs to give an alarm to an operator in time when the air compressor fails, and the emergency module is in emergency shutdown when the air compressor fails seriously.
6. The data centralized control platform based on operation of the air compression stations as claimed in claim 5, wherein the alarm module is provided with an alarm recording unit, the alarm recording unit stores alarm information so that a user can find out a fault, and the alarm information comprises date and time, object name, alarm type, triggering alarm data and alarm reason.
7. The data centralized management and control platform based on the operation of the air compression station as claimed in claim 1, wherein the manual control module is provided with a security module, the security module comprises a user account password login, and the parameter change is controlled by an independent password.
8. The data centralized management and control platform based on operation of air compression stations according to claim 1, wherein the processing module implements a start/stop mode, a load/unload mode and an automatic control mode combining the above two modes for the terminal device through the communication module.
CN202210940653.2A 2022-08-06 2022-08-06 Data centralized management and control platform based on operation of air compression station Pending CN115263735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210940653.2A CN115263735A (en) 2022-08-06 2022-08-06 Data centralized management and control platform based on operation of air compression station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210940653.2A CN115263735A (en) 2022-08-06 2022-08-06 Data centralized management and control platform based on operation of air compression station

Publications (1)

Publication Number Publication Date
CN115263735A true CN115263735A (en) 2022-11-01

Family

ID=83749815

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210940653.2A Pending CN115263735A (en) 2022-08-06 2022-08-06 Data centralized management and control platform based on operation of air compression station

Country Status (1)

Country Link
CN (1) CN115263735A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117032120A (en) * 2023-08-16 2023-11-10 广东超级龙节能环保科技有限公司 Integrated intelligent cloud control system and control method for air compression station

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524357A (en) * 2016-12-07 2017-03-22 中山路得斯空调有限公司 Intelligent control system of central air conditioner
CN108105095A (en) * 2016-11-25 2018-06-01 李晓兵 A kind of fieldbus based screw air compressor group control system
CN207881101U (en) * 2018-01-24 2018-09-18 中国建筑科学研究院有限公司 Xingfeng capsule system and fresh air system
CN214063261U (en) * 2020-12-30 2021-08-27 海澜智云科技有限公司 Intelligent group control device for air compressor
CN214843395U (en) * 2021-06-15 2021-11-23 安科高新技术(河南)研究院有限公司 Intelligent air compressor unattended system
CN114035520A (en) * 2021-10-27 2022-02-11 山西潞安集团余吾煤业有限责任公司 Intelligent supervision system and method for air compression station

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105095A (en) * 2016-11-25 2018-06-01 李晓兵 A kind of fieldbus based screw air compressor group control system
CN106524357A (en) * 2016-12-07 2017-03-22 中山路得斯空调有限公司 Intelligent control system of central air conditioner
CN207881101U (en) * 2018-01-24 2018-09-18 中国建筑科学研究院有限公司 Xingfeng capsule system and fresh air system
CN214063261U (en) * 2020-12-30 2021-08-27 海澜智云科技有限公司 Intelligent group control device for air compressor
CN214843395U (en) * 2021-06-15 2021-11-23 安科高新技术(河南)研究院有限公司 Intelligent air compressor unattended system
CN114035520A (en) * 2021-10-27 2022-02-11 山西潞安集团余吾煤业有限责任公司 Intelligent supervision system and method for air compression station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117032120A (en) * 2023-08-16 2023-11-10 广东超级龙节能环保科技有限公司 Integrated intelligent cloud control system and control method for air compression station

Similar Documents

Publication Publication Date Title
CN206657458U (en) The long-range monitoring and warning system of electrical fire
CN103926961A (en) Overall regulation system and method of machine room
KR101314089B1 (en) Unmanned control system for equpiment and the control method
CN107449102B (en) hospital fan coil fault self-diagnosis method and device and readable storage medium
CN205015768U (en) Storage environmental monitoring governing system
CA2573723A1 (en) Html driven embedded controller
CN105971864B (en) Pump group drive system
CN115263735A (en) Data centralized management and control platform based on operation of air compression station
CN105258290A (en) Air conditioner onboard group control system
CN110825003A (en) Vacuum equipment monitoring control system
CN102022799A (en) Energy-saving control method for central air conditioner system
CN105020045A (en) Controller with CAN bus
CN110793157A (en) Cabinet air conditioner and energy-saving control system thereof
CN110763288A (en) Motor monitoring system
CN212846525U (en) Power distribution comprehensive environment monitoring system
CN109519363B (en) Integrated medical air compressor electrical control system and electrical control method thereof
CN116827709A (en) Control method, control device, electronic equipment and storage medium
CN213057467U (en) Intelligent cabin ventilation system suitable for offshore nuclear power platform
CN114087683A (en) Monitoring and controlling system and method for controlling room temperature and humidity in unattended mode
CN215213811U (en) Air compressor machine convenient to centralized control management
CN206035780U (en) Intelligence pump control method
CN112558539A (en) Energy management system based on panoramic perception, monitoring method and air conditioner
CN207008361U (en) Domestic air conditioning long-distance intelligent control device
CN219935991U (en) Electrical equipment fault detection system
CN112152310A (en) Device for reporting and protecting equipment in power failure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20221101

RJ01 Rejection of invention patent application after publication