CN216817212U - Intelligent controller - Google Patents
Intelligent controller Download PDFInfo
- Publication number
- CN216817212U CN216817212U CN202220304916.6U CN202220304916U CN216817212U CN 216817212 U CN216817212 U CN 216817212U CN 202220304916 U CN202220304916 U CN 202220304916U CN 216817212 U CN216817212 U CN 216817212U
- Authority
- CN
- China
- Prior art keywords
- intelligent controller
- equipment
- controller
- intelligent
- cpu
- 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.)
- Active
Links
Images
Landscapes
- Testing And Monitoring For Control Systems (AREA)
Abstract
The utility model relates to an intelligent controller, wherein the intelligent controller comprises a touch screen, a display and a control module, wherein the touch screen is used for setting operation parameters of equipment and displaying operation data and alarm information; the intelligent electric energy meter is used for providing detailed electricity utilization information for a user; the digital quantity input module is used for realizing reading equipment detection signals and operation signals, and the digital output module is used for controlling the equipment to execute corresponding parts to realize logic control; the analog input module is used for realizing multiple functions of the equipment; the analog quantity output module is used for correspondingly adjusting the equipment; the industrial Ethernet interface module is used for IOT industrial Internet of things and realizing network communication with each sensor and equipment; and the serial communication interface module is used for carrying out network communication with equipment or an upper computer so as to meet the communication requirement of a user. The intelligent controller has the advantages of stable operation, strong anti-interference capability, wide application range, simple and convenient programming and the like.
Description
Technical Field
The utility model relates to the technical field of controllers, in particular to a controller comprising a touch screen, a PLC, an intelligent electric energy meter and an IOT industrial Internet of things, and specifically relates to an intelligent controller integrating temperature control, logic control, analog quantity control, electric energy detection and the IOT industrial Internet of things.
Background
Industrial PLC controller, touch-sensitive screen, intelligent ammeter, the industrial thing networking device of IOT on the existing market exist as four independent parts, need dispose four parts simultaneously during the use.
PLC programmable logic controllers are digital arithmetic operating electronic systems designed specifically for use in industrial environments. It uses a programmable memory, in which the instructions for implementing logical operation, sequence control, timing, counting and arithmetic operation are stored, and utilizes digital or analog input and output to control various mechanical equipments or production processes. The method has the characteristics of strong universality, convenient use, wide application range, high reliability, strong anti-interference capability, simple programming and the like in the industrial field.
Problems and drawbacks of PLC:
1. the overall dimension of the PLC controller is relatively large, and if the device needs to use analog input and communication functions, the PLC controller needs to add a response function module, which further increases the installation space of the PLC controller.
2. The PLC controller used by the equipment has high use cost and poor cost performance ratio.
The touch screen is an induction type liquid crystal display device capable of receiving input signals of a contact and the like, when a graphic button on the screen is contacted, a touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, a mechanical button panel can be replaced, and vivid video and audio effects can be produced by a liquid crystal display picture. As a latest computer input device, the touch screen is a simple, convenient and natural man-machine interaction mode. The multimedia interactive device gives the multimedia a brand-new appearance and is a brand-new multimedia interactive device with great attractiveness.
Problems and drawbacks of touch screens:
like a PLC (programmable logic controller), the touch screen used by the equipment has high cost and poor cost performance.
The intelligent electric energy meter is one of basic devices for data acquisition of an intelligent power grid (particularly an intelligent power distribution network), bears the tasks of original electric energy data acquisition, metering and transmission, and is the basis for realizing information integration, analysis optimization and information display. Besides the metering function of the basic electricity consumption of the traditional electric energy meter, the intelligent electric meter also has intelligent functions such as bidirectional multi-rate metering function, user side control function, bidirectional data communication function of multiple data transmission modes and the like in order to adapt to the use of an intelligent power grid and new energy. The intelligent electric energy meter provides more detailed electricity utilization information for users, so that the users can better manage the electricity consumption of the users, and the aims of saving electricity charges and reducing greenhouse gas emission are fulfilled.
Problems and drawbacks of intelligent electric energy meters:
the intelligent electric energy meter used by the equipment has high cost and poor cost performance.
The IOT industrial Internet of things, namely the internet connected with everything, is an extended and expanded network on the basis of the Internet, various information sensing devices are combined with the network to form a huge network, and the interconnection and the intercommunication of people, machines and things at any time and any place are realized. The internet of things is a network which connects any article with the internet according to an agreed protocol through information sensing equipment such as radio frequency identification, infrared sensors, a global positioning system, a laser scanner and the like to exchange and communicate information so as to realize intelligent identification, positioning, tracking, monitoring and management of the article.
Problems and drawbacks of IOT industrial internet of things devices:
the IOT industrial Internet of things device used by equipment has high cost and poor cost performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides an intelligent controller integrating functions of a PLC, a touch screen, an intelligent electric energy meter and an IOT (Internet of things) industrial network.
In order to achieve the above object, an intelligent controller of the present invention is specifically as follows:
this intelligent control ware, its key feature is, includes:
the touch screen is connected with the CPU of the controller and is used for setting the running parameters of the equipment and displaying the running data and the alarm information;
the intelligent electric energy meter is connected with the CPU of the controller and is used for detecting electric energy data of voltage, current and power consumption of equipment and providing detailed electricity utilization information for a user in real time;
the digital quantity input module is connected with the CPU of the controller and is used for reading equipment detection signals and operation signals;
the digital quantity output module is connected with the CPU of the controller and is used for controlling the equipment to execute corresponding parts to realize logic control;
the analog input module is connected with the CPU of the controller and is used for realizing the functions of equipment including but not limited to multi-temperature setting, flow monitoring, pressure monitoring, air volume monitoring and dew point monitoring;
the analog quantity output module is connected with the CPU of the controller and is used for realizing stepless opening adjustment of equipment including but not limited to a media control valve and stepless speed regulation of a compressor and a media pump;
the industrial Ethernet interface module is connected with the CPU of the controller and is used for IOT industrial Internet of things and realizing network communication with each sensor and equipment; and
and the serial communication interface module is connected with the CPU of the controller and is used for carrying out network communication with equipment or an upper computer so as to meet the communication requirements of users.
Preferably, the touch screen is a 7-inch color touch screen, and the operation data is displayed in a numerical value mode and a curve mode, so that a user can conveniently monitor the operation state of the equipment.
Preferably, the analog input module includes an analog input interface, and the intelligent controller is integrally provided with 8 channels of the analog input interface.
Preferably, the analog output module comprises an analog output interface, and the intelligent controller is integrated with 4 channels of analog output.
Preferably, the intelligent controller further comprises an NTC input interface, and the intelligent controller is provided with a 26-point thermistor NTC input interface.
Preferably, the intelligent controller further comprises a temperature sensor input interface, and the intelligent controller is provided with 4 channels of the temperature sensor input interface, supports the temperature sensor input including a Pt100 thermal resistor, a K-type thermocouple and a J-type thermocouple, and realizes PID temperature control in three modes of heating, cooling and heating and cooling.
Preferably, the intelligent controller supports external plug-in SD card or U disk to expand the storage capacity, so as to realize long-time storage of large-capacity data of operation data and alarm information data of the intelligent controller.
Preferably, the intelligent controller can export the machine operation data and the alarm information stored in the intelligent controller through the SD card or the usb disk, and can track, check and store the core machine information of the equipment including the operation recipe, the operation information, and the alarm information.
Preferably, the SD card and the usb disk are also used for downloading the program of the intelligent controller.
By adopting the intelligent controller, according to the actual use condition of plastic molding peripheral equipment, the intelligent controller integrating the functions of the PLC, the touch screen, the intelligent electric energy meter and the IOT industrial Internet of things is formed and developed, and the PLC, the touch screen, the intelligent electric energy meter and the IOT industrial Internet of things are integrated together to be tightly combined, so that the intelligent controller is small in appearance size, compact in structure, and capable of saving installation space.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent controller according to the present invention.
Fig. 2 is a schematic diagram of the internal structure of the intelligent controller of the present invention.
Detailed Description
In order that the technical contents of the present invention can be more clearly described, the present invention will be further described with reference to specific embodiments.
Before describing in detail embodiments that are in accordance with the present invention, it should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, the intelligent controller of the present invention includes:
the touch screen is connected with the CPU of the controller and is used for setting the running parameters of the equipment and displaying the running data and the alarm information;
the intelligent electric energy meter is connected with the CPU of the controller and is used for detecting electric energy data of voltage, current and power consumption of equipment and providing detailed electricity utilization information for a user in real time;
the digital quantity input module is connected with the CPU of the controller and is used for reading equipment detection signals and operation signals;
the digital quantity output module is connected with the CPU of the controller and is used for controlling the equipment to execute corresponding parts to realize logic control;
the analog input module is connected with the CPU of the controller and is used for realizing the functions of equipment including but not limited to multi-temperature setting, flow monitoring, pressure monitoring, air volume monitoring and dew point monitoring;
the analog quantity output module is connected with the CPU of the controller and is used for realizing stepless opening adjustment of equipment including but not limited to a media control valve and stepless speed regulation of a compressor and a media pump;
the industrial Ethernet interface module is connected with the CPU of the controller and is used for IOT industrial Internet of things and realizing network communication with each sensor and equipment; and
and the serial communication interface module is connected with the CPU of the controller and is used for carrying out network communication with equipment or an upper computer so as to meet the communication requirement of a user.
As a preferred embodiment of the present invention, the touch screen is a 7-inch color touch screen, and the operation data is displayed in a numerical value mode and a curve mode, so as to facilitate a user to monitor the operation state of the device.
As a preferred embodiment of the present invention, the analog input module includes an analog input interface, and the intelligent controller is integrally provided with 8 channels of the analog input interface.
As a preferred embodiment of the present invention, the analog output module includes an analog output interface, and the intelligent controller is integrally provided with 4 channels of analog outputs.
As a preferred embodiment of the present invention, the intelligent controller further comprises an NTC input interface, and the intelligent controller is provided with a 26-point thermistor NTC input interface.
As a preferred embodiment of the present invention, the intelligent controller further includes a temperature sensor input interface, and the intelligent controller is provided with 4 channels of the temperature sensor input interface, and supports the temperature sensor input including a Pt100 thermal resistor, a K-type thermocouple, and a J-type thermocouple, and implements PID temperature control of three modes of heating, cooling, and heating and cooling.
In a preferred embodiment of the present invention, the smart controller expands a storage capacity of the smart controller by supporting an external SD card or a usb disk, so as to store a large amount of data of operation data and alarm information data of the smart controller for a long time.
In a preferred embodiment of the present invention, the intelligent controller may export the machine operation data and the alarm information stored in the intelligent controller through the SD card or the usb disk, and may track, check and store core machine information including an operation recipe, operation information, and alarm information of the equipment.
In a preferred embodiment of the present invention, the SD card and the usb disk are also used to download the program of the intelligent controller.
In practical application, the intelligent controller adopts a multi-processor control mode, and the PLC, the touch screen, the intelligent electric energy meter and the IOT industrial Internet of things device are provided with independent processors for operation processing, so that the operation processing speed and performance of the controller are greatly improved.
The intelligent controller of the utility model integrally controls the CPU, the touch screen, the intelligent electric energy module, the digital quantity input module, the thermistor NTC input module, the digital quantity output module, the temperature input module, the analog quantity output module, the industrial Ethernet interface module, the serial communication interface module and the external memory interface, all the modules are directly connected with the CPU of the controller, the data processing is stable and fast, and the requirements of the stability, the rapidity and the accuracy of the controller are realized.
The intelligent controller provided by the utility model integrates a 7-inch color touch screen, can be used for setting the operation parameters of equipment, displaying operation data, alarm information and the like, and the operation data is displayed in a numerical value mode and a curve mode, so that a client can conveniently monitor the operation state of the equipment.
The intelligent controller integrates the functions of the intelligent electric energy meter, can detect the electric energy data of voltage, current, power consumption and the like of equipment, provides the electricity utilization information of the equipment for users in real time, and enables the users to better manage the electricity consumption of the users so as to achieve the aims of saving electricity charge and reducing greenhouse gas emission.
According to the actual use condition of the plastic molding peripheral equipment, the intelligent controller is provided with 24 switching value input interfaces and 23 switching value output interfaces, and the switching value output mode of the controller is configured according to three modes of a relay, a transistor and an SSR, so that the control output requirements of different loads are met.
According to the actual use condition of the plastic molding peripheral equipment, the intelligent controller is provided with a 4-channel temperature sensor input interface, supports the input of temperature sensors with various specifications such as a Pt100 thermal resistor, a K-type thermocouple, a J-type thermocouple and the like, can realize PID temperature control in three modes of heating/cooling/heating and cooling, and has high temperature control precision.
According to the actual use condition of the plastic molding peripheral equipment, the intelligent controller integrates 8-channel analog quantity input, can realize the functions of multi-temperature setting, flow monitoring, pressure monitoring, air quantity monitoring, dew point monitoring and the like of the equipment, and meets the industrial requirements of the plastic molding peripheral equipment.
According to the actual use conditions of refrigeration equipment such as a water chiller and the like, the intelligent controller integrates 4-pass analog output, can realize the functions of stepless opening adjustment of a media control valve of the equipment, stepless speed regulation of a compressor and a media pump and the like, and meets the special control function of the refrigeration equipment.
According to the special overheat protection function of refrigeration equipment such as a water chiller and the like, the intelligent controller integrates the input of a 26-point thermistor NTC, meets the input detection function of a special overheat protection output signal of the refrigeration equipment, and ensures that the refrigeration equipment can run completely and reliably.
The intelligent controller is provided with an industrial Ethernet interface, IOT industrial internet of things can be carried out, network communication among various sensors and equipment can be carried out, and intelligent identification, positioning, tracking, monitoring and management of a client on factory equipment are realized.
The intelligent controller is provided with 422/485 communication serial ports with three common communication specifications, and can carry out network communication between devices or with an upper computer, thereby meeting the communication requirements of users.
The intelligent controller of the utility model supports external insertion of an SD card or a U disk to expand the storage capacity of the controller, and realizes large-capacity and long-time storage of data such as controller operation data, alarm information and the like.
The intelligent controller is provided with two common memory interfaces of an SD card and a USB, and can export the machine operation data and the alarm information stored in the controller through the SD card or the U disk, and track, check and store the core machine information such as the operation formula, the operation information, the alarm information and the like of the equipment.
The SD card and the U disk can be used for downloading the controller program, and the downloading operation of the controller program is simple and convenient.
In one embodiment of the present invention, a KMS-G03 controller is used, and the specifications of the various components used in the controller are described below:
the controller specification is as follows:
1. power supply voltage: DC24V
2. A controller chip: ARM
-M7 CPU
3. Light coupling-in 24 point
4. Thermistor NTC input: 6 points
5. The output of the transistor is as follows: 4 points
6. Outputting by a relay: 8 points
SSR output: 11 point
8. Temperature input: 4 channel
9. Inputting an analog quantity: 8 channel
10. Inputting an analog quantity: 4 channel
11. Voltage detection: three-phase three-wire/three-phase four-wire
12. Current detection: 3CT
RS-422/485 communication function: 2 channel
RS-232C communication function: 1 channel
RJ45 ethernet interface: 2 channel
A USB interface: 1
SD card interface: 1
A touch screen:
| item | Specification description |
| Display screen | 7 inch, 16:9 style LCD |
| Resolution ratio | 1024×600 |
| Color(s) of | 24 bit |
| Brightness of light | 350cd/m2 |
| Back light | LED |
| Touch screen | 4-wire industrial resistance touch screen |
The detection specification of the intelligent electric energy meter is as follows:
| item | Description of the specification |
| Phase sequence detection function | Phase sequence detection |
| Measuring voltage input | 3-point (R, S, T detection) or 4-point (R, S, T, N detection) |
| Voltage measuring range | AC 100～450V |
| Period of voltage sampling | 1 second |
| When the voltage input is disconnected | Output alarm signal (controller associated soft element ON) |
| Current mutual inductance CT secondary side current | 1A or 5A |
| Measuring CT input | 3 dots (R, S, T detection) |
| Measuring |
0～200A，0～400A |
| Current sampling period | 1 second |
And (3) optical coupler input specification:
| item | Description of the specification |
| Input form | Optical coupler input |
| Number of input points | 24 points |
| Rated input voltage | DC24V |
| Input impedance | 3.4kΩ |
| Minimum ON voltage | DC10V |
| Maximum OFF voltage | DC7V |
| Insulation mode | Optical coupler insulation |
Thermistor input specification:
| item | Description of the specification |
| Input form | NTC，R0＝15kΩ，B0/100＝3450K |
| Number of input points | 6 dots (OP expansion 20 dots) |
| Sampling frequency | 1Hz |
| Operating voltage | ≤12VDC |
Transistor output specification:
| item | Specification description |
| Output form | Transistor output |
| Number of output points | 4 points |
| Rated load voltage | DC24V |
| Load voltage range | DC5V～36V |
| Maximum load current | 2A/1 point (resistance load) |
| Insulation mode | Photoelectric coupler insulator |
And (3) output specification of the relay:
| item | Description of the specification |
| Output form | Output of relay |
| Number of output points | 8 points |
| Rated load voltage | AC250V/DC30V |
| Load voltage range | AC250V/DC30V |
| Maximum load current | 3A/1 point (resistance load) |
| Countermeasure against surge shock | Surge absorber (Surge voltage: 470V) |
SSR output specification:
| item | Specification description |
| Output form | SSR output |
| Number of output points | 11 point |
| Rated load voltage | AC220V |
| Load voltage range | AC48～280V |
| Countermeasure against surge shock | Surge absorber |
| Public connection | 11-point 1COM |
Temperature input specification:
analog input specification:
| item | Specification description |
| Number of input points | 8 points |
| |
0～20mA |
| Allowing maximum input signal | 30mA |
| Input impedance | 250Ω |
| Channel isolation mode | Is composed of |
| Sampling period | 100ms |
Analog quantity output specification:
| item | Description of the specification |
| Number of output points | 4 points |
| |
0～20mA |
| Allowing maximum output signal | 30mA |
| Load impedance | 500Ω |
| Channel isolation mode | Is composed of |
The serial port communication specification is as follows:
ethernet communication specifications (LAN1, LAN 2):
| item | Specification description |
| Communication specification | RJ45 Ethernet |
| Communication protocol | Modbus-TCP，Opc-UA |
| Speed of elevator | 10M/100M adaptation |
| Distance to transfer ladder | Total extension 100m |
| External connection | RJ45 network cable |
SD memory card interface specification:
| item | Specification description |
| Form(s) of | SD card interface, data storage, program import |
USB interface specification:
| item | Specification description |
| Form(s) of | USB1 flat port, U disk interface (data storage, program import) |
| Form(s) of | USB2 square port, program downloading special port |
Specification of a buzzer:
| item | Specification description |
| Volume of sound | 90dB |
| Life span | 500 hours |
By adopting the intelligent controller, according to the actual use condition of the plastic molding peripheral equipment, the intelligent controller integrating the functions of the PLC, the touch screen, the intelligent electric energy meter and the IOT industrial Internet of things is formed and developed, and the PLC, the touch screen, the intelligent electric energy meter and the IOT industrial Internet of things are integrated together and tightly combined, so that the intelligent controller is small in appearance size, compact in structure, and capable of saving installation space, and the intelligent controller is simpler and more convenient to install due to the integrated design.
In this specification, the utility model has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the utility model. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (9)
1. An intelligent controller, comprising:
the touch screen is connected with the CPU of the controller and is used for setting the running parameters of the equipment and displaying the running data and the alarm information;
the intelligent electric energy meter is connected with the CPU of the controller and is used for detecting electric energy data of voltage, current and power consumption of equipment and providing detailed electricity utilization information for a user in real time;
the digital quantity input module is connected with the CPU of the controller and is used for reading equipment detection signals and operation signals;
the digital quantity output module is connected with the CPU of the controller and is used for controlling the equipment to execute corresponding parts to realize logic control;
the analog input module is connected with the CPU of the controller and is used for realizing the functions of equipment including but not limited to multi-temperature setting, flow monitoring, pressure monitoring, air volume monitoring and dew point monitoring;
the analog quantity output module is connected with the CPU of the controller and is used for realizing stepless opening adjustment of equipment including but not limited to a media control valve and stepless speed regulation of a compressor and a media pump;
the industrial Ethernet interface module is connected with the CPU of the controller and is used for IOT industrial Internet of things and realizing network communication with each sensor and equipment; and
and the serial communication interface module is connected with the CPU of the controller and is used for carrying out network communication with equipment or an upper computer.
2. The intelligent controller according to claim 1, wherein the touch screen is a 7-inch color touch screen, and the operational data is displayed in both numerical and curvilinear manners.
3. The intelligent controller according to claim 1, wherein the analog input module comprises an analog input interface, and the intelligent controller is integrally provided with 8 channels of the analog input interface.
4. The intelligent controller according to claim 1, wherein the analog output module comprises an analog output interface, and the intelligent controller is integrally provided with 4 channels of the analog output.
5. The intelligent controller according to claim 1, further comprising an NTC input interface, and wherein the intelligent controller is provided with a 26-point thermistor NTC input interface.
6. The intelligent controller according to claim 1, further comprising a temperature sensor input interface, wherein the intelligent controller is provided with 4 channels of the temperature sensor input interface, supports the temperature sensor input including a Pt100 thermal resistor, a K-type thermocouple and a J-type thermocouple, and realizes PID temperature control in three modes of heating, cooling and heating-cooling.
7. The intelligent controller according to claim 1, wherein the intelligent controller supports external plug-in of an SD card or a U disk to expand the storage capacity, so as to realize long-time storage of large-capacity data of operation data and alarm information data of the intelligent controller.
8. The intelligent controller according to claim 7, wherein the intelligent controller is further capable of exporting the machine operation data and the alarm information stored in the intelligent controller via the SD card or the usb disk, and tracking, viewing and storing core machine information including an operation recipe, operation information and alarm information of the equipment.
9. The intelligent controller according to claim 8, wherein the SD card and the usb disk are further used for downloading the program of the intelligent controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220304916.6U CN216817212U (en) | 2022-02-15 | 2022-02-15 | Intelligent controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220304916.6U CN216817212U (en) | 2022-02-15 | 2022-02-15 | Intelligent controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216817212U true CN216817212U (en) | 2022-06-24 |
Family
ID=82040712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220304916.6U Active CN216817212U (en) | 2022-02-15 | 2022-02-15 | Intelligent controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216817212U (en) |
-
2022
- 2022-02-15 CN CN202220304916.6U patent/CN216817212U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102622007B (en) | Energy-saving control method and device for cabinet | |
| CN101290514A (en) | Energy-saving monitoring system and its energy-saving control method | |
| CN103727639A (en) | Central air conditioner energy saving system and method based on body | |
| CN216817212U (en) | Intelligent controller | |
| CN210573325U (en) | STM 32-based multifunctional environment monitoring system | |
| CN202799180U (en) | Wireless acquisition terminal for agricultural environmental information | |
| CN202694121U (en) | Data acquisition system for energy storage air conditioner | |
| CN103490797A (en) | Intelligent communication system based on power lines | |
| CN206387494U (en) | A kind of infrared imaging temperature measuring sensor | |
| CN105356822B (en) | A kind of two-way machine operating condition monitoring modular | |
| Ke et al. | Design of temperature and humidity monitoring system based on Zigbee technology | |
| CN208476430U (en) | Temperature polling instrument and temperature monitoring system | |
| CN210625862U (en) | Large-volume concrete temperature monitoring system based on Wi-Fi | |
| Sengupta et al. | Designing of a Remote Sensor System with Data Logging and Temperature Sensing Facility | |
| CN203455116U (en) | Controlling apparatus for heating-cooling capacity integrating of central air conditioner | |
| CN206369557U (en) | A kind of electric energy acquisition and environment sensing node device based on Zigbee protocol | |
| CN207301171U (en) | A kind of intelligent electric meter | |
| CN208026588U (en) | ZigBee Campus Wireless LAN environment monitoring devices based on solar energy | |
| CN202929378U (en) | Intelligent data acquisition controller | |
| Weng et al. | Research on computer centralized management system based on thermal energy data acquisition and display | |
| Xu et al. | Based on GSM geothermal electricity control system design | |
| CN207395110U (en) | A kind of energy-saving management system of central air conditioner | |
| CN204359339U (en) | The universal detection module of a kind of distributed green building | |
| CN110618620A (en) | Intelligent integrated system for oil and gas well | |
| CN213637823U (en) | Internet of things terminal communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |