CN211906047U - Wireless measurement and control centralized display device - Google Patents
Wireless measurement and control centralized display device Download PDFInfo
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- CN211906047U CN211906047U CN202020888732.XU CN202020888732U CN211906047U CN 211906047 U CN211906047 U CN 211906047U CN 202020888732 U CN202020888732 U CN 202020888732U CN 211906047 U CN211906047 U CN 211906047U
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Abstract
The utility model provides a wireless observing and controlling centralized display device, it includes the electrical unit, the touch-sensitive screen display unit, the display control unit, wireless receiving unit, interface communication circuit, the alarm unit, the data storage unit who is connected with the display control unit and install the wireless acquisition unit at each temperature measurement point, the electrical unit is for concentrating display device output working power, the display control unit communicates with the host computer through interface communication circuit, the wireless acquisition unit is used for gathering the data signal of each temperature measurement point, the output connection of wireless acquisition unit is to the wireless receiving unit, the real-time data signal who will gather sends to the display control unit, the data transmission after the display control unit will be handled shows to the touch-sensitive screen display unit. The utility model discloses a complete network systematization modularized design has overcome traditional wireless observing and controlling and has concentrated the demonstration wiring complicacy, with other intelligent control equipment interface difficulty scheduling problem.
Description
Technical Field
The utility model relates to a observe and control technical field, especially relate to a wireless observing and controlling centralized display device.
Background
The temperature real-time monitoring device is currently used for monitoring the temperature of various devices in an industrial field, such as a high-voltage cabinet, a low-voltage cabinet, a line, a motor and the like. Most of the products adopt wired data transmission, the monitoring range is limited, the same type of products in the market all adopt black and white screen display, and the data volume capable of being displayed simultaneously is limited.
The traditional wireless measurement and control centralized display wiring is complex, is difficult to interface with other intelligent control equipment (no communication interface, no waveform recording data), and mainly has the following defects: 1. the number of received wireless signals is small; 2. the single-thread processing speed of the software is low; 3. the mode of interconnection and communication with other intelligent control equipment is single; 4. The integrated video monitoring and data reading device is not beneficial to integration and utilization of all things interconnection resources, and the whole-course video monitoring and data reading are needed along with all things interconnection development engineering, while the traditional controller cannot provide real-time video control monitoring data to record waveform data, so that obstacles are brought to all things interconnection design.
In addition, the traditional wireless measurement and control centralized display controller in the market at present adopts a mode without system operation, so that the processing data volume is small, the wireless data loss is serious, the batch storage of historical data cannot be realized, and particularly, the generation of a historical curve is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a it is complicated to have overcome the wireless demonstration wiring that observes and controls of tradition completely, concentrates display device with the wireless observation and control of other intelligent control equipment interface difficulty scheduling problem.
In order to achieve the main purpose, the wireless measurement and control centralized display device provided by the utility model comprises a power supply unit, a touch screen display unit, a display control unit, a wireless receiving unit, an interface communication circuit, an alarm unit, a data storage unit connected with the display control unit and a wireless acquisition unit installed at each temperature measuring point, wherein the power supply unit is used for outputting a working power supply for the centralized display device, the display control unit is communicated with an upper computer through the interface communication circuit, the wireless acquisition unit is used for acquiring data signals of each temperature measuring point, the output of the wireless acquisition unit is connected to the wireless receiving unit, the acquired real-time data signals are transmitted to the display control unit, the display control unit transmits the processed data to the touch screen display unit for display, when an abnormal signal is detected, performing acousto-optic alarm action through the alarm unit; the display control unit establishes communication connection with the wireless receiving unit and the interface communication circuit through a communication protocol, receives collected data signals transmitted by the wireless collecting unit in each temperature measuring point area in the communication process, analyzes and processes the collected data and converts the data into data signals which can be received by the upper computer.
In a further scheme, wireless observing and controlling concentrates display device still includes communication protocol conversion module, show the control unit with wireless receiving element interface communication circuit communication protocol conversion module connects the communication return circuit that forms different communication protocols and convert, the communication return circuit with show the control unit and connect, every include at least one in the communication return circuit communication protocol conversion module, every communication protocol conversion module corresponds and is connected with a communication interface.
In a further scheme, the interface communication circuit comprises at least one RS-485 interface circuit, the RS-485 interface circuit is connected with the display control unit, and the RS-485 interface circuit is a photoelectric isolation RS485 communication circuit with isolation.
In a further aspect, the wireless receiving unit includes a 433M/2.4G/315M wireless transceiver unit, and is configured to establish a communication connection with the display control unit and the wireless acquisition unit in a wireless radio frequency manner.
In a further aspect, the wireless receiving unit includes a CC1101 wireless communication module, configured to establish a communication connection with the display control unit and the wireless acquisition unit.
In a further scheme, the power supply unit comprises a three-terminal voltage-stabilizing low-power-consumption power supply chip with the model number of HT5331, a VOUT pin of the three-terminal voltage-stabilizing low-power-consumption power supply chip is connected with a VCC pin of the display control unit, a VIN pin of the three-terminal voltage-stabilizing low-power-consumption power supply chip is connected with a capacitor C1, the VOUT pin of the three-terminal voltage-stabilizing low-power-consumption power supply chip is connected with a capacitor C4 and a transient suppression diode D5, a first end of the capacitor C4 is connected with a negative electrode of the transient suppression diode D5, and a second end of the capacitor C4 is grounded after being connected with an anode of the transient suppression diode D5.
In a further scheme, the display control unit comprises a central processing unit, a hardware watchdog module, a data storage unit, a clock module and a reset timer, wherein the hardware watchdog module, the data storage unit, the clock module and the reset timer are respectively connected with the central processing unit, the data storage unit comprises a memory module and an SD memory card, and the memory module and the SD memory card are both connected with the central processing unit.
In a further aspect, the touch screen display unit includes a display screen, a liquid crystal layer, and a backlight device, and the liquid crystal layer is located between the display screen and the backlight device.
In a further scheme, the wireless measurement and control centralized display device further comprises a state indication module, and the state indication module is connected with the display control unit.
The utility model has the advantages that: the utility model discloses a complete network systematization modular design, only need consider during the device and wireless connection communication interface and communication protocol can, simultaneously, receiving area can be installed completely on the spot to this device, need not gather outside input and carry out logic communication and differentiate, all logic communication are differentiated and are all accomplished through wireless observing and controlling centralized display control unit, outside wireless thing allies oneself with the monomer module and only need initiatively send the data collection to the device, realize data centralized processing and picture and text data analysis, also can realize network communication, serial communication, the coexistence of many data modes such as, the multithread operation. The device has the advantages of simple structure, low cost, wide application range and strong universality.
Drawings
Fig. 1 is a schematic block diagram of a circuit according to an embodiment of the present invention.
Fig. 2 is the utility model relates to a wireless observing and controlling concentrates circuit schematic diagram that shows the control unit in the display device embodiment.
Fig. 3 is the utility model relates to a circuit schematic diagram of the high-speed opto-coupler of photoelectric isolation RS485 communication circuit in the wireless observing and controlling centralized display device embodiment.
Fig. 4 is a schematic circuit diagram of an isolated 485 chip of a photoelectric isolation RS485 communication circuit in the embodiment of a wireless measurement and control centralized display device.
Fig. 5 is a schematic circuit diagram of a CC1101 wireless communication module in the embodiment of a wireless measurement and control centralized display device of the present invention.
Fig. 6 is a schematic circuit diagram of a power supply unit in an embodiment of a wireless measurement and control centralized display device.
Fig. 7 is the utility model relates to a circuit schematic diagram of hardware watchdog module in wireless observing and controlling concentrated display device embodiment.
Fig. 8 is a schematic circuit diagram of a data storage unit in an embodiment of a wireless measurement and control centralized display device.
Fig. 9 is a schematic circuit diagram of a clock module in an embodiment of a wireless measurement and control centralized display device.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
An embodiment of a wireless measurement and control centralized display device comprises:
referring to fig. 1 and fig. 2, the wireless measurement and control centralized display device of the present invention comprises a power supply unit 1, a touch screen display unit 2, a display control unit, and a wireless receiving unit 3, interface communication circuit 4, alarm unit 5, the data storage unit 6 who is connected with the display control unit and install the wireless acquisition unit 7 at each temperature measurement point, power supply unit 1 is centralized display device output working power, the display control unit communicates with host computer 100 through interface communication circuit 4, wireless acquisition unit 7 is used for gathering the data signal of each temperature measurement point, the output of wireless acquisition unit 7 is connected to wireless receiving element 3, the real-time data signal who will gather sends to the display control unit, the data transmission after the display control unit will handle shows to touch-sensitive screen display element 2, when detecting abnormal signal, carry out acousto-optic warning action through alarm unit 5. The upper computer 100 of the present embodiment is installed in the substation main station.
In this embodiment, the display control unit establishes a communication connection with the wireless receiving unit 3 and the interface communication circuit 4 through a communication protocol, and in the communication process, the display control unit receives the acquired data signals transmitted by the wireless acquisition unit 7 in each temperature measurement point region, analyzes the acquired data, and converts the data into data signals receivable by the upper computer 100.
In this embodiment, wireless observing and controlling concentrates display device still includes communication protocol conversion module 8, and the communication return circuit that shows the control unit and be connected formation different communication protocols with wireless receiving unit 3, interface communication circuit 4, communication protocol conversion module 8, and the communication return circuit is connected with the display control unit, includes a communication protocol conversion module 8 in every communication return circuit at least, and every communication protocol conversion module 8 corresponds and is connected with a communication interface.
As shown in fig. 3 and 4, the interface communication circuit 4 includes at least one RS-485 interface circuit, the RS-485 interface circuit is connected to the display control unit, wherein the RS-485 interface circuit is a photoelectric isolation RS485 communication circuit with isolation, and specifically includes a high-speed optical coupler U36(6N137) and an isolation type 485 chip U38.
In this embodiment, the wireless receiving unit 3 includes a 433M/2.4G/315M wireless transceiving unit, and is configured to establish a communication connection with the display control unit and the wireless acquisition unit 7 in a wireless radio frequency manner.
In the present embodiment, the wireless receiving unit 3 includes a CC1101 wireless communication module (U3) for establishing a communication connection with the display control unit and the wireless acquisition unit 7, as shown in fig. 5.
Referring to fig. 6, the power unit 1 includes a three-terminal voltage-stabilizing low-power-consumption power chip U2 with a model number of HT5331, a VOUT pin of the three-terminal voltage-stabilizing low-power-consumption power chip U2 is connected to a VCC pin of the display control unit, a VIN pin of the three-terminal voltage-stabilizing low-power-consumption power chip U2 is connected to a capacitor C1, a VOUT pin of the three-terminal voltage-stabilizing low-power-consumption power chip U2 is connected to a capacitor C4 and a transient suppression diode D5, a first end of the capacitor C4 is connected to a negative electrode of the transient suppression diode D5, and a second end of the capacitor C4 is connected to a positive electrode of the transient suppression.
Referring to fig. 7 to 9, the display control unit includes a central processing unit 11, a hardware watchdog module 12, a data storage unit 6, a clock module 13, and a reset timer 14, and the hardware watchdog module 12, the data storage unit 6, the clock module 13, and the reset timer 14 are respectively connected to the central processing unit 11.
Specifically, the hardware watchdog module 12(U5) may ensure that the CPU is operating normally, such as the MCP 1320; the clock module 13(U7) is used to provide a clock to the communication manager, such as DS 1302; a reset timer 14 for performing reset control on the communication manager; the data storage unit 6 can store data communication settings and fixed values.
The data storage unit 6 includes a memory module (U4) and an SD memory card, both of which are connected to the display control unit, and preferably, the memory module is an EEROM. Specifically, the memory module and the SD card dual-storage mode can meet the data storage requirements of different requirements, and the EEROM is mainly used for storing configuration information and change information, so that multiple configurations of equipment are avoided; the SD card mainly stores historical information, so that subsequent query and recovery are facilitated, disassembly is convenient, and influence of a system is small. The two storage modes are used complementarily, so that the performance of the equipment is optimal.
Preferably, the central processing unit 11 is an STM32F serial single chip microcomputer, is a core chip unit mainly used for receiving, displaying, storing, alarming and forwarding data, is a core of the wireless measurement and control centralized display control device of the whole system, is internally provided with an android system, a plurality of protocol conversion software modules and multithreading control software, and receives data sent by a single internet of things transmitting device in a management area through the control software to realize centralized acquisition and control; the 433M/2.4G/315M wireless transceiver unit mainly realizes the interconnection of objects and things, monitors and displays the running state of equipment in the area in a wireless mode in the centralized display area, monitors the state of each object connection point in real time according to logic judgment and logic calculation to realize data processing of each peripheral object connection unit, and centrally consults and analyzes the state of each object connection node.
In the present embodiment, the touch screen display unit 2 includes a display screen, a liquid crystal layer, and a backlight device, and the liquid crystal layer is located between the display screen and the backlight device.
In this embodiment, the wireless measurement and control centralized display device further includes a status indication module 9, and the status indication module 9 is connected with the display control unit. The status indication module 9 is connected with the display control unit. The state indicating module 9 comprises a state indicating lamp for indicating the running state of the serial port of the display control unit, and the indicating lamp is coupled with the display control unit; the status indication module 9 further includes status indicator lamps for indicating the working status of each external interface device, and displays the normal connection status of the devices by turning on and off the indicator lamps.
In this embodiment, the communication manager further includes an isolation transformer, where the isolation transformer isolates the network data received by the wireless receiving unit 3 and the interface communication circuit 4, and the isolated network data enters the central processing unit 11 and is cached in the data storage unit 6.
In practical application, when the wireless measurement and control centralized display device and the wireless Internet of things receive normal communication, a communication control relation can be established through a communication protocol (Modbus-RTU) and a built-in wireless communication module. The data acquisition of a wireless acquisition unit 7 (such as a wireless temperature measurement module) is realized by controlling data transceiving logic, the wireless internet of things data acquisition is not influenced by a line, the data calls the data of the internet of things unit in a broadcasting mode, the internet of things unit stops sending the data after receiving the broadcasting data, then the automatic delay is set for the time and address logic relation according to the address of the data, the data is actively uploaded, and the data uploading of adjacent modules is overlapped with the delay time according to the address sequence. The problem of short-distance data transmission collision is solved, and the short-distance data transmission collision is centralized and synchronized once every 24 hours according to the time synchronization with the master station. The data can be guaranteed to be sent to the wireless measurement and control centralized display device in the shortest time, data storage, data judgment logic analysis and curve generation are carried out, data transmission is achieved through different communication ports, and the data are transmitted to the master station through protocols. Data query and parameter setting, address setting and protocol selection can be realized through different menus in the touch equipment.
The utility model has the advantages that: the utility model discloses a complete network systematization modular design, only need consider during the device and wireless connection communication interface and communication protocol can, simultaneously, receiving area can be installed completely on the spot to this device, need not gather outside input and carry out logic communication and differentiate, all logic communication are differentiated and are all accomplished through wireless observing and controlling centralized display control unit, outside wireless thing allies oneself with the monomer module and only need initiatively send the data collection to the device, realize data centralized processing and picture and text data analysis, also can realize network communication, serial communication, the coexistence of many data modes such as, the multithread operation. The device has the advantages of simple structure, low cost, wide application range and strong universality.
The utility model can be directly installed near the temperature measuring point, and collects near wireless transmitting unit data and displays real-time data through the free frequency band of the 433M/2.4G/315M wireless receiving and transmitting unit; according to the logic judgment alarm and data storage, the historical curve generation can also transmit the data to a remote monitoring center in a centralized manner, and the device has the advantages of simple structure, easy operation and simple and easy updating.
Therefore, the software is an APP running on the android system of the central processing unit 11, the installation is convenient and flexible, simple and concise, and functions which cannot be realized by the original historical system are realized; the wireless network control mode is complete, the wiring is simple, the data centralized collection can be completed only by two power lines, and 2 line serial ports are additionally configured to provide a functional interface of a transmission master station; a network interface and a standard Modbus communication protocol are provided, seamless connection can be realized with control systems of different areas, no real electrical connection relation exists, and the applicability is very strong; and detection data in a network mode is provided, and in the control process, the temperature waveform data collected by each Internet of things module and each Internet of things information can be directly read through the network.
It should be noted that the above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all the insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a wireless measurement and control centralized display device which characterized in that includes:
the display control device comprises a power supply unit, a touch screen display unit, a display control unit, a wireless receiving unit, an interface communication circuit, an alarm unit, a data storage unit connected with the display control unit and a wireless acquisition unit arranged at each temperature measuring point, wherein the power supply unit is used for outputting a working power supply for the centralized display device, the display control unit is communicated with an upper computer through the interface communication circuit, the wireless acquisition unit is used for acquiring data signals of each temperature measuring point, the output of the wireless acquisition unit is connected to the wireless receiving unit and sends acquired real-time data signals to the display control unit, the display control unit sends processed data to the touch screen display unit for display, and when abnormal signals are detected, the alarm unit performs acousto-optic alarm action;
the display control unit establishes communication connection with the wireless receiving unit and the interface communication circuit through a communication protocol, receives collected data signals transmitted by the wireless collecting unit in each temperature measuring point area in the communication process, analyzes and processes the collected data and converts the data into data signals which can be received by the upper computer.
2. The wireless measurement and control centralized display device according to claim 1, characterized in that:
wireless observing and controlling concentrates display device still includes communication protocol conversion module, show the control unit with wireless receiving element interface communication circuit communication protocol conversion module connects the communication return circuit that forms different communication protocols and change, the communication return circuit with show the control unit and connect, every include at least one in the communication return circuit communication protocol conversion module, every communication protocol conversion module correspondence is connected with a communication interface.
3. The wireless measurement and control centralized display device according to claim 1, characterized in that:
the interface communication circuit comprises at least one RS-485 interface circuit, the RS-485 interface circuit is connected with the display control unit, and the RS-485 interface circuit is a photoelectric isolation RS485 communication circuit with isolation.
4. The wireless measurement and control centralized display device according to claim 1, characterized in that:
the wireless receiving unit comprises a 433M/2.4G/315M wireless receiving and sending unit and is used for establishing communication connection with the display control unit and the wireless acquisition unit in a wireless radio frequency mode.
5. The wireless measurement and control centralized display device according to any one of claims 1 to 4, characterized in that:
the wireless receiving unit comprises a CC1101 wireless communication module which is used for establishing communication connection with the display control unit and the wireless acquisition unit.
6. The wireless measurement and control centralized display device according to any one of claims 1 to 4, characterized in that:
the power supply unit comprises a three-terminal voltage-stabilizing low-power-consumption power supply chip with the model of HT5331, the VOUT pin of the three-terminal voltage-stabilizing low-power-consumption power supply chip is connected with the VCC pin of the display control unit, the VIN pin of the three-terminal voltage-stabilizing low-power-consumption power supply chip is connected with a capacitor C1, the VOUT pin of the three-terminal voltage-stabilizing low-power-consumption power supply chip is connected with a capacitor C4 and a transient suppression diode D5, the first end of the capacitor C4 is connected with the negative electrode of the transient suppression diode D5, and the second end of the capacitor C4 is grounded after being connected with the positive electrode of the transient suppression diode D5.
7. The wireless measurement and control centralized display device according to any one of claims 1 to 4, characterized in that:
the display control unit comprises a central processing unit, a hardware watchdog module, a clock module and a reset timer, wherein the hardware watchdog module, the data storage unit, the clock module and the reset timer are respectively connected with the central processing unit, the data storage unit comprises a memory module and an SD storage card, and the memory module and the SD storage card are both connected with the central processing unit.
8. The wireless measurement and control centralized display device according to any one of claims 1 to 4, characterized in that:
the touch screen display unit comprises a display screen, a liquid crystal layer and a backlight device, wherein the liquid crystal layer is positioned between the display screen and the backlight device.
9. The wireless measurement and control centralized display device according to any one of claims 1 to 4, characterized in that:
the wireless measurement and control centralized display device further comprises a state indicating module, and the state indicating module is connected with the display control unit.
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| CN202020888732.XU CN211906047U (en) | 2020-05-22 | 2020-05-22 | Wireless measurement and control centralized display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2950250A1 (en) * | 2022-03-04 | 2023-10-06 | Satel Spain S L | System for measuring and communicating energy values and procedure used (Machine-translation by Google Translate, not legally binding) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2950250A1 (en) * | 2022-03-04 | 2023-10-06 | Satel Spain S L | System for measuring and communicating energy values and procedure used (Machine-translation by Google Translate, not legally binding) |
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