CN217878075U - Embedded wireless temperature measurement data acquisition system for power equipment of plant station - Google Patents
Embedded wireless temperature measurement data acquisition system for power equipment of plant station Download PDFInfo
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- CN217878075U CN217878075U CN202220812182.2U CN202220812182U CN217878075U CN 217878075 U CN217878075 U CN 217878075U CN 202220812182 U CN202220812182 U CN 202220812182U CN 217878075 U CN217878075 U CN 217878075U
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Abstract
An embedded wireless temperature measurement data acquisition system for power equipment of a plant station is characterized in that a corresponding temperature sensor is embedded into a wireless sensor network, and an MSP430 series single chip microcomputer is used as a core controller of a data acquisition unit, wherein the model is MSP430F5438. When the system works, the wireless temperature sensor collects the temperature of a monitoring point at any time, the temperature is converted into a digital signal, the collected temperature data is transmitted to the single chip microcomputer through the ZigBee temperature collection module, and meanwhile, the single chip microcomputer transmits the data to the upper computer of the monitoring center through the CAN bus module to display and provide the data for workers to analyze. Meanwhile, according to the information which can be obtained quickly by the display screen output module, various operating parameters of the plant station can be obtained at any time, the production precision is improved, and the working condition of the plant station is monitored.
Description
Technical Field
The utility model belongs to the technical field of relay protection, concretely relates to embedded wireless temperature measurement data acquisition system towards station power equipment.
Background
Electric power makes a great contribution to the human society, and from daily life to the use of public society of public facilities, the current society can not leave electric power, and people are not using electricity all the time in life. Meanwhile, electricity is a dangerous thing, various faults of electrical equipment can occur or the electrical equipment enters an abnormal working state due to the defects of the equipment (at a switch and a cable joint) and misoperation, so that the fault of a power system causes many harmful events, especially the power system of a station can seriously explode violently, and the disastrous loss is caused. Therefore, electrical safety has become a non-negligible issue. In order to prevent these accidents, we have to monitor important links of the power system in real time, and the electric automation comes along with the birth. With the development and popularization of electrical automation, almost all plant power systems adopt automatic monitoring systems at present.
A system with wide application range at present is a wireless temperature measurement online monitoring system, which comprises four parts, namely a wireless sensor, a data acquisition unit, a server and online monitoring software, and realizes real-time monitoring on important equipment and circuits of an electric power system. This set of systems is often used to monitor important equipment and lines in a power system in real time. In this system, it is also the key of the technology to realize real-time acquisition of the data of the monitored object.
The nodes of the wireless sensor network have the characteristics of small volume and light weight, so that the application range of the wireless sensor network is wide, and the wireless sensor network is the latest and most popular application in the field of wireless technology. In military, due to the characteristics of low power consumption, small volume, high concealment and the like, the device can be effectively suitable for activities such as military reconnaissance and the like in severe environment; in the aspect of environmental monitoring, the WSN is widely used for monitoring meteorology, flood, fire, soil and the like; in industry, the integration of wireless sensor network technology and electronic tag technology is widely applied to vehicle tracking, building state monitoring, or some high-risk working environments such as coal mines and nuclear power stations; in the fields of smart home, space exploration and the like, the wireless sensor network also plays an important role.
Therefore, it is very important to develop wireless data acquisition equipment according to the characteristics of the plant station coal mine operation area and the characteristics of the wireless sensor network, and the functions of remote data acquisition, communication transmission, remote monitoring, dispatching command, unattended operation and the like of the plant station operation area can be realized. The unmanned transformer substation and the mine are remote, the battery is generally used for supplying power, the sensor in the wireless sensor network can be switched between a sleep mode and a work mode, when a node is not needed to work, the node enters the sleep mode, and when the node is needed, the node is awakened, so that the power consumption of each node of the wireless sensor network can be reduced, and the network life cycle is prolonged. When the phenomena such as three-phase short circuit and the like are found in a transformer substation and a mine, the temperature of the transmission line can rise rapidly, a corresponding temperature sensor is embedded into a wireless sensor network, the acquired temperature data is transmitted to a data acquisition unit through a ZigBee wireless transmission technology, the data acquisition unit transmits the data to an upper computer of a monitoring center through a can network for displaying, the data acquisition unit is provided for workers to analyze, and the purpose of monitoring the line safety of a station and the mine in real time can be achieved. Compared with the traditional mode, the wireless sensor network monitoring system can save a large amount of manpower and material resources, can acquire various operation parameters of the plant at any time, and can realize real-time monitoring on the working condition of the plant.
Since the 90 s, state detection technology and the search for new state monitoring technology have become the primary tasks for station power system security protection. Since the state monitoring technology can prevent equipment from being shut down and damaged accidentally, and even avoid serious safety accidents, researches on the aspect are in progress. The current research focus is on the reliability, sensitivity, and intelligence of monitoring systems. The detection system integrates modern scientific technologies such as computer technology, signal processing technology, sensor technology, artificial intelligence technology and the like, and protects the power of the plant station with low cost and high reliability.
With the development of society, relay protection has been paid extensive attention, which inevitably promotes the further development and application of state monitoring technology. The future development trend of relay protection is intellectualization, networking, computerization, protection control, communication and measurement integration. With the continuous development of computer technology, microcomputer protection hardware is also continuously improved, from 8-bit single CPU to 16-bit and 32-bit multi-CPU structures. The system should have powerful data processing and communication functions, a large-capacity space for storing alarm information, capability of scheduling networking and sharing data, and high-level programming capability. At present, more and more plant power system equipment such as measurement and control devices and protection devices realize the computer networking function, so that the convenience and the reliability of protection are greatly improved. It is necessary to link the protection units with the computer network so that they can realize network communication and data sharing.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an embedded wireless temperature measurement data acquisition system towards station power equipment, including singlechip, sensor module, keyboard input module, display screen output module, power module, zigBee temperature acquisition module, ADC module, CAN bus module, host computer, clock module and storage module, wherein:
the sensor module is connected with the ADC module, and the ADC module is connected with the ZigBee temperature acquisition module;
the single chip microcomputer is respectively connected with the keyboard input module, the display screen output module, the power supply module, the ZigBee temperature acquisition module, the ADC module, the CAN bus module, the upper computer, the clock module and the storage module;
the sensor module comprises more than one temperature sensor unit;
CAN bus module includes CAN bus controller and communication module, CAN bus controller includes first SPI interface, CAN bus module is connected with the singlechip through first SPI interface.
Further, the single chip microcomputer comprises a second SPI interface, and the single chip microcomputer is connected with the ZigBee temperature acquisition module through the second SPI interface.
In a preferred embodiment of the present invention, the model of the single chip microcomputer is MSP430F5438.
In a preferred embodiment of the present invention, the ADC module includes more than one signal processing ADC12 unit.
In a preferred embodiment of the present invention, the ZigBee temperature collection module includes more than one CC2530 transceiver module.
In a preferred embodiment of the present invention, the CAN bus controller is MSP2510.
In a preferred embodiment of the present invention, the model of the communication module is RS485.
In a preferred embodiment of the present invention, the display screen output module is a 128x64 dot matrix LCD display screen
In a preferred embodiment of the present invention, the model of the clock module is DS3231.
In a preferred embodiment of the present invention, the storage module is AT25C010EEPROM.
The utility model discloses following beneficial effect has:
1. and remote control is realized. The utility model discloses a data acquisition system can be applied to remote data acquisition, communication transmission, the remote monitoring in station operation area, dispatch commander and application scenes such as unmanned on duty operation.
2. The system has low power consumption. Unmanned transformer substation, mine department are remote, generally use the battery power supply, the utility model discloses a data acquisition system has lower consumption, extension system work life cycle.
3. The intelligent temperature monitoring system is convenient and reliable, corresponding temperature sensors are embedded into a wireless sensor network, collected temperature data are transmitted to the single chip microcomputer through a ZigBee wireless transmission technology, the single chip microcomputer is transmitted to an upper computer of a monitoring center through a can network to be displayed and provided for workers to analyze, and the purpose of monitoring the line safety of stations and mines in real time can be achieved. Meanwhile, the local display module and the keyboard input module can quickly acquire real-time information. Compared with the traditional mode, the wireless sensor network monitoring system can save a large amount of manpower and material resources, can acquire various operation parameters of the plant at any time, and can realize real-time monitoring on the working condition of the plant.
In view of the characteristics, the system can overcome the severe environment where the plant power system is located, can timely obtain relevant information on the spot aiming at equipment faults and abnormal working states, and can upload data to a network safely, thereby providing a safer and more reliable monitoring mode for the safety monitoring of the plant power system.
Drawings
Fig. 1 is a block diagram of the system structure of the present invention.
The numbering in the figures illustrates:
1. a single chip microcomputer; 2. a sensor module; 3. a display screen output module; 4. a power supply module; 5. a ZigBee temperature acquisition module; 6. an ADC module; 7. a CAN bus module; 8. an upper computer; 9. a clock module; 10. and a storage module.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Please refer to fig. 1, the utility model provides an embedded wireless temperature measurement data acquisition system towards station power equipment, including singlechip 1, singlechip 1 selects the singlechip of the U.S. texas instrument company MSP430 series as data acquisition unit's core controller, and the model is MSP430F5438, has the characteristics of ultra-low power consumption.
The system further comprises a sensor module 2, a keyboard input module, a display screen output module 3, a power supply module 4, a ZigBee temperature acquisition module 5, an ADC module 6, a CAN bus module 7, an upper computer 8, a clock module 9 and a storage module 10, wherein the sensor module 2 comprises more than one temperature sensor unit.
The keyboard input module is a 2 × 2 matrix keyboard, and the ADC module 6 includes more than one signal processing ADC12 unit, which is used to convert analog electric quantity into digital electric quantity for analog-to-digital conversion. The ZigBee temperature acquisition module 5 comprises more than one CC2530 transceiver module, the CAN bus controller model is MSP2510, manufactured by MT corporation, with SPI interface, herein referred to as the first SPI interface. In addition, the model of the communication module is RS485, the RS485 communication module is responsible for data interaction with the upper computer and sends temperature information, battery voltage information, alarm information, frequency signals, analog signals and arc signals from the single chip microcomputer, and the master station resets command information and sends the command information to the upper computer at regular time according to a 103 protocol.
The display screen output module 3 adopts a 128x64 dot matrix LCD display screen.
The sensor module 2 is connected with an ADC module 6, the ADC module 6 is connected with a ZigBee temperature acquisition module 5, and the singlechip 1 is respectively connected with a keyboard input module, a display screen output module 3, a power supply module 4, the ZigBee temperature acquisition module 5, the ADC module 6, a CAN bus module 7, an upper computer 8, a clock module 9 and a storage module 10;
CAN bus module 7 includes CAN bus controller and communication module, CAN bus module 7 is connected with singlechip 1 through first SPI interface.
The clock module 9 of the present embodiment employs a low-cost, high-precision I2C real-time clock DS3231, which holds the year, month, day, hour, minute, second, and week. The clock can automatically correct the date of the special cases such as big and small leap years, and the data and the address of the clock are transmitted through the I2C bidirectional bus. The real-time clock has the important characteristic that the real-time clock can still accurately time after the power supply is cut off until the real-time clock recovers the power supply, and the reset function on the chip restarts the system microprocessor.
In this embodiment, an AT25C010EEPROM manufactured by ATMEL corporation is used, the capacity is 128 bytes, and 8-pin package is adopted. It is noted that the EEPROM is a kind of electrically erasable programmable read only memory, and unlike flash, the EEPROM is erased by bytes. The method has the advantages of no data loss after power failure and plug and play.
The utility model discloses an acquisition system imbeds corresponding temperature sensor in wireless sensor network to regard as data acquisition's core controller with central controller MSP430 series of singlechip, the model is MSP430F5438. When the system works, the wireless temperature sensor acquires the temperature of a monitoring point at any time, the temperature is converted into a digital signal, the acquired temperature data is transmitted to the single chip microcomputer through the ZigBee temperature acquisition module, and meanwhile, the single chip microcomputer transmits the temperature data to the upper computer of the monitoring center through the CAN bus module for displaying, so that the data are provided for workers to analyze, and the purpose of monitoring the line safety of a station and a mine in real time CAN be achieved. Meanwhile, the local display module and the keyboard input module can quickly acquire real-time information. Compared with the traditional mode, the wireless sensor network monitoring system can realize functions of remote data acquisition, remote control, unattended operation and the like, saves a large amount of manpower and material resources, obtains various operation parameters of a plant at any time, improves production precision and realizes real-time monitoring of the working condition of the plant.
In view of the characteristics, the system can overcome the severe environment where the plant station power system is located, can timely obtain relevant information on site aiming at equipment faults and abnormal working states, and can upload data to a network safely, thereby providing a safer and more reliable monitoring mode for the safety monitoring of the plant station power system.
And transmitting the data to a data acquisition unit through a wireless transmitting module. The data collector realizes the on-site display of the temperature by utilizing the microprocessing technology and simultaneously transmits the temperature to the communication server by utilizing the CAN network, thereby further expanding the communication function of the temperature collector and enabling the temperature collector to be seamlessly connected into various systems.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides an embedded wireless temperature measurement data acquisition system towards station power equipment which characterized in that: including singlechip (1), sensor module (2), keyboard input module, display screen output module (3), power module (4), zigBee temperature acquisition module (5), ADC module (6), CAN bus module (7), host computer (8), clock module (9) and storage module (10), wherein:
the sensor module (2) is connected with an ADC module (6), and the ADC module (6) is connected with a ZigBee temperature acquisition module (5);
the single chip microcomputer (1) is respectively connected with a keyboard input module, a display screen output module (3), a power supply module (4), a ZigBee temperature acquisition module (5), an ADC module (6), a CAN bus module (7), an upper computer (8), a clock module (9) and a storage module (10);
the sensor module (2) comprises more than one temperature sensor unit;
CAN bus module (7) include CAN bus controller and communication module, CAN bus controller includes first SPI interface, CAN bus module (7) are connected with singlechip (1) through first SPI interface.
2. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 1, characterized in that: the single chip microcomputer (1) comprises a second SPI interface, and the single chip microcomputer (1) is connected with the ZigBee temperature acquisition module (5) through the second SPI interface.
3. The embedded wireless temperature measurement data acquisition system for the plant power equipment according to claim 2, characterized in that: the type of the single chip microcomputer (1) is MSP430F5438.
4. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 3, characterized in that: the ADC module (6) comprises more than one signal processing ADC12 unit.
5. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 4, characterized in that: the ZigBee temperature acquisition module (5) comprises more than one CC2530 transceiver module.
6. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 5, characterized in that: the model of the CAN bus controller is MSP2510.
7. The embedded wireless temperature measurement data acquisition system for the plant power equipment as claimed in claim 6, wherein: the model of the communication module is RS485.
8. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 7, characterized in that: the display screen output module (3) is a 128x64 dot matrix LCD display screen.
9. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 8, characterized in that: the type of the clock module (9) is DS3231.
10. The embedded wireless temperature measurement data acquisition system for the plant station power equipment according to claim 9, characterized in that: the type of the storage module (10) is AT25C010.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812182.2U CN217878075U (en) | 2022-04-07 | 2022-04-07 | Embedded wireless temperature measurement data acquisition system for power equipment of plant station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220812182.2U CN217878075U (en) | 2022-04-07 | 2022-04-07 | Embedded wireless temperature measurement data acquisition system for power equipment of plant station |
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| CN217878075U true CN217878075U (en) | 2022-11-22 |
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| CN202220812182.2U Active CN217878075U (en) | 2022-04-07 | 2022-04-07 | Embedded wireless temperature measurement data acquisition system for power equipment of plant station |
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- 2022-04-07 CN CN202220812182.2U patent/CN217878075U/en active Active
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Effective date of registration: 20230620 Address after: 515, No. 33, Qiuyun Road, Qiaolin Street, Pukou District, Nanjing, Jiangsu 210000 Patentee after: Jiangsu Maidibao Internet Technology Co.,Ltd. Address before: 219 ningliu Road, Nanjing, Jiangsu 210000 Patentee before: Nanjing University of Information Science and Technology Patentee before: Ningbo LIANTENG Smart Energy Technology Co.,Ltd. |
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