CN208223556U - Transformer transporting on-Line Monitor Device based on 4G wireless communication technique - Google Patents

Transformer transporting on-Line Monitor Device based on 4G wireless communication technique Download PDF

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Publication number
CN208223556U
CN208223556U CN201820905897.6U CN201820905897U CN208223556U CN 208223556 U CN208223556 U CN 208223556U CN 201820905897 U CN201820905897 U CN 201820905897U CN 208223556 U CN208223556 U CN 208223556U
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China
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unit
wireless communication
connect
power supply
circuit
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CN201820905897.6U
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Inventor
王红亮
庞佳
王富民
张鹏
赵野
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Sifang-Tbea Intelligent Electrical Co Ltd
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Sifang-Tbea Intelligent Electrical Co Ltd
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Abstract

The utility model relates to the transformer transporting on-Line Monitor Devices based on 4G wireless communication technique, including CPU element, 4G wireless communication unit, nitrogen pressure acquisition unit, impact acceleration unit, power supply unit, GPS positioning unit, USB unit, state indication unit, touch screen display unit and printer unit.The utility model is based on 4G wireless communication technique, by data collected during transformer transporting, background server is transferred to by 4G network wireless, the impact acceleration being subject to during transformer transporting can be acquired in real time, haulage vehicle location information and velocity information are obtained by GPS positioning technology, by being acquired in real time to transformer body inside nitrogen pressure, avoid because inside transformer Insulation Problems caused by smooth base, can pass through printer field print.Support USB copy function, acquisition data can carry out copy backup by USB flash disk.

Description

Transformer transporting on-Line Monitor Device based on 4G wireless communication technique
Technical field
The utility model relates to a kind of transformer transporting on-Line Monitor Devices based on 4G wireless communication technique.By 4G without Line communication technology believes the nitrogen pressure information during transformer transporting, impact acceleration information, location information, car speed Breath, device operation information etc. upload to background server.
Background technique
Transformer is the core equipment in transformer equipment, and safe and stable operation is the guarantee of the national economic development.Transformation Device is needed to transport to scene, is run after then installing after factory.Transformer can do various types test when leaving the factory, guarantee Transformer parameters are qualified.If there is deviation in transit link, can equally bring about great losses to transformer, serious meeting Transformer is caused directly to damage.One large-scale power transformer price will be at several ten million yuan, once breaking down, cost allowance is huge Greatly.Therefore, it is significant to carry out real-time monitoring during transportation to transformer.According to national standard, transformer was being transported Cheng Zhong, what is be affected has altogether there are two parameter, one is the impact being subject to when transport.The second is inside transformer in order to prevent Dry-run protection gas (generally nitrogen) leakage made moist and be filled with.How real-time monitoring is carried out to these parameters of transformer, and Monitoring data are quickly and effectively transmitted and are come out, are problems to be solved.
For the design by the investigation to market, it is online that a transformer transporting based on 4G wireless communication technique is researched and developed in design Monitoring device.Device combination sensor technology, 4G wireless communication technique, singlechip technology and GPS positioning technology, can be very good Real-time monitoring is carried out to various parameters during transformer transporting, and by 4G Radio Transmission Technology, acquisition data are uploaded to Background server.Related personnel can also not grasp transformer transporting situation at the first time at the scene.Tradition is overcome to need a large amount of Personnel escort phenomenon.When something goes wrong, can also find at the first time, and take measures.
Utility model content
For the utility model for deficiency present in traditional transformer transportational process, design research and development are a to be based on 4G channel radio The transformer transporting on-Line Monitor Device of letter technology.It can be to nitrogen pressure information, impact acceleration during transformer transporting Information, location information, velocity information, device operation information carry out real time on-line monitoring.It supports the scene USB copy function, supports Printer field print function.The data of acquisition can be wirelessly communicated by 4G and information is fast and accurately uploaded to background service Device.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the transformer based on 4G wireless communication technique Transport on-Line Monitor Device, comprising: CPU and 4G wireless communication unit connected to it, impact acceleration unit, nitrogen pressure Acquisition unit;
The 4G wireless communication unit includes 4G chip and SIM card circuit connected to it, power circuit, antenna electric Road, and the power supply control circuit being connect with power circuit;The 4G chip is connect with CPU.
The SIM card circuit includes SIM card and protection pipe connected to it;First power end SIMVCC of SIM card, it answers Position end SIMRST, clock end SIMCLK, data terminal SIMDATA respectively with the first input end of protection pipe, the second input terminal, third Input terminal, the connection of the 4th input terminal, also connect with each end IO of 4G chip respectively;The output end of protection pipe is grounded;The SIM card The first power end SIMVCC, second source end SIMVCC connected through capacitor C35 and the ground terminal of SIM card, the ground terminal of SIM card Ground connection.
The power circuit uses power supply chip;The output of input terminal VIN and power supply the control circuit of the power supply chip End connection, is also grounded by capacitor C16;The frequency of the power supply chip selects end FSEL, synchronous input end SYNC, ground terminal PGND ground connection, enable end EN are connect with the output end of power supply control circuit, are also connected through resistance R20 and power supply output indication end PG Connect, switch terminals SW is connect through inductance L2 with the power output end of 4G chip, feedback end FB respectively through resistance R23 and resistance R25 with The power output end of 4G chip, connect;Capacitor C22 is connected between the power output end and ground of the 4G chip.
The power supply control circuit includes MOSFET and triode Q9;The MOSFET source connects to power supply, grid with The collector of triode Q9 connects, and drains and connect as the output end of power supply control circuit with power circuit, also passes through diode D11 ground connection;Triode Q9 emitter ground connection, collector are connected to power supply by resistance R27, base stage by resistance R22 and The end IO of CPU connects.
The 4G wireless communication unit further includes network indicating circuit, and the network indicating circuit is connect with 4G chip.
Transformer transporting on-Line Monitor Device based on 4G wireless communication technique, further includes GPS positioning unit, the GPS Positioning unit is connect with CPU.It further include touch screen unit, the touch screen unit is connect with CPU.It further include USB unit, it is described USB unit is connect with CPU.It further include printer unit, the printer unit is connect with CPU.It further include status display unit, The status display unit is connect with CPU.
The utility model has the advantages that and advantage:
The utility model is based on 4G wireless communication technique and data collected during transformer transporting is passed through 4G net Network is wirelessly transmitted to background server.It supports acceleration to acquire function, can be rushed in real time to what is be subject to during transformer transporting Acceleration is hit to be acquired.It supports positioning function, haulage vehicle location information and velocity information is carried out by GPS positioning technology It obtains.It supports nitrogen pressure monitoring function, by being acquired in real time to transformer body inside nitrogen pressure, avoids because of nitrogen Inside transformer Insulation Problems caused by gas is revealed.Touch screen is supported to show, acquisition data can be shown by touch screen, Operator can also carry out parameter setting to device by touch screen.Support printing function, the data of acquisition can be by beating Print machine field print.Support USB copy function, acquisition data can carry out copy backup by USB flash disk.
Detailed description of the invention
Fig. 1 is utility model structural schematic diagram;
Wherein, 1, power supply unit, 2,4G wireless communication unit, 3, impact acceleration unit, 4, CPU element, 5, USB it is mono- Member, 6, GPS positioning unit, 7, nitrogen pressure monitoring unit, 8, touch screen unit, 9, printer unit, 10, status display list Member;
Fig. 2 is 4G wireless communication block diagram;
Fig. 3 is 4G wireless communication power circuit diagram;
Fig. 4 is 4G wireless communication SIM card circuit diagram;
Fig. 5 is 4G wireless communication power supply control circuit diagram
Specific embodiment
The utility model is described in further detail below with reference to embodiment.
Singlechip technology, 4G wireless communication technique, location technology, intelligent sensor technology are applied to become by the utility model Depressor transport field.Nitrogen pressure information and impact acceleration information are collected by sensor.It is obtained and is become by location technology The location information and vehicle speed information of depressor actual shipment.The utility model also supports scene USB copy function, and user passes through USB flash disk can copy the data acquired in transportational process.Additionally back printer function and touch screen display function. By 4G wireless communication technique, the data of acquisition are uploaded into background server.Corresponding personnel do not need to scene, pass through backstage The page is it is known that transformer field traffic condition.
Transformer transporting on-Line Monitor Device based on 4G wireless communication technique, including CPU element 4 and connected to it Power supply unit 1,4G wireless communication unit 2, impact acceleration unit 3, USB unit 5, GPS unit 6, nitrogen pressure acquisition unit 7, touch screen unit 8, device display unit 9 and printer unit 10;
Power supply unit, it is main to realize voltage conversion and power supply control.CPU element passes through system control logic and low-power consumption pipe Reason completes the control to its output voltage.
4G wireless communication unit completes the number between CPU by serial communication mode using 4G wireless communication technique According to and instruction interaction, 4G wireless communication unit include: power circuit, SIM card circuit, power supply control circuit, network indicating circuit And antenna circuit.
Impact acceleration unit is realized and is transported to transformer using three axial impact acceleration chips (model ADXL345) Impact monitoring during defeated, on three directions.It is transmitted by SPI communication mode and CPU element data.
USB unit can complete the copy to monitoring data by USB flash disk.
Positioning unit, using low-power consumption GPS chip (model MAX-7Q), starting speed is fast, and positioning accuracy is high, passes through string Mouth mode carries out data transmission.
Transformer body nitrogen pressure signal is converted into voltage letter by pressure sensor by nitrogen pressure acquisition unit Number.By operational amplifier circuit, voltage signal is started to carry out data processing to CPU.
It further include touch screen unit, status display unit and printer unit.Touch screen unit uses capacitive touch screen, The display to monitoring data is completed, operator can also realize the parameter setting to device by operation touch-screen.State is aobvious Show unit, device operating status is subjected to real-time display.Printer unit is showed the data monitored using thermal printer Field printing.
The utility model is in data transmission, using 4G wireless communication technique, than traditional 2G in data transmission bauds Faster the requirement to data transmission can be better met with 3G.4G wireless communication chips select SIM7600 family chip. Industry standard interface, working frequency range is optional, compatible 2G and 3G communication.In Fig. 1, power supply unit is mainly by external battery voltage It is converted into required voltage when CPU and peripheral circuit work.4G wireless communication unit will be collected by 4G wireless communication technique Data information be sent to background server, connect between CPU by serial ports.Impact acceleration unit passes through three axial acceleration Spend chip, realize to the real-time monitoring of impact acceleration in transportational process, acceleration unit by SPI communication mode and CPU into Row data communication.USB unit is completed by USB flash disk mode to the copy for acquiring data in transportational process.GPS positioning unit passes through Serial ports is connect with CPU, realizes the real-time navigation capability to transportational process.Nitrogen pressure acquisition unit, by sensor to nitrogen Pressure signal is acquired, and CPU is sampled by AD, realizes acquisition and monitoring to nitrogen pressure.Touch screen unit passes through serial ports Mode and CPU element carry out the interaction of data and instruction, by touch screen operation can finishing device monitoring information reading And parameter setting.Status display unit is used to display operation situation.Printer unit uses thermal printer, passes through serial ports It is connect with CPU, completes the printing function to monitoring data.
Fig. 2 is 4G wireless communications unit block diagram, and 4G wireless communication unit mainly includes following components: 4G chip (4G Wireless communication chips), power circuit, SIM card circuit, power supply control circuit, network indicating circuit and antenna circuit.Wherein network Indicating circuit, wireless communication unit drive LED to realize, pass through LED light flashing state by I/O port, so that it may know wireless The current operating condition of communication unit.Antenna circuit mainly realizes the acquisition to wireless signal, realizes wireless communication unit and outer The connection of portion's antenna.
It is as shown in Figure 3 that 4G wirelessly communicates power circuit.Power circuit mainly provides power supply to 4G communication unit, adopts With ADP2371 chip, the chip voltage high conversion efficiency, 90% or more.4G wireless communication power circuit input voltage is connected to First pin of power supply chip, input power connect the one end capacitor C16, C16 other end ground connection simultaneously.Power supply chip crus secunda and 4 feet connect together, and are then connected to ground terminal.Third pin is connected to the 6th pin by resistance R20.The voltage of output passes through Resistance R23 and electronics R25 is determined.Power supply output pin is the 7th pin, is connected to the one end inductance L2, and inductance L2 is another to be terminated to The one end resistance R23, R23 are connected with R25, and R25 is another to be terminated on the ground, and R23 and the public power supply chip the 7th that terminates to of R25 are fed back On pin.The inductance L2 other end is connected to the one end capacitor C22, C22 other end ground connection.
SIM card circuit in 4G wireless communication module is as shown in figure 4, mainly include SIM card and protection pipe (model MMQA5V6T1).Mainly there are four signals for SIM card and 4G chip data and instruction interaction, SIMVCC respectively on figure, SIMRST,SIMCLK,SIMDATA.Wherein 1 pin of mono- end Jie protection pipe U11 of SIMVCC, while connecing the one of capacitor C35 End, C35 other end ground connection.2 foot of the U11 other end and 5 feet are grounded simultaneously.SIMRST is connected to the 3rd foot of U11, and SIMCLK is connected to U11 4th foot, SIMDATA are connected to the 6th foot of U11.
4G wireless communication unit power supply manages circuit as shown in figure 5, power supply control circuit is mainly to 4G communication unit electricity The intelligent management in source, 4G communication power consumption in communication process is larger, manages circuit by power supply, when not needing communication, CPU control It makes it and rupturing operation is carried out to 4G modular power source, play electricity-saving function.The design has adopted MOSFET as power supply and has managed device.Figure In the signal power_control that cuts off the power the ground level of triode Q9 is connected to by resistance R22, Q9 is NPN triode, emitting stage Ground connection.Collector output is connected to the 4th pin source level of MOSFET by resistance R27, while being also coupled to the third pin grid of MOSFET Pole.The 1st pin, the 2nd pin, the 5th pin, the 6th pin of MOSFET links together, and is the drain of MOSFET, is then connected to The negative terminal of diode D11, diode D11 positive ending grounding.

Claims (10)

1. the transformer transporting on-Line Monitor Device based on 4G wireless communication technique, characterized by comprising: CPU and connect with it 4G wireless communication unit, impact acceleration unit, the nitrogen pressure acquisition unit connect;
The 4G wireless communication unit includes 4G chip and SIM card circuit connected to it, power circuit, antenna circuit, with And the power supply control circuit being connect with power circuit;The 4G chip is connect with CPU.
2. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist In the SIM card circuit include SIM card and protection pipe connected to it;The first power end SIMVCC, the reset terminal of SIM card SIMRST, clock end SIMCLK, data terminal SIMDATA are inputted with the first input end of protection pipe, the second input terminal, third respectively End, the connection of the 4th input terminal, also connect with each end IO of 4G chip respectively;The output end of protection pipe is grounded;The of the SIM card One power end SIMVCC, second source end SIMVCC are connected through capacitor C35 and the ground terminal of SIM card, the ground connection termination of SIM card Ground.
3. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist Power supply chip is used in the power circuit;The input terminal VIN of the power supply chip is connect with the output end of power supply control circuit, Also it is grounded by capacitor C16;The frequency selection end FSEL of the power supply chip, synchronous input end SYNC, ground terminal PGND ground connection, Enable end EN is connect with the output end of power supply control circuit, is also connect through resistance R20 with power supply output indication end PG, switch terminals SW It is connect through inductance L2 with the power output end of 4G chip, the feedback end FB power supply through resistance R23 and resistance R25 and 4G chip respectively Output end, connect;Capacitor C22 is connected between the power output end and ground of the 4G chip.
4. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist Managing circuit in the power supply includes MOSFET and triode Q9;The MOSFET source connects to power supply, grid and triode The collector of Q9 connects, and drains and connect as the output end of power supply control circuit with power circuit, is also connect by diode D11 Ground;The triode Q9 emitter ground connection, collector are connected to power supply by resistance R27, and base stage passes through resistance R22 and CPU The connection of the end IO.
5. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist It further include network indicating circuit in the 4G wireless communication unit, the network indicating circuit is connect with 4G chip.
6. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist In further including GPS positioning unit, the GPS positioning unit is connect with CPU.
7. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist In further including touch screen unit, the touch screen unit is connect with CPU.
8. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist In further including USB unit, the USB unit is connect with CPU.
9. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist In further including printer unit, the printer unit is connect with CPU.
10. the transformer transporting on-Line Monitor Device according to claim 1 based on 4G wireless communication technique, feature exist In further including status display unit, the status display unit is connect with CPU.
CN201820905897.6U 2018-06-12 2018-06-12 Transformer transporting on-Line Monitor Device based on 4G wireless communication technique Active CN208223556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820905897.6U CN208223556U (en) 2018-06-12 2018-06-12 Transformer transporting on-Line Monitor Device based on 4G wireless communication technique

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Application Number Priority Date Filing Date Title
CN201820905897.6U CN208223556U (en) 2018-06-12 2018-06-12 Transformer transporting on-Line Monitor Device based on 4G wireless communication technique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110987065A (en) * 2019-11-21 2020-04-10 深圳供电局有限公司 Method and system for detecting analog quantity of transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110987065A (en) * 2019-11-21 2020-04-10 深圳供电局有限公司 Method and system for detecting analog quantity of transformer

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