CN203908598U - Health index assessment apparatus of outdoor electric automobile charging pile - Google Patents
Health index assessment apparatus of outdoor electric automobile charging pile Download PDFInfo
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- CN203908598U CN203908598U CN201420348895.3U CN201420348895U CN203908598U CN 203908598 U CN203908598 U CN 203908598U CN 201420348895 U CN201420348895 U CN 201420348895U CN 203908598 U CN203908598 U CN 203908598U
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Abstract
A health index assessment apparatus of an outdoor electric automobile charging pile belongs to the technical field of power distribution network, particularly the utility model relates to a health index assessment apparatus of the outdoor electric automobile charging pile. The utility model provides a health index assessment apparatus of the outdoor electric automobile charging pile, which is simple in extraction and high in accuracy. The health index assessment apparatus of the outdoor electric automobile charging pile comprises a signal acquisition unit, an A/D transition unit, a digital signal processing unit, a central processing unit, a 4G communication transmission unit and a man-machine interaction information display unit. The health index assessment apparatus is characterized in that, an output port of the signal acquisition unit is connected with an input port of the A/D transition unit. An output terminal of the A/D transition unit is connected with a data input port of the digital signal processing unit. A data output port of the digital signal processing unit is connected with a data input port of the central processing unit.
Description
Technical field
The utility model belongs to power distribution network technical field, particularly a kind of outdoor electric automobile charging pile health index apparatus for evaluating.
Background technology
Outdoor electric automobile charging pile is electric power car charging station, profile is just as parking timing stopwatch, a charging pile can be two automobiles charging simultaneously, never electricity to the duration of charging being full of be 6 to 8 hours, charging pile is for a long time out of doors with larger load current work, standing bad weather condition corrodes, once break down, can cause electric automobile user to charge, even damage the consumers such as electric automobile, charging capacity is larger, impact and loss that its fault and having a power failure causes user and electrical network are just larger, therefore, outdoor electric automobile charging pile state is carried out to Real-Time Monitoring, and its health index is made to online evaluation, find user accident potential according to the health index inspection of prediction, can effectively avoid fault and power failure, can significantly improve charging pile security, reliability and economy.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of and extracts simply, the kind outdoor electric automobile charging pile health index apparatus for evaluating that degree of accuracy is high.
For achieving the above object, the utility model adopts following technical scheme, the utility model outdoor electric automobile charging pile health index apparatus for evaluating comprises signal gathering unit, A/D converting unit, digital signal processing unit, CPU (central processing unit), 4G communications unit and human-machine interactive information display unit, the output port of its structural feature signal gathering unit is connected with the input port of A/D converting unit, the output port of A/D converting unit is connected with the data-in port of digital signal processing unit, the data-out port of digital signal processing unit is connected with the data-in port of CPU (central processing unit), the data-out port of CPU (central processing unit) respectively with human-machine interactive information display unit input port, the input port of 4G communications module is connected.
Described signal gathering unit comprises timer working time, current sensor, temperature sensor, rainfall amount sensor, air velocity transducer, noise transducer, and working time, timer output port, current sensor output port, temperature sensor output port, rainfall amount sensor output port, air velocity transducer output port, noise transducer output port were connected with the input port of A/D converting unit respectively.
As another kind of preferred version, time timer described in the utility model adopts DS12C887 model clock chip, current transformer to adopt DHC03B model, rainfall amount sensor to adopt BL-YW900 model radar level gauge, air velocity transducer to adopt YJ-FS100 model, temperature sensor to adopt HE-200 model infrared temperature sensor, noise transducer to adopt CRY2110 model.
As another kind of preferred version, A/D converting unit described in the utility model adopts TLC2543 serial a/d converter, digital signal processing unit DSP adopts TMS320F2812 chip, 4G communications unit adopts the LTE module of ME3760 model, and human-machine interactive information display unit adopts the LCD MODULE of HG1286402C model; It is the single-chip microcomputer of STC89C51 that CPU (central processing unit) is selected model.
Time timer, current sensor, temperature sensor, rainfall amount sensor, air velocity transducer, the output terminal of noise transducer is connected to respectively the input end AIN0-AIN5 of A/D converter TLC2543 after signaling conversion circuit, the output terminal EOC of A/D converter TLC2543, I/O, IN, OUT, CS is connected respectively to the XA1-XA5 pin of dsp chip TMS320F2812, the XD0-XD7 pin of TMS320F2812 is connected with the P0.0-P0.7 of single-chip microcomputer STC89C51 chip respectively, the P1.0-P1.7 of single-chip microcomputer STC89C51 chip is connected with the D0-D7 of LCD MODULE, the P2.0-P1.4 of single-chip microcomputer STC89C51 chip and the RS of LCD MODULE, RW, CS1, CS2, EN is connected, the RXD of STC89C51 chip, the DATA of TXD pin and 4G communication module ME3760, DATA1 end is connected, the ATN1 end of 4G communication module is connected with antenna by 1.0pF electric capacity.
In addition, signaling conversion circuit described in the utility model adopts TLC4501 chip.(signalization change-over circuit, frequency span, switching rate and the voltage gain of guarantee signals collecting reduce input offset voltage and electric current and temperature drift simultaneously).
Working time, electric current, temperature, rainfall amount, wind speed, noise information are through each sensor, carry out synchronized sampling, maintenance, A/D conversion, become after digital signal, send into dsp chip and carry out data processing, information data after treatment is delivered to the data input port of single-chip microcomputer by the parallel data output interface of DSP, after working time, electric current, temperature, rainfall amount, wind speed, noise information data being calculated by single-chip microcomputer again, result of calculation shows by LCD MODULE and data is delivered to 4G transport module, for ready with remote dispatching communication.
The utility model beneficial effect.
The utility model utilization is directly measured the working time, electric current, temperature, rainfall amount, wind speed, noise of outdoor electric automobile charging pile health index apparatus for evaluating as input quantity, and finally utilizes A/D converting unit, DSP digital signal processing unit, CPU CPU (central processing unit), human-machine interactive information display unit and 4G transport module to realize the monitoring of outdoor electric automobile charging pile health index apparatus for evaluating.The error that this method causes while avoiding classic method to set up model and Selecting All Parameters, and it is simple to have input quantity extraction, degree of accuracy is high, and accuracy is good, the feature that forecasting efficiency is high.
Outdoor electric automobile charging pile health index apparatus for evaluating is made prediction, can prevent electrical network major accident, improve power quality, improve electricity consumption reliability, forecasting process requirement of real time simultaneously, improve the efficiency of data acquisition and processing, improve speed and the precision of outdoor electric automobile charging pile health index apparatus for evaluating prediction, realized with degree of precision with compared with the advantage of short response time power distribution network outdoor electric automobile charging pile health index apparatus for evaluating is predicted.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection domain is not only confined to the statement of following content.
Fig. 1 is the utility model schematic block circuit diagram.
Fig. 2 is the utility model circuit theory diagrams.
Embodiment
As shown in the figure, outdoor electric automobile charging pile health index apparatus for evaluating comprises signal gathering unit, A/D converting unit, digital signal processing unit, CPU (central processing unit), 4G communications unit and human-machine interactive information display unit.
Described A/D converting unit is for converting the simulating signal of signal gathering unit collection to digital signal.
Collection capacity after described digital signal processing unit is changed A/D carries out data processing.
Described CPU (central processing unit) is carried out the data of digital signal processing unit.
Described human-machine interactive information display unit is for showing on the spot outdoor electric automobile charging pile health index apparatus for evaluating result of calculation.
Described 4G communications module is for transferring to remote dispatching terminal by outdoor electric automobile charging pile health index apparatus for evaluating result of calculation.
The working time of described signal acquisition module collection, electric current, temperature, rainfall amount, wind speed, 6 signals of noise export the input end of A/D converting unit to, the output terminal of described A/D converting unit is connected with the input end of digital signal processing unit, the output terminal of described DSP digital signal processing unit is connected with the input end of CPU CPU (central processing unit), the defeated connection of input of the serial ports of described CPU CPU (central processing unit) and human-machine interactive information display unit and 4G communications module.
Signal acquisition module comprises timer working time, current sensor, temperature sensor, rainfall amount sensor, air velocity transducer, noise transducer, time timer adopts DS12C887 model clock chip, current transformer adopts DHC03B model, rainfall amount sensor adopts BL-YW900 model radar level gauge, air velocity transducer adopts YJ-FS100 model, temperature sensor adopts HE-200 model infrared temperature sensor, noise transducer adopts CRY2110 model, A/D converter is selected TLC2543 serial a/d converter, this device use switching capacity successively approximation technique completes A/D transfer process, DSP digital signal processing unit is selected TMS320F2812 chip, it is the single-chip microcomputer of STC89C51 that CPU CPU (central processing unit) is selected model, 4G communications unit is the LTE module of ME3760 model, human-machine interactive information display module is the LCD MODULE of HG1286402C model.
Time timer, current sensor, temperature sensor, rainfall amount sensor, air velocity transducer, the output terminal of noise transducer is connected to respectively the input end AIN0-AIN5 of A/D converter TLC2543 after signaling conversion circuit, as shown in Figure 2, the output terminal EOC of A/D converter TLC2543, I/O, IN, OUT, CS is connected respectively to the XA1-XA5 pin of dsp chip TMS320F2812, the XD0-XD7 pin of TMS320F2812 is connected with the P0.0-P0.7 of 51 single-chip microcomputer STC89C51 chips respectively, the P1.0-P1.7 of single-chip microcomputer STC89C51 chip is connected with the D0-D7 of LCD MODULE, the P2.0-P1.4 of single-chip microcomputer STC89C51 chip and the RS of LCD MODULE, RW, CS1, CS2, EN is connected, the RXD of STC89C51 chip, the DATA of TXD pin and 4G communication module ME3760, DATA1 end is connected, the ATN1 end of 4G communication module is sent to remote dispatching by antenna by data.
Working time, electric current, temperature, rainfall amount, wind speed, noise information are through each sensor, carry out synchronized sampling, maintenance, A/D conversion, become after digital signal, send into dsp chip and carry out data processing, information data after treatment is delivered to the data input port of 51 single-chip microcomputers by the parallel data output interface of DSP, after working time, electric current, temperature, rainfall amount, wind speed, noise information data being calculated by single-chip microcomputer again, result of calculation shows by LCD MODULE and data is delivered to 4G transport module, for ready with remote dispatching communication.
Be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as meet, all within protection domain of the present utility model.
Claims (4)
1.
a kind of outdoor electric automobile charging pile health index apparatus for evaluating, comprise signal gathering unit, A/D converting unit, digital signal processing unit, CPU (central processing unit), 4G communications unit and human-machine interactive information display unit, the output port that it is characterized in that signal gathering unit is connected with the input port of A/D converting unit, the output port of A/D converting unit is connected with the data-in port of digital signal processing unit, the data-out port of digital signal processing unit is connected with the data-in port of CPU (central processing unit), the data-out port of CPU (central processing unit) respectively with human-machine interactive information display unit input port, the input port of 4G communications module is connected,
described signal gathering unit comprises timer working time, current sensor, temperature sensor, rainfall amount sensor, air velocity transducer, noise transducer, and working time, timer output port, current sensor output port, temperature sensor output port, rainfall amount sensor output port, air velocity transducer output port, noise transducer output port were connected with the input port of A/D converting unit respectively.
2.
according to claim 1, an outdoor electric automobile charging pile health index apparatus for evaluating, is characterized in that described time timer adopts DS12C887 model clock chip, current transformer to adopt DHC03B model, rainfall amount sensor to adopt BL-YW900 model radar level gauge, air velocity transducer to adopt YJ-FS100 model, temperature sensor to adopt HE-200 model infrared temperature sensor, noise transducer to adopt CRY2110 model.
3.
a kind of outdoor electric automobile charging pile health index apparatus for evaluating according to claim 2, it is characterized in that described A/D converting unit adopts TLC2543 serial a/d converter, digital signal processing unit DSP adopts TMS320F2812 chip, 4G communications unit adopts the LTE module of ME3760 model, and human-machine interactive information display unit adopts the LCD MODULE of HG1286402C model; It is the single-chip microcomputer of STC89C51 that CPU (central processing unit) is selected model;
time timer, current sensor, temperature sensor, rainfall amount sensor, air velocity transducer, the output terminal of noise transducer is connected to respectively the input end AIN0-AIN5 of A/D converter TLC2543 after signaling conversion circuit, the output terminal EOC of A/D converter TLC2543, I/O, IN, OUT, CS is connected respectively to the XA1-XA5 pin of dsp chip TMS320F2812, the XD0-XD7 pin of TMS320F2812 is connected with the P0.0-P0.7 of single-chip microcomputer STC89C51 chip respectively, the P1.0-P1.7 of single-chip microcomputer STC89C51 chip is connected with the D0-D7 of LCD MODULE, the P2.0-P1.4 of single-chip microcomputer STC89C51 chip and the RS of LCD MODULE, RW, CS1, CS2, EN is connected, the RXD of STC89C51 chip, the DATA of TXD pin and 4G communication module ME3760, DATA1 end is connected, the ATN1 end of 4G communication module is connected with antenna by 1.0pF electric capacity.
4.
according to claim 3, an outdoor electric automobile charging pile health index apparatus for evaluating, is characterized in that described signaling conversion circuit adopts TLC4501 chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420348895.3U CN203908598U (en) | 2014-06-27 | 2014-06-27 | Health index assessment apparatus of outdoor electric automobile charging pile |
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| CN201420348895.3U CN203908598U (en) | 2014-06-27 | 2014-06-27 | Health index assessment apparatus of outdoor electric automobile charging pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300442A (en) * | 2014-06-27 | 2016-02-03 | 国家电网公司 | Health index assessment apparatus and method of outdoor electric automobile charging pile |
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- 2014-06-27 CN CN201420348895.3U patent/CN203908598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300442A (en) * | 2014-06-27 | 2016-02-03 | 国家电网公司 | Health index assessment apparatus and method of outdoor electric automobile charging pile |
| CN105300442B (en) * | 2014-06-27 | 2019-05-21 | 国家电网公司 | A kind of outdoor electric automobile charging pile health index assessment device and appraisal procedure |
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