CN207164151U - Electric energy quality monitoring and warning device at a kind of electric automobile charging station - Google Patents
Electric energy quality monitoring and warning device at a kind of electric automobile charging station Download PDFInfo
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- CN207164151U CN207164151U CN201720321121.5U CN201720321121U CN207164151U CN 207164151 U CN207164151 U CN 207164151U CN 201720321121 U CN201720321121 U CN 201720321121U CN 207164151 U CN207164151 U CN 207164151U
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Abstract
The utility model discloses the electric energy quality monitoring at a kind of electric automobile charging station and warning device, it is related to electric energy quality monitoring field, aim to provide it is a kind of can independently analyze the power quality data judged at electric automobile charging station, and take the device of corresponding processing method automatically.The utility model technical essential：Including observation circuit, signal acquisition circuit, Data Analysis Services main website, instruction transmission circuit and warning device；The observation circuit with charging pile there is signal to be connected, signal acquisition circuit with observation circuit there is signal to be connected, Data Analysis Services main website with signal acquisition circuit there is signal to be connected, for by the data signal compared with given threshold, the output alarm signal when data signal is less than given threshold；Instruction transmission circuit with Data Analysis Services main website there is signal to be connected, for receiving the alarm signal and being transferred to warning device；The warning device is used to send alarm under the control of alarm signal.
Description
Technical field
It the utility model is related to electric energy quality monitoring field, the quality of power supply prison at particularly a kind of electric automobile charging station
Survey and warning device.
Background technology
Although existing electric vehicle engineering is in the small-scale trial operation stage, with the extensive hair of electric automobile
Exhibition, it is contemplated that the temporal regularity of people's work and rest, charging load will be as present trip peak, it may appear that one obvious
Evening peak.
Charging load growth is directly related with the type of electric automobile with scale, as electric automobile accesses on a large scale
DC distribution net, the voltage flashover, voltage deviation, voltage dip of DC distribution net may be caused temporarily to rise, can even be made when serious
Into system crash.So as to cause the equipment such as circuit damage, capacitor are burnt out, dc circuit breaker or relay misoperation, load burn
Hold failure.
In addition, DC distribution can also be influenceed by accessing quality of power supply pollution caused by DC distribution net on a large scale as electric automobile
Net normal operation, periphery accumulator of electric car and other loads, the quality of power supply for being filled with accumulator of electric car can be caused
It is affected, causes the service life serious curtailments of battery.And existing power quality controlling system still suffers from pair being directed to
As single, governance efficiency is low, and the automaticity administered is low, and most cases also need to manual adjustment improvement.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided one kind can independently analyze judgement
Power quality data at electric automobile charging station, and the device of corresponding processing method is taken automatically.
The technical solution adopted in the utility model is such：At observation circuit, signal acquisition circuit, data analysis
Manage main website, instruction transmission circuit and warning device.
The observation circuit with charging pile there is signal to be connected, the signal of the quality of power supply for gathering reflection charging pile；
Signal acquisition circuit with observation circuit there is signal to be connected, and the signal for observation circuit to be exported is converted to numeral
Signal；
Data Analysis Services main website with signal acquisition circuit there is signal to be connected, for by the data signal with setting threshold
Value compares, the output alarm signal when data signal is less than given threshold；
Instruction transmission circuit with Data Analysis Services main website there is signal to be connected, for receiving the alarm signal and transmitting
To warning device；
The warning device is used to send alarm under the control of alarm signal.
Further, the observation circuit is additionally operable to the signal of collection reflection charging train number.
Further, the Data Analysis Services main website also monitors terminal on-line by communication network and the quality of power supply has letter
Number connection, the data signal for the signal acquisition circuit to be exported be sent to the quality of power supply on-line monitoring terminal.
Further, quality of power supply on-line monitoring terminal is used for the instruction for receiving staff's input, and by the finger
Order is transferred to Data Analysis Services main website by communication network.
Further, the Data Analysis Services main website is additionally operable to the instruction by instructing transmission circuit to be transferred to alarm
Device.
Further, the warning device is additionally operable to send alarm according to the instruction.
Further, the Data Analysis Services main website is also connected with memory, is deposited for the data signal to be saved in
In reservoir.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1. the utility model can realize the real-time monitoring and improvement, energy to the quality of power supply of its region DC distribution net
The power quality data of autonomous analysis power distribution network, and handled automatically, reduce manual operation, improve power quality controlling
Efficiency and distribution network automated degree.
2. the utility model can also compatible operations personnel the instruction of the improvement to the quality of power supply, play automation, artificial pair
The effect insured again.
3. it is that the use of utility model can effectively reduce the bad electric energy input electric automobile of quality and a series of negative
Lotus, it is significantly more efficient to protect accumulator of electric car and other loads, extend their service life.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of one specific embodiment of the utility model.
Fig. 2 is theory diagram in one Application Example of the utility model.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
First embodiment
The present embodiment includes observation circuit, signal acquisition circuit, Data Analysis Services main website, instruction transmission circuit and report
Alarm device.
The observation circuit with charging pile there is signal to be connected, the signal of the quality of power supply for gathering reflection charging pile.
Observation circuit includes quality of power supply sensor, the electric energy measure chip model CS5463 that the present embodiment uses.In other implementations
In example, observation circuit includes voltage sensor and current sensor, can also be reflected according to the output of this two classes sensor
The signal of the quality of power supply, such as electric current is multiplied with voltage to obtain electrical power signal.
Signal acquisition circuit with observation circuit there is signal to be connected, and the signal for observation circuit to be exported is converted to numeral
Signal.Signal acquisition circuit includes A/D convertor circuit in the present embodiment.
Data Analysis Services main website with signal acquisition circuit there is signal to be connected, for by the data signal with setting threshold
Value compares, the output alarm signal when data signal is less than given threshold.
In the present embodiment, Data Analysis Services main website includes comparator and single-chip microcomputer, comparator be used for by data signal with
Given threshold compares.Single-chip microcomputer is used to control digital data transmission to give instruction transmission circuit.In other embodiments, data analysis
Handle main website directly can be realized by intelligent chips such as single-chip microcomputers, and number is realized using Digital Signal Processing mode in such embodiment
Word signal is compared with given threshold, while single-chip microcomputer is additionally operable to control the transmission of data signal, is intelligent core due to comparing instruction
The general instruction of piece, therefore single-chip microcomputer in the utility model and improved not comprising software.At the data analysis that this example uses
Managing main website includes STM32F103 single-chip microcomputers and other microprocessors, and its advantage is that the speed of service is fast, cost-effective, configuration is abundant
Flexibly, power consumption is low etc..
Instruction transmission circuit with Data Analysis Services main website there is signal to be connected, for receiving the alarm signal and transmitting
To warning device.Instruction transmission circuit can be realized with serial communication circuit etc..
The warning device is used to send alarm under the control of alarm signal.For example, when the signal of the reflection quality of power supply
During less than setting value, alarm signal control warning device sends alarm.
Second embodiment
The present embodiment is further perfect on the basis of first embodiment, and its observation circuit is additionally operable to collection charging train number
Signal, to judge the vehicle flowrate in each region.For example, the charging times of collection charging pile.
The signal of reflection charging train number reaches Data Analysis Services main website by signal acquisition circuit.
3rd embodiment
The present embodiment further increases the memory being connected with Data Analysis Services main website, for receiving and preserving storage
The data signal that Data Analysis Services master station transmission comes.
Fourth embodiment
Embodiment adds communication network and quality of power supply on-line monitoring terminal, such as Fig. 1.Data Analysis Services main website leads to
Crossing communication network with quality of power supply on-line monitoring terminal there is signal to be connected, for the numeral for exporting the signal acquisition circuit
Signal is sent to quality of power supply on-line monitoring terminal.
Quality of power supply on-line monitoring terminal is generally positioned in master control room, and it is shown the data received, work
Personnel will be seen that the quality of power supply and charging vehicle flowrate of charging station.
When worker personnel think that the quality of power supply of charging station is relatively low and during warning device also non-automatic alarm, then it can pass through electricity
The instruction of energy quality on-line monitoring terminal input service personnel, and the instruction is transferred to data analysis by communication network
Handle main website.
Data Analysis Services main website is by the instruction by instructing transmission circuit to be transferred to warning device, the warning device
It is additionally operable to send alarm according to the instruction.
In the present embodiment, communication network can be 4G networks or internet etc..The quality of power supply monitors terminal on-line
Work PC with input equipment.
Fig. 2 shows application scenarios of the present utility model, and it shows a 400V flexible direct current distribution net topology
Structure.
Electric household automotive voltage is mostly 330V, 380V or so currently on the market, can be directly accessed 400V DC distribution nets
Carry out quick charge, but current rapid nitriding can still damage the life of storage battery, therefore can generally select by
DC400V voltages by transverter export 75V, 48V, 24V, 12V, etc. serial low voltage power supply electrical automobile and other DC loads
Use.
The signal input part (test side of observation circuit) of the utility model device is connected with the charging pile in network, then
The quality of power supply and vehicle flowrate are monitored automatically according to above-mentioned principle, and alarm is then sent when the quality of power supply is relatively low.The work of charging station
Personnel hear the access for controlling electric automobile after alarm immediately, so as to realize effective improvement to the region quality of power supply,
Staff may be referred to charging vehicle provided by the utility model time data simultaneously, and the vehicle of access is control effectively.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. electric energy quality monitoring and warning device at a kind of electric automobile charging station, it is characterised in that including observation circuit, letter
Number Acquisition Circuit, Data Analysis Services main website, instruction transmission circuit and warning device；
The observation circuit with charging pile there is signal to be connected, the signal of the quality of power supply for gathering reflection charging pile；
Signal acquisition circuit with observation circuit there is signal to be connected, and the signal for observation circuit to be exported is converted to digital letter
Number；
Data Analysis Services main website with signal acquisition circuit there is signal to be connected, including comparator and single-chip microcomputer, comparator are used for
By the data signal compared with given threshold, single-chip microcomputer is used for the transmission for controlling data signal, when data signal is less than setting
Output alarm signal during threshold value；
Instruction transmission circuit with Data Analysis Services main website there is signal to be connected, for receiving the alarm signal and being transferred to report
Alarm device；The warning device is used to send alarm under the control of alarm signal.
2. electric energy quality monitoring and warning device at a kind of electric automobile charging station according to claim 1, its feature
It is, the observation circuit is additionally operable to the signal of collection reflection charging train number.
3. electric energy quality monitoring and warning device at a kind of electric automobile charging station according to claim 2, its feature
It is, the Data Analysis Services main website also monitors terminal on-line by communication network with the quality of power supply, and there is signal to be connected, and use
Quality of power supply on-line monitoring terminal is sent in the data signal for exporting the signal acquisition circuit.
4. electric energy quality monitoring and warning device at a kind of electric automobile charging station according to claim 3, its feature
It is, the quality of power supply on-line monitoring terminal is used for the instruction for receiving staff's input, and the instruction is passed through into communication
Network transmission gives Data Analysis Services main website.
5. electric energy quality monitoring and warning device at a kind of electric automobile charging station according to claim 4, its feature
It is, the Data Analysis Services main website is additionally operable to the instruction by instructing transmission circuit to be transferred to warning device.
6. electric energy quality monitoring and warning device at a kind of electric automobile charging station according to claim 5, its feature
It is, the warning device is additionally operable to send alarm according to the instruction.
7. electric energy quality monitoring and warning device at a kind of electric automobile charging station according to claim 1, its feature
It is, the Data Analysis Services main website is also connected with memory, for the data signal to be saved in memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321121.5U CN207164151U (en) | 2017-03-30 | 2017-03-30 | Electric energy quality monitoring and warning device at a kind of electric automobile charging station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321121.5U CN207164151U (en) | 2017-03-30 | 2017-03-30 | Electric energy quality monitoring and warning device at a kind of electric automobile charging station |
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| Publication Number | Publication Date |
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| CN207164151U true CN207164151U (en) | 2018-03-30 |
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| CN201720321121.5U Active CN207164151U (en) | 2017-03-30 | 2017-03-30 | Electric energy quality monitoring and warning device at a kind of electric automobile charging station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470013A (en) * | 2019-05-24 | 2021-03-09 | 维尔塔有限公司 | Electric vehicle charging monitoring device and method |
| CN117207818A (en) * | 2023-09-15 | 2023-12-12 | 国网安徽省电力有限公司经济技术研究院 | Electric automobile charging station electric energy quality monitoring analysis system |
-
2017
- 2017-03-30 CN CN201720321121.5U patent/CN207164151U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470013A (en) * | 2019-05-24 | 2021-03-09 | 维尔塔有限公司 | Electric vehicle charging monitoring device and method |
| US11932131B2 (en) | 2019-05-24 | 2024-03-19 | Liikennevirta Oy / Virta Ltd | Electric vehicle charging monitoring device and method |
| CN117207818A (en) * | 2023-09-15 | 2023-12-12 | 国网安徽省电力有限公司经济技术研究院 | Electric automobile charging station electric energy quality monitoring analysis system |
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