CN207380894U - Power distribution network on-pole switch intelligent wireless monitors system - Google Patents
Power distribution network on-pole switch intelligent wireless monitors system Download PDFInfo
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- CN207380894U CN207380894U CN201721526809.3U CN201721526809U CN207380894U CN 207380894 U CN207380894 U CN 207380894U CN 201721526809 U CN201721526809 U CN 201721526809U CN 207380894 U CN207380894 U CN 207380894U
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Abstract
A kind of power distribution network on-pole switch intelligent wireless monitors system, including voltage and current signal input port, temperature collecting module, wind speed acquisition module, microprocessor, low-pass filter, current potential translation module, D/A converter module, wireless transport module；Voltage and current signal input port is connected with low-pass filter, and low-pass filter is connected with current potential translation module, and current potential translation module is connected with D/A converter module, and D/A converter module is connected with microprocessor；Temperature collecting module, wind speed acquisition module are connected respectively with microprocessor；Microprocessor is connected with wireless transport module.The failure that power distribution network is likely to occur can be judged in advance after adding the monitoring of the environmental factors such as temperature, wind speed, be advantageously implemented the reasonable employment for distribution line transmission capacity.And the wireless transmission of data is realized, visualization window can be provided for operating personnel in host computer, worker is effectively avoided and closely detect undertaken danger.
Description
Technical field
The utility model is related to power domains, and in particular to a kind of power distribution network on-pole switch intelligent wireless monitors system, uses
It is detected in power distribution network on-pole switch voltage, current detecting and temperature, wind speed and on off state and is wirelessly transferred detection data.
Background technology
With the fast development of society, distribution line becomes increasingly complex, and transmission capacity is increasing, for distribution network
Reliability is higher and higher with requirement of real-time.Distribution network is monitored in real time, reducing failure becomes increasingly to weigh
It will.And current power distribution network on-pole switch monitoring device is only capable of the basic parameters such as acquisition electric current, voltage, but ignores for temperature
The acquisition of the natural causes such as degree, wind speed.
And the growing tension of present line corridor resource is realized and not allowed for distribution line transmission capacity reasonable employment quarter
It is slow.But distribution line when setting up for prevent the excessive thermal capacitance numerical value that sets of load be static conservative numerical value be often with
The conservative static heat limiting value provided based on worst meteorological condition, but it is this severe the phenomenon that seldom send out
Raw, this has resulted in the transmission potentiality that can not really utilize distribution line in most cases.Become armed with environment
The monitoring data of amount more preferably can transmit potentiality using distribution line.
The content of the invention
In view of situation above, in order to solve power distribution network on-pole switch sensor existing for above-mentioned technology be only capable of acquisition electric current,
The basic parameters such as voltage；Distribution line thermal capacitance numerical value is the conservative of static state, is provided based on worst meteorological condition
Limiting value, the problems such as so as to limit the transmittability of distribution line, the utility model proposes a kind of power distribution network on-pole switch without
Line intelligent monitor system.
A kind of power distribution network on-pole switch intelligent wireless monitors system, including voltage and current signal input port, temperature acquisition
Module, wind speed acquisition module, microprocessor, low-pass filter, current potential translation module, D/A converter module, wireless transport module；
Voltage and current signal input port is connected with low-pass filter, and low-pass filter is connected with current potential translation module, current potential translation mould
Block is connected with D/A converter module, and D/A converter module is connected with microprocessor；Temperature collecting module, wind speed acquisition module difference
It is connected with microprocessor；Microprocessor is connected with wireless transport module.
Further, on-pole switch state monitoring module is further included, on-pole switch state monitoring module connects with microprocessor
It connects.
Preferably, the temperature collecting module includes DS18B20 chips.
Preferably, the wind speed acquisition module is communicated using RS485 communication chips.
Preferably, the microprocessor includes STM32F407ZET6 microcontrollers and W25Q16 memories.
Preferably, the low-pass filter uses low-pass filter circuit, and is inputted using voltage-stabiliser tube limitation current potential.
Preferably, the current potential translation module includes LM358N operational amplifiers.
Preferably, the wireless transport module uses the wireless SOC of ESP8266.
Preferably, steady pressure of system module is further included, the steady pressure of system module includes 5v direct current supplys module and 5v turns
The DC-DC conversion circuit of 3.3v.
Preferably, LCD controls and display module are further included, microprocessor is controlled with LCD and is connected with display module.
Preferably, the LCD controls include LED light, touch-switch and LCD liquid crystal display screen, LED with display module
Indicator light, touch-switch and LCD liquid crystal display screen are connected respectively by control circuit with microprocessor.
Take the utility model proposes technology after, it is wireless according to the power distribution network on-pole switch of the utility model embodiment
Intelligent monitor system has the advantages that.
1) failure that power distribution network is likely to occur can be judged in advance after adding the monitoring of the environmental factors such as temperature, wind speed.
2) detection of environmental factor is added, is advantageously implemented the reasonable employment for distribution line transmission capacity.
3) wireless transmission of data is realized, and visualization window can be provided in host computer for operating personnel, is effectively kept away
Exempt from worker and closely detect undertaken danger.
4) the needs of remaining jtag interfaces and LCD screen display module, meeting product up-gradation and further research and develop.
Description of the drawings
Fig. 1 shows power distribution network on-pole switch intelligent wireless monitoring system global structure block diagram according to the present utility model
Fig. 2 shows power distribution network on-pole switch intelligent wireless monitoring system low pass filter and electricity according to the present utility model
Position translation module connection diagram
Fig. 3 shows that power distribution network on-pole switch intelligent wireless monitoring system temperature acquisition module according to the present utility model shows
It is intended to
Fig. 4 shows that power distribution network on-pole switch intelligent wireless monitoring system wind acquisition module according to the present utility model shows
It is intended to
Fig. 5 shows that power distribution network on-pole switch intelligent wireless monitoring system wireless transport module according to the present utility model shows
It is intended to
Fig. 6 shows power distribution network on-pole switch intelligent wireless monitoring system DC-DC conversion circuit according to the present utility model
Schematic diagram
Specific embodiment
Each preferred embodiment of the utility model is described below with reference to accompanying drawings.It provides referring to attached
The description of figure, to help the understanding of the example embodiment of the utility model to being limited by appended claims and their equivalents.
It includes helping the various details understood, but they can only be counted as illustratively.Therefore, those skilled in the art will
It recognizes, embodiment described herein can be made various changes and modifications, without departing from the scope of the utility model and essence
God.Moreover, in order to make specification more clear succinct, will omit pair it is well known that function and the detailed description of construction.
As shown in Figure 1, a kind of power distribution network on-pole switch intelligent wireless monitoring system, including voltage and current signal input port
1st, temperature collecting module 2, wind speed acquisition module 3, on-pole switch state monitoring module, microprocessor 50, low-pass filter 51, electricity
Position translation module 52, D/A converter module 53, wireless transport module 54, LCD controls and display module 55；Voltage and current signal is defeated
Inbound port 1 is connected with low-pass filter 51, and low-pass filter 51 is connected with current potential translation module 52, current potential translation module 52 and number
Mould modular converter 53 connects, and D/A converter module 53 is connected with microprocessor 50；Temperature collecting module 2, wind speed acquisition module 3 divide
It is not connected with microprocessor 50；Microprocessor 50 is connected respectively with wireless transport module 54 and LCD controls with display module 55.Into
One step, LCD controls and display module 55 are equipped with LED light, touch-switch and LCD liquid crystal display screen, LED light, light
It touches switch and LCD liquid crystal display screen is connected respectively by control circuit with microprocessor 50, for manipulating, indicating and show.Nothing
Line transport module 54 is WIFI module, can be wirelessly connected with PC ends.Microprocessor 50 selects STM32F407ZET6 mono-
Piece machine and W25Q16 memories.
Below referring to Fig. 2, voltage, current signal that voltage and current signal input port 1 gathers are accessed by mutual inductor,
Higher hamonic wave is filtered out by low-pass filter 51 first, carries current potential using the level shift circuit of current potential translation module 52
It rises.
Low-pass filter 51 uses RC low-pass filter circuits, and wherein resistance chooses 2k Ω, and capacitance is chosen 100nF, be ensure that
Cutoff frequency is 796Hz, so as to effectively filter out the clutter for being higher than 796Hz.And it is designed by the voltage-stabiliser tube of series connection, limitation electricity
Position input controls input voltage range to play protection circuit function for -5V-+5V.
Effective input voltage of D/A converter module 53 is 0-3.3v, therefore realizes current potential using LM358N operational amplifiers
The effect of translation.Wherein, DC power supply accesses the pin 3 of computing by dividing, and provides translation current potential.The output signal of wave filter
After access, due to the feedback effect of computing so that signal amplitude is transformed to 3.3v by 10v.
The D/A converter module 53 of the output terminal access STM32F407ZT6 of current potential translation module 52, specific pin is first
Road voltage meets PA4, and the second road voltage meets PA6, and first via electric current meets PF7, and the second road electric current meets PF9.Fig. 2 show first via electricity
Press connection signal.
Below referring to Fig. 3, the utility model uses the DS18B20 chip collecting temperature signals of MAXIM companies, the chip
Using single bus interface mode, DS18B20 only needs a mouth line that microprocessor can be realized when being connected with microprocessor 50
The both-way communication of 50 and DS18B20 substantially increases the anti-interference of system.
There are three pins for DS18B20 chips：Pin 1 meets 3.3v；Pin 2 is data output pins, is accessed
The PG11 of STM32F407ZET6 microcontrollers；Pin 3 is grounded.
Referring to Fig. 4, the utility model uses FS series air velocity transducers, mode signal output is RS485 agreements, therefore altogether
There are two data access ports：Port A and port B.RS485 chips totally 8 pins, wherein, pin 8 and pin 5 connect respectively
3.3v power supplys and ground；Pin 6 and pin 7 meet input terminal A and input terminal B respectively；Pin 1 accesses PA3；Pin 2,3 is connected to jointly
PG8；Pin 4 is connected to PA2.
R4851 and R4852 is two biasing resistors, and during for ensureing bus free, the voltage difference between AB all can be about
200mV, pressure difference indefinite logical miss when avoiding bus free.
Referring to Fig. 5, the utility model is using ESP8266 wireless SOC chips, the chip height Embedded, because
This only needs seldom external circuit.Pin is described as follows：
Pin 1 meets PC0；
Pin 2 meets PF6, for resetting；
Pin 3 meets PB10, for receiving signal；
Pin 4 meets PB11, for sending signal；
Pin 5 is grounded；
Pin 6 connects 5v DC power supplies.
Below referring to Fig. 6, many places need 3.3v to power in the utility model circuit, so using AMS1117-3.3 cores
The 5v signals that 5v direct current supply modules provide are converted to 3.3v signals by piece.In three pins of the chip, pin 1 is grounded；Draw
Foot 2 is 3.3v voltage outputs；Pin 3 is 5v control sources.The utility model is in parallel using the capacitance of 0.1uF and 10uF simultaneously,
To ensure voltage stabilization.
According to the power distribution network on-pole switch intelligent wireless of above-mentioned the utility model embodiment monitor system, add temperature,
The failure that power distribution network is likely to occur can be judged after the monitoring of the environmental factors such as wind speed in advance.Meanwhile because add environment because
The detection of element, is advantageously implemented the reasonable employment for distribution line transmission capacity.In addition, implemented according to above-mentioned the utility model
The power distribution network on-pole switch intelligent wireless monitoring system of example realizes the wireless transmission of data, and can be operator in host computer
Member provides visualization window, effectively avoids worker and closely detects undertaken danger.Remain jtag interfaces and LCD screen
Curtain display module, the needs of meeting product up-gradation and further research and develop.
The utility model is described in detail above, principle of the specific case to the utility model used herein
And embodiment is set forth, the explanation of above example is only intended to the methods and its core that help understands the utility model
Thought；Meanwhile for those of ordinary skill in the art, according to the thought of the utility model, in specific embodiment and application
There will be changes in scope, in conclusion this specification content should not be construed as the limitation to the utility model.
Through the above description of the embodiments, those skilled in the art can be understood that the utility model can
Implement.Certainly, above listed situation is merely illustrative, and the utility model is not limited to that.Those skilled in the art should
Understand, according to other deformations of technical solutions of the utility model or simplify, the utility model can be suitably applied to, and
It should be included in the scope of the utility model.
Claims (10)
1. a kind of power distribution network on-pole switch intelligent wireless monitors system, which is characterized in that including voltage and current signal input port
（1）, temperature collecting module（2）, wind speed acquisition module（3）, microprocessor（50）, low-pass filter（51）, current potential translation module
（52）, D/A converter module（53）, wireless transport module（54）；Voltage and current signal input port（1）With low-pass filter
（51）Connection, low-pass filter（51）With current potential translation module（52）Connection, current potential translation module（52）With D/A converter module
（53）Connection, D/A converter module（53）With microprocessor（50）Connection；Temperature collecting module（2）, wind speed acquisition module（3）Point
Not and microprocessor（50）Connection；Microprocessor（50）With wireless transport module（54）Connection.
A kind of 2. power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that the temperature
Spend acquisition module（2）Including DS18B20 chips.
A kind of 3. power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that the wind
Fast acquisition module（3）Including RS485 communication chips.
4. a kind of power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that described micro-
Processor（50）Including STM32F407ZET6 microcontrollers and W25Q16 memories.
5. a kind of power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that described low
Bandpass filter（51）Including low-pass filter circuit and voltage-stabiliser tube.
A kind of 6. power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that the electricity
Position translation module（52）Including LM358N operational amplifiers.
A kind of 7. power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that the nothing
Line transport module（54）Using the wireless SOC of ESP8266.
8. a kind of power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that further include
Steady pressure of system module, the steady pressure of system module includes 5v direct current supplys module and 5v turns the DC-DC conversion circuit of 3.3v.
9. a kind of power distribution network on-pole switch intelligent wireless monitoring system according to claim 1, which is characterized in that further include
LCD is controlled and display module（55）, microprocessor（50）With LCD controls and display module（55）Connection.
10. a kind of power distribution network on-pole switch intelligent wireless monitoring system according to claim 9, which is characterized in that described
LCD is controlled and display module（55）Including LED light, touch-switch and LCD liquid crystal display screen, LED light, touch-switch
Pass through control circuit and microprocessor respectively with LCD liquid crystal display screen（50）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526809.3U CN207380894U (en) | 2017-11-16 | 2017-11-16 | Power distribution network on-pole switch intelligent wireless monitors system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526809.3U CN207380894U (en) | 2017-11-16 | 2017-11-16 | Power distribution network on-pole switch intelligent wireless monitors system |
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| Publication Number | Publication Date |
|---|---|
| CN207380894U true CN207380894U (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721526809.3U Expired - Fee Related CN207380894U (en) | 2017-11-16 | 2017-11-16 | Power distribution network on-pole switch intelligent wireless monitors system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459269A (en) * | 2018-05-30 | 2018-08-28 | 国网江西省电力有限公司电力科学研究院 | A kind of 10kV pvs (pole-mounted vacuum switch)s state on-line evaluation method and apparatus |
| CN109598916A (en) * | 2018-12-12 | 2019-04-09 | 国网河南省电力公司济源供电公司 | A kind of universal method and system of the remote control operation of distribution on-pole switch |
| CN109708687A (en) * | 2018-08-31 | 2019-05-03 | 南方电网科学研究院有限责任公司 | Monitoring system of pole-mounted switch |
| CN110308389A (en) * | 2019-07-03 | 2019-10-08 | 深圳腾河电力有限公司 | A kind of information acquisition system and method for power grid |
-
2017
- 2017-11-16 CN CN201721526809.3U patent/CN207380894U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459269A (en) * | 2018-05-30 | 2018-08-28 | 国网江西省电力有限公司电力科学研究院 | A kind of 10kV pvs (pole-mounted vacuum switch)s state on-line evaluation method and apparatus |
| CN108459269B (en) * | 2018-05-30 | 2020-10-20 | 国网江西省电力有限公司电力科学研究院 | 10kV on-column vacuum switch state online evaluation method and device |
| CN109708687A (en) * | 2018-08-31 | 2019-05-03 | 南方电网科学研究院有限责任公司 | Monitoring system of pole-mounted switch |
| CN109598916A (en) * | 2018-12-12 | 2019-04-09 | 国网河南省电力公司济源供电公司 | A kind of universal method and system of the remote control operation of distribution on-pole switch |
| CN110308389A (en) * | 2019-07-03 | 2019-10-08 | 深圳腾河电力有限公司 | A kind of information acquisition system and method for power grid |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20181116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |