CN202649795U - A self-healing control terminal system of a power distribution network - Google Patents
A self-healing control terminal system of a power distribution network Download PDFInfo
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- CN202649795U CN202649795U CN2012202664361U CN201220266436U CN202649795U CN 202649795 U CN202649795 U CN 202649795U CN 2012202664361 U CN2012202664361 U CN 2012202664361U CN 201220266436 U CN201220266436 U CN 201220266436U CN 202649795 U CN202649795 U CN 202649795U
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- terminal system
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- control terminal
- power distribution
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- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000011664 signaling Effects 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 11
- 230000003993 interaction Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 230000001052 transient effect Effects 0.000 abstract description 4
- 238000013500 data storage Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to a self-healing control terminal system of a power distribution network. The system comprises independent boards and a backboard. The independent boards comprise a main board and functional boards. The backboard is connected with the main board and the functional boards through bus interfaces. The main board of terminal system uses a single-chip-double-core processor and a large-capacity memory to achieve data acquisition, signal processing, real-time control, man-machine interaction, data storage, and a communication function. In addition, the system acquires accurate clock by a GPS unit in order to perform data processing of real-time recording, transient wave recording, operating parameter supervision, real-time data recording, and transient wave recording on the power distribution network, achieving synchronous measurement to each node and creating conditions for global stability control to electrical power system.
Description
Technical field:
The utility model relates to a kind of self-healing control terminal system, more specifically relates to a kind of self-healing control terminal system that is installed on distribution feeder on-pole switch place.
Background technology:
Self-healing is the most important feature of intelligent distribution network as " immune system " of intelligent distribution network.The observability and the controllability that focus on improving all elements of electrical network of self-healing control strengthen the monitoring effect to power equipment parameter, operation of power networks state and distributed energy, and this just has higher requirement to sensing and measurement technology.And traditional self-healing control terminal major function is three-phase voltage/current measurement and statistical study, remote control, remote signalling, remote measurement, the function such as communicate by letter, and can not satisfy the demand of intelligent distribution network.
Self-healing control terminal of the present utility model can be monitored voltage, the current signal of switch bilateral on the feeder pillar, and carry out statistical study, but while monitoring switch temperature, conductor temperature and stress, and utilize the GPS module to obtain precision clock, power distribution network being carried out the data such as real time record, transient state record ripple, operational factor supervision, real-time recorded data and transient state record ripple processes, realize the synchro measure of each node, created condition for guaranteeing the control of electric system global stability.
Summary of the invention:
The purpose of this utility model provides a kind of power distribution network self-healing control terminal system, the development trend of this system's combined with intelligent power distribution network, use the power supply reliability that self-healing control technology improves electrical network, reduce power off time, realize self-prevention and the self-recovery function of power distribution network.The self-healing control terminal system utilizes the GPS module to realize clock synchronous and synchronous phasor measurement, has simultaneously the extensibility of function and flexible human-computer interaction function.
For achieving the above object, the utility model by the following technical solutions: a kind of power distribution network self-healing control terminal system, this system comprises independent integrated circuit board, backboard; Described independent integrated circuit board comprises mainboard and feature board; Described backboard is connected with described mainboard, feature board respectively by bus interface;
Described mainboard comprises SD card, CPU (central processing unit), button LED; Described CPU (central processing unit) adopts single-chip double-nuclear processor and jumbo storer;
Described feature board comprises interface, GPS unit, WIFI unit, ADC, mutual inductor, signal conditioning circuit, GPRS/230M unit, charging chip, power supply unit, lithium battery.
A kind of power distribution network self-healing control terminal system that the utility model provides, described interface comprises: Remote Control Interface, remote signalling interface, Ethernet interface, serial ports, direct current telemetry interface, USB interface.
Another preferred a kind of power distribution network self-healing control terminal system that the utility model provides, described single-chip double-nuclear processor comprises: DSP and ARM.
The again preferred a kind of power distribution network self-healing control terminal system that the utility model provides, the WIFI unit of described feature board is provided with wireless Web Service service unit.
Another preferred a kind of power distribution network self-healing control terminal system that the utility model provides, the remote signalling interface of described feature board is connected with the on-off state sensor.
Another preferred a kind of power distribution network self-healing control terminal system that the utility model provides, the direct current telemetry interface of described feature board is connected with temperature sensor, humidity sensor, wire temperature sensor and strain gauge.
Another preferred a kind of power distribution network self-healing control terminal system that the utility model provides, the Remote Control Interface of described feature board is connected with line switching.
Because the beneficial effect that has adopted technique scheme, the present invention to obtain is:
1, the utility model terminal system employing single-chip double-nuclear processor, DSP and the ARM division of labor are clear and definite, have improved whole work efficiency, complicacy and unreliability that the PCB that has also avoided the employing separate chip to bring simultaneously designs;
2, the utility model terminal system adopts having unit structure and bus interface technology, and the function of terminal has extensibility, and conveniently replaced functional unit;
3, the built-in WIFI of the utility model terminal system unit, and wireless Web Server service is provided, the user can carry out data interaction easily by handheld terminal, avoids stepping on the troublesome operation such as bar;
4, the utility model terminal system is obtained accurately clock source by the GPS unit, guarantees the clock synchronous of a plurality of terminals;
5, the utility model terminal system built-in lithium battery and have charge function can move more than one hour in terminal behind the Ac Dump, need not external standby power supply;
6, the utility model terminal system is supported communication, and the communication unit interface of standard is provided, to satisfy different customer demands.
Description of drawings
Fig. 1 is the board structure figure of the utility model power distribution network self-healing control terminal system;
Hardware and the peripherals connection layout thereof of Fig. 2 the utility model power distribution network self-healing control terminal system;
Embodiment
The invention will be described in further detail below in conjunction with embodiment.
Embodiment 1:
This terminal system comprises independent integrated circuit board as shown in Figure 1, backboard (bus slot), and integrated circuit board connects by backboard (bus slot), and integrated circuit board comprises mainboard, feature board I and feature board II.Wherein feature board I comprises Remote Control Interface, remote signalling interface, direct current telemetry interface, USB interface, serial ports, Ethernet interface, GPS unit (GS-89M) and WIFI unit (RT3070); Feature board II comprises power supply unit, mutual inductor and signal conditioning circuit, ADC, GPRS/230M unit (wireless communication unit), lithium battery and charging chip thereof.Two feature boards can be easily from the plug of terminal system below, and its connection terminal makes this terminal possess embedded and wall-hanging two kinds of mounting meanss down.
The CPU (central processing unit) of self-healing control terminal system has adopted the DSP nuclear+ARM nuclear of dual core processor OMAP-L138(375MHz as shown in Figure 2) and jumbo storer, utilize the DSP unit to carry out data acquisition, signal processing and in real time control; ARM then realizes man-machine interaction, data storage, communication function etc. by embedded OS.
The self-healing control terminal is installed on 10kV distribution feeder on-pole switch place, the self-healing control terminal system gathers voltage, the current signal of switch bilateral by the mutual inductor in the feature board and signal conditioning circuit, ADC, and calculates amplitude, phase angle, harmonic wave, zero-sequence current, residual voltage.The A/D conversion chip that is used for data acquisition is the AD7656 that ADI company produces, and has 16 bit resolutions, and sampling rate can reach 250ksps, has simultaneously the advantages such as high s/n ratio, low-power consumption.
The self-healing control terminal system utilizes the remote signalling interface outside connected switch amount state sensor in the feature board to gather switch state signal (open and close state), energy storing of switch signal, switch pressure anomaly signal and switch fault alerting signal.
The self-healing control terminal system is utilized the interior external Temperature Humidity Sensor of direct current telemetry interface of feature board and direct current telemetry function Real-Time Monitoring environment temperature and the humidity of terminal.Telemetric circuit has adopted high-precision linear optocoupler HCNR200 and low noise operational amplifier to realize isolation and the conversion of signal, 4 ~ 20mA dc current signal is converted to 1 ~ 5V d. c. voltage signal, and this circuit has the advantages such as low cost, high linearity, high stability, bandwidth.
The self-healing control terminal system utilizes direct current telemetry interface external wire temperature, the strain gauge in the feature board to come the temperature of detector switch, temperature and the stress of wire.
The self-healing control terminal system utilizes the Remote Control Interface external circuit switch in the feature board to realize switch trip, combined floodgate and blocking function.
The self-healing control terminal system comprises wired and radio communication function, supports the communication mode of multiple standards.Wire communication comprises 2 (optical fiber) Ethernet interfaces; Radio communication is supported the communication of GPRS wireless public network, 230M wireless private network communication mode.
The self-healing control terminal system adopts wireless access way (WIFI interface, Web Service service) to carry out man-machine interaction with handheld terminal (such as PDA).
The self-healing control terminal system is obtained clock source by the GPS module in the feature board, guarantees the clock synchronous of a plurality of terminals, realizes the synchro measure of each node.
The self-healing control terminal system possesses USB interface and SD card slot, supports on-line/off-line to write or change the part of module of software systems.
The built-in standby power supply of self-healing control terminal system feature board.The voltage transformer (VT) of switch bilateral, built-in lithium battery all can be powered for terminal, and terminal still can be moved more than one hour after the AC power outage; Terminal can not utilize charging chip MAX1551 to be lithium cell charging when AC power was disconnected.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (7)
1. power distribution network self-healing control terminal system, this system comprises independent integrated circuit board, backboard; Described independent integrated circuit board comprises mainboard and feature board; Described backboard is connected with described mainboard, feature board respectively by bus interface;
Described mainboard comprises SD card, CPU (central processing unit), button LED; Described CPU (central processing unit) adopts single-chip double-nuclear processor and jumbo storer;
Described feature board comprises interface, GPS unit, WIFI unit, ADC, mutual inductor, signal conditioning circuit, GPRS/230M unit, charging chip, power supply unit, lithium battery.
2. a kind of power distribution network self-healing control terminal system as claimed in claim 1, it is characterized in that: described interface comprises: Remote Control Interface, remote signalling interface, Ethernet interface, serial ports, direct current telemetry interface, USB interface.
3. a kind of power distribution network self-healing control terminal system as claimed in claim 1, it is characterized in that: described single-chip double-nuclear processor comprises: DSP and ARM.
4. a kind of power distribution network self-healing control terminal system as claimed in claim 1, it is characterized in that: the WIFI unit of described feature board is provided with wireless Web Service service unit.
5. a kind of power distribution network self-healing control terminal system as claimed in claim 1, it is characterized in that: the remote signalling interface of described feature board is connected with the on-off state sensor.
6. a kind of power distribution network self-healing control terminal system as claimed in claim 1, it is characterized in that: the direct current telemetry interface of described feature board is connected with temperature sensor, humidity sensor, wire temperature sensor and strain gauge.
7. a kind of power distribution network self-healing control terminal system as claimed in claim 1, it is characterized in that: the Remote Control Interface of described feature board is connected with line switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202664361U CN202649795U (en) | 2012-06-06 | 2012-06-06 | A self-healing control terminal system of a power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202664361U CN202649795U (en) | 2012-06-06 | 2012-06-06 | A self-healing control terminal system of a power distribution network |
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| Publication Number | Publication Date |
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| CN202649795U true CN202649795U (en) | 2013-01-02 |
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| CN2012202664361U Expired - Lifetime CN202649795U (en) | 2012-06-06 | 2012-06-06 | A self-healing control terminal system of a power distribution network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133433A (en) * | 2014-06-11 | 2014-11-05 | 国家电网公司 | Power distribution automation terminal in standard system framework |
| CN106410961A (en) * | 2016-08-25 | 2017-02-15 | 成都汉度科技有限公司 | Smart distribution network device monitoring method |
-
2012
- 2012-06-06 CN CN2012202664361U patent/CN202649795U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133433A (en) * | 2014-06-11 | 2014-11-05 | 国家电网公司 | Power distribution automation terminal in standard system framework |
| CN104133433B (en) * | 2014-06-11 | 2017-02-01 | 国家电网公司 | Power distribution automation terminal in standard system framework |
| CN106410961A (en) * | 2016-08-25 | 2017-02-15 | 成都汉度科技有限公司 | Smart distribution network device monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |