CN103995196A - Wireless and intelligent trip - Google Patents
Wireless and intelligent trip Download PDFInfo
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- CN103995196A CN103995196A CN201410206643.1A CN201410206643A CN103995196A CN 103995196 A CN103995196 A CN 103995196A CN 201410206643 A CN201410206643 A CN 201410206643A CN 103995196 A CN103995196 A CN 103995196A
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Abstract
The invention relates to a wireless and intelligent trip which comprises an electric power information collecting module for obtaining power grid operation information. The electric power information collecting module is connected with the input end of a control circuit, and the control circuit is connected with a wireless data receiving-transmitting module; a power grid setting protection value is set in the control circuit in advance, and electric power operation information is obtained by the control circuit according to collected information transmitted by the electric power information collecting module and are stored; the electric power operation information is compared with the power grid setting protection value through the control circuit, when the electric power operation information is not matched with the power grid setting protection value, the control circuit transmits early-alarming information through the wireless data receiving-transmitting module in a wireless mode, and the sampling frequency of the control circuit on the electric power operation information of the electric power information collecting module is increased. The wireless and intelligent trip is compact in structure, can conduct electric power information detection analysis, fault early warning and relative data wireless receiving and transmitting, and guarantees that a power grid safely and reliably operate.
Description
Technical field
The present invention relates to a kind of trip gear, especially a kind of intelligent wireless is threaded off, and belongs to the technical field of electric power safety protection.
Background technology
Along with deepening continuously of intelligent grid process, be related to that the electric power system safe reliability of the public and social benefit becomes extremely important.As electricity substation, wireless station base station, railway signal system, hospital, megastore, skyscraper etc. all need the electric power system of high reliability.This has just proposed higher reliability requirement to traditional mesolow controller switching equipment, the detection of grid power information and fault pre-alarming, alarm is had higher requirement simultaneously.
In order to guarantee the reliability of electric system, traditional supplied for electronic system has all been equipped with a large amount of low-voltage alternating-current controller switching equipments, some is even also furnished with DC back-up power supply.These systems adopt Redundancy Design mostly, and the complicacy of power subsystem is more and more higher, invest increasing, but but there is the negative effect that reliability declines on the contrary.And the crucial moment occurring in fault; the early warning of electrical network subsystem and defencive function still possibly cannot normally play a role; while even there will be a certain subsystem to break down; do not give warning in advance and alarm in time; subsystem not only could not be protected timely; make on the contrary higher level's electric system occur paralysis, thereby make electric system cause huge loss.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of intelligent wireless to thread off, its compact conformation, can detect the wireless receiving and dispatching of analysis, fault pre-alarming alarm and related data to power information, guarantee power grid security reliability service.
According to technical scheme provided by the invention, described intelligent wireless is threaded off, comprise that described power information acquisition module is connected with the input end of control circuit for obtaining the power information acquisition module of operation of power networks information, control circuit is connected with wireless data transceiver module; In control circuit, set in advance the electrical network protection value of adjusting, control circuit obtains information of electric power in motion according to the Information Monitoring of power information acquisition module transmission, and described information of electric power in motion is stored; Control circuit is by the protection value comparison of adjusting of information of electric power in motion and electrical network; when information of electric power in motion and electrical network are adjusted protection value while not mating; control circuit is by wireless data transceiver module wireless transmission early warning information, and control circuit improves the sample frequency of power information acquisition module to operation of power networks information.
The information of electric power in motion that described control circuit obtains comprises current value, magnitude of voltage, frequency values and third harmonic.
The power end of described control circuit is connected with power supply, and power supply also provides respectively the operating voltage of power information acquisition module, wireless data transceiver module.
Information of electric power in motion and electrical network are adjusted protection value while not mating, and control circuit also improves the frequency of wireless data transceiver module transmission early warning information; When information of electric power in motion and electrical network are adjusted protection value while mating, control circuit reduces the sample frequency of power information acquisition module to operation of power networks information.
Described power information acquisition module comprises Roche mutual inductor and signal processing circuit, and control circuit comprises main control chip, and Roche mutual inductor is connected with the AD port of main control chip by signal processing circuit.
Described wireless data transceiver module comprises radio-frequency receiving-transmitting integrated circuit, and described radio-frequency receiving-transmitting integrated circuit is connected with crystal resonator, control circuit and antenna.
Described wireless data transceiver module transfers to early warning information in host computer with the frequency of 2.4GHz.
Described control circuit is positioned on circuit board, and described circuit board is positioned at dropout shell; The upper cover that described dropout shell comprises drain pan and is positioned at drain pan upper end and is connected with described drain pan coupling, between upper cover and drain pan, be formed with installation cavity, circuit board is positioned at installation cavity and is supported on drain pan, and circuit board is connected with the antenna electric on upper cover inwall by feeder line.
In described drain pan, be provided with battery, described battery is positioned at the below of circuit board, and battery is connected with the power end of circuit board.
Described drain pan is installed and is supported on base, and power information acquisition module comprises Roche mutual inductor, and Roche mutual inductor is positioned at dropout housing exterior, and Roche mutual inductor is electrically connected to circuit board by connecting wire.
Advantage of the present invention: adopt Roche mutual inductor to measure electric network information, can measure more accurately grid power information; Control circuit, by the storage to information of electric power in motion, can, in real time to fault data recorder, can effectively understood and analysis culprit afterwards; By wireless data transceiver module, realize real time data wireless transmit-receive technology, can observe on backstage on-the-spot ruuning situation; Control circuit is controlled sample frequency and transmission frequency according to comparative result, can at the utmost point, in the short time, calculate fast failure message and send warning information; By to the Real-Time Monitoring of electric power cable electric current and fault analysis, guarantee that electrical network subsystem can send in advance early warning information and send in time warning information before breaking down.Owing to being independent of outside electric system, therefore can't have influence on safety and the operation of whole system.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is specific embodiment of the invention block diagram.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the A-A cut-open view of Fig. 3.
Description of reference numerals: 1-power information acquisition module, 2-control circuit, 3-wireless data transceiver module, 4-power supply, 5-Roche mutual inductor, 6-signal processing circuit, 7-main control chip, 8-crystal resonator, 9-radio-frequency receiving-transmitting integrated circuit, 10-battery, 11-dropout shell, 12-connect wire, 13-upper cover, 14-drain pan, 15-base, 16-antenna, 17-installation cavity, 18-circuit board and 19-feeder line.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2: in order to detect to power information the wireless receiving and dispatching of analysis, fault pre-alarming alarm and related data, guarantee power grid security reliability service, the present invention includes for obtaining the power information acquisition module 1 of operation of power networks information, described power information acquisition module 1 is connected with the input end of control circuit 2, and control circuit 2 is connected with wireless data transceiver module 3; In control circuit 2, set in advance the electrical network protection value of adjusting, control circuit 2 obtains information of electric power in motion according to the Information Monitoring of power information acquisition module 1 transmission, and described information of electric power in motion is stored; Control circuit 2 is by the protection value comparison of adjusting of information of electric power in motion and electrical network; when information of electric power in motion and electrical network are adjusted protection value while not mating; control circuit 2 is by wireless data transceiver module 3 wireless transmission early warning information, and control circuit 2 improves the sample frequency of 1 pair of operation of power networks information of power information acquisition module.
Particularly, the electrical network setting in advance in the control circuit 2 protection value of adjusting is the protection value that international standard is adjusted, at control circuit 2, the information of electric power in motion obtaining and electrical network are adjusted to protection value while comparing, information of electric power in motion and the electrical network protection value of adjusting is mated the value that refers to information of electric power in motion and is positioned at the adjust scope of protection value of electrical network, and information of electric power in motion and the electrical network protection value of adjusting is not mated the value that refers to information of electric power in motion and is positioned at electrical network and adjusts outside the scope of protection value, when information of electric power in motion is positioned at electrical network and adjusts the scope of protection value, information of electric power in motion and the electrical network difference that protection is worth between corresponding parameter of adjusting is less, when information of electric power in motion is positioned at electrical network and adjusts outside the scope of protection value, information of electric power in motion and the electrical network difference that protection is worth between corresponding parameter of adjusting is larger, control circuit 2 can determine whether malfunction according to above-mentioned comparative result, when breaking down state, control circuit 2 transmits early warning information by wireless data transceiver module 3, staff can gather in time effective measures after receiving early warning information, improve security and the reliability of operation of power networks.
The information of electric power in motion that described control circuit 2 obtains comprises current value, magnitude of voltage, frequency values and third harmonic.In the embodiment of the present invention, power information acquisition module 1 detects the current value that obtains electrical network, by obtaining magnitude of voltage after conversion, control circuit 2 can obtain above-mentioned information of electric power in motion according to described magnitude of voltage, according to obtaining current value, magnitude of voltage, frequency values and third harmonic value etc. after magnitude of voltage computing, control circuit 2 computings obtain the technological means of information of electric power in motion to be known by the art personnel, specifically repeats no more.The protection value that above-mentioned information of electric power in motion is adjusted with international standard is corresponding, and the protection value of adjusting with international standard by the type in information of electric power in motion is carried out corresponding comparison one by one.
The power end of described control circuit 2 is connected with power supply 4, and power supply 4 also provides respectively the operating voltage of power information acquisition module 1, wireless data transceiver module 3.In the embodiment of the present invention, power supply 4 can adopt battery 10, and described battery 10 can adopt disposable high temp. lithium Ammonium battery, and the operating voltage of whole dropout is provided by battery 10.
Described wireless data transceiver module 3 transfers to early warning information in host computer with the frequency of 2.4GHz; Wireless data transceiver module 3 transfers to early warning information in host computer, to realize the running status of remote reviewing electrical network, in the specific implementation, wireless data transceiver module 3 can also other wireless forms be sent to early warning information in host computer, wireless data transceiver module 3 adopts other forms of wireless transmission to be known by the art personnel, repeats no more herein.
Further, information of electric power in motion and electrical network are adjusted protection value while not mating, and control circuit 2 also improves the frequency of wireless data transceiver module 3 transmission early warning information; When information of electric power in motion and electrical network are adjusted protection value while mating, control circuit 2 reduces the sample frequency of 1 pair of operation of power networks information of power information acquisition modules.Control circuit 2 improves the frequency of wireless data transceiver module 3 transmission early warning information, so that upper function receives early warning information more timely and effectively, thereby can adopt an effective measure according to early warning information.When information of electric power in motion and the electrical network in control circuit 2, adjust protection value while mating, can think that electrical network, in safe operation state, from many-sides such as energy consumptions, can reduce the sample frequency of power information acquisition module 1.In addition, control circuit 2 adopts main control chip 7, main control chip 7 can be existing conventional integrated circuit (IC) chip, in main control chip 7, comprised FLASH ROM, governor circuit 2 can transfer to the information of electric power in motion of transmission in FLASH ROM, so that carry out follow-up fault analysis, obtain the time that reason that fault causes and fault produce.
Described power information acquisition module 1 comprises Roche mutual inductor 5 and signal processing circuit 6, and control circuit 2 comprises main control chip 7, and Roche mutual inductor 5 is connected with the AD port of main control chip 7 by signal processing circuit 6.In the embodiment of the present invention, adopt Roche mutual inductor 5 can more accurately measure the information of grid power, usually, Roche mutual inductor 5 can obtain the current information of electrical network, after conversion and processing by signal processing circuit 6, obtain the digital voltage signal that main control chip 7 can be identified, 7 pairs of voltage signals of main control chip carry out, after calculation process, can obtaining information of electric power in motion.
Described wireless data transceiver module 3 comprises radio-frequency receiving-transmitting integrated circuit 9, and described radio-frequency receiving-transmitting integrated circuit 9 is connected with crystal resonator 8, control circuit 2 and antenna 16.In the embodiment of the present invention, radio-frequency receiving-transmitting integrated circuit 9 is connected with main control chip 7, and crystal resonator 8 provides radio-frequency receiving-transmitting integrated circuit 9 required crystal oscillator, and radio-frequency receiving-transmitting integrated circuit 9 is by antenna 16 receiving and transmitting signal that is coupled.The specific implementation of radio-frequency receiving-transmitting integrated circuit 9, crystal resonator 8 is known by the art personnel, repeats no more herein.
As shown in Figure 3 and Figure 4, described control circuit 2 is positioned on circuit board 18, and described circuit board 18 is positioned at dropout shell 11; The upper cover 13 that described dropout shell 11 comprises drain pan 14 and is positioned at drain pan 14 upper ends and is connected with described drain pan 14 couplings, 14 of upper cover 13 and drain pans are formed with installation cavity 17, circuit board 18 is positioned at installation cavity 17 and is supported on drain pan 14, and circuit board 18 is electrically connected to the antenna 16 on upper cover 13 inwalls by feeder line 19.
In the embodiment of the present invention, control circuit 2 and wireless data transceiver module 3 are all positioned on circuit board 18, and signal processing circuit 6, main control chip 7 and radio-frequency receiving-transmitting integrated circuit 9 are all positioned on circuit board 18 with crystal resonator 8.
In described drain pan 14, be provided with battery 10, described battery 10 is positioned at the below of circuit board 18, and battery 10 is connected with the power end of circuit board 18.Described drain pan 14 is installed and is supported on base 15, and power information acquisition module 1 comprises Roche mutual inductor 5, and Roche mutual inductor 5 is positioned at dropout shell 11 outsides, and Roche mutual inductor 5 is electrically connected to circuit board 18 by connecting wire 12.
The present invention adopts Roche mutual inductor 5 to measure electric network information, can measure more accurately grid power information; Control circuit 2, by the storage to information of electric power in motion, can, in real time to fault data recorder, can effectively understood and analysis culprit afterwards; By wireless data transceiver module 3, realize real time data wireless transmit-receive technology, can observe on backstage on-the-spot ruuning situation; Control circuit 2 is controlled sample frequency and transmission frequency according to comparative result, can at the utmost point, in the short time, calculate fast failure message and send warning information; By to the Real-Time Monitoring of electric power cable electric current and fault analysis, guarantee that electrical network subsystem can send in advance early warning information and send in time warning information before breaking down.Owing to being independent of outside electric system, therefore can't have influence on safety and the operation of whole system.
Claims (10)
1. an intelligent wireless is threaded off, it is characterized in that: comprise for obtaining the power information acquisition module (1) of operation of power networks information, described power information acquisition module (1) is connected with the input end of control circuit (2), and control circuit (2) is connected with wireless data transceiver module (3); In control circuit (2), set in advance the electrical network protection value of adjusting, control circuit (2) obtains information of electric power in motion according to the Information Monitoring of power information acquisition module (1) transmission, and described information of electric power in motion is stored; Control circuit (2) is by the protection value comparison of adjusting of information of electric power in motion and electrical network; when information of electric power in motion and electrical network are adjusted protection value while not mating; control circuit (2) is by wireless data transceiver module (3) wireless transmission early warning information, and control circuit (2) improves the sample frequency of power information acquisition module (1) to operation of power networks information.
2. intelligent wireless according to claim 1 is threaded off, and it is characterized in that: the information of electric power in motion that described control circuit (2) obtains comprises current value, magnitude of voltage, frequency values and third harmonic.
3. intelligent wireless according to claim 1 is threaded off, it is characterized in that: the power end of described control circuit (2) is connected with power supply (4), power supply (4) also provides respectively the operating voltage of power information acquisition module (1), wireless data transceiver module (3).
4. intelligent wireless according to claim 1 is threaded off, and it is characterized in that: information of electric power in motion and electrical network are adjusted protection value while not mating, and control circuit (2) also improves the frequency that wireless data transceiver module (3) is transmitted early warning information; When information of electric power in motion and electrical network are adjusted protection value while mating, control circuit (2) reduces the sample frequency of power information acquisition module (1) to operation of power networks information.
5. intelligent wireless according to claim 1 is threaded off, it is characterized in that: described power information acquisition module (1) comprises Roche mutual inductor (5) and signal processing circuit (6), control circuit (2) comprises main control chip (7), and Roche mutual inductor (5) is connected with the AD port of main control chip (7) by signal processing circuit (6).
6. intelligent wireless according to claim 1 is threaded off, it is characterized in that: described wireless data transceiver module (3) comprises radio-frequency receiving-transmitting integrated circuit (9), described radio-frequency receiving-transmitting integrated circuit (9) is connected with crystal resonator (8), control circuit (2) and antenna (16).
7. intelligent wireless according to claim 1 is threaded off, and it is characterized in that: described wireless data transceiver module (3) transfers to early warning information in host computer with the frequency of 2.4GHz.
8. intelligent wireless according to claim 1 is threaded off, and it is characterized in that: it is upper that described control circuit (2) is positioned at circuit board (18), and described circuit board (18) is positioned at dropout shell (11); The upper cover (13) that described dropout shell (11) comprises drain pan (14) and is positioned at drain pan (14) upper end and is connected with described drain pan (14) coupling, between upper cover (13) and drain pan (14), be formed with installation cavity (17), circuit board (18) is positioned at installation cavity (17) and is supported on drain pan (14) upper, and circuit board (18) is electrically connected to the antenna (16) on upper cover (13) inwall by feeder line (19).
9. intelligent wireless according to claim 8 is threaded off, and it is characterized in that: in described drain pan (14), be provided with battery (10), described battery (10) is positioned at the below of circuit board (18), and battery (10) is connected with the power end of circuit board (18).
10. intelligent wireless according to claim 8 is threaded off, it is characterized in that: described drain pan (14) is installed and is supported on base (15), power information acquisition module (1) comprises Roche mutual inductor (5), Roche mutual inductor (5) is positioned at dropout shell (11) outside, and Roche mutual inductor (5) is electrically connected to circuit board (18) by connecting wire (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206643.1A CN103995196B (en) | 2014-05-15 | 2014-05-15 | Intelligent wireless is threaded off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206643.1A CN103995196B (en) | 2014-05-15 | 2014-05-15 | Intelligent wireless is threaded off |
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| Publication Number | Publication Date |
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| CN103995196A true CN103995196A (en) | 2014-08-20 |
| CN103995196B CN103995196B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410206643.1A Active CN103995196B (en) | 2014-05-15 | 2014-05-15 | Intelligent wireless is threaded off |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272498A (en) * | 2017-07-21 | 2017-10-20 | 华北理工大学 | A kind of intelligent electrical apparatus release based on RFID |
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| WO2011014132A1 (en) * | 2009-07-28 | 2011-02-03 | Voskar Jan | Device for automatically detecting continuity of the protective earth conductors pe and pen |
| US20110058300A1 (en) * | 2009-09-04 | 2011-03-10 | Siemens Aktiengesellschaft | Circuit breaker |
| CN201846139U (en) * | 2010-11-12 | 2011-05-25 | 黄江彬 | Wireless transmission device for fault of a low-voltage power distribution line |
| CN102866295A (en) * | 2011-07-06 | 2013-01-09 | 无锡物联网产业研究院 | Electrical signal sensing system |
| CN202856305U (en) * | 2012-09-26 | 2013-04-03 | 保定市硕成科技有限公司 | Low-voltage intelligent circuit breaker |
-
2014
- 2014-05-15 CN CN201410206643.1A patent/CN103995196B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011014132A1 (en) * | 2009-07-28 | 2011-02-03 | Voskar Jan | Device for automatically detecting continuity of the protective earth conductors pe and pen |
| US20110058300A1 (en) * | 2009-09-04 | 2011-03-10 | Siemens Aktiengesellschaft | Circuit breaker |
| CN201846139U (en) * | 2010-11-12 | 2011-05-25 | 黄江彬 | Wireless transmission device for fault of a low-voltage power distribution line |
| CN102866295A (en) * | 2011-07-06 | 2013-01-09 | 无锡物联网产业研究院 | Electrical signal sensing system |
| CN202856305U (en) * | 2012-09-26 | 2013-04-03 | 保定市硕成科技有限公司 | Low-voltage intelligent circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272498A (en) * | 2017-07-21 | 2017-10-20 | 华北理工大学 | A kind of intelligent electrical apparatus release based on RFID |
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| CN103995196B (en) | 2016-08-24 |
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