CN103995196B - Intelligent wireless is threaded off - Google Patents
Intelligent wireless is threaded off Download PDFInfo
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- CN103995196B CN103995196B CN201410206643.1A CN201410206643A CN103995196B CN 103995196 B CN103995196 B CN 103995196B CN 201410206643 A CN201410206643 A CN 201410206643A CN 103995196 B CN103995196 B CN 103995196B
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Abstract
The present invention relates to a kind of intelligent wireless thread off, it includes the power information acquisition module for obtaining operation of power networks information, and described power information acquisition module is connected with the input of control circuit, and control circuit is connected with wireless data transceiver module；Being previously provided with electrical network in control circuit to adjust protection value, control circuit obtains information of electric power in motion according to the collection information that power information acquisition module transmits, and is stored by described information of electric power in motion；Control circuit protection value of being adjusted with electrical network by information of electric power in motion compares; when information of electric power in motion adjust with electrical network protection value do not mate time; control circuit is wirelessly transferred early warning information by wireless data transceiver module, and control circuit improves the power information acquisition module sample frequency to operation of power networks information.Present configuration is compact, can be to power information detection analysis, fault pre-alarming alarm and the wireless receiving and dispatching of related data, it is ensured that power grid security reliability service.
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, it is related to that the electric power system security reliability of the public and social benefit becomes extremely important.Such as electricity substation, radio set base station, railway signal system, hospital, megastore, skyscraper etc. are required for the electric power system of high reliability.This just proposes higher reliability requirement to traditional mesolow controller switching equipment, has higher requirement the detection of grid power information and fault pre-alarming, alarm simultaneously.
In order to ensure the reliability of power system, traditional supplied for electronic system be equipped with substantial amounts of low-voltage alternating-current controller switching equipment, some be even also equipped with DC back-up power supply.These systems use Redundancy Design mostly, and the complexity of power subsystem is more and more higher, invest increasing, but but occur in that the negative effect that reliability declines on the contrary.And the crucial moment occurred in fault; the early warning of electrical network subsystem and defencive function still possibly cannot normally play a role; when even there will be a certain subsystem failures; do not give warning in advance and alert in time; subsystem not only could not be protected timely; higher level's power system is made paralysis to occur, so that power system causes huge loss on the contrary.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of intelligent wireless is threaded off, its compact conformation, can be to power information detection analysis, fault pre-alarming alarm and the wireless receiving and dispatching of related data, it is ensured that power grid security reliability service.
The technical scheme provided according to the present invention, the dropout of described intelligent wireless, including the power information acquisition module for obtaining operation of power networks information, described power information acquisition module is connected with the input of control circuit, and control circuit is connected with wireless data transceiver module；Being previously provided with electrical network in control circuit to adjust protection value, control circuit obtains information of electric power in motion according to the collection information that power information acquisition module transmits, and is stored by described information of electric power in motion；Control circuit protection value of being adjusted with electrical network by information of electric power in motion compares; when information of electric power in motion adjust with electrical network protection value do not mate time; control circuit is wirelessly transferred early warning information by wireless data transceiver module, and control circuit improves the power information acquisition module sample frequency to operation of power networks information.
The information of electric power in motion that described control circuit obtains includes current value, magnitude of voltage, frequency values and triple-frequency harmonics.
The power end of described control circuit is connected with power supply, and power supply provides the running voltage of power information acquisition module, wireless data transceiver module the most respectively.
Information of electric power in motion protection value of adjusting with electrical network is not when mating, and control circuit also improves the frequency of wireless data transceiver module transmission early warning information；When information of electric power in motion adjust with electrical network protection value mate time, control circuit reduces the power information acquisition module sample frequency to operation of power networks information.
Described power information acquisition module includes Roche transformer and signal processing circuit, and control circuit includes main control chip, and Roche transformer is connected with the AD port of main control chip by signal processing circuit.
Described wireless data transceiver module includes that radio-frequency receiving-transmitting integrated circuit, described radio-frequency receiving-transmitting integrated circuit are connected with crystal resonator, control circuit and antenna.
Early warning information is transmitted to host computer by described wireless data transceiver module with the frequency of 2.4GHz.
Described control circuit is positioned on circuit board, and described circuit board is positioned at dropout shell；Described dropout shell includes drain pan and is positioned at drain pan upper end and mates, with described drain pan, the upper cover being connected, and being formed with installation cavity between upper cover and drain pan, 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.
Being provided with battery in described drain pan, described battery is positioned at the lower section 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 includes that Roche transformer, Roche transformer are positioned at dropout housing exterior, and Roche transformer electrically connects with circuit board by connecting wire.
Advantages of the present invention: use Roche transformer to measure electric network information, it is possible to measure grid power information more accurately；Control circuit, can be in real time to fault data recorder by the storage to information of electric power in motion, it is possible to understands afterwards effective and analyze cause of accident；Real time data wireless transmit-receive technology is realized, it is possible to observe the ruuning situation at scene on backstage by wireless data transceiver module；Control circuit controls sample frequency and transmission frequency according to comparative result, it is possible to quickly calculates fault message in very short time and sends warning information；By monitoring and accident analysis in real time to electric power cable electric current, it is ensured that electrical network subsystem can send early warning information before breaking down in advance and send warning information in time.Outside independent of power system, therefore can't have influence on safety and the operation of whole system.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention.
Fig. 2 be the present invention be embodied as block diagram.
Fig. 3 is the structural representation of the present invention.
Fig. 4 is the A-A sectional 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 transformer, 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.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2: in order to enable power information detection analysis, fault pre-alarming alarm and the wireless receiving and dispatching of related data, guarantee power grid security reliability service, the present invention includes the power information acquisition module 1 for obtaining operation of power networks information, described power information acquisition module 1 is connected with the input of control circuit 2, and control circuit 2 is connected with wireless data transceiver module 3；Being previously provided with electrical network in control circuit 2 to adjust protection value, control circuit 2 obtains information of electric power in motion according to the collection information that power information acquisition module 1 transmits, and is stored by described information of electric power in motion；Control circuit 2 protection value of being adjusted with electrical network by information of electric power in motion compares; when information of electric power in motion adjust with electrical network protection value do not mate time; control circuit 2 is wirelessly transferred early warning information by wireless data transceiver module 3, and control circuit 2 improves the power information acquisition module 1 sample frequency to operation of power networks information.
Specifically; the electrical network pre-set in control circuit 2 protection value of adjusting is the protection value that international standard is adjusted; control circuit 2 information of electric power in motion obtained and electrical network adjusted protection value compare time; information of electric power in motion protection value of adjusting with electrical network is mated and is referred to that the value of information of electric power in motion is positioned at electrical network and adjusts in the range of protection value, information of electric power in motion adjust with electrical network protection value do not mate refer to the value of information of electric power in motion be positioned at electrical network adjust protection value scope outside；When information of electric power in motion be positioned at electrical network adjust in the range of protection value time, the difference that information of electric power in motion is adjusted with electrical network between parameter corresponding to protection value is less, when information of electric power in motion be positioned at electrical network adjust the scope of protection value outer time, the difference that information of electric power in motion is adjusted with electrical network between the corresponding parameter of protection value is bigger, control circuit 2 can determine whether malfunction according to above-mentioned comparative result, when break down state time, control circuit 2 is transmitted early warning information by wireless data transceiver module 3, staff can gather effective measures after receiving early warning information in time, improve safety and the reliability of operation of power networks.
The information of electric power in motion that described control circuit 2 obtains includes current value, magnitude of voltage, frequency values and triple-frequency harmonics.In the embodiment of the present invention, power information acquisition module 1 detection obtains the current value of 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, i.e. according to obtaining current value, magnitude of voltage, frequency values and triple-frequency harmonics value etc. after magnitude of voltage computing, it is known to those skilled in the art that control circuit 2 computing obtains the technological means of information of electric power in motion, 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 adjusted with international standard by the type in information of electric power in motion is carried out one_to_one corresponding and compares.
The power end of described control circuit 2 is connected with power supply 4, and power supply 4 provides power information acquisition module 1, the running voltage of wireless data transceiver module 3 the most respectively.In the embodiment of the present invention, power supply 4 can use battery 10, described battery 10 can use disposable High Temperature Lithium Cell, be provided the running voltage of whole dropout by battery 10.
Early warning information is transmitted to host computer by described wireless data transceiver module 3 with the frequency of 2.4GHz；Wireless data transceiver module 3 is by early warning information transmission to host computer, to realize the running status of remote reviewing electrical network, in the specific implementation, early warning information can be sent to host computer by wireless data transceiver module 3 with other wireless forms, wireless data transceiver module 3 uses the wireless transmission of other forms to be that known to those skilled in the art, here is omitted.
Further, information of electric power in motion protection value of adjusting with electrical network is not when mating, and control circuit 2 also improves wireless data transceiver module 3 and transmits the frequency of early warning information；When information of electric power in motion adjust with electrical network protection value mate time, control circuit 2 reduces the power information acquisition module 1 sample frequency to operation of power networks information.Control circuit 2 improves wireless data transceiver module 3 and transmits the frequency of early warning information, in order to upper function receives early warning information more timely and effectively such that it is able to adopt an effective measure according to early warning information.When information of electric power in motion adjust with the electrical network in control circuit 2 protection value mate time, then it is believed that electrical network is in safe operation state, from many-sides such as energy consumptions, the sample frequency of power information acquisition module 1 can be reduced.In addition, control circuit 2 uses main control chip 7, main control chip 7 can be existing conventional IC chip, FLASH ROM is contained in main control chip 7, governor circuit 2 can be by the information of electric power in motion transmission of transmission to FLASH ROM, so that carrying out follow-up accident analysis, obtain reason and the time of fault generation that fault causes.
Described power information acquisition module 1 includes Roche transformer 5 and signal processing circuit 6, and control circuit 2 includes that main control chip 7, Roche transformer 5 are connected with the AD port of main control chip 7 by signal processing circuit 6.In the embodiment of the present invention, Roche transformer 5 is used can more accurately to measure the information of grid power, usually, Roche transformer 5 can obtain the current information of electrical network, after the conversion of signal processing circuit 6 and processing, obtain the digital voltage signal that main control chip 7 can identify, after main control chip 7 carries out calculation process to voltage signal, information of electric power in motion can be obtained.
Described wireless data transceiver module 3 includes that radio-frequency receiving-transmitting integrated circuit 9, described radio-frequency receiving-transmitting integrated circuit 9 are 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 the crystal oscillator needed for radio-frequency receiving-transmitting integrated circuit 9, and radio-frequency receiving-transmitting integrated circuit 9 carries out coupling receiving and transmitting signal by antenna 16.Radio-frequency receiving-transmitting integrated circuit 9, crystal resonator 8 be implemented as known to those skilled in the art, here is omitted.
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；Described dropout shell 11 includes drain pan 14 and is positioned at drain pan 14 upper end and mates, with described drain pan 14, the upper cover 13 being connected, installation cavity 17 it is formed with between upper cover 13 and drain pan 14, circuit board 18 is positioned at installation cavity 17 and is supported on drain pan 14, and circuit board 18 is electrically connected with the antenna 16 on upper cover 13 inwall by feeder line 19.
In the embodiment of the present invention, control circuit 2 and wireless data transceiver module 3 are respectively positioned on circuit board 18, i.e. signal processing circuit 6, main control chip 7 and radio-frequency receiving-transmitting integrated circuit 9 is respectively positioned on circuit board 18 with crystal resonator 8.
Being provided with battery 10 in described drain pan 14, described battery 10 is positioned at the lower section 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 it is outside that power information acquisition module 1 includes that Roche transformer 5, Roche transformer 5 are positioned at dropout shell 11, and Roche transformer 5 electrically connects with circuit board 18 by connecting wire 12.
The present invention uses Roche transformer 5 to measure electric network information, it is possible to measure grid power information more accurately；Control circuit 2, can be in real time to fault data recorder by the storage to information of electric power in motion, it is possible to understands afterwards effective and analyze cause of accident；Real time data wireless transmit-receive technology is realized, it is possible to observe the ruuning situation at scene on backstage by wireless data transceiver module 3；Control circuit 2 controls sample frequency and transmission frequency according to comparative result, it is possible to quickly calculates fault message in very short time and sends warning information；By monitoring and accident analysis in real time to electric power cable electric current, it is ensured that electrical network subsystem can send early warning information before breaking down in advance and send warning information in time.Outside independent of power system, therefore can't have influence on safety and the operation of whole system.
Claims (7)
1. an intelligent wireless is threaded off, it is characterized in that: include the power information acquisition module (1) for obtaining operation of power networks information, described power information acquisition module (1) is connected with the input of control circuit (2), and control circuit (2) is connected with wireless data transceiver module (3)；Being previously provided with electrical network in control circuit (2) to adjust protection value, control circuit (2) obtains information of electric power in motion according to the collection information that power information acquisition module (1) transmits, and is stored by described information of electric power in motion；Control circuit (2) protection value of being adjusted with electrical network by information of electric power in motion compares; when information of electric power in motion adjust with electrical network protection value do not mate time; control circuit (2) is wirelessly transferred early warning information by wireless data transceiver module (3), and control circuit (2) improves the power information acquisition module (1) sample frequency to operation of power networks information；
Described control circuit (2) is positioned on circuit board (18), and described circuit board (18) is positioned at dropout shell (11)；Described dropout shell (11) includes drain pan (14) and is positioned at drain pan (14) upper end and mates, with described drain pan (14), the upper cover (13) being connected, installation cavity (17) it is formed with between upper cover (13) and drain pan (14), circuit board (18) is positioned at installation cavity (17) and is supported on drain pan (14), and circuit board (18) is electrically connected with the antenna (16) on upper cover (13) inwall by feeder line (19)；
Being provided with battery (10) in described drain pan (14), described battery (10) is positioned at the lower section 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), power information acquisition module (1) includes Roche transformer (5), it is outside that Roche transformer (5) is positioned at dropout shell (11), and Roche transformer (5) electrically connects with circuit board (18) by connecting wire (12).
Intelligent wireless the most 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 includes current value, magnitude of voltage, frequency values and triple-frequency harmonics.
Intelligent wireless the most according to claim 1 is threaded off, and it is characterized in that: the power end of described control circuit (2) is connected with power supply (4), and power supply (4) provides power information acquisition module (1), the running voltage of wireless data transceiver module (3) the most respectively.
Intelligent wireless the most according to claim 1 is threaded off, and it is characterized in that: information of electric power in motion protection value of adjusting with electrical network is not when mating, and control circuit (2) also improves wireless data transceiver module (3) and transmits the frequency of early warning information；When information of electric power in motion adjust with electrical network protection value mate time, control circuit (2) reduces the power information acquisition module (1) sample frequency to operation of power networks information.
Intelligent wireless the most according to claim 1 is threaded off, it is characterized in that: described power information acquisition module (1) includes Roche transformer (5) and signal processing circuit (6), control circuit (2) includes main control chip (7), and Roche transformer (5) is connected with the AD port of main control chip (7) by signal processing circuit (6).
Intelligent wireless the most according to claim 1 is threaded off, it is characterized in that: described wireless data transceiver module (3) includes that radio-frequency receiving-transmitting integrated circuit (9), described radio-frequency receiving-transmitting integrated circuit (9) are connected with crystal resonator (8), control circuit (2) and antenna (16).
Intelligent wireless the most according to claim 1 is threaded off, and it is characterized in that: early warning information is transmitted to host computer by described wireless data transceiver module (3) with the frequency of 2.4GHz.
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| 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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| CN201410206643.1A CN103995196B (en) | 2014-05-15 | 2014-05-15 | Intelligent wireless is threaded off |
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| CN103995196A CN103995196A (en) | 2014-08-20 |
| CN103995196B true CN103995196B (en) | 2016-08-24 |
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| CN201410206643.1A Active CN103995196B (en) | 2014-05-15 | 2014-05-15 | Intelligent wireless is threaded off |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107272498A (en) * | 2017-07-21 | 2017-10-20 | 华北理工大学 | A kind of intelligent electrical apparatus release based on RFID |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK5538Y1 (en) * | 2009-07-28 | 2010-10-07 | Jan Voskar | Device for automatic continuity measuring of protective conductor PEN a PE |
| DE102009040692B4 (en) * | 2009-09-04 | 2019-03-21 | Siemens Aktiengesellschaft | breakers |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN103995196A (en) | 2014-08-20 |
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