CN108092411A - A kind of monitor control system - Google Patents
A kind of monitor control system Download PDFInfo
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- CN108092411A CN108092411A CN201810066289.5A CN201810066289A CN108092411A CN 108092411 A CN108092411 A CN 108092411A CN 201810066289 A CN201810066289 A CN 201810066289A CN 108092411 A CN108092411 A CN 108092411A
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- module
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- switch
- breaker
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
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- 230000002265 prevention Effects 0.000 claims description 8
- 238000001727 in vivo Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 6
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- 238000009434 installation Methods 0.000 description 2
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- 238000009529 body temperature measurement Methods 0.000 description 1
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Classifications
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- H02J13/0075—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of monitor control systems, belong to technical field of electric equipment.The monitor control system includes：At least one JP cabinets and monitor terminal, each JP cabinets include：Control module, communicator, Current Voltage detection module, breaker, locating module and temperature sensor.Breaker includes：Switch, the contacting controling circuit with the sub-gate control circuit of switch connection and with switch connection.Sub-gate control circuit, contacting controling circuit, communicator, Current Voltage detection module, temperature sensor and locating module are connected with control module, and communicator is coupled with monitor terminal.The monitor control system monitors the power quality and operating status of each JP cabinets in real time by monitor terminal, accomplishes to find in advance in the event of failure；Simultaneously after the breaker overload trip of each JP cabinets can automatic closing, so as to avoid needing electrician to close a floodgate by hand to scene repeatedly in the case where there are overload situations, be greatly saved manpower and materials, improve power supply efficiency.
Description
Technical field
The invention belongs to technical field of electric equipment, and in particular to a kind of monitor control system.
Background technology
JP cabinets be adapt to the standardization of countryside low-voltage electric distribution device, miniaturization, the requirement of outdoor type and the distribution that designs becomes
Depressor comprehensive distribution cabinet；It integrates the functions such as distribution, metering, protection.In order to avoid the equipment in JP cabinets break down into
And short circuit triggers the generation of the situations such as fire, JP cabinets are fitted with breaker, to ensure Electrical Safety.Breaker is pacified as electricity consumption
Important Components in complete can automatically cut off electric current after electric current is more than escape setting.After breaker overload trip, protect
After gate-dividing state is held, it is necessary to which electrician investigates failure to scene, can close a floodgate, can the work of extreme influence power station efficiency.
The content of the invention
In consideration of it, it is an object of the invention to provide a kind of monitor control system, to effectively improve the above problem.
What the embodiment of the present invention was realized in：
An embodiment of the present invention provides a kind of monitor control system, including：At least one JP cabinets and monitor terminal, Mei Gesuo
Stating JP cabinets includes：Babinet and be arranged at the control module of box house, communicator, Current Voltage detection module, breaker,
Locating module and temperature sensor.The breaker includes：Switch, with it is described switch connect sub-gate control circuit and with it is described
Switch the contacting controling circuit of connection.The sub-gate control circuit, the contacting controling circuit, the communicator, the electricity
Stream voltage detection module, the temperature sensor and the locating module are connected with the control module, the communicator
It is coupled with the monitor terminal.The Current Voltage detection module is used to detect the voltage and electricity in transformer secondary survey line road
Stream, and the electric current of detection and information of voltage are transferred to the control module.The temperature sensor is used to detect outlet cable
The temperature value of connector, and the temperature value is transferred to the control module.It is described when the breaker is in "on" position
Control module controls the sub-gate control circuit to make described open when the temperature value or voltage value or current value are more than preset value
It closes from the state of closing and is adjusted to disengaged position, and then the breaker is made to be in gate-dividing state；And it is in the breaker
During the gate-dividing state, the control module controls the control of closing a floodgate when receiving the combined floodgate request that the monitor terminal is sent
Circuit processed makes the switch be adjusted to described from the disengaged position to close state, and then the breaker is made to be in the combined floodgate
State.
In optional embodiment of the present invention, each JP cabinets, which further include, is arranged at the in vivo reactive power of the case
Compensation circuit, the reactive power compensation circuit use capacitor grouping switching compensation way, and the control module is according to transformation
Capacitor in the reactive power compensation circuit being put into or cut off in power grid by the reactive power selectivity of the secondary survey of device, from
And achieve the purpose that reactive-load compensation.
In optional embodiment of the present invention, each JP cabinets, which further include, is arranged at the in vivo fire prevention mould of the case
Block, the fire prevention module include：Smoke inductor and automatic fire extinguisher, the smoke inductor and the automatic fire extinguisher
It is connected with the control module, wherein, the automatic fire extinguisher is dry powder extinguisher.
In optional embodiment of the present invention, the sub-gate control circuit includes：First control circuit and buckle releaser, it is described
First control circuit is connected respectively with the control module and the buckle releaser, and the buckle releaser is connected with the switch, described
First control circuit includes：First switch pipe and fairing, first end and the control module of the first switch pipe connect
It connects, the second end of the first switch pipe is connected with the fairing, and the fairing is connected with the buckle releaser, described
Control module controls the buckle releaser that the switch is made to be adjusted from state of closing by controlling the conducting of the first switch pipe
For disengaged position opening a sluice gate so as to fulfill the breaker.
In optional embodiment of the present invention, the first control circuit further includes：First protection circuit, described first protects
Protection circuit is connected with the first end of the first switch pipe, for protecting the first switch pipe.
In optional embodiment of the present invention, the first protection circuit includes：First resistor and the first capacitance, described
One resistance and first capacitance are in parallel, and one end of the first resistor is connected with the first end of the first switch pipe, described
The other end ground connection of first resistor.
In optional embodiment of the present invention, the contacting controling circuit includes：Second control circuit and motor, described
Two control circuits are connected respectively with the control module and the motor, and the motor is connected with the switch, second control
Circuit processed includes：Second switch pipe and relay, the first end of the second switch pipe are connected with the control module, and described
The second end of two switching tubes is connected with the coil of the relay, and the normally opened contact of the relay is connected with the motor, institute
The common of relay is stated for being connected with power supply, the control module is controlled by controlling the conducting of the second switch pipe
It makes the common to turn on the normally opened contact, so as to which the motor rotation be driven to make the switch from the disengaged position
It is adjusted to described and closes state, and then realize the combined floodgate of the breaker.
In optional embodiment of the present invention, the second control circuit further includes：First protection circuit, described first protects
Protection circuit is connected with the first end of the second switch pipe, for protecting the second switch pipe.
In optional embodiment of the present invention, the first protection circuit includes：Second resistance and the second capacitance, described
Two resistance and second capacitance are in parallel, and one end of the second resistance is connected with the first end of the second switch pipe, described
The other end ground connection of second resistance.
In optional embodiment of the present invention, the communicator includes：Wireless communication module, the wireless communication module
For NB-IoT modules, LoRa modules, WiFi module, ZigBee module, 3G module or 4G modules.
Monitor control system provided in an embodiment of the present invention, including：At least one JP cabinets and monitor terminal.Each JP
Cabinet includes：Babinet and it is arranged at the control module of box house, communicator, Current Voltage detection module, breaker, positioning
Module and temperature sensor.The breaker includes：Switch, with it is described switch connection sub-gate control circuit and with the switch
The contacting controling circuit of connection.The sub-gate control circuit, the contacting controling circuit, the communicator, electric current electricity
Pressure detection module, the temperature sensor and the locating module are connected with the control module, the communicator and institute
State monitor terminal coupling.The voltage and current in transformer secondary survey line road is sampled using Current Voltage detection module,
And using the temperature value at temperature sensor detection outlet cable connector, when breaker is in "on" position, to control
For module when temperature value or voltage value or current value are more than preset value, control sub-gate control circuit makes switch be adjusted from state of closing
For disengaged position, and then breaker is made to be in gate-dividing state, to ensure Electrical Safety；Meanwhile control module is also by voltage, electricity
The geographical location information that stream, temperature and locating module are got is sent to monitor terminal through communicator, to monitor in real time
The power quality and operating status of current JP cabinets, accomplish to find in advance in the event of failure, advanced processing avoids fault spread；In addition,
When breaker is in gate-dividing state, control module controls shutting-brake control electricity when receiving the combined floodgate request of monitor terminal transmission
Road makes switch be adjusted to the state of closing from disengaged position, and then breaker is made to be in "on" position, so as to avoid overloading
In the case of need electrician repeatedly to scene by hand close a floodgate, be greatly saved manpower and materials, improve power supply efficiency.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that understood by implementing the embodiment of the present invention.The purpose of the present invention and other advantages can be by being write
Specifically noted structure is realized and obtained in specification, claims and attached drawing.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will become apparent from.In whole
Identical reference numeral indicates identical part in attached drawing.Deliberately attached drawing, emphasis are not drawn by actual size equal proportion scaling
It is the purport for showing the present invention.
Fig. 1 shows a kind of interaction schematic diagram of monitor control system provided in an embodiment of the present invention.
Fig. 2 shows a kind of module diagram for JP cabinets that first embodiment of the invention provides.
Fig. 3 shows a kind of module diagram of breaker provided in an embodiment of the present invention.
Fig. 4 shows the structure diagram of sub-gate control circuit provided in an embodiment of the present invention.
Fig. 5 shows the circuit diagram of first control circuit provided in an embodiment of the present invention.
Fig. 6 shows the structure diagram of contacting controling circuit provided in an embodiment of the present invention.
Fig. 7 shows the circuit diagram of second control circuit provided in an embodiment of the present invention.
Fig. 8 shows a kind of module diagram for JP cabinets that second embodiment of the invention provides.
Fig. 9 shows the control of reactive power compensating schematic diagram provided in an embodiment of the present invention.
Icon：100- monitor control systems；10-JP cabinets；11- Current Voltage detection modules；12- temperature sensors；
13- breakers；131- sub-gate control circuits；1311- first control circuits；13111- first switch pipes；13112- rectifications
Device；13113- first protects circuit；1312- buckle releasers；132- contacting controling circuits；1321- second control circuits；
13211- second switch pipes；13212- relays；13213- second protects circuit；1322- motors；133- is switched；14-
Control module；15- communicators；16- locating modules；17- reactive power compensation circuits；18- fire prevention modules；181- cigarettes
Mist inductor；182- automatic fire extinguishers；20- monitor terminals.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can configure to arrange and design with a variety of.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " interior ",
The orientation or position relationship of instructions such as " outer " are to be used based on orientation shown in the drawings or position relationship or the invention product
When the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this
The limitation of invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or dark
Show relative importance.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
It connects body；It can also be electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
Connection inside element.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
Referring to Fig. 1, Fig. 1 is a kind of interaction schematic diagram of monitor control system 100 provided in an embodiment of the present invention.The prison
Surveying control system 100 includes：Monitor terminal 20 and at least one JP cabinets 10.In the present embodiment, the quantity of JP cabinets 10 is at least one
A, each JP cabinets 10 carry out data interaction by network and monitor terminal 20, for example, each JP cabinets 10 are by the wattful power of itself
The information such as rate, reactive power, power factor, temperature information, location information are transferred to monitor terminal 20, so that administrative staff are long-range
It checks the real time data of each JP cabinets 10, knows the power quality and operating status of each JP cabinets 10, accomplish to find in advance, in advance
Processing, avoids fault spread from causing more to lose.Wherein, in embodiments of the present invention, the monitor terminal 20 can be but not
It is limited to mobile phone or computer etc..
As an alternative embodiment, as shown in Fig. 2, each JP cabinets 10 include：Babinet (not shown) and setting
In the control module 14 of box house, communicator 15, Current Voltage detection module 11, breaker 13, locating module 16 and temperature
Spend sensor 12.
The Current Voltage detection module 11 is connected with the control module 14, for detecting transformer secondary survey line road
Voltage and current in (major loop in JP cabinets 10), and the electric current of detection and information of voltage are transferred to the control module 14.
Further, which includes：Current transformer and voltage transformer.Current transformer becomes for detecting
Current information in the secondary survey line road of depressor, voltage transformer are used to detect the information of voltage in transformer secondary survey line road.Its
In, the quantity of current transformer and the number of phases of power grid match, for example, when power grid is 4 line of three-phase, i.e. A phase, B phase, C phase
During with N lines, the quantity of current transformer is 3, detects the electric current of each phase respectively；It is similar, the quantity of voltage transformer also with
The number of phases of power grid matches, for example, when power grid is 4 line of three-phase, the quantity of voltage transformer is 3, detects each phase respectively
Voltage.
The temperature sensor 12 is connected with the control module 14, for detecting the temperature value of outlet cable connector, and
The temperature value is transferred to the control module 14.Further, passed in main busbar with there is reload temperature on cable connector
Sensor 12, to detect the temperature value at these positions in real time.Wherein, which can often use on the market at present
Temperature measurement component, for example, the chip of DS18B20 series can be selected.
The breaker 13 is connected with the control module 14, breaker 13 as the Important Components in Electrical Safety,
It can automatically cut off electric current after curtage is more than escape setting.Breaker 13 employed in the present embodiment is that possess
The breaker 13 of automatic reclosing function, further, as shown in figure 3, the breaker 13 includes：Sub-gate control circuit 131 closes
Lock control circuit 132 and switch 133.The sub-gate control circuit 131 and the contacting controling circuit 132 with the switch
133 connections by controlling the state of switch 133, that is, realize the separating brake or combined floodgate of breaker 13.
Wherein, the sub-gate control circuit 131 is used to make the switch 133 from closing shape according to the control of control module 14
State is adjusted to disengaged position and is opened a sluice gate so as to fulfill the breaker 13.As shown in Figure 4.The sub-gate control circuit 131 includes：The
One control circuit 1311 and buckle releaser 1312.
The first control circuit 1311 is connected respectively with the control module 14 and the buckle releaser 1312, the dropout
Device 1312 is connected with the switch 133.In this present embodiment, the first control circuit 1311 includes：First switch pipe
13111st, fairing 13112 and first protects circuit 13113.
The first end of the first switch pipe 13111 is connected with the control module 14, the first switch pipe 13111
Second end is connected with the fairing 13112, and the fairing 13112 is connected with the buckle releaser 1312, the control
Module 14 controls the buckle releaser 1312 to make the switch 133 from conjunction by controlling the conducting of the first switch pipe 13111
Upper state is adjusted to disengaged position and is opened a sluice gate so as to fulfill the breaker 13.In this present embodiment, as shown in Figure 5, it is preferable that
The first switch pipe 13111 is NPN type triode Q1, and the fairing 13112 is rectifier diode D1, the triode Q1
Base stage be connected with the control module 14, further, the base stage of triode Q1 also passes through a current-limiting resistance and control mould
Block 14 connects, the emitter ground connection of the triode Q1, the sun of the collector of the triode Q1 and the rectifier diode D1
Extreme connection.In addition, the both ends of the rectifier diode D1 are connected with buckle releaser 1312.
Wherein, in order to avoid first switch pipe 13111 damages, which opens with described first
Close the first end connection of pipe 13111, further, the base stage of the first protection circuit 13113 and the first switch pipe 13111
End connection.In the present embodiment, as shown in figure 5, the first protection circuit 13113 includes：First resistor R1 and the first capacitance C1.Institute
First resistor R1 and the first capacitance C1 parallel connections are stated, one end of the first resistor R1 and the base stage of the triode Q2 connect
It connects, the other end ground connection of the first resistor R1.First capacitance C1 can effectively prevent voltage jump, absorb the mistake of kurtosis
Voltage, and first resistor R1 can play damping action, consume the energy of overvoltage, so as to the vibration of suppression circuit, in addition, should
First resistor R1 also absorbs the electric energy of the first capacitance C1, and the discharge current for preventing first capacitance C1 is excessive, avoids opening first
Pipe 13111 is closed to cause to damage.
Wherein, the J1 in Fig. 5 is used to be connected with buckle releaser 1312 for buckle releaser plug.
The contacting controling circuit 132 is used to make the switch 133 from the disengaging according to the control of control module 14
State is adjusted to described and closes state, and then realizes the combined floodgate of the breaker 13.As shown in Figure 6.The contacting controling circuit
132 include：Second control circuit 1321 and motor 1322.
The second control circuit 1321 is connected respectively with the control module 14 and the motor 1322, the motor
1322 are connected with the switch 133, and in this present embodiment, the second control circuit 1321 includes：Second switch pipe 13211,
Relay 13212 and second protects circuit 13213.
The first end of the second switch pipe 13211 is connected with the control module 14, the second switch pipe 13211
Second end is connected with the coil of the relay 13212, and the normally opened contact of the relay 13212 connects with the motor 1322
It connects, the common of the relay 13212 with power supply for being connected, and the control module 14 is by controlling the second switch
The conducting of pipe 13211 controls the common to be turned on the normally opened contact, so as to which the rotation of motor 1322 be driven to make
The switch 133 is adjusted to described from the disengaged position and closes state, and then realizes the combined floodgate of the breaker 13.Yu Benshi
Apply in example, as shown in Figure 7, it is preferable that the second switch pipe 13211 be NPN type triode Q2, the base stage of the triode Q2 with
The control module 14 connects, and further, the base stage of triode Q2 is also connected by a current-limiting resistance with control module 14,
The emitter ground connection of the triode Q2, the collector of the triode Q2 are connected with the coil of the relay 13212.
Wherein, in order to avoid second switch pipe 13211 damages, which opens with described second
Close the first end connection of pipe 13211, further, the base stage of the second protection circuit 13213 and the second switch pipe 13211
End connection.In the present embodiment, as shown in fig. 7, the second protection circuit 13213 includes：Second resistance R2 and the second capacitance C2,
Principle is identical with the principle of the first protection circuit 13113, no longer burdensome herein.
Wherein, the J2 in Fig. 7 is motor plug, for being connected with motor 1322.
The control module 14 is also connected with communicator 15 and locating module 16 respectively, which is used to determine
What location information, the temperature information of the transmission of temperature sensor 12 and the Current Voltage detection module 11 that position module 16 is transmitted transmitted
Voltage and current information is sent to monitor terminal 20 by communicator 15, so that monitor terminal 20 can be according to the electricity got
Pressure and current information calculate the real-time active and reactive power of corresponding JP cabinets 10, power factor, active reactive electricity
Etc. data；And then it goes to control the operating status of corresponding JP cabinets 10 and the electric energy matter of adjustment JP cabinets 10 using these data as foundation.
In addition, when the breaker 13 is in "on" position, the control module 14 is in the temperature value or voltage value or current value
During more than preset value, control the sub-gate control circuit 131 that the switch 133 is made to be adjusted to disengaged position from the state of closing, into
And the breaker 13 is made to be in gate-dividing state；And when the breaker 13 is in the gate-dividing state, the control mould
Block 14 controls the contacting controling circuit 132 to make the switch when receiving the combined floodgate request that the monitor terminal 20 is sent
133 are adjusted to described from the disengaged position closes state, and then the breaker 13 is made to be in the "on" position.
Wherein it is possible to understand, active, nothing is obtained by gathering voltage and the electric current of each phase of Circuit Fault on Secondary Transformer
The data such as work(power, power factor, active reactive electricity can also be realized by control module 14, i.e. 14 basis of control module
The voltage and current information of each phase of Circuit Fault on Secondary Transformer, calculate the active and reactive power of JP cabinets 10, and power factor is active
Then the data being calculated are being transferred to monitor terminal 20 by the data such as capacity of idle power by communicator 15.
Wherein, the control module 14 can be a kind of IC chip, have the processing capacity of signal.Above-mentioned control
Molding block 14 can be general processor, including central processing unit (Central Processing Unit, CPU), network processes
Device (Network Processor, NP) etc.；Can also be digital signal processor (Digital Signal Processing,
DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate
Array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystal
Pipe logical device, discrete hardware components.General processor can be microprocessor or the control module 14 can also be any
Conventional processor etc..In this present embodiment, it is preferable that the control module 14 can be the processor of STM32 series, such as
The models such as STM32F103C8T6, STM32F103VET6.
The communicator 15 is used to implement the communication of control module 14 and monitor terminal 20, further, communication dress
It puts the information such as 15 voltage, electric current, temperature, the positions that control module 14 can be transmitted and is transferred to control terminal；It simultaneously can also
The control instruction that control terminal is sent, such as reclosing command are sent to control module 14.As a kind of embodiment, the communication
Device 15 includes：Wireless communication module.Wherein, the wireless communication module for NB-IoT modules, LoRa modules, WiFi module,
ZigBee module, 3G module, 4G modules or other possess the device of wireless transmission function.For example, selection SIM6320C,
The 3G module of the models such as CEM631, CEM600, WIDEM8800, FWP103, K3G, WM9881.
In order to realize positioning, which further includes locating module 16, which is used in real time will be residing for itself
Geographical location information be transferred to control module 14.The locating module 16 can be the position indicator based on GPS positioning system, can be with
It is the position indicator based on Beidou satellite navigation system.
As another embodiment, as shown in figure 8, each JP cabinets 10 further include：It is arranged at the in vivo nothing of the case
Reactive power compensator circuit 17 and fire prevention module 18, i.e., each JP cabinets 10 include：Babinet and the control mould for being arranged at box house
Block 14, communicator 15, Current Voltage detection module 11, breaker 13, locating module 16,12 reactive power of temperature sensor are mended
Repay circuit 17 and fire prevention module 18.
In order to avoid burden, it is described below just for different parts, in the present embodiment, the reactive power compensation
Circuit 17 is connected with the control module 14, which uses capacitor grouping switching compensation way, adopts
Switching cycle is realized with fling-cut switch 133, first throws and first cuts, and is calculated by gathering the voltage and current of Circuit Fault on Secondary Transformer
Reactive power, active power and/or power factor (PF) as control reactive power compensation circuit 17 capacitor switching judgement
Foundation.Further, as shown in figure 9, Circuit Fault on Secondary Transformer sample respectively each phase current, voltage be sent into control module 14 carry out
It calculates, to obtain the data such as the active and reactive power that transformer secondary surveys each phase, power factor, active reactive electricity, and with this
For foundation, when the reactive power calculated is less than preset value, the grouping switching that capacitor is carried out to every phase controls, i.e., described control
The reactive power selectivity that molding block 14 is surveyed according to transformer secondary by 1 in the reactive power compensation circuit 17 to n groups
Capacitor puts into or cuts off in power grid, so as to achieve the purpose that reactive-load compensation.
Wherein, it is necessary to which explanation, the basic principle of reactive-load compensation are：Device and inductive load with capacitive load
Device and be connected in same circuit, energy is exchanged with each other between both loads.So required nothing of inductive load
The reactive power in-situ that work(power can be exported by capacitive load compensates, and no longer long-distance sand transport is needed to compensate.
The fire prevention module 18 is connected with the control module 14, for when fire occurs in JP cabinets 10, putting out a fire in time,
The condition of a disaster is avoided further to expand.Further, which includes：Smoke inductor 181 and automatic fire extinguisher 182.
The smoke inductor 181 is connected with the control module 14, for detecting the smokescope of JP cabinets 10 letter in real time
Breath.The smoke inductor 181 can be the device for possessing smoke sensing function often used on the market at present, for example, HIS-07
Or NIS-07 type smoke sensor devices.
The automatic fire extinguisher 182 is connected with the control module 14, for being carried out according to the control of control module 14
Fire extinguishing.Further, when the smokescope judged in control module 14 in current JP cabinets 10 is more than preset value, control is gone out automatically
Fiery device 182 starts, meanwhile, control module 14 is by current smokescope information and default warning message through communicator 15
Monitor terminal 20 is sent to, so that staff checks circuit damaged condition and sweeps the in vivo dry powder of case, if it is putting out a fire
It when unsuccessful, can also note abnormalities in time, implement the second wheel fire extinguishing.In addition, judge in control module 14 in current JP cabinets 10
Smokescope be more than preset value when, control module 14 control breaker 13 be in gate-dividing state.Wherein, the self-extinguishing dress
182 are put as dry powder extinguishing installation.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of monitor control system, which is characterized in that including：At least one JP cabinets and monitor terminal, each JP cabinets are equal
Including：Babinet and it is arranged at the control module of box house, communicator, Current Voltage detection module, breaker, locating module
And temperature sensor；The breaker includes：Switch is connected with the sub-gate control circuit of the switch connection and with the switch
Contacting controling circuit；The sub-gate control circuit, the contacting controling circuit, the communicator, Current Voltage inspection
It surveys module, the temperature sensor and the locating module to be connected with the control module, the communicator and the prison
Control terminal couples；
The Current Voltage detection module is used to detecting voltage and current in transformer secondary survey line road, and by the electric current of detection
The control module is transferred to information of voltage；
The temperature sensor is used to detect the temperature value of outlet cable connector, and the temperature value is transferred to the control mould
Block；
When the breaker is in "on" position, the control module is more than pre- in the temperature value or voltage value or current value
If it during value, controls the sub-gate control circuit that the switch is made to be adjusted to disengaged position from the state of closing, and then makes the open circuit
Device is in gate-dividing state；And when the breaker is in the gate-dividing state, the control module is receiving the prison
Control the contacting controling circuit that the switch is made to be adjusted to described from the disengaged position during combined floodgate request that control terminal is sent
State is closed, and then the breaker is made to be in the "on" position.
2. monitor control system according to claim 1, which is characterized in that each JP cabinets, which further include, is arranged at institute
The in vivo reactive power compensation circuit of case is stated, the reactive power compensation circuit uses capacitor grouping switching compensation way, institute
State the reactive power selectivity that control module is surveyed according to transformer secondary by the capacitor in the reactive power compensation circuit
In input or excision power grid, so as to achieve the purpose that reactive-load compensation.
3. monitor control system according to claim 1, which is characterized in that each JP cabinets, which further include, is arranged at institute
The in vivo fire prevention module of case is stated, the fire prevention module includes：Smoke inductor and automatic fire extinguisher, the smoke inductor and
The automatic fire extinguisher is connected with the control module, wherein, the automatic fire extinguisher is dry powder extinguisher.
4. according to claim 1-3 any one of them monitor control systems, which is characterized in that the sub-gate control circuit bag
It includes：First control circuit and buckle releaser, the first control circuit are connected respectively with the control module and the buckle releaser, institute
It states buckle releaser to connect with the switch, the first control circuit includes：First switch pipe and fairing, the first switch
The first end of pipe is connected with the control module, and the second end of the first switch pipe is connected with the fairing, described whole
Stream device is connected with the buckle releaser, and the control module controls the dropout by controlling the conducting of the first switch pipe
Device makes the switch be adjusted to disengaged position from the state of closing and opened a sluice gate so as to fulfill the breaker.
5. monitor control system according to claim 4, which is characterized in that the first control circuit further includes：First
Circuit is protected, the first protection circuit is connected with the first end of the first switch pipe, for protecting the first switch pipe.
6. monitor control system according to claim 5, which is characterized in that the first protection circuit includes：First electricity
Resistance and the first capacitance, the first resistor and first capacitance are in parallel, one end of the first resistor and the first switch
The first end connection of pipe, the other end ground connection of the first resistor.
7. according to claim 1-3 any one of them monitor control systems, which is characterized in that the contacting controling circuit bag
It includes：Second control circuit and motor, the second control circuit are connected respectively with the control module and the motor, the electricity
Machine is connected with the switch, and the second control circuit includes：Second switch pipe and relay, the first of the second switch pipe
End is connected with the control module, and the second end of the second switch pipe is connected with the coil of the relay, the relay
Normally opened contact be connected with the motor, for being connected with power supply, the control module passes through for the common of the relay
Control the conducting of the second switch pipe that the common is controlled to be turned on the normally opened contact, so as to drive the motor
Rotation makes the switch be adjusted to described from the disengaged position to close state, and then realizes the combined floodgate of the breaker.
8. monitor control system according to claim 7, which is characterized in that the second control circuit further includes：First
Circuit is protected, the first protection circuit is connected with the first end of the second switch pipe, for protecting the second switch pipe.
9. monitor control system according to claim 8, which is characterized in that the first protection circuit includes：Second electricity
Resistance and the second capacitance, the second resistance and second capacitance are in parallel, one end of the second resistance and the second switch
The first end connection of pipe, the other end ground connection of the second resistance.
10. monitor control system according to claim 1, which is characterized in that the communicator includes：Radio communication mold
Block, the wireless communication module are NB-IoT modules, LoRa modules, WiFi module, ZigBee module, 3G module or 4G modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066289.5A CN108092411A (en) | 2018-01-23 | 2018-01-23 | A kind of monitor control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066289.5A CN108092411A (en) | 2018-01-23 | 2018-01-23 | A kind of monitor control system |
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| CN108092411A true CN108092411A (en) | 2018-05-29 |
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|---|---|---|---|
| CN201810066289.5A Pending CN108092411A (en) | 2018-01-23 | 2018-01-23 | A kind of monitor control system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926794A (en) * | 2018-07-19 | 2018-12-04 | 柳州治业科技有限公司 | A kind of fire protection system based on NB-IOT technology |
| CN109066966A (en) * | 2018-09-05 | 2018-12-21 | 国网山东省电力公司枣庄供电公司 | A kind of intelligence repairing system |
| CN109342809A (en) * | 2018-09-18 | 2019-02-15 | 珠海优特物联科技有限公司 | Control method and device, the intelligent electric meter of air switch |
| CN109470902A (en) * | 2018-09-18 | 2019-03-15 | 珠海优特物联科技有限公司 | Intelligent electric meter |
| CN110416969A (en) * | 2019-07-04 | 2019-11-05 | 天津市中力神盾电子科技有限公司 | Method and system for controlling composite switch of distribution box |
| CN110702964A (en) * | 2018-12-07 | 2020-01-17 | 上海产业技术研究院 | Instrument monitoring device, monitor and storage medium based on NB-IOT communication technology |
| CN112290548A (en) * | 2020-11-06 | 2021-01-29 | 国网湖南省电力有限公司 | Automatic switching-on and switching-off device of distribution transformer for agricultural distribution network alternating current ice melting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227047A (en) * | 2011-04-08 | 2011-10-26 | 河北省电力研究院 | 400V-voltage integrated power distribution cabinet system of intelligent rural grid |
| CN202059149U (en) * | 2011-04-18 | 2011-11-30 | 颜福随 | Power leakage protective device suitable for control circuit of recloser |
| CN103475105A (en) * | 2013-09-30 | 2013-12-25 | 河南开启电力实业有限公司 | Intelligent integrated power distribution cabinet |
| CN203787300U (en) * | 2014-04-21 | 2014-08-20 | 常熟开关制造有限公司(原常熟开关厂） | Control circuit of electric operating mechanism |
| CN204442008U (en) * | 2014-11-30 | 2015-07-01 | 国家电网公司 | A kind of intelligent type low-voltage comprehensive distribution cabinet |
| CN205070167U (en) * | 2015-10-08 | 2016-03-02 | 遵义长征输配电设备有限公司 | But real time monitoring's comprehensive switch board |
| CN106602723A (en) * | 2016-11-28 | 2017-04-26 | 保定市龙跃电力器材制造有限公司 | JP cabinet |
| CN207835153U (en) * | 2018-01-23 | 2018-09-07 | 河南丰源电力科技有限公司 | A kind of monitor control system |
-
2018
- 2018-01-23 CN CN201810066289.5A patent/CN108092411A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227047A (en) * | 2011-04-08 | 2011-10-26 | 河北省电力研究院 | 400V-voltage integrated power distribution cabinet system of intelligent rural grid |
| CN202059149U (en) * | 2011-04-18 | 2011-11-30 | 颜福随 | Power leakage protective device suitable for control circuit of recloser |
| CN103475105A (en) * | 2013-09-30 | 2013-12-25 | 河南开启电力实业有限公司 | Intelligent integrated power distribution cabinet |
| CN203787300U (en) * | 2014-04-21 | 2014-08-20 | 常熟开关制造有限公司(原常熟开关厂） | Control circuit of electric operating mechanism |
| CN204442008U (en) * | 2014-11-30 | 2015-07-01 | 国家电网公司 | A kind of intelligent type low-voltage comprehensive distribution cabinet |
| CN205070167U (en) * | 2015-10-08 | 2016-03-02 | 遵义长征输配电设备有限公司 | But real time monitoring's comprehensive switch board |
| CN106602723A (en) * | 2016-11-28 | 2017-04-26 | 保定市龙跃电力器材制造有限公司 | JP cabinet |
| CN207835153U (en) * | 2018-01-23 | 2018-09-07 | 河南丰源电力科技有限公司 | A kind of monitor control system |
Non-Patent Citations (1)
| Title |
|---|
| 孙中记;吴振奎;景皓;路艳巧;: "农村低压配电台区智能监控系统试点应用分析", 电气应用, no. 01, pages 32 - 34 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926794A (en) * | 2018-07-19 | 2018-12-04 | 柳州治业科技有限公司 | A kind of fire protection system based on NB-IOT technology |
| CN109066966A (en) * | 2018-09-05 | 2018-12-21 | 国网山东省电力公司枣庄供电公司 | A kind of intelligence repairing system |
| CN109342809A (en) * | 2018-09-18 | 2019-02-15 | 珠海优特物联科技有限公司 | Control method and device, the intelligent electric meter of air switch |
| CN109470902A (en) * | 2018-09-18 | 2019-03-15 | 珠海优特物联科技有限公司 | Intelligent electric meter |
| CN109342809B (en) * | 2018-09-18 | 2021-03-02 | 珠海优特物联科技有限公司 | Method and device for controlling air switch and intelligent electric meter |
| CN109470902B (en) * | 2018-09-18 | 2021-03-02 | 珠海优特物联科技有限公司 | Intelligent electric meter |
| CN110702964A (en) * | 2018-12-07 | 2020-01-17 | 上海产业技术研究院 | Instrument monitoring device, monitor and storage medium based on NB-IOT communication technology |
| CN110416969A (en) * | 2019-07-04 | 2019-11-05 | 天津市中力神盾电子科技有限公司 | Method and system for controlling composite switch of distribution box |
| CN112290548A (en) * | 2020-11-06 | 2021-01-29 | 国网湖南省电力有限公司 | Automatic switching-on and switching-off device of distribution transformer for agricultural distribution network alternating current ice melting |
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