CN106291095A - Metering type vacuum circuit breaker and metering system - Google Patents
Metering type vacuum circuit breaker and metering system Download PDFInfo
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- CN106291095A CN106291095A CN201610796088.1A CN201610796088A CN106291095A CN 106291095 A CN106291095 A CN 106291095A CN 201610796088 A CN201610796088 A CN 201610796088A CN 106291095 A CN106291095 A CN 106291095A
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- 230000005611 electricity Effects 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000004146 energy storage Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 208000032364 Undersensing Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Keying Circuit Devices (AREA)
Abstract
A kind of metering type vacuum circuit breaker and metering system, wherein, metering type vacuum circuit breaker includes: metering current mulual inductor, is used for and AC network mutual inductance, exports metering current under alternating current senses；Metered voltage transformer, is used for and described AC network mutual inductance, exports metered voltage under the sensing of alternating voltage；Metering device, is connected with described metering current mulual inductor and described metered voltage transformer, is used for receiving described metering current and described metered voltage obtains metric results；Described metering current mulual inductor, described metered voltage transformer and described metering device are integrated.Metering current mulual inductor, metered voltage transformer are connected with metering device respectively, metering device directly obtains metering current and metered voltage, vacuum circuit breaker and metering device are integrated, thus, both the control function of original vacuum circuit breaker had been kept, remain again the function of measuring of High-voltage measuring box, effectively reduce equipment volume and cost, user friendly installation and use.
Description
Technical field
The present invention relates to breaker technical field, be specifically related to a kind of metering type vacuum circuit breaker and metering system.
Background technology
Chopper refer to close, carry and cut-off the electric current under normal loop condition and can close, regulation time
The switching device of the interior electric current carried and cut-off under abnormal loop condition.
Vacuum circuit breaker belongs to the one of chopper, vacuum circuit breaker with vacuum as dielectric, have dielectric level high,
The features such as connecting-disconnecting function is strong, little, the life-span length of contact abrasion rate, distribution system defeated at 10kV is used widely.
In prior art, corresponding electric energy metrical, has typically been come by electric energy meter in electric current, voltage transformer and batch meter
Become.Conventional 10kV distribution system, high-tension current inputs vacuum circuit breaker through disconnecting switch, then through electric current, voltage measurement mutual inductance
Device, receives the input of three-phase power transformer, powers through transformer pressure-reducing rear line.Electric energy metrical controls, pre-payment is copied
Table, spatial load forecasting often realize with the prompting of metering ammeter at user side, it is impossible to realize accurate remote control.Additionally, vacuum is broken
Between road device, High-voltage measuring box and metering type current transformer, these several persons of metering type current transformer, split is arranged, the most past
Toward causing this equipment occupation space relatively big, cost is high, is unfavorable for the miniaturization of device.
Therefore, how to realize vacuum circuit breaker and metering ammeter miniaturization, reduce cost and become problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is to realize vacuum circuit breaker and metering ammeter miniaturization, reduces cost.For
This, according to first aspect, embodiments provide a kind of metering type vacuum circuit breaker, including:
Metering current mulual inductor, is used for and AC network mutual inductance, exports metering current under alternating current senses；Metering electricity
Pressure transformer, is used for and AC network mutual inductance, exports metered voltage under the sensing of alternating voltage；Metering device, with metering electricity
Current transformer and metered voltage transformer connect, and be used for receiving metering current and metered voltage obtains metric results；Metering current
Transformer, metered voltage transformer and metering device are integrated
Preferably, metered voltage transformer is additionally operable under the sensing of alternating voltage output control voltage.
Preferably, metering type vacuum circuit breaker also includes: closing device, is connected with the outfan of metered voltage transformer,
For receiving control voltage, and control voltage is converted into the first driving voltage, to drive breaker closing；Switching-off device, with
The outfan of metered voltage transformer connects, and is used for receiving control voltage, and control voltage is converted into the second driving voltage, with
Drive breaker open operation.
Preferably, closing device includes: the first rectifier bridge, mutual with metered voltage by switch knob and the first magnetic blow-out switch
The outfan of sensor connects, and is used for receiving control voltage, and control voltage is converted into the first driving voltage；Closing coil, with
First rectifier bridge connects, for driving breaker closing under the driving of the first driving voltage；Combined floodgate Tip element, by first
Auxiliary switch is connected with the outfan of metered voltage transformer, and for when breaker closing, the first auxiliary switch Guan Bi is to send out
Go out prompting of closing a floodgate.
Preferably, switching-off device includes: the second rectifier bridge, mutual with metered voltage by opening button and the second magnetic blow-out switch
The outfan of sensor connects, and is used for receiving control voltage, and control voltage is converted into the second driving voltage；Switching winding, with
Second rectifier bridge connects, for driving breaker open operation under the driving of the second driving voltage；Separating brake Tip element, by second
Auxiliary switch is connected with the outfan of metering transformer, and for when breaker open operation, the second auxiliary switch closes to send point
Lock is pointed out.
Preferably, metering type vacuum circuit breaker also includes: energy storage device, and energy storage device includes the 3rd rectifier bridge, operation machine
Structure and the 3rd magnetic blow-out switch；Outfan, operating mechanism and the 3rd magnetic blow-out with metered voltage transformer respectively of 3rd rectifier bridge is opened
Close and connect, be used for receiving control voltage, and control voltage is converted into the 3rd driving voltage, to drive operating mechanism energy storage.
Preferably, metering type vacuum circuit breaker also includes: protective current transformer, with alternating current power supply mutual inductance, is used for handing over
Output protection electric current under the sensing of stream electric current；Surge controller, is connected with described protective current transformer, is used for receiving protection electricity
Stream；When protective current is more than the scheduled current of surge controller, opening button connected by surge controller, controls chopper and divides
Lock.
According to second aspect, embodiments provide a kind of metering system, including: any of the above-described metering type vacuum
Chopper；Communicator, is connected with metering device, for receiving the metric results of metering device；Remote control terminal, with communication
Device is mutual, controls breaker open operation or combined floodgate for the metric results according to metering device.
The metering type vacuum circuit breaker that the embodiment of the present invention provides, by metering current mulual inductor, and AC network mutual inductance,
Metering current is exported at alternating current under sensing；Metered voltage transformer, with AC network mutual inductance, is used at alternating voltage
Sensing under export metered voltage；Metering device, is connected with metering current mulual inductor and metered voltage transformer, based on receiving
Amount electric current and metered voltage obtain metric results.Metering current mulual inductor, metered voltage transformer are connected with metering device respectively,
Metering device directly obtains metering current and metered voltage, metering current mulual inductor, metered voltage transformer and metering device collection
Integral.Thus, both keep the control function of original vacuum circuit breaker, remain again the function of measuring of High-voltage measuring box, effectively
Ground reduces equipment volume and cost, user friendly installation and use.
Additionally, the metering system that the embodiment of the present invention provides, gather metering current information by metering type vacuum circuit breaker
With metered voltage information, metering device obtains metric results, is sent metric results to remote control terminal by communicator, far
Process control end controls metering type breaker open operation or combined floodgate, meanwhile, Ke Yishi according to metering current information and metered voltage information
Time remind user power consumption, thus, it is achieved that the control to user power utilization accurate remote.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 shows a kind of metering type vacuum circuit breaker metering circuit principle schematic of the present embodiment；
Fig. 2 shows a kind of metering type vacuum circuit breaker short-circuit control circuit principle schematic of the present embodiment；
Fig. 3 shows a kind of metering system schematic diagram of the present embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, it is also possible to
It is the connection of two element internals, can be wireless connections, it is also possible to be wired connection.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.Additionally, term " first ", " second ", "
Three " it is only used for describing purpose, and it is not intended that indicate or hint relative importance.
Embodiments provide a kind of metering type vacuum circuit breaker, as it is shown in figure 1, this chopper includes:
Metering current mulual inductor 10, with AC network mutual inductance, exports metering current at alternating current under sensing.
Metering type voltage transformer 20, with AC network mutual inductance, is used for exporting metered voltage under the sensing of alternating voltage.
Metering device 30, is connected with metering current mulual inductor and metered voltage transformer, by receive metering current and based on
Amount voltage obtains metric results.
Signal stream and the operation principle of metering type vacuum circuit breaker is described in detail below in conjunction with Fig. 1, alternating current, such as
Can be 10kV alternating current, through the composite bushing of disconnecting switch input chopper, through the first high tension cable, metering current mulual inductor
10, defeated to vacuum circuit breaker of the second high tension cable, quiet end support, vacuum interrupter, soft strength, quiet end support, composite bushing
Go out end.Metering type vacuum circuit breaker is in "on" position, when alternating current flows through metering current mulual inductor 10, in metering current mutual inductance
The secondary side sensing output scheduled current of device, such as 5A electric current, i.e. metering current, metering device 30 receives metering current；Metering
Type vacuum circuit breaker is in "on" position, and ac voltage input is connected to metered voltage transformer 20, the one of metered voltage transformer
Secondary side and secondary side can use V-type to connect, and can export metered voltage, such as, 10kV's under the sensing of alternating voltage
The lower induced voltage exporting three-phase 100V of three-phase voltage sensing, metering current and metered voltage can be input to by armored cable
In metering device 20, metering device 20 obtains metric results according to metering current and metered voltage.
In a preferred embodiment, metered voltage transformer is additionally operable under the sensing of alternating voltage output control voltage.
In the particular embodiment, voltage is controlled for controlling combined floodgate and the separating brake of metering type vacuum circuit breaker, the control voltage of output
It can be 220V alternating voltage.
In a preferred embodiment, as in figure 2 it is shown, metering type vacuum circuit breaker can also include:
Closing device 40, is connected with the outfan of metered voltage transformer, is used for receiving control voltage, and will control voltage
It is converted into the first driving voltage, to drive breaker closing.In the particular embodiment, closing device can also include: first
Rectifier bridge 41, is connected with the outfan of metered voltage transformer 20 by switch knob 44 and the first magnetic blow-out switch 45, is used for connecing
Receive and control voltage, and control voltage is converted into the first driving voltage；Closing coil 42, is connected with the first rectifier bridge 41, is used for
Breaker closing is driven under the driving of described first driving voltage；Combined floodgate Tip element 43, by first auxiliary 46 switch with
The outfan of metered voltage transformer 20 connects, and for when breaker closing, the first auxiliary switch 46 closes to send combined floodgate
Prompting.In the particular embodiment, control voltage is pressed through the first magnetic blow-out switch 45 and switch connection, control when switch knob 44
Voltage makes breaker closing through the first rectifier bridge rectification rear drive closing coil, and combined floodgate Tip element is such as simultaneously, red instruction
Lamp is through the first auxiliary switch and power on, and red led is bright, represents that chopper is in "on" position.
Switching-off device 50, is connected with the outfan of metered voltage transformer 20, is used for receiving control voltage, and will control electricity
Pressure is converted into the second driving voltage, to drive breaker open operation.In the particular embodiment, switching-off device can also include: the
Two rectifier bridges 51, are connected by the outfan of opening button 54 with metered voltage transformer 20, are used for receiving control voltage, and will
Control voltage and be converted into the second driving voltage；Switching winding 52, is connected with the second rectifier bridge 51, at the second driving voltage
Breaker open operation is driven under driving；Separating brake Tip element 53, by defeated with metered voltage transformer 20 of the second auxiliary 55 switch
Going out end to connect, for when breaker open operation, the second auxiliary switch 55 closes to send combined floodgate prompting.In specific embodiment
In, when opening button 54 presses circuit ON, control voltage and make chopper close through the second rectifier bridge rectification rear drive switching winding
Lock, simultaneously separating brake Tip element such as green indicating lamp, be connected with power supply through the second auxiliary switch, and green indicating lamp is bright, table
Show that chopper is in gate-dividing state.
In a preferred embodiment, metering type vacuum circuit breaker can also include:
Energy storage device 60, energy storage device includes the 3rd rectifier bridge 61, operating mechanism 62 and the 3rd magnetic blow-out switch 63.3rd is whole
Stream bridge is connected with outfan, operating mechanism and the 3rd magnetic blow-out switch of metered voltage transformer respectively, is used for receiving control voltage,
And control voltage is converted into the 3rd driving voltage, to drive operating mechanism energy storage.
In a preferred embodiment, metering type vacuum circuit breaker can also include: protective current transformer 70, with alternating current
Source mutual inductance, for output protection electric current under the sensing of alternating current；Surge controller 80, is connected with protective current transformer,
For receiving protective current；When protective current is more than the scheduled current of surge controller, opening button connected by surge controller,
Control breaker open operation.In natural environment influences such as load instantaneous variation, lightning inductions, it may occur that surge current and make chopper
There is by mistake separating brake, in inrush current control 80, can have inrush current prevention device, can guarantee that when supply line produces surge current time delay 0～
180ms trips, for example, it is possible to time delay 100ms tripping operation, can be effectively prevented from transmission line of electricity surge current in short-term and produce false tripping
Lock, improves power supply reliability.
By metering current mulual inductor, with AC network mutual inductance, under sensing, export metering current at alternating current；Meter
Amount voltage transformer, with AC network mutual inductance, is used for exporting metered voltage under the sensing of alternating voltage；Metering device, with meter
Amount current transformer and metered voltage transformer connect, and be used for receiving metering current and metered voltage obtains metric results.Metering
Current transformer, metered voltage transformer are connected with metering device respectively, and metering device directly obtains metering current and metering electricity
Pressure, thus, both kept the control function of original vacuum circuit breaker, and remained again the function of measuring of High-voltage measuring box, effectively subtract
Skinny device volume and cost, user friendly installation and use
The embodiment of the present invention additionally provides a kind of metering system, and it is any that this system may include that above-described embodiment describes
One metering type vacuum circuit breaker 100；Communicator 200, is connected with metering device, for receiving the metering knot of metering device
Really；Remote control terminal 300, mutual with communicator 200, control breaker open operation for the metric results according to metering device
Or close a floodgate.In the particular embodiment, metering device is also equipped with remote control terminal 300, the current signal that metering device gathers
Deliver to remote control terminal with voltage signal, communication module 200 such as GPRS wireless data communication module can be passed through, can be in order to
Carry out intra-office with wireless network and control the long-range control of the information UNICOM of computer (abbreviation backstage), intra-office computer and metering device
Terminal 300 processed is combined into one, and the electricity charge that can user be prestored are converted into electricity, is directly stored in intra-office and controls computer, and can
Hereinafter reach the remote control terminal 300 in metering device, when the electricity that user uses reaches setting value, remote control terminal
300 return alarm signal automatically to backstage, and background computer will send arrearage signal, can send extremely with the form of SMS
User mobile phone, prompting arrearage is also reported to the police, and reminds user's power purchase, when electricity reaches electricity charge setting 0 value, remote control terminal 300
After backstage sends power-off signal, automatically by breaker open operation, user's power-off.After subscriber payment, backstage can the following number of delivering a letter, extensive
Multiple power transmission (also can be by consistency operation power transmission).This system eliminates the mode of operation of IC-card, it is not necessary to user configure card reader and
IC-card, is directly realized by remotely operation, and electricity forward purchasing can be directly inputted by backstage main station system software or control mobile phone, and teletransmission is arrived
System controller, after system controller returns confirmation, power purchase operation i.e. completes, and terminal sends switching signal to backstage,
Automatically being closed a floodgate by high-voltage switch gear, user restores electricity, and during use, user can send short messages inquiry dump energy at any time.Thus it is real
Showed electric energy metrical, the function such as control, pre-payment remote are checked meter, long-range monitoring of spatial load forecasting, energy data.
Although being described in conjunction with the accompanying embodiments of the present invention, but those skilled in the art can be without departing from this
In the case of bright spirit and scope, various modification can be adapted and modification, and such amendment and modification each fall within by claims
Within limited range.
Claims (8)
1. a metering type vacuum circuit breaker, it is characterised in that including:
Metering current mulual inductor, is used for and AC network mutual inductance, exports metering current under alternating current senses；
Metered voltage transformer, is used for and described AC network mutual inductance, exports metered voltage under the sensing of alternating voltage；
Metering device, is connected with described metering current mulual inductor and described metered voltage transformer, is used for receiving described metering electricity
Stream and described metered voltage obtain metric results；
Described metering current mulual inductor, described metered voltage transformer and described metering device are integrated.
Metering type vacuum circuit breaker the most according to claim 1, it is characterised in that described metered voltage transformer is additionally operable to
Under the sensing of described alternating voltage, output controls voltage.
Metering type vacuum circuit breaker the most according to claim 1, it is characterised in that also include:
Closing device, is connected with the outfan of described metered voltage transformer, is used for receiving described control voltage, and by described control
Voltage processed is converted into the first driving voltage, to drive breaker closing；
Switching-off device, is connected with the outfan of described metered voltage transformer, is used for receiving described control voltage, and by described control
Voltage processed is converted into the second driving voltage, to drive breaker open operation.
Metering type vacuum circuit breaker the most according to claim 3, it is characterised in that described closing device includes:
First rectifier bridge, is connected with the outfan of described metered voltage transformer by switch knob and the first magnetic blow-out switch, uses
In receiving described control voltage, and described control voltage is converted into the first driving voltage；
Closing coil, is connected with described first rectifier bridge, for driving described open circuit under the driving of described first driving voltage
Device closes a floodgate；
Combined floodgate Tip element, is connected by the outfan of the first auxiliary switch with described metered voltage transformer, for described
During breaker closing, described first auxiliary switch Guan Bi is to send combined floodgate prompting.
Metering type vacuum circuit breaker the most according to claim 3, it is characterised in that described switching-off device includes:
Second rectifier bridge, is connected with the outfan of described metered voltage transformer by opening button and the second magnetic blow-out switch, uses
In receiving described control voltage, and described control voltage is converted into the second driving voltage；
Switching winding, is connected with described second rectifier bridge, for driving described open circuit under the driving of described second driving voltage
Device separating brake；
Separating brake Tip element, is connected by the outfan of the second auxiliary switch with described metering transformer, in described open circuit
During device separating brake, described second auxiliary switch Guan Bi is to send separating brake prompting.
Metering type vacuum circuit breaker the most according to claim 1, it is characterised in that also include:
Energy storage device, described energy storage device includes the 3rd rectifier bridge, operating mechanism and the 3rd magnetic blow-out switch；
Described 3rd rectifier bridge respectively with the outfan of described metered voltage transformer, described operating mechanism and described 3rd magnetic blow-out
Switch connects, and is used for receiving described control voltage, and described control voltage is converted into the 3rd driving voltage, to drive described behaviour
Make mechanism's energy storage.
Metering type vacuum circuit breaker the most according to claim 1, it is characterised in that also include:
Protective current transformer, with described alternating current power supply mutual inductance, is used for output protection electric current under the sensing of alternating current；
Surge controller, is connected with described protective current transformer, is used for receiving described protective current；
When described protective current is more than the scheduled current of described surge controller, described surge controller is connected described separating brake and is pressed
Button, controls described breaker open operation.
8. a metering system, it is characterised in that including:
Metering type vacuum circuit breaker as described in claim 1-7 any one；
Communicator, is connected with described metering device, for receiving the metric results of described metering device；
Remote control terminal, mutual with described communicator, control described disconnected for the metric results according to described metering device
Road device separating brake or combined floodgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796088.1A CN106291095A (en) | 2016-08-31 | 2016-08-31 | Metering type vacuum circuit breaker and metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796088.1A CN106291095A (en) | 2016-08-31 | 2016-08-31 | Metering type vacuum circuit breaker and metering system |
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| Publication Number | Publication Date |
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| CN106291095A true CN106291095A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610796088.1A Pending CN106291095A (en) | 2016-08-31 | 2016-08-31 | Metering type vacuum circuit breaker and metering system |
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