CN206583965U - Metering type vacuum circuit breaker and metering system - Google Patents
Metering type vacuum circuit breaker and metering system Download PDFInfo
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- CN206583965U CN206583965U CN201621031124.7U CN201621031124U CN206583965U CN 206583965 U CN206583965 U CN 206583965U CN 201621031124 U CN201621031124 U CN 201621031124U CN 206583965 U CN206583965 U CN 206583965U
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Abstract
A kind of metering type vacuum circuit breaker and metering system, wherein, metering type vacuum circuit breaker includes：Metering current mulual inductor, for AC network mutual inductance, alternating current sensing under export metering current；Metered voltage transformer, for the AC network mutual inductance, export metered voltage under the sensing of alternating voltage；Metering device, is connected with the metering current mulual inductor and the metered voltage transformer, and metric results are obtained for receiving the metering current and the metered voltage；The metering current mulual inductor, the metered voltage transformer and the 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, so as to, both the control function of original vacuum circuit breaker had been kept, the function of measuring of High-voltage measuring box is remained again, is effectively reduced equipment volume and cost, is facilitated the installation of user and use.
Description
Technical field
The utility model is related to breaker technical field, and in particular to a kind of metering type vacuum circuit breaker and metering system
System.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
Vacuum circuit breaker belongs to one kind of breaker, vacuum circuit breaker using vacuum as dielectric, with dielectric level it is high,
Connecting-disconnecting function is strong, small contact abrasion rate, long lifespan the features such as, 10kV is defeated, distribution system is used widely.
In the prior art, corresponding electric energy metrical, electric energy meter is Lai complete typically in electric current, voltage transformer and batch meter
Into.Conventional 10kV distribution systems, high-tension current inputs vacuum circuit breaker through disconnecting switch, then through electric current, voltage measurement mutual inductance
Device, is connected to the input of three-phase power transformer, is powered through transformer pressure-reducing rear line.Electric energy metrical control, pre-payment are copied
Table, spatial load forecasting are often realized in user terminal with the prompting of metering ammeter, it is impossible to realize accurate remote control.In addition, vacuum is disconnected
Split is set between road device, High-voltage measuring box and metering type current transformer, metering type current transformer this several person, so past
Toward causing this equipment occupation space larger, cost is high, is unfavorable for the miniaturization of device.
Therefore, vacuum circuit breaker and metering ammeter miniaturization how are realized, reducing cost turns into urgent problem to be solved.
Utility model content
The technical problems to be solved in the utility model is to realize vacuum circuit breaker and metering ammeter miniaturization, reduced into
This.Therefore, according in a first aspect, the utility model embodiment provide a kind of metering type vacuum circuit breaker, including：
Metering current mulual inductor, for AC network mutual inductance, alternating current sensing under export metering current；Metering electricity
Press transformer, for AC network mutual inductance, export metered voltage under the sensing of alternating voltage；Metering device, with metering electricity
Current transformer and the connection of metered voltage transformer, metric results are obtained for receiving metering current and metered voltage；Metering current
Transformer, metered voltage transformer and metering device are integrated.
Preferably, metered voltage transformer is additionally operable to the output control voltage under the sensing of alternating voltage.
Preferably, metering type vacuum circuit breaker also includes：Closing device, is connected with the output end of metered voltage transformer,
The first driving voltage is converted into for receiving control voltage, and by control voltage, to drive breaker closing；Switching-off device, with
The output end connection of metered voltage transformer, the second driving voltage is converted into for receiving control voltage, and by control voltage, with
Drive breaker open operation.
Preferably, closing device includes：First rectifier bridge, it is mutual by switch knob and the first magnetic blow-out switch and metered voltage
The output end connection of sensor, the first driving voltage is converted into for receiving control voltage, and by control voltage；Closing coil, with
First rectifier bridge is connected, for driving breaker closing under the driving of the first driving voltage；Combined floodgate Tip element, passes through first
Auxiliary switch is connected with the output end of metered voltage transformer, in breaker closing, the first auxiliary switch to close to send out
Go out prompting of closing a floodgate.
Preferably, switching-off device includes：Second rectifier bridge, it is mutual by opening button and the second magnetic blow-out switch and metered voltage
The output end connection of sensor, the second driving voltage is converted into for receiving control voltage, and by control voltage；Switching winding, with
Second rectifier bridge is connected, for driving breaker open operation under the driving of the second driving voltage；Separating brake Tip element, passes through second
Auxiliary switch be connected with measuring the output end of transformer, for when breaker open operation, and the second auxiliary switch closes to send point
Lock is pointed out.
Preferably, metering type vacuum circuit breaker also includes：Energy storage device, energy storage device includes the 3rd rectifier bridge, operation machine
Structure and the 3rd magnetic blow-out switch；3rd rectifier bridge is opened with the output end of metered voltage transformer, operating mechanism and the 3rd magnetic blow-out respectively
Connection is connect, and the 3rd driving voltage is converted into for receiving control voltage, and by control voltage, to drive operating mechanism energy storage.
Preferably, metering type vacuum circuit breaker also includes：Protective current transformer, and AC power mutual inductance, for handing over
Flow output protection electric current under the sensing of electric current；Surge controller, is connected with the protective current transformer, for receiving protection electricity
Stream；When protective current is more than the scheduled current of surge controller, surge controller connects opening button, control breaker point
Lock.
According to second aspect, the utility model embodiment provides a kind of metering system, including：Any of the above-described metering type
Vacuum circuit breaker；Communicator, is connected with metering device, the metric results for receiving metering device；Remote control terminal, with
Communicator is interacted, for controlling breaker open operation or combined floodgate according to the metric results of metering device.
The metering type vacuum circuit breaker that the utility model embodiment is provided, by metering current mulual inductor, with AC network
Mutual inductance, for exporting metering current in the case where alternating current senses；Metered voltage transformer, and AC network mutual inductance, for handing over
Metered voltage is exported under the sensing for flowing voltage；Metering device, is connected with metering current mulual inductor and metered voltage transformer, is used for
Receive metering current and metered voltage obtains metric results.Metering current mulual inductor, metered voltage transformer are filled with metering respectively
Connection is put, metering device directly obtains metering current and metered voltage, metering current mulual inductor, metered voltage transformer and metering
Device is integrated.So as to both keep the control function of original vacuum circuit breaker, the metering work(of High-voltage measuring box is remained again
Can, effectively reduce equipment volume and cost, facilitate the installation of user and use.
In addition, the metering system that the utility model embodiment is provided, metering current is gathered by metering type vacuum circuit breaker
Information and metered voltage information, metering device obtain metric results, are sent metric results to remote control by communicator
End, remote control terminal controls metering type breaker open operation or combined floodgate according to metering current information and metered voltage information, meanwhile, can
With the power consumption of real-time reminding user, so that, realize the control to user power utilization accurate remote.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained 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.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
The connection of two element internals is can also be, can be wireless connection or wired connection.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.In addition, term " first ",
" second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
The utility model embodiment provides a kind of metering type vacuum circuit breaker, as shown in figure 1, the breaker includes：
Metering current mulual inductor 10, and AC network mutual inductance, for exporting metering current in the case where alternating current senses.
Metering type voltage transformer 20, and AC network mutual inductance, 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.
Below in conjunction with Fig. 1 be described in detail metering type vacuum circuit breaker signal stream and operation principle, alternating current, for example
It can be 10kV alternating currents, the composite bushing of breaker be inputted through disconnecting switch, through the first high-tension cable, metering current mulual inductor
10th, the second high-tension cable, static side support, vacuum interrupter, soft strength, static side support, composite bushing to the defeated of vacuum circuit breaker
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 inductive output scheduled current of device, such as 5A electric currents, 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 export metered voltage, for example, 10kV's using V-type connection under the sensing of alternating voltage
The lower output three-phase 100V of three-phase voltage sensing induced voltage, 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 to the output control voltage under the sensing of alternating voltage.
In the particular embodiment, control voltage is used for the combined floodgate and separating brake for controlling metering type vacuum circuit breaker, the control voltage of output
Can be 220V alternating voltages.
In a preferred embodiment, as shown in Fig. 2 metering type vacuum circuit breaker can also include：
Closing device 40, is connected with the output end of metered voltage transformer, for receiving control voltage, and by control voltage
The first driving voltage is converted into, to drive breaker closing.In the particular embodiment, closing device can also include：First
Rectifier bridge 41, is connected by the magnetic blow-out switch 45 of switch knob 44 and first with the output end of metered voltage transformer 20, for connecing
Control voltage is received, 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 first driving voltage；Combined floodgate Tip element 43, by first auxiliary 46 switch with
The output end connection of metered voltage transformer 20, in breaker closing, the first auxiliary switch 46 to close to send combined floodgate
Prompting.In the particular embodiment, when switch knob 44 presses control voltage through the first magnetic blow-out switch 45 and switch connection, control
Voltage processed moves closing coil through the first rectifier bridge rectification rear-guard makes breaker closing, while combined floodgate Tip element is for example, red refers to
Show that lamp passes through the first auxiliary switch and power on, red led is bright, represent that breaker is in "on" position.
Switching-off device 50, is connected with the output end of metered voltage transformer 20, 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 opening button 54 with the output end of metered voltage transformer 20, for receiving control voltage, and will
Control voltage is converted into the second driving voltage；Switching winding 52, is connected with the second rectifier bridge 51, in the second driving voltage
The lower driving breaker open operation of driving；Separating brake Tip element 53, is switched defeated with metered voltage transformer 20 by the second auxiliary 55
Go out end connection, in breaker open operation, the second auxiliary switch 55 to close to send prompting of closing a floodgate.In specific embodiment
In, press circuit when opening button 54 and connect, control voltage drives switching winding to close breaker after the second rectifier bridge rectification
Lock, while separating brake Tip element such as green indicating lamp, is connected, green indicating lamp is bright, table by the second auxiliary switch with power supply
Show that breaker 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, the magnetic blow-out switch 63 of operating mechanism 62 and the 3rd.3rd is whole
Stream bridge is connected with the output end of metered voltage transformer, operating mechanism and the 3rd magnetic blow-out switch respectively, 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 exchanging
Power supply mutual inductance, for the output protection electric current under the sensing of alternating current；Surge controller 80, connects with protective current transformer
Connect, for receiving protective current；When protective current is more than the scheduled current of surge controller, surge controller is connected separating brake and pressed
Button, controls breaker open operation.In load instantaneous variation, the natural environment influence such as lightning induction, it may occur that surge current and make to break
Road device occurs can have inrush current prevention device in separating brake by mistake, inrush current control 80, can guarantee that supply line produces surge current time delay
When 0~180ms trip, for example, can be delayed 100ms tripping operation, can be effectively prevented from transmission line of electricity in short-term surge current and produce
Mistrip, improves power supply reliability.
By metering current mulual inductor, and AC network mutual inductance, for exporting metering current in the case where alternating current senses；Meter
Measure voltage transformer, and AC network mutual inductance, for exporting metered voltage under the sensing of alternating voltage；Metering device, with meter
Current transformer and the connection of metered voltage transformer are measured, metric results are obtained for receiving metering current and metered voltage.Metering
Current transformer, metered voltage transformer are connected with metering device respectively, and metering device directly obtains metering current and metering electricity
Pressure, so that, the control function of original vacuum circuit breaker had both been kept, the function of measuring of High-voltage measuring box is remained again, is effectively subtracted
Skinny device volume and cost, facilitate the installation of user and use.
The utility model embodiment additionally provides a kind of metering system, and the system can include：Above-described embodiment description
Any one metering type vacuum circuit breaker 100；Communicator 200, is connected with metering device, the metering for receiving metering device
As a result；Remote control terminal 300, is interacted with communicator 200, for controlling breaker point according to the metric results of metering device
Lock or combined floodgate.In the particular embodiment, metering device is also equipped with remote control terminal 300, the electric current letter of metering device collection
Number and voltage signal be sent to remote control terminal, can be by such as GPRS wireless data communication modules of communication module 200, can be with
Carry out the information UNICOM of intra-office control computer (abbreviation backstage) using wireless network, intra-office computer and metering device it is long-range
Control terminal 300 is combined into one, and the electricity charge that user can prestore are converted into electricity, are directly stored in intra-office control computer, and
The remote control terminal 300 in metering device can be reached below, and when the electricity that user uses reaches setting value, remote control is whole
End 300 is automatic to return alarm signal to backstage, and background computer will send arrearage signal, and can be sent in the form of SMS
To user mobile phone, point out arrearage and alarm, remind user's power purchase, when electricity reaches that the electricity charge set 0 value, remote control terminal
300 send after power-off signal to backstage, automatically by breaker open operation, user's power-off.After subscriber payment, backstage following can pass letter
Number, recover power transmission (also can be by consistency operation power transmission).The system eliminates the mode of operation of IC-card, it is not necessary to user configuring Card Reader
Device and IC cards, are directly realized by remote operation, and electricity forward purchasing can be directly inputted by backstage main station system software or control mobile phone,
Teletransmission is to system controller, after returning to confirmation through system controller, and power purchase operation is completed, and terminal sends combined floodgate to backstage
Signal, automatically closes a floodgate high-voltage switch gear, and user restores electricity, and user can send short messages inquiry dump energy at any time during use.
It is achieved thereby that the function such as electric energy metrical, control, pre-payment remote meter reading, spatial load forecasting, remote monitoring of energy data.
Although being described in conjunction with the accompanying embodiment of the present utility model, those skilled in the art can not depart from
Various modification can be adapted in the case of spirit and scope of the present utility model and modification, and such modifications and variations are each fallen within by appended
Within claim limited range.
Claims (8)
1. a kind of metering type vacuum circuit breaker, it is characterised in that including：
Metering current mulual inductor, for AC network mutual inductance, alternating current sensing under export metering current；
Metered voltage transformer, for the AC network mutual inductance, export metered voltage under the sensing of alternating voltage；
Metering device, is connected with the metering current mulual inductor and the metered voltage transformer, for receiving the metering electricity
Stream and the metered voltage obtain metric results；
The metering current mulual inductor, the metered voltage transformer and the metering device are integrated.
2. metering type vacuum circuit breaker according to claim 1, it is characterised in that the metered voltage transformer is additionally operable to
The output control voltage under the sensing of the alternating voltage.
3. metering type vacuum circuit breaker according to claim 2, it is characterised in that also include：
Closing device, is connected with the output end of the metered voltage transformer, for receiving the control voltage, and by the control
Voltage conversion processed is into the first driving voltage, to drive breaker closing；
Switching-off device, is connected with the output end of the metered voltage transformer, for receiving the control voltage, and by the control
Voltage conversion processed is into the second driving voltage, to drive breaker open operation.
4. metering type vacuum circuit breaker according to claim 3, it is characterised in that the closing device includes：
First rectifier bridge, is connected by switch knob and the first magnetic blow-out switch with the output end of the metered voltage transformer, is used
In the reception control voltage, and the control voltage is converted into the first driving voltage；
Closing coil, is connected with first rectifier bridge, for driving the open circuit under the driving of first driving voltage
Device closes a floodgate；
Combined floodgate Tip element, is connected by the first auxiliary switch with the output end of the metered voltage transformer, for described
During breaker closing, the first auxiliary switch closure is pointed out with sending to close a floodgate.
5. metering type vacuum circuit breaker according to claim 3, it is characterised in that the switching-off device includes：
Second rectifier bridge, is connected by opening button and the second magnetic blow-out switch with the output end of the metered voltage transformer, is used
In the reception control voltage, and the control voltage is converted into the second driving voltage；
Switching winding, is connected with second rectifier bridge, for driving the open circuit under the driving of second driving voltage
Device separating brake；
Separating brake Tip element, is connected by the second auxiliary switch with the output end of the metering transformer, in the open circuit
During device separating brake, the second auxiliary switch closure is pointed out with sending separating brake.
6. metering type vacuum circuit breaker according to claim 2, it is characterised in that also include：
Energy storage device, the energy storage device includes the 3rd rectifier bridge, operating mechanism and the 3rd magnetic blow-out switch；
3rd rectifier bridge respectively with the output end of the metered voltage transformer, the operating mechanism and the 3rd magnetic blow-out
Switch connection, is converted into the 3rd driving voltage, to drive the behaviour for receiving the control voltage, and by the control voltage
Make mechanism energy storage.
7. metering type vacuum circuit breaker according to claim 5, it is characterised in that also include：
Protective current transformer, and AC power mutual inductance, for the output protection electric current under the sensing of alternating current；
Surge controller, is connected with the protective current transformer, for receiving the protective current；
When the protective current is more than the scheduled current of the surge controller, the surge controller is connected the separating brake and pressed
Button, controls the breaker open operation.
8. a kind of 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 the metering device, the metric results for receiving the metering device；
Remote control terminal, is interacted with the communicator, for described disconnected according to the control of the metric results of the metering device
Road device separating brake or combined floodgate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031124.7U CN206583965U (en) | 2016-08-31 | 2016-08-31 | Metering type vacuum circuit breaker and metering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031124.7U CN206583965U (en) | 2016-08-31 | 2016-08-31 | Metering type vacuum circuit breaker and metering system |
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| CN206583965U true CN206583965U (en) | 2017-10-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291095A (en) * | 2016-08-31 | 2017-01-04 | 浙江人民电器有限公司 | Metering type vacuum circuit breaker and metering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291095A (en) * | 2016-08-31 | 2017-01-04 | 浙江人民电器有限公司 | Metering type vacuum circuit breaker and metering system |
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