CN207010346U - Applied to the active rapid switching device for shaking electric protection - Google Patents
Applied to the active rapid switching device for shaking electric protection Download PDFInfo
- Publication number
- CN207010346U CN207010346U CN201720711935.XU CN201720711935U CN207010346U CN 207010346 U CN207010346 U CN 207010346U CN 201720711935 U CN201720711935 U CN 201720711935U CN 207010346 U CN207010346 U CN 207010346U
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- China
- Prior art keywords
- switch
- electrically connected
- inverter
- switching device
- switched fast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005611 electricity Effects 0.000 claims abstract description 26
- 238000004146 energy storage Methods 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000012212 insulator Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of active rapid switching device for being applied to shake electric protection, it is desirable to provide a kind for the treatment of range is wide, switch speed is fast, energy consumption is low and cost is low, the active rapid switching device for being applied to shake electric protection of service life length.The utility model includes control unit KZQ, energy-storage units SU and with described control unit KZQ be electrically connected with inverter NB and be switched fast switch QS, the energy-storage units SU and inverter NB is electrically connected with, the AC ends of the inverter NB are electrically connected with by the first threephase switch K and the 3rd threephase switch K1 and the II interface for being switched fast switch QS, the DC ends of the inverter NB are electrically connected with by the second threephase switch K ' and public electric wire net, public electric wire net is electrically connected with by the 4th threephase switch K2 and the I interface for being switched fast switch QS, the switch QS that is switched fast is electrically connected with electricity consumption sensitive loads.The utility model is applied to administer the technical field that low pressure shakes electricity.
Description
Technical field
It the utility model is related to and administer the electric solution of low pressure rolling, it is more particularly to a kind of to be applied to shake the active fast of electric protection
Fast switching device.
Background technology
Electricity is shaken to refer to when transformation in the higher level of sensitive load supply network or associated peer or power supplied locally system
The generation such as device, switch, arrester, bus, circuit, load single-phase earthing, two-phase phase fault, three-phase phase fault, two connect
When the accidents such as ground or supply line switch in short-term, because existing relay protection and breaker actuation time are more than 50mS, it can cause
Power supply voltage is dropped or had a power failure in short-term suddenly, and the accidents such as Switching Power Supply dead electricity, device damage can be caused by shaking electricity, causes to produce ripple
Dynamic, operation confusion, personnel are panic.The lighter causes product quality accident, causes hundreds of thousands, millions of economic losses.Severe one is even
Cause serious accident, huge economic loss and severe social influence are brought to enterprise and society.
Existing solution power network shakes electricity or the scheme of short trouble mainly uses on line type UPS and dynamic electric voltage recovery device DVR
Two ways.
On line type UPS has stronger software function, can easily surf the Net, and carries out UPS remote control and intellectuality
Management；Inversion while floating charge, investigate and switch without microcontroller circuit, 0 switching time；Multiple design defencive function is set
Meter is greatly lowered fault rate.But there is also operation energy consumption is high, equipment cost is high, operation and maintenance cost on line type UPS
The high, problem such as service life is low.
It is energy-storage travelling wave tube that dynamic electric voltage recovery device DVR, which employs super capacitor, has power density height, discharge and recharge time
It is short, have extended cycle life, the advantages of operating temperature range is wide.But it is longer the time required to dynamic electric voltage recovery device DVR switchings, and
And the scope for administering rolling electricity is smaller.
Utility model content
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind for the treatment of range
Extensively, switch speed is fast, energy consumption is low and cost is low, the active rapid switching device for being applied to shake electric protection of service life length.
Technical scheme is used by the utility model：The utility model includes control unit, energy-storage units and and institute
State the inverter of control unit electric connection and be switched fast switch, the energy-storage units are electrically connected with the inverter, institute
The AC ends for stating inverter are electrical by the first threephase switch and the 3rd threephase switch and the II interface for being switched fast switch
Connection, the DC ends of the inverter are electrically connected with by the second threephase switch and public electric wire net, and public electric wire net passes through the 4th three-phase
Switch is electrically connected with the I interface for being switched fast switch, and the switch that is switched fast electrically connects with electricity consumption sensitive loads
Connect.
Further, the switch that is switched fast includes vacuum contactor and vortex drive mechanism, the vacuum contactor
It is connected with the vortex drive mechanism.
Further, the vacuum contactor include insulator, the upper extraction copper bar installed in the insulator upper and lower ends and
It is lower to draw copper bar, from top to bottom embedded static contact, moving contact and the bellows being arranged in the insulator, the static contact with
The upper extraction copper bar is connected, and the moving contact is connected with the lower extraction copper bar, and the lower end of the static contact is also connected with
There is connecting rod, link insulator is provided with the middle part of the connecting rod.
Further, the vacuum contactor is connected by the connecting rod with the vortex drive mechanism, the vortex
Drive mechanism includes charge power supply, is connected in parallel on the combined floodgate storage capacitor and separating brake storage capacitor at the charge power supply both ends, described
Switching-on controller and separating brake controller in parallel, the shutting-brake control are distinguished in combined floodgate storage capacitor and the separating brake storage capacitor both ends
One end of device and the separating brake controller is connected with the closing coil and the switching winding, separating brake line by wire respectively
Circle, closing coil, are provided with eddy-current disc, the eddy-current disc is fixed with the connecting rod between the switching winding and the closing coil
Connection.
Further, the energy-storage units are composed in series by the carbon-based capacitor batteries of more piece.
Further, the switch that is switched fast carries out circuit switching connection under the control of described control unit, can be real
Now following function：
Filled while a public electric wire nets provide AC power directly to electricity consumption sensitive loads by inverter to energy-storage units
Electricity；
B energy-storage units provide AC power in short-term by inverter to electricity consumption sensitive loads.
The beneficial effects of the utility model are：Due to the utility model include control unit, energy-storage units and with it is described
The inverter and be switched fast switch that control unit is electrically connected with, the energy-storage units are electrically connected with the inverter, described
The AC ends of inverter are electrically connected by the first threephase switch and the 3rd threephase switch with the II interface for being switched fast switch
Connect, the DC ends of the inverter are electrically connected with by the second threephase switch and public electric wire net, and public electric wire net is opened by the 4th three-phase
Closing and be electrically connected with the I interface for being switched fast switch, the switch that is switched fast is electrically connected with electricity consumption sensitive loads,
So the utility model when public electric wire net occurs to shake electric, can be incited somebody to action by the quick closing valve that is switched fast no more than in 20mS
Electricity consumption sensitive loads, which disconnect from public electric wire net and enable energy-storage units, provides the AC power synchronous with public electric wire net, ensures electricity consumption
Sensitive loads public electric wire net fluctuate during can normal work, to avoid causing great economic loss.
Brief description of the drawings
Fig. 1 is system principle line frame graph of the present utility model；
Fig. 2 is the structural representation that the utility model is switched fast switch.
Embodiment
As depicted in figs. 1 and 2, in the present embodiment, the utility model include control unit KZQ, energy-storage units SU and
With the described control unit KZQ inverter NB being electrically connected with and being switched fast switch QS, the energy-storage units SU and the inversion
Device NB is electrically connected with, and the AC ends of the inverter NB are quickly cut by the first threephase switch K and the 3rd threephase switch K1 with described
The II interface for changing switch QS is electrically connected with, and the DC ends of the inverter NB are electrical by the second threephase switch K ' and public electric wire net
Connection, public electric wire net is electrically connected with by the 4th threephase switch K2 and the I interface for being switched fast switch QS, described quick
Switching switch QS is electrically connected with electricity consumption sensitive loads.The switch QS that is switched fast can be sensitive negative by electricity consumption within 5mS
Carry and disconnected from public electric wire net, and be switched to energy-storage units SU power supply states；The inverter NB can store energy-storage units SU
Energy inversion be the three-phase alternating current synchronous with public electric wire net, it is sensitive negative to electricity consumption in short-term when public electric wire net occurs to shake electric
Power supply is carried, the inverter NB output frequencies are synchronous with public electric wire net, ensure that load is switched to present apparatus power supply by public electric wire net
Or when by present apparatus power supply switching back to public electric wire net power supply, phase is consistent, and no surge produces, and according to the difference of applying working condition,
Inverter output is optional with installation transformer.
In the present embodiment, the switch QS that is switched fast includes vacuum contactor 1 and vortex drive mechanism 2, described true
Empty contactor 1 is connected with the vortex drive mechanism 2.The switch QS that is switched fast uses Quick eddy actuation techniques, holds
Units select vacuum contactor, lossless during operation, tolerance is strong, compare solid-state switch（SSTS、SSB）Can with higher
It is switching time≤20mS under described control unit KZQ control by property, meets that highest ranking is " tight in sensitive loads classification
Lattice load：Supply voltage requirement of the terminal duration less than 20mS " in short-term.
In the present embodiment, the vacuum contactor 1 includes insulator 11, drawn in the upper and lower ends of insulator 11
Go out copper bar 12 and lower extraction copper bar 13, from top to bottom embedded static contact 14, moving contact 15 and ripple in the insulator 11
Line pipe 16, the static contact 14 are connected with the upper extraction copper bar 12, the moving contact 15 and the lower extraction phase of copper bar 13
Connection, the lower end of the moving contact 15 are also associated with connecting rod 17, and the middle part of the connecting rod 17 is provided with link insulator 18.It is described
Vacuum contactor 1 has the advantages that arc-rupturing capacity is strong, and good pressure-resistant performance, operating frequency is higher, long lifespan, is sprayed outside no electric arc, and
Small volume, in light weight, maintenance cycle is longer, is safeguarded beneficial to installation.
In the present embodiment, the vacuum contactor 1 is connected by the connecting rod 17 with the vortex drive mechanism 2,
The vortex drive mechanism 2 includes charge power supply 21, is connected in parallel on the combined floodgate storage capacitor 22 and separating brake at the charge power supply both ends
The He of combined floodgate power switch 24 in parallel is distinguished at storage capacitor 23, the combined floodgate storage capacitor 22 and the both ends of separating brake storage capacitor 23
One end of separating brake power switch 25, the combined floodgate power switch 24 and the separating brake power switch 25 is connected with by wire respectively
The closing coil 26 and the switching winding 27, eddy-current disc is provided between the closing coil 26 and the switching winding 27
28, the eddy-current disc 28 is fixedly connected with the connecting rod 17.
In the present embodiment, the energy-storage units SU is composed in series by the carbon-based capacitor batteries of more piece.The energy-storage units SU
It is made up of carbon-based capacitor batteries group, single battery capacity is 1.3AH, is connected using more piece series-parallel system, nothing between cell
Need equilibrium, cycle life is up to more than ten thousand times and non-maintaining, service life length, output can direct short-circuit, good temp characteristic, can-
Normal operation in 10 DEG C~+55 DEG C ambient temperature ranges, system 200Kw/25S short time, high magnification power reguirements can be met.
In the present embodiment, the switch QS that is switched fast carries out circuit switching under described control unit KZQ control
Connection, following function can be achieved：
By inverter NB to energy-storage units while a public electric wire nets provide AC power directly to electricity consumption sensitive loads FZ
SU charges；
B energy-storage units SU provides AC power in short-term by inverter NB to electricity consumption sensitive loads FZ.
Operation principle of the present utility model is：
Public electric wire net under normal circumstances, by public electric wire net powered by electricity consumption sensitive loads, and the present apparatus is by public electric wire net to institute
Energy-storage units SU is stated to charge and keep, at the same the inverter NB inversion outputs exchange AC380V synchronous with public electric wire net or its
The power supply of its voltage class.When electricity or short trouble occur to shake for public electric wire net, described control unit KZQ to failure by carrying out
Quick diagnosis, failure judgement is in area or external area error.Voltage is caused to drop suddenly if failure is external area error, described control unit
KZQ sends switching command immediately in 2mS, and the high-speed switch QS disconnects electricity consumption sensitive equipment from power network within 5mS,
And switch to present apparatus power supply, it is ensured that electricity consumption sensitive loads power off time is no more than 20mS.Present apparatus power-on time lasts about 2S
~5S, if public electric wire net power off time is shut down, after public electric wire net recovers normal, electricity consumption sensitive loads are again more than 2S or 5S
Switchback public electric wire net is powered；It is described to be switched fast the switch direct fast shut-off fault branches of QS if failure is troubles inside the sample space, no
Failure can be introduced into the present apparatus.
The technical field that low pressure shakes electricity is administered in the utility model application.
Although embodiment of the present utility model is described with practical solution, do not form the utility model is contained
The limitation of justice, for those skilled in the art, according to modification of this specification to its embodiment and the group with other schemes
Conjunction will be apparent from.
Claims (5)
- A kind of 1. active rapid switching device for being applied to shake electric protection, it is characterised in that：It includes control unit（KZQ）, storage Can unit（SU）And and described control unit（KZQ）The inverter of electric connection（NB）Switched with being switched fast（QS）, it is described Energy-storage units（SU）With the inverter（NB）It is electrically connected with, the inverter（NB）AC ends pass through the first threephase switch（K） And the 3rd threephase switch（K1）Switch is switched fast with described（QS）II interface be electrically connected with, the inverter（NB）DC End passes through the second threephase switch（K’）It is electrically connected with public electric wire net, public electric wire net passes through the 4th threephase switch（K2）With it is described fast Speed switching switch（QS）I interface be electrically connected with, it is described to be switched fast switch（QS）It is electrically connected with electricity consumption sensitive loads.
- 2. the active rapid switching device according to claim 1 for being applied to shake electric protection, it is characterised in that：It is described quick Switching switch（QS）Including vacuum contactor（1）And vortex drive mechanism（2）, the vacuum contactor（1）Driven with the vortex Motivation structure（2）It is connected.
- 3. the active rapid switching device according to claim 2 for being applied to shake electric protection, it is characterised in that：The vacuum Contactor（1）Including insulator（11）, installed in the insulator（11）The upper extraction copper bar of upper and lower ends（12）And lower extraction copper bar （13）, from top to bottom insertion be arranged on the insulator（11）Interior static contact（14）, moving contact（15）And bellows（16）, it is described Static contact（14）With the upper extraction copper bar（12）It is connected, the moving contact（15）With the lower extraction copper bar（13）It is connected Connect, the moving contact（15）Lower end be also associated with connecting rod（17）, the connecting rod（17）Middle part be provided with link insulator （18）.
- 4. the active rapid switching device according to claim 3 for being applied to shake electric protection, it is characterised in that：The vacuum Contactor（1）Pass through the connecting rod（17）With the vortex drive mechanism（2）It is connected, the vortex drive mechanism（2）Including Charge power supply（21）, it is connected in parallel on the combined floodgate storage capacitor at the charge power supply both ends（22）With separating brake storage capacitor（23）, it is described Combined floodgate storage capacitor（22）With the separating brake storage capacitor（23）Distinguish combined floodgate power switch in parallel in both ends（24）With separating brake electric power Switch（25）, the combined floodgate power switch（24）With the separating brake power switch（25）One end conjunction is connected with by wire respectively Brake cable circle（26）And switching winding（27）, the closing coil（26）With the switching winding（27）Between be provided with eddy-current disc （28）, the eddy-current disc（28）With the connecting rod（17）It is fixedly connected.
- 5. the active rapid switching device according to claim 1 for being applied to shake electric protection, it is characterised in that：The energy storage Unit（SU）It is composed in series by the carbon-based capacitor batteries of more piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711935.XU CN207010346U (en) | 2017-06-19 | 2017-06-19 | Applied to the active rapid switching device for shaking electric protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711935.XU CN207010346U (en) | 2017-06-19 | 2017-06-19 | Applied to the active rapid switching device for shaking electric protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010346U true CN207010346U (en) | 2018-02-13 |
Family
ID=61446479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711935.XU Active CN207010346U (en) | 2017-06-19 | 2017-06-19 | Applied to the active rapid switching device for shaking electric protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010346U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147208A (en) * | 2017-06-19 | 2017-09-08 | 珠海泰坦科技股份有限公司 | Applied to the active rapid switching device for shaking electric protection |
| CN112196739A (en) * | 2020-10-10 | 2021-01-08 | 国电联合动力技术有限公司 | Wind generating set uninterrupted power supply intelligent regulation and control system and method |
| CN114314189A (en) * | 2021-12-30 | 2022-04-12 | 苏州盛虹纤维有限公司 | Control system and control method for windows winding unit |
-
2017
- 2017-06-19 CN CN201720711935.XU patent/CN207010346U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147208A (en) * | 2017-06-19 | 2017-09-08 | 珠海泰坦科技股份有限公司 | Applied to the active rapid switching device for shaking electric protection |
| CN112196739A (en) * | 2020-10-10 | 2021-01-08 | 国电联合动力技术有限公司 | Wind generating set uninterrupted power supply intelligent regulation and control system and method |
| CN112196739B (en) * | 2020-10-10 | 2022-04-26 | 国电联合动力技术有限公司 | Wind generating set uninterrupted power supply intelligent regulation and control system and method |
| CN114314189A (en) * | 2021-12-30 | 2022-04-12 | 苏州盛虹纤维有限公司 | Control system and control method for windows winding unit |
| CN114314189B (en) * | 2021-12-30 | 2023-11-03 | 苏州盛虹纤维有限公司 | Control system and control method for windows winding unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Contract record no.: X2022980021491 Denomination of utility model: Active fast switching device for power swing protection Granted publication date: 20180213 License type: Exclusive License Record date: 20221115 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Active fast switching device for power swing protection Effective date of registration: 20221118 Granted publication date: 20180213 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Registration number: Y2022980022396 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180213 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Registration number: Y2022980022396 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Contract record no.: X2022980021491 Date of cancellation: 20240426 |
|
| EC01 | Cancellation of recordation of patent licensing contract |