CN205028839U - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
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- CN205028839U CN205028839U CN201520692973.6U CN201520692973U CN205028839U CN 205028839 U CN205028839 U CN 205028839U CN 201520692973 U CN201520692973 U CN 201520692973U CN 205028839 U CN205028839 U CN 205028839U
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Abstract
The utility model relates to a vacuum circuit breaker, it includes that base, circuit breaker body and CVT get the electric installation, its characterized in that, circuit breaker body and CVT get the electric installation and install on the base, CVT gets the electric installation and is used for getting the electricity and giving from high voltage transmission lines each electricity unit power supply of vacuum circuit breaker, and wherein, vacuum circuit breaker's control circuit part sets up in the base and lie in CVT gets the electric installation below. Through with control section with to get electricity part integrated to the circuit breaker body, the utility model discloses a vacuum circuit breaker has realized that compact structure, function are reliable, simple to operate's effect.
Description
Technical field
The utility model relates to power system automatic field, particularly relates to a kind of vacuum circuit-breaker.
Background technology
On-pole switch is one of elementary cell of power distribution network, and along with the development of intelligent distribution network, on coupled columns, switchgear proposes new requirement.The intellectuality of on-pole switch, integration (namely in on-pole switch integrated necessity sensing equipment and control actuating equipment) be that intelligent distribution network is different from one of outstanding feature of conventional electrical distribution net.
Current on-pole switch equipment is separated with the development and Design of secondary electron equipment, to their verification experimental verification be also be separated, this makes the electromagnetic compatibility problem of some keys can not get verifying well, causes running breaker in middle equipment fault and takes place frequently, be but difficult to find failure cause.Therefore, if integrated design can be carried out to on-pole switch, so integrally can carry out verification experimental verification, thus the reliability of high-tension apparatus and the sensitiveness of sensing equipment can be ensured.
Vacuum circuit-breaker is one of the most common on-pole switch.The electricity getting device, control cabinet etc. of vacuum circuit-breaker of the prior art are normally separated with breaker body, and this structure causes that wiring is complicated and the shortcoming such as reliability is low, and the in-site installation amount of labour is large.
Utility model content
In view of the above present situation of prior art, main purpose of the present utility model is to provide a kind of vacuum circuit-breaker, its structure adopting breaker body and electricity getting device, control device integrated.Further, this vacuum circuit-breaker is easy for installation, reliable operation.Further, this vacuum circuit-breaker power consumption is lower.
Above object is realized by technical scheme below:
A kind of vacuum circuit-breaker, it comprises base, breaker body and CVT (capacitance type potential transformer) electricity getting device, wherein, breaker body and CVT electricity getting device are arranged on described base, described CVT electricity getting device is for powering from power taking on high-tension line and to each power unit of described vacuum circuit-breaker, and wherein, the control circuit part of described vacuum circuit-breaker to be arranged in described base and to be positioned at below described CVT electricity getting device.
Preferably; described control circuit part comprises intelligent power management module, main monitoring module, back-up source and divide-shut brake power supply; wherein said main monitoring module is for realizing monitoring to single feeder switch and protection; described divide-shut brake power supply is used for the divide-shut brake coil energy supply of circuit breaker, and described back-up source to be used for when system cut-off by described intelligent power management module to described main monitoring module and described divide-shut brake Power supply.
Preferably, described back-up source is super capacitor, and/or described divide-shut brake power supply is electrochemical capacitor.
Preferably, described main monitoring module comprises main CPU unit, analogy signal processing unit and switching signal processing module, described analogy signal processing unit is used for receiver voltage, electric current input, and described switching signal processing module is used for remote signalling amount Isolation input and remote control exports isolation.
Preferably, described main monitoring module also comprises: internal wireless group-net communication plate, and it communicates for the vacuum circuit-breaker being configured with internal wireless group-net communication plate with other; Communication module, it is for sending fault alarm signal to main station system or the command information that receives from user or main station system; Peripheral storage, it is for sequence of events recording (SOE) and failure logging; And/or anomaly monitoring module, it is for making described main monitoring module restart when described main CPU unit is collapsed.
Preferably, described main CPU unit adopts ATSAM4E16E processor as master control core.
Preferably, described CVT electricity getting device inside is integrated with voltage sensor, for described main monitoring module output voltage signal.
Preferably, described vacuum circuit-breaker comprises spring energy-storage operating mechanism, and described spring energy-storage operating mechanism comprises energy storage motor, and the normally closed point of described energy storage motor disconnects at the end of energy storage motor energy storage.
Preferably, the side of described base is provided with communication module installation site in the position near described control circuit part, has protective cover in the outer setting of described communication module installation site.
Preferably, described breaker body is ZW32-12 vacuum circuit breaker body, and it comprises three-phase vacuum extinction chamber device and respective current transformer.
Control section and power taking are successfully partially integrated on breaker body by vacuum circuit-breaker of the present utility model, achieve compact conformation, reliable in function, integral structure easy for installation.By accepting the voltage that the built-in voltage sensor of electricity getting device exports, this vacuum circuit-breaker can also realize power distribution automation function.By the low power operation of energy storage motor tank circuit, the overall power of vacuum circuit-breaker of the present utility model is minimized.
Accompanying drawing explanation
Be described hereinafter with reference to the preferred implementation of accompanying drawing to vacuum circuit-breaker of the present utility model.In figure:
Fig. 1 is the perspective schematic view of vacuum circuit-breaker of the present utility model;
Fig. 2 is the explanatory view of a side of the vacuum circuit-breaker of Fig. 1;
Fig. 3 is the schematic plan of the vacuum circuit-breaker of Fig. 2;
Fig. 4 is the schematic right-side view of the vacuum circuit-breaker of Fig. 2;
Fig. 5 is the left side schematic elevational view of the vacuum circuit-breaker of Fig. 2, and wherein base is partially cut-away, to schematically show inner electric component;
Fig. 6 is the schematic rear view of the vacuum circuit-breaker of Fig. 2;
Fig. 7 is the diagrammatic view in principle block diagram of the main monitoring module of the control circuit part of vacuum circuit-breaker of the present utility model;
Fig. 8 is the schematic block diagram of the CVT electricity getting device of vacuum circuit-breaker of the present utility model; And
Fig. 9 schematically illustrates the tank circuit of the energy storage motor of vacuum circuit-breaker of the present utility model.
Embodiment
First see Fig. 1-6, the contour structures of vacuum circuit-breaker of the present utility model is that schematically illustrated.
Generally, vacuum circuit-breaker of the present utility model comprises base 9, breaker body and CVT (capacitance type potential transformer) electricity getting device 2.Wherein, the shell of base 9 preferably adopts stainless steel material, to adapt to outdoor adverse circumstances.In a preferred embodiment, breaker body adopts ZW32-12 vacuum circuit breaker body, and it comprises three-phase vacuum extinction chamber device 7 and respective current transformer 8.
In preferred way of realization of the present utility model, breaker body and CVT electricity getting device 2 are installed on described base 9.Such as, CVT electricity getting device 2 is arranged in the side of three-phase vacuum extinction chamber device 7, makes itself and three-phase vacuum arc-extinguishing device 7 be similar in one line.For this reason, base 9 compared to the base proper extension of the vacuum circuit-breaker of prior art, to guarantee that CVT electricity getting device 2 can reliably be arranged on base.The inside of the prolongation of base, also be the inside of the base portion below CVT electricity getting device 2, then be arranged for and arrange the control circuit part of this vacuum circuit-breaker or the space of associated electrical components, thus make the electric component of being correlated with or circuit part can be within this space accommodating whole or in part, to reach the object omitting traditional control cabinet.
By above-mentioned setting, the breaker body part of vacuum circuit-breaker, control cabinet part and power taking are partially integrated into together, thus form a kind of vacuum circuit-breaker of integration.Because each part is assembled together, the vacuum circuit-breaker of thus this integration is easier to solve electromagnetic compatibility problem.Meanwhile, owing to being partially integrated on breaker body by control cabinet part and power taking, the wiring thus between them completes along with the assembling of product, and this makes, and field connection is simple, installation is easy.In addition, owing to eliminating traditional control cabinet part, equally also just decrease the annex such as mounting bracket, aviation plug stube cable, thus also save cost, improve reliability and stability, and easy to maintenance.
Wherein, CVT electricity getting device 2 for powering to each power unit of described vacuum circuit-breaker from power taking on high-tension line, such as divide-shut brake power supply (as electrochemical capacitor), back-up source (as super capacitor) and other circuit element or module etc. (such as communication module, main monitoring module etc.).In order to realize current-taking function, the top of this CVT electricity getting device 2 is connected to the top of adjacent vacuum extinction chamber device 7 by electric installation (preferred conductive plate) 1, such as, utilize threaded connector to be fixed connection.
Preferably, as shown in Figure 5, the control circuit part of vacuum circuit-breaker of the present utility model comprises intelligent power management module 5, main monitoring module 4, back-up source 6 and divide-shut brake power supply 3, and they are by supporting member or be directly fixed on the inwall of base 9.Wherein, described main monitoring module 4 is cores of control circuit, and it is for realizing monitoring to single feeder switch and protection.Described divide-shut brake power supply 3 is for the divide-shut brake coil energy supply to circuit breaker, and it is preferably electrochemical capacitor in the present embodiment.Described back-up source 6 is for powering to described main monitoring module 4 and described divide-shut brake power supply 3 by described intelligent power management module 5 when circuit power-off.In the present embodiment, back-up source 6 is preferably super capacitor, and when it can ensure line outage, system worked well exceedes the regular hour, such as, be not less than 30 minutes, and meets that circuit breaker divides continuously, closing a floodgate more than 3 times operates.
Preferably, as shown in Figure 7, described main monitoring module 4 comprises main CPU unit, analogy signal processing unit and switching signal processing module, wherein, as failure criterion voltage and current (wherein, voltage from the voltage sensor in CVT device, the current transformer that electric current is installed from vacuum circuit-breaker) input to after analogy signal processing unit processes and deliver to main CPU unit, for judging feeder line whether fault.For two-way communication between switching signal processing module and main CPU unit, its effect realizes remote signalling amount Isolation input and remote control exports isolation, thus can sense switch state, fault message and carry out straighforward operation to circuit breaker in real time.Wherein, remote signalling input adopts high voltage bearing Phototube Coupling to prevent interference, and remote control exports the control procedure adopting two-step evolution and preset-anti-school-execution, guarantees output safety, controls to export as relay normally open contact.
In addition, this main monitoring module 4 can also comprise: internal wireless group-net communication plate, its effect is that the vacuum circuit-breaker being configured with internal wireless group-net communication plate with other communicates, such as, there is no the remote districts of GPRS signal, this internal wireless group-net communication plate can be passed through, fault alarm signal is transferred on the vacuum circuit-breaker of another one configuration internal wireless group-net communication plate (having the place of GPRS signal), and then by the mode of relaying, fault alarm signal is transferred to main website or user; Communication module, such as GPRS communication module, its effect sends fault alarm signal to command information from user or main station system of main station system or reception; Peripheral storage, its effect is that SOE records (i.e. sequence of events recording) and failure logging; And/or anomaly monitoring module, its effect makes described main monitoring module restart.
Preferably, main CPU unit adopts high-performance ultra low-power microcontroller as master control core, and adopt such as ATSAM4E16E processor, power consumption and the port leakage current of this processor are lower.
In addition, the communication equipments such as the peripheral easily extensible serial ports of this main monitoring module, Ethernet interface, thus corresponding expanding communication module can be equipped with neatly according to the difference of telex network mode.Correspondingly, the side-walls (position near control circuit part) of base can reserve the installation site of expanding communication module.When reserved communication module installation site, the sidewall of base is also provided with protective cover 10, it protects communication module or this installation site in the outside of communication module installation site, such as waterproof and dustproof etc.Preferably, described protective cover 10 selects SMC (abbreviation of Sheetmoldingcompound) material, to avoid shielded communication signal while providing water-tight performance, Corrosion Protection.In addition, the material being suitable for protective cover 10 also comprises PC and ABS etc.
As another preferred implementation of vacuum circuit-breaker of the present utility model, CVT electricity getting device 2 inside is integrated with voltage sensor, for to described main monitoring module 4 output voltage signal, thus judge whether system has electricity, to realize power distribution automation function for main monitoring module.The preferred implementation of this power distribution automation function is, judged electricity or without electricity after, by the cooperation with higher level or subordinate's switch, or main station system sends a deciliter instruction, make from the nearest switch separating brake of fault, thus isolated fault, finally interconnection switch is closed a floodgate, realize non-faulting region and restore electricity.The schematic block diagram of this CVT electricity getting device as shown in Figure 8.During work, after the input of high pressure (such as 5.77kV) AC signal, output voltage signal (such as 200mV) after voltage transformer (i.e. foregoing voltage sensor) conversion, meanwhile, the signal from the low-voltage capacitance of CVT electricity getting device exports direct current signal after AC/DC conversion.
For the circuit breaker (such as ZW32-12 vacuum circuit-breaker) with spring mechanism, energy storage motor is the part that power consumption is larger.Not enough for this, another improvements of the present utility model are, the vacuum circuit-breaker of this integration make use of the synchronization node of energy storage motor dexterously, make after energy storage motor completes stored energy operation, tank circuit departs from from control circuit completely, guarantees the electric energy of not consumption systems.
Particularly, as shown in Figure 9, when the non-energy storage of the energy storage motor M of spring mechanism, energy storage motor normally closed some B closes, and tank circuit conducting, energy storage motor starts energy storage.At the end of the energy storage motor M energy storage of spring mechanism, energy storage motor normally closed some B disconnects, and tank circuit departs from from system.The use of resistance R5, can improve the coil pick-up voltage of relay R L1, avoid super capacitor C8 charging voltage not reach set point occurs with regard to starting to carry out energy storage to the energy storage motor of spring mechanism once can not the phenomenon of energy storage completely.In addition, at the end of the energy storage motor energy storage of spring mechanism, energy storage motor normally closed some B disconnects, and relay R L1 also departs from from system, avoids the electric energy that the coil consumption systems of relay R L1 is limited, thus realizes the low-power consumption of whole system.
Therefore, the function such as preferred implementation integratedization, intellectuality, low-power consumption, power distribution automation of vacuum circuit-breaker of the present utility model, thus is particularly suitable for the demand of joining rural power grids.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each preferred version freely can combine, superpose.
Be to be understood that, above-mentioned execution mode is only exemplary, and it is nonrestrictive, when not departing from general principle of the present utility model, the various obvious or equivalent amendment that those skilled in the art can make for above-mentioned details or replacement, all will be contained in right of the present utility model.
Claims (10)
1. a vacuum circuit-breaker, it comprises base, breaker body and CVT electricity getting device, it is characterized in that, breaker body and CVT electricity getting device are arranged on described base, described CVT electricity getting device is for powering from power taking on high-tension line and to each power unit of described vacuum circuit-breaker, and wherein, the control circuit part of described vacuum circuit-breaker to be arranged in described base and to be positioned at below described CVT electricity getting device.
2. vacuum circuit-breaker according to claim 1; it is characterized in that; described control circuit part comprises intelligent power management module, main monitoring module, back-up source and divide-shut brake power supply; wherein said main monitoring module is for realizing monitoring to single feeder switch and protection; described divide-shut brake power supply is used for the divide-shut brake coil energy supply of circuit breaker, and described back-up source to be used for when system cut-off by described intelligent power management module to described main monitoring module and described divide-shut brake Power supply.
3. vacuum circuit-breaker according to claim 2, is characterized in that, described back-up source is super capacitor, and/or described divide-shut brake power supply is electrochemical capacitor.
4. vacuum circuit-breaker according to claim 2, it is characterized in that, described main monitoring module comprises main CPU unit, analogy signal processing unit and switching signal processing module, described analogy signal processing unit is used for receiver voltage, electric current input, and described switching signal processing module is used for remote signalling amount Isolation input and remote control exports isolation.
5. vacuum circuit-breaker according to claim 4, is characterized in that, described main monitoring module also comprises: internal wireless group-net communication plate, and it communicates for the vacuum circuit-breaker being configured with internal wireless group-net communication plate with other; Communication module, it is for sending fault alarm signal to main station system or the command information that receives from user or main station system; Peripheral storage, it is for sequence of events recording and failure logging; And/or anomaly monitoring module, it is for making described main monitoring module restart when described main CPU unit is collapsed.
6. the vacuum circuit-breaker according to claim 4 or 5, is characterized in that, described main CPU unit adopts ATSAM4E16E processor as master control core.
7. according to the vacuum circuit-breaker one of claim 2-5 Suo Shu, it is characterized in that, described CVT electricity getting device inside is integrated with voltage sensor, for described main monitoring module output voltage signal.
8. according to the vacuum circuit-breaker one of claim 1-5 Suo Shu, it is characterized in that, described vacuum circuit-breaker comprises spring energy-storage operating mechanism, and described spring energy-storage operating mechanism comprises energy storage motor, and the normally closed point of described energy storage motor disconnects at the end of energy storage motor energy storage.
9. according to the vacuum circuit-breaker one of claim 1-5 Suo Shu, it is characterized in that, the side of described base is provided with expanding communication module mounting location in the position near described control circuit part, has protective cover in the outer setting of described expanding communication module mounting location.
10. according to the vacuum circuit-breaker one of claim 1-5 Suo Shu, it is characterized in that, described breaker body is ZW32-12 vacuum circuit breaker body, and it comprises three-phase vacuum extinction chamber device and respective current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692973.6U CN205028839U (en) | 2015-09-08 | 2015-09-08 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692973.6U CN205028839U (en) | 2015-09-08 | 2015-09-08 | Vacuum circuit breaker |
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| CN205028839U true CN205028839U (en) | 2016-02-10 |
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| CN201520692973.6U Active CN205028839U (en) | 2015-09-08 | 2015-09-08 | Vacuum circuit breaker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152656A (en) * | 2018-01-25 | 2018-06-12 | 武汉彤科电力科技有限公司 | One kind is based on one or two fusion type Fault Isolation intelligent measuring and control devices |
| CN108389758A (en) * | 2018-01-30 | 2018-08-10 | 新疆特变电工自控设备有限公司 | A kind of pole-mounted circuit breaker of integrated mutual inductor |
| CN110853989A (en) * | 2019-11-12 | 2020-02-28 | 国网新疆电力有限公司经济技术研究院 | 10kV three-phase synthetic voltage and current integrated sensor self-energy-taking circuit breaker |
| CN112635236A (en) * | 2021-02-01 | 2021-04-09 | 云南电网有限责任公司曲靖供电局 | Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication |
-
2015
- 2015-09-08 CN CN201520692973.6U patent/CN205028839U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152656A (en) * | 2018-01-25 | 2018-06-12 | 武汉彤科电力科技有限公司 | One kind is based on one or two fusion type Fault Isolation intelligent measuring and control devices |
| CN108389758A (en) * | 2018-01-30 | 2018-08-10 | 新疆特变电工自控设备有限公司 | A kind of pole-mounted circuit breaker of integrated mutual inductor |
| CN110853989A (en) * | 2019-11-12 | 2020-02-28 | 国网新疆电力有限公司经济技术研究院 | 10kV three-phase synthetic voltage and current integrated sensor self-energy-taking circuit breaker |
| CN112635236A (en) * | 2021-02-01 | 2021-04-09 | 云南电网有限责任公司曲靖供电局 | Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180211 Address after: 301800 Baodi energy saving and environmental protection industrial zone, CUSTOMS BUILDING, room 110-18, Tianjin Patentee after: TIANJIN HAOYUAN HUINENG TECHNOLOGY Co.,Ltd. Address before: 100086 Haidian District, Zhichun Road, No. 15, layer 113, Patentee before: Beijing Zeyuan Huitong Technology Development Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 301800 No. 5 Tiantong Road, economic development zone, Baodi District, Tianjin Patentee after: Tianjin Haoyuan Huineng Co.,Ltd. Address before: Room 110-18, Customs Building, Baodi Energy Conservation and Environmental Protection Industrial Zone, Tianjin, 301800 Patentee before: TIANJIN HAOYUAN HUINENG TECHNOLOGY Co.,Ltd. |