CN202695269U - Intelligent self-energy-fetching vacuum circuit breaker - Google Patents

Intelligent self-energy-fetching vacuum circuit breaker Download PDF

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Publication number
CN202695269U
CN202695269U CN 201220226816 CN201220226816U CN202695269U CN 202695269 U CN202695269 U CN 202695269U CN 201220226816 CN201220226816 CN 201220226816 CN 201220226816 U CN201220226816 U CN 201220226816U CN 202695269 U CN202695269 U CN 202695269U
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CN
China
Prior art keywords
module
energy
vacuum circuit
base
circuit breaker
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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.)
Expired - Fee Related
Application number
CN 201220226816
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Chinese (zh)
Inventor
尹之仁
王继锋
周勇
刘超
郭琳云
甘兴林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xianyang power supply bureau
XI'AN XINGHUI ELECTRIC TECHNOLOGY Co Ltd
Original Assignee
Xianyang power supply bureau
XI'AN XINGHUI ELECTRIC TECHNOLOGY Co Ltd
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Priority to CN 201220226816 priority Critical patent/CN202695269U/en
Application granted granted Critical
Publication of CN202695269U publication Critical patent/CN202695269U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an intelligent self-energy-fetching vacuum circuit breaker which comprises a base, three-phase vacuum arc extinguishing chamber devices, three high-voltage current transformers and a spring energy storage operating mechanism, wherein a divide-shut brake operating arm and an energy storage operating arm, which are connected with the spring energy storage operating mechanism, are installed on the base; the vacuum circuit breaker further comprises an intelligent controller used for controlling the vacuum circuit breaker; an electricity fetching device is arranged at the top end of the base and used for fetching electricity from a high-voltage operation line so as to power all electricity utilization units; a signal processing unit used for processing signals output from both the electricity fetching device and the high-voltage current transformers is installed in the base; the electricity fetching device is in electric connection with the upper ends of the vacuum arc extinguishing chamber devices, and is connected with the signal processing unit connected with the high-voltage current transformers; and the signal processing unit is connected with the intelligent controller. The vacuum circuit breaker provided by the utility model has the advantages of compact structure, reasonable and novel design, high reliability, good safety performance, strong practicability and high application and popularization values, is favorable for prompting the development of distribution network automation.

Description

The self-energizing intelligent vacuum circuit breaker
Technical field
The utility model belongs to the power system automation technology field, especially relates to a kind of self-energizing intelligent vacuum circuit breaker.
Background technology
In the construction of distribution automation system, the power taking problem of automation equipment is a large bottleneck of distribution line upgrading always, and what have utilizes the high voltage potential transformer power taking, and what have utilizes the high-tension current inductor power taking, what also have utilizes the device of solar generating power taking, exists a lot of drawbacks.In implementing and using or investment is large, or wiring is complicated and unreliable, also might be subjected to the impact of the extraneous factors such as environment position, weather and payload, thereby limit the development of distribution automation.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of self-energizing intelligent vacuum circuit breaker is provided, its compact conformation, rationally novel in design, it is convenient to install and use, and functional reliability is high, security performance is good, practical, application value is high, helps and the development that promotes distribution automation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of self-energizing intelligent vacuum circuit breaker, comprise base and the three-phase vacuum extinction chamber device that is installed in the base top, and three high-tension current inductors that are connected with three-phase vacuum extinction chamber device and spring energy-storage operating mechanism, described spring energy-storage operating mechanism is arranged in the base, and the breaking-closing operating bar and the stored energy operation bar that are connected with the spring energy-storage operating mechanism are installed on the described base; It is characterized in that: also comprise the intelligent controller of controlling for to described vacuum circuit-breaker, the energy taking device that described base top is equipped with for power taking from the high-voltage operation circuit and is used for powering to each power unit of described vacuum circuit-breaker, the signal processing unit that the signal exported for the signal that energy taking device is exported and high-tension current inductor is processed is installed in the described base, described energy taking device is electrically connected with the upper end of vacuum extinction chamber device, described energy taking device and high-tension current inductor all join with signal processing unit, and described signal processing unit and described intelligent controller join.
Above-mentioned self-energizing intelligent vacuum circuit breaker, it is characterized in that: on the sidewall of described base rear bracing frame is installed, back shaft is installed on the support frame as described above, three isolation switchs are installed on the described back shaft, and an end end of described back shaft is equipped with the isolation switch action bars that is switched on or switched off for driving isolation switch and three-phase vacuum extinction chamber device.
Above-mentioned self-energizing intelligent vacuum circuit breaker is characterized in that: the two ends of described isolation switch action bars are symmetrically arranged with two operation bracelets.
Above-mentioned self-energizing intelligent vacuum circuit breaker; it is characterized in that: described energy taking device comprises the cluster parachute sleeve pipe and is laid in the interior one or more energy electric capacity of getting of cluster parachute sleeve pipe; described signal processing unit comprises transformer; be used for the tranformer protection module of when high-voltage operation circuit generation thunderbolt fault, transformer being protected and the low-voltage current mutual inductor that is used for the High Voltage signal of telecommunication that high-tension current inductor is exported is converted to the low pressure weak electric signal; a terminals ground connection of described transformer first siding ring; another terminals of described transformer first siding ring join through energy taking device and high-voltage operation circuit; described tranformer protection module is attempted by on two terminals of transformer first siding ring; the quantity of described low-voltage current mutual inductor is three and correspondingly respectively joins with three high-tension current inductors, and the output of the output of described transformer secondary lateral coil and three described low-voltage current mutual inductors all joins with the input of described intelligent controller.
Above-mentioned self-energizing intelligent vacuum circuit breaker is characterized in that: described quantity of getting energy electric capacity is three, and three described getting can from top to bottom be laid in the cluster parachute sleeve pipe by electric capacity, gets and can directly connect or connect by conducting connecting part by electric capacity for adjacent two.
Above-mentioned self-energizing intelligent vacuum circuit breaker, it is characterized in that: described top of getting energy electric capacity is provided with bolt, described below of getting energy electric capacity is provided with electrode, described bolt and described get can electric capacity between and described electrode be provided with conducting connecting part with described getting between the energy electric capacity, described bolt is installed on the described cluster parachute sleeve pipe by two nuts up and down, and the corresponding installing hole of installing for bolt that has on the described cluster parachute sleeve pipe, be provided with pad between two nuts up and down, the top of described bolt is electrically connected by the upper end of conducting rod with the vacuum extinction chamber device, and the bottom of described cluster parachute sleeve pipe offers for the installing hole that energy taking device is installed in described base top.
Above-mentioned self-energizing intelligent vacuum circuit breaker is characterized in that: described getting can electric capacity be the dry type metal film capacitor.
Above-mentioned self-energizing intelligent vacuum circuit breaker, it is characterized in that: described intelligent controller comprises AC/DC power module and microprocessor module, the input of described microprocessor module is connected to the communication circuit module that amplifies the signal conditioning circuit module of nursing one's health with filtering and be used for communicating with external control devices for the signal that low-voltage current mutual inductor is exported, the output of described microprocessor module is connected to the relay module of controlling for to the spring energy-storage operating mechanism, the output of the input of described AC/DC power module and described transformer secondary lateral coil joins, described microprocessor module, the signal conditioning circuit module, communication circuit module and relay module are all joined with the output of described AC/DC power module, and the output of the input of described signal conditioning circuit module and three described low-voltage current mutual inductors joins.
Above-mentioned self-energizing intelligent vacuum circuit breaker, it is characterized in that: be provided with communication plug on the described base side wall, the input of described AC/DC power module is connected on the communication plug and the output by telecommunication cable and described transformer secondary lateral coil joins, and the input of described signal conditioning circuit module is connected on the communication plug and the output by telecommunication cable and three described low-voltage current mutual inductors joins.
Above-mentioned self-energizing intelligent vacuum circuit breaker is characterized in that: described communication circuit module is GPRS communication module, SMS communication module or optical fiber communication module.
The utility model compared with prior art has the following advantages:
1, the utility model is by installing energy taking device additional at base, solved the power taking problem of each power unit in the vacuum circuit-breaker, energy taking device and circuit breaker integrated design are invested littlely, and can not be subjected to the impact of the extraneous factors such as environment position, weather and payload.
When 2, the utility model is installed and used at the scene, owing to do not need to connect high voltage potential transformer or device of solar generating, so line is very convenient, only need connection three to advance three and go out lead-in wire, install simply, reduced interruption duration, can reduce because the loss that has a power failure and bring to people's productive life.
3, the utility model compact conformation, volume is little, and is lightweight, rationally novel in design.
4, the utility model has installed isolation switch additional, has formed vacuum circuit-breaker and isolating switch combined electrical apparatus, has increased visible isolation cut-off point, and has reliable chain operation, so that functional reliability of the present utility model and security performance have had further raising.
5, the secondary conversion process of low-voltage current mutual inductor and signal conditioning circuit module has all been passed through in the outlet of all high-tension current inductors in the utility model in base, can thoroughly avoid the high-tension current inductor open circuit.
6, of the present utility model practical; application value is high; can detect high-voltage operation line load electric current by real-time online; the information such as voltage, on off state and single phase ground fault, phase fault; so that the operational management personnel can grasp the definite and eliminating of the fault section in circuit running status and the line fault situation online; realize monitoring and protecting and the control of distribution network system, also can realize the functions such as distant place control, supervision.
In sum, the utility model compact conformation, rationally novel in design, it is convenient to install and use, and functional reliability is high, and security performance is good, practical, application value is high, helps and the development that promotes distribution automation, solved vacuum circuit-breaker of the prior art existing investment is large in implementing and using, wiring is complicated and unreliable, easily be subjected to defective and the deficiencies such as the extraneous factors such as environment position, weather and payload affect.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the rearview of Fig. 1.
Fig. 5 is electrical connection diagram of the present utility model.
Fig. 6 is the structural representation of the utility model energy taking device.
Description of reference numerals:
Embodiment
Such as Fig. 1~shown in Figure 5, the utility model comprises base 1 and is installed in the three-phase vacuum extinction chamber device 2 on base 1 top, and three high-tension current inductors 3 that are connected with three-phase vacuum extinction chamber device 2 and spring energy-storage operating mechanism, described spring energy-storage operating mechanism is arranged in the base 1, and the breaking-closing operating bar 11 and the stored energy operation bar 12 that are connected with the spring energy-storage operating mechanism are installed on the described base 1; Also comprise for the intelligent controller 7 that described vacuum circuit-breaker is controlled, the energy taking device 4 that described base 1 top is equipped with for power taking from high-voltage operation circuit 16 and is used for powering to each power unit of described vacuum circuit-breaker, the signal processing unit 5 that the signal exported for the signal that energy taking device 4 is exported and high-tension current inductor 3 is processed is installed in the described base 1, described energy taking device 4 is electrically connected with the upper end of vacuum extinction chamber device 2, described energy taking device 4 and high-tension current inductor 3 all join with signal processing unit 5, and described signal processing unit 5 joins with described intelligent controller 7.
Such as Fig. 1~shown in Figure 5, in the present embodiment, on the described base 1 rear sidewall bracing frame 15 is installed, back shaft 8 is installed on the support frame as described above 15, three isolation switchs 9 are installed on the described back shaft 8, and an end end of described back shaft 8 is equipped with the isolation switch action bars 10 that is switched on or switched off for driving isolation switch 9 and three-phase vacuum extinction chamber device 2.The two ends of described isolation switch action bars 10 are symmetrically arranged with two operation bracelets 13.Owing to having installed isolation switch 9 additional, formed vacuum circuit-breaker and isolating switch combined electrical apparatus, increased visible isolation cut-off point, and had reliable chain operation, so that functional reliability of the present utility model and security performance have had further raising.
In conjunction with Fig. 6; in the present embodiment; described energy taking device 4 comprises cluster parachute sleeve pipe 4-1 and is laid in the interior one or more energy electric capacity 4-2 that get of cluster parachute sleeve pipe 4-1; described signal processing unit 5 comprises transformer 5-1; be used for the tranformer protection module 5-2 that when the thunderbolt fault occurs high-voltage operation circuit 16, transformer 5-1 is protected and the low-voltage current mutual inductor 5-3 that is used for the High Voltage signal of telecommunication that high-tension current inductor 3 is exported is converted to the low pressure weak electric signal; a terminals ground connection of described transformer 5-1 first siding ring; another terminals of described transformer 5-1 first siding ring join through energy taking device 4 and high-voltage operation circuit 16; described tranformer protection module 5-2 is attempted by on two terminals of transformer 5-1 first siding ring; the quantity of described low-voltage current mutual inductor 5-3 is three and correspondingly respectively joins with three high-tension current inductors 3, and the output of described transformer 5-1 second siding ring and the output of three described low-voltage current mutual inductor 5-3 all join with the input of described intelligent controller 7.Particularly, described quantity of getting energy electric capacity 4-2 is three, and three described energy electric capacity 4-2 that get from top to bottom are laid in the cluster parachute sleeve pipe 4-1, gets the direct connection of energy electric capacity 4-2 or passes through conducting connecting part 4-3 connection for adjacent two.Described top of getting energy electric capacity 4-2 is provided with bolt 4-4, described below of getting energy electric capacity 4-2 is provided with electrode 4-5, described bolt 4-4 and described get can electric capacity between the 4-2 and described electrode 4-5 be provided with conducting connecting part 4-3 with described getting between the energy electric capacity 4-2, described bolt 4-4 is installed on the described cluster parachute sleeve pipe 4-1 by two nut 4-6 up and down, and the upper correspondence of described cluster parachute sleeve pipe 4-1 has the installing hole of installing for bolt 4-4, be provided with pad 4-7 between two nut 4-6 up and down, the top of described bolt 4-4 is electrically connected with the upper end of vacuum extinction chamber device 2 by conducting rod 14, and the bottom of described cluster parachute sleeve pipe 4-1 offers for the installing hole 4-8 that energy taking device 4 is installed in described base 1 top.Described getting can electric capacity 4-2 be the dry type metal film capacitor.
Such as Fig. 1~shown in Figure 5, in the present embodiment, described intelligent controller 7 comprises AC/DC power module 7-1 and microprocessor module 7-2, the input of described microprocessor module 7-2 is connected to the communication circuit module 7-4 that amplifies the signal conditioning circuit module 7-3 that nurses one's health with filtering and be used for communicating with external control devices for the signal that low-voltage current mutual inductor 5-3 is exported, the output of described microprocessor module 7-2 is connected to the relay module 7-5 that controls for to the spring energy-storage operating mechanism, the output of the input of described AC/DC power module 7-1 and described transformer 5-1 second siding ring joins, described microprocessor module 7-2, signal conditioning circuit module 7-3, communication circuit module 7-4 and relay module 7-5 all join with the output of described AC/DC power module 7-1, and the input of described signal conditioning circuit module 7-3 and the output of three described low-voltage current mutual inductor 5-3 join.The outlet of all high-tension current inductors 3 can thoroughly be avoided high-tension current inductor 3 open circuits all in base 1 interior secondary conversion process of having passed through low-voltage current mutual inductor 5-3 and signal conditioning circuit module 7-3.
During implementation, be provided with communication plug 6 on described base 1 sidewall, the input of described AC/DC power module 7-1 is connected on the communication plug 6 and joins by the output of telecommunication cable 17 with described transformer 5-1 second siding ring, and the input of described signal conditioning circuit module 7-3 is connected on the communication plug 6 and the output by telecommunication cable 17 and three described low-voltage current mutual inductor 5-3 joins.Described communication plug 6 can adopt aviation plug.Described microprocessor module 7-2 can adopt single-chip microcomputer.Described communication circuit module 7-4 is GPRS communication module, SMS communication module or optical fiber communication module.
During use, high-voltage operation circuit 16 is received on the bolt 4-4, simultaneously, A phase line, B phase line and the C phase line of high-voltage operation circuit 16 are received respectively on three isolation switchs 9, and then on three high-tension current inductors 3, connected respectively A phase line, B phase line and the C phase line of outlet; When operation isolation knife break operating level 10, so that three isolation switchs 9 are when connecting with three-phase vacuum extinction chamber device 2, self-energizing intelligent vacuum circuit breaker described in the utility model enters normal operating conditions.When the user operated breaking-closing operating bar 11, breaking-closing operating bar 11 drove the action of spring energy-storage operating mechanism, realizes the operation to three-phase vacuum extinction chamber device 2; When the user operated stored energy operation bar 12, stored energy operation bar 12 drove the action of spring energy-storage operating mechanism, realizes energy storage.When self-energizing intelligent vacuum circuit breaker described in the utility model is in closing position, by three high-tension current inductors 3, the Collection unit that three low-voltage current mutual inductor 5-3 and signal conditioning circuit module 7-3 consist of detects the running status of high-voltage operation circuit 16 in real time, in case self-energizing vacuum circuit-breaker connected circuit generation single-phase earthing, the faults such as phase fault, three high-tension current inductor 3 detected large current signals are exported to three low-voltage current mutual inductor 5-3, and convert large current signal to little current signal through three low-voltage current mutual inductor 5-3 and export to well signal conditioning circuit module 7-3, signal conditioning circuit module 7-3 to signal amplify with filtering conditioning after export to microprocessor module 7-2 and carry out comprehensive analysis processing, microprocessor module 7-2 effectively distinguishes fault type according to short circuit current size and duration, and export corresponding control signal to relay module 7-5, and then the control spring stored energy operating mechanism is carried out corresponding action, make self-energizing intelligent vacuum circuit breaker automatic separating fault section described in the utility model, avoid electric grid large area power cut.In addition, because also designing, the utility model realized being used for the communication circuit module 7-4 that communicates with external control devices, support the communication modes such as mobile GPRS, SMS, optical fiber, therefore, as user when externally input is to the control command of self-energizing intelligent vacuum short-circuiting device described in the utility model on the control appliance, control command is transferred to microprocessor module 7-2 by communication circuit module 7-4, microprocessor module 7-2 analysis and Control instruction is also exported corresponding control signal to relay module 7-5, and then the control spring stored energy operating mechanism is carried out corresponding action; The utility model by communication circuit module 7-4 can also with the Collection unit inspection to data upload to external control devices, realize monitoring, protection and the control of high-voltage operation circuit 16, for 16 operational managements of high-voltage operation circuit provide decision-making foundation.
In sum, when the utility model is installed and used at the scene, owing to not needing to connect high voltage potential transformer or device of solar generating, therefore line is very convenient, only need connection three to advance three and go out lead-in wire, install simply, reduced interruption duration, can reduce because the loss that has a power failure and bring to people's productive life.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection range of technical solutions of the utility model.

Claims (10)

1. self-energizing intelligent vacuum circuit breaker, comprise base (1) and be installed in the three-phase vacuum extinction chamber device (2) on base (1) top, and three high-tension current inductors (3) and the spring energy-storage operating mechanism that are connected with three-phase vacuum extinction chamber device (2), described spring energy-storage operating mechanism is arranged in the base (1), and the breaking-closing operating bar (11) and the stored energy operation bar (12) that are connected with the spring energy-storage operating mechanism are installed on the described base (1); It is characterized in that: also comprise for the intelligent controller that described vacuum circuit-breaker is controlled (7), described base (1) top is equipped with for the energy taking device (4) that also is used for from the upper power taking of high-voltage operation circuit (16) to each power unit power supply of described vacuum circuit-breaker, the signal processing unit (5) that the signal exported for the signal that energy taking device (4) is exported and high-tension current inductor (3) is processed is installed in the described base (1), described energy taking device (4) is electrically connected with the upper end of vacuum extinction chamber device (2), described energy taking device (4) and high-tension current inductor (3) all join with signal processing unit (5), and described signal processing unit (5) joins with described intelligent controller (7).
2. according to self-energizing intelligent vacuum circuit breaker claimed in claim 1, it is characterized in that: on the sidewall of described base (1) rear bracing frame (15) is installed, back shaft (8) is installed on the support frame as described above (15), three isolation switchs (9) are installed on the described back shaft (8), and an end end of described back shaft (8) is equipped with the isolation switch action bars (10) that is switched on or switched off for driving isolation switch (9) and three-phase vacuum extinction chamber device (2).
3. according to self-energizing intelligent vacuum circuit breaker claimed in claim 2, it is characterized in that: the two ends of described isolation switch action bars (10) are symmetrically arranged with two operation bracelets (13).
4. according to claim 1; 2 or 3 described self-energizing intelligent vacuum circuit breakers; it is characterized in that: described energy taking device (4) comprises cluster parachute sleeve pipe (4-1) and is laid in the interior one or more energy electric capacity (4-2) of getting of cluster parachute sleeve pipe (4-1); described signal processing unit (5) comprises transformer (5-1); be used for the tranformer protection module (5-2) of when the thunderbolt fault occurs high-voltage operation circuit (16), transformer (5-1) being protected and the low-voltage current mutual inductor (5-3) that is used for the High Voltage signal of telecommunication that high-tension current inductor (3) is exported is converted to the low pressure weak electric signal; a terminals ground connection of described transformer (5-1) first siding ring; another terminals of described transformer (5-1) first siding ring join through energy taking device (4) and high-voltage operation circuit (16); described tranformer protection module (5-2) is attempted by on two terminals of transformer (5-1) first siding ring; the quantity of described low-voltage current mutual inductor (5-3) is three and respectively correspondingly joins with three high-tension current inductors (3), and the output of described transformer (5-1) second siding ring and the output of three described low-voltage current mutual inductors (5-3) all join with the input of described intelligent controller (7).
5. according to self-energizing intelligent vacuum circuit breaker claimed in claim 4, it is characterized in that: described quantity of getting energy electric capacity (4-2) is three, three described getting can from top to bottom be laid in the cluster parachute sleeve pipe (4-1) by electric capacity (4-2), get and can directly connect or connect by conducting connecting part (4-3) by electric capacity (4-2) for adjacent two.
6. according to self-energizing intelligent vacuum circuit breaker claimed in claim 4, it is characterized in that: described top of getting energy electric capacity (4-2) is provided with bolt (4-4), described below of getting energy electric capacity (4-2) is provided with electrode (4-5), described bolt (4-4) and described get can electric capacity between (4-2) and described electrode (4-5) be provided with conducting connecting part (4-3) with described getting between the energy electric capacity (4-2), described bolt (4-4) is installed on the described cluster parachute sleeve pipe (4-1) by two nuts (4-6) up and down, and the upper correspondence of described cluster parachute sleeve pipe (4-1) has the installing hole of installing for bolt (4-4), be provided with up and down pad (4-7) between two nuts (4-6), the top of described bolt (4-4) is electrically connected with the upper end of vacuum extinction chamber device (2) by conducting rod (14), and the bottom of described cluster parachute sleeve pipe (4-1) offers for the installing hole (4-8) that energy taking device (4) is installed in described base (1) top.
7. according to self-energizing intelligent vacuum circuit breaker claimed in claim 4, it is characterized in that: described getting can be the dry type metal film capacitor by electric capacity (4-2).
8. according to self-energizing intelligent vacuum circuit breaker claimed in claim 4, it is characterized in that: described intelligent controller (7) comprises AC/DC power module (7-1) and microprocessor module (7-2), the input of described microprocessor module (7-2) is connected to the communication circuit module (7-4) that amplifies the signal conditioning circuit module (7-3) of nursing one's health with filtering and be used for communicating with external control devices for the signal that low-voltage current mutual inductor (5-3) is exported, the output of described microprocessor module (7-2) is connected to for the relay module that the spring energy-storage operating mechanism is controlled (7-5), the output of the input of described AC/DC power module (7-1) and described transformer (5-1) second siding ring joins, described microprocessor module (7-2), signal conditioning circuit module (7-3), communication circuit module (7-4) and relay module (7-5) are all joined with the output of described AC/DC power module (7-1), and the output of the input of described signal conditioning circuit module (7-3) and three described low-voltage current mutual inductors (5-3) joins.
9. according to self-energizing intelligent vacuum circuit breaker claimed in claim 8, it is characterized in that: be provided with communication plug (6) on described base (1) sidewall, the input of described AC/DC power module (7-1) is connected to communication plug (6) upward and joins by the output of telecommunication cable (17) with described transformer (5-1) second siding ring, and the input of described signal conditioning circuit module (7-3) is connected to communication plug (6) upward and joins by the output of telecommunication cable (17) with three described low-voltage current mutual inductors (5-3).
10. according to self-energizing intelligent vacuum circuit breaker claimed in claim 8, it is characterized in that: described communication circuit module (7-4) is GPRS communication module, SMS communication module or optical fiber communication module.
CN 201220226816 2012-05-20 2012-05-20 Intelligent self-energy-fetching vacuum circuit breaker Expired - Fee Related CN202695269U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220226816 CN202695269U (en) 2012-05-20 2012-05-20 Intelligent self-energy-fetching vacuum circuit breaker

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Application Number Priority Date Filing Date Title
CN 201220226816 CN202695269U (en) 2012-05-20 2012-05-20 Intelligent self-energy-fetching vacuum circuit breaker

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102646546A (en) * 2012-05-20 2012-08-22 西安兴汇电力科技有限公司 Intelligent self-energy-obtaining vacuum breaker
CN105762007A (en) * 2016-03-28 2016-07-13 苏刚印 Side-installed high-voltage vacuum circuit breaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102646546A (en) * 2012-05-20 2012-08-22 西安兴汇电力科技有限公司 Intelligent self-energy-obtaining vacuum breaker
CN102646546B (en) * 2012-05-20 2015-02-11 西安兴汇电力科技有限公司 Intelligent self-energy-obtaining vacuum breaker
CN105762007A (en) * 2016-03-28 2016-07-13 苏刚印 Side-installed high-voltage vacuum circuit breaker

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