CN203645402U - Intelligent box-type transformer station low voltage control circuit - Google Patents
Intelligent box-type transformer station low voltage control circuit Download PDFInfo
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- CN203645402U CN203645402U CN201320653026.7U CN201320653026U CN203645402U CN 203645402 U CN203645402 U CN 203645402U CN 201320653026 U CN201320653026 U CN 201320653026U CN 203645402 U CN203645402 U CN 203645402U
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Abstract
The utility model relates to an intelligent box-type transformer station low voltage control circuit. The intelligent box-type transformer station low voltage control circuit is characterized in that a low voltage busbar breaker electric operation mechanism relay module is sequentially connected with a communication unit and an input end of a concentrator by an electric operation mechanism relay module and a molded case intelligent controller; each of low voltage power supply breaker electric operation mechanisms is connected with an intelligent measurement and control unit by a low voltage power supply breaker electric operation mechanism relay module; the intelligent measurement and control unit is connected with the input end of the concentrator by the communication unit; a voltage measurement circuit of a first network instrument is connected with the low voltage circuit by a fuse, and a current measurement circuit of the first network instrument is connected with a current transformer of the low voltage circuit; an output end of the first network instrument is connected with the input end of the concentrator by the communication unit; a current measurement circuit of a second network instrument is connected with the current transformer of the low voltage circuit, and an output end of the second network instrument is connected with the input end of the concentrator by the communication unit.
Description
Technical field
The utility model is a kind of electric equipment, particularly relates to a kind of intelligent box type transformation station low-voltage control circuit.
Background technology
Box-type substation is a kind of high voltage switchgear, distribution transformer and low-voltage distribution equipment, by indoor, the outdoor close-coupled controller switching equipment of certain connection plan row's all-in-one-piece prefabrication, organically combine by functions such as high powered, transformer pressure-reducing, low-voltage distributions, be arranged on a protection against the tide, antirust, dustproof, protection against rodents, fire prevention, antitheft, heat insulation, totally-enclosed, movably in steel construction casing, electromechanical integration, totally-enclosed operation, be specially adapted to city net construction and upgrading, a kind of brand-new transformer station emerging after Shi Ji civil engineering transformer station.Box-type substation is applicable to mine, factory and enterprise, oil gas field and wind power station, and it has substituted original civil engineering power distribution room, and power distribution station becomes novel complete change power distribution equipment.
China Patent Publication No.: CN101277001U, open day on October 1st, 2008, a kind of box-type substation is disclosed, comprise and be located at respectively three casing high voltage switchgears, distribution transformer and low-voltage distribution equipments, the casing that is provided with high voltage switchgear is all-sealed structure with the casing that is provided with distribution transformer, the low-voltage side outlet of distribution transformer is connected with low-voltage distribution equipment by cable or busbar, and the high-pressure side outlet of distribution transformer is connected with high voltage switchgear by connector.The casing that is provided with high voltage switchgear, distribution transformer is respectively equipped with the insulating sleeve being connected with connector, and insulating sleeve is provided with the binding post for connecting described connector.The bonding conductor of drawing from high voltage switchgear with the binding post that is positioned at high voltage switchgear side for being threaded; The bonding conductor of drawing from low-voltage side outlet with the binding post that is positioned at distribution transformer side for being threaded.This technical scheme, substation structure complexity, various monitoring checkout equipment control complexity, waste of manpower on Substation control, material resources, transformer substation construction cost increases, and the system maintenance difficulty in transformer station's later stage is larger.
Utility model content
The purpose of this utility model is to have substation structure complexity for solving current technical scheme, various monitoring checkout equipment control complexity, waste of manpower on Substation control, material resources, transformer substation construction cost increases, the larger problem of system maintenance difficulty in transformer station's later stage, provides that a kind of height is integrated, centralized control, control and the easy intelligent box type transformation station low-voltage control circuit of monitoring.
The utility model solves the technical scheme that its technical problem adopts: a kind of intelligent box type transformation station low-voltage control circuit, powered by low-voltage circuit, communicate to connect with host computer, comprise first network instrument, be arranged on the low-voltage bus bar circuit breaker electrically operated institution on bus, several are arranged on the low-voltage power supply circuit breaker electrically operated institution on low-voltage power supply loop, low-voltage bus bar circuit breaker electrically operated institution relay module, the low-voltage power supply circuit breaker electrically operated institution relay module of mating with low-voltage power supply circuit breaker electrically operated institution, mould shell intelligent controller, intelligent measurement and control unit, several communication units, hub and second network instrument, the output of described hub and the communication connection of described host computer, described low-voltage bus bar circuit breaker electrically operated institution relay module is successively by electrically operated institution relay module, moulding shell intelligent controller is connected with the input of described hub with a communication unit, described each low-voltage power supply circuit breaker electrically operated institution is all connected with intelligent measurement and control unit by low-voltage power supply circuit breaker electrically operated institution relay module, described intelligent measurement and control unit is connected with described hub input by a communication unit, the voltage measurement circuit of described first network instrument is connected with low-voltage circuit by fuse, the current measurement circuit of described first network instrument is connected with the current transformer on low-voltage circuit, the output of described first network instrument is connected with described hub input by a communication unit, the current measurement circuit of described second network instrument is connected with the current transformer on low-voltage circuit, the output of described second network instrument is connected with described hub input by a communication unit.The utility model height is integrated, centralized control, control and monitoring easy, fail safe is good.
As preferably, described intelligent measurement and control unit is that model is the intelligent measurement and control unit of ST412, described communication unit is the communication unit of ST-DP model, the output loop of described intelligent measurement and control unit is connected with low-voltage power supply circuit breaker electrically operated institution by low-voltage power supply circuit breaker electrically operated institution relay module respectively, the RS485 interface of described intelligent measurement and control unit is connected with described communication unit by RS485 order wire, and described communication unit is connected with the input of hub.
As preferably, described intelligent box type transformation station low-voltage circuit also comprises that ST-CM shows operating unit, described mould shell intelligent controller be ST110 model mould shell intelligent controller, described low-voltage bus bar circuit breaker electrically operated institution relay module is the relay module of ST-200 model, described low-voltage bus bar circuit breaker electrically operated institution is connected with the described shell intelligent controller of moulding by low-voltage bus bar circuit breaker electrically operated institution, mould shell intelligent controller and show that with ST-CM operating unit is connected by T908-02 order wire, ST-CM shows that operating unit is also connected with the input of hub by communication unit.
As preferably, described first network instrument is the network instrument of ST420 model, the voltage measurement circuit of described first network instrument is connected with low-voltage circuit by fuse, the current measurement circuit of described first network instrument is connected with the current transformer on low-voltage circuit bus circuit, the output of described first network instrument is R485 interface, and the output of first network instrument is connected with described hub input by a communication unit.
As preferably, described second network instrument is the network instrument of ST440 model, the current measurement circuit of described second network instrument is connected with the current transformer on low-voltage circuit current supply circuit, the output of described second network instrument is R485 interface, and the output of second network instrument is connected with described hub input by a communication unit.
As preferably, low-voltage power supply circuit breaker electrically operated institution on low-voltage power supply loop comprises the first electrically operated institution, the second electrically operated institution and the 3rd electrically operated institution, low-voltage power supply circuit breaker electrically operated institution relay module comprises that model is the first relay module and the second relay module of ST-201, the input circuit of the input circuit of described the first relay module and the second relay module is electrically connected with intelligent measurement and control unit output loop respectively, the 12nd end of described the first relay module output loop, the 13rd end and the 15th end are electrically connected with the first electrically operated institution, the 16th end of described the first relay module output loop, the 13rd end of the 17th end and the first relay module output loop is electrically connected with the second electrically operated institution, the 14th end of described the second relay module output loop, the 15th end and the 17th end are electrically connected with the first electrically operated institution, the 12nd end of described the first relay module output loop is connected with the 14th end of described the first relay module output loop, the 16th end of described the first relay module output loop is connected with the 12nd end of described the second relay module output loop, the 14th end of described the second relay module output loop is connected with the 16th end of described the second relay module output loop.
Substantial effect of the present utility model is: highly integrated, centralized control, control and monitoring are easy, and fail safe is good.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of mesolow circuit of the present utility model;
Fig. 2 is a kind of circuit theory diagrams of middle intelligent measurement and control unit output circuit of the present utility model;
Fig. 3 is a kind of circuit theory diagrams of middle voltage bus bar circuit breaker electrically operated institution relay module of the present utility model;
Fig. 4 is a kind of circuit theory diagrams of middle first network instrument of the present utility model;
Fig. 5 is a kind of circuit theory diagrams of middle second network instrument of the present utility model;
Fig. 6 is a kind of circuit theory diagrams that middle communication unit of the present utility model is connected with hub.
In figure: 1, intelligent measurement and control unit, 2, the first relay module, 3, the second relay module, 4, the first electrically operated institution, 5, the second electrically operated institution, 6, the 3rd electrically operated institution, 7, low-voltage bus bar circuit breaker electrically operated institution, 8, low-voltage bus bar circuit breaker electrically operated institution relay module, 9, mould shell intelligent controller, 10, ST-CM shows operating unit, 11, communication unit, 12, hub, 13, first network instrument, 14, second network instrument.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of intelligent box type transformation station low-voltage control circuit is (referring to accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6), powered by low-voltage circuit, communicate to connect with host computer, comprise first network instrument 13, be arranged on the low-voltage bus bar circuit breaker electrically operated institution 7 on bus, three low-voltage power supply circuit breaker electrically operated institutions that are arranged on low-voltage power supply loop, low-voltage bus bar circuit breaker electrically operated institution relay module 8, the low-voltage power supply circuit breaker electrically operated institution relay module of mating with low-voltage power supply circuit breaker electrically operated institution, mould shell intelligent controller, intelligent measurement and control unit 1, four communication units 11, hub 12 and second network instrument 15, the output of hub and host computer communication connection, low-voltage bus bar circuit breaker electrically operated institution relay module is successively by electrically operated institution relay module, moulding shell intelligent controller is connected with the input of hub with a communication unit, each low-voltage power supply circuit breaker electrically operated institution is all connected with intelligent measurement and control unit by low-voltage power supply circuit breaker electrically operated institution relay module, intelligent measurement and control unit is connected with hub input by a communication unit, the voltage measurement circuit of first network instrument is connected with low-voltage circuit by fuse, the current measurement circuit of first network instrument is connected with the current transformer on low-voltage circuit, the output of first network instrument is connected with hub input by a communication unit, the current measurement circuit of second network instrument is connected with the current transformer on low-voltage circuit, the output of second network instrument is connected with hub input by a communication unit.Intelligent measurement and control unit is that model is the intelligent measurement and control unit of ST412, communication unit is the communication unit of ST-DP model, the output loop of intelligent measurement and control unit is connected with low-voltage power supply circuit breaker electrically operated institution by low-voltage power supply circuit breaker electrically operated institution relay module respectively, the RS485 interface of intelligent measurement and control unit is connected with communication unit by RS485 order wire, and communication unit is connected with the input of hub.Intelligent box type transformation station low-voltage circuit also comprises that ST-CM shows operating unit 10, what to mould shell intelligent controller 9 be ST110 model moulds shell intelligent controller, low-voltage bus bar circuit breaker electrically operated institution relay module is the relay module of ST-200 model, low-voltage bus bar circuit breaker electrically operated institution by low-voltage bus bar circuit breaker electrically operated institution with mould shell intelligent controller and be connected, mould shell intelligent controller and show that with ST-CM operating unit is connected by T908-02 order wire, ST-CM shows that operating unit is also connected with the input of hub by communication unit.First network instrument is the network instrument of ST420 model, the voltage measurement circuit of first network instrument is connected with low-voltage circuit by fuse, the current measurement circuit of first network instrument is connected with the current transformer on low-voltage circuit bus circuit, the output of first network instrument is R485 interface, and the output of first network instrument is connected with hub input by a communication unit.Second network instrument is the network instrument of ST440 model, the current measurement circuit of second network instrument is connected with the current transformer on low-voltage circuit current supply circuit, the output of second network instrument is R485 interface, and the output of second network instrument is connected with hub input by a communication unit.Low-voltage power supply circuit breaker electrically operated institution on low-voltage power supply loop comprises the first electrically operated institution 4, the second electrically operated institution 5 and the 3rd electrically operated institution 6, low-voltage power supply circuit breaker electrically operated institution relay module comprises that model is the first relay module 2 and the second relay module 3 of ST-201, the input circuit of the input circuit of the first relay module and the second relay module is electrically connected with intelligent measurement and control unit output loop respectively, the 12nd end of the first relay module output loop, the 13rd end and the 15th end are electrically connected with the first electrically operated institution, the 16th end of the first relay module output loop, the 13rd end of the 17th end and the first relay module output loop is electrically connected with the second electrically operated institution, the 14th end of the second relay module output loop, the 15th end and the 17th end are electrically connected with the first electrically operated institution, the 12nd end of the first relay module output loop is connected with the 14th end of the first relay module output loop, the 16th end of the first relay module output loop is connected with the 12nd end of the second relay module output loop, the 14th end of the second relay module output loop is connected with the 16th end of the second relay module output loop.
Above-described embodiment is preferably scheme of one of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (6)
1. an intelligent box type transformation station low-voltage control circuit, powered by low-voltage circuit, communicate to connect with host computer, it is characterized in that: comprise first network instrument, be arranged on the low-voltage bus bar circuit breaker electrically operated institution on bus, several are arranged on the low-voltage power supply circuit breaker electrically operated institution on low-voltage power supply loop, low-voltage bus bar circuit breaker electrically operated institution relay module, the low-voltage power supply circuit breaker electrically operated institution relay module of mating with low-voltage power supply circuit breaker electrically operated institution, mould shell intelligent controller, intelligent measurement and control unit, several communication units, hub and second network instrument, the output of described hub and the communication connection of described host computer, described low-voltage bus bar circuit breaker electrically operated institution relay module is successively by electrically operated institution relay module, moulding shell intelligent controller is connected with the input of described hub with a communication unit, described each low-voltage power supply circuit breaker electrically operated institution is all connected with intelligent measurement and control unit by low-voltage power supply circuit breaker electrically operated institution relay module, described intelligent measurement and control unit is connected with described hub input by a communication unit, the voltage measurement circuit of described first network instrument is connected with low-voltage circuit by fuse, the current measurement circuit of described first network instrument is connected with the current transformer on low-voltage circuit, the output of described first network instrument is connected with described hub input by a communication unit, the current measurement circuit of described second network instrument is connected with the current transformer on low-voltage circuit, the output of described second network instrument is connected with described hub input by a communication unit.
2. intelligent box type transformation according to claim 1 station low-voltage control circuit, it is characterized in that: described intelligent measurement and control unit is that model is the intelligent measurement and control unit of ST412, described communication unit is the communication unit of ST-DP model, the output loop of described intelligent measurement and control unit is connected with low-voltage power supply circuit breaker electrically operated institution by low-voltage power supply circuit breaker electrically operated institution relay module respectively, the RS485 interface of described intelligent measurement and control unit is connected with described communication unit by RS485 order wire, and described communication unit is connected with the input of hub.
3. intelligent box type transformation according to claim 2 station low-voltage control circuit, it is characterized in that: described intelligent box type transformation station low-voltage circuit also comprises that ST-CM shows operating unit, described mould shell intelligent controller be ST110 model mould shell intelligent controller, described low-voltage bus bar circuit breaker electrically operated institution relay module is the relay module of ST-200 model, described low-voltage bus bar circuit breaker electrically operated institution is connected with the described shell intelligent controller of moulding by low-voltage bus bar circuit breaker electrically operated institution, mould shell intelligent controller and show that with ST-CM operating unit is connected by T908-02 order wire, ST-CM shows that operating unit is also connected with the input of hub by communication unit.
4. intelligent box type transformation according to claim 2 station low-voltage control circuit, it is characterized in that: described first network instrument is the network instrument of ST420 model, the voltage measurement circuit of described first network instrument is connected with low-voltage circuit by fuse, the current measurement circuit of described first network instrument is connected with the current transformer on low-voltage circuit bus circuit, the output of described first network instrument is R485 interface, and the output of first network instrument is connected with described hub input by a communication unit.
5. intelligent box type transformation according to claim 2 station low-voltage control circuit, it is characterized in that: described second network instrument is the network instrument of ST440 model, the current measurement circuit of described second network instrument is connected with the current transformer on low-voltage circuit current supply circuit, the output of described second network instrument is R485 interface, and the output of second network instrument is connected with described hub input by a communication unit.
6. according to the intelligent box type transformation station low-voltage control circuit described in claim 2 or 3 or 4 or 5, it is characterized in that: the low-voltage power supply circuit breaker electrically operated institution on low-voltage power supply loop comprises the first electrically operated institution, the second electrically operated institution and the 3rd electrically operated institution, low-voltage power supply circuit breaker electrically operated institution relay module comprises that model is the first relay module and the second relay module of ST-201, the input circuit of the input circuit of described the first relay module and the second relay module is electrically connected with intelligent measurement and control unit output loop respectively, the 12nd end of described the first relay module output loop, the 13rd end and the 15th end are electrically connected with the first electrically operated institution, the 16th end of described the first relay module output loop, the 13rd end of the 17th end and the first relay module output loop is electrically connected with the second electrically operated institution, the 14th end of described the second relay module output loop, the 15th end and the 17th end are electrically connected with the first electrically operated institution, the 12nd end of described the first relay module output loop is connected with the 14th end of described the first relay module output loop, the 16th end of described the first relay module output loop is connected with the 12nd end of described the second relay module output loop, the 14th end of described the second relay module output loop is connected with the 16th end of described the second relay module output loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653026.7U CN203645402U (en) | 2013-10-23 | 2013-10-23 | Intelligent box-type transformer station low voltage control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653026.7U CN203645402U (en) | 2013-10-23 | 2013-10-23 | Intelligent box-type transformer station low voltage control circuit |
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| Publication Number | Publication Date |
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| CN203645402U true CN203645402U (en) | 2014-06-11 |
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| CN201320653026.7U Expired - Fee Related CN203645402U (en) | 2013-10-23 | 2013-10-23 | Intelligent box-type transformer station low voltage control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759694A (en) * | 2016-04-22 | 2016-07-13 | 金陵科技学院 | Low voltage intelligent circuit breaking controller, and control method thereof |
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2013
- 2013-10-23 CN CN201320653026.7U patent/CN203645402U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759694A (en) * | 2016-04-22 | 2016-07-13 | 金陵科技学院 | Low voltage intelligent circuit breaking controller, and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20211023 |