CN205752998U - A kind of grid-connected metering switch box - Google Patents

A kind of grid-connected metering switch box Download PDF

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Publication number
CN205752998U
CN205752998U CN201620419677.3U CN201620419677U CN205752998U CN 205752998 U CN205752998 U CN 205752998U CN 201620419677 U CN201620419677 U CN 201620419677U CN 205752998 U CN205752998 U CN 205752998U
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CN
China
Prior art keywords
energy meter
intelligent electric
grid
phase intelligent
electric energy
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.)
Expired - Fee Related
Application number
CN201620419677.3U
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Chinese (zh)
Inventor
段大伟
孙海涛
马歆哲
玛丽艳
宋琳
刘东旗
马素平
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.)
Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Publication date
Application filed by Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN201620419677.3U priority Critical patent/CN205752998U/en
Application granted granted Critical
Publication of CN205752998U publication Critical patent/CN205752998U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

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  • Supply And Distribution Of Alternating Current (AREA)

Abstract

A kind of grid-connected metering switch box, including casing, chopper it is provided with in casing, being additionally provided with the first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter, three-phase intelligent electric-energy meter, load control terminal and wiring copper coin in casing, chopper is for controlling the on/off that grid-connected metering switch box is outwards powered;Wiring copper coin is four tunnels, and insulation is fixed in casing, and wiring copper coin is connected by brass bolt connector, wire and chopper, the first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter and three-phase intelligent electric-energy meter transmission of electricity;Load control terminal is for gathering the first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter, the grid-connected electricity of the 3rd single-phase electric energy meter and grid-connected power, and upload the data to control centre.This utility model is applicable to multiple grid-connected situation, it is achieved data acquisition and telebroking.

Description

A kind of grid-connected metering switch box
Technical field
This utility model relates to distribution box field, particularly relates to a kind of grid-connected metering switch box.
Background technology
Distribution box is, by electrical wiring requirement, switchgear, measuring instruments, protection electrical equipment and auxiliary equipment are assembled in a kind of equipment closed or in semiclosed metal safe.
Photovoltaic power generation grid-connecting has a multiple situation: single-phase remaining electricity the most grid-connected, three-phase grid-connected, single-phase is the most grid-connected etc., and current grid-connected metering switch box structure is single, does not accounts for above-described multiple situation.
Utility model content
The purpose of this utility model is to provide a kind of grid-connected metering switch box, thus solves foregoing problems present in prior art.
To achieve these goals, the technical solution adopted in the utility model is as follows: a kind of grid-connected metering switch box, including casing, it is provided with chopper in described casing, being additionally provided with the first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter, three-phase intelligent electric-energy meter, load control terminal and wiring copper coin in described casing, described chopper is for controlling the on/off that described grid-connected metering switch box is outwards powered;Described wiring copper coin is four tunnels, and insulation is fixed in described casing, and described wiring copper coin is connected by brass bolt connector, wire and described chopper, described first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter and three-phase intelligent electric-energy meter transmission of electricity;Described load control terminal is for gathering described first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter, the grid-connected electricity of three-phase intelligent electric-energy meter and grid-connected power, and upload the data to control centre.
Also including that A.C. contactor, described chopper are connected with described A.C. contactor, described A.C. contactor is connected with wiring copper coin, and a normally opened contact of described load control terminal controls the on/off of described A.C. contactor.
The beneficial effects of the utility model are: 1) this utility model is in view of grid-connected single-phase remaining electricity the most grid-connected, the most grid-connected three kinds of situations of three-phase grid-connected, single-phase, it is provided with the first single-phase intelligent electric energy meter, the second single-phase intelligent electric energy meter, three electric energy meters of three-phase intelligent electric-energy meter, connect the photovoltaic power generation equipment that a class is grid-connected respectively, thus three kinds of situations are carried out metering respectively.2) this utility model is provided with load control terminal, the data of each electric energy meter can be uploaded to control centre, can also be according to the instruction of control centre, A.C. contactor is controlled by load control terminal, in time keeping in repair electrical network, the heart can disconnect A.C. contactor in the controlling, can avoid the generation of peril.3) the wiring copper coin that this utility model is arranged is easy to carry out as required wiring, easy-to-connect, good stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model;
Fig. 2 is the wiring schematic diagram of a kind of embodiment of this utility model;
Reference: 1-casing, 2-the first single-phase intelligent electric energy meter, 3-the second single-phase intelligent electric energy meter, 4-three-phase intelligent electric-energy meter, 5-load control terminal, 6-wiring copper coin, 7-A.C. contactor, 8-chopper, 9-brass bolt connector, 10-the first solar panel, 11-the second solar panel, 12-the 3rd solar panel, 13-control centre.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is further elaborated.Should be appreciated that detailed description of the invention described herein, only in order to explain this utility model, is not used to limit this utility model.
Embodiment: as depicted in figs. 1 and 2, a kind of grid-connected metering switch box, including casing 1, it is provided with chopper 8 in described casing 1, being additionally provided with first single-phase intelligent electric energy meter the 2, second single-phase intelligent electric energy meter 3, three-phase intelligent electric-energy meter 4, load control terminal 5 and wiring copper coin 6 in described casing 1, described chopper 8 is for controlling the on/off that described grid-connected metering switch box is outwards powered;Described wiring copper coin 6 is four tunnels, insulation is fixed in described casing 1, described wiring copper coin 6 is connected by brass bolt connector 9, wire and described chopper 8, described first single-phase intelligent electric energy meter the 2, second single-phase intelligent electric energy meter 3 and three-phase intelligent electric-energy meter 4 transmission of electricity;Described load control terminal 5 is for gathering described first single-phase intelligent electric energy meter the 2, second single-phase intelligent electric energy meter 3, the grid-connected electricity of three-phase intelligent electric-energy meter 4 and grid-connected power, and upload the data to control centre 13.
Also including that A.C. contactor 7, described chopper 8 are connected with described A.C. contactor 7, described A.C. contactor 7 is connected with wiring copper coin 6, and a normally opened contact of described load control terminal 5 controls the on/off of described A.C. contactor 7.
As in figure 2 it is shown, the first solar panel 10 is the situation that single-phase remaining electricity is grid-connected, after DC current is alternating current by inverter 14 inversion, connect the first single-phase intelligent electric energy meter 2;Second solar panel 11 is the most grid-connected single-phase situation, after DC current is alternating current by inverter 14 inversion, connects the second single-phase intelligent electric energy meter 3;3rd solar panel 10 is the situation that three-phase is the most grid-connected, after DC current is three-phase alternating current by inverter 14 inversion, connects three-phase intelligent electric-energy meter 4.
By using technique scheme disclosed in this utility model, obtaining following beneficial effect: 1) this utility model is in view of grid-connected single-phase remaining electricity the most grid-connected, the most grid-connected three kinds of situations of three-phase grid-connected, single-phase, it is provided with first single-phase intelligent electric energy meter the 2, second single-phase intelligent electric energy meter 3,4 three electric energy meters of three-phase intelligent electric-energy meter, connect the photovoltaic power generation equipment that a class is grid-connected respectively, thus three kinds of situations are carried out metering respectively.2) this utility model is provided with load control terminal 5, the data of each electric energy meter can be uploaded to control centre 13, can also be according to the instruction of control centre 13, A.C. contactor 7 is controlled by load control terminal 5, in time keeping in repair electrical network, the heart 13 can disconnect A.C. contactor 7 in the controlling, can avoid the generation of peril.3) the wiring copper coin 6 that this utility model is arranged is easy to carry out as required wiring, easy-to-connect, good stability.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should regard protection domain of the present utility model.

Claims (2)

1. a grid-connected metering switch box, including casing (1), chopper (8) it is provided with in described casing (1), it is characterized in that, the first single-phase intelligent electric energy meter (2), the second single-phase intelligent electric energy meter (3), three-phase intelligent electric-energy meter (4), load control terminal (5) and wiring copper coin (6) it is additionally provided with in described casing (1)
Described chopper (8) is for controlling the on/off that described grid-connected metering switch box is outwards powered;
Described wiring copper coin (6) is four tunnels, insulation is fixed in described casing (1), described wiring copper coin (6) is connected by brass bolt connector (9), wire and described chopper (8), described first single-phase intelligent electric energy meter (2), the second single-phase intelligent electric energy meter (3) and three-phase intelligent electric-energy meter (4) transmission of electricity;
Described load control terminal (5) is used for gathering described first single-phase intelligent electric energy meter (2), the second single-phase intelligent electric energy meter (3), the grid-connected electricity of three-phase intelligent electric-energy meter (4) and grid-connected power, and upload the data to control centre (13).
Grid-connected metering switch box the most according to claim 1, it is characterized in that, also include A.C. contactor (7), described chopper (8) is connected with described A.C. contactor (7), described A.C. contactor (7) is connected with wiring copper coin (6), and a normally opened contact of described load control terminal (5) controls the on/off of described A.C. contactor (7).
CN201620419677.3U 2016-05-11 2016-05-11 A kind of grid-connected metering switch box Expired - Fee Related CN205752998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620419677.3U CN205752998U (en) 2016-05-11 2016-05-11 A kind of grid-connected metering switch box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620419677.3U CN205752998U (en) 2016-05-11 2016-05-11 A kind of grid-connected metering switch box

Publications (1)

Publication Number Publication Date
CN205752998U true CN205752998U (en) 2016-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620419677.3U Expired - Fee Related CN205752998U (en) 2016-05-11 2016-05-11 A kind of grid-connected metering switch box

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107623340A (en) * 2017-10-18 2018-01-23 国网江苏省电力公司响水县供电公司 A kind of photovoltaic system with stability control equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107623340A (en) * 2017-10-18 2018-01-23 国网江苏省电力公司响水县供电公司 A kind of photovoltaic system with stability control equipment

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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: 20161130

Termination date: 20170511