CN208092127U - Single-phase multi-operation mode electric energy metering device suitable for family's photovoltaic system - Google Patents
Single-phase multi-operation mode electric energy metering device suitable for family's photovoltaic system Download PDFInfo
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- CN208092127U CN208092127U CN201820689407.3U CN201820689407U CN208092127U CN 208092127 U CN208092127 U CN 208092127U CN 201820689407 U CN201820689407 U CN 201820689407U CN 208092127 U CN208092127 U CN 208092127U
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- 230000005611 electricity Effects 0.000 claims abstract description 21
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 3
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- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The utility model discloses a kind of single-phase multi-operation mode electric energy metering devices suitable for family's photovoltaic system, including batch meter, two pieces of single phase single direction electric energy meters, one piece of single phase bidirectional electric energy meter and three circuit switching switches are provided in batch meter, grid interface and photovoltaic generating system interface are offered at the top of batch meter, the bottom of batch meter offers family for electrical interface；Family's photovoltaic system cable switchs connection household electricity equipment through the second circuit switching；Power grid cable switches switch connection household electricity equipment through tertiary circuit；It is serially connected with first line switching switch between the end of incoming cables and the end of incoming cables of tertiary circuit switching switch of second circuit switching switch；Three pieces of electric energy meters are separately connected the leading-out terminal of three circuit switchings switch.The utility model can reduce the quantity of electrical equipment on the basis of meeting family's photovoltaic system multi-operation mode metering requirements, and it is horizontal to promote electric service for specification connections.
Description
Technical field
The utility model is related to power equipment field of measuring techniques, especially a kind of electric energy metering device.
Background technology
Family's photovoltaic system is the most simple realization mode of distributed photovoltaic power generation pattern, and the electric energy sent out can be by simultaneously
Realize grid-connected with national grid in site.To realize that the electric energy being connected to the grid to distributed photovoltaic power generation system measures, lead to
Electric energy metering device often is installed at the grid-connected end of family's photovoltaic system, current electric energy metering device is mostly or using traditional
Single-phase user's metering method.When user's photovoltaic generating system is directly surfed the Internet, between photovoltaic system and power grid, user power utilization with electricity
It is all made of the metering of single phase single direction electric energy meter between net, isolation is between user power utilization and its photovoltaic generating system.
Current electric grid enterprise, which is family's photovoltaic system user metered scheme, can only fix selection one mode, cannot meet house
The multiple-working mode demand of front yard photovoltaic system, can not play the advantage of photovoltaic system；Especially current photovoltaic generation subsidizes political affairs
When the variation of plan and electricity price, the electricity consumption model selection of user's photovoltaic generation would necessarily affect.However, since user needs to use
Two pieces of meters are directed to power grid respectively and itself photovoltaic system is measured, when user maximizes selection power supply mould according to number one
When formula, the flexible selection of pattern can not be powered.In addition, two sets of meters and required circuit, protection switch etc. are electrical
Equipment can have the defects of arrangement is lack of standardization, and structure is more chaotic, and inconvenience is brought to the electricity consumption of user.
Utility model content
The utility model technical issues that need to address are to provide a kind of electrical energy measurement dress suitable for family's photovoltaic system
It sets, on the basis of meeting family's photovoltaic system multi-operation mode metering requirements, reduces the quantity of electrical equipment, specification circuit connects
It is horizontal to promote electric service for line.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
Suitable for the single-phase multi-operation mode electric energy metering device of family's photovoltaic system, including batch meter, the batch meter
Inside it is provided with two pieces of single phase single direction electric energy meters, one piece of single phase bidirectional electric energy meter and three circuit switching switches, the top of batch meter
Grid interface and photovoltaic generating system interface are offered, the bottom of batch meter offers family for electrical interface；Family's light
The cable of volt system passes through photovoltaic generating system interface to enter after batch meter the end of incoming cables for accessing the second circuit switching switch, and second
The leading-out terminal of circuit switching switch is passed through connects household electricity equipment across family for the cable of electrical interface；In the grid interface
Across the cable of connection power grid and tertiary circuit switching switch end of incoming cables in batch meter, the leading-out terminal warp of tertiary circuit switching switch
Across family household electricity equipment is connected for the cable of electrical interface；The end of incoming cables of the second circuit switching switch and third line
First line switching switch is serially connected between the end of incoming cables of road switching switch；First single phase single direction electric energy meter is connected to first line
Switch the leading-out terminal of switch, the second single phase single direction electric energy meter is connected to the leading-out terminal of the second circuit switching switch, single phase bidirectional electricity
Energy table is connected to the leading-out terminal of tertiary circuit switching switch.
As a result of above technical scheme, technological progress acquired by the utility model is as follows.
The utility model can be directly installed in user family, be connected with user's photovoltaic system, power grid and electrical equipment,
The folding switched by circuit switching switches between different working modes, can be according to public subsidies political affairs thereby using family
The adjustment of plan and itself use habit select corresponding operating mode, meet the maximization of number one.Meanwhile grid company is not
Need to change metering device wiring can metering user use electricity and electricity volume, both improved electric service level,
Ensure that electrical energy measurement it is accurate with it is convenient, be conducive to the popularization of family's photovoltaic system.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the electrical schematic diagram of the utility model.
Wherein：1. batch meter, 2. photovoltaic generating system interfaces, 3. grid interfaces, 4. families are single for electrical interface, 5. first
Phase unidirectional electric energy table, 6. second single phase single direction electric energy meters, 7. single phase bidirectional electric energy meters, S1. first line switching switch, S2. the
Two circuit switchings switch, S3. tertiary circuits switching switch.
Specific implementation mode
Below in conjunction with specific embodiment, the present invention will be further described in detail.
A kind of single-phase multi-operation mode electric energy metering device suitable for family's photovoltaic system, structure is as shown in Figure 1, packet
Batch meter 1 is included, grid interface 3 and photovoltaic generating system interface 2 are offered at the top of batch meter, the bottom of batch meter offers house
Front yard is for electrical interface 4, and grid interface 3 is for accessing power grid cable, and photovoltaic generating system interface 2 is for accessing photovoltaic generation line
Cable, family are used to draw the cable of accessing user's electrical equipment for electrical interface 4.
Two pieces of single phase single direction electric energy meter 5-6, one piece of single phase bidirectional electric energy meter 7 and three circuits are provided in batch meter 1 to cut
Switch S1-S7 is changed, as shown in Figure 2.Shown in relational graph 2 and Fig. 3 between each device, specially：The cable of family's photovoltaic system
Enter after batch meter the end of incoming cables for accessing the second circuit switching switch S2, the second circuit switching across photovoltaic generating system interface 2
The leading-out terminal of switch S2 is passed through connects household electricity equipment across family for the cable of electrical interface 4；Power grid cable connects across power grid
Mouth 3 enters the end of incoming cables of access tertiary circuit switching switch S3 after batch meter, and the leading-out terminal of tertiary circuit switching switch S3 wears long
The cable that family is crossed for electrical interface 4 connects household electricity equipment；The end of incoming cables of second circuit switching switch S2 and tertiary circuit
First line switching switch S1 is serially connected between the end of incoming cables of switching switch S3；First single phase single direction electric energy meter 5 is connected to first
The leading-out terminal of circuit switching switch S1 is the electric energy that power grid is sent out for measuring family's photovoltaic system；Second single phase single direction electric energy
Table 6 is connected to the leading-out terminal of the second circuit switching switch S2, is what household electricity equipment provided for measuring family's photovoltaic system
Electric energy；Single phase bidirectional electric energy meter is connected to the leading-out terminal of tertiary circuit switching switch S3, for measuring family's photovoltaic system and family
Front yard electrical equipment is exchanged with the electric flux between power grid.
The circuit switching switch of the utility model is uniline switching switch, can be closed by button control switches
It closes, is cut-off to complete circuit closure, achieve the purpose that change power flow direction.When rate for incorporation into the power network is higher than residential electricity consumption electricity price,
Photovoltaic generation is all surfed the Internet, at this point, S1, S3 are closed, S2 is disconnected；When rate for incorporation into the power network is less than residential electricity consumption electricity price, photovoltaic generation
Personal, deficiency can be connected to the grid by power grid supplementary power when having surplus when using, at this point, S1 is disconnected, S2, S3 are closed；Work as power grid
Maintenance or when power quality is poor and other reasons do not allow photovoltaic online, photovoltaic generation is personal, does not surf the Internet, at this time S1, S3
It disconnects, S2 is closed.
The utility model is mounted on the domestic consumer for having photovoltaic system and power supply enterprise's property right boundary, by user Shen
Please, power supply enterprise installs, and ownership returns power supply enterprise all.User or power supply enterprise pass through control according to different electricity consumption situations
The closure for making three circuit switchings switch, selects different operating modes, to reach the switching of operating mode and quantitative model.
Claims (1)
1. suitable for the single-phase multi-operation mode electric energy metering device of family's photovoltaic system, including batch meter（1）, feature exists
In：The batch meter（1）Two pieces of single phase single direction electric energy meters, one piece of single phase bidirectional electric energy meter and three circuit switchings are inside provided with to open
It closes, grid interface is offered at the top of batch meter（3）With photovoltaic generating system interface（2）, the bottom of batch meter offers family
For electrical interface（4）；The cable of family's photovoltaic system passes through photovoltaic generating system interface（2）Is accessed after into batch meter
Two circuit switchings switch（S2）End of incoming cables, the second circuit switching switch（S2）Leading-out terminal pass through across family for electrical interface
（4）Cable connect household electricity equipment；The grid interface（3）In pass through tertiary circuit in connection power grid and batch meter to switch
Switch（S3）The cable of end of incoming cables, tertiary circuit switching switch（S3）Leading-out terminal pass through across family for electrical interface（4）Line
Cable connects household electricity equipment；The second circuit switching switch（S2）End of incoming cables and tertiary circuit switching switch（S3）Into
First line switching switch is serially connected between line end（S1）；First single phase single direction electric energy meter（5）First line switching is connected to open
It closes（S1）Leading-out terminal, the second single phase single direction electric energy meter（6）It is connected to the second circuit switching switch（S2）Leading-out terminal, it is single-phase double
It is connected to tertiary circuit switching switch to electric energy meter（S3）Leading-out terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820689407.3U CN208092127U (en) | 2018-05-10 | 2018-05-10 | Single-phase multi-operation mode electric energy metering device suitable for family's photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820689407.3U CN208092127U (en) | 2018-05-10 | 2018-05-10 | Single-phase multi-operation mode electric energy metering device suitable for family's photovoltaic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092127U true CN208092127U (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820689407.3U Active CN208092127U (en) | 2018-05-10 | 2018-05-10 | Single-phase multi-operation mode electric energy metering device suitable for family's photovoltaic system |
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| Country | Link |
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| CN (1) | CN208092127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116526567A (en) * | 2023-06-26 | 2023-08-01 | 深圳智电时代科技有限公司 | Energy management method and device for household photovoltaic power supply system and storage medium |
-
2018
- 2018-05-10 CN CN201820689407.3U patent/CN208092127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116526567A (en) * | 2023-06-26 | 2023-08-01 | 深圳智电时代科技有限公司 | Energy management method and device for household photovoltaic power supply system and storage medium |
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