CN105301304A - Power metering box for photovoltaic power generation - Google Patents
Power metering box for photovoltaic power generation Download PDFInfo
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- CN105301304A CN105301304A CN201510599921.9A CN201510599921A CN105301304A CN 105301304 A CN105301304 A CN 105301304A CN 201510599921 A CN201510599921 A CN 201510599921A CN 105301304 A CN105301304 A CN 105301304A
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Abstract
The invention discloses a power metering box for photovoltaic power generation and belongs to the field of power metering equipment, which is used for metering the power transmission quantity of a photovoltaic grid-connected system. The power metering box comprises a metering box. A master control switch, a client-side switch, a load switch, at least three metering ammeters and a concentrator are arranged inside the metering box. The master control switch is connected with the client-side switch and the load switch. The client-side switch and the load switch are respectively connected with the metering ammeters. The metering ammeters are connected with the concentrator via through communication ports and communication lines. Due to the adoption of the above technical scheme of the invention, a unified and specified power metering box for photovoltaic power generation is provided. Therefore, the metering efficiency and the installation efficiency of the photovoltaic grid-connected system are improved, and the labor intensity is lowered. Meanwhile, the process and the construction quality are fundamentally improved.
Description
Technical field
The invention belongs to electric power metering device field, specifically, particularly relate to a kind of photovoltaic generation electric metering box.
Background technology
Photovoltaic generation is as one of efficient energy of emerging cleaning, along with country's vigorously supporting emerging energy industry and resident's self power generation, parallel network power generation becomes a kind of effective way of application of promoting the use of clean energy, and can substitute the old Blast Furnace Top Gas Recovery Turbine Unit (TRT) of a part and technology gradually.
But in the process promoting resident's parallel network power generation, due to used photovoltaic power generation apparatus not special control and measuring apparatus, carrying out can only adopting in network combination construction process measuring solution temporarily, there is no control and the measuring apparatus that can solve the problem that site operation is loaded down with trivial details, mounting process disunity, workload are large, be easy to cause heavy and repeated labor, can not unify and standard construction quality.
Summary of the invention
The object of the present invention is to provide a kind of photovoltaic generation electric metering box, it can provide the photovoltaic generation electric power metering device of a kind of unification and specification, improve grid-connected measurement efficiency and installation effectiveness, reduce labour intensity, fundamentally improve construction technology and the quality of parallel network power generation.
For achieving the above object, the present invention is achieved by the following technical solutions:
Photovoltaic generation electric metering box described in the present invention, comprise batch meter, the inside of described batch meter is provided with total control switch, customer side switch, load switch, at least three metering ammeters, concentrators, wherein total control switch is connected with customer side switch, load switch, customer side switch, load switch are connected with metering ammeter respectively, and metering ammeter is connected with concentrator by PORT COM and communication line.
Say further, the metering ammeter described in the application comprises generating gauging table, grid-connected gauging table, former Electro-metering table.
Say further, the total control switch described in the application is arranged in the connecting circuit of generating gauging table and photovoltaic devices.
Say further, in the connecting circuit of the load switch described in the application between user load end and grid-connected gauging table.
Say further, in the connecting circuit of the customer side switch described in the application between power supply grid and former Electro-metering table.
Say further, the inside of the batch meter described in the application is also provided with wiring groove.
Say further, the metering ammeter described in the application is low pressure single-phase charge-controlled intelligent electric meter.
Say further, the PORT COM described in the application adopts 485 PORT COM.
Say further, the batch meter described in the application adopts integrated plastic housing to make, and its inside is provided with controlling functions district and function of measuring district.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention thoroughly can solve the problem without special photovoltaic measuring apparatus, promotes work efficiency, reduces labour intensity, fundamentally improves technique and construction quality.
2, the present invention can increase work efficiency, and reduces workload, improves and standard construction quality, makes Electricity customers while normal electricity consumption, play the function of preventing fraudulent use of electricity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, batch meter; 2, total control switch; 3, metering ammeter; 4, concentrator; 5, wiring groove; 6, load switch; 7, customer side switch.
Embodiment
Below in conjunction with drawings and Examples, the technical scheme described in the application is described further.
Embodiment 1: a kind of photovoltaic generation electric metering box, comprise batch meter 1, the inside of described batch meter 1 is provided with total control switch 2, customer side switch 7, load switch 6, at least three metering ammeters 3, concentrators 4, wherein total control switch 2 is connected with customer side switch 7, load switch 6, customer side switch 7, load switch 6 are connected with metering ammeter 3 respectively, and metering ammeter 3 is connected with concentrator 4 by PORT COM and communication line.
Embodiment 2: a kind of photovoltaic generation electric metering box, described metering ammeter 3 comprises generating gauging table, grid-connected gauging table, former Electro-metering table.Described total control switch 2 is arranged in the connecting circuit of generating gauging table and photovoltaic devices.In the connecting circuit of described load switch 6 between user load end and grid-connected gauging table.In the connecting circuit of described customer side switch 7 between power supply grid and former Electro-metering table.The inside of described batch meter 1 is also provided with wiring groove 5.Described metering ammeter 3 is low pressure single-phase charge-controlled intelligent electric meter.Described PORT COM adopts 485 PORT COM.Described batch meter 1 adopts integrated plastic housing to make, and its inside is provided with controlling functions district and function of measuring district.Remainder is identical with embodiment 1.
Be provided with all kinds of gauge tap in controlling functions district described in the present invention, as total control switch 2, load switch 6, customer side switch 7 etc., and correspondence position has handle hole on the cover plate of casing, and handled easily personnel carry out operation and control; Described function of measuring district comprises various types of metering ammeter 3, concentrator 4, and has view window on the cap locations of metering ammeter 3 correspondence, convenient operation personnel can carry out observed and recorded to the state of metering ammeter 3 and data.
In view of above-described embodiment, the present invention in use, the electric energy that photovoltaic power generation apparatus produces enters in generating gauging table by total control switch 2, and the outgoing line side of generating gauging table receives grid-connected gauging table and user load end, and user can use photovoltaic power generation apparatus to carry out electricity consumption.When the power consumption of user is less than the generated energy of photovoltaic power generation apparatus, remaining electricity by grid-connected gauging table and former Electro-metering table to the reverse power transmission of low-voltage distribution electrical network, can realize generating electricity by way of merging two or more grid systems of photovoltaic power generation apparatus.The electricity that generates electricity by way of merging two or more grid systems is measured by grid-connected gauging table.485 communication lines are adopted to carry out communication between each metering ammeter and concentrator 4, to realize the collection charging of generating electricity and grid-connected conveying electricity.Concentrator 4 adopts the various ways such as 485 communication lines or GPRS and remote-control device to realize communication and checks meter.
Claims (9)
1. a photovoltaic generation electric metering box, comprise batch meter (1), it is characterized in that: the inside of described batch meter (1) is provided with total control switch (2), customer side switch (7), load switch (6), at least three metering ammeters (3), concentrator (4), wherein total control switch (2) and customer side switch (7), load switch (6) connects, customer side switch (7), load switch (6) is connected with metering ammeter (3) respectively, metering ammeter (3) is connected with concentrator (4) by PORT COM and communication line.
2. photovoltaic generation electric metering box according to claim 1, is characterized in that: described metering ammeter (3) comprises generating gauging table, grid-connected gauging table, former Electro-metering table.
3. photovoltaic generation electric metering box according to claim 2, is characterized in that: described total control switch (2) is arranged in the connecting circuit of generating gauging table and photovoltaic devices.
4. photovoltaic generation electric metering box according to claim 3, is characterized in that: in the connecting circuit of described load switch (6) between user load end and grid-connected gauging table.
5. photovoltaic generation electric metering box according to claim 4, is characterized in that: in the connecting circuit of described customer side switch (7) between power supply grid and former Electro-metering table.
6. photovoltaic generation electric metering box according to claim 5, is characterized in that: the inside of described batch meter (1) is also provided with wiring groove (5).
7. photovoltaic generation electric metering box according to claim 6, is characterized in that: described metering ammeter (3) is low pressure single-phase charge-controlled intelligent electric meter.
8. photovoltaic generation electric metering box according to claim 7, is characterized in that: described PORT COM adopts 485 PORT COM.
9. photovoltaic generation electric metering box according to claim 8, is characterized in that: described batch meter (1) adopts integrated plastic housing to make, and its inside is provided with controlling functions district and function of measuring district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599921.9A CN105301304B (en) | 2015-09-18 | 2015-09-18 | Photovoltaic generation electric metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599921.9A CN105301304B (en) | 2015-09-18 | 2015-09-18 | Photovoltaic generation electric metering box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105301304A true CN105301304A (en) | 2016-02-03 |
| CN105301304B CN105301304B (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510599921.9A Active CN105301304B (en) | 2015-09-18 | 2015-09-18 | Photovoltaic generation electric metering box |
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| Country | Link |
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| CN (1) | CN105301304B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179426A (en) * | 2017-06-06 | 2017-09-19 | 国网江苏省电力公司高邮市供电公司 | The anti-grid-connected repetition metering electric energy meter of one kind |
| CN109787122A (en) * | 2019-01-27 | 2019-05-21 | 胡佳 | A kind of photovoltaic power generation electric metering box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004339U (en) * | 2010-11-12 | 2011-10-05 | 成都星宇节能技术股份有限公司 | Intelligent integrated distribution box |
| CN203658417U (en) * | 2013-11-27 | 2014-06-18 | 国家电网公司 | Distributed power grid connection bidirectional metering control box |
| CN203896297U (en) * | 2014-04-10 | 2014-10-22 | 国家电网公司 | Low voltage photovoltaic power generation meter box |
| CN203911279U (en) * | 2014-05-09 | 2014-10-29 | 国网四川节能服务有限公司 | Intelligent integrated distribution box based on wireless communication |
| CN104569527A (en) * | 2015-02-03 | 2015-04-29 | 国家电网公司 | Metering box used for low-voltage distributed type photovoltaic power generation |
-
2015
- 2015-09-18 CN CN201510599921.9A patent/CN105301304B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004339U (en) * | 2010-11-12 | 2011-10-05 | 成都星宇节能技术股份有限公司 | Intelligent integrated distribution box |
| CN203658417U (en) * | 2013-11-27 | 2014-06-18 | 国家电网公司 | Distributed power grid connection bidirectional metering control box |
| CN203896297U (en) * | 2014-04-10 | 2014-10-22 | 国家电网公司 | Low voltage photovoltaic power generation meter box |
| CN203911279U (en) * | 2014-05-09 | 2014-10-29 | 国网四川节能服务有限公司 | Intelligent integrated distribution box based on wireless communication |
| CN104569527A (en) * | 2015-02-03 | 2015-04-29 | 国家电网公司 | Metering box used for low-voltage distributed type photovoltaic power generation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179426A (en) * | 2017-06-06 | 2017-09-19 | 国网江苏省电力公司高邮市供电公司 | The anti-grid-connected repetition metering electric energy meter of one kind |
| CN109787122A (en) * | 2019-01-27 | 2019-05-21 | 胡佳 | A kind of photovoltaic power generation electric metering box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105301304B (en) | 2018-04-27 |
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