CN209460320U

CN209460320U - New energy ammeter

Info

Publication number: CN209460320U
Application number: CN201821686017.7U
Authority: CN
Inventors: 费鑫杰
Original assignee: ZHEJIANG YONGTAILONG ELECTRONIC CO Ltd
Current assignee: ZHEJIANG YONGTAILONG ELECTRONIC CO Ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2019-10-01
Anticipated expiration: 2028-10-17

Abstract

The utility model provides a kind of new energy ammeter, including ammeter ontology, the ammeter ontology includes MCU module, the MCU module is respectively and AC power source, metering module is connected with LCD MODULE, the ammeter ontology further includes six connecting terminals for being connected to the MCU module, six connecting terminals are separately connected supplier of electricity voltage and current end, user side voltage and current end and generating equipment side voltage and current end, and supplier of electricity voltage and current end, the connecting terminal different with any two in six connecting terminals is connected respectively for user side voltage and current end and generating equipment side voltage and current end, the metering module includes the first metering module and the second metering module, first metering module is connected between supplier of electricity and user side, second metering module is connected between user side and generating equipment.The utility model can be realized multi-party metering, not need additionally to install ammeter for the new energy equipment etc. newly increased.

Description

New energy ammeter

Technical field

The utility model belongs to electrical energy measurement field more particularly to a kind of new energy ammeter.

Background technique

As ammeter industry constantly develops, smart grid gradually instead of traditional electric energy measurement, long-range monitoring, The functions such as data analysis, pre-payment are also increasingly paid attention to, and are applied gradually.

Such as Chinese patent discloses a kind of power consumption management apparatus and system [application number: CN201521038956.7], institute Stating device includes: generated output information receiving unit, the generated output information sent for receiving a power generation output device；Electricity consumption Power information receiving unit, for receiving the electric power information of electricity consumption output device transmission；Judging unit, for judging It states generated output information and whether the electric power information is consistent；Signal transmitting unit, for working as the generated output information When inconsistent with the electric power information, output power adjustment signal is sent to the power generation output device, so that the hair Electric power information is consistent with the electric power information.

Above scheme realizes intelligent power supply, but above scheme does not propose multidirectional metering method, at present on the market Intelligent electric meter also only have and be directed to metering method unidirectional between supplier of electricity and user, it is more there is no multiple power supply sources The ammeter in a electricity consumption direction, but in new energy popularization, more and more users are mounted with photovoltaic power generation or other are spontaneous The equipment of electricity needs additionally to fill an ammeter at this time to be used to measure the electrical energy measurement of the power generation or electrical equipment, and nothing Method and current mounted ammeter carry out unified metering processing.

Summary of the invention

The purpose of this utility model is in view of the above-mentioned problems, providing a kind of new energy ammeter that can be realized and measure in many ways.

In order to achieve the above objectives, the utility model proposes a kind of new energy ammeter, including ammeter ontology, the ammeter sheets Body includes MCU module, and the MCU module is connected with AC power source, metering module with LCD MODULE respectively, the electricity Table ontology further includes six connecting terminals for being connected to the MCU module, and six connecting terminals are separately connected supplier of electricity voltage electricity Flow end, user side voltage and current end and generating equipment side voltage and current end, and supplier of electricity voltage and current end, user side voltage and current Hold that the connecting terminal different with any two in six connecting terminals is connected respectively from generating equipment side voltage and current end, the meter Measuring module includes the first metering module and the second metering module, first metering module be connected to supplier of electricity and user side it Between, second metering module is connected between user side and generating equipment.

In above-mentioned new energy ammeter, first metering module includes be connected between supplier of electricity and user side One mutual inductor, first mutual inductor are used to sample the bidirectional current between supplier of electricity and user side；Second metering module Including the second mutual inductor being connected between user side and generating equipment, second mutual inductor is used for sample user side and power generation Bidirectional current between equipment.

In above-mentioned new energy ammeter, the MCU module is connected with the first LED light and the second LED light, and First LED light and the power pulse of the supplier of electricity are coupled, second LED light and the generating equipment Power pulse be coupled.

In above-mentioned new energy ammeter, the generating equipment is replaced with into second user side.

In above-mentioned new energy ammeter, the LCD MODULE includes human-computer interaction module and current for showing The arrow indicating module of current direction.

In above-mentioned new energy ammeter, the AC power source is isolating switch power.

In above-mentioned new energy ammeter, the MCU module is connected with RS485 communication module.

In above-mentioned new energy ammeter, the MCU module is connected with isolated DC power output circuit, and the MCU Module is connected with communication interconnecting module by the isolated DC power output circuit, and the communication interconnecting module is for connecting institute State RS485 communication module.

Compared with prior art, the utility model is in the case where an electric multi-purpose or more electric uses without using multiple electricity Table is measured, and an ammeter need to be only used；It is unexistent for connecting generating equipment and/or the with common ammeter The connecting terminal of two user sides is not limited to the metering method of two side of supplier of electricity and user side；Using bidirectional measuring mode, not office The unidirectional metering method being limited between supplier of electricity and user side；Using LCD MODULE, can by each data intuitively to User shows, so that user understands the electricity consumption situation of oneself at any time；Using communication interconnecting module, the electricity of later period ammeter upgrading is saved Cost is reequiped on road, is easier to upgrade.

Detailed description of the invention

Fig. 1 is the circuit structure block diagram of new energy ammeter in the utility model embodiment one；

Fig. 2 is the connection schematic diagram of ammeter ontology and each equipment in the utility model embodiment one；

Fig. 3 is the metering schematic diagram of metering module in the utility model embodiment one；

Fig. 4 is the connection schematic diagram of ammeter ontology and each equipment in the utility model embodiment two；

Fig. 5 is the metering schematic diagram of metering module in the utility model embodiment two.

In figure, ammeter ontology 1；Connecting terminal 11；MCU module 2；AC power source 21；Metering module 22；First metering module 221；Second metering module 222；LCD MODULE 23；First LED light 24；Second LED light 25；RS485 communication Module 26；Supplier of electricity 3；User side 4；Generating equipment 5；Second user side 6.

Specific embodiment

Present embodiment discloses a kind of new energy ammeters, including ammeter ontology 1, as shown in Figure 1, ammeter ontology 1 includes MCU Module 2, and MCU module 2 is connected with AC power source 21, metering module 22 with LCD MODULE 23 respectively.

Further, as shown in Fig. 2, ammeter ontology 1 further includes six connecting terminals 11 for being connected to MCU module 2, six Connecting terminal 11 is separately connected 5 side voltage and current end of 3 voltage and current end of supplier of electricity, 4 voltage and current end of user side and generating equipment, And 3 voltage and current end of supplier of electricity, 4 voltage and current end of user side and 5 side voltage and current end of generating equipment respectively with six terminals The different connecting terminal 11 of any two is connected in son 11.In addition, as shown in figure 3, metering module 22 includes the first metering module 221 and second metering module 222, the first metering module 221 is connected between supplier of electricity 3 and user side 4, for measuring supplier of electricity 3 output electricity P1 and supplier of electricity 3 input electricity P2, and the second metering module 222 is connected between user side 4 and generating equipment 5, use Electricity P3 is exported in metering generating equipment 5 and generating equipment 5 inputs electricity P4.

Specifically, the first metering module 221 includes being connected to the first mutual inductor between supplier of electricity 3 and user side 4, and first Mutual inductor is used to sample the bidirectional current between supplier of electricity 3 and user side 4；Second metering module 222 includes being connected to user side 4 The second mutual inductor between generating equipment 5, the second mutual inductor is for the two-way electricity between sample user side 4 and generating equipment 5 Stream.

Preferably, MCU module 2 is connected with the first LED light 24 and the second LED light 25, and the first LED light 24 are coupled with the power pulse of supplier of electricity 3, and the power pulse of the second LED light 25 and generating equipment 5 is coupled, and first LED light 24 is used to refer to the power pulse of current supplier of electricity 3, and the second LED light 25 is used to refer to current generating equipment 5 Power pulse.LCD MODULE 23 includes that human-computer interaction module and the arrow for showing that current flow flows to refer to simultaneously Show module, user obtains the data such as each side's input and output electricity by human-computer interaction module, while used indicating mould by arrow Block can know current power direction at any time.

Further, AC power source 21 here is isolating switch power, by using isolating switch power, has cost Low, the features such as operating voltage range is wide, output power.It can guarantee continuously transmitting for communication module, and guarantee liquid crystal display 23 reliably working of module, while there is anti-high input voltage to protect, it also can steady operation at 400V.

Specifically, MCU module 2 is connected with RS485 communication module 26.Preferably, MCU module 2 here is connected with isolation DC power supply output circuit, and MCU module 2 is connected with communication interconnecting module by isolated DC power output circuit, communication turns Connection module is for connecting RS485 communication module 26.Due to having used communication interconnecting module, can carry communication module, be easier to rise Grade, eliminate the later period it is more ammeter installation and route reequip cost.

Embodiment two

As shown in Figure 4 and Figure 5, the present embodiment is similar with embodiment one, the difference is that, the present embodiment is by embodiment one In generating equipment 5 replace with second user side 6, at this point, the second metering module 222 is connected to user side 4 and second user side 6 Between, for measuring the output electricity P5 and input electricity P6 of second user side 6.

The ammeter of the present embodiment can measure the two-way electricity of supplier of electricity 3 Yu user side 4, also can metering user side 4 with Two-way electricity between second user side 6, is hired out and external user convenient for electric energy, and hire out electric energy and when external user without Ammeter need to be additionally installed.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although ammeter ontology 1 is used more herein；Connecting terminal 11；MCU module 2；AC power source 21；Metering module 22；First metering module 221；Second metering module 222；LCD MODULE 23；First LED light 24；Second LED indication Lamp 25；RS485 communication module 26；Supplier of electricity 3；User side 4；Generating equipment 5；The terms such as second user side 6, but be not precluded and make A possibility that with other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention； It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.

Claims

1. a kind of new energy ammeter, including ammeter ontology, the ammeter ontology includes MCU module and is connected to the MCU module AC power source, metering module and LCD MODULE, which is characterized in that the ammeter ontology include six be connected to it is described The connecting terminal of MCU module, and six connecting terminals are respectively used to connection supplier of electricity voltage and current, user side voltage and current and hair Electric equipment side voltage and current, the metering module include the first metering module and the second metering module, first metering module It is connected between supplier of electricity and user side, second metering module is connected between user side and generating equipment.

2. new energy ammeter according to claim 1, which is characterized in that first metering module includes being connected to power supply The first mutual inductor between side and user, first mutual inductor are used to sample the bidirectional current between supplier of electricity and user；Institute Stating the second metering module includes the second mutual inductor being connected between user and generating equipment, and second mutual inductor is for sampling Bidirectional current between user and generating equipment.

3. new energy ammeter according to claim 1, which is characterized in that the MCU module is connected with the first LED light With the second LED light, and first LED light and the power pulse of the supplier of electricity are coupled, and the 2nd LED refers to Show that lamp and the power pulse of the generating equipment are coupled.

4. new energy ammeter according to claim 3, which is characterized in that the generating equipment is replaced with second user.

5. new energy ammeter according to any one of claims 1-4, which is characterized in that the LCD MODULE includes There are human-computer interaction module and the arrow indicating module for showing current flow flow direction.

6. new energy ammeter according to any one of claims 1-4, which is characterized in that the AC power source is to keep apart Powered-down source.

7. new energy ammeter according to any one of claims 1-4, which is characterized in that the MCU module is connected with RS485 communication module.

8. new energy ammeter according to claim 7, which is characterized in that the MCU module is connected with isolated DC power supply Output circuit, and the MCU module is connected with communication interconnecting module, the communication by the isolated DC power output circuit Interconnecting module is for connecting the RS485 communication module.