CN202903924U

CN202903924U - On-line metering device with carrier communication function

Info

Publication number: CN202903924U
Application number: CN 201220565951
Authority: CN
Inventors: 陈道升; 李文俊; 沈镇炜
Original assignee: NANJING FEITENG TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: NANJING FEITENG ELECTRONIC TECHNOLOGY CO., LTD.
Priority date: 2012-10-31
Filing date: 2012-10-31
Publication date: 2013-04-24
Anticipated expiration: 2022-10-31

Abstract

Disclosed is an on-line metering device with carrier communication function. The on-line metering device comprises a shell, wherein the shell is connected with power wiring terminals (2) used for being connected with a power line and an indicating lamp (3) used for indicating the working state of the metering device. The on-line metering device is characterized in that the shell is further internally equipped with an electric energy metering module (4), a data processing module (5), a carrier communication module (6) and a power module (7), wherein all the modules constitute the on-line metering device with electric energy metering and power line carrier communication functions, an input end of the electric energy metering module (4) is connected with the power wiring terminals (2) and an output end of the electric energy metering module (4) is connected with an input end of the data processing module (5), an output end of the data processing module (5) is connected with an input end of the carrier communication module (6), an input/output end of the carrier communication module (6) is connected with the power wiring terminals (2), and the power module (7) provides weak working power for all the function modules.

Description

On-line metering device with the carrier communication function

Technical field

The utility model relates to a kind of electric power meter, especially a kind of on-line metering device that is installed on the line of electric force, and specifically a kind of not only have function of measuring, but also have the on-line metering device based on the drive carrier communication function of line of electric force.

Background technology

Along with the quickening of China's industrialization, Development of China's Urbanization, energy resource consumption is also at rapid growth.In order to satisfy the demand of the aspects such as energy-saving and emission-reduction, energy-saving and cost-reducing and energy management, need to carry out on-line monitoring and metering to the energy consumption of consumer.The large power-consuming equipment that uses in some families, office space and industry spot at present is direct-connected by power lead and power switch (air switch, A.C. contactor, disconnecting link etc.) or connection terminal, when this class consumer is carried out on-line monitoring and metering, the socket that is difficult to access the measuring products of electric energy meter and so on or has function of measuring; Although there have been some devices with on-line metering function to use, the part but these devices come with some shortcomings, main deficiency is: the one, except electric energy metrical, there is not the measurement of the power consumption parameter such as electric current, voltage, power, power factor (PF) and direction of current, the 2nd, can not realize constructing communication network and data remote function, the 3rd, field wiring is inconvenient, is not easy to realize on-line monitoring and the energy management of energy consumption.

Summary of the invention

The purpose of the present utility model is not have that power consumption parameter is measured, field wiring is complicated and do not have the problem such as data remote function for present on-line metering device, designed a kind of on-line metering device with the carrier communication function, install and use at the scene easily, in order to realize the power consumption parameter of consumer is measured, and realize the data remote function.

The technical solution of the utility model is:

A kind of on-line metering device with the carrier communication function, it comprises shell 1, be connected with on the shell 1 for the power-line terminal 2 that is connected with line of electric force and the pilot lamp 3 that is used to indicate the measuring apparatus duty, it is characterized in that also being equipped with in the described shell 1 electric energy metering module 4, data processing module 5, carrier communication module 6 and power module 7, they consist of the on-line metering device with electric energy metrical and power line carrier communication; The input end of described electric energy metering module 4 links to each other with power-line terminal 2, its output terminal links to each other with the input end of data processing module 5, the output terminal of data processing module 5 is carried the input end of wave communication module 6, and the I/O end of carrier communication module 6 also connects power-line terminal 2; Described power module 7 provides the work power supply for each functional module.

Described shell 1 is the ring type structure of a sealing, and there is through hole the centre, can allow a line of electric force (phase line) pass; The top of ring type structure is equipped with two power-line terminals 2, is used for linking to each other with zero line with the phase line of line of electric force.

Described electric energy metering module 4 is made of computation chip, current sampling circuit and voltage sampling circuit; Current sampling circuit is sampled to the current signal on the line of electric force that passes shell, and voltage sampling circuit is sampled to the voltage signal on the power-line terminal 2, and sampled signal is sent into the input end of computation chip; The output terminal of computation chip is connected with the single-chip microcomputer of data processing module.

Described data processing module 5 is made of single-chip microcomputer, storer, pilot lamp; The computation chip output terminal of electric energy metering module is connected with the single-chip microcomputer input end, and storer also is connected with single-chip microcomputer, and the output terminal of single-chip microcomputer connects pilot lamp, and the communication port of single-chip microcomputer is connected with the light current interface of carrier communication module.

Described carrier communication module 6 is made of carrier communication circuit; The light current interface of carrier communication module is connected with the communication port of single-chip microcomputer, and the carrier wave coupling interface of carrier communication module is connected with power-line terminal 2.

Described power module 7 is made of DC power supply circuit, and power module provides power supply for respectively electric energy metering module, data processing module, carrier communication module.

Beneficial effect of the present invention:

1, the utility model can be easily detects online to the power consumption parameter of various large power-consuming equipments, not only has the electric energy metrical function, the measurement function that also has the power consumption parameter such as electric current, voltage, power, power factor (PF) and direction of current, owing to adopted the special-purpose electric energy computation chip of high precision, wide-range, the electric energy metrical precision can reach 0.5 grade, can satisfy the requirement of high precision, real time on-line monitoring consumer energy consumption.

2, owing to adopted the Power Line Carrier Communication Module with automatic routing function and circuit listening functions, can carry out the self-adaptation group-net communication, the carrier communication success ratio can reach 100%, satisfy the requirement of real-time Communication for Power, can be easily with the power consumption parameter teletransmission of consumer give that the place (such as the user) that needs monitoring or the computing machine of department (power supply department or government department) etc. record, storage, statistics and analysis, realize the data remote function.

3, to application of the present utility model, greatly improved the ability that the large power-consuming equipment energy consumption is monitored and managed, by in real time, on-line monitoring exactly, the energy consumption of in time analyzing, adding up each consumer is for energy-saving and emission-reduction, reduce energy consumption administration base is provided.

4, physical dimension of the present utility model is small and exquisite, on-the-spot easy for installation, namely can be used for the on-line monitoring of single-phase electric devices, also can be used for the on-line monitoring of three phase electric equipment; Because its low price, easy for installation, be worth promoting and use.

The utility model is simple in structure, and is on-the-spot easy to install, can realize the power consumption parameter of consumer is carried out the remote transmission of remote measurement and data.

Description of drawings

Fig. 1 is schematic block circuit diagram of the present utility model.

Fig. 2 is structural representation of the present utility model.

Among the figure: the 1st, shell; The 2nd, shell power source binding post; The 3rd, pilot lamp on the shell; The 4th, electric energy metering module; The 5th, data processing module; The 6th, carrier communication module; The 7th, power module.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

Referring to Fig. 1, Fig. 2.

A kind of on-line metering device with the carrier communication function, it comprises: 1 pilot lamp 3, electric energy metering module 4, data processing module 5, carrier communication module 6, power module 7 on the power-line terminal 2 on shell 1, the shell 1, the shell.

Shell 1 of the present utility model is the ring type structure of a sealing, and there is through hole the centre, can allow a line of electric force 8(phase line) pass; When installing at the scene, when being single-phase electric devices, only the on-line metering device need to be enclosed within on the phase line of consumer power lead, the top of ring type structure has power-line terminal 2 to connect phase line and the zero line of power lead; When being three phase electric equipment, need three on-line metering devices, be enclosed within respectively on three phase lines of consumer power lead, the power-line terminal 2 of each on-line metering device connects respectively phase line and the zero line of consumer power lead.

Electric energy metering module 4 in the shell 1 of the present utility model can be made of computation chip, current sampling circuit, voltage sampling circuit; Current sampling circuit is sampled to the current signal on the line of electric force that passes, voltage sampling circuit is sampled to the voltage signal on the power-line terminal 2, sampled signal is sent into the input end of computation chip, computation chip obtains the power consumption parameter such as corresponding current value, magnitude of voltage, performance number and power factor after electric current, voltage signal are measured, calculated, and also obtains simultaneously the electric energy metrical value; The output terminal of computation chip is connected with the single-chip microcomputer of data processing module, power consumption parameter and electric energy metrical value can be transferred to single-chip microcomputer; The special metering IC has the advantage of high precision, wide-range, and the support software calibration can be calibrated by carrier communication mode, and the electric energy metrical precision can reach 0.5 grade.

Data processing module 5 in the shell 1 of the present utility model can be made of single-chip microcomputer, storer, pilot lamp; The computation chip output terminal of electric energy metering module is connected with the single-chip microcomputer input end, and single-chip microcomputer can read each power consumption parameter in the computation chip, the electric energy metrical value is added up obtain the electricity consumption value simultaneously; Storer also is connected with single-chip microcomputer, adopts non-volatile type eeprom memory, can store the data such as power consumption parameter, charge value, mailing address, and data are not also lost after having a power failure, and the data holding time can reach more than 10 years; Output terminal at single-chip microcomputer connects pilot lamp, pilot lamp can adopt the LED double color luminotron, so that socket for indicating duty easily, pilot lamp glow green and flicker when socket normally moves, pilot lamp jaundice coloured light during carrier communication, pilot lamp burn red when circuit has fault; The communication port of single-chip microcomputer is connected with the light current interface of carrier communication module, can send or receive order and data to carrier communication module.

Carrier communication module 6 in the shell 1 of the present utility model can be made of carrier communication circuit; The light current interface of carrier communication module is connected with the communication port of single-chip microcomputer, and the carrier wave coupling interface of carrier communication module is connected with power-line terminal 2; After carrier communication module receives carrier signal by the carrier wave coupling interface from line of electric force, obtain order and data through demodulation, and through the light current interface will order and data send to single-chip microcomputer, single-chip microcomputer receives and responds these orders and data, return corresponding data, carrier communication module sends to line of electric force through the carrier wave coupling interface after these data are modulated; This carrier communication module has automatic routing function and circuit listening functions, can carry out the self-adaptation group-net communication, and the carrier communication success ratio can reach 100%, satisfies the requirement of real-time Communication for Power.

Power module 7 in the shell of the present utility model 1 can be made of DC power supply circuit, at the ac input end of power supply lightning surge protection circuit and overvoltage crowbar is arranged, and can filter out power disturb, and prevents lightning damage, protects this socket and consumer; Power module provides power supply for respectively electric energy metering module, data processing module, carrier communication module.

The content that this instructions is not described in detail belongs to the known prior art of those skilled in the art of the present technique.

Above-mentioned explanation is not limitation of the utility model, and the utility model also injustice only limits to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also belong to protection domain.

Claims

1. on-line metering device with the carrier communication function, it comprises shell (1), be connected with for the power-line terminal that is connected with line of electric force (2) on the shell (1) and be used to indicate the pilot lamp (3) of measuring apparatus duty, it is characterized in that also being equipped with in the described shell (1) electric energy metering module (4), data processing module (5), carrier communication module (6) and power module (7), they consist of the on-line metering device with electric energy metrical and power line carrier communication; The input end of described electric energy metering module (4) links to each other with power-line terminal (2), its output terminal links to each other with the input end of data processing module (5), the output terminal of data processing module (5) is carried the input end of wave communication module (6), and the I/O end of carrier communication module (6) also connects power-line terminal (2); Described power module (7) provides the work power supply for each functional module.

2. the on-line metering device with the carrier communication function according to claim 1 is characterized in that described shell (1) is the ring type structure of a sealing, and there is through hole the centre, can allow a line of electric force pass; The top of ring type structure is equipped with two power-line terminals (2), is used for linking to each other with zero line with the phase line of line of electric force.

3. the on-line metering device with the carrier communication function according to claim 1 is characterized in that described electric energy metering module (4) is made of computation chip, current sampling circuit and voltage sampling circuit; Current sampling circuit is sampled to the current signal on the line of electric force that passes shell, and voltage sampling circuit is sampled to the voltage signal on the power-line terminal (2), and sampled signal is sent into the input end of computation chip; The output terminal of computation chip is connected with the single-chip microcomputer of data processing module.

4. the on-line metering device with the carrier communication function according to claim 1 is characterized in that described data processing module (5) is made of single-chip microcomputer, storer, pilot lamp; The computation chip output terminal of electric energy metering module is connected with the single-chip microcomputer input end, and storer also is connected with single-chip microcomputer, and the output terminal of single-chip microcomputer connects pilot lamp, and the communication port of single-chip microcomputer is connected with the light current interface of carrier communication module.

5. the on-line metering device with the carrier communication function according to claim 1 is characterized in that described carrier communication module (6) is made of carrier communication circuit; The light current interface of carrier communication module is connected with the communication port of single-chip microcomputer, and the carrier wave coupling interface of carrier communication module is connected with power-line terminal (2).

6. the on-line metering device with the carrier communication function according to claim 1, it is characterized in that described power module (7) is made of DC power supply circuit, power module provides power supply for respectively electric energy metering module, data processing module, carrier communication module.