CN201017461Y

CN201017461Y - Intelligent online metering device

Info

Publication number: CN201017461Y
Application number: CNU2007201078371U
Authority: CN
Inventors: 齐益军
Original assignee: Hangzhou Zhonghao Tech Co Ltd
Current assignee: Hangzhou Zhonghao Tech Co Ltd
Priority date: 2007-04-06
Filing date: 2007-04-06
Publication date: 2008-02-06
Anticipated expiration: 2017-04-06

Abstract

The utility model relates to a meter, which aims at providing an intelligent online type meter. The instrument comprises a meterage component as well as an electronic switch component and a remote meterage data transmission and control device; the remote meterage data transmission and control device is composed of a micro-processor, a communication module, a storage module, a data acquisition module, a control signal output module and a system timer module; wherein, the communication module, the storage module, the data acquisition module, the control signal output module and the system timer module are respectively connected with the micro-processor; the meterage component is linked to the data acquisition module; the electronic switch component is connected with the control signal output module; the communication module utilizes a special communication chip to support FSK communication, to connect with a public telephone network. The instrument can establish a data transmission network in low cost with the public telephone network, in order to fulfill communication with the central control system any time and avoid man-made faults or intentional skulduggery.

Description

Intelligent online formula measuring instrument

Technical field

The utility model relates to a kind of measuring instrument, more particularly, relates to a kind of intelligent online formula measuring instrument.

Background technology

Be installed on (with respect to people who reads instrumented data or mechanism) measuring instrument of far-end, press the data acquisition modes branch, mainly contain dual mode at present, need the traditional type instrument of manual metering and set up the intelligence instrument that data transmission network carries out automatic data acquisition.

As long as adopt manual metering mode measuring instrument to have metering and Presentation Function, cost is low.But for resembling a large amount of instrument of using such as ammeter, water meter, gas meter, need a large amount of manually checking meter, add up, operation cost is very high, and is easy to generate mistake.

Along with the development of technology, at the defective of manual metering, develop long-distance meter-reading system or exempted from kilowatt meter reading-out system, as IC-card formula ammeter, electric power carrier wave remote meter reading, GSM remote meter reading etc., be applied to ammeter, water meter and gas meter gradually.But these technology or exist various defectives, after promoting a period of time, be proved infeasible, as IC-card formula ammeter since structural defective practised fraud easily; Or have that cost is too high can't large-scale popularization to be used.

At this situation, we have designed intelligent online formula measuring instrument, and the realization low-cost data is gathered automatically, and the transmission of Long-distance Control instrument and measured medium.

Summary of the invention

The purpose of this utility model is to overcome deficiency of the prior art, and a kind of intelligent online formula measuring instrument is provided.

In order to overcome the above problems, the utility model is achieved through the following technical solutions.

A kind of intelligent online formula measuring instrument comprises metering unit, also comprises transmission of electronic switch parts and remote metering data and control device; Described remote metering data transmission and control device comprise microprocessor, communication module, memory module, data acquisition module, control signal output module and system clock module; Described communication module, memory module, data acquisition module, control signal output module and system clock module link to each other with microprocessor respectively; Described metering unit links to each other with data acquisition module, and described electronic switch parts link to each other with control signal output module;

Described microprocessor is used for the data that collect are carried out computing and judgement, the action of control communication module and control signal output module;

Described communication module adopts the private communication chip of supporting FSK communication, is used to connect public telephone network;

Described memory module is used to store data;

Described control signal output module is used to export the signal of control electronic switch parts action;

Described system clock module provides the date and time of the required clock signal of microprocessor operation, reality.

As a kind of improvement, described electronic switch parts are used to control the opening and closing of medium transmission passage or the path of measuring.

As a kind of improvement, described electronic switch component configuration has the volume control device of control metering medium transmission flow.

Compared with prior art, the beneficial effects of the utility model are:

(1) utilize public telephone network can set up data transmission network at low cost.

(2) utilize public telephone network to be connected, can communicate at any time when needed, in fact be in a kind of puppet mode online with central control system.

(3) instrumented data is transferred to central control system by transmission network, has avoided artificial wrong or deliberately play tricks.

(4) CCC can be at any time according to control and calculating parameter in the needs change instrument of business development.

Description of drawings

Fig. 1 is the structural representation of specific embodiment 1.

Fig. 2 is the structural representation of specific embodiment 2.

Among the figure, 11 metering units, 12 microprocessors, 13 communication modules, 14 memory modules, 15 data acquisition modules, 16 control signal output module, 17 electronic switch parts, 28 system clock modules.

Embodiment

In conjunction with the accompanying drawings, below the utility model is elaborated.

A kind of intelligent online formula measuring instrument comprises metering unit, also comprises transmission of electronic switch parts and remote metering data and control device; Remote metering data transmission and control device comprise microprocessor, communication module, memory module, data acquisition module, control signal output module and system clock module; Communication module, memory module, data acquisition module, control signal output module and system clock module link to each other with microprocessor respectively; Described metering unit links to each other with data acquisition module, and described electronic switch parts link to each other with control signal output module;

Microprocessor is used for the data that collect are carried out computing and judgement, the action of control communication module and control signal output module; Communication module adopts the private communication chip of supporting FSK communication, is used to connect public telephone network; Memory module is used to store data; Control signal output module is used to export the signal of control electronic switch parts action; System clock module provides the date and time of the required clock signal of microprocessor operation, reality.

The various components and parts that relate in the utility model example can be selected following model:

Metering unit can by existing instrument with pulse signal output function or RS232 data output function to shell just reequip can, we have just selected DD862a type single-phase electric energy meter in example.

Microprocessor can adopt microprocessor chip like the w78e58 chip of winbond company and other performance classes;

Memory module adopt to be supported the high speed reads write performance, the storage chip of can be unlimited erasable, power down protection.We adopt the ferroelectric memory FM24C16 of U.S. Ramtron company in example;

Communication module is selected the private communication chip of supporting FSK communication for use, as the CMX860D chip of CML Microcircuits company;

Data acquisition module has dual mode according to the instrumented data way of output, the one, the pulse count signal device, can select for use the pulse signal pulse count signal device of any can reading≤2V or other can carry out the element of pulse count signal, as the DS1302 of Dallas company.Another is RS232, can select any one RS232 member for use.

Control signal output module is actually one group of level signal lead-out terminal, and employing can export≤± the arbitrary signal lead-out terminal of the level signal of 5V.

System clock module is selected the DS1302 of Dallas company for use.

The electronic switch parts are selected to select suitable relay or other switch blocks for use according to the model and the classification of instrument, and the model that we have selected OMRON company to produce in example is the relay of G5V-2-H.

Embodiment 1:

The data acquisition module of the intelligent online formula measuring instrument in the present embodiment adopts the pulse count signal device.

Metering unit 11 is used for the metering medium is measured; Microprocessor 12 is used for data operation and control; Communication module 13 utilizes the call voice interface to connect public telephone network, and the central control system online with being connected public telephone communicates; Memory module 14 is used to store data; The system clock module data acquisition module 15 of holding concurrently is used to read the data of metering unit, and the required clock signal of microprocessor 12 operations, actual date and time are provided; Control signal output module 16 is used to export control signal; Electronic switch parts 17 are used for metering medium transmission passage is controlled.

Be the principle of work of embodiment 1 below:

Metering unit 11 is given the system clock module data acquisition module 15 of holding concurrently with continuous data in real time by the mode of pulse signal, by clock module hold concurrently data acquisition module 15 and to the data of converting after deliver to microprocessor 12, microprocessor 12 calculates according to calculation procedure and the calculating parameter that reads from memory module 14, and result of calculation is saved in memory module 14.When satisfying, result of calculation (controls when carrying out the condition of exchanges data by parameter with central control system, instrument and application decision according to reality, be saved in memory module 14 in advance, as be ammeter, need every month transmission primaries electricity, then then just trigger this condition) in the time of setting, signal to communication module 13, start the audio call central control system by communication module 13 by the telephone number of transfering to the central control system connecting system, and set up data transmission channel with central control system and carry out data communication, data transmission format is the FSK form.When result of calculation satisfies a certain control at instrument, or with the central control system communication process in when receiving the instruction of CCC, microprocessor 12 signals to the control level signal of control signal output module 16 output control instruments, 17 actions of control electronic switch parts.

When central control system need read instrumented data, start audio call, provide by communication module 13 and reply, and set up voice channel to the utility model device that links to each other with instrument.After setting up voice channel, microprocessor 12 reads the instrumented data of preserving in the memory module 14, gives communication module 13 and send central control system to after suitably encoding.

When central control system need change the calculating parameter of the utility model device preservation in advance, after identical mode is set up contact in the time of also can be with reading of data, the parameter that need are changed is transferred to communication module 13, sending microprocessor 12 to, by microprocessor 12 parameter is saved in memory module 14, and replaces original parameter.

Embodiment 2:

The data acquisition module of the intelligent online formula measuring instrument in the present embodiment adopts the RS232 interface.

Metering unit 11 is used for the metering medium is measured; Microprocessor 12 is used for data operation and control; Communication module 13 utilizes the call voice interface to connect public telephone network, and the central control system online with being connected public telephone communicates; Memory module 14 is used to store data; Data acquisition module 15 is used to read the data of metering unit; Control signal output module 16 is used to export control signal; Electronic switch parts 17 are used for metering medium transmission passage is controlled; System clock module 28 provides required clock signal of microprocessor operation and actual date and time.

Be the principle of work of embodiment 2 below:

Metering unit 12 is given data acquisition module 15 with continuous data in real time by the RS232 transmission manner, deliver to microprocessor 12 after converting data to by data acquisition module 15 and with it, microprocessor 12 calculates according to calculation procedure and the calculating parameter that reads from memory module 14, and result of calculation is saved in memory module 14.When satisfying, result of calculation (controls when carrying out the condition of exchanges data by parameter with central control system, instrument and application decision according to reality, be saved in memory module 14 in advance, as be ammeter, need every month transmission primaries electricity, then then just trigger this condition) in the time of setting, signal to communication module 13, start the audio call central control system by communication module 13 by the telephone number of transfering to the central control system connecting system, and set up data transmission channel with central control system and carry out data communication, data transmission format is the FSK form.When result of calculation satisfies a certain control at instrument, or with the central control system communication process in when receiving the instruction of CCC, microprocessor 12 signals to the control level signal of control signal output module 16 output control instruments, 17 actions of control electronic switch parts.

At last, it should be noted that the above specific embodiment of the utility model of enumerating.Obviously, the utility model is not limited to above embodiment, can also be by a lot of distortion.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.

Claims

1. an intelligent online formula measuring instrument comprises metering unit, it is characterized in that, also comprises transmission of electronic switch parts and remote metering data and control device; Described remote metering data transmission and control device comprise microprocessor, communication module, memory module, data acquisition module, control signal output module and system clock module; Described communication module, memory module, data acquisition module, control signal output module and system clock module link to each other with microprocessor respectively; Described metering unit links to each other with data acquisition module, and described electronic switch parts link to each other with control signal output module;

Described memory module is used to store data;

2. measuring instrument automatic data collection according to claim 1 and transmission system is characterized in that described electronic switch parts are used to control the opening and closing of medium transmission passage or the path of measuring.

3. measuring instrument automatic data collection according to claim 1 and transmission system is characterized in that, described electronic switch component configuration has the volume control device of control metering medium transmission flow.