CN201048424Y

CN201048424Y - Remote metering data transmission and control device

Info

Publication number: CN201048424Y
Application number: CNU2007201078333U
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: 2008-04-16
Anticipated expiration: 2017-04-06

Abstract

The utility model relates to a long-distance measure data transmission control device, which aims at providing the long-distance measure data transmission and control device applied to meters such as an electrometer, a water meter, a gas meter, etc. The long-distance measure data transmission control device comprises an MPU, a communication module, a storage module, a data collecting module, a control signal output module, and a system clock module. The communication module, the storage module, the data collecting module, a control signal output module and the system clock module are respectively connected with the MPU. The communication module adopts a special communication chip supporting FSK communication, and the communication module is used for connecting with public telephone network. By using the public telephone network, the device can build the data transmission network by the low cost. The meter adopted the device is connected with a central control system, thereby performing communication at any moment; the meter data can be transmitted to the central control system through the public telephone network, thereby avoiding the man-made errors or the skullduggery intentionally. A central control center can change a calculated parameter in the device randomly according to the requirements of the trade development.

Description

Remote metering data transmission and control device

Technical field

The utility model relates to the remote metering data transmission control unit, more particularly, relates to a kind of remote metering data transmission and control device that is applicable to instrument such as ammeter, water meter, gas meter.

Background technology

Be installed on the data acquisition of (with respect to people who reads instrumented data or mechanism) measuring instrument of far-end, mainly contain dual mode at present, traditional manual metering and building network transmission.

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 invented remote metering data transmission and control device, are used for realizing at low cost the remote transmission of long-distance metering instrumented data, and can control instrument.

Summary of the invention

The purpose of this utility model is to overcome deficiency of the prior art, and a kind of remote metering data transmission and control device are provided.

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

A kind of remote metering data transmission and control device comprise microprocessor 11, communication module 12, memory module 13, data acquisition module, control signal output module 15 and system clock module; Described communication module 12, memory module 13, data acquisition module, control signal output module 15 and system clock module link to each other with microprocessor 11 respectively;

Described microprocessor 11 is used for the data that collect are carried out computing and judgement, the action of control communication module 12 and control signal output module 15;

Described communication module 12 adopts the private communication chip of supporting FSK communication, is used to connect public telephone network;

Described memory module 13 is used to store data;

Described control signal output module 15 is used to export control signal;

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

As a kind of improvement, described communication module 12 includes the call voice interface, and communication module 12 is connected with public telephone network by the call voice interface.

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

(1) utilize public telephone network can set up data transmission network cheaply;

(2) adopted the instrument of this device to utilize public telephone network to be connected, can communicate at any time when needed, in fact be in the online mode of a kind of puppet 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 the calculating parameter in the needs modifier of business development;

Description of drawings

Fig. 1 is the structure chart of the utility model specific embodiment 1.

Fig. 2 is the structure chart of the utility model specific embodiment 2.

Among the figure, 11 microprocessors, 12 communication modules, 13 memory modules, 14 system clock modules hold concurrently data acquisition module, 15 control signal output modules, 24 data acquisition modules, 26 system clock modules.

Embodiment

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

A kind of remote metering data transmission and control device comprise microprocessor 11, communication module 12, memory module 13, data acquisition module, control signal output module 15 and system clock module; Communication module 12, memory module 13, data acquisition module, control signal output module 15 and system clock module link to each other with microprocessor 11 respectively.

Microprocessor 11 is used for the data that collect are carried out computing and judgement, the action of control communication module 12 and control signal output module 15; Communication module 12 adopts the private communication chip of supporting FSK communication, is used to connect public telephone network; Memory module 13 is used to store data; Control signal output module 15 is used to export control signal; System clock module provides the microprocessor operation required clock signal, date and time.

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

Microprocessor can adopt microprocessor chip like the w78e58 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 chip of U.S. Ramtron company in example;

Communication module is selected the private communication chip of supporting FSK communication for use, and present embodiment adopts the CMX860D chip of CMLMicrocircuits company;

Data acquisition module has dual mode according to the instrumented data way of output, and the one, the pulse count signal device can select for use the 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;

The 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;

The DS1302 of system clock module Dallas company;

With reference to the accompanying drawings, below the utility model is described in detail:

Embodiment 1:

In conjunction with the accompanying drawings 1, the remote metering data transmission in this specific embodiment and the data acquisition module of control device adopt the pulse count signal device.

Microprocessor 11 is used for data operation and control; Communication module 12 utilizes the call voice interface to connect public telephone network, and the central control system online with being connected public telephone communicates; Memory module 13 is used to store data; The system clock module data acquisition module 14 of holding concurrently is used to read the data of measuring instrument, and provides microprocessor 11 operations required clock signal and actual date and time; Control signal output module 15 is used to export control signal.

Be the operation principle of embodiment 1 below:

The system clock module data acquisition module 14 of holding concurrently reads the pulse signal that measuring instrument is sent here in real time, and to the data of converting and deliver to microprocessor 11, microprocessor 11 calculates according to calculation procedure and the calculating parameter that reads from memory module 13, and result of calculation is saved in memory module 13.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 13 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 12, start the audio call central control system by communication module 12 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 11 signals to the control level signal that control signal output module 15 is exported control instruments.

When central control system need read instrumented data, start audio call, provide by communication module 12 and reply, and set up voice channel to the apparatus of the present invention that link to each other with instrument.After setting up voice channel, microprocessor 11 reads the instrumented data of preserving in the memory module 13, and (data acquisition module 14 reads the measuring instrument data in real time and is saved in memory module 13 because system clock module is held concurrently, therefore the data in the memory module 13 are exactly the real time data of instrument), give communication module 12 after encoded and send central control system to.

When central control system need change the calculating parameter of apparatus of the present invention 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 12, send microprocessor 11 again to, by microprocessor 11 parameter is saved in memory module 13, and replaces original parameter.

Embodiment 2:

In conjunction with the accompanying drawings 2, the remote metering data transmission in this specific embodiment and the data acquisition module of control device adopt the RS232 interface.

Microprocessor 11 is used for data operation and control; Communication module 12 utilizes the call voice interface to connect public telephone network, and the central control system online with being connected public telephone communicates; Memory module 13 is used to store data; Data acquisition module 24 is used to read the data of measuring instrument; Control signal output module 15 is used to export control signal; System clock module 26 provides the required clock signal of microprocessor 11 operations, actual date and time.

Be the operation principle of embodiment 2 below:

Data acquisition module 24 reads the data that measuring instrument is sent here in real time, and is sent to microprocessor 11, and microprocessor 11 calculates according to calculation procedure and the calculating parameter that reads from memory module 13, and result of calculation is saved in memory module 13.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 13 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 12, start the audio call central control system by communication module 12 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 11 signals to the control level signal that control signal output module 15 is exported control instruments.

When central control system need read instrumented data, start audio call, provide by communication module 12 and reply, and set up voice channel to the apparatus of the present invention that link to each other with instrument.After setting up voice channel, microprocessor 11 reads the instrumented data of preservation in the memory module 13 (because data acquisition module 24 reads the measuring instrument data in real time and is saved in memory module 13, therefore the data in the memory module 13 are exactly the real time data of instrument), after suitably encoding, give communication module 12 and send central control system to.

When central control system need change the calculating parameter that device that the utility model provides preserves 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 12, sending microprocessor 11 to, by microprocessor 11 parameter is saved in memory module 13, and replaces original parameter.

At last, it is also to be noted that what more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above examples of implementation, and many distortion can also be arranged.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 range of the present utility model.

Claims

1. a remote metering data transmits and control device, it is characterized in that, comprises microprocessor (11), communication module (12), memory module (13), data acquisition module, control signal output module (15) and system clock module; Described communication module (12), memory module (13), data acquisition module, control signal output module (15) and system clock module link to each other with microprocessor (11) respectively;

Described microprocessor (11) is used for the data that collect are carried out computing and judgement, the action of control communication module (12) and control signal output module (15);

Described communication module (12) adopts the private communication chip of supporting FSK communication, is used to connect public telephone network;

Described memory module (13) is used to store data;

Described control signal output module (15) is used to export control signal;

2. remote metering data transmission according to claim 1 and control device is characterized in that described communication module (12) includes the call voice interface, and communication module (12) is connected with public telephone network by the call voice interface.