CN2271704Y

CN2271704Y - Remote detecting device of metering device

Info

Publication number: CN2271704Y
Application number: CN96214275U
Authority: CN
Inventors: 黄佑仲
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-07-11
Filing date: 1996-07-11
Publication date: 1997-12-31
Anticipated expiration: 2006-07-11

Abstract

The utility model relates to a remote detecting device for a measurement meter, wherein, a measurement meter (such as a water meter, an electric meter and a gas meter) is connected with a meter reading interface composed of a Network connector connected with a micro computer controller and the interface circuit of the measurement meter. The meter reading interface is connected with a data processor composed of a CPU connected with a program memory and a data memory by a transmission line. The input of the CPU is connected with the network controller of the meter reading interface and the output is connected with a transmission interface circuit. Then the meter reading interface is connected with a miniature data collector or a data machine or the line without ringing of the telecommunication office. The utility model can be used for far-end control to read the meter value and reduce the labor cost.

Description

The telemetering device of gauging table

The utility model relates to a kind of telemetering device of gauging table, and referring in particular to not to have the telemetering device that the ring circuit carries out the gauging table of phone meter reading by modem, telecommunication bureau by telephone wire.

Government business gauging tables such as water meter, ammeter, gas table, at present all must be regularly go to each user to copy tabular value on the gauging table one by one by the meter reading personnel, import computer by the back office force, transfer printing goes out the consumption bill again, so very big with the check meter time and the manpower that are spent of people, and the existing following problem of manual metering: (one) people is operation, mistranscription or computer input error is often arranged, increase the work of checking.(2) various gauging table installation site is indefinite, and some is arranged at inside, gate, if the user not the time, the meter reading personnel must not advance entry door and go into to remain to handle next time again, the efficient that so wastes time and energy is low, the cost of labor height.

Water, electric company are afraid of that deeply the user often stays out again, the meter reading personnel can't copy the amount of taking smoothly, so unified attic or basement of being located at the building of concentrating of water power gauging table with the building, conveniently to check meter, only take to concentrate gauging table is set, must be in each user dwelling backguy or set pipeline one by one to concentrating the place, so whole building institute must the cost distribution and piping engineering comparatively complexity and material cost are high, and time and effort consuming especially during Maintenance and Repair.

Fundamental purpose of the present utility model is to provide a kind of telemetering device of gauging table, can not have the ring circuit by miniature data collector, modem, telecommunication bureau and carries out far-end and read tabular value, to guarantee data correctness and to save labour turnover.

Secondary objective of the present utility model is to provide a kind of gauging table telemetering device that reduces the distribution cost and maintain easily maintenance.

The purpose of this utility model is achieved in that a kind of telemetering device of gauging table, include several gauging tables, be connected to the meter reading interface on the gauging table (as water meter, ammeter, gas meter), the meter reading interface is connected on the data processor by transmission line, and being connected to miniature data collector or modem or telecommunication bureau does not again have on the ring circuit.

Data processor can connect a network controller.

Data processor connects program storage and data-carrier store by a central processing unit, and input connects meter reading interface network controller and output and connects transmission interface circuit and form.

The meter reading interface connects microcomputer controller by a Network path connector and the gauging table interface circuit is formed.

Network controller connects microcomputer controller by the networking control interface circuit, and its output connects a RS-232 interface circuit and forms.

By above technical scheme analysis as can be known, the utlity model has following advantage:

1, can read tabular value in far-end control,, increase economic benefit to reduce cost of labor.

2, distribution construction easily also can be by the former default connection in building itself directly and connect backguy, and the saving wiring material reduces cost.

3, distribution is attractive in appearance neat, and has wrong show state, is easy to repair and maintenance, reduces maintenance cost.

Below in conjunction with accompanying drawing and specific embodiments the utility model is described in further detail.

Fig. 1 is the gauging table telemetering device of the utility model first embodiment;

Fig. 2 is the gauging table telemetering device of the utility model second embodiment;

Fig. 3 is the frame assumption diagram of the utility model second embodiment;

Fig. 4 is the circuit diagram of the gauging table of the utility model second embodiment;

Fig. 5 is the action flow chart of the utility model data processor.

The utility model is with in the gauging tables such as gas table, water meter and ammeter, with the magnetic sensor is that sensing element utilizes water, electricity, gas just in use, magnet on the gauging table can rotate, and magnetic strength survey this moment element can be sensed the variation of magnet N, the S utmost point, and senses an analog signal.To do waveform processing via the tone mark processor than an analog signal, and obtain a square wave, again this square-wave signal is delivered to the CPU of gauging table inside, CPU can write down the square wave number of being received, processing via software program, and the real tabular value of conversion gauging table, and tabular value is stored in the data-carrier store in the gauging table, and be shown on the display (LCD), or send tabular value to the meter reading interface via communication interface, and the utility model adopts this kind conversion regime that the tabular value in the gauging table is transformed into the meter reading interface, to constitute the kilowatt meter reading-out system of robotization.

At first referring to shown in Figure 1, it mainly is located on each user's the gauging table 1 and is connected to a meter reading interface 2 respectively, meter reading interface 2 is connected in parallel to respectively on the common transmission line 3, this transmission line 3 is the connection of four-core, it is connected on the data processor 4, when data processor 4 will read the tabular value of gauging table 1, can send meter reading interface 2 test commands earlier, if data processor 4 does not receive the response that face 2 is looked in meter reading, judge that then meter reading interface 2 is unusual, the tabular value that finishes this gauging table 1 reads action; Otherwise, if meter reading interface 2 is tested successfully, then data processor 4 will receive the message that meter reading interface 2 is responded, this moment, data processor 4 can be sent the meter reading order to meter reading interface 2, and carrying out reading of gauging table 1 tabular value, the tabular value returned data processor 4 that meter reading this moment interface 2 can be read from the gauging table 1 is to reach reading of a gauging table tabular value.Yet this kind electrical power wiring assembly, its data processor 4 only can and connect 128 meter reading interfaces 2, if when the user surpasses 128 families, this moment must be on each data processor 4 again and connect a network controller 5 (as shown in Figure 2), one network controller 5 can connect 32 data processors 4 at most, so can collect the tabular value of total system, to satisfy the local further management of doing, and can check meter, or do not have the ring circuit and carry out the phone meter reading through modem, telecommunication bureau to reach the saving manual work with telephone wire through RS-232 interface.

Please cooperate referring to Fig. 3, shown in 4, the utility model data processor 4 is by a central processing unit 41, one program storage 42 and a storer 43 cooperate a

data bus

410 and 411 of address buss and are connected into, and establish to a meter reading interface network controller 44 in central processing unit 41 the place aheads, with a data

transmission interface circuit

45,44 of meter reading interface network controllers are connected in series mutually with the Network path connector 20 of meter reading interface 2, and the other end of Network path connector 20 is connected in series with microcomputer controller 21 and gauging table interface circuit 22, and be connected on each user's the gauging table 1, pass the consumption on the gauging table 1 back central processing unit 41 processing so that see through microcomputer controller 21, data processor 4 and network controller 5 is connected again, be respectively to be respectively equipped with a data transmission interface circuit 45 and a networking control interface circuit 50 is compatible by its inside, and network controller 5 inside are provided with a microcomputer controller 51 in addition and reach-RS-232 interface circuit 52, and can connect the microdata gatherer or see through modem with telephone wire through RS-232 interface circuit 52, telecommunication bureau does not have ring circuit etc. and carries out the phone meter reading.

See also shown in Figure 5, it is the action flow chart of data processor 4 of the present utility model, its central processing unit 41 will be checked meter to meter reading interface 2 notices via meter reading interface network controller 20 every one hour, the microcomputer controller 21 of meter reading this moment interface 2 is promptly by gauging table interface circuit 22, obtain at that time tabular value to gauging table 1, and pass this tabular value back central processing unit 41, this moment, program storage 42 judged promptly whether this tabular value is correct, if address correct then under depositing in tabular value in the data-carrier store 43, if incorrectly then notify meter reading interface 2 heavily to cover again to read tabular value, suppose heavily to cover and read for the third time its information and still be mistake, addresses under then depositing in this error message (comprising 1. the 2. gauging table 1 dead battery 5. transmission line 3 broken string situations of meter reading interface 2 faults that 3. break between meter reading interface 2 and the gauging table 1 4. of tabular value mistake) in the data-carrier store 43, so copy each different gauging table 1 automatically, when last gauging table 1 record is finished, whether just jump out to counting is again to arrive in 1 hour, if the time does not arrive as yet, judged whether that then external command comes in, if there is central processing unit 41 then promptly to carry out the outside order (it includes the tabular value at that time that reads a certain gauging table or goes the tabular value of 2 reading of data storeies, 43 interior a certain gauging tables) that comes.

Claims

1, a kind of telemetering device of gauging table, include several gauging tables, it is characterized in that: be connected to the meter reading interface on the gauging table (as water meter, ammeter, gas meter), the meter reading interface is connected on the data processor by transmission line, and being connected to miniature data collector or modem or telecommunication bureau does not again have on the ring circuit.

2, according to the telemetering device of the described gauging table of claim 1, it is characterized in that: data processor can connect a network controller.

3, according to the telemetering device of the described gauging table of claim 1, it is characterized in that: data processor connects program storage and data-carrier store by a central processing unit, and input connects meter reading interface network controller and output and connects transmission interface circuit and form.

4, according to the telemetering device of the described gauging table of claim 1, it is characterized in that: the meter reading interface connects microcomputer controller by a Network path connector and the gauging table interface circuit is formed.

5, according to the telemetering device of the described gauging table of claim 2, it is characterized in that: network controller connects microcomputer controller by the networking control interface circuit, and its output connects a RS-232 interface circuit and forms.