CN203572502U - Paperless recorder - Google Patents
Paperless recorder Download PDFInfo
- Publication number
- CN203572502U CN203572502U CN201320783357.2U CN201320783357U CN203572502U CN 203572502 U CN203572502 U CN 203572502U CN 201320783357 U CN201320783357 U CN 201320783357U CN 203572502 U CN203572502 U CN 203572502U
- Authority
- CN
- China
- Prior art keywords
- circuit
- chip microcomputer
- button
- paperless recorder
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a paperless recorder. A pressure sensor, a temperature sensor and a flow sensor are connected with an amplifying circuit; the amplifying circuit is connected with a filter circuit; the filter circuit is connected with an A/D switching circuit; the A/D switching circuit is connected with an optoelectronic isolation circuit; the optoelectronic isolation circuit is connected with a single chip microcomputer; the single chip microcomputer is respectively connected with a clock circuit, a keyboard input module, a power supply circuit, a liquid crystal display module and a memory; and the single chip microcomputer is connected with a host computer through an RS 485 communication circuit. The paperless recorder is reasonable in structure and convenient to operate, the paperless recorder is multipurpose and can meet requirements of measurement; and management of computer network transmission is convenient, mismatch and incompatibility among a plurality of flow instruments during transmission are solved, spare parts are reduced, the maintenance workload is reduced, and instrument maintainers can conveniently maintain the paperless recorder.
Description
Technical field
The utility model relates to a kind of instrument and meter, specifically, relates to a kind of recording instrument without paper.
Background technology
Industrial usually needs recorded the information such as flow, temperature, pressure, differential pressure, and conventional registering instrument is due to function singleness, and flow mathematical model is simple, and line service is loaded down with trivial details, cannot meet the requirement of production run comprehensive automation.Just by multi-functional recording instrument without paper, replaced.As a take microprocessor as core, collect many computation models, liquid crystal Chinese character and figure and be shown as one.There is a-table-multi-purpose, real time record, smart instrumentation that precision is high.And for user, what be concerned about most is the combination property of the instrument such as a-table-multi-purpose, precision and reliability, applicability, cost performance. therefore study problems particularly crucial.
Utility model content
For above-mentioned deficiency of the prior art, the utility model, and a kind of minimizing spare part is provided, reduce the recording instrument without paper that maintenance workload is convenient to instrument maintainer operation.
Technical solution adopted in the utility model is:
A recording instrument without paper, comprises pressure transducer for gathering pressure signal, for the temperature sensor of collecting temperature signal with for gathering the flow sensor of flow signal; Described pressure transducer, temperature sensor and flow sensor are connected with amplifying circuit; Amplifying circuit is connected with filtering circuit; Filtering circuit is connected with A/D change-over circuit; A/D change-over circuit is connected with photoelectric isolating circuit; Photoelectric isolating circuit is connected with single-chip microcomputer; Single-chip microcomputer is connected with storer with clock circuit, keyboard load module, power circuit, LCD MODULE respectively; Single-chip microcomputer is connected with host computer by RS485 telecommunication circuit.
Before and after described keyboard load module comprises, recollect button, passage button, time button, confirm button and turnover key.
The beneficial effect of the relative prior art of the utility model:
The utility model recording instrument without paper, rational in infrastructure, easy to operate, accomplished a-table-multi-purpose, only by a kind of instrument, just can meet measuring requirement, facilitated computer network transfer management, solved not mating of various flow rate instrument cubicle in transmission, incompatibility problem, reduces spare part, reduce maintenance workload, be convenient to instrument maintainer operation.
Accompanying drawing explanation
Fig. 1 is the utility model recording instrument without paper structural representation.
Critical piece symbol description in accompanying drawing:
In figure:
1, pressure transducer 2, flow sensor
3, temperature sensor 4, amplifying circuit
5, filtering circuit 6, A/D change-over circuit
7, photoelectric isolating circuit 8, single-chip microcomputer
9, LCD MODULE 10, USB interface
11, storer 12, RS485 communicating circuit
13, host computer 14, power circuit
15, keyboard load module 16, clock circuit.
Embodiment
Referring to drawings and Examples, the utility model is described in detail:
Accompanying drawing 1 is known, and a kind of recording instrument without paper comprises pressure transducer 1 for gathering pressure signal, for the temperature sensor 3 of collecting temperature signal with for gathering the flow sensor 2 of flow signal; Described pressure transducer 1, temperature sensor 3 and flow sensor 2 are connected with amplifying circuit 4; Amplifying circuit 4 is connected with filtering circuit 5; Filtering circuit 5 is connected with A/D change-over circuit 6; A/D change-over circuit 6 is connected with photoelectric isolating circuit 7; Photoelectric isolating circuit 7 is connected with single-chip microcomputer 8; Single-chip microcomputer 8 is connected with clock circuit 16, keyboard load module 15, power circuit 14, LCD MODULE 9 and storer 11 respectively; Single-chip microcomputer 8 is connected with host computer 13 by RS485 telecommunication circuit 12.
Before and after described keyboard load module 15 comprises, recollect button, passage button, time button, confirm button and turnover key.
The utility model recording instrument without paper, comprise for gathering the pressure transducer of pressure signal, temperature sensor for collecting temperature signal, for gathering flow sensor and the amplifying circuit for above-mentioned each sensor output electrical signals is amplified of flow signal, also comprise for the simulating signal after amplifying being carried out to the filtering circuit of filtering processing and for the simulating signal of processing through filtering being carried out to the A/D change-over circuit of digital-to-analog conversion and being the power module of each power unit power supply of system, described pressure transducer, temperature sensor, flow sensor all joins with amplifying circuit, amplifying circuit and filtering circuit join, filtering circuit and A/D change-over circuit join, A/D change-over circuit is connected to photoelectric isolating circuit, photoelectric isolating circuit is connected to single-chip microcomputer, the input end of single-chip microcomputer is connected to clock circuit and the keyboard load module that is used to system that time reference is provided, the output terminal of single-chip microcomputer is connected to LCD MODULE and storer, storer output terminal is connected to USB interface, single-chip microcomputer is joined and is communicated by serial communication circuit and host computer, before and after comprising, recollects keyboard load module button, passage button, time button, confirm button and turnover key.Singlechip chip is MSP430F149, and LCD MODULE adopts Liquid Crystal Module JMl2864.Serial communication circuit is RS485 interface circuit.
The utility model recording instrument without paper course of work is: the simulating signal (pressure, temperature, flow etc.) from outside multiple sensors is carried out analog to digital conversion after amplifying circuit is processed. after signal isolation, send into single-chip microcomputer 1 and complete data processing, by LCD MODULE, shown the information such as current pressure, temperature, instantaneous delivery, integrated flux.By keyboard operation, can between each interface, switch, show respectively each passage in real time, historical data and curve, alarm condition, powering-off state, and monthly, day, the integrated flux in year.Native system provides communication function in addition, can, by reading and writing parameter and service data with host computer by serial port, realize the information interactions such as printing.Storer wear USB interface and can in backup, be admitted to USB flash disk before the real time data of 6 months.
The utility model recording instrument without paper, rational in infrastructure, easy to operate, accomplished a-table-multi-purpose, only by a kind of instrument, just can meet measuring requirement, facilitated computer network transfer management, solved not mating of various flow rate instrument cubicle in transmission, incompatibility problem, reduces spare part, reduce maintenance workload, be convenient to instrument maintainer operation.Not only built-in orifice plate, vortex street, the mathematical model of standard throttling element, has has also researched and developed test tube, V cone, elbowmeter, the mathematical model of bar class flowmeter etc., has met the use of various on-the-spot flow meterings.To realize a-table-multi-purpose, can be widely used in trade settlement and factory's measuring control network of the industries such as petrochemical industry, chemical industry, metallurgy, electric power, light industry, medicine and gas, heat supply.
Claims (2)
1. a recording instrument without paper, is characterized in that: comprise pressure transducer for gathering pressure signal, for the temperature sensor of collecting temperature signal with for gathering the flow sensor of flow signal; Described pressure transducer, temperature sensor and flow sensor are connected with amplifying circuit; Amplifying circuit is connected with filtering circuit; Filtering circuit is connected with A/D change-over circuit; A/D change-over circuit is connected with photoelectric isolating circuit; Photoelectric isolating circuit is connected with single-chip microcomputer; Single-chip microcomputer is connected with storer with clock circuit, keyboard load module, power circuit, LCD MODULE respectively; Single-chip microcomputer is connected with host computer by RS485 telecommunication circuit.
2. recording instrument without paper according to claim 1, is characterized in that: before and after described keyboard load module comprises, recollect button, passage button, time button, confirm button and turnover key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783357.2U CN203572502U (en) | 2013-12-03 | 2013-12-03 | Paperless recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783357.2U CN203572502U (en) | 2013-12-03 | 2013-12-03 | Paperless recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572502U true CN203572502U (en) | 2014-04-30 |
Family
ID=50540230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320783357.2U Expired - Fee Related CN203572502U (en) | 2013-12-03 | 2013-12-03 | Paperless recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165656A (en) * | 2014-08-18 | 2014-11-26 | 无锡锐泰节能系统科学有限公司 | Ultrasonic water quality heat flow meter |
| CN105526986A (en) * | 2016-01-27 | 2016-04-27 | 贵州大学 | Liquid flow measurement and acquisition device |
-
2013
- 2013-12-03 CN CN201320783357.2U patent/CN203572502U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165656A (en) * | 2014-08-18 | 2014-11-26 | 无锡锐泰节能系统科学有限公司 | Ultrasonic water quality heat flow meter |
| CN105526986A (en) * | 2016-01-27 | 2016-04-27 | 贵州大学 | Liquid flow measurement and acquisition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20211203 |