CN204007803U - gas meter data communication test manual operator - Google Patents
gas meter data communication test manual operator Download PDFInfo
- Publication number
- CN204007803U CN204007803U CN201420186428.5U CN201420186428U CN204007803U CN 204007803 U CN204007803 U CN 204007803U CN 201420186428 U CN201420186428 U CN 201420186428U CN 204007803 U CN204007803 U CN 204007803U
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- CN
- China
- Prior art keywords
- keyboard
- gas meter
- key
- chip microcomputer
- liquid crystal
- 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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Abstract
A kind of gas meter data communication test manual operator, comprise housing, single-chip microcomputer, Liquid Crystal Module, LCDs, keyboard, 485 translation interfaces, charger, lithium battery, power switch, stepup transformer and connection circuit, housing is made as rectangle, upper width is greater than lower width, upper front is provided with rectangle LCDs, in upper body, be provided with Liquid Crystal Module, in lower case, be provided with single-chip microcomputer and lithium battery power supply, in single-chip microcomputer, be provided with Natural gas data and accept handling procedure, be provided with keyboard in lower house upper front, keyboard is provided with enter key, return key, on add key and under subtract key, be provided with RS485 interface in all sides of lower house, charging inlet and power switch.Enter gas meter communication test according to menu, select website, gas distribution station, website data to enter test interface, show address, record every table data response times with counting form, completed the test to acquisition system function and gas meter communication performance simultaneously.
Description
Technical field
The utility model belongs to test technique automatic field, specifically a kind of gas meter data communication test manual operator, be applied to the RS485 communication test of field joint stations and a large amount of gas meter continuous datas that use of collection gas distribution station, gas discharge instrument can complete natural gas flow through the instantaneous delivery of instrument, metering and the storage of integrated flux, the temperature and pressure that also can simultaneously complete the medium of flowing through detects, and these data can be passed through RS485 interface and the modbus communications protocol data acquisition of instrument.Content of the present utility model is to make a set of special portable instrument, completes on-the-spot gas meter and acquisition system function are tested, the convenient maintenance of the maintenance repair to system.
Background technology
Gas meter belongs to flow instrument, except scene is gauge outfit shows on the spot, generally all provides signal and data remote interface, as following table:
Adopting the advantage of the RS485 interface mode of instrument is that data are comprehensive, can obtain the multiparameters such as instantaneous flow, cumulative amount, pressure, temperature,, be therefore widely adopted with bus mode data acquisition material saving (communication cable), province's collecting device for many flow instruments.But on-the-spot test difficulty is large, generally need RS485/232 conversion equipment, notebook computer and corresponding software (being provided by manufacturer) just can complete, very inconvenient.
Summary of the invention
The purpose of this utility model is to provide a kind of gas meter data communication test manual operator, overcomes the defect that above-mentioned prior art exists.
The technical solution of the utility model is achieved in the following ways:
The utility model comprises housing, single-chip microcomputer, Liquid Crystal Module, LCDs, keyboard, 485 translation interfaces, charger, lithium battery, power switch, stepup transformer and connection circuit, it is characterized in that: housing is made as rectangle, upper width is greater than lower width, upper front is provided with rectangle LCDs, in upper body, be provided with Liquid Crystal Module, in lower case, be provided with single-chip microcomputer and lithium battery power supply, in single-chip microcomputer, be provided with Natural gas data and accept handling procedure, be provided with keyboard in lower house upper front, keyboard is provided with enter key, return key, on add key and under subtract four keys of key, be provided with RS485 interface in all sides of lower house, charging inlet and power switch.
Connecting circuit is: single-chip microcomputer is connected with Liquid Crystal Module, keyboard, RS485 interface, 5V stepup transformer and 24V stepup transformer respectively, lithium battery is connected with charging inlet and power switch respectively, power switch is connected with 5V stepup transformer and 24V stepup transformer, and Liquid Crystal Module and LCDs are connected.
The utility model comprises following functions:
1) gas meter communication test: acquisition system and instrument communication state are tested, can disposable checking polylith table and the communication function of data acquisition module.
2) gas as single table test: assigned address list table is carried out to 485 communication tests.
3) gas meter scanning: given address realm scans (being used in the operation while not knowing instrument address) to gas meter.
4) 485 data read: designating unit data read.
5) 485 data write: designating unit data write.
6) parameter setting: direct current 24V output, LCD backlight and 485 parameters are arranged.
7) battery voltage detection.
Effect of the present utility model
Gas meter data communication test manual operator button comprise enter key (ent), return key (back), on add key and under subtract four keys of key, enter to complete menu, return, switch up and down, the function of digital addition and subtraction.Manual operator Section 1 function " gas meter communication test function " is most important function, whether it can monitor simultaneously and in RS485 bus, exist acquisition module to send data to patrol survey instruction, and the response data information of every instrument in bus, judge that whether data acquisition and instrument communication be normal.Enter gas meter communication test, select website, 4# gas distribution station, website data to enter test interface according to menu, test interface shows the address of this station instrument, record every table data response times with counting form, completed the test to acquisition system function and gas meter communication performance simultaneously.
Brief description of the drawings
Fig. 1-structural representation of the present utility model
Fig. 2-circuit theory diagrams of the present utility model
1-housing 2-keyboard 3-LCDs in Fig. 1
Embodiment
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model comprises housing, single-chip microcomputer, Liquid Crystal Module, LCDs, keyboard, 485 translation interfaces, charger, lithium battery, power switch, stepup transformer and connection circuit, it is characterized in that: housing is made as rectangle, upper width is greater than lower width, upper front is provided with rectangle LCDs, in upper body, be provided with Liquid Crystal Module, in lower case, be provided with single-chip microcomputer and lithium battery power supply, in single-chip microcomputer, be provided with Natural gas data and accept handling procedure, be provided with keyboard in lower house upper front, keyboard is provided with enter key, return key, on add key and under subtract four keys of key, be provided with RS485 interface in all sides of lower house, charging inlet and power switch.
Connect that circuit is that single-chip microcomputer is connected with Liquid Crystal Module respectively, keyboard, RS485 interface, 5V stepup transformer and 24V stepup transformer be connected, lithium battery is connected with charging inlet and power switch respectively, power switch is connected with 5V stepup transformer and 24V stepup transformer, and Liquid Crystal Module and LCDs are connected.Function of the present utility model need to be realized by one-chip computer, RS485 interface need to design corresponding converter, by the operation of keyboard and LCD MODULE complete process, provide if desired power supply to need 24V output conversion circuit, lithium battery power supply needs to design charging circuit.
Work out corresponding single-chip data received processing program according to the external communications protocol of gas meter (such as modbus).Be provided with charging inlet, power switch, RS485 p-wire interface in all sides of lower housing portion.P-wire arranges RS485+(A), RS485-(B), 24V+ and 24V-totally four lines, connect with aviation plug.
Gas meter data communication test manual operator button comprise enter key (ent), return key (back), on add key and under subtract four keys of key, enter to complete menu, return, switch up and down, the function of digital addition and subtraction.Manual operator Section 1 function " gas meter communication test function " is most important function, whether it can monitor simultaneously and in RS485 bus, exist acquisition module to send data to patrol survey instruction, and the response data information of every instrument in bus, judge that whether data acquisition and instrument communication be normal.Enter gas meter communication test, select website, 4# gas distribution station, website data to enter test interface according to menu, test interface shows the address of this station instrument, record every table data response times with counting form, completed the test to acquisition system function and gas meter communication performance simultaneously.
Claims (2)
1. a gas meter data communication test manual operator, comprise housing, single-chip microcomputer, Liquid Crystal Module, LCDs, keyboard, 485 translation interfaces, charger, lithium battery, power switch, stepup transformer and connection circuit, it is characterized in that: housing is made as rectangle, upper width is greater than lower width, upper front is provided with rectangle LCDs, in upper body, be provided with Liquid Crystal Module, in lower case, be provided with single-chip microcomputer and lithium battery power supply, in single-chip microcomputer, be provided with Natural gas data and accept handling procedure, be provided with keyboard in lower house upper front, keyboard is provided with enter key, return key, on add key and under subtract four keys of key, be provided with RS485 interface in all sides of lower house, charging inlet and power switch.
2. gas meter data communication test manual operator according to claim 1, it is characterized in that: connecting circuit is that single-chip microcomputer is connected with Liquid Crystal Module, keyboard, RS485 interface, 5V stepup transformer and 24V stepup transformer respectively, lithium battery is connected with charging inlet and power switch respectively, power switch is connected with 5V stepup transformer and 24V stepup transformer, and Liquid Crystal Module and LCDs are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186428.5U CN204007803U (en) | 2014-04-16 | 2014-04-16 | gas meter data communication test manual operator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186428.5U CN204007803U (en) | 2014-04-16 | 2014-04-16 | gas meter data communication test manual operator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204007803U true CN204007803U (en) | 2014-12-10 |
Family
ID=52047785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186428.5U Expired - Fee Related CN204007803U (en) | 2014-04-16 | 2014-04-16 | gas meter data communication test manual operator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204007803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728987A (en) * | 2019-01-07 | 2019-05-07 | 上海自动化仪表有限公司 | Modbus hand suitable for steam turbine special equipment grasps device |
-
2014
- 2014-04-16 CN CN201420186428.5U patent/CN204007803U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728987A (en) * | 2019-01-07 | 2019-05-07 | 上海自动化仪表有限公司 | Modbus hand suitable for steam turbine special equipment grasps 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 |
Granted publication date: 20141210 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |