CN103528756A - Fully-automatic pressure transmitter checker - Google Patents
Fully-automatic pressure transmitter checker Download PDFInfo
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- CN103528756A CN103528756A CN201310444719.XA CN201310444719A CN103528756A CN 103528756 A CN103528756 A CN 103528756A CN 201310444719 A CN201310444719 A CN 201310444719A CN 103528756 A CN103528756 A CN 103528756A
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- pressure
- checker
- automatic
- piston pump
- control system
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- Measuring Fluid Pressure (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a fully-automatic pressure transmitter checker and belongs to the field of automatic meter checking instruments. The fully-automatic pressure transmitter checker is characterized by comprising a checker shell, a control system and an oil path system, wherein the control system and the oil path system are arranged in the checker shell; the control system comprises a singlechip computer, a motor driver, a stepping motor, a pressure module unit, an analog-to-digital (A/D) converter and a pressure switching device; the oil path system comprises a piston pump, a first non-return valve, a second non-return valve, a pressure output port, a fine adjustment valve, a return checking valve and an oil tank. The fully-automatic pressure transmitter checker has the characteristics that the control system automatically selects a corresponding pressure module in the pressure module unit according to the measuring range of a checked pressure transmitter, automatically sets an identification point, controls the piston pump to automatically pressurize in forward and reverse strokes and automatically prints a checking report; the whole process does not need to be manually operated, and the pressure transmitter can be checked in a fully-automatic manner.
Description
Technical field
The present invention relates to a kind of full-automatic pressure trans calibrator, belong to instrument and meter for automation tester field.
Background technology
Existing pressure unit tester is owing to identifying that point needs artificial setting, and can only singlely set, can only wait until that previous set point verification could set next checkpoint after complete, then have, when the pressure unit of the different ranges of verification, need to change the normal pressure module of corresponding range, thereby can not realize real full-automatic verification, and fragile instrument, not only operation inconvenience, workload is large, and precision is not high yet.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of full-automatic pressure trans calibrator that can automatically set checkpoint, automatically positive revesal verification, automatic analysis checking data.
For achieving the above object, the present invention realizes by following technical scheme:
Full-automatic pressure trans calibrator, it is characterized in that, comprise tester housing, be arranged on control system and oil piping system in tester housing, described control system comprises single-chip microcomputer, motor driving, stepper motor, modular pressure unit, A/D converter and pressure switching device, single-chip microcomputer is electrically connected to motor driving, pressure switching device and A/D converter, motor drives and is electrically connected to stepper motor, after pressure switching device and modular pressure unit serial connection, be electrically connected to A/D converter, by correction power transmitter, be electrically connected to A/D converter;
Further, described oil piping system comprises piston pump, the first reverse checkvalve, the second reverse checkvalve, Output pressure joint, micrometering valve, returns inspection valve and fuel tank, oil passage connection structure is, piston pump and the first reverse checkvalve serial connection, the first reverse checkvalve is connected with Output pressure joint, micrometering valve, time inspection valve, pressure switching device respectively, return inspection valve and be connected with fuel tank, piston pump is connected with the second reverse checkvalve, and the second reverse checkvalve is connected with fuel tank;
Further, described modular pressure unit, comprises the modular pressure of 8 different ranges;
In addition, stepper motor 3 and piston pump 4 are electrically connected to, and by correction power transmitter, are connected with Output pressure joint oil circuit.
The invention has the beneficial effects as follows, can be according to automatically being set checkpoint by the measurement range of correction power transmitter, automatically positive revesal is made pressure, and automatic printing verification report is omnidistance without manual operation, really realizes the full-automatic verification of pressure unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of full-automatic pressure trans calibrator of the present invention.
In accompanying drawing, mark implication is as follows:
1, single-chip microcomputer 2, motor drive 3, stepper motor 4, piston pump 5, modular pressure unit 6, A/D converter 7, pressure switching device 8, the first reverse checkvalve 9, the second reverse checkvalve 10, Output pressure joint 11, micrometering valve 12, return inspection valve 13, fuel tank 14, tester housing 15, by correction power transmitter.
Embodiment
Below in conjunction with diagram and specific embodiment, the present invention is described in further detail.
With reference to Fig. 1, full-automatic pressure trans calibrator of the present invention, comprise tester housing 14, be arranged on control system and oil piping system in tester housing 14, described control system comprises single-chip microcomputer 1, motor drives 2, stepper motor 3, modular pressure unit 5, A/D converter 6 and pressure switching device 7, single-chip microcomputer 1 drives 2 with motor, pressure switching device 7 and A/D converter 6 are electrically connected to, motor drives 2 to be electrically connected to stepper motor 3, after pressure switching device 7 and modular pressure unit 5 serial connections, be electrically connected to A/D converter 6, by correction power transmitter 15, be electrically connected to A/D converter 6, described modular pressure unit 5, the modular pressure that comprises 8 different ranges, described oil piping system comprises piston pump 4, the first reverse checkvalve 8, the second reverse checkvalve 9, Output pressure joint 10, micrometering valve 11, returns inspection valve 12 and fuel tank 13, oil passage connection structure is, piston pump 4 and the first reverse checkvalve 8 serial connections, the first reverse checkvalve 8 is connected with Output pressure joint 10, micrometering valve 11, time inspection valve 12, pressure switching device 7 respectively, returning inspection valve 12 is connected with fuel tank 13, piston pump 4 is connected with the second reverse checkvalve 9, and the second reverse checkvalve 9 is connected with fuel tank 13, stepper motor 3 and piston pump 4 are electrically connected to, and by correction power transmitter 15, are connected with Output pressure joint 10 oil circuits.
The course of work of the present invention is as follows, will be by after correction power transmitter 15 cut-in pressure out splice going splices 10, single-chip microcomputer 1 is automatically switched to oil circuit by pressure switching device 7 modular pressure of the correspondingly range in modular pressure unit 5 according to input by the measurement range of correction power transmitter, single-chip microcomputer 1 is automatically set and is identified point simultaneously, by motor, drive 2 startup stepper motors 3 to drive piston pumps 4 to make pressure to oil circuit, fuel injection pressure signal is delivered to by correction power transmitter 15 and modular pressure unit 5 simultaneously, then by A/D converter 6, deliver to single-chip microcomputer 1, when oil pressure reaches evaluation point, making pressure stops automatically, stablizing single-chip microcomputer 1 after 6 seconds measures by the numerical value of correction power transmitter 15 error of calculation, after the complete all evaluation points of verification, automatic printing verification report of the present invention.
Micrometering valve 11 and return the pressure of inspection valve 12 for manually time and regulate.
By reference to the accompanying drawings invention is carried out to exemplary description above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the non-substantial improvement that has adopted method design of the present invention and technical scheme to carry out; or without improving, method design of the present invention and technical scheme are applied directly to other occasions, all within protection scope of the present invention.
Claims (3)
1. a full-automatic pressure trans calibrator, it is characterized in that, comprise tester housing (14), be arranged on control system and oil piping system in tester housing (14), described control system comprises single-chip microcomputer (1), motor drives (2), stepper motor (3), modular pressure unit (5), A/D converter (6) and pressure switching device (7), single-chip microcomputer (1) drives (2) with motor, pressure switching device (7) and A/D converter (6) are electrically connected to, motor drives (2) to be electrically connected to stepper motor (3), after pressure switching device (7) and modular pressure unit (5) serial connection, be electrically connected to A/D converter (6), by correction power transmitter (15), be electrically connected to A/D converter (6), described modular pressure unit (5), the modular pressure that comprises several different ranges,
Described oil piping system comprises piston pump (4), the first reverse checkvalve (8), the second reverse checkvalve (9), Output pressure joint (10), micrometering valve (11), return inspection valve (12) and fuel tank (13), oil passage connection structure is, piston pump (4) and the first reverse checkvalve (8) serial connection, the first reverse checkvalve (8) respectively with Output pressure joint (10), micrometering valve (11), return inspection valve (12), pressure switching device (7) connects, returning inspection valve (12) is connected with fuel tank (13), piston pump (4) is connected with the second reverse checkvalve (9), the second reverse checkvalve (9) is connected with fuel tank (13).
2. full-automatic pressure trans calibrator according to claim 1, is characterized in that: described modular pressure unit (5), comprises the modular pressure of 8 different ranges.
3. full-automatic pressure trans calibrator according to claim 1, is characterized in that: described stepper motor (3) and piston pump (4) are electrically connected to, and by correction power transmitter (15), are connected with Output pressure joint (10) oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444719.XA CN103528756A (en) | 2013-09-27 | 2013-09-27 | Fully-automatic pressure transmitter checker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444719.XA CN103528756A (en) | 2013-09-27 | 2013-09-27 | Fully-automatic pressure transmitter checker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103528756A true CN103528756A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310444719.XA Pending CN103528756A (en) | 2013-09-27 | 2013-09-27 | Fully-automatic pressure transmitter checker |
Country Status (1)
| Country | Link |
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| CN (1) | CN103528756A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198029A (en) * | 2018-11-16 | 2020-05-26 | 中冶宝钢技术服务有限公司 | Off-line calibration tool and calibration method for radar level indicator |
| CN112729676A (en) * | 2020-12-30 | 2021-04-30 | 深圳市弗赛特科技股份有限公司 | Pressure transmitter calibration stand |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064643A (en) * | 2006-09-08 | 2008-03-21 | Toshiba Corp | Pressure transmitter inspecting system for plant |
| CN201193968Y (en) * | 2008-04-23 | 2009-02-11 | 周宗福 | Mining pressure sensor calibrating apparatus |
| CN102252805A (en) * | 2011-05-26 | 2011-11-23 | 北京康斯特仪表科技股份有限公司 | Multi-range field full-automatic pressure and electric signal calibrating instrument |
| CN202614466U (en) * | 2012-06-19 | 2012-12-19 | 杭州石林自动化工程有限公司 | Pressure verification platform with built-in pressure module |
| CN103234697A (en) * | 2013-04-24 | 2013-08-07 | 南京化工职业技术学院 | Medium-pressure pressure instrument calibrator |
-
2013
- 2013-09-27 CN CN201310444719.XA patent/CN103528756A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064643A (en) * | 2006-09-08 | 2008-03-21 | Toshiba Corp | Pressure transmitter inspecting system for plant |
| CN201193968Y (en) * | 2008-04-23 | 2009-02-11 | 周宗福 | Mining pressure sensor calibrating apparatus |
| CN102252805A (en) * | 2011-05-26 | 2011-11-23 | 北京康斯特仪表科技股份有限公司 | Multi-range field full-automatic pressure and electric signal calibrating instrument |
| CN202614466U (en) * | 2012-06-19 | 2012-12-19 | 杭州石林自动化工程有限公司 | Pressure verification platform with built-in pressure module |
| CN103234697A (en) * | 2013-04-24 | 2013-08-07 | 南京化工职业技术学院 | Medium-pressure pressure instrument calibrator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198029A (en) * | 2018-11-16 | 2020-05-26 | 中冶宝钢技术服务有限公司 | Off-line calibration tool and calibration method for radar level indicator |
| CN111198029B (en) * | 2018-11-16 | 2021-08-03 | 中冶宝钢技术服务有限公司 | Off-line calibration method for radar level gauge |
| CN112729676A (en) * | 2020-12-30 | 2021-04-30 | 深圳市弗赛特科技股份有限公司 | Pressure transmitter calibration stand |
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Application publication date: 20140122 |