CN103983400B - A kind of ess-strain instrument Universal detection device and method - Google Patents
A kind of ess-strain instrument Universal detection device and method Download PDFInfo
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- CN103983400B CN103983400B CN201410203495.8A CN201410203495A CN103983400B CN 103983400 B CN103983400 B CN 103983400B CN 201410203495 A CN201410203495 A CN 201410203495A CN 103983400 B CN103983400 B CN 103983400B
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Abstract
The invention discloses a kind of ess-strain instrument Universal detection device, comprise joint, button, first resistance, second resistance, 3rd resistance, 4th resistance and the 5th resistance, one end of button is connected with one end of the 5th resistance, the other end of button is connected with one end of one end of the first resistance and the second resistance, the other end of the 5th resistance is connected with one end of the other end of the first resistance and the 4th resistance, the two ends of the 3rd resistance are connected with the other end of the second resistance and the other end of the 4th resistance respectively, joint is provided with four wiring nodes, the two ends of the first resistance are connected with the wiring node of two on joint respectively, the two ends of the 3rd resistance are connected with two other wiring node on joint respectively, present invention also offers the omnipotent detection method of a kind of ess-strain instrument.The present invention can meet the detection of different size ess-strain instrument.
Description
Technical field
The present invention relates to a kind of Universal detection device and method, be specifically related to a kind of ess-strain instrument Universal detection device and method.
Background technology
The ess-strain instrument of all size must be used in current power station equipment stress-strain measurement, the stress strain gauge of various different size, different range, sometimes also need on equipment, paste the ess-strain situation that foil gauge carrys out measuring equipment.
Because testing of equipment field condition is severe, have in high-altitude, what have suffers rain erosion in outdoor, use wire longer in measurement, connector quantity is more, and stress strain gauge or other ess-strain end devices are connected with miscellaneous equipment again, parts are easy to sustain damage in measuring process, instrument also can break down by the interference of field condition frequently, and many factors is reflected to display in instrument to transfinite, and cannot measure.This situation is encountered for general staff can have no way of doing it or adjust disorderly instrument and cause instrument to be damaged, and cannot judge that problem has appearred in instrument for the moment, or stress strain gauge goes wrong, or web member goes wrong, and whether the condition at scene does not allow dismounting all parts inspection inside to break down yet.
Also there is no a kind of convenient, effective ess-strain instrument failure detector at present.In order to find out fault as early as possible at the scene, increase work efficiency, simple, the convenient feasible ess-strain instrument Universal detection device of R & D design is measure field technical matters anxious to be resolved.
Summary of the invention
The object of the invention is to the shortcoming overcoming above-mentioned prior art, provide a kind of ess-strain instrument Universal detection device and method, this device and method can meet the detection of different size ess-strain instrument.
For achieving the above object, ess-strain instrument Universal detection device of the present invention comprises joint, button, first resistance, second resistance, 3rd resistance, 4th resistance and the 5th resistance, one end of button is connected with one end of the 5th resistance, the other end of button is connected with one end of one end of the first resistance and the second resistance, the other end of the 5th resistance is connected with one end of the other end of the first resistance and the 4th resistance, the two ends of the 3rd resistance are connected with the other end of the second resistance and the other end of the 4th resistance respectively, joint is provided with four wiring nodes, the two ends of the first resistance are connected with the wiring node of two on joint respectively, the two ends of the 3rd resistance are connected with two other wiring node on joint respectively.
The product of the resistance value of described first resistance and the resistance value of the 3rd resistance equals the product of the resistance value of the second resistance and the resistance value of the 4th resistance.
The omnipotent detection method of ess-strain instrument of the present invention comprises the following steps:
1) joint of described ess-strain instrument Universal detection device is linked in the corresponding interface of ess-strain instrument;
2) counter stress strain gauges returns to zero, and when ess-strain instrument can not return to zero in Preset Time, then illustrates that ess-strain instrument internal wiring has fault; When ess-strain instrument can return to zero in Preset Time, then press shift knob, be incorporated to the 5th resistance, observe the numerical value that ess-strain instrument shows, when the numerical value that ess-strain instrument shows is consistent with predetermined numerical value, illustrate that ess-strain instrument can normally use, when the numerical value that ess-strain instrument shows is different from predetermined numerical value, then illustrate that the sensitivity coefficient of ess-strain instrument and bridge pressure direction go wrong;
3) when having multiple ess-strain instrument or multiple passage in test macro, step 1 is repeated) and step 2) respectively different ess-strain instrument or passage are detected, judge whether each ess-strain instrument or passage break down;
When testing web member and whether having fault, first web member is connected in the normal ess-strain instrument of test, and then web member is connected with joint, repeat step 2), judge whether web member has fault according to the numerical value whether ess-strain instrument can return to zero and show in Preset Time with whether predetermined numerical value is consistent;
When whether test stress strain end device has fault, normal for test ess-strain instrument and web member are connected with ess-strain end device, when test normal ess-strain instrument cannot return to zero or show be zero always time, then there is fault in described ess-strain end device.
The present invention has following beneficial effect:
Ess-strain instrument Universal detection device of the present invention and method are operationally, first joint is connected with the corresponding interface in ess-strain instrument, then described ess-strain instrument is returned to zero, whether can return to zero rapidly judge whether ess-strain instrument internal wiring has fault by observing it, when ess-strain instrument non-fault, press the button, judge whether stress-strain gage can normally work by the numerical value that observation ess-strain instrument shows with whether predetermined numerical value is consistent, repeat the test that above-mentioned steps can complete multiple instrument or multiple passage one by one, thus it is malfunctioning in test to overcome ess-strain instrument, and cannot judge rapidly that problem has appearred in which instrument or passage, web member goes wrong, the shortcoming that ess-strain end device goes wrong, use this device convenient, simply, efficiently, safety, and different size model ess-strain instrument can be applicable to.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention.
Wherein, 1 is joint.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
With reference to figure 1, ess-strain instrument Universal detection device of the present invention comprises joint 1, button K, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and the 5th resistance R
b, one end of button K and the 5th resistance R
bone end be connected, the other end of button K is connected with one end of one end of the first resistance R1 and the second resistance R2, the 5th resistance R
bthe other end be connected with the other end of the first resistance R1 and one end of the 4th resistance R4, the two ends of the 3rd resistance R3 are connected with the other end of the second resistance R2 and the other end of the 4th resistance R4 respectively, joint 1 is provided with four wiring nodes, the two ends of the first resistance R1 are connected with the wiring node of two on joint 1 respectively, the two ends of the 3rd resistance R3 are connected with two other wiring node on joint 1 respectively, and the product of the resistance value of the first resistance R1 and the resistance value of the 3rd resistance R3 equals the product of the resistance value of the second resistance R2 and the resistance value of the 4th resistance R4.
The omnipotent detection method of ess-strain instrument of the present invention comprises the following steps:
1) joint 1 of described ess-strain instrument Universal detection device is linked in the corresponding interface of ess-strain instrument;
2) counter stress strain gauges returns to zero, and when ess-strain instrument can not return to zero in Preset Time, then illustrates that ess-strain instrument internal wiring has fault; When ess-strain instrument can return to zero in Preset Time, then press shift knob K, be incorporated to the 5th resistance R
bobserve the numerical value that ess-strain instrument shows, when the numerical value that ess-strain instrument shows is consistent with predetermined numerical value, illustrate that ess-strain instrument can normally use, when the numerical value that ess-strain instrument shows is different from predetermined numerical value, then illustrate that the sensitivity coefficient of ess-strain instrument and bridge pressure direction go wrong;
3) when having multiple ess-strain instrument or multiple passage in test macro, step 1 is repeated) and step 2) respectively different ess-strain instrument or passage are detected, judge whether each ess-strain instrument or passage break down;
When testing web member and whether having fault, first web member is connected in the normal ess-strain instrument of test, and then web member is connected with joint 1, repeat step 2), judge whether web member has fault according to the numerical value whether ess-strain instrument can return to zero and show in Preset Time with whether predetermined numerical value is consistent;
When whether test stress strain end device has fault, normal for test ess-strain instrument and web member are connected with ess-strain end device, when test normal ess-strain instrument cannot return to zero or show be zero always time, then there is fault in described ess-strain end device.
The present invention is applicable to the fault diagnosis of the ess-strain instrument of different size, when ess-strain instrument connector 1 is different, joint 1 is replaced with the joint 1 corresponding with ess-strain instrument.
Onsite application situation shows, use this Universal detection device can convenient, simply, efficiently and safely counter stress strain gauges, stress strain gauge and web member whether break down to make in inside judges fast and accurately.
Claims (1)
1. the omnipotent detection method of ess-strain instrument, it is characterized in that, based on ess-strain instrument Universal detection device, described ess-strain instrument Universal detection device comprises joint (1), button (K), the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4) and the 5th resistance (R
b), one end of button (K) and the 5th resistance (R
b) one end be connected, the other end of button (K) is connected with one end of one end of the first resistance (R1) and the second resistance (R2), the 5th resistance (R
b) the other end be connected with the other end of the first resistance (R1) and one end of the 4th resistance (R4), the two ends of the 3rd resistance (R3) are connected with the other end of the second resistance (R2) and the other end of the 4th resistance (R4) respectively, joint (1) is provided with four wiring nodes, the two ends of the first resistance (R1) are connected with two wiring nodes on joint (1) respectively, and the two ends of the 3rd resistance (R3) are connected with two other wiring node on joint (1) respectively;
The product of the resistance value of described first resistance (R1) and the resistance value of the 3rd resistance (R3) equals the product of the resistance value of the second resistance (R2) and the resistance value of the 4th resistance (R4);
Comprise the following steps:
1) joint (1) of described ess-strain instrument Universal detection device is linked in the corresponding interface of ess-strain instrument;
2) counter stress strain gauges returns to zero, and when ess-strain instrument can not return to zero in Preset Time, then illustrates that ess-strain instrument internal wiring has fault; When ess-strain instrument can return to zero in Preset Time, then press shift knob (K), be incorporated to the 5th resistance (R
b), observe the numerical value that ess-strain instrument shows, when the numerical value that ess-strain instrument shows is consistent with predetermined numerical value, illustrate that ess-strain instrument can normally use, when the numerical value that ess-strain instrument shows is different from predetermined numerical value, then illustrate that the sensitivity coefficient of ess-strain instrument and bridge pressure direction go wrong;
3) when having multiple ess-strain instrument or multiple passage in test macro, step 1 is repeated) and step 2) respectively different ess-strain instrument or passage are detected, judge whether each ess-strain instrument or passage break down;
When testing web member and whether having fault, first web member is connected in the normal ess-strain instrument of test, and then web member is connected with joint (1), repeat step 2), judge whether web member has fault according to the numerical value whether ess-strain instrument can return to zero and show in Preset Time with whether predetermined numerical value is consistent;
When whether test stress strain end device has fault, normal for test ess-strain instrument and web member are connected with ess-strain end device, when test normal ess-strain instrument cannot return to zero or show be zero always time, then there is fault in described ess-strain end device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410203495.8A CN103983400B (en) | 2014-05-14 | 2014-05-14 | A kind of ess-strain instrument Universal detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410203495.8A CN103983400B (en) | 2014-05-14 | 2014-05-14 | A kind of ess-strain instrument Universal detection device and method |
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| CN103983400A CN103983400A (en) | 2014-08-13 |
| CN103983400B true CN103983400B (en) | 2016-03-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106706204B (en) * | 2017-02-20 | 2022-06-21 | 华能国际电力股份有限公司 | Pressure sensor cooling device suitable for high temperature environment test |
| CN107806959B (en) * | 2017-10-19 | 2020-06-19 | 厦门天马微电子有限公司 | Display panel, test method thereof and display device |
| CN110057494B (en) * | 2019-05-05 | 2021-03-26 | 大连理工大学 | Sensor quick connection and fault recognition system for electrical measurement method |
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| SU735942A1 (en) * | 1977-11-21 | 1980-05-25 | Киевское Производственное Объединение "Веда" | Method and device for testing force-measuring transducers |
| EP0422890A2 (en) * | 1989-10-10 | 1991-04-17 | Flintab AB | Force measuring device with zero adjustment |
| CN202126332U (en) * | 2011-06-13 | 2012-01-25 | 上海电驱动有限公司 | Calibration device for torque wrench |
| CN202256086U (en) * | 2011-09-22 | 2012-05-30 | 铁道第三勘察设计院集团有限公司 | Standard probe for calibrating pressure test passage of geotechnical test instrument |
| CN102980693A (en) * | 2012-11-21 | 2013-03-20 | 东北大学 | Two-stage calibration conversion method using viscous-elastic piezoresistive material to monitor stress variation after high-speed loading |
| CN203881491U (en) * | 2014-05-14 | 2014-10-15 | 西安热工研究院有限公司 | Universal detection device for stress and strain instruments |
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2014
- 2014-05-14 CN CN201410203495.8A patent/CN103983400B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU735942A1 (en) * | 1977-11-21 | 1980-05-25 | Киевское Производственное Объединение "Веда" | Method and device for testing force-measuring transducers |
| EP0422890A2 (en) * | 1989-10-10 | 1991-04-17 | Flintab AB | Force measuring device with zero adjustment |
| CN202126332U (en) * | 2011-06-13 | 2012-01-25 | 上海电驱动有限公司 | Calibration device for torque wrench |
| CN202256086U (en) * | 2011-09-22 | 2012-05-30 | 铁道第三勘察设计院集团有限公司 | Standard probe for calibrating pressure test passage of geotechnical test instrument |
| CN102980693A (en) * | 2012-11-21 | 2013-03-20 | 东北大学 | Two-stage calibration conversion method using viscous-elastic piezoresistive material to monitor stress variation after high-speed loading |
| CN203881491U (en) * | 2014-05-14 | 2014-10-15 | 西安热工研究院有限公司 | Universal detection device for stress and strain instruments |
Non-Patent Citations (1)
| Title |
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| 一种用于长期应变测试的自动测量装置;晏红等;《实用测试技术》;20011130(第6期);第16-17页 * |
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