CN103983400A - All-powerful detecting device and method for stress-strain instrument - Google Patents
All-powerful detecting device and method for stress-strain instrument Download PDFInfo
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- CN103983400A CN103983400A CN201410203495.8A CN201410203495A CN103983400A CN 103983400 A CN103983400 A CN 103983400A CN 201410203495 A CN201410203495 A CN 201410203495A CN 103983400 A CN103983400 A CN 103983400A
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Abstract
The invention discloses an all-powerful detecting device for a stress-strain instrument. The all-powerful detecting device comprises a connector, a button, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor. One end of the button is connected with one end of the fifth resistor, the other end of the button is connected with one end of the first resistor and one end of the second resistor, the other end of the fifth resistor is connected with the other end of the first resistor and one end of the fourth resistor, the two ends of the third resistor are connected with the other end of the second resistor and the other end of the fourth resistor respectively, the connector is provided with four wiring joints, the two ends of the first resistor are connected with two wiring joints of the connector respectively, and the two ends of the third resistor are connected with the other two wiring joints of the connector respectively. The invention further provides a detecting method for the stress-strain instrument. According to the device and method, the requirement for detection of stress-strain instruments of different specifications can be met.
Description
Technical field
The present invention relates to a kind of omnipotent pick-up unit and method, be specifically related to the omnipotent pick-up unit of a kind of ess-strain instrument and method.
Background technology
In power station equipment stress-strain measurement, must use at present the ess-strain instrument of all size, the stress strain gauge of various different sizes, different ranges, the ess-strain situation that sometimes also need to paste foil gauge on equipment and come measuring equipment.
Because testing of equipment field condition is severe, have in high-altitude, have at the outdoor rain erosion that suffers, in measurement, use wire longer, 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 be subject to the interference of field condition and frequently break down, and many factors is reflected in instrument and shows and transfinite, and cannot measure.For general staff encounter this situation can have no way of doing it or adjust disorderly instrument cause instrument damage, and cannot judge that problem has appearred in instrument for the moment, or stress strain gauge goes wrong, or web member goes wrong etc., and whether on-the-spot condition does not allow to dismantle all parts inspection inside yet and breaks down.
Also there is no at present a kind of convenient, effective ess-strain instrument failure detector.In order to find out as early as possible at the scene fault, to increase work efficiency, research and development simplicity of design, the convenient feasible omnipotent pick-up unit of ess-strain instrument are measure field technical matterss anxious to be resolved.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, the omnipotent pick-up unit of a kind of ess-strain instrument and method are provided, this device and method can meet the detection of different size ess-strain instrument.
For achieving the above object, the omnipotent pick-up unit of ess-strain instrument of the present invention comprises joint, button, the first resistance, the second resistance, the 3rd resistance, the 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 the first resistance and one end of the second resistance, the other end of the 5th resistance is connected with the other end of the first resistance and one end of 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 two wiring nodes 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 the resistance value of described the first resistance and 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 the omnipotent pick-up unit of described ess-strain instrument is linked in the corresponding interface of ess-strain instrument;
2) counter stress strain gauges returns to zero, and in the time that ess-strain instrument can not return to zero in Preset Time, illustrates that ess-strain instrument internal wiring has fault; In the time that ess-strain instrument can return to zero in Preset Time, press shift knob, be incorporated to the 5th resistance, observe the numerical value showing in ess-strain instrument, when the numerical value showing in ess-strain instrument consistent with predetermined numerical value, illustrate that ess-strain instrument can normally be used, different from predetermined numerical value when the numerical value showing in ess-strain instrument, illustrate that the sensitivity coefficient of ess-strain instrument and bridge pressure direction go wrong;
3) in the time having multiple ess-strain instrument or multiple passage in test macro, repeating step 1) and step 2) respectively different ess-strain instrument or passage are detected, judge whether each ess-strain instrument or passage break down;
In the time that whether test web member has fault, first web member is connected in the normal ess-strain instrument of test, and then web member is connected with joint, repeating step 2), the numerical value that whether can return to zero in Preset Time and show according to ess-strain instrument judges with whether predetermined numerical value is consistent whether web member has fault;
In the time that whether test stress strain end device has fault, to test normal ess-strain instrument and web member is connected with ess-strain end device, when the normal ess-strain instrument of test cannot return to zero or show that while being zero, described ess-strain end device exists fault always.
The present invention has following beneficial effect:
The omnipotent pick-up unit of ess-strain instrument of the present invention and method are in the time of work, 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 to judge by observing it whether ess-strain instrument internal wiring has fault, in the time of ess-strain instrument non-fault, press the button, judge by whether the numerical value that shows in observation ess-strain instrument and predetermined numerical value is consistent whether stress-strain gage can normally work, repeat the test that above-mentioned steps can complete multiple instrument or multiple passages one by one, thereby it is malfunctioning in test to have 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 can be applicable to different size model ess-strain instrument.
Brief description of the drawings
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, the omnipotent pick-up unit of ess-strain instrument of the present invention comprises joint 1, button K, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4 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 the first resistance R 1 and one end of the second resistance R 2, the 5th resistance R
bthe other end be connected with the other end of the first resistance R 1 and one end of the 4th resistance R 4, the two ends of the 3rd resistance R 3 are connected with the other end of the second resistance R 2 and the other end of the 4th resistance R 4 respectively, joint 1 is provided with four wiring nodes, the two ends of the first resistance R 1 are connected with two wiring nodes on joint 1 respectively, the two ends of the 3rd resistance R 3 are connected with two other wiring node on joint 1 respectively, and the product of the resistance value of the resistance value of the first resistance R 1 and the 3rd resistance R 3 equals the product of the resistance value of the second resistance R 2 and the resistance value of the 4th resistance R 4.
The omnipotent detection method of ess-strain instrument of the present invention comprises the following steps:
1) joint 1 of the omnipotent pick-up unit of described ess-strain instrument is linked in the corresponding interface of ess-strain instrument;
2) counter stress strain gauges returns to zero, and in the time that ess-strain instrument can not return to zero in Preset Time, illustrates that ess-strain instrument internal wiring has fault; In the time that ess-strain instrument can return to zero in Preset Time, press shift knob K, be incorporated to the 5th resistance R
bobserve the numerical value showing in ess-strain instrument, when the numerical value showing in ess-strain instrument consistent with predetermined numerical value, illustrate that ess-strain instrument can normally be used, different from predetermined numerical value when the numerical value showing in ess-strain instrument, illustrate that the sensitivity coefficient of ess-strain instrument and bridge pressure direction go wrong;
3) in the time having multiple ess-strain instrument or multiple passage in test macro, repeating step 1) and step 2) respectively different ess-strain instrument or passage are detected, judge whether each ess-strain instrument or passage break down;
In the time that whether test web member has fault, first web member is connected in the normal ess-strain instrument of test, and then web member is connected with joint 1, repeating step 2), the numerical value that whether can return to zero in Preset Time and show according to ess-strain instrument judges with whether predetermined numerical value is consistent whether web member has fault;
In the time that whether test stress strain end device has fault, to test normal ess-strain instrument and web member is connected with ess-strain end device, when the normal ess-strain instrument of test cannot return to zero or show that while being zero, described ess-strain end device exists fault always.
The present invention is applicable to the fault diagnosis of the ess-strain instrument of different size, in the time that ess-strain instrument connector 1 is different, joint 1 is replaced with to the joint corresponding with ess-strain instrument 1.
On-the-spot service condition shows, use this omnipotent pick-up unit can be convenient, simply, efficiently and safely counter stress strain gauges, stress strain gauge and web member whether break down in inside makes judgement fast and accurately.
Claims (3)
1. the omnipotent pick-up unit of ess-strain instrument, it is characterized in that, comprise 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 the first resistance (R1) and one end of 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.
2. the omnipotent pick-up unit of ess-strain instrument according to claim 1, it is characterized in that, the product of the resistance value of the resistance value of described the first resistance (R1) and 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).
3. the omnipotent detection method of ess-strain instrument, based on device claimed in claim 1, comprises the following steps:
1) joint of the omnipotent pick-up unit of described ess-strain instrument (1) is linked in the corresponding interface of ess-strain instrument;
2) counter stress strain gauges returns to zero, and in the time that ess-strain instrument can not return to zero in Preset Time, illustrates that ess-strain instrument internal wiring has fault; In the time that ess-strain instrument can return to zero in Preset Time, press shift knob (K), be incorporated to the 5th resistance (R
b), observe the numerical value showing in ess-strain instrument, when the numerical value showing in ess-strain instrument consistent with predetermined numerical value, illustrate that ess-strain instrument can normally be used, different from predetermined numerical value when the numerical value showing in ess-strain instrument, illustrate that the sensitivity coefficient of ess-strain instrument and bridge pressure direction go wrong;
3) in the time having multiple ess-strain instrument or multiple passage in test macro, repeating step 1) and step 2) respectively different ess-strain instrument or passage are detected, judge whether each ess-strain instrument or passage break down;
In the time that whether test web member has fault, first web member is connected in the normal ess-strain instrument of test, and then web member is connected with joint (1), repeating step 2), the numerical value that whether can return to zero in Preset Time and show according to ess-strain instrument judges with whether predetermined numerical value is consistent whether web member has fault;
In the time that whether test stress strain end device has fault, to test normal ess-strain instrument and web member is connected with ess-strain end device, when the normal ess-strain instrument of test cannot return to zero or show that while being zero, described ess-strain end device exists fault always.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103983400A true CN103983400A (en) | 2014-08-13 |
| CN103983400B CN103983400B (en) | 2016-03-02 |
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| CN201410203495.8A Expired - Fee Related CN103983400B (en) | 2014-05-14 | 2014-05-14 | A kind of ess-strain instrument Universal detection device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706204A (en) * | 2017-02-20 | 2017-05-24 | 华能国际电力股份有限公司 | Pressure sensor cooling device suitable for high temperature environment test |
| CN107806959A (en) * | 2017-10-19 | 2018-03-16 | 厦门天马微电子有限公司 | A kind of display panel and its method of testing and display device |
| CN110057494A (en) * | 2019-05-05 | 2019-07-26 | 大连理工大学 | A kind of sensor Speediness link line and fault finding system towards electrical measuring 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 |
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2014
- 2014-05-14 CN CN201410203495.8A patent/CN103983400B/en not_active Expired - Fee Related
Patent Citations (6)
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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 |
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| 晏红等: "一种用于长期应变测试的自动测量装置", 《实用测试技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706204A (en) * | 2017-02-20 | 2017-05-24 | 华能国际电力股份有限公司 | Pressure sensor cooling device suitable for high temperature environment test |
| 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 |
| CN107806959A (en) * | 2017-10-19 | 2018-03-16 | 厦门天马微电子有限公司 | A kind of display panel and its method of testing and display device |
| CN110057494A (en) * | 2019-05-05 | 2019-07-26 | 大连理工大学 | A kind of sensor Speediness link line and fault finding system towards electrical measuring method |
| 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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|---|---|
| CN103983400B (en) | 2016-03-02 |
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Granted publication date: 20160302 Termination date: 20180514 |