CN201935768U - Stretching tension test circuit for steel wire rope - Google Patents
Stretching tension test circuit for steel wire rope Download PDFInfo
- Publication number
- CN201935768U CN201935768U CN2011200212558U CN201120021255U CN201935768U CN 201935768 U CN201935768 U CN 201935768U CN 2011200212558 U CN2011200212558 U CN 2011200212558U CN 201120021255 U CN201120021255 U CN 201120021255U CN 201935768 U CN201935768 U CN 201935768U
- Authority
- CN
- China
- Prior art keywords
- signal amplifier
- data collector
- input end
- signal
- intelligent data
- 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 - Lifetime
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a stretching tension test circuit for a steel wire rope, which comprises a tension sensor, a first signal amplifier, a data collector, and a display device. The output end of the tension sensor is connected with the input end of the first signal amplifier; the test circuit is also provided with a second signal amplifier; the data collector is an intelligent data collector provided with two input ends; the output of the first signal amplifier is divided into two paths, wherein one is directly connected with one input end of the intelligent data collector; the other one is connected with another input end of the intelligent data collector through the second signal amplifier; and the output end of the intelligent data collector is connected with the input end of the display device. In the test circuit, two signal amplifiers and the signal collector with two input ends are adopted; during the stretching tension test of the steel wire rope, the precision requirements of high stretching tension measurement and low stretching tension measurement can be simultaneously guaranteed on the premise that the sensor is not replaced.
Description
Technical field
The utility model relates to a kind of tensile test circuit, especially relates to a kind of wire rope stretching tensile test circuit.
Background technology
Existing wire rope stretching tensile test circuit is to be connected and composed in turn by pulling force sensor, amplifier, collector and display.Its principle of work is: pulling force sensor output and the linear mV level signal of pulling force, amplifier zooms into the small-signal of pulling force sensor output the voltage signal (or the voltage of other standards or current signal) of 0-10V, collector is delivered to display and shows the tensile test data this signals collecting.But all there are certain error in any sensor and amplifier.Actual measured value is got over the full scale of proximity transducer, and relative error is just more little; Actual measured value is more little, and relative error is just big more.For example, the range of a pulling force sensor is 200 tons, and error is 1%, and then absolute error is:
1%=2 ton of 200 tons of *
If when with same sensor and amplifier 5 tons pulling force being measured, relative error is:
2 tons/5 tons=40%
Obviously, this error is too big.Best solution is exactly to change the sensor and the amplifier of 5 tons of ranges.But, in the lineoutofservice signal pull process of the test, emat sensor more.
The utility model content
The purpose of this utility model is to provide a kind of new wire rope stretching tensile test circuit, use this wire rope stretching tensile test circuit, in the lineoutofservice signal pull test, not more under the situation of emat sensor, both can satisfy the accuracy requirement of big tension measurement, the accuracy requirement in the time of can satisfying little tension measurement again.
The technical solution of the utility model is: it comprises pulling force sensor, first order signal amplifier, data acquisition unit, display, and the output terminal of described pulling force sensor is connected with the input end of first order signal amplifier; Also be provided with second level signal amplifier, described data acquisition unit is the intelligent data collector that is provided with two input ends, and first order signal amplifier output is divided into two-way, and wherein one the tunnel directly links to each other with an input end of intelligent data collector; Another road is connected with another input end of intelligent data collector by second level signal amplifier, and the output terminal of intelligent data collector is connected with the input end of display.
The utility model is actually on existing tensile test circuit base, and a signal amplifier is set again, promptly sets up second level signal amplifier, and the original signal amplifier is a first order signal amplifier.First order signal amplifier is identical with signal amplifier in the existing tensile test circuit, at pulling force output 0-10V during from 0-full scale (as 200 tons); The output terminal of the input termination first order signal amplifier of second level signal amplifier, second level signal amplifier amplifies the output of first order signal amplifier again, make pulling force from 0-during the little pulling force (as 5 tons) set, second level signal amplifier is output as 0-10V.Data acquisition unit is used the intelligent data collector of 2 tunnel inputs instead, and 2 tunnel inputs of intelligent data collector insert the output of first order signal amplifier and second level signal amplifier respectively.Described 2 the tunnel import intelligent collector, gather two paths of signals simultaneously, and to discern automatically according to the value of the 1 road or the 2 road signal be big pulling force or little pulling force at this moment.When big pulling force, adopt the output signal of first order amplifier to convert displayed value to; When little pulling force, adopt the output signal of second level amplifier to convert displayed value to.
The utility model adopts 2 signal amplifiers and 2 tunnel input intelligent type signal collectors, in the lineoutofservice signal pull test, not more under the situation of emat sensor, can guarantee the accuracy requirement of big tension measurement and little tension measurement simultaneously.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model embodiment.
Embodiment
With reference to Fig. 1, present embodiment comprises pulling force sensor 1, first order signal amplifier 2, second level signal amplifier 3, intelligent data collector 4, display 5, and the output terminal of described pulling force sensor 1 is connected with the input end of first order signal amplifier 2; Described first order signal amplifier 2 outputs are divided into two-way, wherein one the tunnel directly links to each other with an input end of intelligent data collector 4, another road is connected with another input end of intelligent data collector 4 by second level signal amplifier 3, and the output terminal of intelligent data collector 4 is connected with the input end of display 5.
The utility model first order signal amplifier 2 is identical with signal amplifier function in the existing stretching tensile test circuit, for example, and during work, at pulling force output 0-10V signal (or other standard signal) during from 0-full scale (as 200 tons); The output terminal of the input termination first order amplifier 2 of second level signal amplifier 3, second level amplifier amplifies the output of first order amplifier again, make pulling force from 0-during the little pulling force (for example 5 tons) set, the signal of second level amplifier output also is 0-10V; Intelligent data collector 4 adopts the intelligent data collector of 2 tunnel inputs, and 2 tunnel inputs of intelligent data collector 4 insert the output of first order amplifier 2 and the output of second level amplifier 3 respectively.Described 2 the tunnel import intelligent collector, gather two paths of signals simultaneously, and to discern automatically according to the value of the 1 road or the 2 road signal be big pulling force or little pulling force at this moment.When the value of thrust that records is big, adopt the output signal of first order amplifier 2 to convert displayed value to; When the value of thrust that records is less than or equal to the smaller value of setting, adopt the output signal of second level amplifier 3 to convert displayed value to.
The utility model adopts 2 signal amplifiers and 2 tunnel input intelligent data collectors, in the lineoutofservice signal pull test, not more under the situation of emat sensor, can guarantee the accuracy requirement of big tension measurement and little tension measurement simultaneously.
Claims (1)
1. a wire rope stretching tensile test circuit comprises pulling force sensor, first order signal amplifier, data acquisition unit, display, and the output terminal of described pulling force sensor is connected with the input end of first order signal amplifier; It is characterized in that, also be provided with second level signal amplifier, described data acquisition unit is the intelligent data collector that is provided with two input ends, and first order signal amplifier output is divided into two-way, and wherein one the tunnel directly links to each other with an input end of intelligent data collector; Another road is connected with another input end of intelligent data collector by second level signal amplifier, and the output terminal of intelligent data collector is connected with the input end of display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200212558U CN201935768U (en) | 2011-01-24 | 2011-01-24 | Stretching tension test circuit for steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200212558U CN201935768U (en) | 2011-01-24 | 2011-01-24 | Stretching tension test circuit for steel wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935768U true CN201935768U (en) | 2011-08-17 |
Family
ID=44447286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200212558U Expired - Lifetime CN201935768U (en) | 2011-01-24 | 2011-01-24 | Stretching tension test circuit for steel wire rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201935768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116694A (en) * | 2011-01-24 | 2011-07-06 | 罗光寿 | Circuit for testing tensile force of steel wire rope |
| CN102928228A (en) * | 2012-11-06 | 2013-02-13 | 昆山北极光电子科技有限公司 | Status detection circuit of bearing |
-
2011
- 2011-01-24 CN CN2011200212558U patent/CN201935768U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116694A (en) * | 2011-01-24 | 2011-07-06 | 罗光寿 | Circuit for testing tensile force of steel wire rope |
| CN102116694B (en) * | 2011-01-24 | 2012-02-08 | 罗光寿 | Circuit for testing tensile force of steel wire rope |
| CN102928228A (en) * | 2012-11-06 | 2013-02-13 | 昆山北极光电子科技有限公司 | Status detection circuit of bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202511939U (en) | Signal conditioning circuit of 0-5V output pressure sensor | |
| CN205176136U (en) | Resistance test device | |
| CN202133717U (en) | Metering sampling circuit based on manganese-copper diverter | |
| CN201935768U (en) | Stretching tension test circuit for steel wire rope | |
| CN202083729U (en) | Automatic range switching device | |
| CN202329850U (en) | Temperature rise detecting system of switch apparatus | |
| CN102116694B (en) | Circuit for testing tensile force of steel wire rope | |
| CN203785751U (en) | Weighing circuit and electronic scale possessing same | |
| CN105629072A (en) | System for measuring multiplex resistance | |
| CN203930003U (en) | A kind of simulating signal excitation system for chip detection | |
| CN204028204U (en) | A kind of Rogowski coil current sensor with high-power output interface | |
| CN201788237U (en) | Handheld electric wave recording analyzer | |
| CN204043993U (en) | A kind of input control system of tension tester | |
| CN203837808U (en) | Differential-strain-sheet-based type pole tower vibration monitoring device | |
| CN211505742U (en) | Pressure sensor amplification module tester | |
| CN204346584U (en) | Light change-over switch input wide region optical power detection apparatus | |
| CN201359632Y (en) | Adaptive range tester for performance test of solar cell | |
| CN203720024U (en) | Tension experiment device of high-speed train brake beam | |
| CN202976617U (en) | An acoustic velocity measuring experimental device based on a single chip microcomputer | |
| CN204903620U (en) | Range automatic switching circuit based on AT89C51 | |
| CN207798249U (en) | A kind of resistance strain weighing transducer detection device | |
| CN202957809U (en) | Signal conditioning circuit improving AD (Analog to Digital) resolution | |
| CN112269340A (en) | Multi-signal type high-precision acquisition card | |
| CN201421375Y (en) | Novel intelligent temperature transducer | |
| CN204536261U (en) | Long-range soil electrolyte detection probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110817 Effective date of abandoning: 20120208 |