CN201293696Y - Tension measurement instrument for electromagnetical cord - Google Patents
Tension measurement instrument for electromagnetical cord Download PDFInfo
- Publication number
- CN201293696Y CN201293696Y CNU2008201530170U CN200820153017U CN201293696Y CN 201293696 Y CN201293696 Y CN 201293696Y CN U2008201530170 U CNU2008201530170 U CN U2008201530170U CN 200820153017 U CN200820153017 U CN 200820153017U CN 201293696 Y CN201293696 Y CN 201293696Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- measuring instrument
- electromagnetism
- cpu
- measurer
- 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
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
An electromagnetic cable tension measurer can measure the tension force of steel cable via electromagnetic induction, which comprises a sensor and a measurer body, wherein the sensor is connected with the measurer body via a sensor interface; the sensor senses the stress force on the steel cable and transmits the force to the measurer body to be converted by a signal processing circuit in the measurer body into digital quantities to be processed by an CPU and displayed. The electromagnetic cable tension measurer adopts the sensor to sense stress force, processes and displays the force via the measurer body, thereby improving measurement accuracy, with simple operation.
Description
Technical field
The utility model belongs to instrument field, relates to the measuring instrument of measuring reinforcing bar, cable wire stress.
Background technology
Existing stress test to reinforcing bar, cable wire generally all adopts the direct dynamometry of tautness meter, yet is difficult to the accuracy and the precision that reach higher during the tautness meter test.The utility model has adopted sensor in measuring instrument, carry out stress test by the method for electromagnetic induction, can improve accuracy and precision, and has filled up domestic technological gap in this field.
The utility model content
The purpose of this utility model is to provide a kind of electromagnetism rope tensile measurer, can reach higher accuracy and precision during test, and has the function of non-contact measurement reinforcing bar or cable wire class in-situ stresses.
For reaching above purpose, the solution that the utility model adopted is:
A kind of electromagnetism rope tensile measurer is measured cable tension by electromagnetic induction.
Further, electromagnetism rope tensile measurer comprises sensor and measuring instrument body, and sensor is connected with the measuring instrument body by sensor interface, and sends the amount of stress of sensing to measuring instrument body processes and displays.
This measuring instrument body comprises action button, signal processing circuit, CPU, display, PC, and action button is connected with CPU and setup parameter, input instruction; Signal processing circuit changes into digital quantity with amount of stress and sends into computing in the CPU; CPU is sent to the display demonstration with result of calculation and shows, prints by PC.
This signal processing circuit links to each other with sensor by sensor interface and receives the amount of stress of its sensing.
This CPU adopts the RS232 serial port of standard to link to each other with PC and communication as communication interface.
This sensor is the middle loop configuration that comprises endoporus, it comprises five layers, be followed successively by insulation tube, secondary coil, temperature sensor, primary coil, shell from the inside to the outside, primary coil is accepted its high-voltage pulse signal from measuring instrument, and secondary coil sensing cable wire internal stress is sent to the measuring instrument body.
The internal diameter of this insulation tube matches with reinforcing bar to be measured or rope diameter.
This measuring instrument adopts the 220V AC power, and internal control voltage is then used the 24V direct supply.
This measuring instrument also comprises control panel, and display, action button are integrated on the control panel, also is provided with power supply and HT pilot on the control panel.
Owing to adopted such scheme, the utlity model has following characteristics: the utility model electromagnetism rope tensile measurer is simple in structure, easy to operate, can measure the in-situ stresses of reinforcing bar and cable wire accurately.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of the utility model control panel.
Fig. 3 is the structural representation of the utility model sensor.
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the utility model is further described.
Electromagnetism rope tensile measurer of the present utility model is made up of instrument body, two parts of sensor.As shown in Figure 1, the measuring instrument body is made up of action button, RS232 communication interface, sensor interface, signal processing circuit, CPU, display, PC etc.Action button is positioned on the panel of instrument and links to each other with CPU, and in order to CPU input setup parameter and definite measurement process, it also has program key, selectively actuatable, calculating, demarcation or check historical record etc.Sensor interface circuitry mainly is to connect sensor and measuring instrument body, in order to accepting the electromagnetic stress signal, and the level that conversion of signals can be discerned to instrument and be sent to signal processing circuit.Signal processing circuit adopts the mode that high voltage, big electric current take place, and the feeble signal that receives is changed amplification, thereby reflects the variation of the inner actual stress of test member, by the A/D conversion, converts variable quantity to digital quantity signal and sends in the CPU.CPU adopts the RS232 serial port of standard as communication interface, can be connected with the standard cable of PC, and pass through the operation and the demonstration of the interface control instrument of WINDOWS, access, calculating or print measured stress parameters.CPU is the critical component of measuring instrument work,, measurement result is shown on display that the chip microprocessor that it adopts high-tech large scale integrated circuit has the ability that high-speed computation is handled in order to accept measuring-signal, computing, transmission.CPU makes original processing, stores and transfers to display to data to show; PC then carries out data storage, data processing, demonstration and printing, has strengthened data-handling capacity.The power supply that measuring instrument adopts is 220VAC, and the internal control power supply adopts 24VDC, makes handling safety reliable.
Figure 2 shows that the control panel of the utility model measuring instrument, a plurality of buttons are arranged on the panel, can import setup parameter and selection function, instruction, display and panel one can clearly illustrate input information and measurement result.It also is provided with power supply and HT pilot, can judge whether measuring instrument enters test mode by panel.
Sensor is a vitals of measuring stress, and it is outer around two kinds to be divided into produce in factory and on-the-spot member.The endoporus of sensor is divided into different size specifications according to the size of reinforcing bar or rope diameter.As shown in Figure 3, sensor outer housing 1 is made up of ferromagnetic object, and surperficial spraying plating is handled, as the protection body of sensor.Its shell 1 inboard then is a primary coil 2, and primary coil 2 mainly is a high-voltage pulse signal of accepting measuring instrument, and this signal becomes certain proportionate relationship with the size of stress.Primary coil 2 inside one decks are temperature sensors 3, are used for revising and compensating the influence of ambient temperature to magnetic conductor.Temperature sensor 3 the inside one decks then are provided with secondary coil 4, its induction and isolate the electric signal of primary coil 2, and sensing cable wire internal stress is sent to the measuring instrument body, so that carry out the shaping and the mathematics manipulation of signal waveform by measuring instrument.The innermost layer of sensor is an insulation tube 5, protection coil, and the interlinkage of being convenient to the magnetic line of force.The internal diameter of insulation tube 5 matches with the reinforcing bar or the cable wire that need to measure.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art should be within protection domain of the present utility model for improvement and modification that the utility model is made according to announcement of the present utility model.
Claims (8)
1, a kind of electromagnetism rope tensile measurer, it is characterized in that: it comprises sensor and measuring instrument body, sensor is connected with the measuring instrument body by sensor interface, and sends the amount of stress of sensing to measuring instrument body processes and displays.
2, electromagnetism rope tensile measurer as claimed in claim 1, it is characterized in that: this measuring instrument body comprises action button, signal processing circuit, CPU, display, PC, action button is connected with CPU and setup parameter, input instruction; Signal processing circuit changes into digital quantity with amount of stress and sends into computing in the CPU; CPU is sent to the display demonstration with result of calculation and shows, prints by PC.
3, electromagnetism rope tensile measurer as claimed in claim 2 is characterized in that: this signal processing circuit links to each other with sensor by sensor interface and receives the amount of stress of its sensing.
4, electromagnetism rope tensile measurer as claimed in claim 2 is characterized in that: this CPU adopts the RS232 serial port of standard to link to each other with PC and communication as communication interface.
5, electromagnetism rope tensile measurer as claimed in claim 1, it is characterized in that: this sensor is the middle loop configuration that comprises endoporus, it comprises five layers, be followed successively by insulation tube, secondary coil, temperature sensor, primary coil, shell from the inside to the outside, primary coil is accepted its high-voltage pulse signal from measuring instrument, and secondary coil sensing cable wire internal stress is sent to the measuring instrument body.
6, electromagnetism rope tensile measurer as claimed in claim 5, it is characterized in that: the internal diameter of this insulation tube matches with reinforcing bar to be measured or rope diameter.
7, electromagnetism rope tensile measurer as claimed in claim 1 is characterized in that: this measuring instrument adopts the 220V AC power, and internal control voltage is then used the 24V direct supply.
8, electromagnetism rope tensile measurer as claimed in claim 1, it is characterized in that: this measuring instrument also comprises control panel, display, action button are integrated on the control panel, also are provided with power supply and HT pilot on the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201530170U CN201293696Y (en) | 2008-09-12 | 2008-09-12 | Tension measurement instrument for electromagnetical cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201530170U CN201293696Y (en) | 2008-09-12 | 2008-09-12 | Tension measurement instrument for electromagnetical cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293696Y true CN201293696Y (en) | 2009-08-19 |
Family
ID=41007179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201530170U Expired - Lifetime CN201293696Y (en) | 2008-09-12 | 2008-09-12 | Tension measurement instrument for electromagnetical cord |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293696Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858807A (en) * | 2010-06-10 | 2010-10-13 | 尹武良 | Steel cable tension measuring device based on rectangular hollow-core sensor and method thereof |
| CN104807585A (en) * | 2015-05-13 | 2015-07-29 | 上海同磊土木工程技术有限公司 | High-precision cable force testing instrument of magnetic permeability cable and test method thereof |
| CN104880273A (en) * | 2015-06-10 | 2015-09-02 | 重庆交通大学 | Pre-stressing force measurement apparatus and method for pre-stress steel strand |
| CN109443622A (en) * | 2019-01-08 | 2019-03-08 | 北京奇力建通工程技术有限公司 | Suo Li detection method and device and cable tension sensor |
| CN110702286A (en) * | 2019-09-27 | 2020-01-17 | 丹阳市银海镍铬化工有限公司 | Make things convenient for intelligent cable wire of dismouting |
-
2008
- 2008-09-12 CN CNU2008201530170U patent/CN201293696Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858807A (en) * | 2010-06-10 | 2010-10-13 | 尹武良 | Steel cable tension measuring device based on rectangular hollow-core sensor and method thereof |
| CN101858807B (en) * | 2010-06-10 | 2012-02-01 | 尹武良 | Steel cable tension measuring device based on rectangular hollow-core sensor and method thereof |
| CN104807585A (en) * | 2015-05-13 | 2015-07-29 | 上海同磊土木工程技术有限公司 | High-precision cable force testing instrument of magnetic permeability cable and test method thereof |
| CN104880273A (en) * | 2015-06-10 | 2015-09-02 | 重庆交通大学 | Pre-stressing force measurement apparatus and method for pre-stress steel strand |
| CN104880273B (en) * | 2015-06-10 | 2018-01-05 | 重庆交通大学 | Prestress wire prestressing force measurement apparatus and method |
| CN109443622A (en) * | 2019-01-08 | 2019-03-08 | 北京奇力建通工程技术有限公司 | Suo Li detection method and device and cable tension sensor |
| CN110702286A (en) * | 2019-09-27 | 2020-01-17 | 丹阳市银海镍铬化工有限公司 | Make things convenient for intelligent cable wire of dismouting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201293696Y (en) | Tension measurement instrument for electromagnetical cord | |
| CN108168417B (en) | A kind of vertical shaft cable wire cage guide sliding sleeve abrasion amount detecting device and its detection method | |
| CN105021336B (en) | A kind of test platform to steel wire rope tension balance wireless monitor system calibration | |
| CN100578251C (en) | Comprehensive error realtime on-line monitoring method and monitor for high-voltage electric-energy meter | |
| CN104391169A (en) | Double-wire Hall current sensor | |
| CN104613884B (en) | Laser high magnetic steel cord line flaw detection system and method | |
| CN201429449Y (en) | Intelligent high precision liquid level gauge | |
| CN206638287U (en) | A kind of variable frequency excitation mode two-wire system electromagnetic flowmeter | |
| CN109573769A (en) | A kind of elevator wire rope tension variation detection method based on vibration frequency measurement | |
| CN203101474U (en) | Electrification detector for high-voltage electric system | |
| CN209618607U (en) | Balance coefficient of elevator detection device | |
| CN204313801U (en) | Laser high magnetic steel silk rope line flaw detection system | |
| CN209342156U (en) | A kind of monitoring system for radioactive environment | |
| CN205656241U (en) | Ground resistance on -line monitoring alarm and remote monitering system | |
| CN103130059B (en) | A kind of elevator balance coefficient measurer and detection method thereof | |
| CN202765633U (en) | Material level detection device and stirring equipment | |
| CN103809144B (en) | Transformation ratio tester verification system and detecting method thereof | |
| CN209640401U (en) | The excitation closed control circuit of fluxgate current sensor | |
| CN207540633U (en) | A kind of liquid level detection device | |
| CN207180758U (en) | The road staircase combination property detector of wireless type three | |
| KR20110026208A (en) | An integration automatic meter reading system integrating operation function | |
| CN202119853U (en) | Distributed control system card member calibrating device | |
| CN216717530U (en) | Liquid level measuring device | |
| CN206787728U (en) | Split type underground water temperature measurer | |
| CN205209593U (en) | Exchangeable formula liquid metal level gauge of wide range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090819 |