CN103743510A - Novel electronic type torque meter - Google Patents
Novel electronic type torque meter Download PDFInfo
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- CN103743510A CN103743510A CN201410032073.9A CN201410032073A CN103743510A CN 103743510 A CN103743510 A CN 103743510A CN 201410032073 A CN201410032073 A CN 201410032073A CN 103743510 A CN103743510 A CN 103743510A
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Abstract
The invention provides a novel electronic type torque meter, comprising a first measuring part, a second measuring part, a third measuring part and a control display part, wherein the first measuring part, the second measuring part and the third measuring part are connected with the control display part through optical fibers respectively, the first measuring part is an electrical parameter measuring part, the second measuring part is a temperature measuring part, and the third measuring part is a rotating speed measuring part. After the novel electronic type torque meter which specially comprises the first measuring part, the second measuring part, the third measuring part and the control display part is applied, the whole structure is concise, and the floor space is small; measurement data of the three measuring parts are all displayed through the control display part, so that reading, filing and controlling are facilitated.
Description
Technical field
The present invention relates to torque-measuring apparatus field, especially, relate to a kind of new-style electronic torque gauge.
Background technology
Torque gauge is to the monitoring to torsional moment perception on various rotations or non-rotating mechanical part, present torque gauge is on the market mechanical torque gauge mostly, if application number is that 200810111128.X discloses a kind of Novel torquemeter, this torque gauge is comprised of base, tooth bar, main drive gear, simulating signal generating mechanism, cam, auxiliary driving gear, travel switch, main fixed head, secondary fixed head, pointer, panel, shell, central shaft etc.This kind of torque gauge overcome traditional torque gauge can only output switch amount, and can not export the shortcoming of analog quantity, but complicated integral structure, cost is high.
Traditional mechanical type torque gauge is to adopt direct mode to measure shaft power, to measure the moment of torsion of motor as example, 2 tested motors need to be coupled together by torque gauge, then the moment of torsion on measuring coupling axle and rotating speed calculate the output power of motor.Such torque gauge can face following problem conventionally: (1) torque gauge needs special connection frock, and motor difference or torque gauge difference, all may cause again making connection frock; (2) Rig up error can strengthen torque measurement error and even damage torque gauge; (3) moment of torsion of torque gauge and tachometric survey scope are narrower, for torque and the larger measurement situation of rotation speed change scope, a torque gauge is difficult to realize the measurement under all situations, and outrange is measured and can be damaged torque gauge, and the following measurement of half range can cause measuring inaccurate.Some blower fan, water Pump and Electromotor are taked to be fixedly connected with, and because the rotating shaft of motor and blower fan, water pump can not be separate, therefore mechanical type torque gauge cannot be installed.
In sum, existing mechanical type torque gauge is all to have requirement for measuring object and service condition, and this has brought great inconvenience to user.Therefore, inventing the torque gauge that a kind of structure is simplified, precision is high and easy to use has great importance.
Summary of the invention
The new-style electronic torque gauge that the object of the invention is to provide structure to simplify, precision is high and easy to use, concrete technical scheme is as follows:
A kind of new-style electronic torque gauge, comprises the first measurement component, the second measurement component, the 3rd measurement component and controls display unit;
Described the first measurement component, the second measurement component and the 3rd measurement component are all connected with described control display unit by optical fiber;
Described the first measurement component is electric parameter metering parts, and the second measurement component is temperature measurement unit, and the 3rd measurement component is tachometric survey parts.
Preferred in above technical scheme, described electric parameter metering parts comprise SP series variable-frequency power sensor, and described SP series variable-frequency power sensor is arranged on the power input line road of Devices to test.
Preferred in above technical scheme, the accuracy of measurement grade of described SP series variable-frequency power sensor is 0.5 grade, 0.2 grade or 0.1 grade, the scope of measuring electric current be 2A to 7000A, the scope of measuring voltage is that 3V is to 15000V.
Preferred in above technical scheme, described temperature measurement unit comprises temperature sensor and temperature-measuring module, and described temperature-measuring module is arranged on the inside of Devices to test, and is connected with described control display unit by temperature sensor.
Preferred in above technical scheme, described temperature-measuring module is DM4032PT100 temperature-measuring module, and preferred, its accuracy of measurement is ± 1 ℃, and measurement range is-50～400 ℃.
Preferred in above technical scheme, described tachometric survey parts comprise leakage field inductosyn and inductor tachometer, and described leakage field inductosyn is connected with described control display unit by described inductor tachometer.
Preferred in above technical scheme, described inductor tachometer is DM4022 inductor tachometer.
Preferred in above technical scheme, the accuracy of measurement of described inductor tachometer is 0.1%.
The present invention has following beneficial effect:
(1) new-style electronic torque gauge of the present invention comprises the first measurement component, the second measurement component, the 3rd measurement component and controls display unit, one-piece construction is simplified, and occupation of land space is little, easy for installation, without a large amount of torque gauge frocks, greatly improve testing crew work efficiency; The measurement data of three measurement components all shows by controlling display unit, is convenient to reading, file and control; The first measurement component is electric parameter metering parts, the second measurement component is temperature measurement unit, the 3rd measurement component is tachometric survey parts, the Motor torque measurement that is suitable for various different models (comprises for the motor speed measurement that parts expose without spin applicable equally, as electric oil-immersed pump motor, pump motor etc.), applied widely.
(2) in the present invention, electric parameter metering parts comprise SP series variable-frequency power sensor, the accuracy of measurement grade of SP series variable-frequency power sensor is 0.5 grade, 0.2 grade or 0.1 grade, the scope of measuring electric current is that 2A is to 7000A, the scope of measuring voltage be 3V to 15000V, applied widely and measuring accuracy is high.
(3) in the present invention, temperature measurement unit comprises temperature sensor and temperature-measuring module, and temperature-measuring module is DM4032PT100 temperature-measuring module, and in the energy Measurement accuracy pump housing, the winding temperature of motor, practical.
(4) medium speed measurement component of the present invention comprises leakage field inductosyn and inductor tachometer, and inductor tachometer is DM4022 inductor tachometer, and accuracy of measurement is 0.1%, and accuracy is high.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of the new-style electronic torque gauge of the preferred embodiment of the present invention 1.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can limit and cover according to claim is implemented.
Embodiment 1:
A kind of novel electron torque gauge of the moment of torsion of measuring motor, refer to Fig. 1, comprise the first measurement component 1, the second measurement component 2, the 3rd measurement component 3 and control display unit 4, wherein said the first measurement component 1 is electric parameter metering parts, the second measurement component 2 is temperature measurement unit, and the 3rd measurement component 3 is tachometric survey parts; Described electric parameter metering parts, temperature measurement unit and tachometric survey parts are all connected with described control display unit 4 by optical fiber, one-piece construction is simplified, and takes up room little, easy for installation, without a large amount of torque gauge frocks, greatly improve testing crew work efficiency.
Described electric parameter metering parts comprise SP series variable-frequency power sensor, described SP series variable-frequency power sensor is arranged on the power input line road for the treatment of motor, its accuracy of measurement grade is 0.5 grade, 0.2 grade or 0.1 grade, the scope of measuring electric current is that 2A is to 7000A, the scope of measuring voltage be 3V to 15000V, applied widely and measuring accuracy is high.
Described temperature measurement unit comprises temperature sensor and temperature-measuring module, and described temperature-measuring module is arranged on the inside for the treatment of motor, and is connected with described control display unit 4 by temperature sensor; Described temperature-measuring module is DM4032PT100 temperature-measuring module, and its accuracy of measurement is ± 1 ℃, and measurement range is-50～400 ℃, the winding temperature of motor in the energy Measurement accuracy pump housing, and measurement range is wide, and practical.
Described tachometric survey parts comprise leakage field inductosyn and inductor tachometer, and described leakage field inductosyn is connected with described control display unit 4 by described inductor tachometer; Described inductor tachometer is DM4022 inductor tachometer, and its accuracy of measurement is 0.1%, and accuracy is high.
The concrete measuring method of novel electron torque gauge of the present invention is: the electrical quantity of measuring motor 5 by SP series variable-frequency power sensor, specifically comprise the parameter such as voltage, frequency, harmonic wave of three-phase power input, iron loss and the current parameters of stator copper loss etc., the data of measurement are delivered to by optical fiber and control in display unit 4; DM4032PT100 temperature-measuring module is measured the winding temperature of motor 5, for compensating the correlation parameters such as the rotor copper loss that causes due to temperature variation, finally by connected temperature sensor, by optical fiber, is delivered to and controls in display unit 4; Leakage field inductosyn is by rotor and the stator leakage field electromotive force of induction motor 5, and then draw stator frequency and slip frequency, again related data transmission to DM4022 inductor tachometer is calculated to its rotating speed, the rotating speed calculating is handed to and is controlled in display unit 4 by optical fiber transmission; Control display unit 4 and carry out loss calculating according to the correlation parameter of above-mentioned electrical quantity, temperature and rotating speed, in conjunction with the electrodymamometer of input, calculate shaft power, then according to velocity gauge, calculate the moment of torsion of motor 5.Wherein leakage field inductosyn only need be put or be fixed near motor, without installation, is specially adapted to the tachometric survey that parts expose without spin.
Torque arithmetic principle in said process is to analyze from the angle of energy conservation, the loss of energy producing in input electric energy=motor output mechanical energy (the shaft power)+electric energy of motor and mechanical energy transition process, wherein the loss in electric energy and mechanical energy transition process comprises: iron loss, mechanical consumption, stator copper loss, rotor copper loss and spuious consumption.From describing in GB " GBT1032-2012 threephase asynchronous test method ", machinery consumption and the iron loss of motor can be drawn by no-load test, and stator copper loss, rotor copper loss and spuious consumption can be drawn by load test.Adopt novel electron torque gauge of the present invention first to record power input to a machine, then by zero load and load test, just can obtain by the difference of power input to machine and the loss of motor gross energy the shaft power of motor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a new-style electronic torque gauge, is characterized in that: comprise the first measurement component (1), the second measurement component (2), the 3rd measurement component (3) and control display unit (4);
Described the first measurement component (1), the second measurement component (2) and the 3rd measurement component (3) are all connected with described control display unit (4) by optical fiber;
Described the first measurement component (1) is electric parameter metering parts, and the second measurement component (2) is temperature measurement unit, and the 3rd measurement component (3) is tachometric survey parts.
2. new-style electronic torque gauge according to claim 1, is characterized in that: described electric parameter metering parts comprise SP series variable-frequency power sensor, and described SP series variable-frequency power sensor is arranged on the power input line road of Devices to test.
3. new-style electronic torque gauge according to claim 2, it is characterized in that: the accuracy of measurement grade of described SP series variable-frequency power sensor is 0.5 grade, 0.2 grade or 0.1 grade, measure the scope of electric current and be 2A to 7000A, the scope of measuring voltage is that 3V is to 15000V.
4. new-style electronic torque gauge according to claim 1, it is characterized in that: described temperature measurement unit comprises temperature sensor and temperature-measuring module, described temperature-measuring module is arranged on the inside of Devices to test, and is connected with described control display unit (4) by temperature sensor.
5. new-style electronic torque gauge according to claim 4, is characterized in that: described temperature-measuring module is DM4032PT100 temperature-measuring module.
6. new-style electronic torque gauge according to claim 5, is characterized in that: the accuracy of measurement of described DM4032PT100 temperature-measuring module is ± 1 ℃, measurement range is-50～400 ℃.
7. new-style electronic torque gauge according to claim 1, it is characterized in that: described tachometric survey parts comprise leakage field inductosyn and inductor tachometer, described leakage field inductosyn is connected with described control display unit (4) by described inductor tachometer.
8. new-style electronic torque gauge according to claim 7, is characterized in that: described inductor tachometer is DM4022 inductor tachometer.
9. new-style electronic torque gauge according to claim 8, is characterized in that: the accuracy of measurement of described inductor tachometer is 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032073.9A CN103743510A (en) | 2014-01-23 | 2014-01-23 | Novel electronic type torque meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032073.9A CN103743510A (en) | 2014-01-23 | 2014-01-23 | Novel electronic type torque meter |
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| CN103743510A true CN103743510A (en) | 2014-04-23 |
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| CN201410032073.9A Pending CN103743510A (en) | 2014-01-23 | 2014-01-23 | Novel electronic type torque meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532958A (en) * | 2015-04-27 | 2018-01-02 | 赛峰直升机发动机公司 | Deformation measurement torquemeter |
Citations (5)
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|---|---|---|---|---|
| JPS6082826A (en) * | 1983-10-13 | 1985-05-11 | Shinko Electric Co Ltd | Electric operation type ac dynamometer |
| WO1991007644A1 (en) * | 1989-11-16 | 1991-05-30 | Elin Energieanwendung Gesellschaft M.B.H. | Method for measuring mechanical torque |
| JPH06194240A (en) * | 1992-12-25 | 1994-07-15 | Mitsubishi Electric Corp | Torque electric operation system ac electric dynamometer |
| CN102937674A (en) * | 2011-08-16 | 2013-02-20 | 大庆恒通电子有限公司 | Device and method for analyzing work efficiency and balance degree of pumping unit |
| CN203672528U (en) * | 2014-01-23 | 2014-06-25 | 湖南银河电气有限公司 | Novel electronic torque meter |
-
2014
- 2014-01-23 CN CN201410032073.9A patent/CN103743510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082826A (en) * | 1983-10-13 | 1985-05-11 | Shinko Electric Co Ltd | Electric operation type ac dynamometer |
| WO1991007644A1 (en) * | 1989-11-16 | 1991-05-30 | Elin Energieanwendung Gesellschaft M.B.H. | Method for measuring mechanical torque |
| JPH06194240A (en) * | 1992-12-25 | 1994-07-15 | Mitsubishi Electric Corp | Torque electric operation system ac electric dynamometer |
| CN102937674A (en) * | 2011-08-16 | 2013-02-20 | 大庆恒通电子有限公司 | Device and method for analyzing work efficiency and balance degree of pumping unit |
| CN203672528U (en) * | 2014-01-23 | 2014-06-25 | 湖南银河电气有限公司 | Novel electronic torque meter |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局 等: "《中华人民共和国国家标准》", 29 June 2012 * |
| 量值溯源: "一种采用漏磁感应原理测量水泵机组转速的新方法", 《网络资源》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532958A (en) * | 2015-04-27 | 2018-01-02 | 赛峰直升机发动机公司 | Deformation measurement torquemeter |
| US10557767B2 (en) | 2015-04-27 | 2020-02-11 | Safran Helicopter Engines | Deformation—measuring torque meter |
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Application publication date: 20140423 |
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