CN203672528U - Novel electronic torque meter - Google Patents
Novel electronic torque meter Download PDFInfo
- Publication number
- CN203672528U CN203672528U CN201420043331.9U CN201420043331U CN203672528U CN 203672528 U CN203672528 U CN 203672528U CN 201420043331 U CN201420043331 U CN 201420043331U CN 203672528 U CN203672528 U CN 203672528U
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- China
- Prior art keywords
- measurement
- temperature
- torque gauge
- electronic torque
- new
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- Expired - Fee Related
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- 238000005259 measurement Methods 0.000 claims abstract description 57
- 239000013307 optical fiber Substances 0.000 claims abstract description 7
- 238000009529 body temperature measurement Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
Provided in the utility model is a novel electronic torque meter comprising a first measuring component, a second measuring component, a third measuring component and a control display component. The first measuring component, the second measuring component, and the third measuring component are connected with the control display component by optical fibers; and the first measuring component is an electric parameter measuring component, a second measuring component is a temperature measuring component, and the third measuring component is a rotating speed measuring component. With the novel electronic torque meter including the first measuring component, the second measuring component, the third measuring component and the control display component, the integrated structure is simplified; and the occupied space is small. Measurement data of the three measuring components are displayed by the control display component, so that reading, filing, and controlling can be carried out conveniently.
Description
Technical field
The utility model relates to torque-measuring apparatus field, especially, relates 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 made up 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 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.
Utility model content
The new-style electronic torque gauge that the utility model object 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 utlity model has following beneficial effect:
(1) new-style electronic torque gauge of the present utility model 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 that is suitable for various different models is measured, convenient, practical (applicable equally for the motor speed measurement that parts expose without spin, as electric oil-immersed pump motor, pump motor etc.).
(2) in the utility model, 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 utility model, 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) the utility model medium speed measurement component 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 utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of the new-style electronic torque gauge of the utility model preferred embodiment 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model 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 utility model is: the electrical quantity of measuring motor 5 by SP series variable-frequency power sensor, the parameter such as voltage, frequency, harmonic wave and the current parameters of stator copper loss etc. that specifically comprise three-phase power input, iron loss, be delivered to the data of measurement and control in display unit 4 by optical fiber; 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, is finally delivered to by optical fiber by connected temperature sensor 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, calculate shaft power in conjunction with the electrodymamometer of input, then calculate the moment of torsion of motor 5 according to velocity gauge.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 utility model 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 preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
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 |
|---|---|---|---|
| CN201420043331.9U CN203672528U (en) | 2014-01-23 | 2014-01-23 | Novel electronic torque meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043331.9U CN203672528U (en) | 2014-01-23 | 2014-01-23 | Novel electronic torque meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672528U true CN203672528U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043331.9U Expired - Fee Related CN203672528U (en) | 2014-01-23 | 2014-01-23 | Novel electronic torque meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743510A (en) * | 2014-01-23 | 2014-04-23 | 湖南银河电气有限公司 | Novel electronic type torque meter |
-
2014
- 2014-01-23 CN CN201420043331.9U patent/CN203672528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743510A (en) * | 2014-01-23 | 2014-04-23 | 湖南银河电气有限公司 | Novel electronic type torque meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 |