CN203380707U - Ultrasonic vibration detecting device - Google Patents
Ultrasonic vibration detecting device Download PDFInfo
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- CN203380707U CN203380707U CN201320365361.7U CN201320365361U CN203380707U CN 203380707 U CN203380707 U CN 203380707U CN 201320365361 U CN201320365361 U CN 201320365361U CN 203380707 U CN203380707 U CN 203380707U
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- ultrasonic
- ultrasonic vibration
- linear hall
- hall element
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Abstract
The utility model discloses an ultrasonic vibration detecting device comprising a gradient magnetic field system and two linear Hall elements. The linear Hall elements are connected to a same oscilloscope. By the arrangement of the linear Hall elements, displacement signals are converted into electrical signals for testing, and a working state of an ultrasonic vibration system can be studied during ultrasonic composite processing, so that a basis is provided for the purpose that the ultrasonic vibration system is in the best working state during the process of ultrasonic processing or replacing of ultrasonic processing tools, and the problem that working performance of the ultrasonic tools cannot be detected in real time in the prior art is solved.
Description
Technical field
The utility model belongs to the ULTRASONIC COMPLEX processing technique field, relates to a kind of ultrasonic vibration checkout gear.
Background technology
Various hard brittle materials and hard crisp composite are difficult to be processed by conventional method, and the ULTRASONIC COMPLEX process technology is having significant effect aspect these materials of processing.Ultrasonic machining starts from nineteen twenty-seven, in decades, the Ultrasonic machining technology development rapidly, the ULTRASONIC COMPLEX process technology has obtained studying widely and applying, especially in the difficult-to-machine material field, solve many critical technological problemses, as glass, pottery, quartz and silicon etc., all obtained good processing effect.But, due to the high hardness of hard brittle material, in process, diamond cutter is easy to wear, so make detachable by ultrasonic transformer and tool design.Instrument is the load of ultrasonic transformer, and its physical dimension, quality size and the quality be connected with ultrasonic transformer, all have a significant impact ultrasonic vibration resonant frequency and ultrasonic wave processing characteristics.Adopt detachable, although can rapid tool change, loosening tool may appear, cause the problems such as energy loss.Therefore, detect ultrasonic vibration in process and become quite important.So, want to prove that by this patent the dismounting of cutter and wearing and tearing meeting impact the ultrasonic vibration resonant frequency, and, by readjusting the resonant frequency of ultrasonic wave acoustical generator, allow ultrasonic vibration system in optimum Working.Thus, just can detect the duty of ultrasonic vibration system in the ULTRASONIC COMPLEX process, for ULTRASONIC COMPLEX processing provides device for detecting performance.
The utility model content
The purpose of this utility model is to provide a kind of ultrasonic vibration checkout gear, can't detect in real time the problem of ultrasonic tool service behaviour to solve prior art.
The technical scheme that the utility model adopts is, a kind of ultrasonic vibration checkout gear, comprise gradient magnetic system and two linear hall elements, and each linear hall element all is connected to same oscillograph 5.
Characteristics of the present utility model also are,
The gradient magnetic system comprises gradient waveform generator, and gradient waveform generator is connected with coil by gradient amplifier, and described coil is fixedly installed on mount pad.
Linear hall element is positioned at coil inside.
Two linear hall elements are connected with oscillograph by differential amplifier circuit.
The beneficial effects of the utility model are, setting by linear hall element, displacement signal is transformed into to the signal of telecommunication to be measured, can study the duty of the ultrasonic vibration system in the ULTRASONIC COMPLEX process, after realizing making in the Ultrasonic machining process or changing cutter, make ultrasonic vibration system provide foundation in optimum Working; In addition, this novel research that can be applied to a set of ultrasonic vibration system resonant frequency.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of ultrasonic vibration checkout gear of the utility model;
Fig. 2 is the use schematic diagram of a kind of ultrasonic vibration checkout gear of the utility model;
Fig. 3 is the Hall element linear work district schematic diagram of a kind of ultrasonic vibration checkout gear of the utility model.
In figure, 1 mount pad, 2. linear hall element, 3. Ultrasonic machining instrument, 4. coil, 5. oscillograph.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
The utility model provides a kind of ultrasonic vibration checkout gear, and as shown in Figure 1, a kind of ultrasonic vibration checkout gear, comprise gradient magnetic system and two linear hall elements 2, and each linear hall element 2 all is connected to same oscillograph 5.Wherein, the gradient magnetic system comprises gradient waveform generator, and gradient waveform generator is connected with coil 4 by gradient amplifier, and coil 4 is fixedly installed on mount pad 1; Linear hall element 2 is positioned at coil 4 inside; Each linear hall element 2 is connected with oscillograph 5 by differential amplifier circuit.
Gradient waveform generator produces gradient waveform, after gradient amplifier amplifies, passes into coil 4, produces the required gradient magnetic of experiment.Coil 4 is independent of Ultrasonic machining instrument 3 and ultrasonic system, linear hall element 2 is attached on ultrasonic processing tool 3 to the direction that the direction of vibration of ultrasonic processing tool 3 changes perpendicular to gradient magnetic magnetic induction intensity.
During use, as shown in Figure 2, supersonic generator produces high frequency voltage, through transducer, high-frequency voltage signal is converted to high-frequency mechanical vibration, again through ultrasonic transformer by the mechanical oscillation Amplitude amplification, put on Ultrasonic machining instrument 3, machining tool 3 is placed in coil 4, be symmetrical arranged a pair of linear hall element 2 on Ultrasonic machining instrument 3.Change the vibration frequency of Ultrasonic machining instrument 3 in Fig. 2 by adjusting the supersonic generator frequency, ultrasonic processing tool 3 drives a pair of linear hall element 2 fixed thereon and does ultrasonic vibration, the voltage that linear hall element 2 produces is through differential amplifier circuit, can guarantee that Hall element is operated in linear zone, oscillograph 5 will be input to again after voltage amplification, in oscillograph 5, the frequency of voltage and amplitude have just reflected frequency and the amplitude of Ultrasonic machining instrument 3, thus, we can adjust ultrasonic vibration system makes it in optimum Working, also can study the impact of the variation of Ultrasonic machining instrument 3 on the ultrasonic vibration system duty.
As shown in Figure 3, at operating current, be 9V, operating temperature is in 25 ° of C situations, there is a linear work district in linear hall element 2, in this zone, variation along with magnetic field intensity, Hall voltage is both sexes to be changed, be that Ultrasonic machining instrument 3 is when driving Hall elements 2 doing ultrasonic vibration in coil 4, the Hall voltage of Hall element output, the frequency of this Hall voltage and amplitude have reflected vibration frequency and the amplitude of Ultrasonic machining instrument 3 indirectly, Hall voltage after differential amplifier circuit amplifies is sent into oscillograph 5, thereby when adjusting ultrasonic frequency, amplitude variation by voltage in oscillograph 5 is the working condition of known ultrasonic vibration system.
A kind of ultrasonic vibration checkout gear of the present utility model, utilize gradient magnetic, as the magnetic field gradient G of directions X
x=Δ B/ Δ x, the changes of magnetic field that Δ B/ Δ x is unit length, magnetic field intensity, and is expressed as along with distance x linear change at gradient direction: B
(x)=B
0+ G
xx.So, when Hall element vibrates in gradient magnetic, be conducive to improve the precision detected; Utilize the linear zone of Hall element work, the Hall voltage of output is conducive to the service behaviour of reflected ultrasonic wave machining tool accurately; Utilize differential amplifier circuit, be conducive to suppress the interference in testing process, and improve the accuracy detected.
The utility model is by the setting of linear hall element 2, displacement signal is transformed into to the signal of telecommunication to be measured, in experimentation or while changing Ultrasonic machining instrument 3, detect the performance of ultrasonic vibration system, to obtain in the ultrasonic vibration compound processing course, make the purpose of ultrasonic vibration system under best operating condition; Can study the duty of the ultrasonic vibration system in the ULTRASONIC COMPLEX process, for realizing making in the Ultrasonic machining process or, after changing Ultrasonic machining instrument 3, making ultrasonic vibration system provide foundation in optimum Working; This novel research that can be applied to a set of ultrasonic vibration system resonant frequency simultaneously, solved the problem that prior art can't detect the supersonic generator performance in real time.
Claims (4)
1. a ultrasonic vibration checkout gear, is characterized in that, comprises gradient magnetic system and two linear hall elements (2), and each linear hall element (2) all is connected to same oscillograph (5).
2. a kind of ultrasonic vibration checkout gear as claimed in claim 1, it is characterized in that, described gradient magnetic system comprises gradient waveform generator, and gradient waveform generator is connected with coil (4) by gradient amplifier, and described coil (4) is fixedly installed on mount pad (1).
3. a kind of ultrasonic vibration checkout gear as claimed in claim 2, is characterized in that, described linear hall element (2) is positioned at coil (4) inside.
4. a kind of ultrasonic vibration checkout gear as claimed any one in claims 1 to 3, is characterized in that, described two linear hall elements (2) are connected with oscillograph (5) by differential amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320365361.7U CN203380707U (en) | 2013-06-24 | 2013-06-24 | Ultrasonic vibration detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320365361.7U CN203380707U (en) | 2013-06-24 | 2013-06-24 | Ultrasonic vibration detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203380707U true CN203380707U (en) | 2014-01-08 |
Family
ID=49869233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320365361.7U Expired - Fee Related CN203380707U (en) | 2013-06-24 | 2013-06-24 | Ultrasonic vibration detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203380707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888637A (en) * | 2022-05-18 | 2022-08-12 | 北京航空航天大学 | Device and method for measuring amplitude of ultrasonic cutter under load condition |
| WO2023005559A1 (en) * | 2021-07-28 | 2023-02-02 | 青岛海尔电冰箱有限公司 | Refrigerator, and fault monitoring method for ultrasonic-assisted processing apparatus thereof |
-
2013
- 2013-06-24 CN CN201320365361.7U patent/CN203380707U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005559A1 (en) * | 2021-07-28 | 2023-02-02 | 青岛海尔电冰箱有限公司 | Refrigerator, and fault monitoring method for ultrasonic-assisted processing apparatus thereof |
| CN114888637A (en) * | 2022-05-18 | 2022-08-12 | 北京航空航天大学 | Device and method for measuring amplitude of ultrasonic cutter under load condition |
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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 |
Granted publication date: 20140108 Termination date: 20160624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |