CN109877029A - A kind of ultra-magnetic telescopic ultrasonic transduction device - Google Patents
A kind of ultra-magnetic telescopic ultrasonic transduction device Download PDFInfo
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- CN109877029A CN109877029A CN201910153641.3A CN201910153641A CN109877029A CN 109877029 A CN109877029 A CN 109877029A CN 201910153641 A CN201910153641 A CN 201910153641A CN 109877029 A CN109877029 A CN 109877029A
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- magnetic field
- field strength
- giant magnetostrictive
- magnetostrictive rod
- insulation resin
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- 230000026683 transduction Effects 0.000 title claims abstract description 11
- 238000010361 transduction Methods 0.000 title claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 11
- 230000002463 transducing effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 4
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to ultrasonic wave processing fields, more particularly to a kind of ultra-magnetic telescopic ultrasonic transduction device, it includes shell, inner casing and pedestal, and it is located at the giant magnetostrictive rod within inner casing, giant magnetostrictive rod is made of in the presence of the super mangneto slice at interval each other multiple, thus equally distributed multiple channels are formed in the inside of giant magnetostrictive rod, circulation has fluid insulation resin in channel.The present invention can alleviate the eddy current effect on the giant magnetostrictive rod under high frequency magnetic field excitation, keep giant magnetostrictive rod the operation is stable.
Description
Technical field
The invention belongs to ultrasonic wave processing field, in particular to a kind of ultra-magnetic telescopic ultrasonic transduction device.
Background technique
Due to the change of magnetized state, length and volume can be varied widely, that is, have great magnetostriction system
Several magnetostriction materials are referred to as giant magnetostrictive material, and (Giant Magnetostrictive Material is referred to as
GMM), due to being mostly that rare earth is constructed, also known as rare earth ultra-magnetostriction material.The exciting device made of the material, such as Zhejiang
A kind of exciting device (referring to CN1836796) of university, the ultra-magnetic telescopic of Tsinghua University indulge-torsion complex vibration ultrasonic transducer
(referring to CN103203312A) etc. all has the advantages that conversion ratio is high, energy density is big, fast response time.
Summary of the invention
The present invention provides a kind of ultra-magnetic telescopic ultrasonic transduction device, the super magnetic under high frequency magnetic field excitation can be alleviated
Cause fever caused by the current vortex and current vortex on extension stem.
It includes shell, inner casing and pedestal, and is located at the giant magnetostrictive rod within inner casing,
The lower section of shell is equipped with the liquid outlet of fluid insulation resin；
The top of inner casing is equipped with the inlet of fluid insulation resin；
Giant magnetostrictive rod is made of in the presence of the super mangneto slice at interval each other multiple, thus in giant magnetostrictive rod
Portion forms equally distributed multiple channels；
The upper end of giant magnetostrictive rod is connected to the inlet, and lower end is connected to the liquid outlet, and fluid insulation resin can be with
It flows through and is filled in multiple channels from top to down and is logical in the outside of transducing head to form insulating film, liquid outlet and inlet
Valve is crossed to be connected to pump machine to form the flow circuit of fluid insulation resin, and the valve and pump machine and a controller signals
Connection；
The current sensor for detecting actual current value when transducing head is run is additionally provided on the shell；
The magnetic field strength transducer for detecting the actual magnetic field strength in transducing head is additionally provided on the inner casing；
The temperature sensor of the real time temperature for detecting giant magnetostrictive rod is additionally provided on the pedestal；
The controller is configured as:
When the magnetic field strength proportion of goods damagedsWhen being greater than the set value, the valve and pump machine operating are controlled, fluid insulation resin is filled
In forming insulating film in channel, multiple ultra-magnetic telescopics that giant magnetostrictive rod is divided into small volume are sliced to alleviate electric whirlpool
Effect is flowed, until the magnetic field strength proportion of goods damageds after variationLower than setting value；
When the operating temperature for detecting giant magnetostrictive rod is higher than standard value, control pump machine increases running power, improves channel
The flowing velocity of interior fluid insulation resin, to carry out absorbing and cooling temperature to giant magnetostrictive rod.
The magnetic field strength proportion of goods damagedsCalculation method it is as follows:
According toFormer magnetic field strength H is calculated, wherein N is coil turn, and I is the actual current that current sensor measures
Value,For effective magnetic circuit length, calculated original magnetic field strength H is subtracted into the actual magnetic field strength that magnetic field strength transducer measures
Obtain magnetic field strength difference, poor with magnetic field strengthThe magnetic field strength proportion of goods damageds are obtained divided by former magnetic field strength H。
Preferably, it is coated with polytetrafluoroethylene film on the opposite face of each pair of super mangneto slice, it is exhausted for reducing liquid
Covering on edge resin flowing Shi Chao mangneto slice surface.
The beneficial effects of the present invention are: the present invention can alleviate the electricity on the giant magnetostrictive rod under high frequency magnetic field excitation
Eddy current effect, and with the mode of liquid cooling, the calorific value when work of the giant magnetostrictive rod as caused by eddy current effect is successfully managed,
Keep stabilization when giant magnetostrictive rod work.
Detailed description of the invention
Fig. 1 shows the schematic diagram of ultra-magnetic telescopic ultrasonic transduction device；
Fig. 2 shows the schematic diagrames of giant magnetostrictive rod.
Specific embodiment
With reference to the accompanying drawings, the function that the structure of this system is described in detail and is realized.
A kind of ultra-magnetic telescopic ultrasonic transduction device comprising shell 1, inner casing 2 and pedestal 3, and be located within inner casing 2
Giant magnetostrictive rod 4, which is characterized in that
The lower section of shell 1 is equipped with the liquid outlet 11 of fluid insulation resin；
The top of inner casing 2 is equipped with the inlet 21 of fluid insulation resin；
Giant magnetostrictive rod 4 is made of in the presence of the super mangneto slice at interval each other multiple, thus in giant magnetostrictive rod
Inside forms equally distributed multiple channels 41；
The upper end of giant magnetostrictive rod 4 is connected to the inlet 21, and lower end is connected to the liquid outlet 11, fluid insulation resin
It can flow through and be filled in multiple channels 41 from top to down to form insulating film, liquid outlet 11 and inlet 21 in transducing and fill
The outside set is connected to pump machine (not shown) by valve to form the flow circuit of fluid insulation resin, and the valve and pump
Machine is connect with a controller signals；
The current sensor 5 for detecting actual current value when transducing head is run is additionally provided on the shell 1；
The magnetic field strength transducer 6 for detecting the actual magnetic field strength in transducing head is additionally provided on the inner casing 2；
The temperature sensor 7 of the real time temperature for detecting giant magnetostrictive rod is additionally provided on the pedestal 3；
The controller is configured as:
When the magnetic field strength proportion of goods damagedsWhen being greater than the set value, the valve and pump machine operating are controlled, fluid insulation resin is filled
In forming insulating film in channel 41, multiple ultra-magnetic telescopics that giant magnetostrictive rod is divided into small volume are sliced to alleviate electricity
Eddy current effect；
When the operating temperature for detecting giant magnetostrictive rod is higher than standard value, control pump machine increases running power, improves channel
The flowing velocity of fluid insulation resin in 41, to carry out absorbing and cooling temperature to giant magnetostrictive rod.
One skilled in the art would recognize that without departing substantially from the spirit and scope of the invention as generally describing,
Various variations and/or modification can be carried out to invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the combination of any feature especially in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (4)
1. a kind of ultra-magnetic telescopic ultrasonic transduction device, which is characterized in that giant magnetostrictive rod therein is by between multiple
There are the super mangneto at interval slices to form, and circulation has fluid insulation resin in the channel between slice.
2. a kind of ultra-magnetic telescopic ultrasonic transduction device comprising shell, inner casing and pedestal, and it is located at the super magnetic within inner casing
Cause extension stem, which is characterized in that
The lower section of shell is equipped with the liquid outlet of fluid insulation resin；
The top of inner casing is equipped with the inlet of fluid insulation resin；
Giant magnetostrictive rod is made of in the presence of the super mangneto slice at interval each other multiple, thus in giant magnetostrictive rod
Portion forms equally distributed multiple channels；
The upper end of giant magnetostrictive rod is connected to the inlet, and lower end is connected to the liquid outlet, and fluid insulation resin can be with
It flows through and is filled in multiple channels from top to down and is logical in the outside of transducing head to form insulating film, liquid outlet and inlet
Valve is crossed to be connected to pump machine to form the flow circuit of fluid insulation resin, and the valve and pump machine and a controller signals
Connection；
The current sensor for detecting actual current value when transducing head is run is additionally provided on the shell；
The magnetic field strength transducer for detecting the actual magnetic field strength in transducing head is additionally provided on the inner casing；
The temperature sensor of the real time temperature for detecting giant magnetostrictive rod is additionally provided on the pedestal；
The controller is configured as:
When the magnetic field strength proportion of goods damagedsWhen being greater than the set value, the valve and pump machine operating are controlled, fluid insulation resin is filled
In forming insulating film in channel, multiple ultra-magnetic telescopics that giant magnetostrictive rod is divided into small volume are sliced to alleviate electric whirlpool
Flow effect；
When the operating temperature for detecting giant magnetostrictive rod is higher than standard value, control pump machine increases running power, improves channel
The flowing velocity of interior fluid insulation resin, to carry out absorbing and cooling temperature to giant magnetostrictive rod.
3. ultra-magnetic telescopic ultrasonic transduction device as claimed in claim 2, which is characterized in that each pair of super mangneto is sliced opposite
Polytetrafluoroethylene film is coated on face, it is viscous on fluid insulation resin flowing Shi Chao mangneto slice surface for reducing
It covers.
4. ultra-magnetic telescopic ultrasonic transduction device as claimed in claim 2, which is characterized in that the magnetic field strength proportion of goods damageds
Calculation method it is as follows:
According toFormer magnetic field strength H is calculated, wherein N is coil turn, and I is the actual current that current sensor measures
Value,For effective magnetic circuit length, calculated original magnetic field strength H is subtracted into the actual magnetic field strength that magnetic field strength transducer measures
Obtain magnetic field strength difference, poor with magnetic field strengthThe magnetic field strength proportion of goods damageds are obtained divided by former magnetic field strength H。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153641.3A CN109877029B (en) | 2019-03-01 | 2019-03-01 | Giant magnetostrictive ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153641.3A CN109877029B (en) | 2019-03-01 | 2019-03-01 | Giant magnetostrictive ultrasonic transducer |
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| Publication Number | Publication Date |
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| CN109877029A true CN109877029A (en) | 2019-06-14 |
| CN109877029B CN109877029B (en) | 2020-10-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2853195Y (en) * | 2005-09-17 | 2007-01-03 | 陈国超 | High power altrasonic transducer |
| US20100175986A1 (en) * | 2006-05-25 | 2010-07-15 | Vortex Oil Limited | Manufacture of Biodiesel |
| CN107470117A (en) * | 2017-08-04 | 2017-12-15 | 北京交通大学 | A kind of ultra-magnetic telescopic ultrasonic driver with heat-pipe radiator |
| CN107965311A (en) * | 2016-10-19 | 2018-04-27 | 北京紫贝龙科技股份有限公司 | Sonic sensor, acoustic logging instrument and logging method |
| CN108568397A (en) * | 2018-03-26 | 2018-09-25 | 西安理工大学 | Ultra-magnetic telescopic ultrasonic chief axis |
-
2019
- 2019-03-01 CN CN201910153641.3A patent/CN109877029B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2853195Y (en) * | 2005-09-17 | 2007-01-03 | 陈国超 | High power altrasonic transducer |
| US20100175986A1 (en) * | 2006-05-25 | 2010-07-15 | Vortex Oil Limited | Manufacture of Biodiesel |
| CN107965311A (en) * | 2016-10-19 | 2018-04-27 | 北京紫贝龙科技股份有限公司 | Sonic sensor, acoustic logging instrument and logging method |
| CN107470117A (en) * | 2017-08-04 | 2017-12-15 | 北京交通大学 | A kind of ultra-magnetic telescopic ultrasonic driver with heat-pipe radiator |
| CN108568397A (en) * | 2018-03-26 | 2018-09-25 | 西安理工大学 | Ultra-magnetic telescopic ultrasonic chief axis |
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| CN109877029B (en) | 2020-10-16 |
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Denomination of invention: Giant magnetostrictive ultrasonic energy exchange device Effective date of registration: 20211216 Granted publication date: 20201016 Pledgee: Zhejiang Hecheng Rural Commercial Bank Co.,Ltd. Pledgor: JIAXING QUANSHUN TOURIST PRODUCT Co.,Ltd. Registration number: Y2021330002555 |
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Effective date of registration: 20231211 Address after: Room 101, No. 10, Lane 1, Nanzha Xinxing Road, Humen Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Microcrystalline Machinery Technology Co.,Ltd. Address before: 314000 Yunan Village, Yuxin Town, Jiaxing City, Zhejiang Province Patentee before: JIAXING QUANSHUN TOURIST PRODUCT Co.,Ltd. |
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