CN108802643A - A kind of MRI scan transmitter - Google Patents
A kind of MRI scan transmitter Download PDFInfo
- Publication number
- CN108802643A CN108802643A CN201810815172.2A CN201810815172A CN108802643A CN 108802643 A CN108802643 A CN 108802643A CN 201810815172 A CN201810815172 A CN 201810815172A CN 108802643 A CN108802643 A CN 108802643A
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- Prior art keywords
- coil
- hollow pipe
- nano ceramics
- mri scan
- ceramics hollow
- Prior art date
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- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 30
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 4
- 230000005672 electromagnetic field Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000007689 inspection 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
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/14—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electron or nuclear magnetic resonance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The present invention relates to a kind of MRI scan transmitters, including scanning emitter, nano ceramics hollow pipe, the outer surface of nano ceramics hollow pipe is provided with coil, coil is electrically connected with oscillator, vibrator is connect with power supply and processing center, the winding number of turns of coil is between 700 to 1200 circles, a diameter of 0.05mm -0.2mm of coil, the outer diameter of nano ceramics hollow pipe is between 0.5cm -1.5cm, the pipe thickness of nano ceramics hollow pipe is between 0.2mm -0.7mm, the height of nano ceramics hollow pipe is between 1.5cm -2.5cm, oscillator includes amplifier and frequency controller, the present invention has high sensitivity, advantage simple in structure.
Description
Technical field
The invention belongs to nuclear magnetic resonance equipment technology fields, and in particular to a kind of MRI scan transmitter.
Background technology
Nuclear magnetic resonance is the atomic nucleus that magnetic moment is not zero, and Zeeman splitting, resonance occur for the energy level that spins under external magnetic field
Absorb the physical process of the radio-frequency radiation of certain certain frequency.Nuclear magnetic resonance spectroscopy is a branch of spectroscopy, resonance frequency
For rate in radio-frequency range, corresponding transition is transition of the nuclear spin in core Zeeman level.One core will transit to height from lower state
Energy state, it is necessary to absorb the energy of Δ E.The self-rotating nuclear allowed in external magnetic field receives the electromagenetic wave radiation of certain frequency, works as radiation
Energy when being exactly equal to the energy difference of two kinds of different orientations of self-rotating nuclear, be in the self-rotating nuclear absorption of electromagnetic radiation energy of lower state
Transit to upper state.This phenomenon is known as nuclear magnetic resonance.The transmitting antenna of current existing nuclear magnetic resonance detecting devices can only be sent out
The nmr frequency for penetrating the specified several substances of producer externally carries out signal transmitting, it is desirable to detect the nuclear magnetic resonance of producer's offer
Substance other than data is impossible, and the present invention provides a kind of MRI scan transmitting for the deficiency in the prior art
Device.
Invention content
The purpose of the invention is to make up the deficiency in background technology, and provide a kind of high sensitivity, simple in structure
MRI scan transmitter.
The object of the present invention is achieved like this：A kind of MRI scan transmitter, including scanning emitter, nanometer
The outer surface of ceramic hollow pipe, the nano ceramics hollow pipe is provided with coil, and the coil is electrically connected with oscillator, institute
The vibrator stated is connect with power supply and processing center.
The winding number of turns of the coil is a diameter of 0.05mm-of the coil between 700 to 1200 circles
0.2mm。
The outer diameter of the nano ceramics hollow pipe is between 0.5cm -1.5cm, the pipe thickness of nano ceramics hollow pipe
Between 0.2mm -0.7mm, the height of nano ceramics hollow pipe is between 1.5cm -2.5cm.
The oscillator includes amplifier and frequency controller.
The power supply and processing center is additionally provided with power supply, detector, central processing unit.
Beneficial effects of the present invention：The present invention is provided with oscillator, and oscillator can generate the electromagnetic wave of certain frequency, leads to
The radiation frequency of electromagnetic wave can be changed by crossing adjustment K, and the present invention is additionally provided with scanning emitter, scans the surface of emitter
It is provided with coil, electric current is by coil and generates magnetic field, and the present invention has the advantages that high sensitivity, simple in structure.
Description of the drawings
Fig. 1 is a kind of schematic diagram of MRI scan transmitter of the present invention.
Fig. 2 is a kind of operating diagram of MRI scan transmitter of the present invention.
In figure：1, it scans in emitter 2, coil 3, nano ceramics hollow pipe 4, oscillator 5, a-power supply and processing
The heart.
Specific implementation mode
Technical solution in the embodiment of the present invention carries out clear, complete description below in conjunction with the accompanying drawings, it is clear that described
Embodiment be only a part of the embodiment of the present invention, rather than whole embodiments, based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment 1
A kind of MRI scan transmitter as shown in Figure 1 and Figure 2, including scanning emitter 1, nano ceramics hollow pipe 3,
The outer surface of the nano ceramics hollow pipe 3 is provided with coil 2, and the coil 2 is electrically connected with oscillator 4, and described shakes
Dynamic device 4 is connect with power supply and processing center 5；The winding number of turns of the coil 2 is the coil 2 between 700 to 1200 circles
A diameter of 0.05mm -0.2mm；The outer diameter of the nano ceramics hollow pipe 3 is between 0.5cm -1.5cm, nano ceramics
The pipe thickness of hollow pipe 3 is between 0.2mm -0.7mm, and the height of nano ceramics hollow pipe 3 is between 1.5cm -2.5cm；
The oscillator 4 includes amplifier and frequency controller；The power supply and processing center 5 is additionally provided with power supply,
Detector, central processing unit.
When the present invention is implemented：The outer surface of nano ceramics hollow pipe 3 is provided with coil 2, coil 2 is electrically connected with oscillator 4
It connects, vibrator 4 is connect with power supply and processing center 5；The winding number of turns of coil 2 is the diameter of coil 2 between 700 to 1200 circles
For 0.05mm -0.2mm；The outer diameter of nano ceramics hollow pipe 3 is between 0.5cm -1.5cm, the tube wall of nano ceramics hollow pipe 3
Thickness is between 0.2mm -0.7mm, and the height of nano ceramics hollow pipe 3 is between 1.5cm -2.5cm；Oscillator 4 includes
Amplifier and frequency controller；Power supply and processing center 5 are additionally provided with power supply, detector, central processing unit, when work,
By the enamel insulated wire of a diameter of 0.05mm -0.2mm, it is wrapped in a diameter of 0.2mm -0.7mm, is highly 1.5cm -2.5cm
Nano ceramics hollow pipe 3 on, wire circle 700 to 1200 circle, then use high-voltage isulation resin-encapsulated tank coil cure, receive
The lower mouth closing of rice ceramic hollow pipe 3, power supply and processing center is connected with transmitting coil, the confession in power supply and processing center 5
Power supply powers to vibrator 4, and oscillator 4 includes amplifier and frequency controller, and then oscillator 4 generates the higher-order of oscillation,
Then the concussion frequency of oscillator 4, the alternating current that oscillator 4 generates can be adjusted by adjusting the frequency controller of oscillator 4
It streams and works to coil 2, then the center of coil 2 generates an electromagnetic field, and the electromagnetic field at 2 center of coil is changed with certain frequency
Become the direction in magnetic field, simultaneously because the presence of self-induction of loop electromotive force, will appear the phase advance current of voltage on coil 2
90 degree, the superposition of the input current of coil 2 and the self inductance current of coil, the electricity of the input current generation of coil 2 are resulted in this way
The superposition for the electromagnetic field that the self inductance current of magnetic field and coil generates, produces harmonic wave, then will need the substance detected but does not know
The substance of the nmr frequency of the road substance is put into nano ceramics hollow pipe 3, the electromagnetic field of the input current generation of coil 2
The electromagnetic field effect of the superposition of the electromagnetic field generated with the self inductance current of coil is to the substance being put into nano ceramics hollow pipe 3
On, then total superposition electromagnetic field signal of coil 2 is sent to power supply and processing center 5, then the inspection in power supply and processing center 5
The nmr frequency that device is detected signal the substance in determining nano ceramics hollow pipe 3 is surveyed, is finally passed through in vibrator 4
Amplifier resonance frequency signal is amplified and is emitted by scanning emitter 1, and total, the present invention has spirit
Sensitivity height, advantage simple in structure.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, all protection models in the present invention
Interior done any modification is enclosed, equivalent replacement etc. should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of MRI scan transmitter, it is characterised in that：Including scanning emitter（1）, nano ceramics hollow pipe
（3）, the nano ceramics hollow pipe（3）Outer surface be provided with coil（2）, the coil（2）With oscillator（4）It is electrically connected
It connects, the vibrator（4）With power supply and processing center（5）Connection.
2. a kind of MRI scan transmitter according to claim 1, it is characterised in that：The coil（2）Twine
Between the number of turns is 700 to 1200 circles, the coil（2）A diameter of 0.05mm -0.2mm.
3. a kind of MRI scan transmitter according to claim 1, it is characterised in that：The nano ceramics is hollow
Pipe（3）Outer diameter between 0.5cm -1.5cm, nano ceramics hollow pipe（3）Pipe thickness between 0.2mm -0.7mm,
Nano ceramics hollow pipe（3）Height between 1.5cm -2.5cm.
4. a kind of MRI scan transmitter according to claim 1, it is characterised in that：The oscillator（4）Packet
Contain amplifier and frequency controller.
5. a kind of MRI scan transmitter according to claim 1, it is characterised in that：In the power supply and processing
The heart（5）It is additionally provided with power supply, detector, central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810815172.2A CN108802643A (en) | 2018-07-24 | 2018-07-24 | A kind of MRI scan transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810815172.2A CN108802643A (en) | 2018-07-24 | 2018-07-24 | A kind of MRI scan transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108802643A true CN108802643A (en) | 2018-11-13 |
Family
ID=64077835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810815172.2A Pending CN108802643A (en) | 2018-07-24 | 2018-07-24 | A kind of MRI scan transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108802643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608274A (en) * | 2021-09-02 | 2021-11-05 | 三门峡金地之源物探科技有限公司 | Geophysical prospecting instrument |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201774515U (en) * | 2010-05-13 | 2011-03-23 | 武汉辰目科技有限公司 | Automatic frequency lock device of CW (continuous wave) nuclear magnetic resonance system |
| CN107319270A (en) * | 2017-07-26 | 2017-11-07 | 邓文丽 | A kind of device and method to material Implantation Energy |
| CN208969226U (en) * | 2018-07-24 | 2019-06-11 | 卢氏县地质勘查研究所 | A kind of MRI scan transmitter |
-
2018
- 2018-07-24 CN CN201810815172.2A patent/CN108802643A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201774515U (en) * | 2010-05-13 | 2011-03-23 | 武汉辰目科技有限公司 | Automatic frequency lock device of CW (continuous wave) nuclear magnetic resonance system |
| CN107319270A (en) * | 2017-07-26 | 2017-11-07 | 邓文丽 | A kind of device and method to material Implantation Energy |
| CN208969226U (en) * | 2018-07-24 | 2019-06-11 | 卢氏县地质勘查研究所 | A kind of MRI scan transmitter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608274A (en) * | 2021-09-02 | 2021-11-05 | 三门峡金地之源物探科技有限公司 | Geophysical prospecting instrument |
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