CN208969226U - A kind of MRI scan transmitter - Google Patents
A kind of MRI scan transmitter Download PDFInfo
- Publication number
- CN208969226U CN208969226U CN201821169496.5U CN201821169496U CN208969226U CN 208969226 U CN208969226 U CN 208969226U CN 201821169496 U CN201821169496 U CN 201821169496U CN 208969226 U CN208969226 U CN 208969226U
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- CN
- China
- Prior art keywords
- coil
- hollow pipe
- nano ceramics
- oscillator
- mri scan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model 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, oscillator is connect with power supply and processing center, the winding circle number of coil is between 700 to 1200 circles, the diameter of coil is 0.05mm -0.2mm, 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 utility model has high sensitivity, the simple advantage of structure.
Description
Technical field
The utility model belongs to nuclear magnetic resonance equipment technology field, and in particular to a kind of MRI scan transmitter.
Background technique
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, the self-rotating nuclear absorption of electromagnetic radiation in lower state can jump
Adjourn upper state.This phenomenon is known as nuclear magnetic resonance.The transmitting antenna of current existing nuclear magnetic resonance detecting devices can only emit
The nmr frequency of the specified several substances of producer externally carries out signal transmitting, it is desirable to detect the nuclear magnetic resonance number of producer's offer
Outer substance is impossible accordingly, and the utility model provides a kind of MRI scan hair for the deficiency in the prior art
Emitter.
Utility model content
The purpose of this utility model is and to provide a kind of high sensitivity, structure letter to make up the deficiency in background technique
Single MRI scan transmitter.
Purpose of the utility model is realized as follows: a kind of MRI scan transmitter, including scanning emitter,
Nano ceramics hollow pipe, the outer surface of the nano ceramics hollow pipe are provided with coil, and the coil is electrically connected with oscillator
It connects, the oscillator is connect with power supply and processing center.
The winding circle number of the coil is between 700 to 1200 circles, and the diameter of the coil is 0.05mm-
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.
The utility model has the beneficial effects that the utility model is provided with oscillator, oscillator can produce certain frequency
Electromagnetic wave can change the radiation frequency of electromagnetic wave by adjusting K, and the utility model is additionally provided with scanning emitter, scanning
The surface of emitter is provided with coil, and electric current is by coil and generates magnetic field, and the utility model has high sensitivity, structure letter
Single advantage.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of MRI scan transmitter of the utility model.
Fig. 2 is a kind of operation schematic diagram of MRI scan transmitter of the utility model.
In figure: 1, scanning emitter 2, coil 3, nano ceramics hollow pipe 4, oscillator 5, a-power supply and place
Reason center.
Specific embodiment
The technical solutions in the embodiments of the present invention are clearly and completely described with reference to the accompanying drawing, it is clear that institute
The embodiment of description is only the utility model a part of the embodiment, rather than whole embodiments, based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
Embodiment 1
A kind of MRI scan transmitter as shown in Figure 1 and Figure 2, including scanning emitter 1, nano ceramics is hollow
Pipe 3, the outer surface of the nano ceramics hollow pipe 3 are provided with coil 2, and the coil 2 is electrically connected with oscillator 4, described
Oscillator 4 connect with power supply and processing center 5；The winding circle number of the coil 2 is described between 700 to 1200 circles
The diameter of coil 2 is 0.05mm -0.2mm；The outer diameter of the nano ceramics hollow pipe 3 is between 0.5cm -1.5cm, nanometer
The pipe thickness of ceramic hollow pipe 3 between 0.2mm -0.7mm, the height of nano ceramics hollow pipe 3 be 1.5cm -2.5cm it
Between；The oscillator 4 includes amplifier and frequency controller；The power supply and processing center 5 is additionally provided with power supply electricity
Source, detector, central processing unit.
When the utility model is implemented: the outer surface of nano ceramics hollow pipe 3 is provided with coil 2, coil 2 and oscillator 4
Electrical connection, oscillator 4 are connect with power supply and processing center 5；The winding circle number of coil 2 be 700 to 1200 circle between, coil 2
Diameter is 0.05mm -0.2mm；The outer diameter of nano ceramics hollow pipe 3 between 0.5cm -1.5cm, nano ceramics hollow pipe 3
Pipe thickness is between 0.2mm -0.7mm, and the height of nano ceramics hollow pipe 3 is between 1.5cm -2.5cm；Oscillator 4 wraps
Contain amplifier and frequency controller；Power supply and processing center 5 are additionally provided with power supply, detector, central processing unit, work
When, the enamel insulated wire for being 0.05mm -0.2mm by diameter, it is highly 1.5cm-that being wrapped in diameter, which is 0.2mm -0.7mm,
On the nano ceramics hollow pipe 3 of 2.5cm, then wire circle is consolidated in 700 to 1200 circles with high-voltage isulation resin-encapsulated tank coil
Change, the lower mouth closing of nano ceramics hollow pipe 3 connects power supply and processing center with transmitting coil, in power supply and processing center 5
Power supply power to oscillator 4, oscillator 4 includes amplifier and frequency controller, and then oscillator 4 generates high frequency vibrating
It swings, the exchange then generated by adjusting the oscillation frequency of the adjustable oscillator 4 of the frequency controller of oscillator 4, oscillator 4
Electric current gives the work of coil 2, and then the center of coil 2 generates an electromagnetic field, and the electromagnetic field at 2 center of coil is with certain frequency
Change the direction in magnetic field, simultaneously because the presence of self-induction of loop electromotive force, the phase that will appear voltage on coil 2 shifts to an earlier date electricity
90 degree of stream results in the superposition of the input current of coil 2 and the self inductance current of coil in this way, what the input current of coil 2 generated
The superposition for the electromagnetic field that the self inductance current of electromagnetic field and coil generates, produces harmonic wave, then will need the substance that detects but not
Know that the substance of the nmr frequency of the substance is put into nano ceramics hollow pipe 3, the electromagnetism that the input current of coil 2 generates
And coil the electromagnetic field effect of the superposition of electromagnetic field that generates of self inductance current 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 detect to signal the substance in determining nano ceramics hollow pipe 3 is surveyed, finally by oscillator 4
Amplifier resonance frequency signal amplified and passes through scanning emitter 1 emit, and total, the utility model tool
Have the advantages that high sensitivity, structure are simple.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Any modification made in novel protection scope, equivalent replacement etc. should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of MRI scan transmitter, it is characterised in that: 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)
It connects, the oscillator (4) is connect with power supply and processing center (5).
2. a kind of MRI scan transmitter according to claim 1, it is characterised in that: coil (2) twine
Pitch of the laps number is between 700 to 1200 circles, and the diameter of the coil (2) is 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
Manage (3) outer diameter between 0.5cm -1.5cm, the pipe thickness of nano ceramics hollow pipe (3) between 0.2mm -0.7mm,
The height of nano ceramics hollow pipe (3) is between 1.5cm -2.5cm.
4. a kind of MRI scan transmitter according to claim 1, it is characterised in that: 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) is additionally provided with power supply, detector, central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169496.5U CN208969226U (en) | 2018-07-24 | 2018-07-24 | A kind of MRI scan transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169496.5U CN208969226U (en) | 2018-07-24 | 2018-07-24 | A kind of MRI scan transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208969226U true CN208969226U (en) | 2019-06-11 |
Family
ID=66749072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821169496.5U Expired - Fee Related CN208969226U (en) | 2018-07-24 | 2018-07-24 | A kind of MRI scan transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208969226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802643A (en) * | 2018-07-24 | 2018-11-13 | 卢氏县地质勘查研究所 | A kind of MRI scan transmitter |
-
2018
- 2018-07-24 CN CN201821169496.5U patent/CN208969226U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802643A (en) * | 2018-07-24 | 2018-11-13 | 卢氏县地质勘查研究所 | A kind of MRI scan transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190611 Termination date: 20200724 |