CN109581252A - A kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end - Google Patents
A kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end Download PDFInfo
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- CN109581252A CN109581252A CN201811631453.9A CN201811631453A CN109581252A CN 109581252 A CN109581252 A CN 109581252A CN 201811631453 A CN201811631453 A CN 201811631453A CN 109581252 A CN109581252 A CN 109581252A
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- Prior art keywords
- magnetic resonance
- nuclear magnetic
- receiving
- control device
- transmitting
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from DC input or output
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
A kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end, a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end is constructed with technology that is simple and being easily achieved, circuit by fairing and filtering voltage regulation output multi-channel for main controller device and the enabled control circuit device of transmitting-receiving, so that signal output is not interfered, conducive to the image forming job of nuclear magnetic resonance spectrometer.
Description
Technical field
The present invention relates to field of medical device, specially a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end.
Background technique
Magnetic resonance (magnetic resonance, MR) is the stationary magnetic field generated using this topic in magnetic resonance system,
By the control to radio frequency system and gradient system, there is radio frequency system to be excited and received magnetic resonance signal, and utilizes gradient
Magnetic field carries out excitation to sample and selects layer and space encoding, to obtain a kind of tomograph imaging method for having spatial positional information.
Nuclear magnetic resonance spectrometer is the magnetically analysis instrument that substance is analyzed using the difference for not having to Elements Atom nulcear properties, magnetic
Resonance image-forming (magnetic resonance imaging, MRI) is the stationary magnetic field generated using magnet, by radio frequency and
Excitation of the gradient system to subject generates magnetic resonance signal, then signal is acquired and is rebuild by reception system, from
And the method for obtaining subject image, nuclear magnetic resonance spectrometer are to realize a kind of equipment used in MR imaging method, are used for
The gradient waveform that radio frequency waveform, the gradient system that radio frequency system uses use is generated, and magnetic resonance signal can be received.
Currently, being widely used to since magnetic resonance detection technique has many advantages, such as lossless to detected sample, radiationless
The fields such as medical imaging and substance detection and identification, the electric current of conventional MRI spectrometer have unicity.
Summary of the invention
Technical problem solved by the invention is to provide a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end, with
Solve the problems mentioned above in the background art.
Technical problem solved by the invention is realized using following technical scheme: a kind of multichannel of nuclear magnetic resonance spectrometer front end
Voltage output device, comprising: fairing, multipath voltage regulation device, main controller device, receives and dispatches enabled controller at filter
Device, information output apparatus, transmitting-receiving enable signal input unit, emits enabled control device, receives enabled control ID identification device
Device processed；
Double 15V AC power sources are input to the fairing and obtain generating positive and negative voltage；
The generating positive and negative voltage that the filter obtains the fairing is filtered pressure stabilizing, obtains high-precision plurality of voltages；
The multipath voltage regulation device will be filtered the processed plurality of voltages of device and export, including 12V, 11V, ± 7V,
5V, power supply of the plurality of voltages for main controller device and the enabled control device of transmitting-receiving；
The ID that the main controller device carries out coil to the magnetic resonance reception coil for being connected to head end box is identified, and information is stored up
It is exported there are the id information that in ID identification device, will acquire by information output apparatus and gives magnetic resonance control platform host；
Enabled control device work, magnetic resonance control platform master can be allowed to receive and dispatch after the correct identification id of main controller device
Machine inputs a signal into the enabled control device of transmitting-receiving by receiving and dispatching enable signal input unit, described to receive and dispatch enabled controller dress
Control is set to emit enabled control device and receive enabled control device.
Preferably, the nuclear magnetic resonance spectrometer generates transmitting-receiving enable signal in radio-frequency receiving-transmitting.
Preferably, the nuclear magnetic resonance spectrometer launches radiofrequency signal, excites the hydrogen in image tissue to generate into hole, due to hydrogen
The signal generated into hole can be received by magnetic resonance reception coil.
Compared with prior art, the beneficial effects of the present invention are: constructing one kind with technology that is simple and being easily achieved
The Multi-path voltage output device of nuclear magnetic resonance spectrometer front end is filled by fairing and filtering voltage regulation output multi-channel for master controller
The circuit of enabled control circuit device is set and receives and dispatches, so that signal output is not interfered, conducive to the imaging work of nuclear magnetic resonance spectrometer
Make.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fairing 1, filter 2, multipath voltage regulation device 3, main controller device 4, receive and dispatch enabled control device 5,
ID identification device 6, transmitting-receiving enable signal input unit 8, emits enabled control device 9, receives enabled control information output apparatus 7
Device 10 processed.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect, it is clear that described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work, in addition, designing in patent
All connection/the connection relationships arrived not singly refer to that building directly connects, and addition can be passed through according to specific implementation situation by referring to
Or reduce all couple auxiliaries, the coupling structure that Lai Zucheng more has, in order to make implement technical means of the invention, creation characteristic,
Reach purpose to be easy to understand with effect, following further describes the present invention in conjunction with specific drawings.
As shown in Figure 1, a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end, comprising: fairing 1, filtering dress
It sets 2, multipath voltage regulation device 3, main controller device 4, receive and dispatch enabled control device 5, ID identification device 6, information output apparatus
7, enable signal input unit 8 is received and dispatched, emits enabled control device 9, receive enabled control device 10；
Double 15V AC power sources are input to the fairing 1 and obtain generating positive and negative voltage；
The generating positive and negative voltage that the filter 2 obtains the fairing 1 is filtered pressure stabilizing, obtains high-precision Multi-path electricity
Pressure；
The multipath voltage regulation device 3 will be filtered the processed plurality of voltages of device 2 and export, including 12V, 11V, ±
7V, 5V, power supply of the plurality of voltages for main controller device 4 and the enabled control device 5 of transmitting-receiving；
The ID that the main controller device 4 carries out coil to the magnetic resonance reception coil for being connected to head end box identifies, and by information
It is stored in ID identification device 6, the id information that will acquire gives magnetic resonance control platform host by the output of information output apparatus 7；
Enabled control device 5 can be allowed to receive and dispatch after the correct identification id of the main controller device 4 to work, magnetic resonance control platform
Host inputs a signal into the enabled control device 5 of transmitting-receiving by receiving and dispatching enable signal input unit 8, and the transmitting-receiving makes can control
The control of device device 5 emits enabled control device 9 and receives enabled control device 10.
Preferably, the nuclear magnetic resonance spectrometer generates transmitting-receiving enable signal in radio-frequency receiving-transmitting.
Preferably, the nuclear magnetic resonance spectrometer launches radiofrequency signal, excites the hydrogen in image tissue to generate into hole, due to hydrogen
The signal generated into hole can be received by magnetic resonance reception coil.
Compared with prior art, the beneficial effects of the present invention are: constructing one kind with technology that is simple and being easily achieved
The Multi-path voltage output device of nuclear magnetic resonance spectrometer front end is filled by fairing and filtering voltage regulation output multi-channel for master controller
The circuit of enabled control circuit device is set and receives and dispatches, so that signal output is not interfered, conducive to the imaging work of nuclear magnetic resonance spectrometer
Make.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, claimed range of the invention by appended claims and
Its equivalent thereof.
Claims (3)
1. a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end, it is characterised in that: include: fairing, filter,
Multipath voltage regulation device, main controller device, the enabled control device of transmitting-receiving, ID identification device, information output apparatus, transmitting-receiving are enabled
Signal input apparatus emits enabled control device, receives enabled control device；
Double 15V AC power sources are input to the fairing and obtain generating positive and negative voltage；
The generating positive and negative voltage that the filter obtains the fairing is filtered pressure stabilizing, obtains high-precision plurality of voltages；
The multipath voltage regulation device will be filtered the processed plurality of voltages of device and export, including 12V, 11V, ± 7V,
5V, power supply of the plurality of voltages for main controller device and the enabled control device of transmitting-receiving；
The ID that the main controller device carries out coil to the magnetic resonance reception coil for being connected to head end box is identified, and information is stored up
It is exported there are the id information that in ID identification device, will acquire by information output apparatus and gives magnetic resonance control platform host；
Enabled control device work, magnetic resonance control platform master can be allowed to receive and dispatch after the correct identification id of main controller device
Machine inputs a signal into the enabled control device of transmitting-receiving by receiving and dispatching enable signal input unit, described to receive and dispatch enabled controller dress
Control is set to emit enabled control device and receive enabled control device.
2. a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end according to claim 1 is it is characterized by: described
Nuclear magnetic resonance spectrometer generates transmitting-receiving enable signal in radio-frequency receiving-transmitting.
3. a kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end according to claim 1 is it is characterized by: described
Nuclear magnetic resonance spectrometer launches radiofrequency signal, the hydrogen in image tissue is excited to generate into hole, due to hydrogen into hole the signal that generates
It can be received by magnetic resonance reception coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631453.9A CN109581252A (en) | 2018-12-29 | 2018-12-29 | A kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631453.9A CN109581252A (en) | 2018-12-29 | 2018-12-29 | A kind of Multi-path voltage output device of nuclear magnetic resonance spectrometer front end |
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| CN109581252A true CN109581252A (en) | 2019-04-05 |
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2018
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| US5513092A (en) * | 1993-07-19 | 1996-04-30 | Bruker Analytische Messtechnik Gmbh | Precision regulated low loss high-power power supply |
| JP2008283994A (en) * | 2007-05-15 | 2008-11-27 | Hitachi Medical Corp | Magnetic resonance imaging system |
| WO2009150575A1 (en) * | 2008-06-10 | 2009-12-17 | Koninklijke Philips Electronics N.V. | Power supply for radio frequency coils in magnetic resonance systems |
| CN201608526U (en) * | 2009-10-13 | 2010-10-13 | 厦门大学 | NMR superconducting magnet room temperature shimming power supply |
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