CN106137196B - Can loading firmware method for down loading and download system, MR imaging apparatus - Google Patents
Can loading firmware method for down loading and download system, MR imaging apparatus Download PDFInfo
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- CN106137196B CN106137196B CN201510145880.6A CN201510145880A CN106137196B CN 106137196 B CN106137196 B CN 106137196B CN 201510145880 A CN201510145880 A CN 201510145880A CN 106137196 B CN106137196 B CN 106137196B
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Abstract
This application discloses can loading firmware method for down loading and download system, MR imaging apparatus.Wherein, can loading firmware method for down loading, comprising: to can loading firmware data encode, generate digital radio signal pulse, and be applied to a download sequence in；One transmitter emits the download sequence to a receiver；Receiver receives the download sequence, and decodes to the download sequence, can loading firmware data described in acquisition.The application using MRI machine radio-frequency transmissions and receive small signal path, rather than common bus come download can loading firmware, thus improve can loading firmware speed of download.
Description
Technical field
The present invention relates to the field of medical instrument technology, especially can loading firmware (loadware or loadable
Firmware method for down loading), can loading firmware download system, further relate to MR imaging apparatus.
Background technique
Multiple equipment, such as analog receiver sum number are generally included in the receiving channel of magnetic resonance imaging (MRI) system
Word receiver.Analog receiver and digit receiver are used to execute the receive capabilities of magnetic resonance (MR) signal, including data acquisition,
Digital filtering, demodulation etc..Analog receiver and digit receiver usually have field programmable gate array (FPGA), ARM or
Digital Signal Processing (DSP) program, these programs can be downloaded from the host computer of such as MRI machine main control computer and can be loaded admittedly
Number of packages evidence arrives hardware.
According to the control of different MRI machines and communication system architecture, the equipment of receiving channel can be connected to different
Bus, such as PCIe, CAN, Ethernet or other communication bridges.Usually, host computer is straight according to specific bus protocol
Connecing can loading firmware data to equipment transmission.
By bus directly download can loading firmware data in the case where, need equipment to be directly connected to bus, and
Host computer is able to access that.If bus speed is lower (such as CAN bus), downloading can the speed of loading firmware data also can
It is restricted.
Summary of the invention
In view of this, one aspect of the present invention propose can loading firmware method for down loading, on the other hand also proposed can add
Carry the download system of firmware, it is also proposed that use the MR imaging apparatus of the method for down loading and download system.
According to an aspect of the invention, there is provided it is a kind of can loading firmware method for down loading, comprising:
To can loading firmware data encode, generate digital radio signal pulse, and be applied to a download sequence in；
One transmitter emits the download sequence to a receiver；
Receiver receives the download sequence, and decodes to the download sequence, can loading firmware data described in acquisition.
Optionally, this method further comprises: before emitting the download sequence, Xiang Suoshu receiver is sent at the beginning
The instruction of downloading, the receiver enter download state after receiving the instruction for starting downloading；And/or it is received in receiver
After the download sequence, Xiang Suoshu receiver sends an instruction for stopping downloading, and the receiver is receiving stopping downloading
Instruction after enter normal condition.
Optionally, the instruction for starting downloading and/or the instruction for stopping downloading being sent by a bus；Alternatively,
The instruction for starting downloading and/or the instruction for stopping downloading being sent by a sequence.
In one embodiment, after the decoding further include: receiver can one caching of loading firmware data write-in by described in；It connects
It receives device and flash memory is written into data in caching, and can loading firmware data described in load from the flash memory.
Preferably, the download sequence is a service sequences.
According to a further aspect of the invention, provide it is a kind of can loading firmware download system, comprising:
One main control computer, for can loading firmware data encode, generate digital radio signal pulse, and apply
In a download sequence；
One transmitter, for emitting the download sequence；
One receiver is decoded for receiving the download sequence, and to the download sequence, can loading firmware described in acquisition
Data.
Optionally, the main control computer is also used to before emitting the download sequence, and Xiang Suoshu receiver sends one
Start the instruction of downloading；And/or after receiver has received the download sequence, Xiang Suoshu receiver is sent under a stopping
The instruction of load.The receiver enters downloading mode after receiving the instruction for starting downloading, in the case where receiving the stopping
Enter normal condition after the instruction of load.
In one embodiment, the receiver includes an instruction monitoring module, decoded for monitoring the receiver
Whether message includes the instruction for starting downloading or the instruction for stopping downloading.
Optionally, the receiver be also used to by it is described can loading firmware data write-in one caching；Data in caching are write
Enter flash memory, and can loading firmware data described in load from the flash memory.
According to the application's in another aspect, providing a kind of MR imaging apparatus, including any one can as described above
The download system of loading firmware.In the above-mentioned technical proposal of the application, the radio-frequency transmissions and the small signal of reception of MRI machine are utilized
Channel, rather than common bus come download can loading firmware, thus improve can loading firmware speed of download, such as from 30
Minute is reduced to 1~5 minute.
Detailed description of the invention
Below will detailed description of the present invention embodiment by referring to accompanying drawing, the person of ordinary skill in the art is more clear that
Above and other feature and advantage of the invention, in attached drawing:
Fig. 1 be according to one embodiment of the invention can loading firmware download system structural schematic diagram, which is located at
In one MRI machine.
Fig. 2 be according to another embodiment of the present invention can loading firmware method for down loading flow diagram.
Wherein, appended drawing reference is as follows:
100: can loading firmware download system
110: main control computer
120: transmitter
130: receiver
140: scan control module
150: data acquisition and reconstruction module
160:MRI scanner
S210 to S300 be it is above-mentioned can step in the method for down loading of loading firmware
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment, identical label indicates identical part in the various figures.
Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.
Herein, "one" not only indicates " only this ", can also indicate the situation of " more than one ".Herein
In, " first ", " second " etc. are only used for mutual differentiation, rather than indicate their significance level and sequence and exist each other
Premise etc..
Fig. 1 show it is according to an embodiment of the invention can loading firmware download system structural schematic diagram.Referring to figure
1, this can loading firmware download system 100 include 110, transmitters 120 of a main control computer and a receiver
130, and the download system 100 is a part of MRI machine.
Wherein, main control computer 110 is usually primary user's console in MRI machine, it usually acquires operator's input
Parameter and instruction, measurement sequencer program etc..Main control computer 110 is the host computer of hardware in MRI machine.In the present embodiment
In, stored in main control computer 110 can loading firmware file.
Transmitter 120 is a RF small signal process unit, has digital-to-analogue conversion (DAC) module, which will
Digital RF pulses switch is the simulation small signal of RF.The output of transmitter 120 may be also connected to a RF power amplifier.
In an embodiment of the present invention, there is test signal circuit (" Loop ") to be connected to the transmitter 120, the test
Signal is commonly used in system debug.In the present embodiment, can use the test signal circuit channel to realize receiver can
Loading firmware downloading.
Receiver 130 have analog-to-digital conversion (ADC) module, the ADC module by analog signal (such as MR signal convert
For digital signal), and initial data is sent to data acquisition and rebuilds module 150.In MRI machine, receiver 130 is also
It is connected to other components, such as coil and channel signal routing module.
This can loading firmware download system 100 be MRI machine a part.In mri other are also shown in Fig. 1
Components, for example, be connected between main control computer 110 and transmitter 120 scan control module 140, be connected to master control calculating
Data acquisition and reconstruction module 150 and MRI scanner 160 between machine 110 and receiver 130.
Wherein, scan control module 140 usually controls Surrounding Parts during scanning, explains and execute coming from master control meter
The instruction of calculation machine 110 sends digital RF (RF)/gradient pulse to corresponding device.
Data acquisition and reconstruction module 150 are rebuild from the reception initial data of receiver 130, finally to be believed
Number or MR image.
Traditional digital signal communication system is also shown in Fig. 1.Main control computer 110 passes through scan control module
140 and transmitter 120 encoded and sent message, another aspect main control computer 110 is acquired by receiver 130 and data
It rebuilds module 150 and receives the decode message.Message channel is return passage or radio channel, such as radio-frequency power amplifier
(RFPA))-transmitting coil-receiving coil MR signal path.However in an embodiment of the present invention, receiver 130 can also
To increase data decoding function, so as to directly acquire message.This allows main control computer 110 to transmit the information to reception
Device 130 is connect and using the receiver 130 as other components of bridge with the receiver 130.Receiver 130 can also
To acquire and rebuild module 150 to data by modulation initial data, message is sent to main control computer 110.
In an embodiment of the present invention, in order to realize using the method for decoded primary data download receiver 130 can
Loading firmware data, using a special services sequence (download sequence might as well be known as), the download sequence can from transmitter 120 to
Receiver 130 emits the small signal of specific RF.In the download sequence, the RF pulse shape in each TR period can be given
Digital signal modulated, such as can loading firmware document data flow.
Fig. 2 show it is according to an embodiment of the invention can loading firmware present method.As shown in Fig. 2, the downloading side
Method includes the following steps:
In step S210, main control computer 110 read can loading firmware data (such as binary data) to one caching
In.
In step S220, main control computer 110 to can loading firmware data encode, generate digital radio signal arteries and veins
Punching, and be applied in a download sequence.Download sequence is a service sequences.
In step S230, main control computer 110 sends to receiver 130 and downloads (begin at the beginning
Downloading instruction), receiver 130 enter download state after receiving the instruction for starting downloading.
Further, it present embodiments provides through two kinds of embodiments.In one embodiment, a low speed is had existed
Communication link, such as CAN bus.So, main control computer 110 can send above-mentioned open to receiver 130 by the CAN bus
The instruction of beginning downloading.In another embodiment, main control computer 110 sends this to receiver 130 by a sequence and starts
The instruction of downloading.Correspondingly, receiver 130 includes an instruction monitoring module (not shown), instruction monitoring module monitoring
It whether include the instruction downloaded at the beginning in message decoded.If instruction decoded is the finger for effectively starting downloading
It enables, then receiver 130 is able to enter instruction operational mode, i.e. download state.
In step S240, download sequence is sent to transmitter 120 by main control computer 110.
In step s 250, transmitter 120 converts digital signals into analog signal, and is modulated on a high frequency, leads to
Often it is modulated in MR system frequency.
In step S260, to the transmitting of receiver 130, download sequence is corresponding is modulated by loop signal for transmitter 120
Analog radio-frequency signal afterwards.
In step S270, receiver 130 receives the corresponding signal of download sequence, converts analog signals into digital letter
Number, obtain initial data.
In step S280, receiver 130 is decoded initial data, obtain can loading firmware data, and be written one
Caching.
In step S290, main control computer 110 sends an instruction for stopping downloading to receiver 130, and receiver is connecing
From download state enter normal condition after receiving the instruction of stopping downloading.
In step S300, a flash memory is written in data in caching by receiver 130, and load can load admittedly from the flash memory
Number of packages evidence.
In MRI machine, the ADC in DAC and receiver 130 in transmitter 120 has very high resolution ratio, usually
16 bits are higher.And service sequences circuit uses coaxial cable, almost without noise.The scanning of MRI machine generallys use just
Friendship amplitude modulates (QAM, Quadrature Amplitude Modulation), and the communication of the embodiment of the present invention can also be abundant
Using QAM, to obtain very high transmission data rate.
For example, the symbol rate of system is 1MSPS, if bit rate can reach 10Mbps using 1024QAM.If
The TR of download sequence is 5ms, and the above-mentioned receiver 130 of each TR acquires 2048 data points, then downloading rate is about
4Mbps, the significantly larger than bus of CAN bus etc.
In view of high rate and noiseless channel respectively, smaller amplitude switch process can be used, to obtain higher
Data transfer rate.
Refer again to Fig. 1, another embodiment of the present invention provides it is a kind of can loading firmware download system 100.This can be loaded
The download system 100 of firmware includes: 110, transmitters 120 of a main control computer and a receiver 130.
Wherein, main control computer 110 be used for can loading firmware data encode, generate digital radio signal pulse,
And it is applied in a download sequence.Main control computer 110 is also used to read before the coding can loading firmware data and write-in one
Caching.
Transmitter 120 is for emitting download sequence.For example, transmitter 120 converts digital signals into analog signal, and adjust
It makes onto a high frequency, is usually modulated in MR system frequency, then transmitter 120 is sent out by loop signal to receiver 130
Penetrate download sequence.
Receiver 130 is decoded for receiving download sequence, and to download sequence, and acquisition can loading firmware data.Receiver
130 be also used to can loading firmware data write-in one caching, then will caching in data be written a flash memory, and from the flash memory plus
Load can loading firmware data.
Main control computer 110 is also used to before emitting download sequence, and the finger downloaded at the beginning is sent to receiver 130
It enables.Main control computer 110 can also send one to receiver 130 and stop downloading after receiver 130 has received download sequence
Instruction.Correspondingly, receiver 130 enters downloading mode after receiving the instruction for starting downloading, stops downloading receiving
Enter normal condition after instruction.
According to a kind of embodiment, receiver 130 includes an instruction monitoring module, is decoded for monitoring receiver 130
Message whether include start downloading instruction or stop downloading instruction.
One more embodiment of the present invention provides a kind of MR imaging apparatus, which includes any one of the above
Can loading firmware download system.
This application discloses can loading firmware method for down loading and download system, MR imaging apparatus.Wherein, it can load
The method for down loading of firmware, comprising: to can loading firmware data encode, generate digital radio signal pulse, and be applied to one
In download sequence；One transmitter emits the download sequence to a receiver；Receiver receives the download sequence, and to described
Download sequence decodes, can loading firmware data described in acquisition.The application is logical using the radio-frequency transmissions and the small signal of reception of MRI machine
Road, rather than common bus come download can loading firmware, thus improve can loading firmware speed of download.
The above description is only an embodiment of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. in a kind of MR imaging apparatus can loading firmware method for down loading, comprising:
To can loading firmware data encode, generate digital radio signal pulse, and being applied to one can be from transmitter to connecing
Device is received to emit in the download sequence of the small signal of specific RF；
Before emitting the download sequence, Xiang Suoshu receiver sends the instruction downloaded at the beginning, and the receiver is receiving
This enters download state after starting the instruction downloaded；
One transmitter emits the download sequence to a receiver by loop signal；
Receiver receives the download sequence, and decodes to the download sequence, can loading firmware data described in acquisition.
2. according to the method described in claim 1, wherein, further comprising:
After receiver receives the download sequence, Xiang Suoshu receiver sends an instruction for stopping downloading, the receiver
Enter normal condition after the instruction for receiving stopping downloading.
3. according to the method described in claim 2, wherein, the instruction for starting downloading and/or described is sent by a bus
Stop the instruction of downloading；Alternatively,
The instruction for starting downloading and/or the instruction for stopping downloading being sent by a sequence.
4. according to the method described in claim 1, wherein, after the decoding further include:
Receiver can one caching of loading firmware data write-in by described in；
Flash memory is written in data in caching by receiver, and can loading firmware data described in load from the flash memory.
5. according to the method described in claim 1, wherein, the download sequence is a service sequences.
6. in a kind of MR imaging apparatus can loading firmware download system, comprising:
One main control computer, for can loading firmware data encode, generate digital radio signal pulse, and be applied to one
It can emit in the download sequence of the small signal of specific RF from transmitter to receiver；The main control computer is also used in transmitting institute
Before stating download sequence, Xiang Suoshu receiver sends the instruction downloaded at the beginning；
One transmitter, for emitting the download sequence by loop signal；
One receiver is decoded for receiving the download sequence, and to the download sequence, can loading firmware number described in acquisition
According to.
7. system according to claim 6, wherein
The main control computer is also used to after receiver has received the download sequence, and Xiang Suoshu receiver, which sends one, to be stopped
The instruction of downloading；
The receiver enters downloading mode after receiving the instruction for starting downloading, is receiving the finger for stopping downloading
Enter normal condition after enabling.
8. system according to claim 7, wherein the receiver includes an instruction monitoring module, described for monitoring
Whether receiver message decoded includes the instruction for starting downloading or the instruction for stopping downloading.
9. system according to claim 6, wherein
The receiver be also used to by it is described can loading firmware data write-in one caching；Data write-in flash memory in caching, and from
It can loading firmware data described in load in the flash memory.
10. a kind of MR imaging apparatus, including just like can be under loading firmware described in any one of claim 6 to 9
Loading system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510145880.6A CN106137196B (en) | 2015-03-31 | 2015-03-31 | Can loading firmware method for down loading and download system, MR imaging apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510145880.6A CN106137196B (en) | 2015-03-31 | 2015-03-31 | Can loading firmware method for down loading and download system, MR imaging apparatus |
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| CN106137196A CN106137196A (en) | 2016-11-23 |
| CN106137196B true CN106137196B (en) | 2019-11-12 |
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| JP2005215796A (en) * | 2004-01-27 | 2005-08-11 | Nec Software Kyushu Ltd | Firmware update system and method for portable terminal, update module delivery medium, portable terminal and program |
| CN101557756A (en) * | 2006-05-12 | 2009-10-14 | 因维沃公司 | Method of transferring software and patient data in an MRI wireless patient monitor system |
| CN102591670A (en) * | 2011-01-12 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Firmware upgrading system and method |
| CN103201751A (en) * | 2010-09-13 | 2013-07-10 | 特里登特Rfid私人有限公司 | System and method for updating parameters and firmware on RFID readers |
| CN104407881A (en) * | 2014-10-28 | 2015-03-11 | 成都阿艾夫通信有限公司 | Active RFID (radio frequency identification) firmware remote upgrading method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8275858B2 (en) * | 2008-09-18 | 2012-09-25 | Mitac Technology Corp. | Method for updating firmware of radio frequency identification reader through network system |
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2015
- 2015-03-31 CN CN201510145880.6A patent/CN106137196B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005215796A (en) * | 2004-01-27 | 2005-08-11 | Nec Software Kyushu Ltd | Firmware update system and method for portable terminal, update module delivery medium, portable terminal and program |
| CN101557756A (en) * | 2006-05-12 | 2009-10-14 | 因维沃公司 | Method of transferring software and patient data in an MRI wireless patient monitor system |
| CN103201751A (en) * | 2010-09-13 | 2013-07-10 | 特里登特Rfid私人有限公司 | System and method for updating parameters and firmware on RFID readers |
| CN102591670A (en) * | 2011-01-12 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Firmware upgrading system and method |
| CN104407881A (en) * | 2014-10-28 | 2015-03-11 | 成都阿艾夫通信有限公司 | Active RFID (radio frequency identification) firmware remote upgrading method |
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