CN106137196A - Can the method for down loading of loading firmware and download system, MR imaging apparatus - Google Patents

Can the method for down loading of loading firmware and download system, MR imaging apparatus Download PDF

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Publication number
CN106137196A
CN106137196A CN201510145880.6A CN201510145880A CN106137196A CN 106137196 A CN106137196 A CN 106137196A CN 201510145880 A CN201510145880 A CN 201510145880A CN 106137196 A CN106137196 A CN 106137196A
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China
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described
receptor
download
instruction
loading
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CN201510145880.6A
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Chinese (zh)
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CN106137196B (en
Inventor
谢树群
戴光宝
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西门子(深圳)磁共振有限公司
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Abstract

This application discloses can the method for down loading of loading firmware and download system, MR imaging apparatus.Wherein, can the method for down loading of loading firmware, including: to can loading firmware data encode, generate digital radio signal pulse, and be applied in a download sequence;One emitter launches described download sequence to a receptor;Receptor receives described download sequence, and decodes described download sequence, it is thus achieved that described can loading firmware data.The application utilize the radio-frequency transmissions of MRI machine with receive small-signal passage rather than conventional bus download can loading firmware, thus improve can the speed of download of loading firmware.

Description

Can the method for down loading of loading firmware and download system, MR imaging apparatus

Technical field

The present invention relates to technical field of medical instruments, particularly can loading firmware (loadware, or loadable firmware) Method for down loading, can the download system of loading firmware, further relate to MR imaging apparatus.

Background technology

Multiple equipment, such as analog receiver sum is generally included in the reception passage of nuclear magnetic resonance (MRI) system Word receptor.Analog receiver and digit receiver are used for performing the receive capabilities of magnetic resonance (MR) signal, including data Collection, digital filtering, demodulation etc..Analog receiver and digit receiver be generally of field programmable gate array (FPGA), ARM or Digital Signal Processing (DSP) program, these programs can upper from such as MRI machine main control computer Position machine download can loading firmware data to hardware.

Control according to different MRI machine and communication system architecture, the equipment receiving passage can be connected to different total Line, such as PCIe, CAN, Ethernet or other communication bridge.As a rule, host computer is according to specific bus Agreement directly sends to equipment can loading firmware data.

Equipment can be needed to be directly connected to bus in the case of loading firmware data being directly downloaded by bus, and on Position machine is able to access that.If bus speed relatively low (such as CAN), then downloading can the speed of loading firmware data Also can be restricted.

Summary of the invention

In view of this, one aspect of the present invention propose can the method for down loading of loading firmware, on the other hand also proposed and can load The download system of firmware, it is also proposed that use the MR imaging apparatus of this method for down loading and download system.

According to an aspect of the invention, it is provided a kind of can the method for down loading of loading firmware, including:

To can loading firmware data encode, generate digital radio signal pulse, and be applied in a download sequence;

One emitter launches described download sequence to a receptor;

Receptor receives described download sequence, and decodes described download sequence, it is thus achieved that described can loading firmware data.

Alternatively, the method farther includes: before launching described download sequence, sends at the beginning to described receptor The instruction downloaded, described receptor is receiving entrance download state after this starts the instruction downloaded;And/or, connect at receptor After receiving described download sequence, sending, to described receptor, the instruction that a stopping is downloaded, described receptor is receiving this stopping Normal condition is entered after the instruction downloaded.

Alternatively, the described instruction starting to download and/or the instruction of described stopping download being sent by a bus;Or, logical Cross a sequence and send the described instruction starting to download and/or the instruction of described stopping download.

In one embodiment, the most also include: receptor can cache described in loading firmware data write one;Connect During receipts device will cache, data write flash memory, and can loading firmware data described in loading from this flash memory.

Preferably, described download sequence is a service sequences.

According to a further aspect of the invention, it is provided that a kind of can the download system of loading firmware, including:

One main control computer, for can loading firmware data encode, generates digital radio signal pulse, and applies In a download sequence;

One emitter, is used for launching described download sequence;

One receptor, is used for receiving described download sequence, and decodes described download sequence, it is thus achieved that described can loading firmware Data.

Alternatively, described main control computer is additionally operable to before launching described download sequence, sends one to described receptor and opens The instruction that beginning downloads;And/or, after receptor have received described download sequence, send under a stopping to described receptor The instruction carried.Described receptor enters downloading mode after receiving the described instruction starting and downloading, and is receiving described stopping Normal condition is entered after the instruction downloaded.

In one embodiment, described receptor includes an instruction monitoring module, for disappearing of monitoring that described receptor decoded Whether breath includes the described instruction starting to download or the described instruction stopping downloading.

Alternatively, described receptor is additionally operable to loading firmware data to write a caching by described;Data write in caching Flash memory, and can loading firmware data described in loading from this flash memory.

Another further aspect according to the application, it is provided that a kind of MR imaging apparatus, including any one can add as mentioned above Carry the download system of firmware.In the technique scheme of the application, utilize radio-frequency transmissions and the little letter of reception of MRI machine Number passage rather than conventional bus download can loading firmware, thus improve can the speed of download of loading firmware, example As being reduced to 1~5 minute from 30 minutes.

Accompanying drawing explanation

Embodiments of the invention will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that this The above and other feature and advantage of invention, in accompanying drawing:

Fig. 1 be according to one embodiment of the invention can the structural representation of download system of loading firmware, this system is positioned at one In MRI machine.

Fig. 2 be according to another embodiment of the present invention can the schematic flow sheet of method for down loading of loading firmware.

Wherein, reference is as follows:

100: can the download system of loading firmware

110: main control computer

120: emitter

130: receptor

140: scan control module

150: data acquisition and reconstruction module

160:MRI scanner

S210 to S300 be above-mentioned can step in the method for down loading of loading firmware

Detailed description of the invention

In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, the now comparison accompanying drawing explanation present invention Detailed description of the invention, the most identical label represents identical part.

In this article, " schematically " expression " serves as example, example or explanation ", should will not be described herein as Any diagram of " schematically ", embodiment are construed to a kind of preferred or more advantage technical scheme.

For making simplified form, only schematically show part related to the present invention in each figure, they do not represent it Practical structures as product.It addition, so that simplified form readily appreciates, some figure has identical structure or function Parts, only symbolically depict one of them, or only marked one of them.

In this article, " one " not only represents " only this ", it is also possible to represent the situation of " more than one ".? Herein, " first ", " second " etc. are only used for differentiation each other, rather than represent their significance level and order, And the premise etc. existed each other.

Fig. 1 shows according to an embodiment of the invention can the structural representation of download system of loading firmware.With reference to Fig. 1, This download system 100 of loading firmware can include 110, emitter 120 of a main control computer and a receptor 130, and this download system 100 is a part for MRI machine.

Wherein, main control computer 110 is typically the primary user's control station in MRI machine, its usual acquisition operations person input Parameter and instruction, measurement sequencer program etc..Main control computer 110 is the host computer of hardware in MRI machine.In this reality Executing in example, storing in main control computer 110 can the file of loading firmware.

Emitter 120 is a RF small signal process unit, has digital-to-analogue conversion (DAC) module, this DAC Numeral RF pulses switch is analog RF small-signal by module.The output of emitter 120 may be also connected to a RF merit Rate amplifier.

In an embodiment of the present invention, there is a test signal circuit (" Loop ") and be connected to this emitter 120, should Test signal is generally used for system debug.In the present embodiment, it is possible to use this test signal circuit passage realizes receiving Can downloading by loading firmware of device.

Receptor 130 has analog digital conversion (ADC) module, and by analogue signal, (such as MR believes this ADC Number be converted to digital signal), and initial data is sent to a data acquisition and rebuilds module 150.In MRI machine, Receptor 130 is additionally coupled to other parts, such as coil and channel signal routing module.

This can the download system 100 of loading firmware be the part of MRI machine.Fig. 1 also show in mri its Its parts, such as, the scan control module 140 being connected between main control computer 110 and emitter 120, be connected to Data acquisition between main control computer 110 and receptor 130 and reconstruction module 150 and MRI scanner 160.

Wherein, scan control module 140 generally controls its Surrounding Parts during scanning, and explains and performs from master control meter The instruction of calculation machine 110, transmission digital RF (RF)/gradient pulse are to corresponding device.

Data acquisition and reconstruction module 150 receive initial data from receptor 130, and rebuild, finally to be believed Number or MR image.

Also show traditional digital signal communication system in FIG.Main control computer 110 is by scan control module 140 Carrying out encoding and sending message with emitter 120, on the other hand main control computer 110 is by receptor 130 and data acquisition Collection is rebuild module 150 and is received the decode message.Message channel is that return passage or radio channel, such as radio-frequency power are put Big device (RFPA)) the MR signal path of transmitting coil receiving coil.But in an embodiment of the present invention, connect Receive device 130 and can also increase data decoding function such that it is able to directly obtain message.This makes the main control computer 110 can To transmit the information to receptor 130 or be connected with this receptor 130 and utilize this receptor 130 as other of bridge Parts.Receptor 130 to data acquisition and can also rebuild module 150 by modulation initial data, calculates to master control Machine 110 sends message.

In an embodiment of the present invention, in order to realize the method utilizing decoded primary data to download adding of receptor 130 Carrying firmware data, use a special services sequence (might as well be referred to as download sequence), this download sequence can be from emitter 120 Specific RF small-signal is launched to receptor 130.RF pulse shape in this download sequence, in each TR cycle Can be with given digital signal modulated, such as can loading firmware document data flow.

Fig. 2 shows according to an embodiment of the invention can the present method of loading firmware.As in figure 2 it is shown, this download side Method comprises the steps:

In step S210, main control computer 110 reads and can loading firmware data (such as binary data) cache to one In.

In step S220, main control computer 110, to can loading firmware data encode, generates 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 download (begin downloading) at the beginning to receptor 130 Instruction, receptor 130 receive this start download instruction after enter download state.

Further, present embodiments provide by two kinds of embodiments.In one embodiment, there is a low speed Communication link, such as CAN.So, main control computer 110 can be by this CAN to receptor 130 Send the above-mentioned instruction starting and downloading.In another embodiment, main control computer 110 passes through a sequence to receptor 130 send this instruction starting to download.Correspondingly, receptor 130 includes an instruction monitoring module (not shown), Whether the message that the monitoring of this instruction monitoring module is decoded includes the instruction downloaded at the beginning.If the instruction decoded is Effectively start the instruction downloaded, then receptor 130 can entry instruction operational mode, i.e. download state.

In step S240, download sequence is sent to emitter 120 by main control computer 110.

In step s 250, emitter 120 converts digital signals into analogue signal, and modulates on a high frequency, logical Often modulate in MR system frequency.

In step S260, emitter 120 launches corresponding being modulated of download sequence by loop signal to receptor 130 After analog radio-frequency signal.

In step S270, receptor 130 receives the signal that download sequence is corresponding, converts analog signals into digital signal, Obtain initial data.

In step S280, initial data is decoded by receptor 130, obtain can loading firmware data, and write one Caching.

In step S290, main control computer 110 sends, to receptor 130, the instruction that a stopping is downloaded, and receptor is connecing Normal condition is entered from download state after receiving the instruction that this stopping is downloaded.

In step S300, data in caching are write a flash memory by receptor 130, and loading can load solid from this flash memory Number of packages evidence.

In MRI machine, the DAC in the emitter 120 and ADC in receptor 130 has the highest resolution, Usually 16 bits or higher.And service sequences loop uses coaxial cable, almost without noise.The scanning of MRI machine Generally use quadrature amplitude modulation (QAM, Quadrature Amplitude Modulation), leading to of the embodiment of the present invention Letter can also make full use of QAM, thus obtains the highest transmission data rate.

Such as, the symbol rate of system is 1MSPS, if using 1024QAM, then bit rate can reach 10Mbps. If the TR of download sequence is 5ms, and the above-mentioned receptor of each TR 130 gathers 2048 data points, then under Carry speed and be about 4Mbps, the significantly larger than bus of CAN etc.

In view of high rate respectively and noiseless channel, it is possible to use less amplitude switch process, thus obtain higher number According to rate.

Refer again to Fig. 1, another embodiment of the present invention provide a kind of can the download system 100 of loading firmware.This can load solid The download system 100 of part includes: 110, emitter 120 of a main control computer and a receptor 130.

Wherein, main control computer 110, for can loading firmware data encode, generates digital radio signal pulse, And be applied in a download sequence.Main control computer 110 is additionally operable to read before the coding can loading firmware data writing One caching.

Emitter 120 is used for launching download sequence.Such as, emitter 120 converts digital signals into analogue signal, and Modulating on a high frequency, generally modulate in MR system frequency, then emitter 120 passes through loop signal to reception Download sequence launched by device 130.

Receptor 130 is used for receiving download sequence, and decodes download sequence, it is thus achieved that can loading firmware data.Receptor 130 are additionally operable to loading firmware data to write a caching, and then data in caching write a flash memory, and from this flash memory Middle loading can loading firmware data.

Main control computer 110 is additionally operable to, before launching download sequence, send the instruction downloaded at the beginning to receptor 130. Main control computer 110 can also send under a stopping to receptor 130 after receptor 130 have received download sequence The instruction carried.Correspondingly, receptor 130 enters downloading mode after receiving the instruction starting to download, and stops receiving Normal condition is entered after the instruction downloaded.

According to a kind of embodiment, receptor 130 includes an instruction monitoring module, is used for monitoring receptor 130 and is decoded Message whether include starting the instruction downloaded or stop the instruction downloading.

One more embodiment of the present invention, it is provided that a kind of MR imaging apparatus, this MRI machine include above-mentioned any one Can the download system of loading firmware.

This application discloses can the method for down loading of loading firmware and download system, MR imaging apparatus.Wherein, can load The method for down loading of firmware, including: to can loading firmware data encode, generate digital radio signal pulse, and apply In a download sequence;One emitter launches described download sequence to a receptor;Receptor receives described download sequence, And described download sequence is decoded, it is thus achieved that described can loading firmware data.The application utilize the radio-frequency transmissions of MRI machine with Receive small-signal passage rather than conventional bus download can loading firmware, thus improve can the download of loading firmware Speed.

The foregoing is only embodiments of the invention, not in order to limit the present invention, all spirit in the present invention and former Within then, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (10)

1. can the method for down loading of loading firmware, including:
To can loading firmware data encode, generate digital radio signal pulse, and be applied in a download sequence;
One emitter launches described download sequence to a receptor;
Receptor receives described download sequence, and decodes described download sequence, it is thus achieved that described can loading firmware data.
Method the most according to claim 1, wherein, farther includes:
Before launching described download sequence, sending the instruction downloaded at the beginning to described receptor, described receptor is connecing Receive after this starts the instruction downloaded and enter download state;And/or,
After receptor receives described download sequence, send the instruction that a stopping is downloaded, described reception to described receptor Device enters normal condition after receiving the instruction that this stopping is downloaded.
Method the most according to claim 2, wherein, by one bus send described start download instruction and/or The described instruction stopping downloading;Or,
The described instruction starting to download and/or the instruction of described stopping download being sent by a sequence.
Method the most according to claim 1, wherein, the most also includes:
Receptor can cache described in loading firmware data write one;
During receptor will cache, data write flash memory, and can loading firmware data described in loading from this flash memory.
Method the most according to claim 1, wherein, described download sequence is a service sequences.
6. can the download system of loading firmware, including:
One main control computer, for can loading firmware data encode, generates digital radio signal pulse, and applies In a download sequence;
One emitter, is used for launching described download sequence;
One receptor, is used for receiving described download sequence, and decodes described download sequence, it is thus achieved that described can loading firmware Data.
System the most according to claim 6, wherein,
Described main control computer is additionally operable to before launching described download sequence, downloads at the beginning to the transmission of described receptor Instruction;And/or, after receptor have received described download sequence, send, to described receptor, the instruction that a stopping is downloaded;
Described receptor enters downloading mode after receiving the described instruction starting and downloading, and is receiving what described stopping was downloaded Normal condition is entered after instruction.
System the most according to claim 7, wherein, described receptor includes an instruction monitoring module, is used for monitoring Whether the message that described receptor is decoded includes the described instruction starting to download or the described instruction stopping downloading.
System the most according to claim 6, wherein,
Described receptor is additionally operable to loading firmware data to write a caching by described;Data write flash memory in caching, and Can loading firmware data described in loading from this flash memory.
10. a MR imaging apparatus, including just like described in any one in claim 6 to 9 can loading firmware Download system.
CN201510145880.6A 2015-03-31 2015-03-31 Can loading firmware method for down loading and download system, MR imaging apparatus CN106137196B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
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
US20100070966A1 (en) * 2008-09-18 2010-03-18 Mitac Technology Corp. Method for updating firmware of radio frequency identification reader through network 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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
US20100070966A1 (en) * 2008-09-18 2010-03-18 Mitac Technology Corp. Method for updating firmware of radio frequency identification reader through network 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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