CN203385842U - Radio frequency coil debugging device - Google Patents
Radio frequency coil debugging device Download PDFInfo
- Publication number
- CN203385842U CN203385842U CN201320358031.5U CN201320358031U CN203385842U CN 203385842 U CN203385842 U CN 203385842U CN 201320358031 U CN201320358031 U CN 201320358031U CN 203385842 U CN203385842 U CN 203385842U
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- radio
- frequency coil
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Abstract
Disclosed in the utility model is a radio frequency coil debugging device comprising a voltage module for supplying power for radio frequency coil units, current modules for providing power for the radio frequency coil units, and switching modules for mutual switching of the voltage module and the current modules. The number of the current modules is identical with that of the radio frequency coil units; and the number of the voltage module is less than the number of the radio frequency coil units. Because of reduction of the voltage module, the manufacturing cost of the radio frequency coil debugging device is lowered.
Description
[technical field]
The utility model is relevant a kind of radio-frequency coil commissioning device, refers in particular to the radio-frequency coil commissioning device for MR imaging apparatus.
[background technology]
In the prior art, the radio-frequency coil circuit comprise the radio-frequency coil unit, can to the voltage module of radio frequency coil unit power supply, can be to the current module of radio frequency coil unit power supply and the handover module that voltage module and current module are switched mutually, wherein, the number of the number of the number of current module, voltage module and radio-frequency coil unit equates.When needs make the off resonance of radio-frequency coil unit, by handover module, current module is powered to the radio frequency coil unit; When needs make the radio-frequency coil units tune, by handover module, voltage module is powered to the radio frequency coil unit.Due to this radio-frequency coil circuit during fabrication, the number of voltage module is more, has increased the manufacturing cost of radio-frequency coil circuit.
Therefore, necessary a kind of improved radio-frequency coil commissioning device, the defect existed to overcome above-mentioned radio-frequency coil commissioning device of providing.
[utility model content]
The purpose of this utility model is to provide a kind of application scheme that can reduce the radio-frequency coil commissioning device of manufacturing cost.
Radio-frequency coil commissioning device of the present utility model is to be achieved through the following technical solutions: a kind of radio-frequency coil commissioning device, it comprise the radio-frequency coil unit, can to the voltage module of radio frequency coil unit power supply, can be to the current module of radio frequency coil unit power supply and the handover module that voltage module and current module are switched mutually, the number of described current module is identical with the number of radio-frequency coil unit, and the number of described voltage module is less than the number of radio-frequency coil unit.
In a preferred embodiment, described radio-frequency coil commissioning device also comprise when powering with voltage module measurement flow through this radio-frequency coil unit electric current the measurement current module and while powering with current module the flow through measurement electric current of electric current of this radio-frequency coil unit of measurement touch group.
In a preferred embodiment, described measurement current module is positioned at voltage module inside, and described measurement electric current is touched group and is positioned at current module inside and identical with the number of radio-frequency coil unit.
In a preferred embodiment, described radio-frequency coil commissioning device also comprises for starting the flow through startup investigation module of electric current of radio-frequency coil unit of automatic investigation.
In a preferred embodiment, described radio-frequency coil commissioning device also comprise when the electric current of the radio-frequency coil unit of flowing through during for very large exceptional value, for the mark module of this radio-frequency coil unit of mark.
In a preferred embodiment, described very large exceptional value is the current value much larger than normal measurement.
In a preferred embodiment, described radio-frequency coil commissioning device also comprises the display interface of the mark for showing the radio-frequency coil unit.
In a preferred embodiment, the voltage that described voltage module applies is-35V to 0V that the electric current that described current module applies is 0mA to 200mA.
In a preferred embodiment, the voltage that described voltage module applies is-30V that the electric current that described current module applies is 100mA.
In a preferred embodiment, described voltage module is the module that applies constant voltage, and described current module is the module that applies steady current.
Compared with prior art, radio-frequency coil commissioning device of the present utility model is set to 1 by the number adjustment of voltage module, has reduced the manufacturing cost of radio-frequency coil commissioning device.
[accompanying drawing explanation]
Fig. 1 is the module map of the utility model radio-frequency coil commissioning device.
Fig. 2 is the workflow diagram of the utility model radio-frequency coil commissioning device.
[embodiment]
Refer to shown in Fig. 1, the utility model is a kind of radio-frequency coil commissioning device, it comprise radio-frequency coil unit 2, can to the voltage module 11 of radio frequency coil unit 2 power supply, can be to the current module of radio frequency coil unit 2 power supplies and the handover module that voltage module and current module are switched mutually.The number of current module is identical with the number of radio-frequency coil unit 2, and the number of voltage module is one, so can reduce the manufacturing cost of radio-frequency coil commissioning device.
Voltage module is the module that applies constant voltage, and current module is the module that applies steady current, and in other embodiments, the electric current that the voltage that voltage module applies and current module apply can be respectively voltage and the electric current that the continuity change is arranged.The voltage that voltage module applies is-35V to 0V that the electric current that current module applies is 0mA to 200mA.In the present embodiment, the voltage that voltage module applies is-30V that the electric current that current module applies is 100mA.
Radio-frequency coil unit 2 comprises the first radio-frequency coil unit 21, the second radio-frequency coil unit 22, the 3rd radio frequency coil unit 23 and the 4th radio-frequency coil unit 24.In other embodiments, the number of this radio-frequency coil unit 2 can be for any number of.
Current module comprises to the first current module 12 of the first radio-frequency coil unit 21 power supplies, to the second current module 13 of the second radio-frequency coil unit 22 power supplies, to the 3rd current module 14 of the 3rd radio frequency coil unit 23 power supplies and the 4th current module 15 that the 4th radio-frequency coil unit 24 is powered.
Handover module comprises the first handover module 122 that the first current module 12 and voltage module 11 are switched mutually, the second handover module 132 that the second current module 13 and voltage module 11 are switched mutually, the 3rd handover module 142 that the 3rd current module 14 and voltage module 11 are switched mutually and the 4th handover module 152 that the 4th current module 15 and voltage module 11 are switched mutually.Handover module, by current module and voltage module switching, can make corresponding with it radio-frequency coil unit 2 in off resonance or tuning state.
The radio-frequency coil commissioning device also comprise when with voltage module 11 power supply measurement flow through the radio-frequency coil unit electric current measurement current module 111 and while powering with current module the flow through measurement electric current of electric current of radio-frequency coil unit of measurement touch group.Measuring electric current touches group and comprises that being located at first in the first circuit module 12 measures current unit 121, is located at second in second circuit module 13 and measures current unit 131, be located at the 3rd in the 3rd current module 14 and measure current unit 141 and be located at the 4th in the 4th current module 15 and measure current unit 151.First measures current unit 121, second measures current unit 131, the 3rd and measures current unit 141 and the 4th and measure current unit 151 and be respectively used to measure and flow through and its electric current of corresponding the first radio-frequency coil unit 21, the second radio-frequency coil unit 22, the 3rd radio frequency coil unit 23 and the 4th radio-frequency coil unit 24 respectively.
The radio-frequency coil commissioning device also comprise for start automatic investigation flow through the radio-frequency coil unit electric current startup investigation module (not shown), when the electric current of the radio-frequency coil unit of flowing through during for very large exceptional value for the mark module (not shown) of this radio-frequency coil unit of mark and for the display interface (not shown) of the mark that shows the radio-frequency coil unit.When powering by voltage cell, when if flow through, total electric current of all radio-frequency coils unit is for very large exceptional value, investigate module by startup and automatically start the measurement to the electric current of the radio-frequency coil unit 2 of flowing through, so can be automatically and find fast the radio-frequency coil unit of short circuit.In the present embodiment, very large exceptional value is the current value much larger than normal measurement, the current value that this normal current value of measuring can sum up out when operating according to operating personnel.The mark of radio-frequency coil unit can be that the sequence number corresponding with it or other can mean the diagram of this radio-frequency coil element characteristics.
Refer to shown in Fig. 2, in the S201 step, by all radio-frequency coils unit 2 input voltages, make all radio-frequency coils unit all in tuning state.When the total current of the radio-frequency coil unit of flowing through that current module records if measure is very large exceptional value, illustrate that the phenomenon that short circuit is arranged in the radio-frequency coil unit occurs, start the investigation module and start searching the radio-frequency coil unit of short circuit.In the S202 step, by handover module, the radio-frequency coil unit is all switched to the electric current input, make all radio-frequency coils unit all in the off resonance state.In the S203 step, then switching successively radio-frequency coil unit a to voltage inputs, in the present embodiment, can to the order of the 4th radio-frequency coil unit 24, switch by the first radio-frequency coil unit 21, the second radio-frequency coil unit 22, the 3rd radio frequency coil unit 23.If, while executing the electric current of alive radio-frequency coil unit and be very large exceptional value, carry out step S204, this radio-frequency coil unit of mark, then carry out step S205, and it is switched to the electric current input; If, when executing the electric current of alive radio-frequency coil unit and being normal value, directly carry out step S205, it is switched to the electric current input.Judge whether this radio-frequency coil unit is last radio-frequency coil unit, if, carry out step S206, show the radio-frequency coil unit be labeled; If not, return to step S203.Can inquire fast the radio-frequency coil unit of short circuit by said method.
The foregoing is only a kind of embodiment of the present utility model, it not whole or unique embodiment, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model instructions, be claim of the present utility model and contain.
Claims (10)
1. a radio-frequency coil commissioning device, it comprise can to the voltage module of radio frequency coil unit power supply, can be to the current module of radio frequency coil unit power supply and the handover module that voltage module and current module are switched mutually, it is characterized in that: the number of described current module is identical with the number of radio-frequency coil unit, and the number of described voltage module is less than the number of radio-frequency coil unit.
2. radio-frequency coil commissioning device as claimed in claim 1 is characterized in that: described radio-frequency coil commissioning device also comprise when powering with voltage module measurement flow through the radio-frequency coil unit electric current the measurement current module and while powering with current module the flow through measurement electric current of electric current of this radio-frequency coil unit of measurement touch group.
3. radio-frequency coil commissioning device as claimed in claim 2, it is characterized in that: described measurement current module is positioned at the inside of voltage module, described voltage module be one, described measurement electric current is touched group and is positioned at the inside of current module and identical with the number of radio-frequency coil unit.
4. radio-frequency coil commissioning device as claimed in claim 2 is characterized in that: described radio-frequency coil commissioning device also comprises for starting the flow through startup investigation module of electric current of radio-frequency coil unit of automatic investigation.
5. radio-frequency coil commissioning device as described as claim 2 to 4 any one is characterized in that: described radio-frequency coil commissioning device also comprises when the electric current of the radio-frequency coil unit of flowing through during for very large exceptional value, for the mark module of this radio-frequency coil unit of mark.
6. radio-frequency coil commissioning device as claimed in claim 5 is characterized in that: described very large exceptional value is the current value much larger than normal measurement.
7. radio-frequency coil commissioning device as claimed in claim 5, it is characterized in that: described radio-frequency coil commissioning device also comprises the display interface of the mark for showing the radio-frequency coil unit.
8. radio-frequency coil commissioning device as claimed in claim 1 is characterized in that: the voltage that described voltage module applies is-35V to 0V, and the electric current that described current module applies is 0mA to 200mA.
9. radio-frequency coil commissioning device as claimed in claim 8 is characterized in that: the voltage that described voltage module applies is-30V, and the electric current that described current module applies is 100mA.
10. radio-frequency coil commissioning device as claimed in claim 1, it is characterized in that: described voltage module is the module that applies constant voltage, described current module is the module that applies steady current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320358031.5U CN203385842U (en) | 2013-06-21 | 2013-06-21 | Radio frequency coil debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320358031.5U CN203385842U (en) | 2013-06-21 | 2013-06-21 | Radio frequency coil debugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385842U true CN203385842U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320358031.5U Expired - Fee Related CN203385842U (en) | 2013-06-21 | 2013-06-21 | Radio frequency coil debugging device |
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| Country | Link |
|---|---|
| CN (1) | CN203385842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264527A (en) * | 2016-09-14 | 2017-01-04 | 上海联影医疗科技有限公司 | A kind of magnetic resonance radio frequency receiving coil system |
| CN114217253A (en) * | 2021-10-29 | 2022-03-22 | 江苏力磁医疗设备有限公司 | Debugging device and debugging method for radio frequency coil |
-
2013
- 2013-06-21 CN CN201320358031.5U patent/CN203385842U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264527A (en) * | 2016-09-14 | 2017-01-04 | 上海联影医疗科技有限公司 | A kind of magnetic resonance radio frequency receiving coil system |
| CN106264527B (en) * | 2016-09-14 | 2019-07-09 | 上海联影医疗科技有限公司 | A kind of magnetic resonance radio frequency receiving coil system |
| CN114217253A (en) * | 2021-10-29 | 2022-03-22 | 江苏力磁医疗设备有限公司 | Debugging device and debugging method for radio frequency coil |
| CN114217253B (en) * | 2021-10-29 | 2023-12-01 | 江苏力磁医疗设备有限公司 | Debugging device and method for radio frequency coil |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140621 |
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| EXPY | Termination of patent right or utility model |