CN105553069A - Auxiliary power supply device of computer tomography (CT) system - Google Patents
Auxiliary power supply device of computer tomography (CT) system Download PDFInfo
- Publication number
- CN105553069A CN105553069A CN201610051755.3A CN201610051755A CN105553069A CN 105553069 A CN105553069 A CN 105553069A CN 201610051755 A CN201610051755 A CN 201610051755A CN 105553069 A CN105553069 A CN 105553069A
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- Prior art keywords
- power supply
- high voltage
- contactor
- signal output
- auxiliary power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an auxiliary power supply device of a computer tomography (CT) system. The auxiliary power supply device comprises a charging controller, a supercapacitor bank, a DC boost circuit, a DC contactor, a high-voltage power control panel, a high-voltage control plate and a high-voltage generator, wherein the input end of the charging controller is connected with a power supply, the output end of the charging controller is connected with the input end of the supercapacitor bank, the control end of the charging controller is connected with the signal output end of the high-voltage power control panel, the output end of the supercapacitor bank is connected with the input end of the DC boost circuit, the output end of the DC boost circuit is connected with the input end of the DC contactor, the output end of the DC contactor is connected with the input end of the high-voltage generator, the control end of the DC contactor is connected with the signal output end of the high-voltage power control panel, the control end of the high-voltage power control panel is connected with the signal output end of the high-voltage control plate, and the control end of the high-voltage controller is connected with the signal output end of the high-voltage control panel. By the auxiliary power supply device, the demand of the CT system on externally-supplied power can be reduced.
Description
Technical field
The present invention relates to the electric supply installation of CT system, be specifically related to a kind of auxiliary power supply of CT system.
Background technology
Computed tomograph scanner system (CT) is as a large-scale checkout equipment, and its maximum power dissipation is generally more than tens kilowatts.And common wall socket is powered generally at 4 kilowatts (220 volts, 20 amperes) below.This just requires that, when arranging the environment for use of CT system, needing separately is the supply line that CT system layout is enough.And in fact CT system not remains at so high level to the consumption of electric power.Several parts that wherein power consumption is maximum: the power consumption of ray generator, electric rotating machine and scanning bed motion motor accounts for more than 90% of total system power consumption.And these several large parts have a common feature to be exactly all be in intermittent operation.Its time working clearance is than being usually less than 1:10.And wherein power consumption maximum be account for the ray generator of system power dissipation more than 70%, wherein time working clearance is than even usually reaching 1:100.
Summary of the invention
The object of this invention is to provide a kind of auxiliary power supply of CT system, carry out accumulation of energy by super capacitor group, power for large power consumption components when needed, the power demands of CT system can be made to be reduced to less than 2 kilowatts.Need conventional wall to power with this and can meet the power demands of CT system, and do not need to supply electrical wiring especially.
The object of the invention is to be realized by following technical proposals: a kind of auxiliary power supply of CT system, comprise charge controller, super capacitor group, DC voltage booster circuit, D.C. contactor, high voltage source control board, high voltage control plate, high pressure generator, the input of described charge controller is connected with power supply, the output of described charge controller is connected with the input of described super capacitor group, and the control end of described charge controller is connected with the signal output part of described high voltage source control board; The output of described super capacitor group is connected with the input of described DC voltage booster circuit, the output of described DC voltage booster circuit is connected with the input of described D.C. contactor, the output of described D.C. contactor is connected with the input of described high pressure generator, the control end of described D.C. contactor is connected with the signal output part of described high voltage source control board, the control end of described high voltage source control board is connected with the signal output part of described high voltage control plate, and the control end of described high pressure generator is connected with the signal output part of described high voltage control plate.
For above-mentioned auxiliary power supply, in a kind of possible implementation, set temperature watch-dog in described charge controller.
For above-mentioned auxiliary power supply, in a kind of possible implementation, the signal output part of described high voltage control plate is connected with the control end of described CT system.
For above-mentioned auxiliary power supply, in a kind of possible implementation, described super capacitor group is made up of multiple double electric layer capacitor.
The present invention compared with prior art tool has the following advantages:
The present invention, by the energy storage of super capacitor group, greatly reduces the demand that CT system external portion powers, and make CT machine use small-power externally fed to become possibility, the environment for use of carrying out packaged type CT design and expansion CT for next step has paved road.
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of present pre-ferred embodiments.
Embodiment
Exemplary embodiment of the present invention, characteristic sum aspect is described in detail below with reference to accompanying drawing.The same or analogous element of Reference numeral presentation function identical in accompanying drawing.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
In addition, in order to better the present invention is described, in embodiment hereafter, give numerous details.It will be appreciated by those skilled in the art that do not have some detail, the present invention can implement equally.The method known for those skilled in the art, means, element and circuit are not described in detail, so that highlight purport of the present invention.
See Fig. 1, a kind of auxiliary power supply of CT system, comprise charge controller 1, super capacitor group 2, DC voltage booster circuit 3, D.C. contactor 4, high voltage source control board 5, high voltage control plate 6, high pressure generator 7, the input of described charge controller is connected with power supply 8, the output of described charge controller is connected with the input of described super capacitor group, and the control end of described charge controller is connected with the signal output part of described high voltage source control board; The output of described super capacitor group is connected with the input of described DC voltage booster circuit, the output of described DC voltage booster circuit is connected with the input of described D.C. contactor, the output of described D.C. contactor is connected with the input of described high pressure generator, the control end of described D.C. contactor is connected with the signal output part of described high voltage source control board, the control end of described high voltage source control board is connected with the signal output part of described high voltage control plate, and the control end of described high pressure generator is connected with the signal output part of described high voltage control plate.
In the present embodiment, described charge controller 1 converts the 220V alternating current that power supply exports to 105V direct current, and the charging sequential of described super capacitor group 2 uses the pattern of first constant current constant voltage again.DC voltage booster circuit 3 meets for being converted to by the output voltage of super capacitor group 2 magnitude of voltage that high pressure generator 7 inputs demand.D.C. contactor 4 is for controlling the output of super capacitor group.High pressure generator is the universal component of CT system, belongs to prior art.
Described high voltage source control board (HPCB) 5 controls the discharge and recharge of super capacitor group according to the order of described high voltage control plate (HVCB) 6, high voltage control plate 6 is before high pressure generator 7 is started working, read the magnitude of voltage of the super capacitor group that high voltage source control board 5 feeds back, and judge whether to meet this electric energy needed for CT system works, if meet the electric energy needed for CT system works, order high voltage source control board control charge controller 1 stops the charging to super capacitor group, simultaneously high voltage source control board controls described D.C. contactor 4 and works, super capacitor group is discharged, by power delivery to high pressure generator 7, high voltage control plate 6 controls high pressure generator provides suitable electric energy to highly energy-consuming parts, as ray generator.
Further, the signal output part of described high voltage control plate 6 is connected with the control end of described CT system.At the magnitude of voltage of the super capacitor group that high voltage source control board 5 feeds back, during through judging the electric energy do not met needed for this CT system works, then sent the work stopping these highly energy-consuming parts to CT control system by high voltage control plate.
When non-CT scan, super capacitor group carries out energy storage, and high power components is in low consumption holding state, and system relies on externally fed support.When carrying out CT scan, low-power consumption parts still have externally fed support, and high power consumption components turns and carries out high-power power supply support in short-term by auxiliary power supply.After CT scan terminates, high power consumption components goes back to holding state, and super capacitor group enters energy storage state, waits for CT scan next time.
Further, set temperature watch-dog in described charge controller 1.The temperature of temperature monitor Real-Time Monitoring super capacitor group 2, avoids super capacitor group overheated.
More specifically, described super capacitor group 2 is made up of multiple double electric layer capacitor.Double electric layer capacitor has power density large (300W/KG), capacity large (1000F), and discharging current large (100A), the characteristics such as low internal resistance (20m Ω), are suitable for quick accumulation of energy, the occasions such as high-power output.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (4)
1. the auxiliary power supply of a CT system, it is characterized in that: comprise charge controller, super capacitor group, DC voltage booster circuit, D.C. contactor, high voltage source control board, high voltage control plate, high pressure generator, the input of described charge controller is connected with power supply, the output of described charge controller is connected with the input of described super capacitor group, and the control end of described charge controller is connected with the signal output part of described high voltage source control board; The output of described super capacitor group is connected with the input of described DC voltage booster circuit, the output of described DC voltage booster circuit is connected with the input of described D.C. contactor, the output of described D.C. contactor is connected with the input of described high pressure generator, the control end of described D.C. contactor is connected with the signal output part of described high voltage source control board, the control end of described high voltage source control board is connected with the signal output part of described high voltage control plate, and the control end of described high pressure generator is connected with the signal output part of described high voltage control plate.
2. auxiliary power supply according to claim 1, is characterized in that: set temperature watch-dog in described charge controller.
3. auxiliary power supply according to claim 1 and 2, is characterized in that: the signal output part of described high voltage control plate is connected with the control end of described CT system.
4. auxiliary power supply according to claim 1 and 2, is characterized in that: described super capacitor group is made up of multiple double electric layer capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051755.3A CN105553069A (en) | 2016-01-26 | 2016-01-26 | Auxiliary power supply device of computer tomography (CT) system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051755.3A CN105553069A (en) | 2016-01-26 | 2016-01-26 | Auxiliary power supply device of computer tomography (CT) system |
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| Publication Number | Publication Date |
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| CN105553069A true CN105553069A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610051755.3A Pending CN105553069A (en) | 2016-01-26 | 2016-01-26 | Auxiliary power supply device of computer tomography (CT) system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688535A (en) * | 2020-12-30 | 2021-04-20 | 上海联影医疗科技股份有限公司 | Power-on control system |
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| US6169782B1 (en) * | 1998-03-25 | 2001-01-02 | Siemens-Elema Ab | X-ray system with internal power supply including battery power and capacitively stored power |
| CN1449085A (en) * | 2003-05-13 | 2003-10-15 | 长沙交通学院 | Accumulator, super capacitor charge-discharge equalizing method and equipment |
| CN101492016A (en) * | 2009-01-14 | 2009-07-29 | 河北工业大学 | Electric motor car control device and method with super capacitance adapter |
| JP2011076135A (en) * | 2009-09-29 | 2011-04-14 | Toshiba Corp | Power supply control device, electronic apparatus, and power supply control method |
| CN102340182A (en) * | 2010-07-28 | 2012-02-01 | 上海西门子医疗器械有限公司 | Power system supplying power to medical imaging system |
| CN203800685U (en) * | 2014-03-04 | 2014-08-27 | 厦门高瑞特电气自动化有限公司 | Power supply module of microcomputer protection device |
| CN205335954U (en) * | 2016-01-26 | 2016-06-22 | 赛诺威盛科技（北京）有限公司 | Supplementary power supply unit of CT system |
-
2016
- 2016-01-26 CN CN201610051755.3A patent/CN105553069A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6169782B1 (en) * | 1998-03-25 | 2001-01-02 | Siemens-Elema Ab | X-ray system with internal power supply including battery power and capacitively stored power |
| CN1449085A (en) * | 2003-05-13 | 2003-10-15 | 长沙交通学院 | Accumulator, super capacitor charge-discharge equalizing method and equipment |
| CN101492016A (en) * | 2009-01-14 | 2009-07-29 | 河北工业大学 | Electric motor car control device and method with super capacitance adapter |
| JP2011076135A (en) * | 2009-09-29 | 2011-04-14 | Toshiba Corp | Power supply control device, electronic apparatus, and power supply control method |
| CN102340182A (en) * | 2010-07-28 | 2012-02-01 | 上海西门子医疗器械有限公司 | Power system supplying power to medical imaging system |
| CN203800685U (en) * | 2014-03-04 | 2014-08-27 | 厦门高瑞特电气自动化有限公司 | Power supply module of microcomputer protection device |
| CN205335954U (en) * | 2016-01-26 | 2016-06-22 | 赛诺威盛科技（北京）有限公司 | Supplementary power supply unit of CT system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688535A (en) * | 2020-12-30 | 2021-04-20 | 上海联影医疗科技股份有限公司 | Power-on control system |
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