CN107994802A - A kind of supply unit - Google Patents
A kind of supply unit Download PDFInfo
- Publication number
- CN107994802A CN107994802A CN201711407639.1A CN201711407639A CN107994802A CN 107994802 A CN107994802 A CN 107994802A CN 201711407639 A CN201711407639 A CN 201711407639A CN 107994802 A CN107994802 A CN 107994802A
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- China
- Prior art keywords
- module
- capacitance
- voltage
- electrically connected
- switch module
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
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- Ultra Sonic Daignosis Equipment (AREA)
Abstract
A kind of supply unit provided by the invention remains unchanged characteristic by capacitance both ends pressure difference come the method for quick regulation electric power output voltage value in moment, compared with prior art, without improving limited power supply loop bandwidth, improving the speed that output capacitance is charged or discharged without reducing capacitance；The change speed of output voltage depends entirely on the switch speed of switch module, mechanically or electrically the switch speed of sub switch is far longer than capacitor charge and discharge speed at present, therefore adjustment time used during power supply output different voltages value can be greatly reduced, so as to be significantly reduced the time delay of voltage adjustment.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly to a kind of supply unit for ultrasonic diagnostic equipment.
Background technology
Ultrasonic diagnostic equipment is usually made of ultrasonic host and ultrasonic probe, wherein the positive negative pulse stuffing in ultrasonic host occurs
Device can provide positive negative electric pulses to encourage ultrasonic probe so that ultrasonic probe is generated and transmitted by sound wave；Ultrasonic probe receives tested
It is simultaneously converted into electric impulse signal, ultrasonic host process electric impulse signal, conversion by the internal ultrasonic echo of thing (such as human body)
For ultrasonoscopy.In above process, the impulse amplitude of positive negative electric pulses is different, and impulse amplitude is by the output of supply unit
Magnitude of voltage determines, that is, needs that output voltage values are adjusted according to impulse amplitude；It is understood that voltage, which is adjusted, has one
Fixed delay, and delay can cause impulse amplitude to produce deviation, in turn result in the error of transmitting sound wave, and then influence ultrasonoscopy
Quality.
Fig. 1 shows a kind of structure diagram of power supply common in ultrasonic diagnostic equipment, includes the first power supply mould
Block 1, capacitance C1 and load 4 (such as：Positive negative pulse stuffing generator etc.), the first end 11 of the capacitance C1 is electrically connected to the first power supply
Module 1 and load 4, the second end 12 of the capacitance C1 is electrically connected to systematically GND (i.e. Zero potential reference), it is possible to understand that
It is that the magnitude of voltage of the first end 11 of capacitance C1 is equal to magnitude of voltage of the loading in load 4.When in use, if to improve loading
When loading 4 magnitude of voltage, it is necessary to control the first power module 1 to charge to capacitance C1 until the magnitude of voltage of first end C1 rises to
First preset value；If loading is reduced when loading 4 magnitude of voltage, it is necessary to control the first power module 1 not filled to capacitance C1
Electricity (controlling capacitance C1 to discharge 4 and first power module 1 of load) is until the magnitude of voltage of first end C1 is down to the second preset value；
It is understood that in this process, the time delay of magnitude of voltage adjustment depends entirely on the speed of capacitance C1 discharge and recharges, i.e., sometimes
Waiting can be very long.
Therefore, design a kind of voltage and adjust the short supply unit of time delay, just become a urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of supply unit for ultrasonic diagnostic equipment.
In order to realize the foregoing invention first purpose, an embodiment of the present invention provides a kind of voltage regulator circuit, including
With lower module：Second source module, capacitance and switch module；The first end of the capacitance is electrically connected to input voltage vin and defeated
Go out voltage Vout, the second end of the capacitance is electrically connected to switch module, and the switch module is electrically connected to second source module
Systematically GND, the switch module enable to the second end of capacitance to be electrically connected to second source module and systematically in GND
Any, the output voltage of the second source module is adjustable.
Further as an embodiment of the present invention is improved, and the switch module switchs for mechanical structure.
Further as an embodiment of the present invention is improved, and the switch module switchs for electronic structure.
An embodiment of the present invention provides a kind of power supply for ultrasonic diagnostic equipment, comprising with lower module：It can carry
The first power module and above-mentioned voltage regulator circuit for burning voltage Vo；One end of first power module is electrically connected to
The input voltage vin of the voltage regulator circuit, the other end connect systematically GND.
Further as an embodiment of the present invention is improved, and the magnitude of voltage that first power module can export is permanent
It is fixed.
An embodiment of the present invention provides a kind of ultrasonic diagnostic equipment, including with lower module：Power supply and electric pulse occur
Device；The output voltage Vout of the power supply is electrically connected to the electric pulse generator.
Further as an embodiment of the present invention is improved, and electric pulse generator is positive negative pulse stuffing generator.
An embodiment of the present invention provides a kind of input electricity of the adjustment electric pulse generator for ultrasonic diagnostic equipment
The method of pressure, comprises the following steps：When the ultrasonic diagnostic equipment starts, the second end of capacitance is electrically connected by controlling switch module
It is connected to systematically GND；
When receiving the input voltage adjusted value Vb by the electric pulse generator, by the output electricity of second source module
Pressure is adjusted to △ V=Vb-Vo, and the second end of capacitance is electrically connected to second source module by controlling switch module.
Further as an embodiment of the present invention is improved, further comprising the steps of：Receiving the electric pulse
During the input voltage adjusted value Vc of generator, the output voltage of second source module is adjusted to △ V=Vc-Vo.
An embodiment of the present invention provides a kind of input electricity of the adjustment electric pulse generator for ultrasonic diagnostic equipment
The device of pressure, including with lower module：Starting module, for when the ultrasonic diagnostic equipment starts, controlling switch module is by electricity
The second end of appearance is electrically connected to systematically GND；Module is adjusted, for receiving the input voltage of the electric pulse generator
During adjusted value Vb, the output voltage of second source module is adjusted to △ V=Vb-Vo, and controlling switch module is by the of capacitance
Two ends are electrically connected to second source module.
Relative to the prior art, the technical effects of the invention are that：Supply unit provided in an embodiment of the present invention passes through electricity
Hold both ends pressure difference and the method that characteristic carrys out quick regulation electric power output voltage value is remained unchanged in moment, compared with prior art, do not have to
Improve limited power supply loop bandwidth, improve the speed that output capacitance is charged or discharged without reducing capacitance；Output voltage
Change speed depend entirely on the switch speed of switch module, mechanically or electrically the switch speed of sub switch is far longer than at present
Capacitor charge and discharge speed, therefore regulating time used during power supply output different voltages value can be greatly reduced, so as to pole
The big time delay for reducing voltage adjustment.
Brief description of the drawings
Fig. 1 is the structure diagram of the voltage regulator circuit of the prior art for ultrasonic diagnostic equipment；
Fig. 2 is the structure diagram of the voltage regulator circuit in the embodiment of the present invention one；
Fig. 3 is the structure diagram of the supply unit in the embodiment of the present invention one；
Fig. 4 is the flow diagram of the method for the input voltage of the adjustment electric pulse generator in the embodiment of the present invention two.
Embodiment
Below with reference to each embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not
The limitation present invention, structure that those of ordinary skill in the art are made according to these embodiments, method or change functionally
Change and be all contained in protection scope of the present invention.
The embodiment of the present invention one provides a kind of voltage regulator circuit, as shown in Fig. 2, including with lower module：
Second source module 2, capacitance C1 and switch module 3；The first end 11 of the capacitance C1 is electrically connected to input voltage
The second end 12 of Vin and output voltage Vout, the capacitance C1 are electrically connected to switch module 3, and the switch module 3 is electrically connected to
Second source module 2 and systematically GND, the switch module 3 enable to the second end 12 of capacitance C1 to be electrically connected to the second electricity
Any in source module 2 and systematically GND, the output voltage of the second source module 2 is adjustable.
Here, as shown in figure 3, in actual use, it is necessary to the first power supply mould for being capable of providing burning voltage Vo by one
Block 1 is electrically connected input voltage vin, the other end connection systematically GND, and second source module 2 is another of the first power module 1
One end connects systematically GND；Load 4 is electrically connected output voltage Vout, the other end for loading 4 is electrically connected to systematically GND.
Here, the first power module 1 can be AC-DC converter, storage battery etc., and second source module 2 can be
The adjustable power module of the voltages such as AC-DC converter.
In use, when the second end 12 of capacitance C1 connects systematically GND by switch module 3, load in load 4
The magnitude of voltage (i.e. Vo) of first end 12 of the magnitude of voltage equal to capacitance C1, and keep stablizing；At this time, the output of second source module 2
Voltage is Vb, when the second end 12 of capacitance C1 is connected to second source module 2 by controlling switch module 3, the second of capacitance C1
The voltage at end 12 can produce a variable quantity △ V=Vb-Vo moment, since capacitance C1 has the voltage difference of two endpoints will not
The characteristic of transient change, therefore the magnitude of voltage of the first end 11 of capacitance C1 can also produce an identical variable quantity △ V moments, because
This, the magnitude of voltage loaded in load 4 is just changed into Vo+ △ V, as long as the output voltage of second source module 2 keeps stablizing, then loads
It can also keep stable in the magnitude of voltage of load 4；It can be seen that during this, capacitance C1 does not pass through slow charge and discharge process, and
It is to be achieved that to allow loading in the magnitude of voltage quick regulation of load 4 and the function of stable output by above-mentioned capacitance characteristic.With this
It is similar, when the second end 12 of capacitance C1 is connected to second source module 2 by switch module 3, if control controlling switch module 3
The second end 12 of capacitance C1 is connected to systematically GND, then the magnitude of voltage loaded at this time in load 4 can also occur and the above situation
Similar change.
In conclusion adjusting the time it takes of magnitude of voltage of the loading in load 4 depends on the switching of switch module 3
Speed, it is to be understood that the switch speed usually switched is faster than capacitor charge and discharge speed, therefore can greatly reduce power supply
Adjustment time used when exporting different voltages value, this application to ultrasonic high speed scanning image, has very positive meaning.
Preferably, the switch module 3 switchs for mechanical structure.
Preferably, the switch module 3 switchs for electronic structure.
The embodiment of the present invention additionally provides a kind of power supply for ultrasonic diagnostic equipment, comprising with lower module：
It is capable of providing the first power module 1 of burning voltage Vo and above-mentioned voltage regulator circuit；First power module 1
One end be electrically connected to the input voltage vin of the voltage regulator circuit, other end connection systematically GND.
Preferably, the voltage value constant that first power module 1 can export.
The embodiment of the present invention additionally provides a kind of ultrasonic diagnostic equipment, including with lower module：Above-mentioned power supply and electric pulse hair
Raw device；The output voltage Vout of the power supply is electrically connected to the electric pulse generator.
Preferably, electric pulse generator is positive negative pulse stuffing generator.
The embodiment of the present invention two provides a kind of side of the input voltage of the adjustment electric pulse generator for Ultrasonic Diagnosis
Method, comprises the following steps：
Step 401：When the ultrasonic diagnostic equipment starts, the second end 12 of capacitance C1 is electrically connected by controlling switch module 3
It is connected to systematically GND；
Step 402：When receiving the input voltage adjusted value Vb by the electric pulse generator, by second source module
2 output voltage is adjusted to △ V=Vb-Vo, and the second end 12 of capacitance C1 is electrically connected to second source by controlling switch module 3
Module 2.
Here, the method for the input voltage of the adjustment electric pulse generator can be by the control system in the ultrasonic diagnostic equipment
Unite to realize.In step 401 and 402, the adjusting the time it takes for loading the magnitude of voltage in load 4 depends on switching molding
The switch speed of block 3, it is to be appreciated that the switch speed usually switched is faster than capacitor charge and discharge speed, therefore can be great
Adjustment time used when reducing power supply output different voltages value, this application to ultrasonic high speed scanning image, has very long-pending
The meaning of pole.
Preferably, it is further comprising the steps of：Step 403, receiving the input voltage tune of the electric pulse generator
During whole value Vc, the output voltage of second source module 2 is adjusted to △ V=Vc-Vo.Here, in step 403, load negative
Carry speed of the speed of the adjusting of 4 voltage depending on the adjustment of the output voltage of second source module 2, therefore, second source
Module 2 can adjust faster power module using voltage.
A kind of device of the input voltage of adjustment electric pulse generator for ultrasonic diagnostic equipment of the embodiment of the present invention, bag
Include with lower module：
Starting module, for when the ultrasonic diagnostic equipment starts, controlling switch module 3 is by the second end 12 of capacitance C1
It is electrically connected to systematically GND；
Module is adjusted, for when receiving the input voltage adjusted value Vb by the electric pulse generator, by the second electricity
The output voltage of source module 2 is adjusted to △ V=Vb-Vo, and the second end 12 of capacitance C1 is electrically connected to by controlling switch module 3
Two power modules 2.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
A independent technical solution, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of voltage regulator circuit, it is characterised in that including with lower module：
Second source module, capacitance and switch module；The first end of the capacitance is electrically connected to input voltage vin and output voltage
Vout, the second end of the capacitance are electrically connected to switch module, and the switch module is electrically connected to second source module and system
Ground GND, the switch module enable to the second end of capacitance to be electrically connected to second source module and systematically any in GND,
The output voltage of the second source module is adjustable.
2. voltage regulator circuit according to claim 1, it is characterised in that：
The switch module switchs for mechanical structure.
3. voltage regulator circuit according to claim 1, it is characterised in that：
The switch module switchs for electronic structure.
4. a kind of power supply for ultrasonic diagnostic equipment, it is characterised in that comprising with lower module：
It is capable of providing the first power module of burning voltage Vo and the voltage regulator circuit of any one of claim 1-3；
One end of first power module is electrically connected to the input voltage vin of the voltage regulator circuit, other end connection system
System ground GND.
5. power supply according to claim 4, it is characterised in that：
The voltage value constant that first power module can export.
6. a kind of ultrasonic diagnostic equipment, it is characterised in that including with lower module：
Power supply and electric pulse generator described in claim 4 or 5；The output voltage Vout of the power supply is electrically connected to the electricity
Impulse generator.
7. ultrasonic diagnostic equipment according to claim 6, it is characterised in that：
Electric pulse generator is positive negative pulse stuffing generator.
8. a kind of method of the input voltage of the adjustment electric pulse generator of ultrasonic diagnostic equipment being used in claim 6 or 7,
It is characterised in that it includes following steps：
When the ultrasonic diagnostic equipment starts, the second end of capacitance is electrically connected to systematically GND by controlling switch module；
When receiving the input voltage adjusted value Vb by the electric pulse generator, by the output voltage tune of second source module
It is whole to △ V=Vb-Vo, and the second end of capacitance is electrically connected to second source module by controlling switch module.
9. it is according to claim 8 adjustment electric pulse generator input voltage method, it is characterised in that further include with
Lower step：
When receiving the input voltage adjusted value Vc by the electric pulse generator, by the output voltage tune of second source module
It is whole to △ V=Vc-Vo.
A kind of 10. dress of the input voltage of the adjustment electric pulse generator of ultrasonic diagnostic equipment being used in claim 6 or 7
Put, it is characterised in that including with lower module：
Starting module, for when the ultrasonic diagnostic equipment starts, the second end of capacitance to be electrically connected to by controlling switch module
Systematically GND；
Module is adjusted, for when receiving the input voltage adjusted value Vb by the electric pulse generator, by second source mould
The output voltage of block is adjusted to △ V=Vb-Vo, and the second end of capacitance is electrically connected to second source mould by controlling switch module
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407639.1A CN107994802A (en) | 2017-12-22 | 2017-12-22 | A kind of supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407639.1A CN107994802A (en) | 2017-12-22 | 2017-12-22 | A kind of supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107994802A true CN107994802A (en) | 2018-05-04 |
Family
ID=62042543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711407639.1A Pending CN107994802A (en) | 2017-12-22 | 2017-12-22 | A kind of supply unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN107994802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111053975A (en) * | 2020-01-03 | 2020-04-24 | 创领心律管理医疗器械（上海）有限公司 | Cardiac pacing device, storage medium, power supply apparatus, and output voltage control method |
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| CN1518958A (en) * | 2003-02-06 | 2004-08-11 | GEҽ��ϵͳ����������˾ | Supersonic diagnostic appts. |
| US20080238532A1 (en) * | 2007-03-30 | 2008-10-02 | Satoshi Hanazawa | Semiconductor integrated circuit device |
| CN101632984A (en) * | 2008-07-24 | 2010-01-27 | Ge医疗系统环球技术有限公司 | Voltage generator circuit and ultrasonic diagnostic equipment |
| CN102688069A (en) * | 2011-02-04 | 2012-09-26 | Ge医疗系统环球技术有限公司 | Ultrasonic image display apparatus power circuit and ultrasonic image display apparatus |
| CN105871183A (en) * | 2015-01-19 | 2016-08-17 | 台达电子工业股份有限公司 | High-voltage medical power supply device and control method thereof |
-
2017
- 2017-12-22 CN CN201711407639.1A patent/CN107994802A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518958A (en) * | 2003-02-06 | 2004-08-11 | GEҽ��ϵͳ����������˾ | Supersonic diagnostic appts. |
| US20080238532A1 (en) * | 2007-03-30 | 2008-10-02 | Satoshi Hanazawa | Semiconductor integrated circuit device |
| CN101632984A (en) * | 2008-07-24 | 2010-01-27 | Ge医疗系统环球技术有限公司 | Voltage generator circuit and ultrasonic diagnostic equipment |
| CN102688069A (en) * | 2011-02-04 | 2012-09-26 | Ge医疗系统环球技术有限公司 | Ultrasonic image display apparatus power circuit and ultrasonic image display apparatus |
| CN105871183A (en) * | 2015-01-19 | 2016-08-17 | 台达电子工业股份有限公司 | High-voltage medical power supply device and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111053975A (en) * | 2020-01-03 | 2020-04-24 | 创领心律管理医疗器械（上海）有限公司 | Cardiac pacing device, storage medium, power supply apparatus, and output voltage control method |
| CN111053975B (en) * | 2020-01-03 | 2023-09-29 | 创领心律管理医疗器械（上海）有限公司 | Cardiac pacing device, storage medium, power supply device, and output voltage control method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |
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| RJ01 | Rejection of invention patent application after publication |