CN205959943U - Wide power input X -ray tube rotary anode drive arrangement - Google Patents
Wide power input X -ray tube rotary anode drive arrangement Download PDFInfo
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- CN205959943U CN205959943U CN201620933353.1U CN201620933353U CN205959943U CN 205959943 U CN205959943 U CN 205959943U CN 201620933353 U CN201620933353 U CN 201620933353U CN 205959943 U CN205959943 U CN 205959943U
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Abstract
The utility model discloses a wide power input X -ray tube rotary anode drive arrangement, including full -bridge contravariant module and motor, the motor includes stator winding and rotor, the positive pole target surface is connected to the rotor, stator winding includes main winding and secondary winding, the one end that starts electric capacity C1 is connected to the free end of main winding, the free end of secondary winding is connected to the other end that starts electric capacity C1, the free end of secondary winding, full -bridge contravariant module is connected respectively to the common port of major -minor winding, direct current input module is still connected to full -bridge contravariant module, direct current input module connects rectifier module, rectifier module is equipped with AC input. The utility model discloses can match the conventional multiple power supply modes such as single -phase commercial power, two -phase alternating current, three -phase alternating current and direct current battery of X ray equipment, effectively reduce the loss of middle energy, also reduce the cost and the fault rate of X ray equipment.
Description
Technical field
This utility model is related to electron medical treatment field, and more particularly to a kind of wide power input X ray tube rotary anode drives
Dynamic device.
Background technology
At present, in the bulb of the medical X-ray machine equipment in electron medical treatment field, according to the difference requirement of exposure power,
There are fixed anode and rotating anode bulb.In, the X-ray tube of the large-scale power power in exposure higher, need anode target surface
Rotate and avoid hot-spot and melt.X ray tube rotary anode target surface is driven by the rotor of the asynchronous machine being attached thereto.
But different X-ray machine equipments because, the reason use occasion, power supply has very big difference, substantially has three-phase
Four-wire system, three-phase three-wire system, single phase power supply, battery are powered several.As shown in figure 1, X-ray production apparatus system adopts accumulator battery to supply
Electricity, needing to first pass through inverter inversion becomes the power supply of alternating current 220V, then is input in converter, drives rotating anode to rotate.
Under different power supply modes, the device that the rotating anode of needs drives is different, brings the converter of different model, transformator, inversion
Device uses, and increased intermediate energy loss, also increases cost and the fault rate of system.
Utility model content
Utility model purpose：The purpose of this utility model is that offer is a kind of can solve the problem that defect present in prior art
Wide power inputs X ray tube rotary anode driving means.
Technical scheme：Wide power described in the utility model inputs X ray tube rotary anode driving means, inverse including full-bridge
Become module and motor, motor includes stator winding and rotor, rotor jointed anode target surface, stator winding include main winding and secondary around
Group, the free end of main winding connects one end of start-up capacitance C1, and the other end of start-up capacitance C1 connects the free end of auxiliary winding, secondary
The free end of winding, the common port of major-minor winding connect full-bridge inverting module respectively, and full-bridge inverting module is also connected with direct current input
Module, direct current input module connects rectification module, and rectification module is provided with ac input end.
Further, in order to meet the demand starting the larger X-ray tube of voltage, driving means of the present utility model also include
Boosting rectifier control module, boosting rectifier control module connects direct current input module and full-bridge inverting module respectively.
Further, described boosting rectifier control module includes insulated gate bipolar transistor T5, insulated gate bipolar transistor T5
Grid input pwm signal, the drain electrode of insulated gate bipolar transistor T5 connects one end of energy storage inductor L1, energy storage inductor L1's
The other end connects direct current input module, and the source electrode of insulated gate bipolar transistor T5 connects one end of filter capacitor EC1, filtered electrical
The other end holding EC1 connects the negative electrode of unidirectional controllable silicon S CR1, and the negative electrode of unidirectional controllable silicon S CR1 is also connected with full-bridge inverting module,
The anode of unidirectional controllable silicon S CR1 connects the drain electrode of insulated gate bipolar transistor T5, the control pole input of unidirectional controllable silicon S CR1
Control signal.Wherein, unidirectional controllable silicon S CR1 can not only play the effect preventing filter capacitor EC1 reverse irrigated current moreover it is possible to control
The charging of filter capacitor EC1, it is to avoid charging current is excessive, saves the electric capacity charging delay protection electricity of resistance and relay composition
Road.And, by the dutycycle of the grid input signal of regulation insulated gate bipolar transistor T5 so that adopting alternating current power supply
During power supply, AC input current waveform can follow the tracks of AC input voltage waveform, thus reducing the distortion of current waveform, reduces electricity
The harmonic wave of net, improves power factor.Additionally, the duty of the grid input signal by adjusting insulated gate bipolar transistor T5
Ratio, moreover it is possible to make the voltage that boosting rectifier control module exports reach the voltage requiring when rotating anode starts, is particularly adopting electric power storage
The output voltage of boosting rectifier control module when pond module is powered, can be effectively improved.
Further, also include sampling module, sampling resistor R1, sampling resistor R2, sampling resistor R3, sampling resistor R4 and adopt
The other end of sample resistance R5, described energy storage inductor L1 connects one end of sampling resistor R1, and one end of sampling resistor R1 connects sampling
One end of resistance R2, the other end of sampling resistor R2 connects one end of sampling resistor R3, and the other end of sampling resistor R3 connects absolutely
The source electrode of edge grid bipolar transistor T5, is provided with the first sampled point, sampling resistor R3 between sampling resistor R1 and sampling resistor R2
The other end be provided with the 3rd sampled point, one end of sampling resistor R5 connects one end of filter capacitor EC1, and sampling resistor R5's is another
End connects one end of sampling resistor R4, and the other end of sampling resistor R4 connects the negative electrode of unidirectional controllable silicon S CR1, sampling resistor R4
It is provided with the second sampled point and sampling resistor R5 between, the first sampled point, the second sampled point and the 3rd sampled point connect sampling respectively
Module.Wherein, the voltage of the first sampled point is DC input voitage, and the voltage of the second sampled point is VD,
The electric current of the 3rd sampled point is DC bus current.So can by sampling module detect the first sampled point voltage, the
The voltage of two sampled points and the electric current of the 3rd sampled point, the then sampled result regulation insulated gate bipolar according to these three sampled points
The dutycycle of the grid input signal of transistor npn npn T5 so that when being powered using alternating current power supply, AC input current waveform energy
Enough following the tracks of AC input voltage waveform, thus reducing the distortion of current waveform, reducing the harmonic wave of electrical network, improve power factor.
Further, sampling module and sampling resistor R6 are also included, one end of sampling resistor R6 connects the public of major-minor winding
End, the other end of sampling resistor R6 connects full-bridge inverting module, and one end of sampling resistor R6 is additionally provided with the 4th sampled point, and the 4th adopts
Sampling point connects sampling module.The electric current of the 4th sampled point so can be detected by sampling module, according to the electricity of the 4th sampled point
Stream adjusts the grid input signal in full-bridge inverting module.
Further, described rectification module includes rectifier bridge DB1 and rectifier bridge DB2, the ac input end of rectifier bridge DB1 and whole
The ac input end of stream bridge DB2 is as the ac input end of rectification module.
Further, described direct current input module includes accumulator module E1, relay K1 and energy storage inductor L2, accumulator mould
The positive pole of group E1 connects the normally opened contact of relay K1 controlled end, and the movable contact of relay K1 controlled end connects energy storage inductor L2's
One end, the other end of energy storage inductor L2 connects rectification module and full-bridge inverting module respectively, and the negative pole of accumulator module E1 is respectively
Connect rectification module and full-bridge inverting module.
Beneficial effect：Device of the present utility model comprises rectification module and direct current input module, being capable of matching X-ray equipment
Multiple power supply modes such as the single-phase civil power of routine, two-phase alternating current, three-phase alternating current and direct-flow storage battery, circuit structure letter
List is it is not necessary to using the converter of different model, transformator and inverter, effectively reducing the loss of intermediate energy, also reduce
The cost of X-ray equipment and fault rate.
Brief description
Fig. 1 is the circuit diagram of rotating anode driving means of the prior art；
Fig. 2 is the circuit diagram of the rotating anode driving means of specific embodiment of the present utility model；
Fig. 3 is that the rectification module of specific embodiment of the present utility model adopts wiring during single-phase ac power supply to illustrate
Figure；
Fig. 4 is that the rectification module of specific embodiment of the present utility model adopts wiring during two-phase AC traction power supply to illustrate
Figure.
Specific embodiment
With reference to the accompanying drawings and detailed description, the technical solution of the utility model is further introduced.
This specific embodiment discloses a kind of wide power input X ray tube rotary anode driving means, as shown in Fig. 2
Including rectification module 2, direct current input module 3, boosting rectifier control module 4, full-bridge inverting module 1, start-up capacitance C1, sampling resistor
R6, rotating anode 5, data processing module 7, sampling module 8, storage chip 9, accessory power supply 10, Upper machine communication module 12 and
Host computer 11.
Wherein, rectification module 2 includes rectifier bridge DB1 and rectifier bridge DB2, the ac input end of rectifier bridge DB1 and rectifier bridge
The ac input end of DB2 is as the ac input end of rectification module 2.Because rectifier bridge DB1 and rectifier bridge DB2 is respectively provided with two
Ac input end, therefore can meet the access of multiple alternating current power supply such as single-phase civil power, two-phase alternating current and three-phase alternating current.Figure
3 give using wiring schematic diagram during single-phase ac power supply, from the figure 3, it may be seen that the exchange that live wire accesses rectifier bridge DB1 is defeated
Enter end, zero line accesses another ac input end of rectifier bridge DB1.Fig. 4 is given and is shown using wiring during two-phase AC traction power supply
It is intended to, as shown in Figure 4, two live wires have been respectively connected to two ac input ends of rectifier bridge DB1.
Direct current input module 3 includes accumulator module E1, relay K1 and energy storage inductor L2, the positive pole of accumulator module E1
Connect the normally opened contact of relay K1 controlled end, the movable contact of relay K1 controlled end connects one end of energy storage inductor L2, energy storage
The other end of inductance L2 connects rectification module 2 and full-bridge inverting module 1 respectively, and the negative pole of accumulator module E1 connects rectification respectively
Module 2 and full-bridge inverting module 1.Wherein, relay K1 is controlled, according to X-ray production apparatus condition of power supply by data processing module 7
Difference, chooses whether to access accumulator module E1.Energy storage inductor L2 is in order that accumulator module E1 is in power supply, can be for rising
Pressure control module 4 exports high pressure and provides enough energy storage.
Why this utility model introduces boosting rectifier control module, is because that traditional rotating anode is driven using converter
Dynamic, the maximum voltage of output is equal to converter input voltage, and the startup voltage of some X-ray tube demands is larger, exceedes routine
220V or 380V of civil power input, therefore cannot meet the rotating anode effect of quick startup.Boosting rectifier control module 4 includes insulating
The grid input signal of grid bipolar transistor T5, insulated gate bipolar transistor T5 is produced by data processing module 7, insulated gate
The drain electrode of bipolar transistor T5 connects one end of energy storage inductor L1, and the other end of energy storage inductor L1 connects direct current input module 3,
The other end of energy storage inductor L1 is also connected with one end of sampling resistor R1, and the other end of sampling resistor R1 connects the one of sampling resistor R2
End, the other end of sampling resistor R2 connects one end of sampling resistor R3, and the other end of sampling resistor R3 connects insulated gate bipolar
The source electrode of transistor T5.It is provided with the first sampled point 41, the other end of sampling resistor R3 between sampling resistor R1 and sampling resistor R2
It is provided with the 3rd sampled point 43.The drain electrode of insulated gate bipolar transistor T5 is also connected with the anode of unidirectional controllable silicon S CR1, unidirectional can
The negative electrode of control silicon SCR1 connects the other end of filter capacitor EC1, and the control signal of the control pole of unidirectional controllable silicon S CR1 is by data
Processing module 7 produces, the source electrode of one end connection insulated gate bipolar transistor T5 of filter capacitor EC1, and the one of filter capacitor EC1
End is also connected with one end of sampling resistor R5, and the other end of sampling resistor R5 connects one end of sampling resistor R4, sampling resistor R4's
The other end connects the negative electrode of unidirectional controllable silicon S CR1.It is provided with the second sampled point 42 between sampling resistor R4 and sampling resistor R5.The
One sampled point 41, the second sampled point 42 and the 3rd sampled point 43 connect sampling module 8 respectively, and sampling module 8 is to the first sampled point
The electric current of 41 voltage, the voltage of the second sampled point 42 and the 3rd sampled point 43 is sampled, data processing module 7 according to this three
The sampled result of individual sampled point adjusts the dutycycle of the grid input signal of insulated gate bipolar transistor T5.In power supply electrifying
When, data processing module 7 changes unidirectional controllable silicon S CR1 according to the electric current of the 3rd sampled point 43 and the voltage of the second sampled point 42
Control signal dutycycle, control power supply to filter capacitor EC1 charge；When data processing module 7 detects the second sampled point
When 42 voltage reaches setting, adjust the dutycycle of the control signal of unidirectional controllable silicon S CR1, make unidirectional controllable silicon S CR1 mono-
Head straight for leading to.
Full-bridge inverting module 1 includes insulated gate bipolar transistor T1, insulated gate bipolar transistor T2, insulated gate bipolar
Transistor npn npn T3 and insulated gate bipolar transistor T4, wherein, the drain electrode of insulated gate bipolar transistor T1 and insulated gate are double
The drain electrode of bipolar transistor T3 is all connected with the negative electrode of bidirectional triode thyristor SCR1, the source electrode of insulated gate bipolar transistor T2 and
The source electrode of insulated gate bipolar transistor T4 is all connected with one end of sampling resistor R3, the source electrode of insulated gate bipolar transistor T1
Connect the drain electrode of insulated gate bipolar transistor T2, and the source electrode of insulated gate bipolar transistor T1 is also connected with the pair in motor
Winding free end, the source electrode of insulated gate bipolar transistor T3 connects the source electrode of insulated gate bipolar transistor T4, and insulate
The source electrode of grid bipolar transistor T3 is also connected with the other end of sampling resistor R6.All insulated gate bipolars in full-bridge inverting module 1
The grid input signal of transistor npn npn is produced by data processing module 7.
Rotating anode 5 includes motor and anode target surface 51, and wherein, motor includes stator winding and rotor 63, and rotor 63 is even
Connect anode target surface 51, stator winding includes main winding 61 and auxiliary winding 62, the free end of main winding 61 connects start-up capacitance C1's
One end, the other end of start-up capacitance C1 connects the free end of auxiliary winding 62, and the free end of auxiliary winding 62 connects insulated gate bipolar
The source electrode of transistor T1, the common port of major-minor winding connects one end of sampling resistor R6, and the other end of sampling resistor R6 connects absolutely
The source electrode of edge grid bipolar transistor T3, one end of sampling resistor R6 is additionally provided with the 4th sampled point 44, and the 4th sampled point 44 connects
Sampling module 8, can detect the electric current of the 4th sampled point 44 by sampling module 8, and the electric current according to the 4th sampled point 44 is adjusted
Grid input signal in full-bridge inverting module 1.
Data processing module 7 produces the grid input letter of the control signal of relay K1, insulated gate bipolar transistor T5
Number, the grid of all insulated gate bipolar transistors is defeated in the control signal of unidirectional controllable silicon S CR1 and full-bridge inverting module 1
Enter signal.Additionally, data processing module 7 is also respectively connected with sampling module 8, storage chip 9, accessory power supply 10 and upper machine communication
Module 12, Upper machine communication module 12 is also connected with host computer 11, realizes the communication between host computer 11 and data processing module 7.
Data processing module 7 can be realized using dsp chip.Storage chip 9 can store the setting ginseng of X-ray electromechanical source supply
Number, data processing module 7 judges power failure with this and determines circuit initialization；Storage chip 9 can store different factories simultaneously
The running parameter of the dissimilar bulb of family, such as starts voltage, starting current, working voltage, running current, maximum current protection
Value, maximum stalling current protection value etc., data processing module 7 can read these parameters, by controlling full-bridge inverting module 1
The dutycycle of grid input signal is controlling output voltage and the frequency of full-bridge inverting module 1.
Claims (7)
1. a kind of wide power input X ray tube rotary anode driving means it is characterised in that：Including full-bridge inverting module (1) and
Motor, motor includes stator winding and rotor (63), rotor (63) jointed anode target surface (51), and stator winding includes main winding
(61) and auxiliary winding (62), the free end of main winding (61) connects one end of start-up capacitance C1, and the other end of start-up capacitance C1 is even
Connect the free end of auxiliary winding (62), the free end of auxiliary winding (62), the common port of major-minor winding connect full-bridge inverting module respectively
(1), full-bridge inverting module (1) is also connected with direct current input module (3), and direct current input module (3) connects rectification module (2), rectification
Module (2) is provided with ac input end.
2. wide power according to claim 1 input X ray tube rotary anode driving means it is characterised in that：Also include
Boosting rectifier control module (4), boosting rectifier control module (4) connects direct current input module (2) and full-bridge inverting module (1) respectively.
3. wide power according to claim 2 input X ray tube rotary anode driving means it is characterised in that：Described liter
Pressure control module (4) includes insulated gate bipolar transistor T5, and the grid of insulated gate bipolar transistor T5 inputs pwm signal,
The drain electrode of insulated gate bipolar transistor T5 connects one end of energy storage inductor L1, and the other end of energy storage inductor L1 connects direct current input
Module (3), the source electrode of insulated gate bipolar transistor T5 connects one end of filter capacitor EC1, and the other end of filter capacitor EC1 is even
Order is also connected with full-bridge inverting module (1), one-way SCR to the negative electrode of controllable silicon SCR 1, the negative electrode of unidirectional controllable silicon S CR1
The anode of SCR1 connects the drain electrode of insulated gate bipolar transistor T5, the control pole input control signal of unidirectional controllable silicon S CR1.
4. wide power according to claim 3 input X ray tube rotary anode driving means it is characterised in that：Also include
Sampling module (8), sampling resistor R1, sampling resistor R2, sampling resistor R3, sampling resistor R4 and sampling resistor R5, described energy storage
The other end of inductance L1 connects one end of sampling resistor R1, and one end of sampling resistor R1 connects one end of sampling resistor R2, sampling
The other end of resistance R2 connects one end of sampling resistor R3, and the other end of sampling resistor R3 connects insulated gate bipolar transistor T5
Source electrode, be provided with the first sampled point (41) between sampling resistor R1 and sampling resistor R2, the other end of sampling resistor R3 is provided with
Three sampled points (43), one end of sampling resistor R5 connects one end of filter capacitor EC1, and the other end of sampling resistor R5 connects sampling
One end of resistance R4, the other end of sampling resistor R4 connects negative electrode, sampling resistor R4 and the sampling resistor of unidirectional controllable silicon S CR1
It is provided with the second sampled point (42), the first sampled point (41), the second sampled point (42) and the 3rd sampled point (43) connect respectively between R5
Connect sampling module (8).
5. wide power according to claim 1 input X ray tube rotary anode driving means it is characterised in that：Also include
Sampling module (8) and sampling resistor R6, one end of sampling resistor R6 connects the common port of major-minor winding, and sampling resistor R6's is another
End connects full-bridge inverting module (1), and one end of sampling resistor R6 is additionally provided with the 4th sampled point (44), and the 4th sampled point (44) connects
Sampling module (8).
6. wide power according to claim 1 input X ray tube rotary anode driving means it is characterised in that：Described whole
Flow module (2) includes rectifier bridge DB1 and rectifier bridge DB2, and the ac input end of rectifier bridge DB1 exchanges input with rectifier bridge DB2's
End is as the ac input end of rectification module (2).
7. wide power according to claim 1 input X ray tube rotary anode driving means it is characterised in that：Described straight
Stream input module (3) includes accumulator module E1, relay K1 and energy storage inductor L2, and the positive pole of accumulator module E1 connects relay
The normally opened contact of device K1 controlled end, the movable contact of relay K1 controlled end connects one end of energy storage inductor L2, energy storage inductor L2's
The other end connects rectification module (2) and full-bridge inverting module (1) respectively, and the negative pole of accumulator module E1 connects rectification module respectively
And full-bridge inverting module (1) (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620933353.1U CN205959943U (en) | 2016-08-24 | 2016-08-24 | Wide power input X -ray tube rotary anode drive arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620933353.1U CN205959943U (en) | 2016-08-24 | 2016-08-24 | Wide power input X -ray tube rotary anode drive arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959943U true CN205959943U (en) | 2017-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620933353.1U Withdrawn - After Issue CN205959943U (en) | 2016-08-24 | 2016-08-24 | Wide power input X -ray tube rotary anode drive arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128926A (en) * | 2016-08-24 | 2016-11-16 | 南京普爱医疗设备股份有限公司 | A kind of wide power inputs X ray tube rotary anode driving means and controls rotating anode method |
| CN113543437A (en) * | 2020-04-22 | 2021-10-22 | 合肥美亚光电技术股份有限公司 | X-ray generating device and medical imaging apparatus |
-
2016
- 2016-08-24 CN CN201620933353.1U patent/CN205959943U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128926A (en) * | 2016-08-24 | 2016-11-16 | 南京普爱医疗设备股份有限公司 | A kind of wide power inputs X ray tube rotary anode driving means and controls rotating anode method |
| CN106128926B (en) * | 2016-08-24 | 2018-03-09 | 南京普爱医疗设备股份有限公司 | A kind of wide power input X ray tube rotary anode drive device and the rotating anode method of control |
| CN113543437A (en) * | 2020-04-22 | 2021-10-22 | 合肥美亚光电技术股份有限公司 | X-ray generating device and medical imaging apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20180309 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20180309 |