CN213693149U - Full-direct-current power supply CT system - Google Patents
Full-direct-current power supply CT system Download PDFInfo
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- CN213693149U CN213693149U CN202022580667.7U CN202022580667U CN213693149U CN 213693149 U CN213693149 U CN 213693149U CN 202022580667 U CN202022580667 U CN 202022580667U CN 213693149 U CN213693149 U CN 213693149U
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Abstract
The utility model provides a full DC power supply CT system, relating to the technical field of tomography medical apparatus and instruments, comprising a CT stator, a CT rotor, a slip ring, a diagnosis bed and a power cabinet; the power supply cabinet is provided with a plurality of different direct-current voltage outputs which respectively provide direct-current voltage power supply for the CT rotor, the CT stator and the diagnostic bed; the power supply cabinet adopts 220V alternating current input, comprises an energy storage battery and can output direct current voltage higher than 220V and a plurality of direct current voltages lower than 220V; wherein, the DC voltage higher than 220V is transmitted to the CT rotor through a slip ring; a plurality of direct current voltages lower than 220V are respectively transmitted to the CT stator, the diagnostic bed and the CT rotor. The utility model discloses DC supply CT system will be equipped with new power, and the power has the energy storage function, adopts 220V alternating current input, and CT frame and diagnostic bed are supplied with to the direct output direct current, and no alternating current exists for CT system efficiency has very big improvement, makes the control of each motion unit become more simple effective simultaneously, has reduced the magnetic field interference that the alternating current produced by a wide margin.
Description
Technical Field
The utility model relates to a full DC supply CT system belongs to tomography medical instrument technical field.
Background
In the prior art, a CT system has no special power supply and is only equipped with a PDU (power distribution unit), and a high voltage generator of the CT, a frame rotating motor and a bed motor are all driven by ac, which has the following problems:
1) the CT system has no special power supply, adopts PDU (power distribution unit) without energy storage function, and can not be used if meeting the emergency of power failure;
2) the high-voltage component of the CT system is an inverter and a generator, a PDU inputs 380V alternating current voltage to the inverter, and the 380V alternating current is rectified into 500V direct current by the inverter and is supplied to the high-voltage generator, so that the operation has the problem of low energy efficiency;
3) the CT rotor is driven by three-phase 220V alternating current, so that the energy efficiency is low and the speed regulation performance is poor;
4) the two-axis movement of the diagnostic bed is driven by three-phase 220V alternating current, so that the energy efficiency is low and the speed regulation performance is poor;
5) the voltages of all control circuit boards and direct current power supply components in the CT system are obtained by converting three-phase 220V alternating current output by the PDU into direct current of 48V, 24V and the like through a switching power supply, so that the energy efficiency of the system is low.
The present application was made based on this.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that exists among the prior art, the utility model provides a full DC power supply CT system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a full direct current power supply CT system comprises a CT stator, a CT rotor, a slip ring and a diagnosis bed; the device also comprises a power supply cabinet; the power supply cabinet is provided with a plurality of different direct-current voltage outputs and respectively supplies direct-current voltage power to the CT rotor, the CT stator and the diagnostic bed; the power supply cabinet adopts 220V alternating current input and comprises an energy storage battery and an alternating current-to-direct current transformation module, and the alternating current-to-direct current transformation module is used for respectively outputting direct current voltage higher than 220V and a plurality of direct current voltages lower than 220V; the output direct-current voltage higher than 220V is transmitted to the CT rotor through a slip ring; the output direct-current voltages lower than 220V are respectively transmitted to a CT stator, a diagnostic bed and a CT rotor through a slip ring.
Preferably, the module to be powered in the CT stator comprises a high-voltage generator and a detector; the module needing power supply in the CT rotor comprises a rotating motor and a control panel; the module of the diagnostic bed which needs to be powered comprises two motors which respectively control the horizontal and vertical movement of the diagnostic bed; the rotating motor of the CT rotor and the two motors of the diagnostic bed both adopt direct current driving motors;
the output direct-current voltage higher than 220V is transmitted to a high-voltage generator on the CT rotor through a slip ring; the output direct-current voltages lower than 220V are respectively transmitted to a rotating motor of the CT stator, a control board of the CT stator, two motors of a diagnostic bed and a detector transmitted to a CT rotor through a slip ring.
Preferably, the power supply cabinet has 500V dc voltage, 110V dc voltage, two 48V dc voltages, 24V dc voltage and 12V dc voltage outputs; the high-voltage generator is used for transmitting 500V direct current voltage to the CT rotor through a slip ring, and one 48V direct current voltage is transmitted to the detector of the CT rotor through the slip ring; the other 48V direct current voltage is output to two motors on the diagnostic bed; the 110V direct current voltage is directly transmitted to the rotating motor on the CT stator, and the 24V direct current voltage provides voltage for each control circuit board and electrical components on the CT stator.
Preferably, the module to be powered in the CT rotor further comprises a switching power supply, and a collimator and a circuit board connected with the switching power supply; one 48V direct current voltage is transmitted to a switching power supply and a detector of the CT rotor in two paths through a slip ring; the switching power supply is converted into 12V direct current to respectively supply power to the collimator and the circuit board on the CT rotor.
Preferably, the power supply cabinet also outputs 220V alternating current voltage to supply power for an operation table of the CT system.
The utility model discloses a principle and beneficial technological effect:
compared with the prior art, the utility model discloses DC supply CT system will be equipped with new power, and the power has the energy storage function, adopts 220V alternating current input, and direct output 500V direct current, 48V, 24V direct current directly supply with the direct current CT frame and diagnostic bed for CT system's efficiency has very big improvement, makes each motion unit's control become more simple effective simultaneously. Because the inside of the CT system is supplied with direct current and no alternating current exists, the magnetic field interference generated by the alternating current is greatly reduced.
Drawings
Fig. 1 is a power supply block diagram of a full dc power supply CT system according to the present embodiment.
Detailed Description
In order to make the technical means and technical effects achieved by the present invention clearer and more complete, an embodiment is provided, and the following detailed description is made with reference to the accompanying drawings:
as shown in fig. 1, a full dc power CT system of the present embodiment includes a CT stator, a CT rotor, a slip ring and a diagnostic bed; the device also comprises a power supply cabinet; the power supply cabinet is provided with a plurality of different direct-current voltage outputs which respectively provide direct-current voltage power supply for the CT rotor, the CT stator and the diagnostic bed; the power supply cabinet adopts 220V alternating current input and comprises an energy storage battery and an alternating current-to-direct current transformation module, and the alternating current-to-direct current transformation module is used for respectively outputting direct current voltage higher than 220V and a plurality of direct current voltages lower than 220V; the output direct-current voltage higher than 220V is transmitted to the CT rotor through a slip ring; the output direct-current voltages lower than 220V are respectively transmitted to a CT stator, a diagnostic bed and a CT rotor through a slip ring.
In this embodiment, the module to be powered in the CT stator includes a high voltage generator and a detector; the module needing power supply in the CT rotor comprises a rotating motor and a control panel; the module of the diagnostic bed which needs to be powered comprises two motors which respectively control the horizontal and vertical movement of the diagnostic bed; the rotary motor of the CT rotor and the two motors of the diagnostic bed both adopt direct current drive motors;
the output direct-current voltage higher than 220V is transmitted to a high-voltage generator on the CT rotor through a slip ring; the output direct-current voltages lower than 220V are respectively transmitted to a rotating motor of the CT stator, a control board of the CT stator, two motors of a diagnostic bed and a detector transmitted to a CT rotor through a slip ring.
In this embodiment, the module to be powered in the CT rotor further includes a switching power supply, and a collimator and a circuit board connected to the switching power supply.
In this embodiment, the power supply cabinet has 500V dc voltage, 110V dc voltage, two 48V dc voltages, 24V dc voltage and 12V dc voltage outputs; the power cabinet output is specifically as follows:
the 500V direct current voltage is transmitted to a high-voltage generator on the CT rotor through a slip ring, and an inverter is not needed for rectification;
the 48V direct current voltage is divided into two paths after passing through a slip ring, and one path of voltage is transmitted to the CT rotor to provide voltage for the detector; the other path of the direct current is transmitted to a switching power supply to be converted into 12V direct current, and the direct current is used for supplying power for a collimator, a control circuit board and the like on the CT rotor respectively;
the direct current voltage of 110V is directly transmitted to a rotating motor on the CT stator, and the rotating part adopts a direct current driving motor;
24V direct current voltage is used for providing voltage for each control circuit board and electrical components on the CT stator;
the 48V direct current is output to two motors on the diagnostic bed, and the motors for the horizontal and vertical diagnostic beds are both direct current driving motors.
And the 20V alternating voltage is used for supplying power to an operation table of the CT system.
The embodiment can realize the following technical effects:
(1) the power supply cabinet adopts 220V input and is provided with an energy storage battery, so that the normal scanning of the CT system can be continuously supported in a power failure state.
(2) The output of the power supply cabinet is 500V direct current, 48V, 24V and 12V direct current.
(3) The power cabinet directly outputs 500V direct current voltage to the CT high-voltage generator, so that an inverter in an original CT system can be omitted, the power cabinet directly provides 500VDC for the high-voltage generator, the cost can be greatly reduced, the system energy efficiency is improved, and the system response time is prolonged.
(4) The CT system is internally powered by direct current, and each circuit board and each component without alternating voltage are directly powered by a power cabinet, so that the system is high in energy efficiency. While removing magnetic field disturbances caused by the alternating current.
(5) Adopt the utility model discloses under the power supply system, the well rotating electrical machines of CT frame all adopt DC drive motor with diagnosis bed level and vertical lift motion for control is more simple, speed governing performance promotes, the efficiency improves.
The above is a detailed description of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be assumed that the embodiments of the present invention are limited to the above description, and it will be apparent to those skilled in the art that the present invention can be implemented in a variety of ways without departing from the spirit and scope of the present invention.
Claims (5)
1. A full direct current power supply CT system comprises a CT stator, a CT rotor, a slip ring and a diagnosis bed; the method is characterized in that: the device also comprises a power supply cabinet; the power supply cabinet is provided with a plurality of different direct-current voltage outputs and respectively supplies direct-current voltage power to the CT rotor, the CT stator and the diagnostic bed; the power supply cabinet adopts 220V alternating current input and comprises an energy storage battery and an alternating current-to-direct current transformation module, and the alternating current-to-direct current transformation module is used for respectively outputting direct current voltage higher than 220V and a plurality of direct current voltages lower than 220V; the output direct-current voltage higher than 220V is transmitted to the CT rotor through a slip ring; the output direct-current voltages lower than 220V are respectively transmitted to a CT stator, a diagnostic bed and a CT rotor through a slip ring.
2. A full dc powered CT system as claimed in claim 1 wherein: the module needing power supply in the CT stator comprises a high-voltage generator and a detector; the module needing power supply in the CT rotor comprises a rotating motor and a control panel; the module of the diagnostic bed which needs to be powered comprises two motors which respectively control the horizontal and vertical movement of the diagnostic bed; the rotating motor of the CT rotor and the two motors of the diagnostic bed both adopt direct current driving motors;
the output direct-current voltage higher than 220V is transmitted to a high-voltage generator on the CT rotor through a slip ring; the output direct-current voltages lower than 220V are respectively transmitted to a rotating motor of the CT stator, a control board of the CT stator, two motors of a diagnostic bed and a detector transmitted to a CT rotor through a slip ring.
3. A full dc supply CT system according to claim 2, wherein: the power supply cabinet has 500V direct-current voltage, 110V direct-current voltage, two 48V direct-current voltages, 24V direct-current voltage and 12V direct-current voltage outputs; the high-voltage generator is used for transmitting 500V direct current voltage to the CT rotor through a slip ring, and one 48V direct current voltage is transmitted to the detector of the CT rotor through the slip ring; the other 48V direct current voltage is output to two motors on the diagnostic bed; the 110V direct current voltage is directly transmitted to the rotating motor on the CT stator, and the 24V direct current voltage provides voltage for each control circuit board and electrical components on the CT stator.
4. A full dc supply CT system according to claim 2, wherein: the module which needs to supply power in the CT rotor also comprises a switching power supply, a collimator and a circuit board which are connected with the switching power supply; one 48V direct current voltage is transmitted to a switching power supply and a detector of the CT rotor in two paths through a slip ring; the switching power supply is converted into 12V direct current to respectively supply power to the collimator and the circuit board on the CT rotor.
5. A full dc powered CT system as claimed in claim 1 wherein: the power supply cabinet also outputs 220V alternating voltage to supply power for an operation table of the CT system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580667.7U CN213693149U (en) | 2020-11-10 | 2020-11-10 | Full-direct-current power supply CT system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580667.7U CN213693149U (en) | 2020-11-10 | 2020-11-10 | Full-direct-current power supply CT system |
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| Publication Number | Publication Date |
|---|---|
| CN213693149U true CN213693149U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022580667.7U Active CN213693149U (en) | 2020-11-10 | 2020-11-10 | Full-direct-current power supply CT system |
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| CN (1) | CN213693149U (en) |
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- 2020-11-10 CN CN202022580667.7U patent/CN213693149U/en active Active
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