Power supply device, medical device, and power supply control method

Abstract

The application discloses a power supply device, a medical device and a power supply control method, which comprise a seat body, a first current collecting ring, a first brush holder, a second current collecting ring, a second brush holder, a driving piece and a shielding body. In use, the first brush holder can be connected with a power supply system, and the second brush holder can be connected with another power supply system. The power supply system outputs power through the first current collecting ring, and the other power supply system outputs power through the second current collecting ring. The power supply device provided by the application can rotate and supply power for multiple high-power devices, one level of load can guarantee two-way independent power supply, strong and weak current equipment can be differentially powered, electromagnetic interference between devices can be reduced, the operation environment of a measurement system can be ensured, the power supply device can be electromagnetically shielded, and high-frequency noise can be prevented from being radiated through a cable.

Description

Technical Field

[0001] This application relates to the field of collector ring technology, and in particular to a power supply device, medical device, and power supply control method. Background Technology

[0002] The novel ion therapy device for cancer treatment employs an irradiation terminal based on a combined rotating beamline. By rotating the terminal, the beam delivery system enables simultaneous irradiation from multiple angles within a single treatment room, reducing the footprint of the treatment device and the investment in beamline equipment, thus improving treatment efficiency. The combined rotating beamline includes various electrical devices, each with different power quality requirements. These mainly include: 1) High-power equipment maintaining the beamline, such as DC power supplies. These devices have high rated power and are prone to generating harmonics and electromagnetic interference, significantly impacting power quality; they are classified as secondary loads. 2) Vacuum equipment ensuring the beam environment, such as vacuum pumps and ion pumps. These devices require periodic operation to maintain the vacuum environment of the beamline, classifying them as primary loads. 3) Network and control, and beam detection equipment. These are low-voltage devices with high power quality requirements and are susceptible to interference from other equipment; they are also classified as primary loads. The total power capacity of the rotating beamline equipment reaches 2MW. The rotating beamline power supply device must not only meet the rotation requirements but also satisfy the power demands of various loads and the electromagnetic compatibility requirements of the medical system.

[0003] Currently, the main rotary power supply methods include circular sliding contact lines, slip rings, and dual tank chains. Circular sliding contact lines are primarily used in CT slip rings in medical systems, enabling power transmission, bus signal transmission, and high-definition image information transmission. However, their transmission power is limited, and increasing power easily leads to increased size, external shielding difficulties, and implementation challenges, making them unsuitable for combined rotary cable bundles. Slip rings are commonly used in wind power systems, capable of withstanding harsh climates such as high and low temperatures, high humidity, high altitudes, and salt spray corrosion. They possess extremely high reliability and an ultra-long lifespan, with a maximum power output of up to 6MW. However, slip rings have a compact structure, only supporting one output, unable to achieve differentiated power supply, and prone to electromagnetic interference between equipment. Dual tank chain rotary power supply achieves rotary power supply by winding cables around moving belts, with the two moving belts retracting and extending during operation. When the power is high, the cable specifications are large and numerous, placing high demands on the tank chain, cables, and integrated cabling, reducing reliability. Furthermore, current rotary power supply methods cannot meet the reliability requirements of dual power supplies for primary loads.

[0004] To meet the power requirements of the combined rotating cable harness equipment, the power supply device must have the following functions: 1) Power supply for multiple high-power devices rotating, with the primary load requiring two independent power supplies; 2) Differentiated power supply for strong and weak electrical equipment to reduce electromagnetic interference between devices and ensure the operating environment of the measurement system; 3) Electromagnetic shielding of the power supply device to prevent high-frequency noise from radiating through the cable. Summary of the Invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0006] Therefore, a first aspect of the present invention provides a power supply device.

[0007] A second aspect of the present invention provides a medical device.

[0008] A third aspect of the present invention provides a power supply control method.

[0009] In view of this, a power supply device is provided according to a first aspect of the embodiments of this application, comprising:

[0010] seat body;

[0011] A first slip ring and a first brush holder, wherein the first slip ring is rotatably connected to the base, and the first brush holder is used to connect to the first slip ring;

[0012] The second collector ring and the second brush holder are provided. The first collector ring is sleeved on the outside of the second collector ring. The second collector ring is rotatably connected to the base. The second brush holder is used to connect to the second collector ring.

[0013] A driving component, connected to the first slip ring and the second slip ring, is used to drive the first slip ring and the second slip ring to rotate;

[0014] The shielding body, the base, the first collector ring, the first brush holder, the second collector ring, and the second brush holder are disposed within the shielding body.

[0015] In one feasible implementation, the power supply device further includes:

[0016] A rotating platform, wherein the driving component is fixedly connected to the rotating platform;

[0017] A shielding cover, which is fixedly connected to the drive component and / or the rotating platform, and is used to cover the shielding body;

[0018] The cable outlet is formed on the shielding cover.

[0019] In one feasible implementation, the power supply device further includes:

[0020] A rotating support is provided on the base body, and the first slip ring abuts against the rotating support;

[0021] The rotary support is ring-shaped, and a positioning protrusion is formed on the base body. The rotary support is sleeved on the positioning protrusion.

[0022] In one feasible implementation, the power supply device further includes:

[0023] The first power cable is provided, and the base body has a first reserved hole. The first power cable passes through the first reserved hole and is connected to the first brush holder.

[0024] The second power cable has a second reserved hole on the base, and the second power cable passes through the second reserved hole and is connected to the second brush holder.

[0025] In one feasible implementation, the power supply device further includes:

[0026] The first outgoing cable, one end of which is connected to the first slip ring;

[0027] The second outgoing cable has one end connected to the second slip ring.

[0028] In one feasible implementation, the power supply device further includes:

[0029] The adapter is used to connect the first slip ring to the drive unit, and the adapter has a lead-out terminal.

[0030] The adapter has an L-shaped cross-section along its height.

[0031] The drive member has a lug, the adapter is connected to the lug, and the second slip ring is connected to the lug.

[0032] In one feasible implementation, the shielding body includes:

[0033] The shielding body comprises a first shielding component, a second shielding component, and a plurality of assemblies, wherein the first shielding component is detachably connected to the second shielding component via the plurality of assemblies, so that the shielding body is cylindrical.

[0034] The cable inlet is provided on the first shield and the second shield.

[0035] In one feasible implementation, the shielding efficiency of the shielding body is determined by the following formula:

[0036] SE = R + A + B (dB)

[0037] R = 14.56 + 10lg(σ) r r 2 f / μ r )

[0038]

[0039] B = 20lg|1-10-0.1A (cos0.23A-jsin0.23A)|

[0040] Where SE is the shielding effectiveness, R is the emission loss, A is the absorption loss, and B is the multiple reflection correction factor. If A > 10 dB, then B is 0. r The relative conductivity of the shielding material to copper; r is the distance from the source to the shield; f is the frequency; μ r ν is the relative permeability of the shielding material relative to copper; j is the imaginary unit.

[0041] A second aspect of the embodiments of this application provides a medical device comprising:

[0042] The power supply device as described in any of the above technical solutions;

[0043] A first power supply system, the output of which is connected to the first brush holder;

[0044] A second power supply system is connected to the second brush holder;

[0045] The power supply module is mounted on the rotating platform and is used to connect to the first power supply system and / or the second power supply system;

[0046] A control component, connected to the power supply device, is used to control the connection relationship between the first and second outgoing cables of the power supply device and the power consumption module.

[0047] A power supply control method is provided according to a third aspect of the embodiments of this application for use in the medical device described in any of the above-described technical solutions, the power supply control method comprising:

[0048] Obtain the operating status of the first collector ring and the second collector ring;

[0049] When one of the first slip ring and the second slip ring fails, the power supply module is powered through the other of the first slip ring and the second slip ring.

[0050] Compared with the prior art, the present invention has at least the following beneficial effects:

[0051] The power supply device provided in this application includes a base, a first slip ring, a first brush holder, a second slip ring, a second brush holder, a drive unit, and a shield. During use, the first brush holder can be connected to one power supply system, and the second brush holder can be connected to another. One power supply system outputs power through the first slip ring, and the other power supply system outputs power through the second slip ring. The drive unit can drive the first and second slip rings to rotate. The base supports the first and second slip rings and fixes the first and second brush holders. The shield encloses the base, first slip ring, first brush holder, second slip ring, and second brush holder, shielding them from surge noise generated by the brushes and conducted noise transmitted along the cable. Furthermore, it modularizes the power supply device, making it safer to use. Based on this, the power supply device provided in this application can provide rotating power to multiple high-power devices, with two independent power supplies for a primary load. It enables differentiated power supply for high-voltage and low-voltage devices, reducing electromagnetic interference between devices and ensuring a safe operating environment for the measurement system. The power supply device also provides electromagnetic shielding to prevent high-frequency noise from radiating through the cable. Attached Figure Description

[0052] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0053] Figure 1 A schematic structural diagram of a power supply device according to an embodiment of this application;

[0054] Figure 2 A schematic structural diagram of the base of a power supply device according to an embodiment of this application, showing one angle.

[0055] Figure 3 A schematic structural diagram of the base of a power supply device according to one embodiment of this application from another angle;

[0056] Figure 4 A schematic structural diagram of the first and second collector rings of a power supply device according to an embodiment of this application;

[0057] Figure 5 A schematic structural diagram of the shielding body of a power supply device according to an embodiment of this application;

[0058] Figure 6 A schematic structural diagram of a medical device according to an embodiment of this application;

[0059] Figure 7This is a schematic flowchart illustrating the steps of a power supply control method according to an embodiment of this application.

[0060] in, Figures 1 to 6 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0061] 110 Base, 120 First slip ring, 130 First brush holder, 140 Second slip ring, 150 Second brush holder, 160 Drive unit, 170 Rotating platform, 180 Shielding cover, 190 Outlet hole, 200 Rotating support, 210 First power inlet cable, 220 Second power inlet cable, 230 First outlet cable, 240 Second outlet cable, 250 Adapter, 260 First shielding component, 270 Second shielding component, 280 Assembly parts, 290 Inlet hole, 300 Power module, 310 Fixing hole, 320 Shielding body, 330 Outlet terminal, 340 First reserved hole, 350 Second reserved hole, 360 Fixing bolt. Detailed Implementation

[0062] To better understand the above technical solutions, the technical solutions of the embodiments of this application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this application, rather than limitations on the technical solutions of this application. In the absence of conflict, the embodiments of this application and the technical features in the embodiments can be combined with each other.

[0063] like Figures 1 to 6 As shown, a power supply device is provided according to a first aspect of the embodiments of this application, comprising: a base 110; a first collector ring 120 and a first brush holder 130, wherein the first collector ring 120 is rotatably connected to the base 110 and the first brush holder 130 is connected to the first collector ring 120; a second collector ring 140 and a second brush holder 150, wherein the first collector ring 120 is sleeved on the outside of the second collector ring 140 and the second collector ring 140 is rotatably connected to the base 110 and the second brush holder 150 is connected to the second collector ring 140; a driving member 160, wherein the driving member 160 is connected to the first collector ring 120 and the second collector ring 140 and is used to drive the first collector ring 120 and the second collector ring 140 to rotate; and a shield 320, wherein the base 110, the first collector ring 120, the first brush holder 130, the second collector ring 140 and the second brush holder 150 are disposed within the shield 320.

[0064] The power supply device provided in this application embodiment includes a base 110, a first slip ring 120, a first brush holder 130, a second slip ring 140, a second brush holder 150, a drive unit 160, and a shield 320. During use, the first brush holder 130 can be connected to one power supply system, and the second brush holder 150 can be connected to another power supply system. One power supply system outputs power through the first slip ring 120, and the other power supply system outputs power through the second slip ring 140. The first slip ring 120 and the second slip ring 140 can be driven to rotate by the drive component 160; the first slip ring 120 and the second slip ring 140 can be supported by the base 110, and the first brush holder 130 and the second brush holder 150 can be fixed; the shield 320 can enclose the base 110, the first slip ring 120, the first brush holder 130, the second slip ring 140 and the second brush holder 150, on the one hand, shielding the surge noise generated by the brushes and the conducted noise transmitted along the cable; on the other hand, it makes the power supply device modular and safer to use. Based on this, the power supply device provided by the embodiment of this application can provide rotating power to multiple high-power devices, where the primary load can ensure two independent power supplies; it can realize differentiated power supply for strong and weak electrical equipment, reduce electromagnetic interference between devices, and ensure the operating environment of the measurement system; the power supply device can provide electromagnetic shielding to prevent high-frequency noise from being radiated through the cable.

[0065] The power supply device provided in this application adopts a dual-ring power supply configuration, which, compared with conventional slip rings, can provide two independent power supply circuits to meet the power requirements of primary loads, achieve differentiated power supply, and reduce noise crosstalk between devices. The shield 320 can shield the surge noise generated by the brush gap and the electromagnetic noise emitted through the cable, easily meeting the electromagnetic compatibility requirements of medical systems.

[0066] In one feasible embodiment, the power supply device further includes: a rotating platform 170, with a drive member 160 fixedly connected to the rotating platform 170; a shielding cover 180, which is fixedly connected to the drive member 160 and / or the rotating platform 170, and is used to cover the shielding body 320; and a cable outlet 190, which is formed on the shielding cover 180.

[0067] In this technical solution, the power supply device may also include a rotating platform 170, which provides an installation position for the electrical equipment. During use, the electrical equipment, the rotating platform 170, and the drive component 160 rotate synchronously.

[0068] In this technical solution, the power supply device may also include a shielding cover 180, which can cover the shielding body 320. The shielding cover 180 is fixedly connected to the driving component 160 and / or the rotating platform 170, so that the shielding cover 180 can rotate synchronously with the rotating platform 170, which can achieve a better noise reduction effect.

[0069] In this technical solution, a cable outlet hole 190 can also be formed on the shielding cover 180, which facilitates the cable outlet.

[0070] In this technical solution, using the power supply device provided in this application embodiment, the first slip ring 120 and the second slip ring 140 are fixed with a drive component 160, which is fixed on the rotating platform 170 and rotates with the rotating platform 170, belonging to the rotating part of the equipment; the first brush holder 130 and the second brush holder 150 are fixed on the base 110, belonging to the stator part, and the stator brushes are connected to the slip ring rotor to realize power transmission. The first slip ring 120 and the second slip ring 140 are powered by a UPS, while the first slip ring 120 is powered from the power distribution room feeder cabinet. Both power supplies come from different transformers, meeting the dual power supply requirements for a primary load. The vacuum equipment, beam diagnostic equipment, and network and control equipment that can maintain the beam environment on the rotating platform 170 are classified as primary loads. This part of the equipment is mainly connected to the output terminal 330 of the first slip ring 120, and is also supplied by the first slip ring 120. The input switching switch can be installed on the load side. When the second slip ring 140 fails, the equipment switches to the first slip ring 120 for power supply, ensuring the basic power supply reliability of the equipment.

[0071] like Figure 1 and Figure 6 As shown, to more clearly illustrate the installation position of the slip rings, the rotating platform 170 and the electrical equipment module are shown in reduced size. The first slip ring 120 and the second slip ring 140 are installed below the rotating platform 170, and their height can be determined according to the width of the rotor copper busbars of the first slip ring 120 and the second slip ring 140. The base 110 mainly serves to support and fix the first slip ring 120 and the second slip ring 140, and can be lowered or raised according to the space at the bottom of the platform. In the working state, the first slip ring 120 and the second slip ring 140 are mainly driven to rotate by the rotating platform 170.

[0072] In one feasible embodiment, the power supply device further includes a rotary support 200, which is disposed on the base 110, and a first slip ring 120 abuts against the rotary support 200.

[0073] In this technical solution, the power supply device may also include a rotating support 200. By setting the rotating support 200, the first slip ring 120 can be supported, which facilitates the smooth rotation of the first slip ring 120.

[0074] In one feasible implementation, the rotary support 200 is annular, and a positioning protrusion is formed on the seat 110, with the rotary support 200 sleeved on the positioning protrusion.

[0075] In this technical solution, the style of the rotating support 200 is further provided. The rotating support 200 can be ring-shaped, so that the rotating support 200 can better support the first collector ring 120. A positioning protrusion is formed on the base 110, and the rotating support 200 is sleeved on the positioning protrusion, which can prevent the rotating support 200 from being misaligned and ensure the stability of the support.

[0076] In one feasible embodiment, the power supply device further includes: a first power cable 210, with a first reserved hole 340 provided on the base 110, the first power cable 210 passing through the first reserved hole 340 and connected to the first brush holder 130; and a second power cable 220, with a second reserved hole 350 provided on the base 110, the second power cable 220 passing through the second reserved hole 350 and connected to the second brush holder 150.

[0077] In this technical solution, the power supply device may also include a first power cable 210, which can be connected to the first power supply system and then pass through the first reserved hole 340 on the base 110 to connect to the first brush holder 130. The first brush holder 130 then contacts the first collector ring 120 to realize one power supply.

[0078] In this technical solution, the power supply device may also include a second power cable 220, which can be connected to the second power supply system and then pass through the second reserved hole 350 on the base 110 to connect to the second brush holder 150. The second brush holder 150 then contacts the second collector ring 140 to realize another power supply.

[0079] In one feasible implementation, the power supply device further includes: a first outgoing cable 230, one end of which is connected to a first slip ring 120; and a second outgoing cable 240, one end of which is connected to a second slip ring 140.

[0080] In this technical solution, the power supply device may also include a first outgoing cable 230 and a second outgoing cable 240, which facilitates the output of two power supplies.

[0081] In one feasible embodiment, the power supply device further includes: an adapter 250, a first slip ring 120 connected to a drive member 160 via the adapter 250, and an output terminal 330 formed on the adapter 250; wherein the cross-section of the adapter 250 along the height direction is L-shaped; wherein the drive member 160 has a lug, the adapter 250 is connected to the lug, and the second slip ring 140 is connected to the lug.

[0082] In this technical solution, the power supply device may also include an adapter 250. The first slip ring 120 can be connected to the drive unit 160 through the adapter 250. This arrangement allows a gap to be generated between the first slip ring 120 and the second slip ring 140, reducing the probability of interconnection between the first slip ring 120 and the second slip ring 140, and making the use of the power supply device safer.

[0083] In one feasible implementation, the shield 320 includes: a first shield 260, a second shield 270, and a plurality of fittings 280. The first shield 260 is detachably connected to the second shield 270 through the plurality of fittings 280, so that the shield 320 is cylindrical. A cable inlet 290 is formed on the first shield 260 and the second shield 270.

[0084] The power supply device provided in this embodiment takes into account that when connecting cables, the joints of the slip ring's inlet and outlet terminals 330 may not be covered, allowing high-frequency signals generated by the equipment and surge noise from the brushes to easily escape through the cables, resulting in excessive conducted and radiated emissions. To meet electromagnetic compatibility requirements, a shield 320 is designed. The main body of the shield 320 is a detachable semi-cylindrical shape, with an embedded shielded interface at the inlet. The cable shielding layer is terminated at 360° with the shield 320. The shield cover 180 is fixed to the drive component 160 and connected to the shield 320 via a slot structure, forming an L-shaped shielding structure. When the rotating platform 170 rotates, the shield top cover rotates with the power output device, while the shield 320 remains fixed to the base 110. The detachable design of the shield 320 also facilitates installation and maintenance.

[0085] like Figure 4As shown, to ensure that the first slip ring 120 and the second slip ring 140 rotate at the same speed as the rotating platform 170, the drive component 160 is fixed to the center of the bottom of the rotating platform 170 with bolts. The second slip ring 140 includes a rotating conductor and a terminal block, and is the same component as the drive component 160. The base 110 is adjusted according to the height of the drive component 160 so that the centers of the two components coincide. The second brush holder 150 is fixed to the base 110 with bolts, and the brush height is adjusted to be consistent with the rotor. The cable passes through the second reserved hole on the right side of the base 110. 350 is connected to the second brush holder 150 to complete the connection of the internal rotating power supply module; the second slip ring 140 is a hollow cylindrical structure with a pre-drilled fixing hole 310 at the top, and is fixed to the drive component 160 by bolts; the bottom of the first slip ring 120 is placed on the rotating support 200 of the base 110; finally, the first brush holder 130 is fixed on the base 110, and the height of the brush is adjusted to be consistent with the rotor. The cable is connected to the first brush holder 130 through the first pre-drilled hole 340 on the left side of the base 110 to complete the connection of the external rotating power supply module.

[0086] In one feasible implementation, the shielding efficiency of the shield 320 is determined by the following formula:

[0087] SE = R + A + B (dB)

[0088] R = 14.56 + 10lg(σ) r r 2 f / μ r )

[0089]

[0090] B = 20lg|1-10 -0.1A (cos0.23A-jsin0.23A)|

[0091] Where SE is the shielding effectiveness, R is the emission loss, A is the absorption loss, and B is the multiple reflection correction factor. If A > 10 dB, then B is 0. r ρ is the relative conductivity of the shielding material 320 relative to copper; r is the distance from the source to the shielding material 320; f is the frequency; μ r is the relative permeability of the shielding material 320 relative to copper; j is the imaginary unit.

[0092] This technical solution further provides a method for determining the parameters of the shield 320. The shielding effectiveness of the shield 320 is related to the emission loss and absorption loss. It also provides a method for adjusting the emission loss, absorption loss and reflection correction factor, which facilitates the determination of the parameters of the shield 320 and facilitates the selection and design of the shield 320.

[0093] like Figure 5As shown, for ease of later maintenance, the shield 320 adopts a detachable structure; the cable inlet hole 290 of the shield 320 is a cable inlet hole 290, which can be designed according to the required cable outer diameter, and there is a terminal block of the shield 320 inside the cable inlet hole 290 to realize 360° termination of the cable shield layer; the assembly 280 is mainly used for connection and fixation between shields 320; the rotatable shield cover 180 is first fixed to the drive component 160 through the fixing hole 310 during installation, and then the first outgoing cable 230 and the second outgoing cable 240 are connected to the slip ring terminal through the cable outlet hole 190 of the shield cover, and finally fixed in the concave slot of the detachable shield 320 to achieve full shielding.

[0094] In summary, the power supply device provided through the embodiments of this application has at least the following beneficial effects:

[0095] The two slip rings are powered independently of each other, which can meet the two power supply requirements of the primary load on the combined rotating beam;

[0096] The power distribution and grounding systems of different types of equipment are independent of each other. The electromagnetic noise transmission path is suppressed by the power distribution differentiation, which ensures the electromagnetic environment of the beam detection equipment.

[0097] The rotary power supply with detachable full shielding device meets the electromagnetic compatibility requirements of medical systems.

[0098] According to a second aspect of the embodiments of this application, a medical device is provided, comprising: a power supply device as described in any of the above technical solutions; a first power supply system, the output end of which is connected to a first brush holder 130; a second power supply system, which is connected to a second brush holder 150; a power module 300, which is disposed on a rotating platform 170 and is used to connect to the first power supply system and / or the second power supply system; and a control component, which is connected to the power supply device and is used to control the connection relationship between the first output cable 230 and the second output cable 240 of the power supply device and the power module 300.

[0099] The medical device provided through the embodiments of this application includes a power supply device as described in any of the above technical solutions, and therefore the medical device possesses all the beneficial effects of the power supply device described in the above technical solutions.

[0100] The medical device provided in this application embodiment achieves differentiated power supply for the rotating platform 170 through the configuration of the power supply device. A first power supply system and a second power supply system are equipped through a first collector ring 120 and a second collector ring 140, achieving independent power supply. Both the first and second power supply systems can adopt a TN-S power supply type, ensuring that the equipment power supply network and grounding do not interfere with each other. Specifically, high-power equipment is powered through the first collector ring 120; vacuum equipment is primarily powered through the first collector ring 120 and secondarily through the second collector ring 140; and beam, network, and control equipment are primarily powered through the second collector ring 140 and secondarily through the first collector ring 120. When the system is running, harmonic noise generated by high-power and vacuum equipment travels along the first collector ring 120 to the feeder cabinet, where it is centrally compensated on the low-voltage side. Low-voltage equipment is powered through an online UPS, ensuring power quality requirements are met, while electromagnetic noise does not affect low-voltage equipment through the grounding system.

[0101] like Figure 7 As shown, a power supply control method is proposed according to a third aspect of the embodiments of this application for a medical device using any of the above-described technical solutions. The power supply control method includes:

[0102] Step 101: Obtain the operating status of the first and second collector rings;

[0103] Step 102: When one of the first and second collector rings fails, power is supplied to the power module through the other of the first and second collector rings.

[0104] The power supply control method provided in this application embodiment is used in medical devices with the above-described technical solutions, and therefore possesses all the beneficial effects of the medical devices with the above-described technical solutions, which will not be elaborated here.

[0105] The power supply control method provided in this application utilizes a first collector ring and a second collector ring. When one of the first collector ring and the second collector ring experiences a line failure, the other of the first collector ring and the second collector ring can be used to supply power, ensuring the stability of the power supply and ensuring the accurate operation of the medical equipment.

[0106] In this invention, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "link," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "link" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0107] In the description of this invention, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0108] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0109] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A power supply device, characterized in that, include: seat body; A first slip ring and a first brush holder, wherein the first slip ring is rotatably connected to the base, and the first brush holder is used to connect to the first slip ring; The second collector ring and the second brush holder are provided. The first collector ring is sleeved on the outside of the second collector ring. The second collector ring is rotatably connected to the base. The second brush holder is used to connect to the second collector ring. A driving component, connected to the first slip ring and the second slip ring, is used to drive the first slip ring and the second slip ring to rotate; The shielding body, the base, the first collector ring, the first brush holder, the second collector ring, and the second brush holder are disposed within the shielding body.

2. The power supply device according to claim 1, characterized in that, Also includes: A rotating platform, wherein the driving component is fixedly connected to the rotating platform; A shielding cover, which is fixedly connected to the drive component and / or the rotating platform, and is used to cover the shielding body; The cable outlet is formed on the shielding cover.

3. The power supply device according to claim 1, characterized in that, Also includes: A rotating support is provided on the base body, and the first slip ring abuts against the rotating support; The rotary support is ring-shaped, and a positioning protrusion is formed on the base body. The rotary support is sleeved on the positioning protrusion.

4. The power supply device according to claim 1, characterized in that, Also includes: The first power cable is provided, and the base body has a first reserved hole. The first power cable passes through the first reserved hole and is connected to the first brush holder. The second power cable has a second reserved hole on the base, and the second power cable passes through the second reserved hole and is connected to the second brush holder.

5. The power supply device according to claim 1, characterized in that, Also includes: The first outgoing cable, one end of which is connected to the first slip ring; The second outgoing cable has one end connected to the second slip ring.

6. The power supply device according to claim 1, characterized in that, Also includes: The adapter is used to connect the first slip ring to the drive unit, and the adapter has a lead-out terminal. The adapter has an L-shaped cross-section along its height. The drive member has a lug, the adapter is connected to the lug, and the second slip ring is connected to the lug.

7. The power supply device according to any one of claims 1 to 6, characterized in that, The shielding body includes: The shielding body comprises a first shielding component, a second shielding component, and a plurality of assemblies, wherein the first shielding component is detachably connected to the second shielding component via the plurality of assemblies, so that the shielding body is cylindrical. The cable inlet is provided on the first shield and the second shield.

8. The power supply device according to any one of claims 1 to 6, characterized in that, The shielding efficiency of the shielding body is determined by the following formula: SE = R + A + B (dB) R=14.56+10lg(σ r r 2 f / μ r ) B=20lg|1-10 -0.1A (cos0.23A-jsin0.23A)| Where SE is the shielding effectiveness, R is the emission loss, A is the absorption loss, and B is the multiple reflection correction factor. If A > 10 dB, then B is 0. r The relative conductivity of the shielding material to copper; r is the distance from the source to the shield; f is the frequency; μ r ν is the relative permeability of the shielding material relative to copper; j is the imaginary unit.

9. A medical device, characterized in that, include: The power supply device as described in any one of claims 1 to 8; A first power supply system, the output of which is connected to the first brush holder; A second power supply system is connected to the second brush holder; The power supply module is mounted on the rotating platform and is used to connect to the first power supply system and / or the second power supply system; A control component, connected to the power supply device, is used to control the connection relationship between the first and second outgoing cables of the power supply device and the power consumption module.

10. A power supply control method, characterized in that, For use in the medical device as described in claim 9, the power supply control method includes: Obtain the operating status of the first collector ring and the second collector ring; When one of the first slip ring and the second slip ring fails, the power supply module is powered through the other of the first slip ring and the second slip ring.

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