CN221632507U - A ball tube - Google Patents

Abstract

The utility model provides a tube, including: an anode target plate, a rotor, a stator, a rotating shaft, a shell, a coolant and a heat exchanger; the shell is provided with an installation cavity, the inner side wall of the installation cavity is provided with a stator, one side of the rotating shaft is connected to the anode target plate, and the rotor is sleeved on the rotating shaft; the shell is provided with a first flow channel and a second flow channel, the rotating shaft is provided with a first liquid storage tank along the circumference, the rotating shaft is provided with a second liquid storage tank along the circumference, the rotating shaft is provided with a third flow channel and a fourth flow channel, the anode target plate is provided with a fifth flow channel, one side of the fifth flow channel is connected to the third flow channel, and the other side of the fifth flow channel is connected to the fourth flow channel; the heat exchanger is connected to the first flow channel and the second flow channel respectively. In the utility model, the coolant circulates in a preset path, takes away the heat in the shell, the rotating shaft and the anode target plate, solves the problem of insufficient heat dissipation and short life of the traditional tube, and prolongs the service life of the tube.

Description

A ball tube

Technical Field

The utility model relates to the technical field of CT tubes, in particular to a tube.

Background Art

There are two major "consumables" in the imaging equipment industry, namely the cold head of MR and the tube of CT. The tube is actually a huge, well-protected light bulb that emits invisible light. The cathode is composed of a filament, a focusing cover, a cathode sleeve and a glass column core. The electrons generated by the heating of the cathode filament form a space charge around the filament, namely an electron cloud. Its function is to emit electrons and focus the high-speed electron beam so that the electron beam has a certain shape and size to bombard the anode target plate to produce X-rays with a focus.

At present, the main heat dissipation methods of the anode target plate are mainly divided into several parts. Part of the heat is radiated to the shell, and part is taken away by the rotor copper sleeve and bearings. The rotor copper sleeve and bearings absorb most of the heat. The above cooling method is inefficient and causes the components inside the tube to heat up, resulting in a shorter service life of the tube.

Utility Model Content

The utility model aims to solve at least one of the technical problems in the related art to a certain extent. For example, the utility model aims to provide a tube that can solve the deficiencies of the prior art, improve the heat dissipation efficiency of the tube, and extend the service life of the tube.

To this end, the utility model provides a tube, comprising: an anode target plate, a rotor, a stator, a rotating shaft, a shell, a coolant and a heat exchanger; the shell is provided with an installation cavity, the stator is installed on the inner side wall of the installation cavity, one side of the rotating shaft is connected to the anode target plate, the rotor is sleeved on the rotating shaft, and the stator surrounds the rotor; one side of the shell is provided with a first flow channel communicating with the installation cavity, the other side of the shell is provided with a second flow channel communicating with the installation cavity, the rotating shaft is provided with a first liquid storage tank adapted to the first flow channel along the circumferential direction, and the rotating shaft is provided with a The second flow channel is adapted to a second liquid storage tank, the rotating shaft is provided with a third flow channel connected to the first liquid storage tank, the rotating shaft is provided with a fourth flow channel connected to the second liquid storage tank, the anode target plate is provided with a fifth flow channel, one side of the fifth flow channel is connected to the third flow channel, and the other side of the fifth flow channel is connected to the fourth flow channel; one side of the heat exchanger is connected to the first flow channel, and the other side of the heat exchanger is connected to the second flow channel, and the coolant can flow in the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the fifth flow channel.

The utility model sets a first flow channel, a second flow channel, a third flow channel, a fourth flow channel, a fifth flow channel, a first liquid storage tank and a second liquid storage tank, so that during the operation of the tube, the coolant can circulate between the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the fifth flow channel and the heat exchanger under the action of a pump, and the heat exchanger can cool the coolant that has absorbed heat. The coolant flows along a preset path, and the coolant is finally discharged from the second flow channel into the heat exchanger. The heat exchanger cools the coolant and then flows into the first flow channel. During the flow, the coolant passes through the shell, the rotating shaft and the anode target plate, and takes away the heat in the shell, the rotating shaft and the anode target plate, thereby solving the problem of insufficient heat dissipation and short life of the traditional tube and extending the service life of the tube.

Optionally, the first flow channel is located on an upper side of the shell, and the second flow channel is located on a lower side of the shell.

Optionally, the rotating shaft is circumferentially mounted with two oppositely disposed first seals, the first liquid storage tank is located between the two first seals, and the rotating shaft is circumferentially mounted with two oppositely disposed second seals, the second liquid storage tank is located between the two second seals.

Optionally, the mounting cavity includes a first mounting portion and a second mounting portion, the first mounting portion is connected to the second mounting portion, the inner diameter of the first mounting portion is larger than the inner diameter of the second mounting portion, the stator is installed on the inner side wall of the first mounting portion, the first flow channel is connected to the second mounting portion, and the second flow channel is connected to the second mounting portion.

Optionally, the fifth flow channel is spiral-shaped, the outer side of the fifth flow channel is connected to the third flow channel, and the inner side of the fifth flow channel is connected to the fourth flow channel.

Optionally, the depth of the first liquid storage tank is greater than the depth of the second liquid storage tank.

Optionally, the coolant is any one of liquid metal, water and oil, and the coolant is driven by a pump to circulate among the first flow channel, the second flow channel, the third flow channel, the fourth flow channel, the fifth flow channel and the heat exchanger.

Optionally, the third flow channel and the fourth flow channel both extend along the axial direction of the rotating shaft.

Optionally, the shell is made of gold-plated stainless steel.

Optionally, the rotating shaft is made of molybdenum alloy.

Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

FIG1 is a schematic diagram of a tube in one embodiment of the utility model;

FIG. 2 is a schematic diagram of an anode target plate in an embodiment of the present invention.

Reference numerals:

1-housing, 2-first mounting part, 3-second mounting part, 4-rotating shaft, 5-anode target plate, 6-first flow channel, 7-first liquid storage tank, 8-third flow channel, 9-fifth flow channel, 10-fourth flow channel, 11-second liquid storage tank, 12-second flow channel, 13-first sealing member, 14-second sealing member, 15-rotor, 16-stator.

DETAILED DESCRIPTION

The following will further describe the technical solution of the utility model in detail in conjunction with specific embodiments. It should be understood that the following embodiments are only exemplary descriptions and explanations of the utility model, and should not be interpreted as limiting the scope of protection of the utility model. All technologies implemented based on the above content of the utility model are included in the scope of protection intended by the utility model.

Please refer to Figures 1 and 2. This embodiment provides a tube, which mainly includes an anode target plate 5, a rotor 15, a stator 16, a rotating shaft 4, a shell 1, a heat exchanger and a coolant; the shell 1 is provided with an installation cavity, and the stator 16 is installed on the inner side wall of the installation cavity. One side of the rotating shaft 4 is connected to the anode target plate 5, and the rotating shaft 4 is connected to the rotor 15. The rotor 15 is sleeved on the rotating shaft 4 and can rotate synchronously with the rotating shaft 4; one side of the shell 1 is provided with a first flow channel 6 connected to the installation cavity, and the other side of the shell 1 is provided with a second flow channel 12 connected to the installation cavity. The rotating shaft 4 is provided with a first flow channel 6 adapted to the first flow channel 6 along the circumferential direction. The liquid storage tank 7, the rotating shaft 4 is circumferentially provided with a second liquid storage tank 11 adapted to the second flow channel 12, the rotating shaft 4 is provided with a third flow channel 8 connected to the first liquid storage tank 7, the rotating shaft 4 is provided with a fourth flow channel 10 connected to the second liquid storage tank 11, the anode target plate 5 is provided with a fifth flow channel 9, one side of the fifth flow channel 9 is connected to the third flow channel 8, and the other side of the fifth flow channel 9 is connected to the fourth flow channel 10; one side of the heat exchanger is connected to the first flow channel 6, and the other side of the heat exchanger is connected to the second flow channel 12, and the coolant can flow in the first flow channel 6, the second flow channel 12, the third flow channel 8, the fourth flow channel 10 and the fifth flow channel 9.

In the above embodiment, the stator 16 can drive the rotor 15 to rotate after generating a magnetic field, and the rotor 15 can drive the rotating shaft 4 to rotate after rotating. Specifically, when photographing, the staff first controls the application of a magnetic field to drive the rotating shaft 4 to rotate, and the rotating shaft 4 drives the anode target plate 5 to rotate. At this time, high voltage is applied to the positive and negative electrodes, and the cathode gathers a high-speed electron beam, so that the electron beam has a certain shape and size to bombard the anode target plate 5 to generate X-rays with a focus. Since the anode target plate 5 keeps rotating at a high speed at all times, the heat of the high-speed electron bombardment is evenly distributed on the anode target plate 5, and the heat per unit area is greatly reduced, thereby improving the power of the tube.

In the above embodiment, the anode target plate 5 generates a large amount of heat during operation of the bulb. During this period, the coolant (the coolant can be liquid metal, water, oil, etc.) enters the housing 1 from the first flow channel 6, and the coolant flows from the first flow channel 6 to the first liquid reservoir 7. The coolant is stored in the first liquid reservoir 7, and the coolant flows from the first liquid reservoir 7 to the third flow channel 8 in the rotating shaft 4, and then the coolant flows from the third flow channel 8 to the fifth flow channel 9 in the anode target plate 5, and then the coolant flows from the fifth flow channel 9 to the fourth flow channel 10, and then the coolant flows from the fourth flow channel 10 to the second liquid reservoir 11, and finally the coolant flows from the second liquid reservoir 11 to the second flow channel 12 and is discharged from the housing 1. , the heat exchanger collects and cools it, the depth of the first liquid storage tank 7 is greater than that of the second liquid storage tank 11, the third flow channel 8 will not pass through the second liquid storage tank 11 (the third flow channel 8 is closer to the axis of the rotating shaft 4 than the second liquid storage tank 11), the above-mentioned coolant passes through the shell 1, the rotating shaft 4 and the anode target plate 5 during the flow process, and the coolant can take away the heat in the shell 1, the rotating shaft 4 and the anode target plate 5 to dissipate the heat, and the coolant can circulate between the first flow channel 6, the second flow channel 12, the third flow channel 8, the fourth flow channel 10 and the fifth flow channel 9 and the heat exchanger under the action of the pump, and the heat exchanger can cool the coolant that has absorbed the heat.

In the above embodiment, during the operation of the bulb, the coolant enters the shell 1 from the first flow channel 6, flows along a preset path, and finally is discharged from the second flow channel 12 and enters the heat exchanger. The cooled coolant flows into the first flow channel 6 again. During the flow, the coolant passes through the shell 1, the rotating shaft 4 and the anode target plate 5, and takes away the heat in the shell 1, the rotating shaft 4 and the anode target plate 5, thereby solving the problem of insufficient heat dissipation and short life of the traditional bulb, and extending the service life of the bulb.

Further, in some embodiments, the first flow channel 6 is located on the upper side of the housing 1, the second flow channel 12 is located on the lower side of the housing 1, and the third flow channel 8 and the fourth flow channel 10 both extend along the axial direction of the rotating shaft 4. In this embodiment, the coolant enters the housing 1 from the first flow channel 6, flows along a preset path, and is finally discharged from the second flow channel 12 to enter the heat exchanger for cooling. The cooled coolant enters the first flow channel 6 again. Since the first flow channel 6 is located on the upper side of the housing 1, the coolant can enter the first flow channel 6 under the action of gravity, thereby avoiding the problem of the coolant spilling out of the first flow channel 6.

Furthermore, the rotating shaft 4 is circumferentially provided with two oppositely arranged first seals 13, the first liquid reservoir 7 is located between the two first seals 13, and the rotating shaft 4 is circumferentially provided with two oppositely arranged second seals 14, and the second liquid reservoir 11 is located between the two second seals 14. In this embodiment, the coolant flows from the first flow channel 6 to the first liquid reservoir 7, and the coolant is stored in the first liquid reservoir 7. Both sides of the first liquid reservoir 7 are provided with first seals 13, and the first seals 13 can block the gap between the rotating shaft 4 and the installation cavity to avoid the problem of coolant leakage; the coolant flows from the second liquid reservoir 11 to the second flow channel 12, and the coolant is stored in the second liquid reservoir 11. Both sides of the second liquid reservoir 11 are provided with second seals 14, and the second seals 14 can block the gap between the rotating shaft 4 and the installation cavity to avoid the problem of coolant leakage.

Further, in some embodiments, the mounting cavity includes a first mounting portion 2 and a second mounting portion 3, the first mounting portion 2 is in communication with the second mounting portion 3, the inner diameter of the first mounting portion 2 is greater than the inner diameter of the second mounting portion 3, the stator 16 is mounted on the first mounting portion 2, the first flow channel 6 is in communication with the second mounting portion 3, and the second flow channel 12 is in communication with the second mounting portion 3. In this embodiment, the stator 16 is circumferentially mounted on the inner side wall of the first mounting portion 2, the inner diameter of the rotor 15 is adapted to the rotating shaft 4, and the rotating shaft 4 passes through the rotor 15 and the second mounting portion 3 in sequence, thereby reducing the gap between the rotating shaft 4 and the second mounting portion 3 and avoiding the problem of coolant leakage.

Furthermore, the fifth flow channel 9 is spiral, the outer side of the fifth flow channel 9 is connected to the third flow channel 8, and the inner side of the fifth flow channel 9 is connected to the fourth flow channel 10. In this embodiment, the spiral fifth flow channel 9 can be dispersed more widely and have a longer path distance on the anode target plate 5, so that the coolant can stay in the fifth flow channel 9 for a longer time, thereby improving the heat dissipation effect on the anode target plate 5.

Furthermore, the material of the housing 1 is gold-plated stainless steel. In this embodiment, the gold-plated stainless steel has the advantages of low density, high strength, excellent corrosion resistance and good heat resistance. Gold-plated stainless steel is an existing known material, and its application in the housing 1 can improve the overall performance of the tube.

Furthermore, the coolant can be any one of liquid metal, water and oil. The coolant is driven by a pump to circulate among the first flow channel 6, the second flow channel 12, the third flow channel 8, the fourth flow channel 10, the fifth flow channel 9 and the heat exchanger.

Furthermore, the material of the rotating shaft 4 is molybdenum alloy. In this embodiment, the molybdenum alloy has good thermal conductivity, electrical conductivity and low expansion coefficient, has high strength at high temperature (1100-1650°C), and is easier to process than tungsten. Molybdenum alloy is an existing known material, and its application in the rotating shaft 4 can improve the overall performance of the tube.

The embodiment of the utility model provides a tube, comprising an anode target plate 5, a rotor 15, a stator 16, a rotating shaft 4, a shell 1, a heat exchanger and a coolant; the shell 1 is provided with a first mounting portion 2 and a second mounting portion 3, the inner side wall of the first mounting portion 2 is provided with a stator 16, one side of the rotating shaft 4 is connected to the anode target plate 5, and the rotating shaft 4 is connected to the rotor 15; one side of the shell 1 is provided with a first flow channel 6 communicating with the second mounting portion 3, the other side of the shell 1 is provided with a second flow channel 12 communicating with the second mounting portion 3, the rotating shaft 4 is provided with a first liquid storage tank 7 adapted to the first flow channel 6 along the circumferential direction, and the rotor 15 is provided with a first liquid storage tank 7 adapted to the first liquid storage tank 7 along the circumferential direction. The moving shaft 4 is circumferentially provided with a second liquid storage tank 11 adapted to the second flow channel 12, the rotating shaft 4 is provided with a third flow channel 8 connected to the first liquid storage tank 7, the rotating shaft 4 is provided with a fourth flow channel 10 connected to the second liquid storage tank 11, the anode target plate 5 is provided with a fifth flow channel 9, one side of the fifth flow channel 9 is connected to the third flow channel 8, and the other side of the fifth flow channel 9 is connected to the fourth flow channel 10; one side of the heat exchanger is connected to the first flow channel 6, and the other side of the heat exchanger is connected to the second flow channel 12, and the coolant flows in the first flow channel 6, the second flow channel 12, the third flow channel 8, the fourth flow channel 10 and the fifth flow channel 9.

In the above embodiment, the anode target plate 5 of the bulb generates a large amount of heat during operation, the coolant enters the shell 1 from the first flow channel 6, the coolant flows from the first flow channel 6 to the first liquid reservoir 7, the coolant is stored in the first liquid reservoir 7, and the coolant flows from the first liquid reservoir 7 to the third flow channel 8 in the rotating shaft 4, and then the coolant flows from the third flow channel 8 to the fifth flow channel 9 in the anode target plate 5, and then the coolant flows from the fifth flow channel 9 to the fourth flow channel 10, and then the coolant flows from the fourth flow channel 10 to the second liquid reservoir 11, and finally the coolant flows from the second liquid reservoir 11 to the second flow channel 12 and is discharged from the shell 1, and the heat exchanger collects and cools it. The coolant passes through the shell 1, the rotating shaft 4 and the anode target plate 5 during the flow process, and the coolant can take away the heat in the shell 1, the rotating shaft 4 and the anode target plate 5 to dissipate the heat. In this embodiment, during the operation of the tube, the coolant enters the shell 1 from the first flow channel 6, flows along a preset path, and is finally discharged from the second flow channel 12. During the flow, the coolant passes through the shell 1, the rotating shaft 4 and the anode target plate 5, and takes away the heat in the shell 1, the rotating shaft 4 and the anode target plate 5, thereby solving the problems of insufficient heat dissipation and short life of the traditional tube and extending the service life of the tube.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

In the present invention, unless otherwise clearly defined and specified, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bulb, comprising: the device comprises an anode target disc (5), a rotor (15), a stator (16), a rotating shaft (4), a shell (1), cooling liquid and a heat exchanger;

The shell (1) is provided with an installation cavity, the inner side wall of the installation cavity is provided with a stator (16), one side of the rotating shaft (4) is connected with the anode target disc (5), the rotor (15) is sleeved on the rotating shaft (4), and the stator (16) surrounds the rotor (15);

A first runner (6) communicated with the installation cavity is arranged on one side of the shell (1), a second runner (12) communicated with the installation cavity is arranged on the other side of the shell (1), a first liquid storage groove (7) matched with the first runner (6) is arranged on the rotating shaft (4) along the circumferential direction, a second liquid storage groove (11) matched with the second runner (12) is arranged on the rotating shaft (4) along the circumferential direction, a third runner (8) communicated with the first liquid storage groove (7) is arranged on the rotating shaft (4), a fourth runner (10) communicated with the second liquid storage groove (11) is arranged on the rotating shaft (4), a fifth runner (9) is arranged on the anode target disc (5), one side of the fifth runner (9) is communicated with the third runner (8), and the other side of the fifth runner (9) is communicated with the fourth runner (10);

One side of the heat exchanger is communicated with the first flow channel (6), the other side of the heat exchanger is communicated with the second flow channel (12), and the cooling liquid can flow in the first flow channel (6), the second flow channel (12), the third flow channel (8), the fourth flow channel (10) and the fifth flow channel (9).

2. Bulb according to claim 1, characterized in that the first flow channel (6) is located at the upper side of the housing (1) and the second flow channel (12) is located at the lower side of the housing (1).

3. Bulb according to claim 1, characterized in that the rotating shaft (4) is circumferentially fitted with two oppositely arranged first seals (13), the first reservoir (7) being located between the two first seals (13), the rotating shaft (4) is circumferentially fitted with two oppositely arranged second seals (14), the second reservoir (11) being located between the two second seals (14).

4. Bulb according to claim 1, characterized in that the mounting cavity comprises a first mounting part (2) and a second mounting part (3), the first mounting part (2) being in communication with the second mounting part (3), the inner diameter of the first mounting part (2) being larger than the inner diameter of the second mounting part (3), the stator (16) being mounted to the inner side wall of the first mounting part (2), the first flow channel (6) being in communication with the second mounting part (3), the second flow channel (12) being in communication with the second mounting part (3).

5. Bulb according to claim 1, characterized in that the fifth flow channel (9) is spiral, the outer side of the fifth flow channel (9) communicates with the third flow channel (8), the inner side of the fifth flow channel (9) communicates with the fourth flow channel (10).

6. Bulb according to claim 1, characterized in that the groove depth of the first reservoir (7) is greater than the groove depth of the second reservoir (11).

7. Bulb according to claim 1, characterized in that the cooling liquid is any one of liquid metal, water and oil, which is circulated between the first flow channel (6), the second flow channel (12), the third flow channel (8), the fourth flow channel (10), the fifth flow channel (9) and the heat exchanger by means of pump drive.

8. Bulb according to claim 1, characterized in that the third flow channel (8) and the fourth flow channel (10) each extend in the axial direction of the rotation shaft (4).

9. Bulb according to claim 1, characterized in that the material of the housing (1) is gold-plated stainless steel.

10. Bulb according to claim 1, characterized in that the material of the rotation shaft (4) is molybdenum alloy.