CN216603809U - Water-air integrated liquid cooling system for medical accelerator - Google Patents
Water-air integrated liquid cooling system for medical accelerator Download PDFInfo
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- CN216603809U CN216603809U CN202123374475.1U CN202123374475U CN216603809U CN 216603809 U CN216603809 U CN 216603809U CN 202123374475 U CN202123374475 U CN 202123374475U CN 216603809 U CN216603809 U CN 216603809U
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Abstract
The utility model discloses a water-air integrated liquid cooling system for a medical accelerator, which comprises a water storage tank, a circulating pump, an expansion tank, an electric heater, an air radiator, a main filter and a monitoring device, wherein the water storage tank is connected with the accelerator through a pipeline; the monitoring device is arranged on the pipeline. The utility model integrates air cooling and water cooling, and has the advantages of small volume, high integration level, low noise, convenient maintenance and the like.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a water-air integrated liquid cooling system for a medical accelerator.
Background
The medical accelerator is a particle accelerator, and is used for treating tumors. The medical accelerator comprises strong electromagnetic equipment such as a magnet, a power supply, a vacuum pump, a high-frequency cavity and the like, and the heat sources are distributed in a large quantity and in various types, are concentrated on the rotary frame, rotate together with the rotary frame and can rotate for 360 degrees. The water-air integrated liquid cooling system is also integrated on the revolving frame and rotates along with the revolving frame. The water supply temperature of the liquid cooling system is 30 ℃, and the temperature control precision can reach +/-0.2-2 ℃. The liquid cooling system is connected with the accelerator through a rubber hose.
The heating power of the cyclotron is less than or equal to 50kW, the 1-15Mev low and medium energy accelerators and the water quality of the liquid cooling system is less than or equal to 10 mu S/cm; the water quality of the liquid cooling system is less than or equal to 0.5 mu S/cm when the high-energy accelerator is more than 15 Mev. Because the high magnetic field and the high frequency resonance chamber of accelerator to intermittent type nature's rotatory work, require very high to the reliability of liquid cooling system, the liquid cooling system need the leakproofness good, do not have the seepage, the live equipment in the liquid cooling system: water pump motor, fan, instrument and meter, switch board etc. all pass through EMC test, and under high magnetic field, high voltage environment, the liquid cooling system homoenergetic normally worked.
Because the inside of the accelerator is a closed space, hot air is easy to flow back, cold air and hot air are mixed, and the refrigeration effect is greatly reduced. Therefore, according to the structural type of the accelerator revolving frame, a shell, a cold channel and a hot channel which are in the same shape are designed, an air inlet of cold air is arranged below the shell, the cold air enters the cold channel in the axial direction, the cold air circulates in the cold channel, when a fan of an air radiator of a liquid cooling system works, the cold air is extracted, the heat of the liquid cooling system is taken away by the cold air, the hot air enters the hot channel, and the hot air circulates in the hot channel.
Meanwhile, as the accelerator continuously rotates, high requirements are put forward on the flow stability of the liquid cooling system and the shock resistance of instruments and meters, and therefore the existing accelerator and the cooling system thereof are still to be improved.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects, the utility model provides a water-air integrated liquid cooling system for a medical accelerator, the structure of the cooling system is optimized, the air cooling and the water cooling are integrated, and the cooling system has the advantages of small volume, high integration level, low noise, convenient maintenance and the like, meanwhile, the cooling medium enters the water separator under the power action of the main circulating pump and then enters each heating device to take out the heat generated by the heating devices during working and then is led out to the environment through the air radiator component, the water storage tank is arranged in the main circulation loop to avoid sudden temperature rise and drop of the cooling medium when the heat load changes, an air bag type expansion tank is arranged at the inlet of the circulating pump, the pre-charging pressure provides static pressure for the closed cooling system, meanwhile, the pressure of a cooling medium is ensured to be stable in a design range, the cavitation corrosion of a water pump or the over-high pressure of a system is prevented, and the running stability of the whole liquid cooling system is ensured.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a water-air integrated liquid cooling system for a medical accelerator, comprising: the water storage tank is connected with an accelerator through a pipeline, the circulating pump is arranged in the water storage tank, the expansion tank is arranged at a water inlet of the circulating pump, the electric heater is arranged on the pipeline on one side of a water outlet of the circulating pump, the air radiator is arranged on the electric heater and the pipeline on one side close to the water inlet of the circulating pump, the water outlet of the water storage tank is connected with a water inlet of the main filter through a pipeline, and a water outlet of the main filter is connected with an inlet of the accelerator to form a closed water cooling system; the monitoring device is arranged on the pipeline. The water-air integrated liquid cooling system for the medical accelerator has the advantages of small volume, high integration level, low noise, convenience in maintenance and the like, air cooling and water cooling are integrated by optimizing the structure of the cooling system, meanwhile, a cooling medium enters the water separator under the power action of the main circulating pump and then enters each heating device, heat generated during the working of each heating device is taken out, the heat is led out to the environment through the air radiator component, the water storage tank is arranged in the main circulating loop, the sudden temperature rise and drop of the cooling medium during the heat load change are avoided, the air bag type expansion tank is arranged at the inlet of the circulating pump, static pressure is provided for the closed cooling system, the pressure of the cooling medium is ensured to be stabilized in the design range, the cavitation corrosion of a water pump or the over-high pressure of the system is prevented, and the running stability of the whole liquid cooling system is ensured.
Wherein, monitoring devices includes a set of pressure transmitter, a set of flow transmitter and a set of temperature sensor, pressure transmitter locates on the inlet channel of circulating pump and the outlet conduit of main filter, flow transmitter locates on the pipeline between the export of accelerator and the electric heater import, temperature sensor locates on the entry and the export pipeline of accelerator. The pressure transmitter, the flow transmitter and the temperature sensor are arranged, so that data on a pipeline can be acquired in time, and the normal operation of the whole system is ensured.
Further, pressure transmitter includes first pressure transmitter and second pressure transmitter, first pressure transmitter locates on the pipeline between the export of circulating pump and the accelerator entry, second pressure transmitter locates on the pipeline between the export of expansion tank and the water storage tank entry.
Further, the temperature sensor comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is arranged on a pipeline between the first pressure transmitter and the inlet of the accelerator, and the second temperature sensor is arranged on a pipeline between the outlet of the accelerator and the electric heater.
Furthermore, a fan is arranged in the air radiator. The liquid cooling system adopts an air cooling heat dissipation type, and heat in the system is dissipated into an indoor environment.
Further, still including locating the casing in medical accelerator axial outside, the circumferencial direction outside of accelerator is equipped with cold passageway and hot passageway, the bottom of casing is equipped with the air intake, is located to be equipped with the air outlet on the casing between cold passageway and the hot passageway, the hot passageway is for the outside one side of the centre of a circle direction of cold passageway.
Furthermore, the circulating pump adopts a variable frequency pump, the working frequency of the variable frequency pump is 50Hz, a frequency converter is externally arranged, and a check valve is arranged in the circulating pump. The rotary working condition can be well adapted, and the output flow stability is ensured. High lift can be ensured even at small flow rates. The built-in check valve of water pump effectively prevents to shut down or under the rotatory operating mode, and coolant's backward flow strikes water pump impeller, and the water pump is placed in the water storage tank, utilizes the clamp fixed with the water pump, and water pump outlet and pipeline welding, water pump inlet guarantee coolant's intaking.
Further, the fan adopts an EC axial flow fan, and a controller is arranged in the EC axial flow fan. The EC axial flow fan is internally provided with a controller, PWM control can be realized, the rotating speed of the fan is controlled, and the water supply temperature is further controlled.
Further, still include the accelerator shell, the accelerator shell is located one side of cold passageway, the below of accelerator shell is equipped with first air intake, and the top is equipped with first air outlet, first air outlet corresponds the setting with the air outlet. And cold air circulates in the cold channel, air is discharged from the air outlet position of the water chilling unit, hot air circulates in the hot channel, and then air is discharged from the shell air outlet of the accelerator.
Further, still include the PLC controller, accelerator, water storage tank, circulating pump, expansion tank, electric heater, air radiator, main filter, fan and monitoring devices all are connected with the PLC controller. The control system controls the water temperature at a set temperature by controlling the start and stop of the water pump, the radiator and the heater, and the PLC can monitor electromechanical equipment and instruments such as the water pump, the electric heater and the fan in real time and send out early warning signals when the electromechanical equipment and the instruments have faults or abnormally run.
The technical scheme shows that the utility model has the following beneficial effects:
1. the water-air integrated liquid cooling system for the medical accelerator has the advantages of small volume, high integration level, low noise, convenience in maintenance and the like, air cooling and water cooling are integrated by optimizing the structure of the cooling system, meanwhile, a cooling medium enters the water separator under the power action of the main circulating pump and then enters each heating device, heat generated during the working of each heating device is taken out, the heat is led out to the environment through the air radiator component, the water storage tank is arranged in the main circulating loop, the sudden temperature rise and drop of the cooling medium during the heat load change are avoided, the air bag type expansion tank is arranged at the inlet of the circulating pump, static pressure is provided for the closed cooling system, the pressure of the cooling medium is ensured to be stabilized in the design range, the cavitation corrosion of a water pump or the over-high pressure of the system is prevented, and the running stability of the whole liquid cooling system is ensured.
2. The circulating pump adopts a variable frequency pump, the working frequency of the variable frequency pump is 50Hz, a frequency converter is externally arranged, and a check valve is arranged in the circulating pump. The rotary working condition can be well adapted, and the output flow stability is ensured. High lift can be ensured even at small flow rates. The built-in check valve of water pump effectively prevents to shut down or under the rotatory operating mode, and coolant's backward flow strikes water pump impeller, and the water pump is placed in the water storage tank, utilizes the clamp fixed with the water pump, and water pump outlet and pipeline welding, water pump inlet guarantee coolant's intaking.
3. According to the utility model, the first main filter is arranged in the liquid return pipeline of the liquid cooling system, so that impurities are prevented from entering the main pump and damaging the normal work of the main pump. The second main filter is arranged on the liquid supply pipeline of the liquid cooling system, so that impurities are prevented from entering the cooled device and damaging the cooled device to normally work.
4. According to the utility model, the expansion tank is arranged at the water inlet of the water pump and is used for balancing the influence of temperature change on the volume of the cooling medium, so that the negative pressure phenomenon at the water inlet of the main circulating pump caused by the gradual decrease of the pressure of the cooling medium in the pipeline is avoided.
Drawings
FIG. 1 is a flow chart of a water-air integrated liquid cooling system for a medical accelerator according to the present invention;
FIG. 2 is a schematic structural diagram of a water-air integrated liquid cooling system according to the present invention;
FIG. 3 is a schematic view showing the structure of a water storage tank and a circulation pump according to the present invention;
FIG. 4 is a schematic structural view of a cold air passage and a hot air passage in the present invention;
fig. 5 is a schematic view of the installation of the water-air integrated liquid cooling system and the accelerator according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in the figure, a medical treatment is water-wind integral type liquid cooling system for accelerator includes: the water storage tank 2 is connected with the accelerator 1 through a pipeline, the circulating pump 3 is arranged in the water storage tank 2, the expansion tank 4 is arranged at a water inlet of the circulating pump 3, the electric heater 5 is arranged on the pipeline on one side of a water outlet of the circulating pump 3, the air radiator 6 is arranged on the electric heater 5 and the pipeline close to one side of the water inlet of the circulating pump 3, the water outlet of the water storage tank 2 is connected with a water inlet of the main filter 7 through a pipeline, and a water outlet of the main filter 7 is connected with an inlet of the accelerator 1 to form a closed water cooling system; the monitoring device 9 is arranged on the pipeline.
In this embodiment the monitoring device 9 comprises a set of pressure transmitter 91, a set of flow transmitter 92 and a set of temperature sensor 93, the pressure transmitter 91 is arranged on the water inlet pipeline of the circulating pump 3 and the water outlet pipeline of the main filter 7, the flow transmitter 92 is arranged on the pipeline between the outlet of the accelerator 1 and the inlet of the electric heater 5, and the temperature sensor 93 is arranged on the inlet and outlet pipeline of the accelerator 1.
In this embodiment pressure transmitter 91 includes first pressure transmitter and second pressure transmitter, first pressure transmitter locates on the pipeline between the export of circulating pump 3 and the 1 entry of accelerator, second pressure transmitter locates on the pipeline between the export of expansion tank 4 and the 2 entries of water storage tank.
In this embodiment, the temperature sensor 92 includes a first temperature sensor disposed on a pipe between the first pressure transmitter and the inlet of the accelerator 1, and a second temperature sensor disposed on a pipe between the outlet of the accelerator 1 and the electric heater 5.
In the present embodiment, a fan 8 is provided in the air radiator 6.
The medical accelerator is characterized by further comprising a shell 11 arranged on the outer side of the axial direction of the medical accelerator, a cold channel 12 and a hot channel 13 are arranged on the outer side of the accelerator 1 in the circumferential direction, an air inlet 14 is formed in the bottom of the shell 11, an air outlet 15 is formed in the shell between the cold channel 12 and the hot channel 13, and the hot channel 13 is arranged on one side, opposite to the outer side of the circle center direction of the cold channel 12.
In this embodiment, the circulating pump 3 is a variable frequency pump, the working frequency of which is 50Hz, and is externally provided with a frequency converter, and a check valve is arranged in the circulating pump 3.
Example 2
As shown in the figure, a medical treatment is water-wind integral type liquid cooling system for accelerator includes: the water storage tank 2 is connected with the accelerator 1 through a pipeline, the circulating pump 3 is arranged in the water storage tank 2, the expansion tank 4 is arranged at a water inlet of the circulating pump 3, the electric heater 5 is arranged on the pipeline on one side of a water outlet of the circulating pump 3, the air radiator 6 is arranged on the electric heater 5 and the pipeline close to one side of the water inlet of the circulating pump 3, the water outlet of the water storage tank 2 is connected with a water inlet of the main filter 7 through a pipeline, and a water outlet of the main filter 7 is connected with an inlet of the accelerator 1 to form a closed water cooling system; the monitoring device 9 is arranged on the pipeline.
In this embodiment the monitoring device 9 comprises a set of pressure transmitter 91, a set of flow transmitter 92 and a set of flow transmitter 93, the pressure transmitter 91 is arranged on the water inlet pipeline of the circulating pump 3 and the water outlet pipeline of the main filter 7, the flow transmitter 92 is arranged on the pipeline between the outlet of the accelerator 1 and the inlet of the electric heater 5, and the temperature sensor 93 is arranged on the inlet and outlet pipeline of the accelerator 1.
In this embodiment, pressure transmitter 91 includes first pressure transmitter and second pressure transmitter, first pressure transmitter locates on the pipeline between the export of circulating pump 3 and the entry of accelerator 1, second pressure transmitter locates on the pipeline between the export of expansion tank 4 and the entry of water storage tank 2.
In this embodiment, the temperature sensor 93 includes a first temperature sensor and a second temperature sensor, the first temperature sensor is disposed on the pipe between the first pressure transmitter and the inlet of the accelerator 1, and the second temperature sensor is disposed on the pipe between the outlet of the accelerator 1 and the electric heater 5.
In the present embodiment, a fan 8 is provided in the air radiator 6.
In this embodiment, the medical accelerator further includes a casing 11 disposed on the outer side of the axial direction of the medical accelerator, a cold channel 12 and a hot channel 13 are disposed on the outer side of the circumferential direction of the accelerator 1, an air inlet is disposed at the bottom of the casing 11, an air outlet is disposed on the casing between the cold channel 12 and the hot channel 13, the hot channel 13 is disposed on one side of the cold channel 12 in the direction of the center of the circle, and the fan 8 is disposed at the air outlet 15.
In this embodiment, the circulating pump 3 is a variable frequency pump, the working frequency of which is 50Hz, and is externally provided with a frequency converter, and a check valve is arranged in the circulating pump 3.
In this embodiment, the fan 8 is an EC axial flow fan, and a controller is built in the EC axial flow fan.
The air conditioner further comprises an accelerator shell 16, wherein the accelerator shell 16 is arranged on one side of the cold channel 12, a first air inlet 14 is arranged below the accelerator shell 16, a first air outlet is arranged above the accelerator shell, and the first air outlet and the air outlet 15 are correspondingly arranged.
Still include the PLC controller in this embodiment, accelerator 1, water storage tank 2, circulating pump 3, expansion tank 4, electric heater 5, air radiator 6, main filter 7, fan 8 and monitoring devices 9 all are connected with the PLC controller.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a water-air integral type liquid cooling system for medical treatment accelerator which characterized in that: the method comprises the following steps: the water-cooling system comprises a water storage tank (2), a circulating pump (3), an expansion tank (4), an electric heater (5), an air radiator (6), a main filter (7) and a monitoring device (9), wherein the water storage tank (2) is connected with an accelerator (1) through a pipeline, the circulating pump (3) is arranged in the water storage tank (2), the expansion tank (4) is arranged at a water inlet of the circulating pump (3), the electric heater (5) is arranged on the pipeline on one side of a water outlet of the circulating pump (3), the air radiator (6) is arranged on the electric heater (5) and the pipeline close to one side of the water inlet of the circulating pump (3), the water outlet of the water storage tank (2) is connected with a water inlet of the main filter (7) through a pipeline, and the water outlet of the main closed filter (7) is connected with an inlet of the accelerator (1) to form a water-cooling system; the monitoring device (9) is arranged on the pipeline.
2. The water-air integrated liquid cooling system for the medical accelerator according to claim 1, wherein: monitoring devices (9) are including a set of pressure transmitter (91), a set of flow transmitter (92) and a set of temperature sensor (93), pressure transmitter (91) are located on the inlet channel of circulating pump (3) and the outlet conduit of main filter (7), flow transmitter (92) are located on the pipeline between the export of accelerator (1) and electric heater (5) import, temperature sensor (93) are located on the entry and the outlet conduit of accelerator (1).
3. The water-air integrated liquid cooling system for the medical accelerator according to claim 2, wherein: pressure transmitter (91) include first pressure transmitter and second pressure transmitter, first pressure transmitter locates on the pipeline between the export of circulating pump (3) and accelerator (1) entry, second pressure transmitter locates on the pipeline between the export of expansion tank (4) and water storage tank (2) entry.
4. The water-air integrated liquid cooling system for the medical accelerator according to claim 2, wherein: temperature sensor (93) include first temperature sensor and second temperature sensor, first temperature sensor locates on the pipeline between first pressure transmitter and accelerator (1) entry, second temperature sensor locates on the pipeline between accelerator (1) export and electric heater (5).
5. The water-air integrated liquid cooling system for the medical accelerator according to claim 1, wherein: a fan (8) is arranged in the air radiator (6).
6. The water-air integrated liquid cooling system for the medical accelerator according to claim 1, wherein: still including locating casing (11) in the medical treatment accelerator axial outside, the circumferencial direction outside of accelerator (1) is equipped with cold passageway (12) and hot passageway (13), the bottom of casing (11) is equipped with the air intake, is located to be equipped with air outlet (15) on the casing between cold passageway (12) and hot passageway (13), hot passageway (13) are for the outside one side of the centre of a circle direction of cold passageway (12).
7. The water-air integrated liquid cooling system for the medical accelerator according to claim 1, wherein: the circulating pump (3) adopts a variable frequency pump, the working frequency of the variable frequency pump is 50Hz, a frequency converter is externally arranged, and a check valve is arranged in the circulating pump (3).
8. The water-air integrated liquid cooling system for the medical accelerator according to claim 5, wherein: the fan (8) adopts an EC axial flow fan, and a controller is arranged in the EC axial flow fan.
9. The water-air integrated liquid cooling system for the medical accelerator according to claim 1, wherein: still include accelerator shell (16), one side of cold passageway (12) is located in accelerator shell (16), the below of accelerator shell (16) is equipped with first air intake (14), and the top is equipped with first air outlet, first air outlet corresponds the setting with air outlet (15).
10. The water-air integrated liquid cooling system for the medical accelerator according to claim 1, wherein: still include the PLC controller, accelerator (1), water storage tank (2), circulating pump (3), expansion tank (4), electric heater (5), air radiator (6), main filter (7), fan (8) and monitoring devices (9) all are connected with the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123374475.1U CN216603809U (en) | 2021-12-29 | 2021-12-29 | Water-air integrated liquid cooling system for medical accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123374475.1U CN216603809U (en) | 2021-12-29 | 2021-12-29 | Water-air integrated liquid cooling system for medical accelerator |
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| Publication Number | Publication Date |
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| CN216603809U true CN216603809U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123374475.1U Active CN216603809U (en) | 2021-12-29 | 2021-12-29 | Water-air integrated liquid cooling system for medical accelerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN216603809U (en) |
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2021
- 2021-12-29 CN CN202123374475.1U patent/CN216603809U/en active Active
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