阅读说明：本技术 高频腔恒温装置与控制方法及质子/重离子加速器 (High-frequency cavity constant temperature device and control method and proton/heavy ion accelerator ) 是由 刘景源 吕银龙 殷治国 纪彬 邢建升 于 2019-11-04 设计创作，主要内容包括：本发明涉及一种高频腔恒温装置与控制方法及质子/重离子加速器,恒温装置包括冷却装置及恒温加热装置,恒温加热装置的旁通装置旁通连接冷却装置的输送泵与高频腔的冷却液入口端,恒温加热装置的加热器位于旁通装置外与输入端冷却回路外并且在高频腔的冷却液出口端与输送泵之间。恒温加热装置共享冷却装置的输送泵与高频腔内的冷却管路,停机破真空状态时能加热维持高频腔的待机温度。更具体地,输送泵的输入端连接有回流冷却控制阀,以调节控制输送泵的流体输送量,本发明具有缩短高频腔锻炼时间,使加速器更快投入运行的效果。(The invention relates to high-frequency cavity constant temperature devices and control methods and proton/heavy ion accelerators, wherein the constant temperature devices comprise a cooling device and a constant temperature heating device, a bypass device of the constant temperature heating device is connected with a delivery pump of the cooling device and a cooling liquid inlet end of a high-frequency cavity in a bypass mode, a heater of the constant temperature heating device is positioned outside a cooling loop of the bypass device and an input end and between a cooling liquid outlet end of the high-frequency cavity and the delivery pump, the constant temperature heating device shares a delivery pump of the cooling device and a cooling pipeline in the high-frequency cavity, and can heat and maintain the standby temperature of the high-frequency cavity when the high-frequency cavity is stopped and broken in a vacuum state.)

High frequency cavity constant temperature equipment of kinds, characterized in that, be applied to in the proton/heavy ion accelerator, the proton/heavy ion accelerator is equipped with high frequency cavity (10), high frequency cavity constant temperature equipment includes:

a cooling device used for maintaining the operation temperature of the high-frequency cavity (10) and other heating equipment of the proton/heavy ion accelerator in an operation state, the cooling device comprises a th section cooling loop (21), a second section cooling loop (22) and a conveying pump (23) arranged between the th section cooling loop (21) and the second section cooling loop (22), two ends of the th section cooling loop (21) are respectively connected with the conveying pump (23) and a cooling liquid inlet end (11) of the high-frequency cavity (10), a heat exchanger (24) is arranged in the th section cooling loop (21), two ends of the second section cooling loop (22) are respectively connected with a cooling liquid outlet end (12) of the high-frequency cavity (10) and the conveying pump (23), and

a constant temperature heating device for heating and maintaining a standby temperature of the high frequency cavity (10) when the high frequency cavity (10) is in a shutdown state, the constant temperature heating device comprising a bypass device (31) and a heater (32), the heater (32) is positioned outside the bypass device (31) and outside the th section cooling loop (21) and between a cooling liquid outlet end (12) of the high frequency cavity (10) and the delivery pump (23), the bypass device (31) bypasses the delivery pump (23) to the cooling liquid inlet end (11) of the high frequency cavity (10), and the constant temperature heating device shares a cooling pipeline from the cooling liquid inlet end (11) to the cooling liquid outlet end (12) in the high frequency cavity (10) with the delivery pump (23) of the cooling device;

wherein an th cooling control valve (25) is arranged in the second section cooling circuit (22) near the transfer pump (23).

2. The high-frequency chamber thermostat arrangement as claimed in claim 1, characterized in that the bypass arrangement (31) comprises a combination of a bypass circuit (33) and an -th thermal control valve (34) arranged in the bypass circuit (33).

3. The high-frequency cavity thermostat device as claimed in claim 2, characterized in that a second cooling control valve (26) is arranged in the th-stage cooling circuit (21) close to the feed pump (23), or in that the bypass device (31) comprises a bypass valve.

4. The hf cavity thermostat of claim 1 wherein the heater (32) comprises an active heat source, a passive heat source that accepts operating heat from the transfer pump (23), or a combination of both.

5. The high-frequency cavity thermostat device according to claim 1, wherein the cooling device further comprises a water tank (27) disposed in the second-stage cooling circuit (22), the thermostat heating device further comprises a heating circuit (35) and an oil tank (37) disposed in the heating circuit (35), and both ends of the heating circuit (35) are also respectively connected to the cooling liquid outlet port (12) of the high-frequency cavity (10) and the delivery pump (23).

6. The high-frequency chamber thermostat according to claim 5, characterized in that a second heat control valve (36) is arranged in the heating circuit (35) close to the feed pump (23), or/and in that the high-frequency chamber thermostat further comprises an oil-water separator (40) which is connected between the cooling-liquid outlet end (12) of the high-frequency chamber (10) and the second-stage cooling circuit (22) and between the cooling-liquid outlet end (12) of the high-frequency chamber (10) and the heating circuit (35).

7. The high-frequency cavity thermostat device as claimed in claim 1, characterized in that the heater (32) is arranged in the second-stage cooling circuit (22) such that the thermostat heating device shares the second-stage cooling circuit (22) of the cooling device.

8. The high-frequency cavity thermostat device according to of claims 1-7, characterized in that the high-frequency cavity thermostat device further comprises an air supply valve (50) connected between the delivery pump (23) and the th cooling control valve (25).

9, proton/heavy ion accelerator, comprising high-frequency cavity thermostat according to any of claims 1-8.

10, A method for controlling constant temperature of a high-frequency cavity, comprising:

when the proton/heavy ion accelerator is in an operating condition, the operating temperature of the high-frequency cavity (10) is maintained by cooling with a cooling device, a cooling path of the cooling device passes through an th section cooling loop (21) of the cooling device by a delivery pump (23) to a cooling pipeline in the high-frequency cavity (10) and then returns to a second section cooling loop (22) of the cooling device, a heat exchanger (24) is arranged in the th section cooling loop (21), and a cooling control valve is arranged in the second section cooling loop (22) close to the delivery pump (23), and

and when the proton/heavy ion accelerator is in a standby working condition, at least the high-frequency cavity (10) is in a shutdown state, a constant-temperature heating device is used for heating and maintaining the standby temperature of the high-frequency cavity (10), and the constant-temperature heating path of the high-frequency cavity is from the delivery pump (23) to a cooling pipeline in the high-frequency cavity (10) through a bypass device (31) of the constant-temperature heating device and then returns to a heater (32) of the constant-temperature heating device.

Technical Field

The invention relates to the technical field of proton/heavy ion acceleration, in particular to high-frequency cavity constant temperature devices, a control method and a proton/heavy ion accelerator, wherein the proton refers to free ions with the mass number equal to 1, and the heavy ions refer to free ions with the mass number greater than 4.

Background

It is known that proton/heavy ion accelerators can be applied to the fields of medical treatment, semiconductor, atomic physics, material science, life science, new energy research, celestial physics, etc. to provide energy to proton/heavy ions to generate proton/heavy ion energy beams with appropriate acceleration intensity, and how to make the proton/heavy ion accelerators operate more stably is an important subject of , and especially, the goal of enabling the proton/heavy ion accelerators to operate stably under the conditions of adjustable working frequency, variable working load, etc. is more difficult to achieve.

The high frequency system is composed of three parts, namely, a high frequency accelerating electrode, a high frequency resonant cavity and a high frequency power source, the high frequency system is used for providing the high frequency voltage necessary for the cyclotron, which is of the most basic component in the accelerator, and the stability of the working state of the high frequency resonant cavity has a great influence on the performance of the accelerator.

However, the proton/heavy ion accelerator needs to be maintained periodically during the operation service period, and the vulnerable parts are checked and replaced, in the maintenance process, the high-frequency cavity is in contact with the atmosphere or the external gas, the wall surface of the cavity of the high-frequency cavity can absorb a large amount of air, and when the proton/heavy ion accelerator is restarted to operate, the absorbed air can be continuously separated out from the high-frequency cavity, so that the vacuum degree of the high-frequency chamber can be reduced, high-frequency ignition is caused, and the beam quality is reduced.

The original applicant discloses a beam cooling device of a proton accelerator in Chinese patent application publication No. CN108633160A, which belongs to the field of proton accelerators and comprises a heat-conducting beam blocking body, wherein a storage groove is formed in the side wall of the heat-conducting beam blocking body, cooling liquid is stored in the groove, the heat-conducting beam blocking body is connected with the end of a hollow tube body , the other end of the hollow tube body is connected with a heat-conducting condenser, and a cooling inner cavity for cooling the cooling liquid is formed among the groove of the heat-conducting beam blocking body, the inner cavity of the hollow tube body and the condenser.

Disclosure of Invention

The purpose of the invention is to provide high-frequency cavity constant temperature devices, which are used for solving the problems that air is continuously separated out from a high-frequency cavity in the process from overhaul shutdown to operation service of a proton/heavy ion accelerator, high-frequency ignition is caused, the beam quality is reduced or a large amount of high-frequency cavity exercise time is required, so that the proton/heavy ion accelerator can be put into operation more quickly.

Another objective of the present invention is to provide a proton/heavy ion accelerator, which uses the aforementioned high-frequency cavity thermostat to implement a constant temperature cycle to increase the standby temperature of the high-frequency cavity when the high-frequency cavity system is shut down, and to cool and remove the heat in the high-frequency cavity when the high-frequency cavity system is running, and there is no need to change the design of the pipeline in the high-frequency cavity of the proton/heavy ion accelerator.

Another objective of the present invention is to provide constant temperature control methods for the hf cavity to accelerate the exhaust of the hf cavity, make the hf cavity faster and have more electron effect area, and reduce the time from restart to operation.

The invention is realized by the following technical scheme:

A HF cavity thermostat device is provided for use in a proton/heavy ion accelerator, the proton/heavy ion accelerator is provided with a HF cavity, the HF cavity thermostat device comprises a cooling device and a thermostatic heating device, the cooling device is used for maintaining the operation temperature of the HF cavity and other heat generating equipment of the accelerator when the proton/heavy ion accelerator is in an operation state, the cooling device comprises a section cooling loop, a second section cooling loop and a delivery pump arranged between the section cooling loop and the second section cooling loop, two ends of the section cooling loop are respectively connected with the delivery pump and a cooling liquid inlet end of the HF cavity, a heat exchanger is arranged in the section cooling loop, two ends of the second section cooling loop are respectively connected with a cooling liquid outlet end of the HF cavity and the delivery pump, the thermostatic heating device is used for heating and maintaining the stand-by temperature of the HF cavity in a shutdown state, the thermostatic heating device comprises a heater and a bypass device, the heater is arranged outside the bypass device and the section cooling loop and between the cooling liquid outlet end of the HF cavity and the delivery pump, the thermostatic heating device is arranged between the cooling device and the cooling liquid inlet end of the HF cavity, and the cooling pump, and the bypass device is connected with the cooling liquid inlet end of the cooling pump, and the cooling pump, wherein the bypass device is shared by a bypass control pipeline .

By adopting the technical scheme, the heater is positioned outside the bypass device and the th cooling loop and between the high-frequency cavity and the delivery pump, the bypass device is connected with the delivery pump to the high-frequency cavity in a bypass mode, so that the constant-temperature heating device shares the cooling pipeline of the delivery pump of the cooling device and the high-frequency cavity, and the th cooling control valve arranged in the loop cooling loop and close to the delivery pump is utilized, therefore, the proton/heavy ion accelerator is added with a constant-temperature standby working condition in use, the pipeline design in the proton/heavy ion accelerator high-frequency cavity is not required to be changed, the constant-temperature standby working condition can be quickly switched to the operation cooling working condition, and the operation cooling working condition can be quickly switched to the constant-temperature standby working condition.

The invention in a aspect of a preferred example may be further configured such that the bypass device includes a combination of a bypass circuit and a th thermal control valve disposed in the bypass circuit.

The position configuration of the bypass device can be facilitated by using the preferred solution described above, using a combination of the bypass circuit and the th thermal control valve.

The invention in the mode of the preferred example may be further configured such that a second cooling control valve is disposed in the th stage cooling circuit proximate to the transfer pump, or in the second mode of the preferred example may be further configured such that the bypass device includes a bypass valve.

By adopting the technical scheme, the second cooling control valve and the setting position thereof can prevent the heating medium from flowing into the th cooling loop section provided with the heat exchanger, the th cooling loop section can be kept in a low-temperature state, or the th heat control valve and the second cooling control valve are replaced by the bypass valve, so that the design and installation time of the valve member and the pipeline is reduced.

The invention in a second preferred embodiment may be further configured such that the heater comprises an active heat source, a passive heat source that accepts heat from the operation of the transfer pump, or a combination of both.

By adopting the technical scheme, the possible forms of the heater are utilized, the application selection of the heater is expanded, and the input and the heat energy loss of the heating equipment can be reduced by introducing the operation heat of the delivery pump.

In a third preferred example of the present invention, is further configured that the cooling device further includes a water tank disposed in the second section of the cooling circuit, the constant temperature heating device further includes a heating circuit and an oil tank disposed in the heating circuit, and two ends of the heating circuit are also respectively connected to the cooling liquid outlet end of the high frequency cavity and the delivery pump.

By adopting the technical scheme, the heating loop and the oil tank arranged in the heating loop are utilized, the heater can heat the heating working medium in the oil tank, the heating working medium can be heat-conducting oil, the refrigerating working medium can be cooling water, the cooling water is adopted to carry away the heat of the high-frequency cavity through the cooling of the two section cooling loops during operation, and the heat-conducting oil is adopted to maintain the temperature of the high-frequency cavity through the heating loop and the bypass device during standby.

The invention in aspect of the third preferred embodiment may be further configured such that a second thermal control valve is disposed in the heating circuit proximate the transfer pump.

By adopting the technical scheme, the second heat control valve and the configuration relation thereof are utilized, the heating working medium can be prevented from flowing into the delivery pump, and the second section cooling loop can be kept in a low-temperature state.

In a second embodiment of the third preferred embodiment, the high-frequency cavity thermostat device may further include a step of connecting an oil-water separator between the cooling liquid outlet of the high-frequency cavity and the second-stage cooling circuit and between the cooling liquid outlet of the high-frequency cavity and the heating circuit.

By adopting the technical scheme, the installation of a plurality of control valves at the cooling liquid outlet end of the high-frequency cavity can be reduced by utilizing the oil-water separator and the configuration relation thereof, and the automatic separation of the heat conduction oil serving as a heating working medium and the cooling water serving as a refrigerating working medium during backflow is achieved.

The present invention in a fourth preferred example may further be configured such that the heater is provided in the second-stage cooling circuit such that the constant-temperature heating means shares the second-stage cooling circuit of the cooling means.

By adopting the technical scheme, the constant-temperature heating device shares the second section of the cooling loop by utilizing the heater and the configuration relation thereof, so that the configuration of the heating loop can be saved.

The invention in a fifth preferred embodiment may be further configured such that the hf cavity thermostat further includes an air supply valve connected between the transfer pump and the th cooling control valve.

By adopting the technical scheme, gas can be introduced into the pipeline in the switching process of the constant-temperature standby working condition and the operation cooling working condition by utilizing the gas source valve and the configuration relation thereof so as to quickly discharge the heating/refrigerating working medium in the high-frequency cavity.

Another object of the present invention is achieved by a proton/heavy ion accelerator using any of the above-described exemplary embodiments of the high-frequency cavity thermostat or possible combinations of multiple embodiments thereof.

The invention also aims to and is realized by the following technical scheme:

the method comprises the steps of providing constant temperature control methods for a high-frequency cavity, wherein the constant temperature control methods at least comprise the operation under two working conditions, namely an acceleration working condition and a standby working condition of a proton/heavy ion accelerator, under the operation working condition of the proton/heavy ion accelerator, the high-frequency cavity is in a vacuum running state, a cooling device is used for cooling and maintaining the operation temperature of the high-frequency cavity, a cooling path of the high-frequency cavity is passed through a section cooling loop of the cooling device by a delivery pump to a cooling pipeline in the high-frequency cavity and then returned to a second section cooling loop of the cooling device, a heat exchanger is arranged in the section cooling loop, a cooling control valve is arranged in the second section cooling loop close to the delivery pump, under the standby working condition of the proton/heavy ion accelerator, the high-frequency cavity is in a vacuum breaking state of a shutdown state, the high-frequency cavity is in a vacuum debugging state before running, more than or states, and the constant temperature heating device is used for heating and maintaining the standby temperature of the high-frequency cavity, and the constant temperature heating path of the high-frequency cavity is.

By adopting the technical scheme, the constant-temperature standby working condition of preheating of the proton/heavy ion accelerator is realized, the constant-temperature heating device can share the cooling device, the conveying pump and the cooling pipeline from the cooling liquid inlet end to the cooling liquid outlet end in the high-frequency cavity do not need to be changed, and the equipment universality of the high-frequency cavity is improved.

In summary, the invention includes at least beneficial technical effects:

1. by utilizing the connection relation between the constant-temperature heating device in the high-frequency cavity constant-temperature device and the constant-temperature heating device, the proton/heavy ion accelerator increases the constant-temperature standby working condition in use, so that the gas absorption in the high-frequency cavity is reduced or/and the gas separation in the high-frequency cavity is accelerated, the exercise time of the high-frequency cavity is effectively shortened, and the operation of the proton/heavy ion accelerator is accelerated;

2. the proton/heavy ion accelerator can play a role of preheating constant-temperature standby, and the constant-temperature heating device shares a delivery pump of the cooling device and a cooling pipeline in the high-frequency cavity without changing the pipeline design in the high-frequency cavity of the proton/heavy ion accelerator;

3. the proton/heavy ion accelerator can be quickly switched to a constant-temperature standby working condition from operation cooling, an th cooling control valve arranged in a cooling loop close to the delivery pump can prevent a backflow refrigerating working medium from accidentally entering a bypass device for delivering a heating fluid, and the switching from operation cooling to the constant-temperature standby working condition is accelerated, or/and the flow of the refrigerating working medium from the cooling loop to the delivery pump can be adjusted and controlled;

4. the proton/heavy ion accelerator can be rapidly switched to the operating and cooling working condition from the constant temperature standby state, the heating working medium heated by the heater can enter the cooling pipeline in the high-frequency cavity through the bypass device without passing through the th section of cooling loop provided with the heat exchanger, and the switching from the constant temperature standby state to the operating and cooling working condition is accelerated.

Drawings

FIG. 1 is a block diagram illustrating a high-frequency cavity thermostat device according to a preferred embodiment of the invention.

FIG. 2 is a block diagram illustrating a high-frequency cavity thermostat device according to a second preferred embodiment of the present invention.

FIG. 3 is a block diagram illustrating a third embodiment of a method for controlling the temperature of the high frequency cavity.

Reference numeral 10, a high-frequency cavity, 11, a cooling liquid inlet end, 12, a cooling liquid outlet end, 21, sections of cooling loops, 22, a second section of cooling loop, 23, a delivery pump, 24, a heat exchanger, 25, cooling control valves, 26, a second cooling control valve, 27, a water tank, 31, a bypass device, 32, a heater, 33, a bypass loop, 34, a heat control valve, 35, a heating loop, 36, a second heat control valve, 37, an oil tank, 38, a liquid storage tank, 40, an oil-water separator, 50 and an air source valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of the present invention, rather than all embodiments.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, motion situation, etc. of each component in a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indications are changed accordingly.

The hf cavity thermostat, the control method and the proton/heavy ion accelerator of the present invention will be described in further detail at step , but should not limit the scope of the present invention.

Referring to fig. 1, the high frequency cavity constant temperature device disclosed as the embodiment of the invention is applied to the high frequency system of the proton/heavy ion accelerator, the proton/heavy ion accelerator is provided with a high frequency cavity 10, the high frequency cavity constant temperature device comprises a cooling device and a constant temperature heating device, the high frequency cavity 10 has high frequency resonant cavities.

The cooling device is used for maintaining the operation temperature of the high-frequency cavity 10 and other heat generating equipment of the proton/heavy ion accelerator in an operation state, and comprises a th section cooling circuit 21, a second section cooling circuit 22 and a delivery pump 23 arranged between the th section cooling circuit 21 and the second section cooling circuit 22, two ends of the th section cooling circuit 21 are respectively connected with the delivery pump 23 and a cooling liquid inlet end 11 of the high-frequency cavity 10, a heat exchanger 24 is arranged in the th section cooling circuit 21, two ends of the second section cooling circuit 22 are respectively connected with a cooling liquid outlet end 12 of the high-frequency cavity 10 and the delivery pump 23, a th section of the delivery pump 23 is used for delivering a refrigerating working medium in the second section cooling circuit 22 to the heat exchanger 24 of the th section cooling circuit 21, and the heat exchanger 24 provides a low-temperature refrigerating working medium and delivers the refrigerating working medium to a cooling pipeline in the high-frequency cavity 10 through the th section cooling circuit 21.

The constant temperature heating device is used for heating and maintaining the standby temperature of the high frequency cavity 10 when the high frequency cavity 10 is in a shutdown state such as shutdown vacuum breaking or vacuum pre-operation debugging, and the like, and comprises a bypass device 31 and a heater 32, wherein the heater 32 is positioned outside the bypass device 31 and outside the th section cooling loop 21 and between the cooling liquid outlet end 12 of the high frequency cavity 10 and the delivery pump 23, the bypass device 31 bypasses and connects the delivery pump 23 to the cooling liquid inlet end 11 of the high frequency cavity 10, so that the constant temperature heating device shares the delivery pump 23 of the cooling device and the cooling pipeline from the cooling liquid inlet end 11 to the cooling liquid outlet end 12 in the high frequency cavity 10, the heat delivery length of the bypass device 31 is desirably shorter than the cold delivery length of the th section cooling loop 21, therefore, the delivery pump 23 additionally has a second function of delivering the heating working medium generated by the heater 32 to the bypass device 31 and then to the cooling pipeline in the high frequency cavity 10.

An th cooling control valve 25 (refer to the position of the valve 1 in fig. 1) is arranged in the second-stage cooling circuit 22 close to the delivery pump 23. the th cooling control valve 25 can control or regulate the flow rate of the refrigerating and heating working medium delivered to the delivery pump 23, or can prevent the backflow refrigerating working medium from accidentally flowing out to the delivery pump 23 during heating.

The implementation principle of the embodiment is that the heater 32 is positioned outside the bypass device 31 and outside the -th section cooling circuit 21 and between the high-frequency cavity 10 and the delivery pump 23, the bypass device 31 bypasses and connects the delivery pump 23 to the high-frequency cavity 10, so that the constant-temperature heating device shares the cooling pipelines in the delivery pump 23 and the high-frequency cavity 10 of the cooling device, and the -th cooling control valve 25 arranged in the cooling circuit close to the delivery pump 23, therefore, the proton/heavy ion accelerator is added with a constant-temperature standby working condition in use, the pipeline design in the high-frequency cavity of the proton/heavy ion accelerator does not need to be changed, the working condition of switching from constant-temperature standby to running cooling can be rapidly carried out, and the working condition of switching from running cooling to constant-temperature standby can be rapidly carried out.

Regarding the specific forms of the bypass device, in this embodiment or other equivalent similar examples, the bypass device 31 may more specifically include the combination of the bypass circuit 33 and the th thermal control valve 34 disposed in the bypass circuit 33. with the combination of the bypass circuit 33 and the th thermal control valve 34, the th thermal control valve 34 can refer to the valve 3 position of fig. 1, which can facilitate the positional arrangement of the bypass device 31. even with the bypass circuit 33, the heat transport length of the bypass device 31 is preferably shorter than the cold transport length of the th stage cooling circuit 21.

With respect to specific arrangement relationships of the -stage cooling circuit, in this embodiment or other equivalent similar examples, a second cooling control valve 26 (refer to the valve 4 position in fig. 1) may be disposed in the -stage cooling circuit 21 near the transfer pump 23, the second cooling control valve 26 and its arrangement position may be used to prevent the heating fluid from flowing into the -stage cooling circuit 21 in which the heat exchanger 24 is disposed, and the -stage cooling circuit 21 may be maintained in a low temperature state, the heat exchanger 24 may specifically be a compressor refrigeration unit, or a heat exchange fluid having a lower temperature than the fluid of the -stage cooling circuit 21 when passing through the heat exchanger 24 may be used, or, with respect to another -specific form of the bypass device, in another -variation example, a -step configuration may be made such that the bypass device 31 includes a bypass valve, and a three-way valve member is used instead of the -way valve member 34 and the second cooling bypass valve member 26 to reduce the design and installation time.

Regarding the heater, in this embodiment or other equivalent similar examples, the heater 32 may specifically include an active heat source, a passive heat source that receives heat from the operation of the delivery pump 23, or a combination of the two. The possible forms of the heater are utilized to expand the applicable choices of the heater, and the input of the heating equipment and the heat energy loss can be reduced by introducing the operation heat of the conveying pump 23. The active heat source may be, for example, an electrical heating device, which may rapidly raise the temperature of the hf cavity in a standby state, since power from the hf transmitter cannot enter the hf cavity.

Based on the specific structure of the different return paths of the refrigeration working medium and the heating working medium, in this embodiment or other similar examples, the cooling device may further include a water tank 27 disposed in the second-stage cooling circuit 22, the constant-temperature heating device may further include a heating circuit 35 and an oil tank 37 disposed in the heating circuit 35, and two ends of the heating circuit 35 are also respectively connected to the cooling liquid outlet end 12 of the high-frequency cavity 10 and the delivery pump 23. Therefore, by using the heating circuit 35 and the oil tank 37 arranged in the heating circuit 35, the heater 32 can heat the heating working medium in the oil tank 37, the heating working medium can be heat transfer oil, the refrigerating working medium can be cooling water, the cooling water is used for cooling the two section cooling circuits to take away the heat of the high-frequency cavity 10 during operation, and the heat transfer oil is used for maintaining the temperature of the high-frequency cavity 10 through the heating circuit 35 and the bypass device 31 during standby. The heater 32 may be installed in the oil tank 37.

With respect to the specific arrangement of heating circuits, in this embodiment or other equivalent similar examples, a second thermal control valve 36 (see valve 2 position in fig. 1) may be disposed in the heating circuit 35 near the transfer pump 23. with the second thermal control valve 36 and its arrangement, the flow of heating medium into the transfer pump 23 may be avoided, and the second-stage cooling circuit 22 may be maintained in a low temperature state.

With respect to backflow patterns of the cooling working medium and the heating working medium, in this embodiment or other similar examples, the high-frequency cavity thermostat device may further include an oil-water separator 40 connected between the cooling liquid outlet end 12 of the high-frequency cavity 10 and the second-stage cooling circuit 22 and between the cooling liquid outlet end 12 of the high-frequency cavity 10 and the heating circuit 35, and by using the oil-water separator 40 and its configuration relationship, the installation of a plurality of control valves at the cooling liquid outlet end 12 of the high-frequency cavity 10 may be reduced, and the automatic separation of the heat conduction oil as the heating working medium and the cooling water as the cooling working medium during backflow is achieved.

With respect to specific modes for rapidly switching the cooling working medium and the heating working medium, in this embodiment or other equivalent similar examples, the high-frequency cavity thermostat device may further include an air source valve 50 connected between the delivery pump 23 and the th cooling control valve 25, and by using the air source valve 50 and its configuration relationship, during the switching process between the constant-temperature standby working condition and the operation cooling working condition, air may be introduced into the pipeline to rapidly discharge the heating/cooling working medium in the high-frequency cavity 10.

In the specific construction of , the distance between the delivery pump 23 and the second cooling control valve 26 (valve 4), the distance between the heat control valve 34 (valve 3) and the heat exchanger 24 should be far enough to prevent the heat exchanger 24 from being burned out, and the pipeline of the cooling loop 21 at the section should be mainly welded as much as possible to prevent the sealing parts from being burned out due to overhigh temperature.

The hf cavity thermostat can be provided with corresponding control elements and programs for switching between the cooling mode and the thermostatic standby mode.

The following description is given for the sake of facilitating understanding of the technical aspects of the present invention, but not for limiting the present invention.

Fig. 2 shows high frequency cavity thermostat device disclosed in the second embodiment of the present invention, which is applied to a proton/heavy ion accelerator, wherein the proton/heavy ion accelerator is provided with a high frequency cavity 10, the high frequency cavity thermostat device includes a cooling device and a thermostatic heating device, the cooling device is used for maintaining the operating temperature of the high frequency cavity 10 and other heat generating devices of the accelerator when the proton/heavy ion accelerator is in an operating state, the cooling device includes a -th section cooling circuit 21, a second section cooling circuit 22 and a delivery pump 23 disposed between the -th section cooling circuit 21 and the second section cooling circuit 22, two ends of the -th section cooling circuit 21 are respectively connected to the delivery pump 23 and the cooling liquid inlet port 11 of the high frequency cavity 10, a heat exchanger 24 is disposed in the -th section cooling circuit 21, two ends of the second section cooling circuit 22 are respectively connected to the cooling liquid outlet port 12 of the high frequency cavity 10 and the delivery pump 23, the thermostatic heating device includes a thermostatic heating device and a bypass cooling liquid control valve 32, the cooling device is disposed between the high frequency cavity 10 and the delivery pump 23, and the cooling liquid inlet port 23, and the cooling circuit 23, and the cooling device is connected to the high frequency cavity 10, the cooling circuit 32, and the bypass cooling circuit 23, wherein the cooling device is connected to the bypass cooling device 5923, and the cooling device 23, the cooling device is disposed outside the high frequency cooling device 12, and the cooling bypass cooling device 5923, and the high frequency cooling device is connected to bypass cooling device 5923, and the high frequency cooling device 12, and the bypass cooling device 5923, and the bypass cooling device is connected to bypass cooling device 5923.

Regarding another backflow patterns of the cooling medium and the heating medium, in this embodiment or other equivalent similar examples, the heater 32 may be disposed in the second cooling circuit 22, so that the constant temperature heating device shares the second cooling circuit 22 of the cooling device, and by using the heater 32 and its configuration relationship, the constant temperature heating device shares the second cooling circuit 22, which can save the configuration of the heating circuit 35.

Regarding the specific setting relationship of types of the second-stage cooling circuit, more specifically, the second-stage cooling circuit 22 may be provided with a liquid storage tank 38 instead of a water tank and an oil tank, the liquid storage tank 38 may contain a cooling working medium and a heating working medium at the same time, or a working medium having both cooling and heating functions may be selected as a heat-conducting and cold-conducting substance, and the heater 32 heats the heating working medium or the cooling and heating working medium in the liquid storage tank 38.

In addition, another embodiment of the present invention discloses and proposes a proton/heavy ion accelerator using any high-frequency cavity thermostats, which may include an ion source system, a particle transport system, and a high-frequency system, in addition to the high-frequency cavity thermostats, the high-frequency system is used to provide the ions with the high-frequency voltage necessary for the cyclotron, and has a high-frequency cavity, which enables the high-frequency cavity 10 to have a constant-temperature standby function.

Referring to fig. 3, high frequency cavity constant temperature methods are disclosed for a third embodiment of the present invention, which include at least two operating conditions, an acceleration condition and a standby condition of a proton/heavy ion accelerator, respectively.

Step S1, when the proton/heavy ion accelerator is in an operating condition, the high-frequency cavity 10 is in an operating vacuum state, the cooling device is used for cooling and maintaining the operating temperature of the high-frequency cavity 10, the cooling path of the cooling device is from the delivery pump 23 to the cooling pipeline in the high-frequency cavity 10 through the section cooling circuit 21 of the cooling device, and then returns to the second section cooling circuit 22 of the cooling device, the section cooling circuit 21 is provided with the heat exchanger 24, and the second section cooling circuit 22 is provided with the cooling control valve close to the delivery pump 23.

And S3, in the standby working condition of the proton/heavy ion accelerator, heating by a constant temperature heating device to maintain the standby temperature of the high frequency cavity 10, wherein the standby working condition comprises that the high frequency cavity 10 is in a shutdown vacuum breaking state, and the high frequency cavity is in more than or states of a vacuum debugging state before operation, and the constant temperature heating path is from the delivery pump 23 to a cooling pipeline in the high frequency cavity 10 through a bypass device 31 of the constant temperature heating device and then returns to a heater 32 of the constant temperature heating device.

Therefore, the constant-temperature standby working condition of preheating the proton/heavy ion accelerator is realized, the constant-temperature heating device can share the conveying pump 23 of the cooling device and the cooling pipeline from the cooling liquid inlet end 11 to the cooling liquid outlet end 12 in the high-frequency cavity 10, the pipeline design in the high-frequency cavity 10 of the proton/heavy ion accelerator does not need to be changed, and the equipment universality of the high-frequency cavity 10 is improved.

Usually, a step S2 of switching the th operating mode may be provided between the step S1 and the step S3, and a step S4 of switching the second operating mode may be provided after the step S3, so as to return to the step S1. the switching time between the step S2 and the step S4 can be effectively shortened, in the step S2 of switching the operating mode, the high frequency chamber 10 is switched from vacuum to a vacuum breaking state, in a preferred embodiment, nitrogen gas can be injected into the high frequency chamber 10, and the types of gas absorbed by the walls of the high frequency chamber can be reduced by absorbing nitrogen gas, and the time of re-operating to a stable state can be more efficiently reduced by matching with the step S3, thereby reducing the exercise time during the starting process.

Taking the high-frequency cavity constant temperature method actually performed by using the high-frequency cavity constant temperature device under the specific architecture of the th embodiment as an example:

and step S1, cooling the high-frequency cavity 10, wherein the refrigerant sequentially passes through the second cooling control valve 26, the heat exchanger 24, the high-frequency cavity 10, the oil-water separator 40, the water tank 27 and the cooling control valve 25 by taking the delivery pump 23 as a starting point to form a cooling loop, and at the moment, the air source valve 50, the thermal control valve 34 and the second thermal control valve 36 are closed.

And S3, enabling the high-frequency cavity 10 to be in a constant-temperature standby working condition, enabling the heating working medium to sequentially pass through the thermal control valve 34, the high-frequency cavity 10, the oil-water separator 40, the oil tank 37 and the second thermal control valve 36 by taking the delivery pump 23 as a starting point to form a constant-temperature loop, and at the moment, closing the -th cooling control valve 25, the second cooling control valve 26 and the air source valve 50.

Step S2 of switching mode is to switch cooling mode to thermostatic standby mode, open air supply valve 50, blow most of the refrigerant in the line into water tank 27, then close air supply valve 50, cooling control valve 25, second cooling control valve 26, and open thermal control valve 34, second thermal control valve 36.

And a second switching mode step S4, switching the thermostatic standby mode to the cooling mode, opening the air supply valve 50, blowing most of the heating medium in the pipeline, such as oil, into the oil tank 37, then closing the air supply valve 50, the th thermal control valve 34 and the second thermal control valve 36, and opening the th cooling control valve 25 and the second cooling control valve 26.

Without limitation, the high-frequency cavity constant temperature method described above may also be performed using the high-frequency cavity constant temperature apparatus of the second embodiment.

In conclusion, after the high-frequency cavity constant-temperature device is added, the exhaust of the high-frequency cavity can be accelerated, the high-frequency cavity is enabled to pass through a multi-electron effect region, and the time from restarting to running working conditions of the accelerator is shortened.

The above or embodiments of the present invention are only examples for easy understanding or implementing the technical solution of the present invention, and are not to be construed as limiting the scope of the present invention, and all equivalent changes in the structure, shape and principle of the present invention should be covered by the claims of the present invention.