CN208271677U - A kind of liquid helium condensing superconducting magnet running state monitoring system again - Google Patents
A kind of liquid helium condensing superconducting magnet running state monitoring system again Download PDFInfo
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- CN208271677U CN208271677U CN201820832311.8U CN201820832311U CN208271677U CN 208271677 U CN208271677 U CN 208271677U CN 201820832311 U CN201820832311 U CN 201820832311U CN 208271677 U CN208271677 U CN 208271677U
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Abstract
The utility model embodiment discloses a kind of liquid helium condensing superconducting magnet running state monitoring system again.The system includes: superconducting magnet, refrigeration machine and monitor；Wherein, superconducting magnet includes coil, liquid helium vessel, interior cold screen and outer cold screen；Coil is in inside liquid helium vessel, and liquid helium vessel is set to inside interior cold screen and outer cold screen；Further include: the first thermometer being set on outer cold screen outer wall, the second temperature meter being set on interior cold screen inner wall, the third thermometer being set at one level position of refrigeration machine outer surface, the 4th thermometer being set at the secondary location of refrigeration machine outer surface；It is set to the intracorporal first liquid level gauge in liquid helium vessel cavity inner cavity；The pressure sensor being set at the top of liquid helium vessel wall can be realized the safe and stable operation for guaranteeing superconducting magnet by the technical solution of the utility model.
Description
Technical field
The utility model embodiment is related to monitoring technology more particularly to a kind of liquid helium condensing superconducting magnet operating status again
Monitoring system.
Background technique
Superconductor technology is led in the energy, information, traffic, scientific instrument, medical technology, national defence and major scientific projects etc. at present
Domain has extensive and important application, wherein being concentrated mainly on superconducting power, superconducting energy storage and medical diagnosis and research login
Field, and the application in the fields such as communications and transportation and materials processing industries, scientific exploration is also evolving.
Currently, the low temperature environment of superconducting magnet system operation is mainly provided by three kinds of modes, it is that cryogenic liquid impregnates respectively
Formula is cooling, condensing is cooling again and refrigeration machine conduction cools down.Wherein liquid helium immersion type superconducting magnet needs to expend more liquid helium, because
The superconducting magnet of this industrial application generally uses the conduction of aneroid helium refrigerator cooling or condensing cooling again.
It is simple using the cooling operation of the superconducting magnet of the conduction type of cooling and maintenance, but superconducting magnet is cooling to superconduction shape
The state time is longer, is unfavorable for the demand of continuous operation；The superconducting magnet structure design for impregnating zero evaporation type using liquid helium is opposite to be passed
It is relatively simple to lead the type of cooling, cool down is quick, and superconducting magnet is cooling sufficiently complete, but stablizes to superconducting magnet and transport
The requirement of row safety is promoted, if superconducting magnet has operational safety, cooling down operation of being infused again is complex, gives user
It makes troubles.
Utility model content
The utility model embodiment provides a kind of liquid helium condensing superconducting magnet running state monitoring system again, is protected with realizing
Demonstrate,prove the safe and stable operation of superconducting magnet.
In a first aspect, the utility model embodiment provides a kind of liquid helium condensing superconducting magnet running state monitoring system again
System, comprising: superconducting magnet, refrigeration machine and monitor；Wherein, the superconducting magnet includes coil, liquid helium vessel, interior cold screen and outer
Cold screen；The coil is in inside the liquid helium vessel, and the liquid helium vessel is set to inside the interior cold screen and outer cold screen；
Further include: the first thermometer being set on the outer cold screen outer wall, be set on the interior cold screen inner wall
Two thermometers, the third thermometer being set at one level position of refrigeration machine outer surface, are set to the refrigeration machine outer surface
The 4th thermometer at secondary location；It is set to the intracorporal first liquid level gauge of liquid helium vessel chamber；The liquid helium is set to hold
Pressure sensor at the top of wall；
The monitor and first thermometer, second temperature meter, third thermometer, the 4th thermometer, the first liquid level
Meter is connected with pressure sensor, and the monitor has the first input end of the temperature value for obtaining the acquisition of the first thermometer,
The of temperature value by obtaining the second input terminal of the temperature value acquired based on second temperature, for obtaining the acquisition of third thermometer
Three input terminals, for obtain the 4th thermometer acquisition temperature value the 4th input terminal, for obtain first liquid level gauge acquisition
6th input terminal of the 5th input terminal of level value and the pressure value for obtaining pressure sensor acquisition, first thermometer
Output end with the temperature value for exporting acquisition, the second temperature meter have the output of the temperature value for exporting acquisition
End, the third thermometer have the output end of the temperature value for exporting acquisition, and the 4th thermometer has for exporting
The output end of the temperature value of acquisition, the first liquid level gauge have the output end of the level value for exporting acquisition, the pressure
Sensor has the output end of the pressure value for exporting acquisition；The of the output end of first thermometer and the monitor
One input terminal is connected, and the output end of the second temperature meter is connected with the second input terminal of the monitor, the third temperature
The output end of meter is connected with the third input terminal of the monitor, and the of the output end of the 4th thermometer and the monitor
Four input terminals are connected, and the output end of the first liquid level gauge is connected with the 5th input terminal of the monitor, the pressure sensing
The output end of device is connected with the 6th input terminal of the monitor.
Further, the first liquid level gauge is flexible liquidometer.
Further, the pressure sensor is gas pressure sensor.
Further, further includes: heater, the heater are connected with the monitor and the superconducting magnet, are used for
When the pressure value of pressure sensor acquisition exceeds safe range, the superconducting magnet is heated, so that described
Helium pressure force value in liquid helium vessel is restored to safe range.
Further, further includes: promptly quench device, wherein device and the heater and described of promptly quenching
Monitor is connected, for heating signal being sent to the heater, so that the heating when receiving outer triggering signal
Device heats the superconducting magnet until the superconducting magnet quenches
Further, first thermometer is set to the outer cold screen outer wall Z-direction middle position, wherein X to and Y-direction
It is radial for the outer cold screen.
Further, the first liquid level gauge is arranged along the liquid helium vessel wall.
Further, further includes: the 5th thermometer, the 5th thermometer are set on the outer cold screen outer wall, or
5th thermometer is set on the interior cold screen inner wall.
Further, further includes: second liquid level gauge, the second liquid level gauge are set in the liquid helium vessel cavity.
Further, further includes: warning device；
The warning device is connected with the monitor, temperature value, the second temperature for acquiring in first thermometer
The temperature value of degree meter acquisition, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquisition
Level value and at least one of the pressure value of pressure sensor acquisition when meeting alert if, alarm.
Further, further includes: display screen；
The display screen is connected with the monitor, for showing temperature value, the second temperature of the first thermometer acquisition
The temperature value of degree meter acquisition, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquisition
Level value and pressure sensor acquisition at least one of pressure value.
The utility model embodiment passes through superconducting magnet, refrigeration machine and monitor；Wherein, superconducting magnet includes coil, liquid
Helium vessel, interior cold screen and outer cold screen；Coil is in inside liquid helium vessel, and liquid helium vessel is set to inside interior cold screen and outer cold screen；
Further include: the first thermometer being set on outer cold screen outer wall, the second temperature meter being set on interior cold screen inner wall are set to system
Third thermometer at one level position of cold outer surface, the 4th thermometer being set at the secondary location of refrigeration machine outer surface；If
It is placed in the intracorporal first liquid level gauge of liquid helium vessel chamber；The pressure sensor being set at the top of liquid helium vessel wall；Monitor and first
Thermometer, second temperature meter, third thermometer, the 4th thermometer, first liquid level gauge are connected with pressure sensor, and monitor has
For obtaining the first input end of the temperature value of the first thermometer acquisition, by obtaining the of the temperature value acquired based on second temperature
Two input terminals, for obtain third thermometer acquisition temperature value third input terminal, for obtains the 4th thermometer acquire
4th input terminal of temperature value, for obtain first liquid level gauge acquisition level value the 5th input terminal and for obtain pressure pass
6th input terminal of the pressure value of sensor acquisition, output end of first thermometer with the temperature value for exporting acquisition, second
Thermometer has the output end of the temperature value for exporting acquisition, and third thermometer has the defeated of the temperature value for exporting acquisition
Outlet, the 4th thermometer have the output end of the temperature value for exporting acquisition, and first liquid level gauge has for exporting acquisition
The output end of level value, pressure sensor have the output end of the pressure value for exporting acquisition；The output end of first thermometer
It is connected with the first input end of monitor, the output end of second temperature meter is connected with the second input terminal of monitor, third temperature
The output end of meter is connected with the third input terminal of monitor, the 4th input terminal phase of the output end and monitor of the 4th thermometer
Even, the output end of first liquid level gauge is connected with the 5th input terminal of monitor, and the of the output end of pressure sensor and monitor
Six input terminals are connected, to realize the safe and stable operation for guaranteeing superconducting magnet.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is one of the utility model embodiment one liquid helium condensing superconducting magnet running state monitoring system again
Structural schematic diagram；
Fig. 2 is the diagram of the superconducting magnet in the utility model embodiment one；
Fig. 3 is one of the utility model embodiment one liquid helium condensing superconducting magnet running state monitoring system again
Diagram；
Fig. 4 is the temperature measuring circuit figure in the utility model embodiment one；
Fig. 5 is the level gauging circuit diagram in the utility model embodiment one；
Fig. 6 is the pressure measurement circuitry figure in the utility model embodiment one；
Fig. 7 is one of the utility model embodiment one liquid helium condensing superconducting magnet running state monitoring system again
Work flow diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.
Embodiment one
Fig. 1 is one of the utility model embodiment one liquid helium condensing superconducting magnet running state monitoring system again
Structural schematic diagram, as shown in Figure 1, the system includes: superconducting magnet 110, refrigeration machine 120 and monitor 130；
Wherein, the superconducting magnet includes coil, liquid helium vessel, interior cold screen and outer cold screen；The coil is in the liquid
Inside helium vessel, the liquid helium vessel is set to inside the interior cold screen and outer cold screen；
Specifically, the arrangement of the coil, liquid helium vessel, interior cold screen and outer cold screen is as shown in Fig. 2, the coil is in institute
It states inside liquid helium vessel, the liquid helium vessel is set to inside the interior cold screen and outer cold screen.It is the coil, liquid helium vessel, interior
There are vacuum interlayers between cold screen and outer cold screen.The superconducting magnet further includes room temperature container, and room temperature container is in outermost layer.
Further include: the first thermometer being set on the outer cold screen outer wall, be set on the interior cold screen inner wall
Two thermometers, the third thermometer being set at one level position of refrigeration machine outer surface, are set to the refrigeration machine outer surface
The 4th thermometer at secondary location；It is set to the intracorporal first liquid level gauge of liquid helium vessel chamber；The liquid helium is set to hold
Pressure sensor at the top of wall；
The monitor and first thermometer, second temperature meter, third thermometer, the 4th thermometer, the first liquid level
Meter is connected with pressure sensor, and the monitor has the first input end of the temperature value for obtaining the acquisition of the first thermometer,
The of temperature value by obtaining the second input terminal of the temperature value acquired based on second temperature, for obtaining the acquisition of third thermometer
Three input terminals, for obtain the 4th thermometer acquisition temperature value the 4th input terminal, for obtain first liquid level gauge acquisition
6th input terminal of the 5th input terminal of level value and the pressure value for obtaining pressure sensor acquisition, first thermometer
Output end with the temperature value for exporting acquisition, the second temperature meter have the output of the temperature value for exporting acquisition
End, the third thermometer have the output end of the temperature value for exporting acquisition, and the 4th thermometer has for exporting
The output end of the temperature value of acquisition, the first liquid level gauge have the output end of the level value for exporting acquisition, the pressure
Sensor has the output end of the pressure value for exporting acquisition；The of the output end of first thermometer and the monitor
One input terminal is connected, and the output end of the second temperature meter is connected with the second input terminal of the monitor, the third temperature
The output end of meter is connected with the third input terminal of the monitor, and the of the output end of the 4th thermometer and the monitor
Four input terminals are connected, and the output end of the first liquid level gauge is connected with the 5th input terminal of the monitor, the pressure sensing
The output end of device is connected with the 6th input terminal of the monitor.
Specifically, impregnating the superconducting magnet system of zero evaporation type for liquid helium, superconducting magnet is placed in liquid helium vessel,
And liquid helium vessel is placed in a vacuum cavity, the space between vacuum cavity and liquid helium vessel is evacuated.Usually
Thermal radiation is set between vacuum cavity and liquid helium vessel, i.e., cold screen is also taken out between cold screen and external room temperature Dewar
At vacuum.In order to guarantee the safe and stable operation of superconducting magnet, it is necessary to the temperature in superconducting magnet operational process, liquid helium liquid
Position, liquid helium vessel helium gas inside pressure etc. are continuously measured monitoring, after secure threshold of these measurement parameters beyond setting
Disposition appropriate is carried out, should ensure that the safety of superconducting magnet system.
Optionally, the first liquid level gauge is flexible liquidometer.
Optionally, the pressure sensor is gas pressure sensor.
Optionally, further includes: heater, the heater are connected with the monitor and the superconducting magnet, are used for
When the pressure value of the pressure sensor acquisition exceeds safe range, the superconducting magnet is heated, so that the liquid
Helium pressure force value in helium vessel is restored to safe range.
Optionally, further includes: promptly quench device, wherein described promptly to quench device and the heater and the prison
It controls device to be connected, for heating signal being sent to the heater, so that the heater when receiving outer triggering signal
The superconducting magnet is heated until the superconducting magnet quenches
Optionally, first thermometer is set to the outer cold screen outer wall Z-direction middle position, wherein X is to Y-direction
The outer cold screen is radial.
Optionally, the first liquid level gauge is arranged along the liquid helium vessel wall.
Optionally, further includes: the 5th thermometer, the 5th thermometer are set on the outer cold screen outer wall, Huo Zhesuo
The 5th thermometer is stated to be set on the interior cold screen inner wall.
Optionally, further includes: second liquid level gauge, the second liquid level gauge are set in the liquid helium vessel cavity.
Optionally, further includes: warning device；
The warning device is connected with the monitor, temperature value, the second temperature for acquiring in first thermometer
The temperature value of degree meter acquisition, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquisition
Level value and at least one of the pressure value of pressure sensor acquisition when meeting alert if, alarm.
Optionally, further includes: display screen；
The display screen is connected with the monitor, for showing temperature value, the second temperature of the first thermometer acquisition
The temperature value of degree meter acquisition, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquisition
Level value and pressure sensor acquisition at least one of pressure value.
Specifically, running state monitoring system is to superconducting magnet system temperature, liquid helium level, liquid helium vessel internal pressure etc.
It is monitored；Meanwhile monitor installation promptly quenches button, when there are abnormal conditions in superconducting magnet system operational process pair
Superconducting magnet is heated, and is induced superconducting magnet and is quenched quick demagnetization, to carry out emergency processing to abnormal conditions.
Specifically, can be to superconducting magnet operating status, including temperature, liquid helium level, helium by running state monitoring system
The parameters such as atmospheric pressure carry out continuing monitoring, are controlled the helium pressure in liquid helium vessel within safe range by controller,
Guarantee the safe operation of superconducting magnet；Superconducting magnet electric current and magnetic field in case of emergency can be quickly exited simultaneously, convenient for quick
Carry out emergency processing.
Monitor includes 5 road constant-current source output modules, and 5 tunnel, 10 μ A constant-current source provides power supply for 5 thermometer measures, and 3
Thermometer monitors the temperature of cold screen on cold screen, other two thermometer is on refrigeration machine for determining the performance shape of refrigeration machine
Condition.Liquidometer is to use two-way 75mA constant-current source, and pressure controls heater two-way 200mA constant-current source, and output electric current is 10 μ A, electricity
Flowing precision is ± 0.1%, can be provided for diode temperature meter used in superconducting magnet low temperature environment or ruthenium-oxide thermometer sharp
Encourage electric current.Temperature measurement unit completes thermometer voltage measurement, realizes signal condition and AD conversion.Collected voltage signal changes
After being counted as thermometer resister value, according to thermometer resister-temperature table of comparisons liquid crystal screen display corresponding temperature meter temperature value.
Temperature measure setup temperature alarming function passes through alarm module when the temperature value of measurement is more than the alarming value upper limit or lower limit
It alarms.The lower and upper limit of temperature alarming value are configured by keyboard, and the alarming value of each temperature sensor can lead to
It crosses keyboard to be respectively set, device powers down will not lose setting after restarting.Temperature measurement by process control at a time interval from
Dynamic measurement refreshes measurement data within the interval time of setting and records measurement data simultaneously, and data are stored to SD card, and can be into
Row is consulted or is transferred.Triggering temperature measurement manually, measured value real-time display on a display screen can be carried out by keyboard.Monitoring
Device includes 2 road constant-current source output modules, and output electric current is 75mA, provides exciting current for liquidometer.It is collected by liquidometer
Voltage signal be converted into liquidometer resistance value after, liquid is corresponded in liquid crystal screen display according to liquidometer resistance-length table of comparisons
The level value (being shown with percents) of position meter.Liquid level warning function is arranged in level gauging, when the level value of measurement is more than report
When the alert value upper limit or lower limit, alarmed by alarm module.The lower and upper limit of liquid level warning value are set by keyboard
It sets.Level gauging is defaulted as automatic mode measurement, and measurement data is saved to SD card.Level gauging can be passed by two-way liquidometer respectively
Sensor is measured (main and auxiliary), the main liquidometer channel measurement of normal condition, when main channel exception (such as open circuit), monitoring programme
It automatically switches to secondary channels and carries out level gauging.Main and auxiliary channel can be switched by hand by keyboard.Simultaneously can by keyboard into
Row triggering level gauging manually, measured value real-time display on a display screen.Monitor includes that liquid helium vessel pressure controls constant-current source
Output module, output electric current are 200mA, control heater for 2 road helium pressures and provide exciting current.Monitor is passed by pressure
Sensor monitors the helium pressure in liquid helium vessel in real time, to heater electrified regulation liquid helium to control helium pressure in the pressure of setting
Within the scope of force value.Pressure sensor continuously detects pressure value, and pressure threshold can be configured by keyboard.It is set when pressure value is less than
When lower limit value, 200mA operating current is inputted simultaneously to two heaters respectively；When pressure measurement signal is greater than setting upper limit value
When, close heating installation power supply.Pressure measurement is by process control automatic measurement at a time interval, within the interval time of setting
Refresh measurement data and record measurement data simultaneously, data are stored to SD card, and can be consulted or be transferred.Key can be passed through
Disk carries out triggering pressure measurement manually, measured value real-time display on a display screen.It further include promptly quenching device, it is main to complete tightly
The starting and reset suddenly quenched, is saved to SD card the time and number that record event occurs, can be in query by screen.It is super for quenching
Magnetizer is changed into non-superconducting state by superconducting state.The local temperature for making superconducting coil by heater heating is more than stagnation temperature
Degree, this coil sections just has resistance, and then generates Joule heat, and heat can gradually travel to entire coil, realize and quench.Face
Boundary's temperature is the temperature that superconductor is converted into superconducting state by non-superconducting state.Promptly device is quenched to mention by touch-proof locking press button
For outer triggering signal, heats superconducting magnet and quench.In emergency situations, it presses and promptly quenches button, switch motion provides short
Road contact point signal, triggering constant current source module, which is supplied to, quenches heater exciting current, and heating superconducting magnet is until quench.Also wrap
Include: alarm module completes the alarm and reset of the various state of emergency, and alarm module includes LED light, buzzer, buzzer
Switch, short message prompting function etc..The temperature that temperature value, the second temperature meter for the first thermometer acquisition that monitor receives acquire
The level value and pressure that value, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquire
When at least one of the pressure value of sensor acquisition exceeds given threshold, buzzer warning is made a sound, and screen shows corresponding
Fault code.Buzzer can be closed, alarm lamp is still always on, until abnormal releasing by the switch of buzzer.Alarm
Signal by SMS function to mobile phone send alarm message, short message send time be set as alarm when start send prompt it is short
Letter, sends again after five minutes, subsequent to send every 12 hours, until index restores normal.Monitor includes 24V standby lithium
Pool unit, lithium battery on a monitor electricity work when automatic charging.Lithium battery voltage is lower than 23V and continues 24 hours, then alarms
Prompt replacement lithium battery.Monitor, by lithium battery power supply, is pressed in no dispatch from foreign news agency and promptly quenches switch, from lithium battery to adding
Hot device provides electric current and heats to superconducting magnet.Running state monitoring system includes: liquid crystal display, completes main information
Display；Keyboard unit completes the functions such as input and the switching of setting and display；Cooling capacity nargin calculates, and can be controlled according to pressure
Output power calculates superconducting magnet refrigeration work consumption nargin；SD card storage unit completes the record of measurement data and operating process；
RTC real-time clock module guarantees that monitor restarts rear clock numerical value and keeps normal；GSM unit carries out hand when realizing monitoring alarm
Machine short message prompt；NET interface, computer can remotely access the current state that magnet was checked and measured in monitoring by Internet
Information.
In a specific example, as shown in figure 3, liquid crystal display 2 can the letter such as displays temperature, liquid level, pressure, alarm
Breath, while can show setting value.Keyboard unit 7 is used for the defeated of menu operation shown by liquid crystal display 2 and setting value
Enter.LED light 5 includes the police instructions such as operation, status alert, battery, pressure, aobvious in screen when there is alarm signal
Show corresponding alarm code.Promptly quench button 1 using protection shell structure, when meeting emergency opening protective shell press again by
Button, after button is pressed, monitor will enter standby mode, reset until quenching switch.It is lost in monitor in standby lithium pond 11
It goes to provide temporary power needs when power supply power supply for monitor；Locking press button 10 is monitoring appliance mains switch；Socket 9 is monitor
Standard AC220V power supply line input socket.Connectivity port 8 is monitor input/output signal line connectivity port, including is connected to super
The signal cable interface 13 of thermometer, liquid level meter, heater inside magnetizer 12.Communication interface 6 is standard RS-232 communication
Interface, the data for monitor are transmitted.Buzzer 3 carries out audible alarm when monitor detects failure, can pass through reset
The alarm sound of the elimination buzzer 3 of button 4.
In another specific example, as shown in figure 4, passing through 10 μ A to I+, I- for resistor-type thermometer constant-current source
Then electric current measures V+, V- both end voltage, calculates resistance value, then obtained accordingly according to the corresponding relationship of resistance v. temperature
Temperature value.For diode temperature meter, constant-current source, by 10 μ A electric currents, then measures V+, V- both end voltage, passes through to I+, I-
Conducting voltage-vs. temperature obtains corresponding temperature value.As shown in figure 5, constant-current source passes through 10 μ A electric currents to I+, I-, so
V+, V- both end voltage are measured afterwards, are calculated resistance value, are then converted into corresponding liquid level again.As shown in fig. 6, passing through survey
Amount loads the voltage at both ends to be converted into actual pressure.
In another specific example, as shown in fig. 7, starting to be monitored after monitor booting, check that pressure passes
Whether the signal that sensor, liquidometer and thermometer are sent to monitor abnormal, if abnormal alarm, every the set time into
Row pressure measurement is controlled pressure value between the upper and lower thresholds by heater；Level gauging is carried out every the set time, if liquid
Position height is lower than work liquid level, then alarms；Temperature measurement is carried out every the set time, if the measurement temperature is higher than temperature
Threshold value is then alarmed.
The utility model proposes a kind of liquid helium condensing superconducting magnet running state monitoring systems again, can be to superconducting magnet
Operational process in temperature, liquid level, pressure continuously detected and controlled, alarm can be respectively set in each detection physical quantity
Threshold value scene or can be alarmed by network, short message etc., be debugged in time when superconducting magnet, which is run, occurs abnormal,
Guarantee the safe operation of superconducting magnet.Monitor design uses standby lithium pond, can guarantee prison when monitor loses power supply
Control device operates normally and promptly quenches operation, guarantees the operational safety of superconducting magnet and relevant device.
The utility model can also using separate type detection by the way of temperature, liquid level, pressure etc. are monitored respectively and
Control.
The technical solution of the utility model embodiment can be to temperature, liquid level, the pressure etc. in superconducting magnet operational process
It is continued to monitor and there is data storage function；Have the function of that actively inducing superconducting magnet quenches；With a variety of warning functions；
Monitor is equipped with standby lithium pond.The technical solution of the utility model embodiment passes through superconducting magnet, refrigeration machine and monitoring
Device；Wherein, superconducting magnet includes coil, liquid helium vessel, interior cold screen and outer cold screen；Coil is in inside liquid helium vessel, and liquid helium holds
Device is set to inside interior cold screen and outer cold screen；Further include: the first thermometer being set on outer cold screen outer wall is set to interior cold screen
Second temperature meter on inner wall, the third thermometer being set at one level position of refrigeration machine outer surface, is set to refrigeration machine appearance
The 4th thermometer at the secondary location of face；It is set to the intracorporal first liquid level gauge of liquid helium vessel chamber；It is set to liquid helium vessel wall top
The pressure sensor in portion；Monitor and the first thermometer, second temperature meter, third thermometer, the 4th thermometer, first liquid level gauge
It is connected with pressure sensor, monitor has the first input end of the temperature value for obtaining the acquisition of the first thermometer, for obtaining
Second input terminal of the temperature value for taking second temperature meter to acquire, the third input for obtaining the temperature value that third thermometer acquires
End, the 4th input terminal for obtaining the temperature value that the 4th thermometer acquires, the level value for obtaining first liquid level gauge acquisition
The 5th input terminal and the pressure value for obtaining pressure sensor acquisition the 6th input terminal, the first thermometer has for defeated
The output end of the temperature value acquired out, second temperature meter have the output end of the temperature value for exporting acquisition, third thermometer
Output end with the temperature value for exporting acquisition, the 4th thermometer have the output end of the temperature value for exporting acquisition,
First liquid level gauge has the output end of the level value for exporting acquisition, and pressure sensor has the pressure value for exporting acquisition
Output end；The output end of first thermometer is connected with the first input end of monitor, the output end of second temperature meter and monitoring
Second input terminal of device is connected, and the output end of third thermometer is connected with the third input terminal of monitor, the 4th thermometer it is defeated
Outlet is connected with the 4th input terminal of monitor, and the output end of first liquid level gauge is connected with the 5th input terminal of monitor, pressure
The output end of sensor is connected with the 6th input terminal of monitor, to realize the safe and stable operation for guaranteeing superconducting magnet.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of liquid helium condensing superconducting magnet running state monitoring system again characterized by comprising superconducting magnet, refrigeration
Machine and monitor；Wherein, the superconducting magnet includes coil, liquid helium vessel, interior cold screen and outer cold screen；The coil is in described
Inside liquid helium vessel, the liquid helium vessel is set to inside the interior cold screen and outer cold screen；
Further include: the first thermometer being set on the outer cold screen outer wall, the second temperature being set on the interior cold screen inner wall
Degree meter, the third thermometer being set at one level position of refrigeration machine outer surface are set to refrigeration machine outer surface second level
The 4th thermometer at position；It is set to the intracorporal first liquid level gauge of liquid helium vessel chamber；It is set to the liquid helium vessel wall
The pressure sensor at top；
The monitor and first thermometer, second temperature meter, third thermometer, the 4th thermometer, first liquid level gauge and
Pressure sensor is connected, and the monitor has the first input end of the temperature value for obtaining the acquisition of the first thermometer, is used for
The second input terminal, the third for obtaining the temperature value that third thermometer acquires for obtaining the temperature value of second temperature meter acquisition are defeated
Enter end, the 4th input terminal for obtaining the temperature value that the 4th thermometer acquires, the liquid level for obtaining first liquid level gauge acquisition
6th input terminal of the 5th input terminal of value and the pressure value for obtaining pressure sensor acquisition, first thermometer have
For exporting the output end of the temperature value of acquisition, the second temperature meter has the output end of the temperature value for exporting acquisition,
The third thermometer has the output end of the temperature value for exporting acquisition, and the 4th thermometer has for exporting acquisition
Temperature value output end, the first liquid level gauge have for export acquire level value output end, the pressure sensing
Device has the output end of the pressure value for exporting acquisition；The first of the output end of first thermometer and the monitor is defeated
Enter end to be connected, the output end of the second temperature meter is connected with the second input terminal of the monitor, the third thermometer
Output end is connected with the third input terminal of the monitor, and the 4th of the output end of the 4th thermometer and the monitor is defeated
Enter end to be connected, the output end of the first liquid level gauge is connected with the 5th input terminal of the monitor, the pressure sensor
Output end is connected with the 6th input terminal of the monitor.
2. system according to claim 1, which is characterized in that the first liquid level gauge is flexible liquidometer.
3. system according to claim 1, which is characterized in that further include: heater, the heater and the monitor
It is connected with the superconducting magnet, when the pressure value for acquiring in the pressure sensor exceeds safe range, to the superconduction
Magnet is heated, so that the helium pressure force value in the liquid helium vessel is restored to safe range.
4. system according to claim 3, which is characterized in that further include: promptly quench device, wherein the urgent mistake
Overcharge is set to be connected with the heater and the monitor, for being sent out to the heater when receiving outer triggering signal
Heating signal is sent, so that the heater heats the superconducting magnet until the superconducting magnet quenches.
5. system according to claim 1, which is characterized in that first thermometer is set to the outer cold screen outer wall Z
To middle position, wherein X is to being that the outer cold screen is radial with Y-direction.
6. system according to claim 1, which is characterized in that the first liquid level gauge is set along the liquid helium vessel wall
It sets.
7. system according to claim 1, which is characterized in that further include: the 5th thermometer, the 5th thermometer setting
In on the outer cold screen outer wall or the 5th thermometer is set on the interior cold screen inner wall.
8. system according to claim 1, which is characterized in that further include: second liquid level gauge, the second liquid level gauge setting
In in the liquid helium vessel cavity.
9. running state monitoring system according to claim 1, which is characterized in that further include: warning device；
The warning device is connected with the monitor, based on the temperature value, second temperature by acquiring in first thermometer
The liquid that the temperature value of acquisition, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquire
When place value and at least one of the pressure value of pressure sensor acquisition meet alert if, alarm.
10. running state monitoring system according to claim 1, which is characterized in that further include: display screen；
The display screen is connected with the monitor, by showing the temperature value of first thermometer acquisition, based on second temperature
The liquid that the temperature value of acquisition, the temperature value of third thermometer acquisition, the temperature value of the 4th thermometer acquisition, first liquid level gauge acquire
At least one of the pressure value of place value and pressure sensor acquisition.
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| CN201820832311.8U CN208271677U (en) | 2018-05-31 | 2018-05-31 | A kind of liquid helium condensing superconducting magnet running state monitoring system again |
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| CN201820832311.8U CN208271677U (en) | 2018-05-31 | 2018-05-31 | A kind of liquid helium condensing superconducting magnet running state monitoring system again |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455341A (en) * | 2019-08-27 | 2019-11-15 | 中国科学院合肥物质科学研究院 | A kind of superconducting magnet monitor |
| CN113012888A (en) * | 2021-03-18 | 2021-06-22 | 上海辰光医疗科技股份有限公司 | Multifunctional monitoring system for superconducting magnet |
-
2018
- 2018-05-31 CN CN201820832311.8U patent/CN208271677U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455341A (en) * | 2019-08-27 | 2019-11-15 | 中国科学院合肥物质科学研究院 | A kind of superconducting magnet monitor |
| CN113012888A (en) * | 2021-03-18 | 2021-06-22 | 上海辰光医疗科技股份有限公司 | Multifunctional monitoring system for superconducting magnet |
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