CN101881815B - Magnet monitoring unit testing system and magnet simulator - Google Patents
Magnet monitoring unit testing system and magnet simulator Download PDFInfo
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- CN101881815B CN101881815B CN 200910136199 CN200910136199A CN101881815B CN 101881815 B CN101881815 B CN 101881815B CN 200910136199 CN200910136199 CN 200910136199 CN 200910136199 A CN200910136199 A CN 200910136199A CN 101881815 B CN101881815 B CN 101881815B
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Abstract
The invention discloses a magnet monitoring unit testing system, which comprises a magnet monitoring unit to be tested and a magnet simulator, wherein the magnet simulator is used for simulating different operating states of a magnet and provides various conditions needed by the magnet monitoring unit for testing, and the magnet monitoring unit is used for testing various functions according to the conditions provided by the magnet simulator. The invention also discloses the magnet simulator. The system and the device provided by the invention can be applied to safely and conveniently test various functions of the magnet monitoring unit.
Description
Technical field
The present invention relates to mr techniques, particularly a kind of magnet monitoring unit testing system and a kind of magnet emulation simulator.
Background technology
In prior art, magnet monitoring unit (MSUP) is mainly used in monitoring the working condition of magnet, comprise when magnet works, the running parameter of Real Time Monitoring magnet, as the state of temperature, pressure, liquid helium level and each superconducting switch and resistance etc., and be presented in real time on coupled main frame; When magnet breaks down, carry out alarm and/or warning, and eject prompt window on main frame, with any part in prompting tester magnet, fault has appearred, where should correspondingly check so that on-call maintenance etc.Wherein, alarm only refers to eject prompt window on main frame, reports to the police to refer to not only will eject prompt window on main frame, and need to carry out auditory tone cues by the warning box that is connected with MSUP; In addition, occur in the situation of alarm, magnetic resonance system still can carry out sequence scanning; But in case report to the police, magnetic resonance system can not carry out the sequence surface sweeping again.
In order to complete better monitoring, in the development phase, need to test the software and hardware of MSUP and the MSUP software section of main frame.Existing test is carried out test cabinet (bay) is inner usually, namely utilizes actual magnet that the software and hardware of MSUP and the MSUP software section of main frame tested.Above-mentioned test mainly comprises: when magnet worked, whether MSUP can normally monitor the various running parameters of magnet, and correctly be shown to it on main frame; When magnet breaks down, too low such as the liquid helium level, fall that pressure in a quench, magnet is excessive or when too small, whether MSUP can in time carry out alarm and warning; And whether the communication protocol between main frame and MSUP is correct etc., such as, the pressure that MSUP monitors in magnet is out of joint, and main frame points out the liquid helium level out of joint, illustrates that so the communication protocol between main frame and MSUP is incorrect.
But can there be certain problem in above-mentioned method of testing in actual applications, this be because:
in prior art, test MSUP is mainly as follows to the mode of the alarm of various faults in magnet and warning function, illustrate: the liquid helium level in the superconduction liquid helium acquisition sensor Real-Time Monitoring magnet in magnet, and feed back to MSUP, after MSUP receives the liquid helium level (actual is the magnitude of voltage corresponding with the liquid helium level) of superconduction liquid helium acquisition sensor feedback, if can carry out in the liquid helium level correctly alarm and warning during lower than default alarming threshold value and alarm door limit value, illustrate that the function that MSUP carries out alarm and warning to the liquid helium level that exceeds requirement in magnet is normal, for another example, the pressure condition of the pressure transducer Real-Time Monitoring magnet inside in magnet, and feed back to MSUP, after MSUP receives the force value of pressure transducer feedback, if can carry out correctly alarm and warning during below or above default alarming threshold value and alarm door limit value in force value, MSUP is described, and to carry out the function of alarm and warning normal to exceeding required pressure in magnet.But in actual applications, magnet works in normal condition usually, and its liquid helium level and force value are all normal, that is to say, magnet can not provide test required fault condition, so cause test to carry out.
In addition, if careless manipulation in existing test process, the switch such as having touched because of carelessness the control magnet on MSUP and fall a quench so can cause magnet quenching, thereby causes unnecessary liquid helium loss.Have, existing test can only be carried out in test cabinet again, thus the test duration can not get ensureing, very inconvenient concerning the tester.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of magnet monitoring unit testing system, can complete the test to the various functions in the magnet monitoring unit safe ready.
Another object of the present invention is to provide a kind of magnet emulation simulator, use this magnet emulation simulator and can complete test to the various functions in the magnet monitoring unit safe ready.
For achieving the above object, the invention provides a kind of magnet monitoring unit testing system, comprising: a tested magnet monitoring unit and a magnet emulation simulator, wherein:
Described magnet emulation simulator is for the different operating state of simulation magnet, for described magnet monitoring unit provides test required condition;
Described magnet monitoring unit is used for completing according to the condition that described magnet emulation simulator provides the test of function.
Described magnet emulation simulator comprises: the horizontal analogue unit of liquid helium has a coupled liquid helium rotary switch, and comprises a resistance and variable resistor that is connected in series; Described resistance is used for preventing short circuit; Change described variable-resistance resistance by adjusting described liquid helium rotary switch, and then change the magnitude of voltage that is used for simulating the liquid helium level that is input in described magnet monitoring unit.If described magnet monitoring unit can correctly carry out alarm when the magnitude of voltage that receives meets alarm conditions, and described magnet monitoring unit can correctly be reported to the police when the magnitude of voltage that receives meets alert if, and described test macro shows that the function that described magnet monitoring unit carries out alarm and warning to the liquid helium level that exceeds requirement in magnet is normal.
Described magnet emulation simulator comprises: a pressure simulation unit has a coupled pressure rotary switch, and comprises a resistance and variable resistor that is connected in series; Described resistance is used for preventing short circuit; Change described variable-resistance resistance by adjusting described pressure rotary switch, and then change the magnitude of voltage that is used for simulating the magnet internal pressure that is input in described magnet monitoring unit.If described magnet monitoring unit can correctly carry out alarm when the magnitude of voltage that receives meets alarm conditions, and described magnet monitoring unit can correctly be reported to the police when the magnitude of voltage that receives meets alert if, and described test macro shows described magnet monitoring unit to carry out the function of alarm and warning normal to exceeding required pressure in magnet.
Described magnet emulation simulator comprises that is fallen a quench analogue unit; A described quench analogue unit that falls comprises three separate resistance.Described magnet monitoring unit provides respectively a default large electric current for described three resistance, and receives described three magnitudes of voltage that a quench analogue unit returns that fall; If described magnet monitoring unit can correctly be reported to the police after receiving described three magnitudes of voltage, described test macro shows in described magnet monitoring unit and to control magnet to fall the function of a quench normal.
Described magnet emulation simulator comprises an outfield interference shielding device analogue unit; Described outfield interference shielding device analogue unit comprises a resistance and switch that is connected in series.Described magnet monitoring unit is inputted a predetermined current to described outfield interference shielding device analogue unit, and receives the magnitude of voltage of its feedback; If when described switch is set to open mode, described magnet monitoring unit can correctly be reported to the police, and described test macro shows that the function of in described magnet monitoring unit, outfield interference shielding device fault being reported to the police is normal.
Described magnet emulation simulator comprises a pressure heater analogue unit; Described pressure heater analogue unit comprises a resistance and switch that is connected in series.Described magnet monitoring unit is inputted a predetermined current to described pressure heater analogue unit, and receives the magnitude of voltage of its feedback; If when described switch is set to open mode, described magnet monitoring unit can correctly be reported to the police, and described test macro shows that the function of in described magnet monitoring unit, the pressure heater fault being reported to the police is normal.
Described magnet emulation simulator comprises a pressure switch analogue unit, and described pressure switch analogue unit comprises a switch.Described magnet monitoring unit is inputted a prearranged signals to described pressure switch analogue unit, and receives the signal that described pressure switch analogue unit returns; If when described switch is set to open mode, described magnet monitoring unit can correctly be reported to the police, and described test macro shows that the function of in described magnet monitoring unit, the pressure switch fault being reported to the police is normal.
This test macro further comprises a regulated power supply, is used to described magnet monitoring unit that the supply voltage value that is equivalent to backup battery voltage is provided.If described magnet monitoring unit can correctly carry out alarm when the supply voltage value that receives meets alarm conditions, and described magnet monitoring unit can correctly be reported to the police when the supply voltage value that receives meets alert if, and described test macro shows that the function that described magnet monitoring unit carries out alarm and warning to the backup battery voltage that exceeds requirement is normal.
This test macro further comprises a hyper terminal, is used for upgrading described alarm conditions and alert if.
The present invention also provides a kind of magnet emulation simulator, and described magnet emulation simulator comprises with a kind of or combination in any in lower unit:
The horizontal analogue unit of liquid helium has a coupled liquid helium rotary switch, and comprises a resistance and variable resistor that is connected in series; Described resistance is used for preventing short circuit; Change described variable-resistance resistance by adjusting described liquid helium rotary switch, and then change the magnitude of voltage that is used for simulating the liquid helium level;
The pressure simulation unit has a coupled pressure rotary switch, and comprises a resistance and variable resistor that is connected in series; Described resistance is used for preventing short circuit; Change described variable-resistance resistance by adjusting described pressure rotary switch, and then change the magnitude of voltage that is used for simulating the magnet internal pressure;
Fall a quench analogue unit, comprise three separate resistance, be used for receiving a default large electric current, and return to three magnitudes of voltage that increase along with described large electric current;
Outfield interference shielding device analogue unit comprises a resistance and a switch of being connected in series, be used for to receive a predetermined current, and returns to different magnitudes of voltage when closing with open mode when described switch is in;
The pressure heater analogue unit comprises the resistance and the switch that are connected in series, be used for to receive a predetermined current, and is in when closing with open mode when described switch, returns to different magnitudes of voltage;
The pressure switch analogue unit comprises a switch, is used for reception one prearranged signals, and returns to the signal after a processing when described switch is in closed condition, does not return to any signal when described switch is in open mode.
The magnet emulation simulator can also comprise a regulated power supply, is used for the function of the reserve battery of simulation magnet monitoring unit, for described magnet monitoring unit provides the supply voltage value that is equivalent to backup battery voltage.
As seen, adopt technical scheme of the present invention, utilize the magnet emulation simulator to simulate the circuit of magnet inside, namely simulate the state in magnet when normal operation and the various faults that may occur, thereby complete the test to MSUP.Compared with prior art, scheme of the present invention can simulate required various fault conditions as required, thus various functions that can full test MSUP, make MSUP when the actual monitored magnet is worked more accurately and reliably; In addition, after having replaced actual magnet with the magnet emulation simulator in scheme of the present invention, can avoid damage that magnet is caused, improve security; Have again, after adopting scheme of the present invention, will not test being confined in test cabinet, but can be in other any occasion, such as testing, thereby guaranteed the test duration in the laboratory of exploitation MSUP, and be convenient to the problem of finding in test is in time revised.
Description of drawings
The below will make clearer above-mentioned and other feature and advantage of the present invention of those of ordinary skill in the art by describing the preferred embodiments of the present invention in detail with reference to accompanying drawing, in accompanying drawing:
Fig. 1 is the composition structural representation of MSUP test macro embodiment of the present invention;
Fig. 2 is the internal circuit configuration schematic diagram of the horizontal analogue unit 10 of the liquid helium in the embodiment of the present invention;
Fig. 3 is the internal circuit configuration schematic diagram of the pressure simulation unit 20 in the embodiment of the present invention;
Fig. 4 is the internal circuit configuration schematic diagram that falls a quench analogue unit 30 in the embodiment of the present invention;
Fig. 5 is the internal circuit configuration schematic diagram of the outfield interference shielding device analogue unit 40 in the embodiment of the present invention;
Fig. 6 is the internal circuit configuration schematic diagram of the pressure heater analogue unit 50 in the embodiment of the present invention;
Fig. 7 is the internal circuit configuration schematic diagram of the pressure switch analogue unit 60 in the embodiment of the present invention.
Embodiment
For problems of the prior art, the present invention proposes a kind of magnet emulation simulator, simulate the circuit of magnet inside with this magnet emulation simulator, namely simulate the state in magnet when normal operation and the various faults that may occur, thereby complete the test to MSUP.
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the composition structural representation of MSUP test macro embodiment of the present invention.As shown in Figure 1, this system comprises: a magnet emulation simulator 1, a MSUP 2 and a warning box 3.Wherein, magnet emulation simulator 1 is used for the different operating state of simulation magnet, thereby provides test required various conditions for MSUP 2; MSUP 2 is used for carrying out the test of various functions according to the various conditions that magnet emulation simulator 1 provides.
Wherein, magnet emulation simulator 1 can specifically comprise a horizontal analogue unit 10 of liquid helium, and the horizontal analogue unit 10 of this liquid helium has a liquid helium rotary switch 11 that is connected with the horizontal analogue unit 10 of liquid helium.The horizontal analogue unit 10 of liquid helium is used for the liquid helium level (0% to 100%) of simulation magnet inside, namely simulate the function of the superconduction liquid helium acquisition sensor in magnet, formed by a resistance 101 of connecting and a variable resistor 102 etc., as shown in Figure 2, Fig. 2 is the internal circuit configuration schematic diagram of the horizontal analogue unit 10 of liquid helium in the embodiment of the present invention; Wherein resistance 101 mainly plays a protective role, capable of preventing short circuit.
Liquid helium rotary switch 11 is positioned at the surface of magnet emulation simulator 1, its span can from 0% to 100%, the tester can change by rotating this liquid helium rotary switch 11 resistance of the variable resistor 102 in the horizontal analogue unit 10 of liquid helium, and then change is input to the magnitude of voltage in MSUP 2, namely utilize different magnitudes of voltage to simulate different liquid helium levels, 2 couples of MSUP exceed the function that the liquid helium level of requirement is carried out alarm and warning with test.And set in advance in MSUP 2 corresponding to the alarming threshold value of this test and alarm door limit value (such as, the alarming threshold value is 50%, the alarm door limit value is 40%); If so when the magnitude of voltage that receives meets alarm conditions, when namely reaching the alarming threshold value, MSUP 2 can correctly carry out alarm, and when the magnitude of voltage that receives meets alert if, MSUP 2 can correctly report to the police, and illustrates that the liquid helium level that exceeds requirement in 2 pairs of magnets of MSUP is carried out the function of alarm and warning normal.MSUP 2 how to carry out alarm and warning is prior art, repeats no more.
As shown in Figure 1, also can further comprise a pressure simulation unit 20 in magnet emulation simulator 1, this pressure simulation unit 20 has a pressure rotary switch 21 that is connected with pressure simulation unit 20.Pressure simulation unit 20 is used for the function of the pressure transducer of simulation magnet; formed by a resistance 201 that is connected in series mutually and a variable resistor 202 etc.; Fig. 3 is the internal circuit configuration schematic diagram of the pressure simulation unit 20 in the embodiment of the present invention; wherein resistance 201 mainly plays a protective role, capable of preventing short circuit.
In addition, MSUP 2 need to possess the function that a quench falls in the ACTIVE CONTROL magnet, so that at some in emergency circumstances, during such as breaking out of fire, a quench falls in the ACTIVE CONTROL magnet, to reach the purpose of protection magnet.So, as shown in Figure 1, also need further comprise one in magnet emulation simulator 1 and fall a quench analogue unit 30, this falls a quench analogue unit 30 and comprises three separate resistance (high-power resistance) resistance 301, resistance 302 and resistance 303, as shown in Figure 4, Fig. 4 is the internal circuit configuration schematic diagram that falls a quench analogue unit 30 in the embodiment of the present invention.As well known to those skilled in the art, in prior art, if make magnet fall a quench, need so to control simultaneously superconducting switch and two associated coil quench of magnet inside, wherein, what control the superconducting switch quench is the superconducting switch well heater, and what control two coil quench is two coil quench well heaters, and three resistance shown in Figure 4 are respectively used to simulate above-mentioned superconducting switch well heater and two coil quench well heaters.
When needs tests MSUP 2 quench function is fallen and the time, directly press and promptly fall a quench switch on warning box 3, then warning box 3 sends to MSUP 2 and falls a quench control command, subsequently, MSUP2 provides respectively a default large electric current for resistance 301, resistance 302 and resistance 303, afterwards, MSUP 2 receives and falls three magnitudes of voltage that a quench analogue unit 30 returns.Magnet for reality, if fall a quench, the magnitude of voltage of its output will inevitably increase suddenly so, and in the embodiment of the present invention owing to having inputted large electric current, so the magnitude of voltage of output also can increase suddenly, if so MSUP 2 can correctly report to the police after receiving three magnitudes of voltage that return, test macro shows in MSUP2 and to control magnet to fall the function of a quench normal.
Except above-mentioned three kinds of main tests, in the embodiment of the present invention, also need to test the monitoring function of other most common failure in 2 pairs of magnets of MSUP, here other most common failure of mentioning comprises outfield interference shielding device (EIS) fault, pressure heater (pressure heater) fault and pressure switch (pressureswitch) fault etc.So magnet emulation simulator 1 shown in Figure 1 also needs further to comprise one or more in following analogue unit: outfield interference shielding device analogue unit 40, pressure heater analogue unit 50 and pressure switch analogue unit 60.
Outfield interference shielding device analogue unit 40 comprises a resistance 401 and switch 402 that is connected in series mutually, and as shown in Figure 5, Fig. 5 is the internal circuit configuration schematic diagram of the outfield interference shielding device analogue unit 40 in the embodiment of the present invention.Wherein, resistance 401 is used for simulation EIS well heater, and switch 402 is used for the state that cut-offs of simulation EIS well heater.MSUP 2 is to outfield interference shielding device analogue unit 40 input one predetermined current, and receive the magnitude of voltage of its feedback, obviously, when switch 402 is in closed condition, the magnitude of voltage that MSUP 2 receives is one greater than 0 value, but when switch 402 is in open mode, the magnitude of voltage that MSUP 2 receives will be 0.If when switch 402 is set to open mode, MSUP 2 can correctly report to the police, and test macro shows that the function of in MSUP 2, outfield interference shielding device fault being reported to the police is normal.
Pressure heater analogue unit 50 comprises that a resistance 501 and a switch 502 of being connected in series mutually form; As shown in Figure 6, Fig. 6 is the internal circuit configuration schematic diagram of the pressure heater analogue unit 50 in the embodiment of the present invention.Wherein, resistance 501 is used for the simulated pressure well heater, and switch 502 is used for the state that cut-offs of simulated pressure well heater.Same principle, MSUP 2 is to pressure heater analogue unit 50 input one predetermined current, and receive the magnitude of voltage of its feedback, if when switch 502 is set to open mode, MSUP 2 can correctly report to the police, and test macro shows that the function of in MSUP 2, the pressure heater fault being reported to the police is normal.
Pressure switch analogue unit 60 comprises a switch 601, as shown in Figure 7.Fig. 7 is the internal circuit configuration schematic diagram of the pressure switch analogue unit 60 in the embodiment of the present invention.
MSUP 2 inputs prearranged signalss to pressure switch analogue unit 60, and receives the signal that pressure switch analogue unit 60 returns; Obviously, if switch 601 is in closed condition, MSUP 2 must receive a signal that returns so, if but switch 601 is in open mode, MSUP 2 will not receive the signal that returns, so, if when switch 601 is set to open mode, MSUP 2 can correctly report to the police, and test macro shows that the function of in MSUP 2, the pressure switch fault being reported to the police is normal.
Other possible fault will not enumerate.
In addition, in actual applications, when MSUP 2 normal operation, usually be its power supply by its primary power, in case primary power breaks down, enable reserve battery and power, if the brownout of reserve battery, MSUP 2 is with cisco unity malfunction, so MSUP 2 also needs to possess the function of the voltage of reserve battery being carried out alarm and warning, in order in time remind the tester to change or adopt other measure.As shown in Figure 1, can adopt a regulated power supply 4 to simulate reserve battery in the present embodiment, for magnet monitoring unit (2) provides the supply voltage value that is equivalent to backup battery voltage.Change by adjusting regulated power supply 4 magnitude of voltage that is input in MSUP 2, the function of carrying out alarm and warning with the magnitude of voltage that exceeds requirement in 2 pairs of reserve batteries of test MSUP.So, need to set in advance alarming threshold value and alarm door limit value corresponding to this test in MSUP 2, when determining that then supply voltage value in being input to MSUP 2 meets alarm and warning and requires, whether MSUP can correctly carry out alarm and warning, if so, test macro to show in MSUP 2 that the magnitude of voltage that reserve battery is exceeded requirement carries out the function of alarm and warning normal.
In actual applications, can it can be arranged in magnet emulation simulator 1 with regulated power supply 4 as an equipment independently, specific implementation is not limit yet.
Have, also can further comprise a hyper terminal 5 in system shown in Figure 1, alarming threshold value and the alarm door limit value corresponding to each test that are used for MSUP2 is set in advance upgrade.In the present embodiment, each threshold value that sets in advance is stored in the information button (Ibutton) that is arranged in MSUP 2, so, hyper terminal 5 namely is used for each threshold value that is kept at Ibutton is upgraded, so that whether alarm and the function such as warning of test MSUP 2 under different threshold values be still normal.
Need to prove, in actual applications, can further include a main frame (being connected with MSUP 2) and a portable equipment (being connected with magnet emulation simulator 1) etc. in system shown in Figure 1, it is known in this field that its function is, and is not described.In addition, only for the circuit diagram after simplifying, in actual applications, may also need to carry out on this basis a series of distortion or refinement shown in Fig. 2～7, but as long as based on thought of the present invention, all should be within protection scope of the present invention.
In a word, adopt technical scheme of the present invention, utilize the magnet emulation simulator to simulate the circuit of magnet inside, namely simulate the state in magnet when normal operation and the various faults that may occur, thereby complete the test to MSUP.Compared with prior art, scheme of the present invention can simulate required various fault conditions as required, thus various functions that can full test MSUP, make MSUP when the actual monitored magnet is worked more accurately and reliably; In addition, after having replaced actual magnet with the magnet emulation simulator in scheme of the present invention, can avoid damage that magnet is caused, namely improve security; Have again, after adopting scheme of the present invention, will not test being confined in test cabinet, but can be in other any occasion, such as testing, thereby guaranteed the test duration in the laboratory of exploitation MSUP, and be convenient to the problem of finding in test is in time revised.
Need to prove, above-described embodiment only is used for illustrating, and is not limited to technical scheme of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. magnet monitoring unit testing system comprises: tested magnet monitoring unit (2) and a magnet emulation simulator (1), wherein:
Described magnet emulation simulator (1) is for the different operating state of simulation magnet, for described magnet monitoring unit (2) provides test required condition;
Described magnet monitoring unit (2) is used for completing according to the condition that described magnet emulation simulator (1) provides the test of function.
2. test macro according to claim 1, it is characterized in that, described magnet emulation simulator (1) comprising: a horizontal analogue unit of liquid helium (10), have a coupled liquid helium rotary switch (11), and comprise a resistance (101) and a variable resistor (102) that is connected in series; Described resistance (101) is used for preventing short circuit; Change the resistance of described variable resistor (102) by adjusting described liquid helium rotary switch (11), and then change the magnitude of voltage that is used for simulating the liquid helium level that is input in described magnet monitoring unit (2);
If described magnet monitoring unit (2) can correctly carry out alarm when the magnitude of voltage that receives meets alarm conditions, and described magnet monitoring unit (2) can correctly be reported to the police when the magnitude of voltage that receives meets alert if, and described test macro shows that the function that described magnet monitoring unit (2) carries out alarm and warning to the liquid helium level that exceeds requirement in magnet is normal.
3. test macro according to claim 1, it is characterized in that, described magnet emulation simulator (1) comprising: a pressure simulation unit (20), have a coupled pressure rotary switch (21), and comprise a resistance (201) and a variable resistor (202) that is connected in series; Described resistance (201) is used for preventing short circuit; Change the resistance of described variable resistor (202) by adjusting described pressure rotary switch (21), and then change the magnitude of voltage that is used for simulating the magnet internal pressure that is input in described magnet monitoring unit (2);
If described magnet monitoring unit (2) can correctly carry out alarm when the magnitude of voltage that receives meets alarm conditions, and described magnet monitoring unit (2) can correctly be reported to the police when the magnitude of voltage that receives meets alert if, and described test macro shows described magnet monitoring unit (2) to carry out the function of alarm and warning normal to exceeding required pressure in magnet.
4. test macro according to claim 1, is characterized in that, described magnet emulation simulator (1) comprises that is fallen a quench analogue unit (30); A described quench analogue unit (30) that falls comprises three separate resistance (301,302,303);
Described magnet monitoring unit (2) is that described three resistance (301,302,303) provide respectively a default large electric current, and receives described three magnitudes of voltage that a quench analogue unit (30) returns that fall; If described magnet monitoring unit (2) can correctly be reported to the police after receiving described three magnitudes of voltage, described test macro shows and controls magnet in described magnet monitoring unit (2) to fall the function of a quench normal.
5. test macro according to claim 1, is characterized in that, described magnet emulation simulator (1) comprises an outfield interference shielding device analogue unit (40); Described outfield interference shielding device analogue unit (40) comprises a resistance (401) and a switch (402) that is connected in series;
Described magnet monitoring unit (2) is inputted a predetermined current to described outfield interference shielding device analogue unit (40), and receives the magnitude of voltage of its feedback; If when described switch (402) when being set to open mode, described magnet monitoring unit (2) can correctly be reported to the police, and described test macro shows that the function of in described magnet monitoring unit (2), outfield interference shielding device fault being reported to the police is normal.
6. test macro according to claim 1, is characterized in that, described magnet emulation simulator (1) comprises a pressure heater analogue unit (50); Described pressure heater analogue unit (50) comprises a resistance (501) and a switch (502) that is connected in series;
Described magnet monitoring unit (2) is inputted a predetermined current to described pressure heater analogue unit (50), and receives the magnitude of voltage of its feedback; If when described switch (502) when being set to open mode, described magnet monitoring unit (2) can correctly be reported to the police, and described test macro shows that the function of in described magnet monitoring unit (2), the pressure heater fault being reported to the police is normal.
7. test macro according to claim 1, is characterized in that, described magnet emulation simulator (1) comprises a pressure switch analogue unit (60), and described pressure switch analogue unit (60) comprises a switch (601);
Described magnet monitoring unit (2) is inputted a prearranged signals to described pressure switch analogue unit (60), and receives the signal that described pressure switch analogue unit (60) returns; If when described switch (601) when being set to open mode, described magnet monitoring unit (2) can correctly be reported to the police, and described test macro shows that the function of in described magnet monitoring unit (2), the pressure switch fault being reported to the police is normal.
8. test macro according to claim 1, is characterized in that, this test macro further comprises a regulated power supply (4), is used to described magnet monitoring unit (2) that the supply voltage value that is equivalent to backup battery voltage is provided;
If described magnet monitoring unit (2) can correctly carry out alarm when the supply voltage value that receives meets alarm conditions, and described magnet monitoring unit (2) can correctly be reported to the police when the supply voltage value that receives meets alert if, and described test macro shows that the function that described magnet monitoring unit (2) carries out alarm and warning to the backup battery voltage that exceeds requirement is normal.
9. the described test macro of any one according to claim 2～3 and 8, is characterized in that, this test macro further comprises a hyper terminal (5), is used for upgrading described alarm conditions and alert if.
10. a magnet emulation simulator (1), described magnet emulation simulator (1) comprises with a kind of or combination in any in lower unit:
The horizontal analogue unit of liquid helium (10) has a coupled liquid helium rotary switch (11), and comprises a resistance (101) and a variable resistor (102) that is connected in series; Described resistance (101) is used for preventing short circuit; Change the resistance of described variable resistor (102) by adjusting described liquid helium rotary switch (11), and then change the magnitude of voltage that is used for simulating the liquid helium level;
Pressure simulation unit (20) has a coupled pressure rotary switch (21), and comprises a resistance (201) and a variable resistor (202) that is connected in series; Described resistance (201) is used for preventing short circuit; Change the resistance of described variable resistor (202) by adjusting described pressure rotary switch (21), and then change the magnitude of voltage that is used for simulating the magnet internal pressure;
Fall a quench analogue unit (30), comprise three separate resistance (301,302,303), be used for receiving a default large electric current, and return to three magnitudes of voltage that increase along with described large electric current;
Outfield interference shielding device analogue unit (40), comprise the resistance (401) and the switch (402) that are connected in series, be used for to receive a predetermined current, and be in when closing with open mode at described switch (402), return to different magnitudes of voltage;
Pressure heater analogue unit (50), comprise the resistance (501) and the switch (502) that are connected in series, be used for to receive a predetermined current, and be in when closing with open mode at described switch (502), return to different magnitudes of voltage;
Pressure switch analogue unit (60), comprise a switch (601), be used for to receive a prearranged signals, and return to a signal when being in closed condition when described switch (601), when described switch (601) does not return to any signal when being in open mode.
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|---|---|---|---|---|
| CN1430067A (en) * | 2001-10-01 | 2003-07-16 | 西门子公司 | Transmission method of analog magnetic resonance signal and corresponding equipment |
| DE10333796A1 (en) * | 2003-07-24 | 2004-11-04 | Siemens Ag | Shim plate positioning method for magnetic resonance scanner, involves using magnetoresistive magnet simulator at installation site and measuring local magnetic fields to determine the desired shim characteristics and positioning |
| CN101349722A (en) * | 2008-09-01 | 2009-01-21 | 中国舰船研究设计中心 | Electromagnetic environment test method based on simulated data |
-
2009
- 2009-05-06 CN CN 200910136199 patent/CN101881815B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1430067A (en) * | 2001-10-01 | 2003-07-16 | 西门子公司 | Transmission method of analog magnetic resonance signal and corresponding equipment |
| DE10333796A1 (en) * | 2003-07-24 | 2004-11-04 | Siemens Ag | Shim plate positioning method for magnetic resonance scanner, involves using magnetoresistive magnet simulator at installation site and measuring local magnetic fields to determine the desired shim characteristics and positioning |
| CN101349722A (en) * | 2008-09-01 | 2009-01-21 | 中国舰船研究设计中心 | Electromagnetic environment test method based on simulated data |
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| CN101881815A (en) | 2010-11-10 |
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