High-temperature superconducting electric suspension test method and system

Abstract

The invention discloses a high-temperature superconductive electric suspension test method and system, and relates to the technical field of magnetic levitation, the test system builds a high-temperature superconductive electric suspension force-magnetism-electricity simulation system, and a vehicle is statically suspended by applying different currents to a fixedly arranged coil module. According to the invention, the actual operation conditions of the train at different suspension speeds can be simulated, so that the detected system state of the test system under the test condition can reflect the actual system state of the train system under the test condition to a certain extent under the condition that the test parameters correspond to the test parameters, that is, the system state of the train system under the test condition can be simulated. According to the invention, the simulation test task of the actual train system is realized by means of the test system which is greatly different from the actual train system in size. In the test process, the vehicle is kept static in the advancing direction, so that only the vehicle bearing platform and the coil module which are close to the vehicle in size need to be built, a long-size test circuit does not need to be built, the structure is simple, and the implementation cost of the test is reduced.

Description

Technical Field

[0001] The present invention relates to the field of magnetic suspension technology, and more specifically, to a high-temperature superconducting electric suspension test method and system. Background Art

[0002] The high-temperature superconducting electric levitation train is a new type of transportation that uses high-temperature superconducting technology and magnetic levitation technology. This type of train utilizes the zero resistance characteristics of high-temperature superconducting materials and is equipped with an on-board superconducting magnet that can pass large currents to generate a strong magnetic field. Then, through the interaction between the on-board superconducting magnet and the magnetic field of the ground coil, it achieves contactless operation relying on magnetic support, guidance and drive.

[0003] In order to promote the practical application of high-temperature superconducting electric suspension trains and support the advancement of rail transit technology to higher speeds, technical personnel in this field need to conduct in-depth research on the key technologies of high-temperature superconducting electric maglev. Currently, the research on high-temperature superconducting electric suspension technology is mainly carried out by conducting relevant tests on the test line. The test line is often a full-scale test line suitable for physical trains, which takes up a large space and has a high investment.

[0004] Therefore, how to design a high-temperature superconducting electric suspension test plan to reduce the implementation cost has become a technical problem that needs to be solved urgently by technical personnel in this field. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a high temperature superconducting electric suspension test method to study the operating conditions of a high temperature superconducting electric suspension train in a static environment, thereby reducing the implementation cost.

[0006] To achieve the above-mentioned purpose, the first aspect of the present invention provides a high-temperature superconducting electric suspension test method, which is applied to a test system, wherein the test system comprises: a high-temperature superconducting electric suspension vehicle 100, a vehicle carrying platform 200, a driving device 300, a coil module 400 and a control device; wherein the high-temperature superconducting electric suspension vehicle 100 comprises superconducting magnets 110 arranged on both sides of the vehicle body, and the coil modules 400 are arranged on both sides of the vehicle carrying platform 200 and interact with the superconducting magnets 110; the high-temperature superconducting electric suspension vehicle 100 The system formed by the coil module 400 is a scaled test system of an actual train system, and the actual train system includes a high-temperature superconducting electric suspension engineering prototype vehicle and a test line; the vehicle carrying platform 200 is used to carry the high-temperature superconducting electric suspension vehicle 100; the driving device 300 is arranged on the vehicle carrying platform 200 and is transmission-connected to the vehicle carrying platform 200 to drive the high-temperature superconducting electric suspension vehicle 100 to rise and fall; the control device is electrically connected to the coil module 400 and the driving device 300 respectively; the method includes:

[0007] Acquire test parameters from the test requirements for the high-temperature superconducting electric suspension engineering prototype vehicle, wherein the test parameters correspond to the test conditions;

[0008] Determining test parameters corresponding to the test parameters according to a pre-established parameter mapping relationship between the test system and the actual train system;

[0009] Acquiring test state parameters of the high-temperature superconducting electric suspension vehicle 100 under test conditions through the test system; the test conditions correspond to the test parameters;

[0010] Determining a test state parameter corresponding to the test state parameter according to the parameter mapping relationship as a state parameter of the high-temperature superconducting electric suspension engineering prototype vehicle under the test condition;

[0011] Among them, the parameter mapping relationship is established based on a first mapping relationship and a second mapping relationship, the first mapping relationship is a mapping relationship between the test system and an ideal test system, and the second mapping relationship is a mapping relationship between the ideal test system and the actual train system; the ideal test system is constructed from the system parameters of the test system using a dimensionless quantity method, and the shape matching degree of the force field function curve of the ideal test system and the force field function curve of the actual train system exceeds a preset limit.

[0012] A second aspect of the present invention provides a high temperature superconducting electric suspension test system, the test system comprising:

[0013] A high temperature superconducting electric levitation vehicle 100, wherein the high temperature superconducting electric levitation vehicle 100 comprises superconducting magnets 110 disposed on both sides of the vehicle body;

[0014] A vehicle carrying platform 200, wherein the vehicle carrying platform 200 is used to carry the high-temperature superconducting electric suspension vehicle 100;

[0015] A driving device 300, wherein the driving device 300 is disposed on the vehicle carrying platform 200 and is in transmission connection with the vehicle carrying platform 200 to drive the high-temperature superconducting electric suspension vehicle 100 to rise and fall;

[0016] The coil module 400 is disposed on both sides of the vehicle carrying platform 200 and interacts with the superconducting magnet 110. The system composed of the high-temperature superconducting electric suspension vehicle 100 and the coil module 400 is a scaled-down test system of an actual train system, and the actual train system includes a high-temperature superconducting electric suspension engineering prototype vehicle and a test line. The coil module 400 includes a coil mounting seat 410 and a coil unit 420. The coil mounting seat 410 includes a plurality of coils and is respectively disposed on both sides of the vehicle carrying platform 200. The coil unit 420 is disposed on the coil mounting seat 410.

[0017] A control device, the control device is electrically connected to the coil module 400 and the drive device 300 respectively; the control device comprises: at least one processor and a memory connected to the processor, the memory is used to store a computer program; the processor is used to execute the computer program so that the control device can implement the high-temperature superconducting electric suspension test method described in the first aspect.

[0018] The high-temperature superconducting electric suspension test method provided by the present invention is implemented based on the test system. The system builds a high-temperature superconducting electric suspension "force-magnetic-electric" simulation system. By applying different currents to the fixed coil module 400 to make the vehicle suspended statically, the actual operating conditions of the vehicle under different suspension speeds can be simulated. Based on this, when the test parameters correspond to the test parameters, the system state of the test system under the test conditions can reflect the system state of the actual train system under the test conditions to a certain extent, that is, the present application uses a test system with a large size difference from the actual train system to achieve the simulation test task of the actual train system. Since the vehicle remains stationary in the direction of travel during the test, the safety of the test is high, and any speed and electromagnetic force test can be achieved, which can simulate the matching relationship between suspension, guide gap and electromagnetic force under different suspension speeds. In addition, the system only needs to build a vehicle bearing platform 200 and a coil module 400 that are close to the size of the vehicle 100, without the need to build a long-sized test circuit, and the structure is simple, thereby reducing the implementation cost of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a test system disclosed in an embodiment of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the vehicle carrying platform disclosed in the embodiment of the present invention;

[0022] Figure 3 A schematic flow chart of a high-temperature superconducting electric suspension test method disclosed in an embodiment of the present invention;

[0023] Figure 4 The schematic diagram of electromagnetic force characteristic curves of the test system and the actual train system is illustrated;

[0024] Figure 5 The schematic diagram of the original force field function curve of the initial ideal test system and the actual train system is shown;

[0025] Figure 6 A first curve diagram illustrating an ideal test system and an actual train system;

[0026] Figure 7 A second curve diagram illustrating an ideal test system and an actual train system;

[0027] Figure 8 The structural schematic diagram of the coil module is illustrated;

[0028] Fig. 9 The schematic diagram of the static suspension coil, the exciting coil and the superconducting magnet is illustrated;

[0029] Fig.10 The schematic diagram of the structure of the driving device is shown as an example.

[0030] Among them, 100 is a high-temperature superconducting electric suspension vehicle, and 110 is a superconducting magnet;

[0031] 200 is a vehicle bearing platform, 210 is a platform body, and 220 is a bearing area;

[0032] 300 is a driving device;

[0033] 400 is a coil module, 410 is a coil mounting seat, 411 is a coil mounting panel, 412 is a platform connecting portion, 413 is a supporting portion, 420 is a coil unit, 421 is a static suspension coil, and 422 is an exciting coil. DETAILED DESCRIPTION

[0034] The core of the present invention is to disclose a high-temperature superconducting electric suspension test method and system, which can study the operating conditions of a high-temperature superconducting electric suspension train in a static environment, thereby reducing the implementation cost.

[0035] The following is an explanation of the embodiments with reference to the accompanying drawings. In addition, the embodiments shown below do not limit the content of the invention described in the claims. In addition, the entire contents of the construction represented by the following embodiments are not limited to those necessary as solutions to the invention described in the claims. It should be noted that, for ease of description, only the parts related to the invention are shown in the accompanying drawings. The embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0036] like Figure 1 As shown, the embodiment of the present invention discloses a high-temperature superconducting electric suspension vehicle test system, referred to as a test system, which may include: a high-temperature superconducting electric suspension vehicle 100, a vehicle carrying platform 200, a driving device 300, a coil module 400 and a control device.

[0037] The high-temperature superconducting electric levitation vehicle 100 includes superconducting magnets 110 disposed on both sides of the vehicle body. Specifically, the superconducting magnets 110 are fixed to both sides of the levitation frame of the high-temperature superconducting electric levitation vehicle 100 by fasteners.

[0038] The vehicle carrying platform 200 is used to carry the high-temperature superconducting electric suspension vehicle 100. Specifically, the length of the vehicle carrying platform 200 is the length of the high-temperature superconducting electric suspension vehicle 100 plus a first preset amount, which may be 1000 mm. The width of the vehicle carrying platform 200 is the width of the high-temperature superconducting electric suspension vehicle 100 plus a second preset amount, which may be 100 mm.

[0039] The driving device 300 is connected to the vehicle carrying platform 200 in a transmission manner to drive the high-temperature superconducting electric suspension vehicle 100 to rise and fall, so as to adjust the sinking amount of the superconducting magnet 110 and the coil module 400. It should be noted that the sinking amount here refers to the distance between the center line of the superconducting magnet 110 and the center line of the coil module 400, and different suspension speeds correspond to different sinking amounts.

[0040] Optionally, the vehicle bearing platform 200 includes a platform body 210 and a bearing area 220. The bearing area 220 is arranged on the platform body 210, similar to a track, and is arranged on both sides of the platform body 210. The support wheels of the high-temperature superconducting electric suspension vehicle 100 abut against the bearing area 220. Specifically, a wheel stopper is arranged on the bearing area 220 to limit the support wheels of the high-temperature superconducting electric suspension vehicle 100. A hollow area is formed between the bearing area 220 and the platform body 210 on both sides of the platform body 210. The hollow area is arranged to avoid the speed measurement and positioning system. The width of the hollow area is the width of the high-temperature superconducting electric suspension vehicle 100 minus the third preset amount. The third preset amount can be 500 mm, and the initial thickness of the hollow area is 220 mm.

[0041] For example, Figure 2 A schematic diagram of the structure of a vehicle bearing platform is shown. Figure 2 As shown, the driving device 300 is disposed on the platform body 210 and located at the bottom of the bearing area 220 , and is transmission-connected to the bearing area 220 , and drives the bearing area 220 to rise and fall, thereby driving the high-temperature superconducting electric suspension vehicle 100 to rise and fall.

[0042] The coil module 400 is arranged on both sides of the vehicle carrying platform 200 and interacts with the superconducting magnet 110. The strong magnetic field generated by the superconducting magnet 110 is opposite to the magnetic field generated by the coil module 400, and the two magnetic fields generate a repulsive force. When the repulsive force is greater than the weight of the vehicle, the vehicle floats. When the vehicle moves downward, the distance between the superconducting magnet 110 and the coil module 400 decreases, the current increases, the suspension force increases, and the vehicle automatically returns to its original suspension position.

[0043] Optionally, the coil module 400 includes a coil mounting seat 410 and a coil unit 420 , wherein the coil mounting seat 410 is disposed on both sides of the high-temperature superconducting electric levitation vehicle 100 , and the coil unit 420 is disposed on the coil mounting seat 410 .

[0044] It should be noted that the system composed of the high-temperature superconducting electric suspension vehicle 100 and the coil module 400 is a scaled-down test system of the actual train system, and the actual train system includes a high-temperature superconducting electric suspension engineering prototype vehicle and a test line. The high-temperature superconducting electric suspension engineering prototype vehicle is close to the actual manned high-temperature superconducting electric suspension train, that is, the size of the actual train is approximately equal to the size of the engineering prototype vehicle, the size of the engineering prototype vehicle is larger than the size of the vehicle 100, and the size difference between the engineering prototype vehicle and the vehicle 100 is large, that is, the size of the corresponding device of the test system described in this application that matches the vehicle 100 is also much smaller than the size of the test line. This application uses a smaller-sized test system to simulate the operating status of the engineering prototype vehicle, thereby reflecting the operating status of the actual train and reducing the cost of test implementation.

[0045] The control device is electrically connected to the coil module 400 and the drive device 300, respectively. By changing the current amplitude and frequency of the coil module 400, the magnitude of the suspension force of the high-temperature superconducting electric suspension vehicle 100 can be changed, and the suspension speed can be changed. Different suspension speeds correspond to different sinking amounts of the superconducting magnet 110 and the coil module 400. The control device controls the lifting and lowering of the drive device 300 according to the suspension speed of the high-temperature superconducting electric suspension vehicle 100, so that the sinking amount of the superconducting magnet 110 and the coil module 400 matches the suspension speed. By changing the current amplitude and frequency of the coil module 400, and then changing the magnitude of the suspension force, the operating condition of the high-temperature superconducting electric suspension vehicle 100 can be simulated. In the vehicle running direction, the high-temperature superconducting electric suspension vehicle 100 is in a stationary state, and the operating condition of the high-temperature superconducting electric suspension vehicle 100 is simulated by applying a dynamic suspension force.

[0046] On the basis of the above, Figure 3 FIG. 1 is a flow chart of a high-temperature superconducting electric suspension test method according to an embodiment of the present invention. The method can be applied to the above-mentioned test system. Figure 3 As shown, the method may include the following steps:

[0047] Step S101: Acquire test parameters from the test requirements for the high-temperature superconducting electric suspension engineering prototype vehicle.

[0048] Wherein, the test parameters correspond to the test conditions.

[0049] Step S102: Determine test parameters corresponding to the test parameters according to a pre-established parameter mapping relationship between the test system and the actual train system.

[0050] It should be noted that the test parameters are applicable to the actual train system composed of an engineering prototype vehicle and a test line, and are the system input parameters during testing. The test system and the actual train system have a certain mapping relationship, and based on this relationship, the test parameters can be mapped to obtain parameters applicable to the test system, which are called test parameters. As the input parameters of the test system, they provide a basis for determining the operating status of the engineering prototype vehicle under the above-mentioned test conditions.

[0051] Among them, the parameter mapping relationship can be established based on a first mapping relationship and a second mapping relationship, the first mapping relationship is the mapping relationship between the test system and the ideal test system, and the second mapping relationship is the mapping relationship between the ideal test system and the actual train system; the ideal test system is constructed from the system parameters of the test system using a dimensionless quantity method, and the shape matching degree of the force field function curve of the ideal test system and the force field function curve of the actual train system exceeds a preset limit, that is, the ideal test system established based on the test system is a similar system to the actual train system, and the two systems have similar solutions.

[0052] Step S103: Acquire test state parameters of the high-temperature superconducting electric suspension vehicle 100 under test conditions through the test system.

[0053] Wherein, the test conditions correspond to the test parameters.

[0054] Step S104: determining the test state parameters corresponding to the test state parameters according to the parameter mapping relationship as the state parameters of the high-temperature superconducting electric suspension engineering prototype vehicle under the test condition.

[0055] When the test parameters correspond to the test parameters, the system state of the test system under the test conditions can reflect the system state of the actual train system under the test conditions to a certain extent. Based on this, the present application realizes the simulation test task of the actual train system by means of a test system with a large size difference from the actual train system. In addition, the test system provided by the embodiment of the present invention is equipped with a high-temperature superconducting electric suspension "force-magnetic-electric" dynamic simulation system. By applying different currents to the fixed coil module 400 to make the vehicle suspended statically, the actual operating conditions of the vehicle at different suspension speeds can be simulated. Since the vehicle remains stationary in the direction of travel during the test, the safety of the test is relatively high, and arbitrary speed and electromagnetic force tests can be realized, which can simulate the matching relationship between suspension, guide gap and electromagnetic force at different suspension speeds. In addition, the system only needs to build a vehicle bearing platform 200 and a coil module 400 that are close to the size of the vehicle 100, and there is no need to build a long-sized test line. The structure is simple, thereby reducing the implementation cost of the test.

[0056] The applicant of this case has found through research that various high-temperature superconducting electric suspension systems often have consistent dynamic equations, which can be expressed as ; where i is the system identifier, i = 1 or 2; F(R) represents the field function of the electromagnetic force and gravity changing with the spatial position R, R(t) is the solution of the dynamic equation of the function; μ represents the damping constant of the system, and m represents the weight of the vehicle in the system. Based on the above, if there is an approximate solution between the two systems, that is, the solution of system 1 can be obtained after linear transformation of time and space to obtain the solution of system 2, then the operation of one system can be mapped based on the test results of the other system.

[0057] On the basis of the above, assume that R1(t) is the solution of system 1, and the solution kR1(st) obtained after linear transformation of space and time is the solution of system 2, where k is the space reduction parameter and s is the time reduction parameter, and between the two determined systems, k and s are both constants. Substituting the solution R1(t) and the solution kR1(st) into the corresponding dynamic equations, we have: , ; In order for the two equations to hold simultaneously, it is necessary to satisfy: F1(R1) / m1=F2(kR1) / m2, μ1 / m1=μ2×k / (m2×s), s 2 = k. That is to say, the force field function curves of the two systems need to be the same.

[0058] Figure 4 The electromagnetic force characteristic curve diagram of the test system and the actual train system is shown as an example. Figure 4 As shown in the figure, the curves of the high-temperature superconducting electric suspension vehicle and the engineering prototype are similar in form, but the values ​​are very different. In other words, due to the differences in size, weight, and levitation speed of the two vehicles, the suspension force curves of the two systems have different shapes, making it difficult to directly establish a mapping between the two systems.

[0059] To solve the above problem, in one or more embodiments provided in the present application, the process of establishing the parameter mapping relationship between the test system and the actual train system may include the following steps S201-S208:

[0060] Step S201: construct an initial ideal test system based on the system parameters of the test system.

[0061] The vehicle weight, the sinking amount when the maximum suspension force appears, the pole distance and the resonance frequency of the initial ideal test system are consistent with those of the test system, and the suspension force of the initial ideal test system is expressed as the first dimensionless quantity (f r ) multiplied by the initial ideal test system vehicle gravity (mg), i.e., f z =f r × mg, the sinking amount of the initial ideal test system is expressed as the second dimensionless quantity (z r ) and the sinking amount when the maximum suspension force of the initial ideal test system appears (z m), that is, z = z r × m The vehicle speed of the initial ideal test system is expressed as the third dimensionless quantity (v r ) multiplied by the vehicle speed (v0) calculated based on the pole pitch (τ) and the resonant frequency (f0) of the initial ideal test system, that is, v x =v r ×v0, the vehicle speed calculated based on the pole pitch and resonant frequency of the initial ideal test system is equal to one third of the product of the pole pitch of the initial ideal test system and the resonant frequency of the initial ideal test system, that is, v0 = τ × f0 ÷ 3. It should be noted that the force field function can characterize the relationship between the suspension force and the vehicle speed, as well as the relationship between the suspension force and the sinking amount. On this basis, the vehicle forward speed v can be calculated according to the ground coil period. x The AC frequency converted to the magnetic field and electromagnetic force on the superconducting coil can be expressed as f(H Z ) = v x / P, P is the spatial period of the coil, where the spatial period corresponding to the resonant frequency is related to the pole pitch. That is to say, when constructing the initial ideal test system, the vehicle weight m, the position where the maximum suspension force occurs z max , pole pitch τ and resonant frequency f0 are non-adjustable variables, but the magnetomotive force of the permanent magnet and the resistivity of the ground coil can be used as adjustable variables. By adjusting the adjustable variables, the ideal test system configured can have a similar solution to the actual train system.

[0062] Step S202: generating the force field function curve of the initial ideal test system according to the force field function curve of the test system.

[0063] For example, Figure 5 The figure shows the original force field function curves of the initial ideal test system and the actual train system. The curves of the initial ideal test system and the actual train system have different shapes. Figure 4 As shown, first, according to F1(R1) / m1=F2(kR1) / m2, the electromagnetic force (i.e. the suspension force f z ) to reduce the mass, and f z / mg (i.e., the first dimensionless quantity) as the dependent variable; let the sinking amounts z0 and z corresponding to the equilibrium positions of the two systems be m The ratio of z / z m (i.e., the second dimensionless quantity) as the independent variable, the force field function curves of different systems are unified to the same scale. Correspondingly, v x / v0=3v x / (τ×f0) (i.e., the third dimensionless quantity) serves as another independent variable.

[0064] The force field function curve of the initial ideal test system includes: a first curve and a second curve, the independent variable of the first curve is the second dimensionless quantity, the dependent variables of the first curve and the second curve are the first dimensionless quantity, and the independent variable of the second curve is the third dimensionless quantity. In other words, the first curve represents the relationship between the suspension force and the sinking amount, and the second curve represents the relationship between the suspension force and the vehicle speed.

[0065] Step S203: Based on the force field function curves of the initial ideal test system and the actual train system, the magnetomotive force of the superconducting magnet and the resistivity of the ground coil of the initial ideal test system are configured so that the shape matching degree of the force field function curve of the configured ideal test system and the force field function curve of the actual train system exceeds a preset limit.

[0066] For example, Figure 6 The first curve diagram illustrates an ideal test system and an actual train system. Figure 7 The second curve diagram of the ideal test system and the actual train system is shown in Figure 2. Figure 6 and Figure 7 As shown, the shape matching degree of the above two curves exceeds the preset limit, which can indicate that the shapes of the two curves are approximately consistent. In this case, the parameters of one system can be mapped to obtain the parameters of the other system. In a possible implementation, when the magnetomotive force of the permanent magnet of the ideal test system is increased, the ground current can be increased in proportion to compensate for it. In addition, the resistance of the ground coil can be modified to change the ground coil time constant L / R, thereby changing its time variation characteristics, so that the function curve is consistent in the form of a reduced frequency parameter.

[0067] Step S204: Determine the first mapping relationship based on the test system and the ideal test system obtained by configuration.

[0068] Step S205: Determine a reduction factor that enables the ideal test system and the actual train system to meet preset conditions.

[0069] Among them, the preset conditions include: the solution obtained after performing time-space linear transformation on the solution of the dynamic equation of the actual train system is the solution of the dynamic equation of the ideal test system; that is, the actual train system and the ideal test system have similar solutions.

[0070] Step S206: Determine the second mapping relationship based on the determined reduction factor.

[0071] Step S207: establishing the parameter mapping relationship according to the first mapping relationship and the second mapping relationship.

[0072] In one or more embodiments provided in the present application, the coil module 400 includes a coil mounting seat 410 and a coil unit 420 . The coil mounting seat 410 includes multiple coils and is respectively arranged on both sides of the vehicle supporting platform 200 . The coil unit 420 is arranged on the coil mounting seat 410 .

[0073] On the basis of the above, before obtaining the test parameters from the test requirements of the high temperature superconducting electric suspension engineering prototype vehicle, the following steps may also be included:

[0074] Step S301, determine platform test parameters.

[0075] The platform test parameters include the weight of the high-temperature superconducting electric suspension vehicle 100, the electric suspension speed, the static suspension height, the sinking amount of the superconducting magnet 110 and the coil module 400, the mechanical gap, the single suspension time, the maximum suspension force, the maximum guiding force, the maximum traction force, the maximum allowable temperature rise of the static suspension coil, and the maximum preparation time.

[0076] Among them, parameter index 1, the vehicle weight of the high-temperature superconducting electric suspension vehicle to be tested is m; m=5T;

[0077] Parameter index 2. Speed ​​range V of the high-temperature superconducting electric suspension vehicle to be tested min ~V max ; V min =30km / h, V max =660km / h;

[0078] Parameter index 3, static suspension height H max ;H max =300mm;

[0079] Parameter index 4, the maximum sinking amount between the center line of the superconducting coil and the center line of the static suspension excitation coil (the sinking amount refers to the distance between the center line of the superconducting magnet 110 and the center line of the coil unit 420) h max ;h max =100mm;

[0080] Parameter index 5, mechanical gap (gap between the outer surface of the superconducting magnet 110 and the track) △x; △x = 77mm;

[0081] Parameter index 6. Minimum static suspension speed V0 min ; V0 min =30km / h;

[0082] Parameter index 7: Maximum duration of single suspension t max ;t max =3min;

[0083] Parameter index 8, maximum suspension force F1_max , guiding force F2_ max , traction F3_ max ; F1_ max =40000N, F2_ max =13300N、F3_ max =4200N;

[0084] Parameter index 9. Maximum allowable temperature rise △T of static suspension coil max ; △T max =100℃;

[0085] Parameter index 10, maximum preparation time t; t=1h.

[0086] Step S302: Perform superconducting magnet excitation and attenuation rate test.

[0087] Specifically, it may include: injecting current into the magnetic poles of the superconducting magnet 110 to increase the magnetic field strength of the magnet until a target magnetomotive force is reached, and the target magnetomotive force is 700Ka; after the excitation is completed, detecting the magnetic field decay rate of the superconducting magnet 110 to determine whether the magnetic field decay rate is less than a preset decay rate threshold, and if so, executing step 3, otherwise re-exciting the superconducting magnet 110 and retesting the decay rate.

[0088] For example, after the first step of excitation is completed, the data T1 of the superconducting magnet 110 after the magnetic field is stabilized can be measured and recorded; after the magnetic field of the superconducting magnet 110 decays continuously for 2-3 days, several stages are taken to measure and record the current magnetic field data T2, and the daily decay rate T1-T2 / T1 of the current magnetic field is calculated to verify the magnetic field strength capability of the current magnet; if the magnetic field decay rate is less than the decay rate threshold, such as 2%, it can be indicated that the superconducting magnet 110 is in a medium-long working state and meets the magnetic field decay rate requirements, and the next test step can be carried out; if it is not less than the decay rate threshold, it is necessary to re-excite and re-test the decay rate.

[0089] Step S303: determine the lifting height threshold of the vehicle carrying platform.

[0090] The lifting height threshold is determined according to the static suspension height and the sinking amount of the superconducting magnet 110 and the coil module 400. Specifically, the displacement space value N of the vertical degree of freedom of the vehicle carrying platform 200 is solved by the following formula: N=H max +h max =400 mm; then the suspension height threshold of the train high-temperature superconducting electric suspension vehicle 100 is given, and within the maximum displacement space value of the vertical degree of freedom of the vehicle carrying platform 200, the high-temperature superconducting electric suspension vehicle 100 can adjust different suspension heights according to different suspension speeds. According to the speed range V of the high-temperature superconducting electric suspension vehicle 100 to be tested min ~Vmax , the suspension height range can be determined.

[0091] Step S304: Check the vehicle carrying platform.

[0092] Specifically, it may include: determining the load of the vehicle carrying platform 200 according to the weight of the high-temperature superconducting electric levitation vehicle 100 and the peak value of the electromagnetic force of the coil module 400, and checking the pre-configured structure of the vehicle carrying platform 200 according to the load of the vehicle carrying platform 200, and the structure of the vehicle carrying platform 200 is configured according to the load of the vehicle carrying platform 200.

[0093] Specifically, according to the size of the vehicle carrying platform 200 and the size of the hollow area, the boundary conditions are loaded under three working conditions: lifting condition, impact condition and fatigue condition. The minimum flexibility is taken as the optimization goal, and the volume fraction of the vehicle carrying platform 200 is not greater than 30%, the maximum Mises stress is not greater than the yield limit of the material, and the maximum deformation is not greater than 1 mm are taken as constraints. Topological optimization is performed to obtain the structural material distribution form of the vehicle carrying platform 200.

[0094] It should be noted that the lifting condition refers to the load being the weight of the HTS electric levitation vehicle 100 , and the main position to be checked is whether the static strength and stiffness of the contact position between the HTS electric levitation vehicle 100 and the carrying platform 100 meet the requirements.

[0095] The impact condition refers to whether the mechanical strength of the vehicle carrying platform 200 meets the requirements when the high-temperature superconducting train 100 is suspended to a height of 300 mm under the action of electromagnetic force and then the power is cut off and the impact occurs. At this time, the main verification position is the contact position between the high-temperature superconducting train 100 and the vehicle carrying platform 200 to verify whether the static strength and stiffness of the vehicle carrying platform 200 meet the requirements.

[0096] The fatigue condition refers to the case where the coil module 400 is subjected to the peak value of the electromagnetic force. At this time, the electromagnetic force is obtained by loading the current inside the static suspension and exciting coils, and the electromagnetic simulation calculation is performed with the coil of the superconducting magnet 110, and the largest electromagnetic force at different times is taken. At this time, the main verification position is the contact position between the high-temperature superconducting train 100 and the vehicle carrying platform 200, and the fatigue strength of the vehicle carrying platform 20 is verified to meet the requirements, that is, whether the maximum stress amplitude is less than the allowable stress value corresponding to the infinite life of the material.

[0097] Step S305: Check the coil mounting seat.

[0098] The center height of the coil mounting seat 410 is determined according to the mechanical gap, the static suspension height, the sinking amount of the superconducting magnet 110 and the coil module 400, and the center height of the coil mounting seat 410 is determined according to the mechanical gap △x, the static suspension height H, the superconducting magnet 110 and the coil hmax The center height P of the coil mounting seat 410 determined by the sinking amount of the coil module 400 is H max -h max +550=750 mm; and the material distribution of the coil mounting base 410 is determined according to the load of the preset working condition, and the load of the preset working condition includes: the load of different working conditions determined according to the maximum suspension force, the maximum guiding force and the maximum traction force, for example, the maximum suspension force F1_ max , Maximum guiding force F2_ max and maximum traction F3_ max The loads of the three different working conditions determined correspond to the loads at the peak of the suspension force. The static strength and stiffness of the vertical contact position, the lateral contact position and the longitudinal contact position between the coil mounting base 410 and the coil unit 420 are checked to see whether they meet the requirements, that is, whether the maximum Mises stress is less than the yield strength of the material and the deformation is less than 1 mm.

[0099] In one or more embodiments provided in the present application, the above-mentioned step S103, obtaining the test state parameters of the high temperature superconducting electric suspension vehicle 100 under the test condition through the test system, may include:

[0100] Step S401: placing the high-temperature superconducting electric levitation vehicle 100 on the carrying platform 200, and using the driving device 300 to place the high-temperature superconducting electric levitation vehicle 100 at the lifting height threshold.

[0101] The initial guide position is determined based on the placement position of the high-temperature superconducting electric suspension vehicle 100; optionally, when a weight measuring element is provided on the vehicle carrying platform 200, it may also include: using the weight measuring element to measure the weight of the high-temperature superconducting electric suspension vehicle 100 to verify whether it meets the vehicle weight m. Then, the driving device 300 is used to place the high-temperature superconducting electric suspension vehicle 100 at the lifting height threshold, and the placement position of the high-temperature superconducting electric suspension vehicle 100 meets the mechanical gap △x and the static suspension height H setting.

[0102] Step S402: according to the test parameters, a direct current is introduced into the coil module 400 to suspend the high-temperature superconducting electric levitation vehicle 100 at the levitation height threshold, and the driving device 300 is lowered to the initial position, so that the high-temperature superconducting electric levitation vehicle 100 is completely in a levitation state;

[0103] Step S403: When the high-temperature superconducting electric levitation vehicle 100 is in a suspended state, a three-phase alternating current is introduced into the coil module 400 according to the test parameters to simulate the change of the electromagnetic field during the operation of the high-temperature superconducting electric levitation vehicle 100, and the maximum levitation force G, the maximum guiding force H and the maximum traction force I are respectively loaded through the coil module 400. The parameters of the superconducting magnet 110 and the high-temperature superconducting electric levitation vehicle 100 are tested through sensors to determine the operating state of the high-temperature superconducting electric levitation vehicle 100, and the test state parameters of the high-temperature superconducting electric levitation vehicle 100 under the test conditions are obtained.

[0104] In addition, during the test, the temperature rise of the static suspension coil can also be monitored. If it is greater than the maximum allowable temperature rise J of the static suspension coil, the test is stopped based on the emergency stop and buffer device.

[0105] The high-temperature superconducting electric suspension test method provided by the present invention performs equivalent simulation of the dynamic operating conditions of the superconducting magnet when the train is running in a static environment based on the displacement parameterization research of different degrees of freedom. It can study the matching relationship between the suspension, guide gap and electromagnetic force of the high-temperature superconducting electric suspension vehicle at different speed levels, fill the gap in this design field, and lay the foundation for the engineering application of high-temperature superconducting maglev trains.

[0106] Next, the high temperature superconducting electric suspension test system provided by the present invention is described. The test system described below can be referred to in correspondence with the test method described above.

[0107] Combination Figure 1 As shown, the test system provided in the embodiment of the present application may include:

[0108] A high temperature superconducting electric levitation vehicle 100, wherein the high temperature superconducting electric levitation vehicle 100 comprises superconducting magnets 110 disposed on both sides of the vehicle body;

[0109] A vehicle carrying platform 200, wherein the vehicle carrying platform 200 is used to carry the high-temperature superconducting electric suspension vehicle 100;

[0110] A driving device 300, wherein the driving device 300 is disposed on the vehicle carrying platform 200 and is in transmission connection with the vehicle carrying platform 200 to drive the high-temperature superconducting electric suspension vehicle 100 to rise and fall;

[0111] The coil module 400 is disposed on both sides of the vehicle carrying platform 200 and interacts with the superconducting magnet 110. The system composed of the high-temperature superconducting electric suspension vehicle 100 and the coil module 400 is a scaled-down test system of an actual train system, and the actual train system includes a high-temperature superconducting electric suspension engineering prototype vehicle and a test line. The coil module 400 includes a coil mounting seat 410 and a coil unit 420. The coil mounting seat 410 includes a plurality of coils and is respectively disposed on both sides of the vehicle carrying platform 200. The coil unit 420 is disposed on the coil mounting seat 410.

[0112] A control device, the control device is electrically connected to the coil module 400 and the drive device 300 respectively; the control device comprises: at least one processor and a memory connected to the processor, the memory is used to store a computer program; the processor is used to execute the computer program so that the control device can implement the above-mentioned high-temperature superconducting electric suspension test method.

[0113] Figure 8 shows a schematic diagram of the coil module, combined with Figure 8 As shown, in one or more embodiments provided in the present application, the coil mounting seat 410 includes a coil mounting panel 411, a platform connecting portion 412 and a supporting portion 413. The platform connecting portion 412 is used to connect to the vehicle carrying platform 200. The specific connection method is not limited and can be connected by a snap-on method or other methods. The supporting portion 413 is arranged on the outside of the vehicle carrying platform 200 and is connected to the platform connecting portion 412. It includes a supporting cross bar and a supporting diagonal bar. The supporting cross bar and the supporting diagonal bar jointly support the coil mounting panel 411.

[0114] Fig. 9 The schematic diagram of the static suspension coil, the exciting coil and the superconducting magnet is shown. Fig. 9As shown, the coil unit 420 includes a static suspension coil 421 and an exciting coil 422 . Among them, the static suspension coil 421 is arranged on the coil installation panel 411 and corresponds to the position of the superconducting magnet 110. The exciting coil 422 is arranged in parallel with the static suspension coil 421, and the exciting coil 422 is arranged close to the superconducting magnet 110 relative to the static suspension coil 421, that is, from the direction away from the superconducting magnet 110 to the direction close to the superconducting magnet 110, the static suspension coil 421 and the exciting coil 422 are arranged in sequence, and the two interact with the superconducting magnet 110 together. The exciting coil 422 is closer to the superconducting magnet 110 than the static suspension coil 421 because the exciting coil 422 generates an alternating electromagnetic field, and the electromagnetic force generated is not as large as the static suspension coil 421. In order to simulate the electromagnetic force loss, the exciting coil 422 is arranged closer to the superconducting magnet 110 than the static suspension coil 421. This arrangement can make the suspension force of the high-temperature superconducting electric suspension vehicle 100 when suspended closer to the actual working condition.

[0115] In addition, the static suspension coil 421 and the exciting coil 422 are both 8-shaped coils, the center line of the static suspension coil 421 coincides with the center line of the exciting coil 422 , and the size of the static suspension coil 421 is larger than that of the exciting coil 422 .

[0116] In one or more embodiments provided in the present application, the vehicle carrying platform 200 includes a platform body 210 and a carrying area 220. The carrying area 220 is arranged on the platform body 210, similar to a track, and is arranged on both sides of the platform body 210. The support wheels of the high-temperature superconducting electric suspension vehicle 100 abut against the carrying area 220. Specifically, a wheel block is arranged on the carrying area 220 to limit the support wheels of the high-temperature superconducting electric suspension vehicle 100. A hollow area is formed between the carrying area 220 located on both sides of the platform body 210 and the platform body 210. The hollow area is arranged to avoid the speed measurement and positioning system. The width of the hollow area is the width of the high-temperature superconducting electric suspension vehicle 100 minus the third preset amount. The third preset amount can be 500 mm, and the initial thickness of the hollow area is 220 mm. The driving device 300 is arranged on the platform body 210 and is located at the bottom of the carrying area 220. It is connected to the carrying area 220 in transmission. By driving the carrying area 220 to rise and fall, the high-temperature superconducting electric suspension vehicle 100 is driven to rise and fall.

[0117] In order to measure the temperature rise of the static suspension coil 421 , the high-temperature superconducting electric suspension vehicle test system disclosed in the embodiment of the present invention further includes a temperature measuring element arranged on the static suspension coil 421 , and the temperature measuring element can test the thermal characteristics of the static suspension coil 421 .

[0118] In order to ensure that there is no height difference during the lifting process of the load-bearing area 220, and each position rises and falls synchronously, the driving device 300 adopts electric lifting. At the same time, in order to avoid the superconducting magnet 110 and the coil module 400 of the high-temperature superconducting electric suspension vehicle 100, in a specific embodiment of the present invention, the driving device 300 includes a synchronous lifter. For example, Fig.10 The schematic diagram of the drive device is shown in the figure. Fig.10 As shown, the synchronous lifter adopts a 6-axis synchronous electric lifting method, the fixed end of the synchronous lifter is set on the platform body 210, and the output end of the synchronous lifter is connected to the bearing area 220 to control the lifting of the high-temperature superconducting electric suspension vehicle 100. The synchronous lifter has high control accuracy and can ensure the adjustment accuracy of the maximum sinking amount of the coil center line of the superconducting magnet 110 and the center line of the coil module 400.

[0119] In order to achieve buffering and shock absorption effects, a shock absorber is provided on the synchronous lifter of the high-temperature superconducting electric suspension vehicle test system disclosed in the embodiment of the present invention.

[0120] In order to collect the weight information of the high-temperature superconducting electric suspension vehicle 100, a high-temperature superconducting electric suspension vehicle test system disclosed in an embodiment of the present invention is provided with a weight measuring element on the carrying platform 200, and the weight measuring element is arranged at the position where the carrying area 220 contacts the high-temperature superconducting electric suspension vehicle 100, that is, the position where the carrying area 220 contacts the support wheels of the high-temperature superconducting electric suspension vehicle 100. The weight measuring element is used to collect the weight information of the high-temperature superconducting electric suspension vehicle 100, and the weight measuring element is electrically connected to the control device to upload the measured weight information to the control device. Before each test, the weight measuring element weighs the high-temperature superconducting electric suspension vehicle 100 to obtain the vehicle weight of the high-temperature superconducting electric suspension vehicle 100.

[0121] In a specific embodiment of the present invention, an alarm device is also included. The drive device 300 is provided with a displacement measuring element, and the displacement measuring element is used to monitor the suspension height of the high-temperature superconducting electric suspension vehicle 100 after static suspension. The displacement measuring element is electrically connected to the alarm device and the control device, and transmits the collected displacement information of the high-temperature superconducting electric suspension vehicle 100 to the host computer for display. When the displacement measuring element measures that the change value of the suspension height of the high-temperature superconducting electric suspension vehicle 100 within a preset time is outside the threshold, the alarm device sends an alarm signal, and the control device controls the vehicle carrying platform 200 to stop working. For example, within a short time (0.1s), the suspension height change amplitude of the high-temperature superconducting electric suspension vehicle 100 is greater than 20mm. At this time, the alarm device sends an alarm signal and alarms that the high-temperature superconducting electric suspension vehicle 100 may have static suspension failure. When an unexpected situation occurs during operation, the control system needs to provide an emergency stop signal, and the vehicle carrying platform 200 stops working.

[0122] The above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present invention. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. The specific technical means in some embodiments can be combined in part or in whole into another embodiment without being explicitly excluded by another embodiment. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A high temperature superconducting electric suspension test method, characterized in that: Applicable to a test system, the test system comprising: a high-temperature superconducting electric suspension vehicle (100), a vehicle carrying platform (200), a driving device (300), a coil module (400) and a control device; wherein the high-temperature superconducting electric suspension vehicle (100) comprises superconducting magnets (110) arranged on both sides of a vehicle body, the coil modules (400) are arranged on both sides of the vehicle carrying platform (200) and interact with the superconducting magnets (110); the high-temperature superconducting electric suspension vehicle (100) and the coil modules (400) constitute The system is a scaled-down test system of an actual train system, the actual train system comprising a high-temperature superconducting electric suspension engineering prototype vehicle and a test line; the vehicle carrying platform (200) is used to carry the high-temperature superconducting electric suspension vehicle (100); the driving device (300) is arranged on the vehicle carrying platform (200) and is transmission-connected to the vehicle carrying platform (200) to drive the high-temperature superconducting electric suspension vehicle (100) to rise and fall; the control device is electrically connected to the coil module (400) and the driving device (300) respectively; the method comprises: Acquire test parameters from the test requirements for the high-temperature superconducting electric suspension engineering prototype vehicle, wherein the test parameters correspond to the test conditions; Determining test parameters corresponding to the test parameters according to a pre-established parameter mapping relationship between the test system and the actual train system; Acquiring test state parameters of the high-temperature superconducting electric suspension vehicle (100) under test conditions through the test system; the test conditions correspond to the test parameters; Determining a test state parameter corresponding to the test state parameter according to the parameter mapping relationship as a state parameter of the high-temperature superconducting electric suspension engineering prototype vehicle under the test condition; Among them, the parameter mapping relationship is established based on a first mapping relationship and a second mapping relationship, the first mapping relationship is a mapping relationship between the test system and an ideal test system, and the second mapping relationship is a mapping relationship between the ideal test system and the actual train system; the ideal test system is constructed from the system parameters of the test system using a dimensionless quantity method, and the shape matching degree of the force field function curve of the ideal test system and the force field function curve of the actual train system exceeds a preset limit.

2. The high temperature superconducting electric suspension test method according to claim 1, characterized in that: The process of establishing the parameter mapping relationship between the test system and the actual train system includes: An initial ideal test system is constructed based on the system parameters of the test system, wherein the vehicle weight, the amount of sinking when the maximum suspension force occurs, the pole pitch and the resonance frequency of the initial ideal test system are all consistent with those of the test system, and the suspension force of the initial ideal test system is expressed as the product of a first dimensionless quantity and the vehicle weight of the initial ideal test system, the sinking of the initial ideal test system is expressed as the product of a second dimensionless quantity and the amount of sinking when the maximum suspension force occurs of the initial ideal test system, the vehicle speed of the initial ideal test system is expressed as the product of a third dimensionless quantity and the vehicle speed calculated based on the pole pitch and the resonance frequency of the initial ideal test system, and the vehicle speed calculated based on the resonance frequency of the initial ideal test system is equal to one third of the product of the pole pitch of the initial ideal test system and the resonance frequency of the initial ideal test system; According to the force field function curve of the test system, the force field function curve of the initial ideal test system is generated; the force field function curve of the initial ideal test system includes: a first curve and a second curve, the independent variable of the first curve is the second dimensionless quantity, the dependent variables of the first curve and the second curve are the first dimensionless quantity, and the independent variable of the second curve is the third dimensionless quantity; According to the force field function curves of the initial ideal test system and the actual train system, the magnetomotive force of the superconducting magnet and the resistivity of the ground coil of the initial ideal test system are configured so that the shape matching degree of the configured force field function curve of the ideal test system and the force field function curve of the actual train system exceeds a preset limit; Determining the first mapping relationship based on the test system and the ideal test system obtained by configuration; Determining a reduction factor that enables the ideal test system and the actual train system to satisfy a preset condition, wherein the preset condition includes: a solution obtained by performing a time-space linear transformation on a solution of a dynamics equation of the actual train system is a solution of the dynamics equation of the ideal test system; Determining the second mapping relationship based on the determined reduction factor; The parameter mapping relationship is established according to the first mapping relationship and the second mapping relationship.

3. The high temperature superconducting electric suspension test method according to claim 1 or 2, characterized in that: The coil module (400) comprises a coil mounting seat (410) and a coil unit (420); the coil mounting seat (410) comprises a plurality of coils and is respectively arranged on both sides of the vehicle bearing platform (200); and the coil unit (420) is arranged on the coil mounting seat (410); Before obtaining the test parameters from the test requirements for the high temperature superconducting electric suspension engineering prototype vehicle, the method also includes: Determining platform test parameters, the platform test parameters including the vehicle weight of the high-temperature superconducting electric suspension vehicle (100), electric suspension speed, static suspension height, the amount of sinking of the superconducting magnet (110) and the coil module (400), mechanical clearance, single suspension time, maximum suspension force, maximum guiding force, maximum traction force, maximum allowable static suspension coil temperature rise, and maximum preparation time; Performing a superconducting magnet excitation and attenuation rate test, comprising: injecting current into the magnetic poles of the superconducting magnet (110) to increase the magnetic field strength of the magnet until a target magnetomotive force is reached; after the excitation is completed, detecting the magnetic field attenuation rate of the superconducting magnet (110), determining whether the magnetic field attenuation rate is less than a preset attenuation rate threshold, and if so, executing subsequent steps; otherwise, re-performing the superconducting magnet excitation and attenuation rate test; Determining a lifting height threshold of the vehicle bearing platform, wherein the lifting height threshold is determined according to the static suspension height and the amount of sinking of the superconducting magnet (110) and the coil module (400); Verifying the vehicle bearing platform, comprising: determining the load of the vehicle bearing platform (200) according to the weight of the high-temperature superconducting electric suspension vehicle (100) and the peak value of the electromagnetic force of the coil module (400), and verifying the structure of the pre-configured vehicle bearing platform (200) according to the load of the vehicle bearing platform (200), wherein the structure of the vehicle bearing platform (200) is configured according to the load of the vehicle bearing platform (200); The coil mounting seat is checked, wherein the center height of the coil mounting seat (410) is determined according to the mechanical gap, the static suspension height, and the amount of sinking of the superconducting magnet (110) and the coil module (400), and the material distribution of the coil mounting seat (410) is determined according to the load of a preset working condition, wherein the load of the preset working condition includes: loads of different working conditions determined according to the maximum suspension force, the maximum guiding force, and the maximum traction force.

4. The high temperature superconducting electric suspension test method according to claim 3, characterized in that: Acquiring test state parameters of the high-temperature superconducting electric suspension vehicle (100) under test conditions through the test system includes: Placing the high-temperature superconducting electric suspension vehicle (100) on the carrying platform (200), wherein the initial guide position is determined based on the placement position of the high-temperature superconducting electric suspension vehicle (100); using the driving device (300) to place the high-temperature superconducting electric suspension vehicle (100) at the lifting height threshold, wherein the placement position of the high-temperature superconducting electric suspension vehicle (100) satisfies the mechanical gap and the static suspension height setting; Passing a direct current suspension current into the coil module (400) according to the test parameters, so that the high-temperature superconducting electric suspension vehicle (100) is suspended at the suspension height threshold, and lowering the driving device (300) to an initial position, so that the high-temperature superconducting electric suspension vehicle (100) is completely in a suspended state; When the high-temperature superconducting electric suspension vehicle (100) is in a suspended state, a three-phase alternating current is introduced into the coil module (400) according to the test parameters to simulate the change of the electromagnetic field during the operation of the high-temperature superconducting electric suspension vehicle (100), and the maximum suspension force, the maximum guiding force and the maximum traction force are respectively loaded through the coil module (400). The parameters of the superconducting magnet (110) and the high-temperature superconducting electric suspension vehicle (100) are tested through sensors to determine the operating state of the high-temperature superconducting electric suspension vehicle (100), and the test state parameters of the high-temperature superconducting electric suspension vehicle (100) under the test conditions are obtained.

5. A high temperature superconducting electric suspension test system, characterized in that: The test system comprises: A high-temperature superconducting electric suspension vehicle (100), the high-temperature superconducting electric suspension vehicle (100) comprising superconducting magnets (110) arranged on both sides of a vehicle body; A vehicle carrying platform (200), the vehicle carrying platform (200) being used to carry the high-temperature superconducting electric suspension vehicle (100); A driving device (300), the driving device (300) being arranged on the vehicle carrying platform (200) and being transmission-connected to the vehicle carrying platform (200) so as to drive the high-temperature superconducting electric suspension vehicle (100) to move up and down; A coil module (400), the coil module (400) being arranged on both sides of the vehicle bearing platform (200) and interacting with the superconducting magnet (110); a system formed by the high-temperature superconducting electric suspension vehicle (100) and the coil module (400) is a scaled-down test system of an actual train system, the actual train system comprising a high-temperature superconducting electric suspension engineering prototype vehicle and a test line; the coil module (400) comprising a coil mounting seat (410) and a coil unit (420), the coil mounting seat (410) comprising a plurality of coils and being arranged respectively on both sides of the vehicle bearing platform (200), the coil unit (420) being arranged on the coil mounting seat (410); A control device, the control device being electrically connected to the coil module (400) and the drive device (300) respectively; the control device comprising: at least one processor and a memory connected to the processor, the memory being used to store a computer program; the processor being used to execute the computer program, so that the control device can implement the high-temperature superconducting electric suspension test method according to any one of claims 1 to 4.

6. The high temperature superconducting electric suspension test system according to claim 5, characterized in that: The coil mounting seat (410) comprises a coil mounting panel (411), a platform connecting portion (412) and a supporting portion (413); the platform connecting portion (412) is used to connect to the vehicle carrying platform (200); the supporting portion (413) is arranged on the outside of the vehicle carrying platform (200) and is connected to the platform connecting portion (412); The coil unit (420) comprises: a static suspension coil (421) and an exciting coil (422); the static suspension coil (421) is arranged on the coil installation panel (411) and corresponds to the position of the superconducting magnet (110); the exciting coil (422) is arranged on the coil installation panel (411) and is arranged in parallel with the static suspension coil (421), and the exciting coil (422) is arranged close to the superconducting magnet (110) relative to the static suspension coil (421); the center line of the static suspension coil (421) coincides with the center line of the exciting coil (422), and the size of the static suspension coil (421) is larger than the size of the exciting coil (422).

7. The high temperature superconducting electric suspension test system according to claim 5 or 6, characterized in that: The vehicle carrying platform (200) comprises: Platform body (210); The bearing area (220) is arranged on the platform body (210), a hollow area is formed between the bearing area (220) and the platform body (210), the high temperature superconducting electric suspension vehicle (100) is arranged on the bearing area (220), and the driving device (300) is arranged on the platform body (210) and is drivingly connected to the bearing area (220).

8. The high temperature superconducting electric suspension test system according to claim 7, characterized in that: The driving device (300) comprises a synchronous lifter, the fixed end of the synchronous lifter is arranged on the platform body (210), the output end of the synchronous lifter is drivingly connected to the bearing area (220), and the synchronous lifter is electrically connected to the control device; The synchronous lifter is provided with a shock absorber.

9. The high temperature superconducting electric suspension test system according to claim 7, characterized in that: A weight measuring element is provided on the vehicle bearing platform (200), the weight measuring element being arranged at a position where the bearing area (220) contacts the high-temperature superconducting electric suspension vehicle (100) and used for collecting weight information of the high-temperature superconducting electric suspension vehicle (100), and the weight measuring element being electrically connected to the control device.

10. The high temperature superconducting electric suspension test system according to claim 5 or 6, characterized in that: It also comprises an alarm device, the driving device (300) is provided with a displacement measuring element, the displacement measuring element is electrically connected to the alarm device and the control device, and when the displacement measuring element measures that the change value of the suspension height of the high-temperature superconducting electric suspension vehicle (100) within a preset time is outside a threshold value, the alarm device sends an alarm signal, and the control device controls the vehicle carrying platform (200) to stop working.

Images