WO2021190118A1 - 一种集成电磁铁及一种磁浮列车 - Google Patents
一种集成电磁铁及一种磁浮列车 Download PDFInfo
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- WO2021190118A1 WO2021190118A1 PCT/CN2021/073747 CN2021073747W WO2021190118A1 WO 2021190118 A1 WO2021190118 A1 WO 2021190118A1 CN 2021073747 W CN2021073747 W CN 2021073747W WO 2021190118 A1 WO2021190118 A1 WO 2021190118A1
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- magnetic
- magnetic poles
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- poles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/04—Magnetic suspension or levitation for vehicles
- B60L13/06—Means to sense or control vehicle position or attitude with respect to railway
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/748—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on electro-magnetic brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch-blocks, skids, or like track-engaging shoes
- B61H7/04—Scotch-blocks, skids, or like track-engaging shoes attached to railway vehicles
- B61H7/06—Skids
- B61H7/08—Skids electromagnetically operated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/30—Railway vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
Definitions
- the invention relates to the technical field of maglev trains, in particular to an integrated electromagnet and a maglev train.
- each car is usually equipped with two brake electromagnets and 8 brake controllers, but the probability of use of the brake system is extremely low, and it will only be activated when the train has a serious failure.
- the brake system is not activated in the normal operation of the vehicle, it must be equipped with a complete power supply system, controller and brake electromagnet, which will lead to a serious waste of resources, including occupying a large amount of mechanical space and increasing the entire vehicle.
- the weight increases the capacity of the required power supply system. Therefore, how to provide an integrated new electromagnet to solve the waste of brake electromagnet resources is an urgent problem for those skilled in the art to solve.
- the purpose of the present invention is to provide an integrated electromagnet, which can reduce the waste of braking electromagnet resources by integrating the guiding function and the braking function;
- the integration of dynamic functions can reduce the waste of brake electromagnet resources.
- the present invention provides an integrated electromagnet, which includes a yoke, two rows of magnetic poles located on the side surface of the yoke facing the guide plate, the two rows of the magnetic poles correspond to each other, and the magnetic cores in the magnetic poles
- the axis is perpendicular to the side surface of the yoke facing the guide plate;
- the magnetic pole includes a first magnetic pole and a second magnetic pole, and the first magnetic pole and the second magnetic pole are alternately arranged in the same row of the magnetic pole;
- the second magnetic poles are adjacent; the first magnetic poles in any row are connected in series with each other and connected to a unidirectional output controller, and the second magnetic poles in any row are connected in series with each other and connected to a bidirectional output controller;
- the polarity of the magnetic poles in the same row is the same, and the polarity of the magnetic poles in one row is opposite to the polarity of the magnetic poles in the other row; the direction of the current output by the bidirectional output controller in the braking state It is opposite to the direction of the current output in the guided state.
- the first magnetic poles and the second magnetic poles are alternately arranged one by one.
- the number of the magnetic poles in the same row is an even number.
- a wear plate is provided on a side surface of the magnetic pole facing the guide plate.
- the magnetic yoke is fixedly connected with three load-bearing slats, the three load-bearing slats are parallel to each other, and the axis of the load-bearing slats is parallel to the arrangement direction of the magnetic poles in the same row.
- a back box is provided on the side of the magnetic yoke facing away from the guide plate, and the back box is fixedly connected to the carrying slats.
- it further includes a Y-direction connection component, and any one of the Y-direction connection components is simultaneously fixedly connected to the surface of the three load-bearing slats on the side facing away from the guide plate.
- the magnetic pole has a rounded square shape along a cross section perpendicular to the axis of the magnetic core, and the magnetic pole includes the magnetic core, a winding, an insulating layer, a short interface, and a long interface;
- the insulating layer covers the side wall of the insulating layer, and the winding is wound around the magnetic core along a surface of the insulating layer facing away from the magnetic core; the short interface is electrically connected to one port of the winding, and The long interface is electrically connected to the other port of the winding, and both the short interface and the long interface extend along the axis of the magnetic core to one end surface of the magnetic pole.
- the magnetic core has a chamfered square shape along a cross section perpendicular to the axis of the magnetic core, and the magnetic pole further includes insulating support blocks; the insulating support blocks are located at four corners of the magnetic core, and the insulating layer covers Covering the magnetic core and the insulating support block.
- the present invention also provides a maglev train, including the integrated electromagnet as described in any one of the above.
- the integrated electromagnet provided by the present invention includes a magnetic yoke and two rows of magnetic poles on the side surface of the magnetic yoke facing the guide plate.
- the two rows of magnetic poles correspond to each other one by one.
- Side surface; magnetic poles include first magnetic poles and second magnetic poles, the first magnetic poles and second magnetic poles are alternately arranged in the same row of magnetic poles; the first magnetic pole in any row of magnetic poles is adjacent to the second magnetic pole in the other row; any row
- the first magnetic poles are connected in series and connected to a unidirectional output controller, and the second magnetic poles of any row are connected in series and connected to a bidirectional output controller; in the oriented state, the polarity of the same row of magnetic poles is the same, and the polarity of a row of magnetic poles is the same as The polarity of the other row of magnetic poles is opposite; the direction of the current output by the bidirectional output controller in the braking state is opposite to the direction of the current output in the steering
- the adjacent magnetic poles of different rows can generate magnetic fields due to the difference in polarity, which generates a guiding force perpendicular to the train's forward direction between the guide plate and the guide plate for guiding; when braking is required, The bidirectional output controller will output a reverse current, and the polarity of the second magnetic pole will be reversed at this time. Since the first magnetic pole in any row is adjacent to the second magnetic pole in the other row, and the first magnetic pole and the second magnetic pole in the same row are alternately arranged, at this time, the N/S alternately arranged magnetic poles will be formed along the train's forward direction.
- a magnetic field is generated to form a braking force for braking; and during braking, the polarities of adjacent magnetic poles between different rows will become the same so that no interference will occur. Integrating the braking function and the guiding function into the same integrated electromagnet can greatly reduce the waste of braking electromagnet resources.
- the present invention also provides a maglev train, which also has the above-mentioned beneficial effects, which will not be repeated here.
- FIG. 1 is a schematic structural diagram of an integrated electromagnet provided by an embodiment of the present invention
- Figure 2 is a cross-sectional view of Figure 1;
- Figure 3 is a diagram of the power supply circuit in the guided state
- Figure 4 is a diagram of the power supply circuit in the braking state
- Figure 5 is a diagram of the magnetic circuit path in the guided state
- Figure 6 is a magnetic circuit path diagram in the braking state
- Figure 7 is a schematic diagram of the power supply of the unidirectional output controller
- Figure 8 is a schematic diagram of the power supply of the bidirectional output controller
- FIG. 9 is a schematic structural diagram of a specific integrated electromagnet provided by an embodiment of the present invention.
- FIG. 10 is a schematic diagram of a specific magnetic pole structure provided by an embodiment of the invention.
- Magnetic yoke 2. The first magnetic pole, 3. The second magnetic pole, 4. One-way output controller, 5. Two-way output controller, 6. Wear plate, 7. Carrying slat, 8. Back box , 9. Y-direction connection assembly, 10. Gap sensor, 11. Guide plate, 21. Magnetic core, 22. Insulation layer, 23. Winding, 24. Short interface, 25. Long interface, 26. Insulation support block.
- the core of the present invention is to provide an integrated electromagnet.
- each car is usually equipped with two brake electromagnets and 8 brake controllers, but the probability of use of the brake system is extremely low, and it will only be activated when the train has a serious failure.
- the brake system is not activated in the normal operation of the vehicle, it must be equipped with a complete power supply system, controller and brake electromagnet, which will lead to a serious waste of resources, including occupying a large amount of mechanical space and increasing the entire vehicle.
- the weight increases the capacity of the required power supply system.
- the integrated electromagnet provided by the present invention includes a magnetic yoke and two rows of magnetic poles on the side surface of the magnetic yoke facing the guide plate.
- the two rows of magnetic poles correspond to each other.
- One side surface; the magnetic pole includes a first magnetic pole and a second magnetic pole, the first magnetic pole and the second magnetic pole are alternately arranged in the same row of magnetic poles; the first magnetic pole in any row of magnetic poles is adjacent to the second magnetic pole in the other row; either
- the first magnetic poles of a row are connected in series with a unidirectional output controller, and the second magnetic poles of any row are connected in series with a bidirectional output controller; in the oriented state, the polarity of the same row of magnetic poles is the same, and the polarity of a row of magnetic poles is the same
- the polarity of the other row of magnetic poles is opposite; the direction of the current output by the bidirectional output controller in the braking state is opposite to the direction of the current output in the steering state
- the adjacent magnetic poles of different rows can generate magnetic fields due to the difference in polarity, which generates a guiding force perpendicular to the train's forward direction between the guide plate and the guide plate for guiding; when braking is required, The bidirectional output controller will output a reverse current, and the polarity of the second magnetic pole will be reversed at this time. Since the first magnetic pole in any row is adjacent to the second magnetic pole in the other row, and the first magnetic pole and the second magnetic pole in the same row are alternately arranged, at this time, the N/S alternately arranged magnetic poles will be formed along the train's forward direction.
- a magnetic field is generated to form a braking force for braking; and during braking, the polarities of adjacent magnetic poles between different rows will become the same so that no interference will occur. Integrating the braking function and the guiding function into the same integrated electromagnet can greatly reduce the waste of braking electromagnet resources.
- Figure 1 is a schematic structural diagram of an integrated electromagnet provided by an embodiment of the present invention
- Figure 2 is a cross-sectional view of Figure 1
- Figure 3 is a power supply circuit diagram in a guided state
- Fig. 5 is the magnetic circuit path diagram in the oriented state
- Fig. 6 is the magnetic circuit path diagram in the braking state
- Fig. 7 is the power supply schematic diagram of the unidirectional output controller
- Fig. 8 is the bidirectional output control The schematic diagram of the power supply of the device.
- the integrated electromagnet includes a magnetic yoke 1, two rows of magnetic poles located on the side surface of the magnetic yoke 1 facing the guide plate 11, and the two rows of magnetic poles correspond one to one, so
- the axis of the magnetic core 21 in the magnetic poles is perpendicular to the surface of the yoke 1 facing the guide plate 11;
- the magnetic poles include a first magnetic pole 2 and a second magnetic pole 3, and the first magnetic poles in the same row
- the magnetic poles 2 and the second magnetic poles 3 are alternately arranged; the first magnetic pole 2 in any row of the magnetic poles is adjacent to the second magnetic pole 3 in the other row; the first magnetic poles 2 in any row are connected in series with each other And connected to a unidirectional output controller 4, any row of the second magnetic poles 3 are connected in series with each other and connected to a bidirectional output controller 5; in the oriented state, the polarity of the same row of the magnetic poles is the same, and one row of the magnetic poles
- the above-mentioned yoke 1 specifically needs to be made of a magnetically permeable material, so that the yoke 1 can be magnetically permeable to form a magnetic circuit.
- the yoke 1 is usually made of magnetically conductive structural steel.
- the specific material of the yoke 1 is not specifically limited, as long as it has good magnetic permeability and its mechanical strength can meet the requirements, depending on the specific situation.
- the above-mentioned magnetic pole is located on the surface of the yoke 1 facing the guide plate 11, and the magnetic attraction force generated between the above-mentioned magnetic pole and the guide plate 11 is specifically transmitted to the yoke 1 first, and then to other components through the yoke 1.
- the yoke 1 is usually required to have a certain structural strength.
- the specific structure of the magnetic pole will be described in detail in the following embodiments of the invention, and will not be repeated here.
- the magnetic poles are specifically distributed in two rows, and the two rows of magnetic poles are in one-to-one correspondence.
- the number of magnetic poles in the two rows is equal, and any magnetic pole in one row will be adjacent to a magnetic pole in the other row.
- the axis of the magnetic core 21 in the magnetic pole is perpendicular to the side surface of the yoke 1 facing the guide plate 11, which makes the magnetic pole generate a magnetic field directed from the yoke 1 to the guide plate 11 during operation.
- the above-mentioned magnetic field includes a first magnetic pole 2 and a second magnetic pole 3.
- the structure of the first magnetic pole 2 and the second magnetic pole 3 is generally the same, and the difference is mainly The reason is that the controllers connected to the first magnetic pole 2 and the second magnetic pole 3 are of different types.
- the first magnetic pole 2 and the second magnetic pole 3 are alternately arranged in the same row of magnetic poles, and the first magnetic pole 2 in any row of magnetic poles between different rows of magnetic poles is adjacent to the second magnetic pole 3 of the other row of magnetic poles.
- the first magnetic pole 2 will be connected in series with a one-way output controller 4, and the one-way output controller 4 will only output current in one direction, that is, in the embodiment of the present invention, the first magnetic pole 2 The polarity will not change.
- the second magnetic pole 3 will also be connected in series with a bidirectional output controller 5, which will output current from two directions, that is, the pole of the second electrode in the embodiment of the present invention. Sex will change.
- the integrated electromagnet will be connected to four controllers, which are two one-way output controllers 4 and two two-way output controllers 5 respectively.
- the integrated electromagnet has a guiding state and a braking state during operation.
- the polarity of the same row of magnetic poles will be set to be the same, and the poles of a row of magnetic poles The polarity will be opposite to the polarity of the other row of magnetic poles, so that a magnetic field perpendicular to the axis of the integrated electromagnet is generated between the two rows of magnetic poles, that is, a magnetic field perpendicular to the moving direction of the integrated electromagnet is generated.
- One magnetic pole, the air gap between the magnetic pole and the guide plate 11, the guide plate 11, the air gap between the guide plate 11 and the magnetic pole, the adjacent magnetic poles in the other row, and the yoke 1 returns to the initial magnetic pole, thus forming Magnetic circuit.
- the magnetic circuit generated between the different rows of magnetic poles will generate a magnetic attraction force between the guide plate 11, and the magnitude of the magnetic attraction force can be changed by controlling the magnetic field, thereby realizing the guiding function.
- the direction of the current output by the bidirectional output controller 5 in the braking state needs to be opposite to the direction of the current output in the steering state.
- the bidirectional output controller 5 will output a reverse current compared to the guided state, and the polarity of the second magnetic pole 3 will also be reversed at this time.
- the magnetic field will be emitted from one magnetic pole, passing through the air gap between the magnetic pole and the guide plate 11, the guide plate 11, the air gap between the guide plate 11 and the same row of adjacent magnetic poles, and the adjacent magnetic poles ,
- the yoke 1 returns to the original magnetic pole, thus forming a magnetic circuit.
- the first magnetic pole 2 and the second magnetic pole 3 are alternately arranged one by one, so that they can be formed between the first magnetic pole 2 and the second magnetic pole 3 in the braking state
- the more dense magnetic field, and the magnetic field formed between the first magnetic pole 2 and the second magnetic pole 3 will generate a braking force between the guide plate 11, so that the first magnetic pole 2 and the second magnetic pole are placed in the same row of magnetic poles.
- One by one alternate setting can produce stronger braking force.
- the number of magnetic poles in the same row of magnetic poles is usually an even number.
- the number of first magnetic poles 2 and the number of second magnetic poles 3 in the same row are usually equal.
- the number of magnetic poles in each row can be eight, a total of sixteen magnetic poles are provided, or other numbers of magnetic poles, and the specific number of magnetic poles is not specifically limited in the embodiment of the present invention.
- An integrated electromagnet provided by an embodiment of the present invention includes a magnetic yoke 1 and two rows of magnetic poles on the side surface of the magnetic yoke 1 facing the guide plate 11.
- the magnetic yoke 1 faces the side surface of the guide plate 11;
- the magnetic poles include a first magnetic pole 2 and a second magnetic pole 3, and the first magnetic pole 2 and the second magnetic pole 3 are alternately arranged in the same row of magnetic poles;
- the second magnetic pole 3 in the other row is adjacent;
- the first magnetic pole 2 of any row is connected in series with a unidirectional output controller 4, and the second magnetic pole 3 in any row is connected in series with a bidirectional output controller 5;
- the polarity of the same row of magnetic poles in the state is the same, and the polarity of one row of magnetic poles is opposite to the polarity of the other row of magnetic poles; the direction of the current output by the bidirectional output controller 5 in the braking state and the direction of the current output in the steering state on the contrary.
- the adjacent magnetic poles of different rows can generate magnetic fields due to the difference in polarity, so as to generate a guiding force perpendicular to the train's forward direction between them and the guide plate 11 for guiding; when braking is required , The bidirectional output controller 5 will output a reverse current, and the polarity of the second magnetic pole 3 will be reversed at this time.
- N/S alternation will be formed along the train's forward direction.
- the arranged magnetic poles thus generate a magnetic field to form a braking force for braking; and during braking, the polarities of adjacent magnetic poles between different rows will become the same so that no interference will occur. Integrating the braking function and the guiding function into the same integrated electromagnet can greatly reduce the waste of braking electromagnet resources.
- FIG. 9 is a schematic structural diagram of a specific integrated electromagnet provided by an embodiment of the present invention.
- the embodiments of the present invention further introduce the specific structure of the integrated electromagnet on the basis of the above-mentioned embodiments of the invention.
- the rest of the content has been described in detail in the above-mentioned embodiments of the invention, and will not be repeated here.
- a wear plate 6 is provided on the surface of the magnetic pole facing the guide plate 11.
- the above-mentioned wear plate 6 is usually riveted to the side surface of the magnetic poles facing the guide plate 11 by rivets.
- the material of the wear plate 6 is usually tin bronze, which protects the magnetic poles and avoids mechanical contact between the electromagnet and the guide plate 11 under special circumstances. Damaged magnetic poles.
- the thickness of the aforementioned wear plate 6 is usually not more than 6 mm. It should be noted that other materials can also be selected for the material of the wear plate 6 as long as it can protect the magnetic poles from mechanical collision damage.
- the aforementioned wear plate 6 usually needs to be made of non-magnetic material to prevent the magnetic field generated by the magnetic poles from not passing through the air gap and not acting on the guide plate 11.
- the above-mentioned magnetic poles are divided into two rows.
- the corresponding above-mentioned wear plate 6 can be provided with two rows of magnetic poles facing the side surface of the guide plate 11 as a whole.
- the wear plate 6 can also be divided into two pieces.
- the magnetic poles are directed toward the side surface of the guide plate 11.
- the above-mentioned wear plate 6 can also be selected in other shapes, and the specific shape of the wear plate 6 is not specifically limited in the embodiment of the present invention.
- the magnetic yoke 1 is fixedly connected with three load-bearing slats 7, the three load-bearing slats 7 are parallel to each other, and the axis of the load-bearing slats 7 is parallel to the arrangement direction of the magnetic poles in the same row .
- the above-mentioned bearing slats 7 are divided into upper bearing slats, middle bearing slats and lower bearing slats.
- the upper bearing slats and the lower bearing slats are usually arranged on the upper and lower sides of the yoke 1, and the middle
- the load-bearing slats are usually arranged along the axis of the yoke 1 on the side of the yoke 1 facing away from the guide plate 11.
- the three load-bearing slats 7 are fixedly connected to the yoke 1 and are usually fixed to the yoke 1 by bolts.
- the above-mentioned bearing slats 7 mainly play a bearing role in the embodiment of the present invention.
- the magnetic force between the magnetic poles and the guide plate 11 will be transferred to the bearing slats 7 via the yoke 1.
- the load-bearing slats 7 only play the role of force transmission, support and installation.
- the load-bearing slats 7 are compatible with the arm structure of the existing maglev train, and the magnetic poles can be moved by the load-bearing slats 7 The force generated is transmitted to the train.
- the integrated electromagnet further includes a Y-direction connecting component 9. Any one of the Y-direction connecting components 9 is simultaneously fixed to the surface of the three bearing strips 7 facing away from the guide plate 11. connect.
- an integrated electromagnet is provided with two Y-direction connection components 9 which are respectively located at two ends of the integrated electromagnet.
- any Y-direction connecting component 9 is spanned by three load-bearing slats 7 and is fixedly connected to the surface of the three load-bearing slats 7 facing away from the guide plate 11 at the same time.
- the integrated electromagnet is specifically connected to the train through the Y-direction connecting assembly 9, and the force generated between the magnetic pole and the guide plate 11 is transmitted to the train through the Y-direction connecting assembly 9.
- a back box 8 is provided on the side of the magnetic yoke 1 facing away from the guide plate 11, and the back box 8 is fixedly connected to the carrying slats 7.
- the back box 8 is arranged on the side of the yoke 1 facing away from the guide plate 11, and is mainly used to accommodate components such as wires connected to the electromagnet.
- the aforementioned back box 8 usually includes an upper cover plate, a lower cover plate, a middle cover plate and a rear cover plate.
- the upper cover plate is usually fixedly connected to the upper load-bearing slats by bolts
- the middle cover plate is usually fixedly connected to the middle load-bearing slats by bolts
- the lower cover plate is usually fixedly connected to the middle load-bearing slats by bolts
- the rear cover plate is usually
- the back box 8 is formed by riveting with the upper cover plate, the lower cover plate and the middle cover plate at the same time by rivets.
- the above-mentioned back box 8 can increase the strength of the integrated electromagnet on the one hand, and avoid the large deformation of the integrated electromagnet under the action of the guiding force and braking force; on the other hand, it serves as the installation carrier of the magnetic pole connection cable to protect the cable from damage and the power supply line.
- the cable connector (not shown in the figure) is usually fixed to the upper cover and the lower cover of the back box 8.
- the material of the upper cover plate, the lower cover plate, the middle cover plate and the rear cover plate is usually aluminum alloy.
- the material of the back box 8 is usually not specifically limited, and it depends on the specific situation.
- the material used for the back box 8 is a material that is low in weight, high in strength, and non-magnetic.
- the integrated electromagnet is usually provided with a total of four gap sensors 10 between the load-bearing slats 7.
- the gap sensor 10 is usually fixed between adjacent load-bearing slats 7 by bolts, and is fixed to the load-bearing slats 7. connect.
- the gap sensor 10 is mainly used to detect the gap between the integrated electromagnet and the guide plate 11, as a feedback of the closed-loop control system.
- the detection surface of the gap sensor 10 generally needs to be 4 mm to 6 mm lower than the surface of the wear plate 6 to avoid damage to the gap sensor 10 when the integrated electromagnet is in contact with the guide plate 11.
- the integrated electromagnet provided by the embodiment of the present invention can avoid damage to the magnetic poles due to the mechanical contact between the electromagnet and the guide plate 11 under special circumstances by providing the wear plate 6; on the one hand, the integrated electromagnet can be added Strength, to avoid large deformation of the integrated electromagnet under the action of guiding force and braking force; on the one hand, it serves as the installation carrier of the magnetic pole connection cable to protect the cable from damage.
- FIG. 10 is a schematic diagram of a specific magnetic pole structure provided by an embodiment of the invention.
- the embodiments of the present invention further introduce the specific structure of the magnetic poles in the integrated electromagnet on the basis of the above-mentioned embodiments of the invention.
- the rest of the content has been described in detail in the above-mentioned embodiments of the invention, and will not be repeated here.
- the magnetic pole is a rounded square along a cross section perpendicular to the axis of the magnetic core 21, and the magnetic pole includes the magnetic core 21, the winding 23, the insulating layer 22, and the short interface 24. And a long interface 25; the insulating layer 22 covers the side wall of the insulating layer 22, and the winding 23 is wound around the magnetic core 21 along the surface of the insulating layer 22 facing away from the magnetic core 21; The interface 24 is electrically connected to one port of the winding 23, and the long interface 25 is electrically connected to the other port of the winding 23. Both the short interface 24 and the long interface 25 extend along the axis of the magnetic core 21 to the magnetic pole. One end face.
- the axis of the magnetic core 21 is perpendicular to the surface of the yoke 1 facing the guide plate 11, and the winding 23 is specifically wound around the axis of the magnetic core 21 on the surface of the magnetic core 21.
- the magnetic pole is a square with rounded corners along the cross section perpendicular to the axis of the magnetic core 21, and the length and width of the magnetic pole are substantially equal at this time.
- the above-mentioned insulating layer 22 covers the side walls of the magnetic core 21, and the insulating layer 22 is mainly used to prevent a short circuit between the winding 23 and the magnetic core 21 from damaging the magnetic poles.
- the above-mentioned winding 23 is wound around the magnetic core 21 along the surface of the insulating layer 22 facing away from the magnetic core 21 to form a magnetic pole.
- the specific winding direction of the winding 23 is not specifically limited in the embodiment of the present invention, and depends on the specific situation.
- the winding 23 has two ports for electrical connection with other components. In the embodiment of the present invention, one port is usually welded to a short interface 24 to achieve electrical connection, and the other port is welded to a long interface 25 to achieve electrical connection.
- both the long interface 25 and the short interface 24 extend on the surface of the winding 23 along the axis of the magnetic pole to one end surface of the magnetic pole, so that the magnetic pole is installed in the integrated electromagnet provided in the above-mentioned embodiment of the invention.
- the long interface 25 and the short interface 24 can be extended to the back box 8 to be connected with the wires in the back box 8.
- the magnetic core 21 is a chamfered square along a cross section perpendicular to the axis of the magnetic core 21, and the magnetic pole further includes an insulating support block 26; the insulating support block 26 is located in the At the four corners of the magnetic core 21, the insulating layer 22 covers the magnetic core 21 and the insulating support block 26.
- the cross section of the magnetic core 21 in the direction perpendicular to the axis of the magnetic core 21 is usually a chamfered square.
- insulating support blocks 26 are provided at the four corners of the magnetic core 21.
- the shape of the insulating support blocks 26 requires It corresponds to the shape of the magnetic core 21 to support the insulating layer 22.
- the above-mentioned insulating layer 22 will cover the magnetic core 21 and the insulating support block 26.
- the above-mentioned winding 23 usually adopts a double-layer structure.
- the use of the double-layer winding 23 is beneficial to increase the filling rate of the winding 23, thereby improving the guiding and braking ability, and at the same time, reducing the heating of the winding 23.
- the winding 23 is usually composed of two materials distributed alternately, one layer of which is usually aluminum foil, and the other layer is usually an insulating film.
- the specific structure and material of the winding 23 are not specifically limited, and it depends on the specific situation.
- the surface of the magnetic pole is usually poured with epoxy resin, and the epoxy resin protects the internal structure of the magnetic pole and prevents the magnetic pole from being damaged by short circuit due to moisture.
- the present invention also provides a maglev train.
- the maglev train is specifically provided with the integrated electromagnet provided in any of the above-mentioned invention embodiments.
- the integrated electromagnet please refer to the above-mentioned embodiment of the invention.
- the remaining structures of the maglev train Reference can be made to the prior art, which will not be repeated here.
- the braking function and the guiding function can be integrated in the same integrated electromagnet, so that the electromagnets can share the same control system and power supply system, thereby greatly reducing the control system. Waste of electromagnet resources.
- the steps of the method or algorithm described in the embodiments disclosed in this document can be directly implemented by hardware, a software module executed by a processor, or a combination of the two.
- the software module can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disks, removable disks, CD-ROMs, or all areas in the technical field. Any other known storage media.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Combustion & Propulsion (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
- Linear Motors (AREA)
Abstract
Description
Claims (10)
- 一种集成电磁铁,其特征在于,包括磁轭、位于所述磁轭朝向导向板一侧表面的两排磁极,两排所述磁极一一对应,所述磁极中磁芯的轴线垂直于所述磁轭朝向所述导向板一侧表面;所述磁极包括第一磁极和第二磁极,在同一排所述磁极中所述第一磁极和所述第二磁极交替设置;任一排所述磁极中所述第一磁极与另一排中所述第二磁极相邻;任一排所述第一磁极相互串联且连接一单向输出控制器,任一排所述第二磁极相互串联且连接一双向输出控制器;在导向状态中同一排所述磁极的极性相同,且一排所述磁极的极性与另一排所述磁极的极性相反;所述双向输出控制器在制动状态中输出的电流方向与在导向状态中输出的电流方向相反。
- 根据权利要求1所述的集成电磁铁,其特征在于,在同一排所述磁极中,所述第一磁极和所述第二磁极一一交替设置。
- 根据权利要求2所述的集成电磁铁,其特征在于,同一排所述磁极的个数为偶数。
- 根据权利要求1所述的集成电磁铁,其特征在于,所述磁极朝向所述导向板一侧表面设置有磨耗板。
- 根据权利要求4所述的集成电磁铁,其特征在于,所述磁轭固定连接有三个承载板条,三个所述承载板条相互平行,所述承载板条的轴线平行于同一排所述磁极的排列方向。
- 根据权利要求5所述的集成电磁铁,其特征在于,所述磁轭背向所述导向板一侧设置有背箱,所述背箱与所述承载板条固定连接。
- 根据权利要求6所述的集成电磁铁,其特征在于,还包括Y向连接组件,任一所述Y向连接组件均同时与三个所述承载板条背向所述导向板一侧表面固定连接。
- 根据权利要求1至7任一项权利要求所述的集成电磁铁,其特征在于,所述磁极沿垂直于所述磁芯轴线的截面呈圆角方形,所述磁极包括所述磁芯、绕组、绝缘层、短接口以及长接口;所述绝缘层包覆所述绝缘层侧壁,所述绕组沿所述绝缘层背向所述磁 芯一侧表面缠绕所述磁芯;所述短接口电连接所述绕组一端口,所述长接口电连接所述绕组另一端口,所述短接口与所述长接口均沿所述磁芯轴线延伸至所述磁极一端面。
- 根据权利要求8所述的集成电磁铁,其特征在于,所述磁芯沿垂直于所述磁芯轴线的截面呈去角方形,所述磁极还包括绝缘支撑块;所述绝缘支撑块位于所述磁芯的四角,所述绝缘层包覆所述磁芯和所述绝缘支撑块。
- 一种磁浮列车,其特征在于,包括如权利要求1至9任一项权利要求所述的集成电磁铁。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21776745.8A EP4129745A4 (en) | 2020-03-23 | 2021-01-26 | INTEGRATED ELECTROMAGNET AND MAGNETIC LEVITATION TRAIN |
| JP2022507437A JP7286005B2 (ja) | 2020-03-23 | 2021-01-26 | 集積電磁石及び磁気浮上列車 |
| US17/760,770 US12358378B2 (en) | 2020-03-23 | 2021-01-26 | Integrated electromagnet and maglev train |
| CA3150539A CA3150539C (en) | 2020-03-23 | 2021-01-26 | Integrated electromagnet and maglev train |
| KR1020227008060A KR102643933B1 (ko) | 2020-03-23 | 2021-01-26 | 통합 전자석 및 자기 부상 열차 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211874.7 | 2020-03-23 | ||
| CN202010211874.7A CN111267630A (zh) | 2020-03-23 | 2020-03-23 | 一种集成电磁铁及一种磁浮列车 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021190118A1 true WO2021190118A1 (zh) | 2021-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2021/073747 Ceased WO2021190118A1 (zh) | 2020-03-23 | 2021-01-26 | 一种集成电磁铁及一种磁浮列车 |
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| Country | Link |
|---|---|
| US (1) | US12358378B2 (zh) |
| EP (1) | EP4129745A4 (zh) |
| JP (1) | JP7286005B2 (zh) |
| KR (1) | KR102643933B1 (zh) |
| CN (1) | CN111267630A (zh) |
| CA (1) | CA3150539C (zh) |
| WO (1) | WO2021190118A1 (zh) |
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| CN111267630A (zh) * | 2020-03-23 | 2020-06-12 | 中车青岛四方机车车辆股份有限公司 | 一种集成电磁铁及一种磁浮列车 |
| US12463520B2 (en) * | 2021-09-10 | 2025-11-04 | Orthopedic Wellness Laboratories, Inc. | Electrodynamic braking systems, devices, and methods |
| CN119960302B (zh) * | 2025-01-16 | 2025-10-17 | 同济大学 | 一种保护磁悬浮列车瞬态性能的最优跟踪控制方法 |
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- 2020-03-23 CN CN202010211874.7A patent/CN111267630A/zh active Pending
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- 2021-01-26 JP JP2022507437A patent/JP7286005B2/ja active Active
- 2021-01-26 CA CA3150539A patent/CA3150539C/en active Active
- 2021-01-26 EP EP21776745.8A patent/EP4129745A4/en active Pending
- 2021-01-26 KR KR1020227008060A patent/KR102643933B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US12358378B2 (en) | 2025-07-15 |
| EP4129745A4 (en) | 2024-05-29 |
| CN111267630A (zh) | 2020-06-12 |
| KR102643933B1 (ko) | 2024-03-05 |
| US20220340014A1 (en) | 2022-10-27 |
| CA3150539C (en) | 2024-02-20 |
| JP7286005B2 (ja) | 2023-06-02 |
| EP4129745A1 (en) | 2023-02-08 |
| CA3150539A1 (en) | 2021-09-30 |
| KR20220081976A (ko) | 2022-06-16 |
| JP2022543437A (ja) | 2022-10-12 |
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