Electromagnetic pump driven by combination of permanent magnet and electromagnetism

Abstract

The utility model discloses a permanent magnet electromagnetism combined drive electromagnetic pump relates to electromagnetic pump field, including insulating sleeve and set up the coil support in the insulating sleeve, coil support includes middle casing and side casing, the side casing symmetrically set up in the middle casing both sides, and side casing and middle casing are integrated into one piece, and the coil support is equipped with the insulating sleeve. A permanent magnet is installed on the middle shell part, and an electromagnetic coil is arranged on the side shell part in a sleeved mode. According to the utility model, the coil bracket is designed into a structure that the middle shell part and the side shell parts are matched with each other, so that the permanent magnet can be mounted through the middle shell part during use, and the electromagnetic coils are mounted on the side shell parts on the two sides; no matter how the magnetic fields generated by the two electromagnetic coils change alternately, the magnetic fields generated by the two electromagnetic coils and the magnetic fields generated by the permanent magnets can be superposed and enhanced, and the superposed and enhanced magnetic fields can generate larger driving force to assist the electromagnetic pump to realize larger output flow and larger output thrust.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic pumps, in particular to an electromagnetic pump driven by a permanent magnet and electromagnetic combination. Background Art

[0002] At present, electromagnetic pumps are widely used in cooling fast neutron reactors in nuclear power plants, metal smelting and manufacturing industries.

[0003] The Chinese patent with the existing announcement number CN102325995B discloses a piston slidably arranged in a cylinder and separating a first pump chamber and a second pump chamber connected to an operation object. A first switch valve is arranged between the first pump chamber and the outside. A second switch valve is arranged in a connecting flow path connecting the first pump chamber and the second pump chamber to each other. When the piston moves forward by the electromagnetic force of the solenoid part, the volume of the first pump chamber decreases and the volume of the second pump chamber increases.

[0004] With respect to the above-mentioned related technologies, it is found that the existing electromagnetic pumps all adopt a single magnetic field structure, and the driving force is limited when in use. Thus, they cannot be used in some scenarios requiring large flow and large output thrust, and have a small scope of application. Utility Model Content

[0005] The present application provides an electromagnetic pump driven by a permanent magnet and electromagnetic combination, which is used to solve the problems raised in the background technology.

[0006] The utility model is achieved in this way:

[0007] An electromagnetic pump driven by a permanent magnet electromagnetic combination comprises an insulating sleeve and a coil support arranged in the insulating sleeve, the coil support comprises a middle shell portion and a side shell portion, the side shell portions are symmetrically arranged on both sides of the middle shell portion, and the side shell portion and the middle shell portion are integrally formed, a permanent magnet is mounted on the middle shell portion, an electromagnetic coil is sleeved on the side shell portion, an oil inlet pipe group and an oil outlet pipe group are respectively mounted at both ends of the coil support, and the oil inlet pipe group and the oil outlet pipe group are both fixedly connected to the coil support, and an armature guide device is slidably mounted in the oil inlet pipe group and the oil outlet pipe group.

[0008] Furthermore, the middle shell portion includes a connecting plate and an inner baffle plate, the inner baffle plate is arranged on both sides of the connecting plate, and the inner baffle plate and the connecting plate are integrally formed.

[0009] Furthermore, the side shell portion includes a tube shell and an outer baffle, the outer baffle is arranged at the outer end of the tube shell, and the outer baffle and the tube shell are integrally formed.

[0010] Furthermore, a guide oil pipe is sealedly installed at one end of the oil inlet pipe group, a sealing ball is installed on the inner side of the guide oil pipe, and a first spring supporting the sealing ball is fixedly installed in the oil inlet pipe group.

[0011] Furthermore, a first guide sleeve for slidingly mounting the armature guide device is installed in the oil inlet pipe assembly, and the first guide sleeve is fixedly engaged with the oil inlet pipe assembly.

[0012] Furthermore, a second guide sleeve for slidingly mounting the armature guide device is installed inside the oil outlet pipe group, and the second guide sleeve is fixedly engaged with the oil outlet pipe group.

[0013] Furthermore, the armature guide device comprises an armature part and a conduit part, the conduit part is fixedly installed in the armature part, and a one-way valve is installed in the conduit part.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model designs the coil bracket into a structure in which the middle shell part and the side shell part cooperate, so that when in use, the permanent magnet can be installed through the middle shell part, and the electromagnetic coil can be installed on the side shell parts on both sides, and at the same time, the permanent magnet is specially treated by the bipolar magnetization process to achieve the characteristic that both sides of the magnet are N poles and the middle position presents an S pole, so that when the electromagnetic coil is passed through alternating current, the N poles and S poles of the magnetic field generated by the two coils change alternately according to the frequency of the alternating current, and the polarity is consistent. Through the design of the permanent magnet, the magnetic fields generated by the two electromagnetic coils can be superimposed and enhanced with the magnetic field generated by the permanent magnet no matter how they change alternately, and the superimposed and enhanced magnetic field can generate a greater driving force, assisting the electromagnetic pump to achieve a greater output flow rate and a greater output thrust. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a cross-sectional view of the overall structure in an embodiment of the utility model;

[0017] Figure 2 yes Figure 1 A perspective view of the coil support shown;

[0018] Figure 3 yes Figure 2 a front view of the device shown;

[0019] Figure 4 yes Figure 1 A perspective view of the armature guide device shown;

[0020] Figure 5 yes Figure 4 A cross-sectional view of the device shown.

[0021] In the figure: 1. insulating sleeve; 2. coil bracket; 21. middle shell; 211. connecting plate; 212. inner baffle; 22. side shell; 221. tube shell; 222. outer baffle; 3. permanent magnet; 4. electromagnetic coil; 5. oil inlet pipe group; 51. oil guide pipe; 52. sealing ball; 53. first spring; 54. first guide sleeve; 6. oil outlet pipe group; 61. second guide sleeve; 7. armature guide device; 71. armature part; 72. conduit part; 73. one-way valve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents the selected embodiments of the utility model.

[0023] Reference Figure 1 , Figure 2 and Figure 3As shown, an electromagnetic pump driven by a permanent magnet electromagnetic combination includes an insulating sleeve 1 and a coil bracket 2 arranged in the insulating sleeve 1, the coil bracket 2 includes a middle shell part 21 and a side shell part 22, the side shell parts 22 are symmetrically arranged on both sides of the middle shell part 21, and the side shell parts 22 and the middle shell part 21 are integrally formed, a permanent magnet 3 is installed on the middle shell part 21, an electromagnetic coil 4 is sleeved on the side shell part 22, an oil inlet pipe group 5 and an oil outlet pipe group 6 are respectively installed at both ends of the coil bracket 2, and the oil inlet pipe group 5 and the oil outlet pipe group 6 are fixedly connected to the coil bracket 2, and an armature guide device 7 is slidably installed in the oil inlet pipe group 5 and the oil outlet pipe group 6. By arranging the insulating sleeve 1 on the outside of the coil support 2, it is convenient to use the insulating sleeve 1 for protection, so that the pump housing can be conveniently fixed and installed externally for use, and by designing the coil support 2 into a structure in which the middle shell part 21 and the side shell part 22 cooperate, the permanent magnet 3 can be installed through the middle shell part 21 when it is easy to use. The permanent magnet 3 is specially treated by the bipolar magnetization process to achieve the characteristics that both sides of the magnet are N poles and the middle position presents S poles. At the same time, the electromagnetic coil 4 is installed through the side shell parts 22 at both ends. The electromagnetic coils 4 at both ends are wound with the same set of enameled wires, and the winding direction is consistent. In this way, when the electromagnetic coils are connected to alternating current, the N poles and S poles of the magnetic field generated by the two electromagnetic coils 4 can be alternately changed according to the frequency of the alternating current, and the polarity is consistent. Thanks to the design of the permanent magnet 3, the magnetic field generated by the two electromagnetic coils can be superimposed and enhanced with the magnetic field generated by the permanent magnet 3 no matter how it is alternately changed. The superimposed and enhanced magnetic field can generate a greater driving force, which helps the electromagnetic pump achieve a greater output flow and a greater output thrust.

[0024] Reference Figure 2 and Figure 3 As shown, the middle shell 21 includes a connecting plate 211 and an inner baffle 212, the inner baffle 212 is arranged on both sides of the connecting plate 211, and the inner baffle 212 is integrally formed with the connecting plate 211. The structural setting of the middle shell 21 ensures that the two connecting plates 211 and the two inner baffles 212 form a frame structure, and it is easy to position and install the permanent magnet 3 through the middle shell 21. The side shell 22 includes a tube shell 221 and an outer baffle 222, the outer baffle 222 is arranged at the outer end of the tube shell 221, and the outer baffle 222 is integrally formed with the tube shell 221. The structural setting of the side shell 22 ensures that the outer baffle 222 is fixedly installed on the tube shell 221, so that the electromagnetic coil 4 can be more stably sleeved on the tube shell 221.

[0025] Reference Figure 1As shown, a guide oil pipe 51 is sealed and installed at one end of the oil inlet pipe group 5, a sealing ball 52 is installed on the inner side of the guide oil pipe 51, and a first spring 53 supporting the sealing ball 52 is fixedly installed in the oil inlet pipe group 5. The guide oil pipe 51 is provided to ensure that the oil flows in stably, and the sealing ball 52 and the first spring 53 are provided to ensure that the guide oil pipe 51 is sealed, so that the oil can only flow in but cannot flow out in the opposite direction.

[0026] Reference Figure 1 As shown, a first guide sleeve 54 for slidingly installing the armature guide device 7 is installed in the oil inlet pipe group 5, and the first guide sleeve 54 is fixedly engaged with the oil inlet pipe group 5. A second guide sleeve 61 for slidingly installing the armature guide device 7 is installed inside the oil outlet pipe group 6, and the second guide sleeve 61 is fixedly engaged with the oil outlet pipe group 6. The provision of the first guide sleeve 54 and the second guide sleeve 61 facilitates the stable sliding installation of the armature guide device 7.

[0027] Reference Figure 4 and Figure 5 As shown, the armature guide device 7 includes an armature portion 71 and a conduit portion 72. The conduit portion 72 is fixedly mounted in the armature portion 71, and a one-way valve 73 is installed in the conduit portion 72. The armature guide device 7 is structurally arranged to ensure that the conduit portion 72 is fixedly mounted on the armature portion 71, and the conduit portion 72 can be driven to move synchronously by the armature portion 71 during easy use.

[0028] Working principle: When in use, after passing alternating current through the electromagnetic coil, it can cooperate with the permanent magnet to drive the armature guide device to reciprocate, and then through the superposition and enhanced magnetic field, a greater driving force can be generated, assisting the electromagnetic pump to achieve a larger output flow and a greater output thrust.

[0029] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electromagnetic pump driven by a permanent magnet and an electromagnetic combination, comprising an insulating sleeve (1) and a coil support (2) arranged in the insulating sleeve (1), characterized in that: The coil support (2) comprises a middle shell portion (21) and a side shell portion (22), the side shell portions (22) being symmetrically arranged on both sides of the middle shell portion (21), and the side shell portions (22) and the middle shell portion (21) being integrally formed, the middle shell portion (21) being mounted with a permanent magnet (3), the side shell portions (22) being sleeved with an electromagnetic coil (4), an oil inlet pipe group (5) and an oil outlet pipe group (6) being respectively mounted at both ends of the coil support (2), the oil inlet pipe group (5) and the oil outlet pipe group (6) being fixedly connected to the coil support (2), and an armature guide device (7) being slidably mounted in the oil inlet pipe group (5) and the oil outlet pipe group (6).

2. The electromagnetic pump driven by a permanent magnet and electromagnetic combination according to claim 1, characterized in that: The middle shell portion (21) comprises a connecting plate (211) and an inner baffle plate (212), wherein the inner baffle plate (212) is arranged on both sides of the connecting plate (211), and the inner baffle plate (212) and the connecting plate (211) are integrally formed.

3. The electromagnetic pump driven by a permanent magnet and electromagnetic combination according to claim 2, characterized in that: The side shell portion (22) comprises a tube shell (221) and an outer baffle plate (222); the outer baffle plate (222) is arranged at the outer end of the tube shell (221), and the outer baffle plate (222) and the tube shell (221) are integrally formed.

4. The electromagnetic pump driven by a permanent magnet and electromagnetic combination according to claim 3, characterized in that: A guide oil pipe (51) is sealably mounted on one end of the oil inlet pipe group (5), a sealing ball (52) is mounted on the inner side of the guide oil pipe (51), and a first spring (53) supporting the sealing ball (52) is fixedly mounted in the oil inlet pipe group (5).

5. The electromagnetic pump driven by a permanent magnet and electromagnetic combination according to claim 4, characterized in that: A first guide sleeve (54) for slidingly mounting the armature guide device (7) is installed in the oil inlet pipe group (5), and the first guide sleeve (54) is fixedly engaged with the oil inlet pipe group (5).

6. The electromagnetic pump driven by a permanent magnet and an electromagnetic combination according to claim 5, characterized in that: A second guide sleeve (61) for slidingly mounting the armature guide device (7) is installed inside the oil outlet pipe group (6), and the second guide sleeve (61) is engaged and fixed with the oil outlet pipe group (6).

7. The electromagnetic pump driven by a permanent magnet and an electromagnetic combination according to claim 6, characterized in that: The armature guide device (7) comprises an armature part (71) and a conduit part (72); the conduit part (72) is fixedly mounted in the armature part (71), and a one-way valve (73) is mounted in the conduit part (72).

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