CN220509809U

CN220509809U - Electromagnetic field device with magnetic field space and body mutually separated

Info

Publication number: CN220509809U
Application number: CN202322217574.1U
Authority: CN
Inventors: 王春莲; 黄通领
Original assignee: Mianyang Fucheng Litian Magnetoelectricity Science And Technology Co ltd
Current assignee: Mianyang Fucheng Litian Magnetoelectricity Science And Technology Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-02-20
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses an electromagnetic field device with mutually separated magnetic field space and a body, which comprises: set up the excitation coil group on the iron core yoke, still include: two long-arm magnetic yokes arranged at two ends of the iron core magnetic yoke; the magnetic poles are respectively arranged at the free ends of the two long-arm magnetic yokes; the electromagnetic field device is provided with a magnetic field space through gaps among magnetic poles, and the space position of the magnetic field space is set away from the excitation coil group by a preset distance through the long-arm magnetic yoke. According to the utility model, the distance between the exciting coil and the magnetic field space is prolonged under the long arm action of the long arm magnetic yoke, the sizes of the long arm magnetic yoke and the magnetic poles are far smaller than those of the exciting coil, and the interference around the magnetic field space is greatly reduced. The magnetic field adding device solves the problem that the magnetic field needs to be added in some special scenes, and has the advantages of easy magnetic field adding, unrestricted space, convenient magnetic field movement and high efficiency.

Description

Electromagnetic field device with magnetic field space and body mutually separated

Technical Field

The present utility model relates to electromagnetic field devices, and more particularly to electromagnetic field devices. The utility model relates to an electromagnetic field device with a magnetic field space and a body separated from each other.

Background

The special-shaped electromagnetic field device is magnetic field equipment designed for applying a magnetic field under special conditions, when research test experiments are carried out, the magnetic field generated by the conventional type cannot meet scientific research test requirements, and special-shaped electric field magnetic field equipment with different shapes and structures is customized according to the use scene so as to meet the research test requirements of the special conditions. Such as: under a microscope, a probe station and a space are limited, magneto-optical experiments are carried out, the special use environments such as magnetic mineral powder screening and the like, and the common electromagnetic field can not meet the use requirements, and then the electromagnetic field is required to be manufactured according to the scene design.

In the conventional electromagnetic field device, as shown in fig. 2, when a welding magnetic field experiment and a microscope observe a magnetic effect physical experiment, an excitation coil 7 is very close to a magnetic field space 8, a sample and a test instrument are placed in the excitation coil 7 in an interference manner, and a microscope lens cannot be placed in or close to the magnetic field space, so that the application range of an electromagnetic field is limited, and development of scientific research projects is influenced in a certain range, for example, an utility model patent with the patent application number of CN200710010418.0 discloses a monocrystal electromagnetic field device.

It is known that the electromagnetic field device in the prior art has the defects of high cost, low efficiency, time consumption and the like.

Disclosure of Invention

It is an object of the present utility model to address at least the above problems and/or disadvantages and to provide at least the advantages described below.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, an electromagnetic field device in which a field space is separated from a body, includes: set up the excitation coil group on the iron core yoke, still include:

two long-arm magnetic yokes arranged at two ends of the iron core magnetic yoke;

the magnetic poles are respectively arranged at the free ends of the two long-arm magnetic yokes;

the electromagnetic field device is provided with a magnetic field space through gaps among magnetic poles, and the space position of the magnetic field space is set away from the excitation coil group by a preset distance through the long-arm magnetic yoke.

Preferably, the cooling unit comprises a plurality of heat-dissipating cold water plates;

wherein, round through holes for the iron core magnetic yoke to pass through are respectively arranged on each heat dissipation cold water plate;

the excitation coil group is obtained by winding an excitation coil between adjacent heat-dissipation cold water plates.

Preferably, each heat-dissipating cold water plate is provided with a water inlet and a water outlet which are communicated with an external water-cooling circulation unit;

the inside of each heat-dissipation cold water plate is provided with a cavity, and the cavity is communicated with the water inlet and the water outlet.

Preferably, a plurality of connecting holes are formed at the edge of each heat-dissipating cold water plate;

wherein, each heat dissipation cold water board is connected into an integral structure through the mounting that passes each connecting hole.

The utility model at least comprises the following beneficial effects:

according to the utility model, the distance between the exciting coil group and the magnetic field space is prolonged through the long arm action of the long arm magnetic yoke, and the sizes of the long arm magnetic yoke and the magnetic poles are far smaller than those of the exciting coil group, so that interference around the magnetic field space is greatly reduced, and the magnetic field coil is suitable for a plurality of occasions needing a magnetic field.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Description of the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of the overall structure of the conventional device.

The marks in the figure: 1. the magnetic pole, 2, long arm yoke, 3, magnetic field space, 4, heat dissipation cold water board, 5, excitation coil group, 6, iron core yoke, 7, excitation coil, 8, magnetic field space.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.

Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The novel experimental model is described in detail below with reference to the accompanying drawings:

fig. 1 shows an electromagnetic field device of the present utility model in which a magnetic field space and a body are separated from each other, comprising: the exciting coil group 5 penetrating through the iron core yoke 6 further comprises:

two long arm yokes 2 arranged at both ends of the iron core yoke 6;

the magnetic poles 1 are respectively arranged at the free ends of the two long-arm magnetic yokes 2;

the electromagnetic field device is provided with a magnetic field space 3 through a gap between the magnetic poles 1, and the space position of the magnetic field space 3 is set away from the excitation coil set 5 by a preset distance through the long-arm magnetic yoke 2.

Working principle:

when current is applied to the excitation coil group 5, a magnetic field H, H is generated in the excitation coil group 5, and the magnetic field magnetizes the core yoke 6, and a magnetic induction B, b=μh is generated in the core yoke 6. The magnetic induction B passes through the magnetic circuit of the long-arm magnetic yoke 2 and the magnetic circuit of the magnetic pole 1, and a strong magnetic field is generated in the magnetic field space 3. The utility model is provided with the long-arm magnetic yoke 2, the distance between the exciting coil 5 and the magnetic field space 3 is prolonged by the long-arm action of the long-arm magnetic yoke 2, and the magnetic field space 3 can be added to any scene requiring an electromagnetic field. The magnetic effect experimental phenomenon of the substances can be observed under a microscope. Since the dimensions of the long-arm yoke 2 and the magnetic pole 1 are far smaller than those of the exciting coil 5, the interference around the magnetic field space 3 is greatly reduced, and the long-arm yoke is suitable for many occasions requiring a magnetic field.

In the above-described aspect, the cooling unit constituted by the plurality of heat-radiating cold water plates 4: wherein, round through holes for the iron core magnetic yoke 6 to pass through are respectively arranged on each heat dissipation cold water plate 4; the excitation coil group 5 is obtained by winding an excitation coil provided between adjacent heat-radiating cold water plates 4. By adopting the technical method, the temperature of the exciting coil group 5 is raised and lowered, and a high-efficiency and stable magnetic field is generated.

In the scheme, the cooling cold water plates 4 are respectively provided with a water inlet and a water outlet which are communicated with an external water cooling circulation unit; wherein, each heat dissipation cold water plate 4 is internally provided with a cavity, and the cavity is communicated with the water inlet and the water outlet. By adopting the technical scheme, each heat-dissipation cold water plate 4 is connected with an independent water-cooling circulation unit, so that the generated heat cannot be accumulated, and the heat-dissipation effect is good.

In the above scheme, a plurality of connecting holes are formed on the edge of each heat-dissipating cold water plate 4; wherein, each heat-dissipating cold water plate 4 is connected into an integral structure by a fixing piece passing through each connecting hole. It should be noted that, the fixing piece here can be connected by adopting a pin manner, or can be connected by adopting a connection manner of matching a screw and a nut or any connection manner capable of realizing integral fixing of a plurality of components.

The above is merely illustrative of a preferred embodiment, but is not limited thereto. In practicing the present utility model, appropriate substitutions and/or modifications may be made according to the needs of the user.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present utility model. Applications, modifications and variations of the present utility model will be readily apparent to those skilled in the art.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. The utility model provides an electromagnetic field device of magnetic field space and mutual separation of body, includes the excitation coil group of wearing to establish on the iron core yoke, its characterized in that still includes:

2. The electromagnetic field device of claim 1, further comprising a cooling unit consisting of a plurality of heat-dissipating cold water plates;

3. The electromagnetic field device of claim 2, wherein each heat-dissipating cold water plate is provided with a water inlet and a water outlet which are communicated with an external water-cooling circulation unit;

4. The electromagnetic field device of claim 2, wherein the edges of each heat-dissipating cold water plate are provided with a plurality of connecting holes;