CN207622966U - Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment - Google Patents
Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment Download PDFInfo
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- CN207622966U CN207622966U CN201721817079.2U CN201721817079U CN207622966U CN 207622966 U CN207622966 U CN 207622966U CN 201721817079 U CN201721817079 U CN 201721817079U CN 207622966 U CN207622966 U CN 207622966U
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Abstract
The utility model discloses the efficient magnetic structures applied to vibration occurrence of equipment, including magnetic cylinder and central magnetic pole, and magnetic gap is formed between the magnetic cylinder and central magnetic pole；Wherein, the magnetic structure further includes the permanent magnet being installed in the magnetic cylinder, and the permanent magnet cooperatively forms magnet loop, the magnetic gap and the magnet loop intersection with magnetic cylinder.The invention also discloses the vibration occurrence of equipment for including the efficient magnetic structure.For the efficient magnetic structure of the utility model with traditional compared with size magnetic circuit, flux density improves 1/3, that is to say, that the smaller that the vibration experiment magnetic circuit of same specification can be done.
Description
Technical field
The utility model is related to vibration rig technical fields, are applied to vibrate occurrence of equipment more particularly to a kind of
Efficient magnetic structure and vibration occurrence of equipment.
Background technology
Vibration rig is to generate vibration force, and this vibration force is added to the device in other structures and equipment
Tool.Common vibration rig has electric vibration table, electromagnetic vibration generator system, electric activator, electromagnetic exciter etc..
By taking Electrodynamic Vibrators as an example, be at work using be connected with the coil of alternating current in magnetic field stress and produce
Raw exciting force.General Electrodynamic Vibrators are that constant magnetic field is generated by permanent magnet, and moving-coil is existed by arch spring-loaded
In constant magnetic field, mandril and moving-coil are fixed together, and form the moving part of vibrator.When flowing through alternating current in moving-coil
When, moving part generates the exciting force of alternation, and exciting force is passed to test component by mandril.
The magnetic structure of existing vibration rig generally includes magnetic cylinder and central magnetic pole, and central magnetic pole is located in magnetic cylinder
Portion, and magnetic gap is formed between the rwo, the driving coil of moving coil component is distributed in the magnetic gap, when in the driving coil
When being passed through alternating current, driving coil can drive moving coil framework to pump because of the magnetic fields in the magnetic gap.
However, in magnetic structure in the prior art, magnetic density is smaller, and magnetic structure is caused to need to be made big.
Utility model content
The purpose of this utility model is to provide a kind of shake tables with efficient magnetic circuit, by applying magnetic ring body, with biography
System compared with size magnetic circuit, flux density improves 1/3, that is to say, that the vibration experiment magnetic circuit of same specification can be done more
It is small.
To achieve the above object, the utility model provides the following technical solutions：
The utility model embodiment provide it is a kind of be applied to vibration occurrence of equipment efficient magnetic structure, including magnetic cylinder and
Central magnetic pole is formed with magnetic gap between the magnetic cylinder and central magnetic pole, wherein, the magnetic structure further includes efficient magnetic structure
The permanent magnet being installed in the magnetic cylinder, the permanent magnet cooperatively form magnet loop, the magnetic gap and the magnet loop with magnetic cylinder
Intersection.
Further, the permanent magnet is annular permanent magnet.
Further, the permanent magnet is coaxially disposed with magnetic gap.
Further, the magnetic cylinder is equipped with annular mounting groove, and the permanent magnet is installed in the mounting groove.
Further, the annular mounting groove is coaxially disposed with magnetic cylinder, permanent magnet.
Further, the magnetic cylinder includes interior magnetic cylinder and the outer magnetic cylinder around the interior magnetic cylinder setting, the permanent magnet
It is set between outer magnetic cylinder and interior magnetic cylinder.
Further, further include be set between the interior magnetic cylinder and outer magnetic cylinder every magnetic device, should be every magnetic device by institute
It states interior magnetic cylinder and outer magnetic cylinder is separated into two independent components, to ensure that magnet loop smoothly acts on the driving of vibration occurrence of equipment
Coil.Further, the vibration occurrence of equipment includes electric vibration table, electromagnetic vibration generator system, electric activator or electromagnetic exciting
Device.The utility model embodiment additionally provides a kind of vibration occurrence of equipment, including stage body and moving-coil, is installed in the stage body
The efficient magnetic structure stated, and the driving coil on the moving-coil can axially move back and forth in magnetic gap along stage body.
Further, the vibration occurrence of equipment includes that electric vibration table, electromagnetic vibration generator system, electric activator or electromagnetism swash
Shake device.Compared with prior art, include the advantages of the utility model：
1, high efficiency can be effectively increased flux density；
2, easy for installation, safety problem when large scale permanent magnet being avoided to install；
3, the feasibility that high thrust shake table uses permanent magnet is solved.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments described in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, other drawings may also be obtained based on these drawings.
Fig. 1 show the vertical view of shake table magnetic circuit in the utility model specific embodiment；
Fig. 2 show the sectional view in the directions A-A in Fig. 1.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
It is a kind of electric vibration table with efficient magnetic structure that the present embodiment is related to, packet in conjunction with shown in Fig. 1 and Fig. 2
Stage body and moving-coil are included, magnetic structure 1 is installed in the stage body, the magnetic structure 1 includes magnetic cylinder and central magnetic pole 105, magnetic
It is formed with magnetic gap 101 between cylinder and central magnetic pole 105, the moving-coil includes moving coil framework and the driving that is installed on moving coil framework
Coil 2, the driving coil 2 can move up and down in magnetic gap 101.
As the improvement of the present embodiment, further includes the permanent magnet 3 being embedded in magnetic cylinder, match between the permanent magnet 3 and magnetic cylinder
Close the magnet loop 4 for being formed and acting on driving coil.
In the technical solution, magnet loop 4 is used to provide magnetic field in magnetic gap 101 for driving coil 2, when in driving coil 2
When being inside passed through alternating current, driving coil can drive moving coil framework to pump because of the magnetic fields in the magnetic gap.
In one embodiment, magnetic cylinder includes interior magnetic cylinder 102, around the outer magnetic cylinder 103 of interior magnetic cylinder 102.
In this embodiment, magnetic cylinder is whole in a ring, and middle part forms an annular mounting groove, and permanent magnet 3 is installed on the ring
In shape mounting groove.The outer magnetic cylinder 103 and interior magnetic cylinder 102 can be coaxially disposed.
In other embodiments, outer magnetic cylinder 103 and interior magnetic cylinder 102 are discrete assembly.
In another embodiment, the section for the axial cross section or other shapes that outer magnetic cylinder 103 can also be with rectangle.
Further, the bottom of interior magnetic cylinder 102 is provided with every magnetic device 5, should be divided interior magnetic cylinder and outer magnetic cylinder every magnetic device 5
Two independent components are divided into, every magnetic device using non-metallic material, such as rubber etc., it is ensured that magnet loop smoothly acts on
Driving coil.
The embodiment of the utility model by the embedded permanent magnet in the magnetic cylinder of electric vibration table, permanent magnet and magnetic cylinder it
Between constitute magnet loop 4, with tradition the magnetic circuit of permanent magnet is not set compared with, magnetic density improves 1/3, that is to say, that same specification
The smaller that can do of vibration experiment magnetic circuit.
In addition, the efficient magnetic structure of the utility model applies also for electromagnetic vibration generator system, electric activator or electromagnetic exciting
Device etc. vibrates occurrence of equipment.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of efficient magnetic structure being applied to vibration occurrence of equipment, including magnetic cylinder and central magnetic pole, the magnetic cylinder and center
Magnetic gap is formed between magnetic pole, which is characterized in that the magnetic structure further includes the permanent magnet being installed in the magnetic cylinder, described
Permanent magnet cooperatively forms magnet loop, the magnetic gap and the magnet loop intersection with magnetic cylinder.
2. the efficient magnetic structure according to claim 1 for being applied to vibration occurrence of equipment, which is characterized in that the permanent magnetism
Body is annular permanent magnet.
3. the efficient magnetic structure according to claim 2 for being applied to vibration occurrence of equipment, which is characterized in that the permanent magnetism
Body is coaxially disposed with magnetic gap.
4. the efficient magnetic structure according to claim 2 or 3 for being applied to vibration occurrence of equipment, which is characterized in that described
Magnetic cylinder is equipped with annular mounting groove, and the permanent magnet is installed in the mounting groove.
5. the efficient magnetic structure according to claim 4 for being applied to vibration occurrence of equipment, which is characterized in that the annular
Mounting groove is coaxially disposed with magnetic cylinder, permanent magnet.
6. the efficient magnetic structure according to claim 4 for being applied to vibration occurrence of equipment, which is characterized in that the magnetic cylinder
Outer magnetic cylinder including interior magnetic cylinder and around the interior magnetic cylinder setting, the permanent magnet are set between outer magnetic cylinder and interior magnetic cylinder.
7. the efficient magnetic structure according to claim 6 for being applied to vibration occurrence of equipment, which is characterized in that further include setting
Be placed between the interior magnetic cylinder and outer magnetic cylinder every magnetic device, the interior magnetic cylinder and outer magnetic cylinder should be separated into two every magnetic device
Independent component, to ensure that magnet loop smoothly acts on the driving coil of vibration occurrence of equipment.
8. the efficient magnetic structure according to claim 1 for being applied to vibration occurrence of equipment, which is characterized in that the vibration
Occurrence of equipment includes electric vibration table, electromagnetic vibration generator system, electric activator or electromagnetic exciter.
9. a kind of vibration occurrence of equipment, including stage body and moving-coil, which is characterized in that be equipped with claim 1-8 in the stage body
Any one of described in efficient magnetic structure, and the driving coil on the moving-coil can along stage body it is axial in magnetic gap it is reciprocal
Movement.
10. vibration occurrence of equipment according to claim 9, which is characterized in that the vibration occurrence of equipment includes electronic shakes
Dynamic platform, electromagnetic vibration generator system, electric activator or electromagnetic exciter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817079.2U CN207622966U (en) | 2017-12-22 | 2017-12-22 | Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817079.2U CN207622966U (en) | 2017-12-22 | 2017-12-22 | Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207622966U true CN207622966U (en) | 2018-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721817079.2U Active CN207622966U (en) | 2017-12-22 | 2017-12-22 | Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment |
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| CN (1) | CN207622966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976292A (en) * | 2017-12-22 | 2018-05-01 | 脉创测控装备科技（苏州）有限公司 | Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment |
-
2017
- 2017-12-22 CN CN201721817079.2U patent/CN207622966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976292A (en) * | 2017-12-22 | 2018-05-01 | 脉创测控装备科技（苏州）有限公司 | Efficient magnetic structure and vibration occurrence of equipment applied to vibration occurrence of equipment |
| CN107976292B (en) * | 2017-12-22 | 2024-03-29 | 脉创测控装备科技（苏州）有限公司 | Efficient magnetic circuit structure applied to vibration generating equipment and vibration generating equipment |
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