CN108900066A - Circular arc motor and Medical Devices - Google Patents
Circular arc motor and Medical Devices Download PDFInfo
- Publication number
- CN108900066A CN108900066A CN201811030308.5A CN201811030308A CN108900066A CN 108900066 A CN108900066 A CN 108900066A CN 201811030308 A CN201811030308 A CN 201811030308A CN 108900066 A CN108900066 A CN 108900066A
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- Prior art keywords
- motor
- circular arc
- swing mechanism
- primary
- guide rail
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Classifications
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- 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
-
- 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
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/22—Optical devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of circular arc motor and Medical Devices, the circular arc motor, including：Pedestal, swing mechanism, mounting plate, electric motor primary and motor secondary, swing mechanism are fixed on the base；Mounting plate is installed on the base by supporting element；Motor secondary is mounted on swing mechanism；Electric motor primary is arc-shaped, and is fixed on a mounting board, opposite with motor secondary；Motor secondary includes：Magnetic yoke, magnetic yoke is annular in shape, is mounted on swing mechanism；Even number magnet, these magnets are uniformly arranged in magnetic yoke around the central axes of swing mechanism, and the polarity of adjacent two magnet is different；Electric motor primary includes：M primary module, M primary module are uniformly arranged on a mounting board around central axes, and each primary module is sequentially connected in series, M >=2.The advantage of both circular arc motor set provided by the invention linear motor and rotating electric machine, the characteristics of can use linear motor, carry out the purpose of rotation torque output, improve the torque of motor output.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of circular arc motor and Medical Devices.
Background technique
Compound, intelligent, the environmentally friendly direction of Medical Devices forward direction is developed.In order to make Medical Devices have better stability and
Lower vibrating noise needs to optimize the transmission chain of Medical Devices.Although making traditional transmission by constantly improving
Chain performance is improved, but only " direct-drive " could cancel the concept of intermediate link, tackle the problem at its root.With straight
Connect driving motor (Direct-Driving Motor) design and manufacture and its Drive Control Technique it is increasingly mature, answer extensively
It has used in Medical Devices, the direct drive of all rotary motions of Medical Devices, linear motion can be realized by direct-driving motor
It is dynamic, not only greatly simplifie the drive mechanism of Medical Devices, but also considerably improve Medical Devices dynamic sensitivity and
Functional reliability can fundamentally improve Medical Devices working performance.
However, current linear motor can only linear drives, rotating electric machine can only rotate driving.Although linear motor has
The advantage that structure is simple, is easy to make, but still need under the operating condition of large torque output and carry out meet demand using rotating electric machine,
But the production of large torque rotating electric machine is difficult.Therefore the advantage for how combining both linear drives and rotation driving, is that dealer exists
The problem of thinking.
Summary of the invention
Based on this, the present invention provides a kind of circular arc motors, it is intended to realize rotation torque using the characteristics of linear motor
Output.
The invention is realized in this way a kind of circular arc motor, including：
Pedestal；
Swing mechanism, the swing mechanism are fixed on the pedestal；
Mounting plate, the mounting plate are mounted on the pedestal by supporting element；
Motor secondary, the motor secondary are mounted on the swing mechanism, so as to around the central axes of the swing mechanism
Rotation；
Electric motor primary, the electric motor primary are arc-shaped, and are fixed on the mounting plate, opposite with the motor secondary,
And it is separated by a certain distance；
Wherein, the motor secondary includes：
Magnetic yoke, the magnetic yoke is annular in shape, is mounted on the swing mechanism；
Even number magnet, the even number magnet are uniformly arranged in the magnetic yoke around the central axes, and adjacent two magnetic
Polarity between body is different；
The electric motor primary includes：M primary module, the M primary module are uniformly arranged on institute around the central axes
It states on mounting plate, and each primary module is sequentially connected in series, M >=2.
Further, the primary module includes：Silicon steel sheet, and the coil being wound around on the silicon steel sheet, it is each described
The coil of primary module is sequentially connected in series.
Further, the circular arc motor further includes：
Grating scale, the grating scale are arranged on the swing mechanism, can rotate together with the motor secondary；
Reading head, the reading head is arranged on the pedestal by fixing piece, for reading the grating information of grating scale；
Driver, the driver and the reading head are electrically connected, to obtain the grating information, and then described in control
The operation of circular arc motor.
Further, the swing mechanism is any one in guide rail mechanism or bearing.
Further, the guide rail mechanism includes：
Guide rail, the guide rail are fixed on the pedestal, and the guide rail is spliced by the sub- guide rail of multi-section circular arc shape；
Sliding block, the sliding block are mounted on the guide rail, can be slided on the guide rail, the magnetic yoke is fixed on the cunning
On block.
Further, the spacing between the motor secondary and the electric motor primary is 0.2mm~1.5mm.
Further, the angle between the two neighboring magnet is 0.1 °~5 °.
Further, the angle between the two neighboring primary module is 2 °~10 °.
Further, the magnet is pasted on the yoke surfaces by glue, and the glue thickness is less than or equal to
1mm。
The present invention also provides a kind of Medical Devices, the Medical Devices include the electricity of circular arc described in above-mentioned any one
Machine.
Arc-shaped motor provided by the invention is the equal of that the motor secondary setting of linear motor is annular in shape, and is mounted on
On one swing mechanism, while the electric motor primary of linear motor being done in the arc-shaped, motor secondary is just after electric motor primary is powered
Rotary motion can be done, to achieve the purpose that it is defeated to improve motor using rotation torque output is carried out the characteristics of linear motor
Torque out.In addition, electric motor primary is concatenated by multiple primary modules, keep manufacturing for entire electric motor primary simpler
It is single, therefore the circular arc motor of the present embodiment is equivalent to the advantage for having gathered both linear motor and rotating electric machine.
Detailed description of the invention
Fig. 1 is the overall structure diagram of circular arc motor provided by the invention；
Fig. 2 is the structural schematic diagram of the swing mechanism of circular arc motor provided by the invention；
Fig. 3 is the lateral plan of circular arc motor provided by the invention；
Fig. 4 is the partial enlargement diagram of circular arc motor provided by the invention a-quadrant；
Fig. 5 is the electric motor primary of circular arc motor provided by the invention and the schematic diagram of motor secondary cooperation；
Fig. 6 is the structural schematic diagram of the primary module of circular arc motor provided by the invention；
Fig. 7 is the partial schematic diagram at the feedback regulation device of circular arc motor provided by the invention.
Specific embodiment
In order to make it easy to understand, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.It is given in attached drawing
Better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to described herein
Embodiment.On the contrary, the purpose of providing these embodiments is that making to understand the disclosure more thorough
Comprehensively.
It should be noted that it can be straight when element is referred to as " be fixed on, be installed on, or being set to " another element
It connects on the other element or there may also be elements placed in the middle.When an element be considered as " connect or connect " another
Element, it can be directly to another element or may be simultaneously present centering elements.
As shown in Figures 1 to 4, in embodiment provided by the invention, which includes：Pedestal 1, swing mechanism 2,
Mounting plate 3, motor secondary 4 and electric motor primary 5.Wherein, swing mechanism 2 is fixed on pedestal 1, and mounting plate 3 passes through supporting element
6 are fixed on pedestal 1, are separated by a certain distance with swing mechanism 2.Motor secondary 4 is mounted on swing mechanism 2, can with return
Rotation mechanism 2 is rotated around the central axes of swing mechanism 2 together.Electric motor primary 5 is arc-shaped that (i.e. electric motor primary 5 is in the cyclic annular knot of fan
Structure), it is fixed on mounting plate 3, electric motor primary 5 is opposite with motor secondary 4 at this time and is separated by a certain distance.When electric motor primary 5 is logical
After electricity, motor secondary 4 can be rotated under magnetic induction effect with swing mechanism 2.
In addition, in the present embodiment, motor secondary 4 includes：Magnetic yoke 41 and magnet 42.Magnetic yoke 41 can be using No. 45 steel etc.
Permeability magnetic material is made, and entire magnetic yoke 41 is annular in shape, is mounted on swing mechanism 2, and coaxially set with swing mechanism.Magnet 42
Number is even number, and the setting of these magnets 42 is uniformly arranged in magnetic yoke 41, and around the central axes of swing mechanism 2, meanwhile, it is adjacent
The polarity of two magnets 42 is different.Electric motor primary 5 includes 10 primary modules 51 (primary module) being sequentially connected in series, and this 10
Primary module 51 is uniformly arranged on a mounting board around the central axes of swing mechanism 2.It should be understood that it is provided by the invention other
In embodiment, the quantity of primary module 51 can be 2, or other numbers greater than 2, and setting is primarily to letter in this way
Change the production of electric motor primary, particular number can be selected according to the actual situation, and the present invention is herein with no restrictions.
From the foregoing, it will be observed that in the present embodiment, arc-shaped motor is the equal of the setting of motor secondary 4 by linear motor in annulus
Shape, and being mounted on a swing mechanism 2, to allow motor secondary 4 to do rotary motion, while by the motor of linear motor
Primary 5 do it is in the arc-shaped, when electric motor primary 5 be powered after motor secondary 4 will stress do rotary motion, utilize straight line to reach
The characteristics of motor, carries out the purpose of rotation torque output, improves the torque of motor output.In addition, electric motor primary 5 is by multiple
Primary module 51 concatenates, make entire electric motor primary to manufacture simpler convenience, cost cheaper, therefore this implementation
The circular arc motor of example is equivalent to the advantage for having gathered both linear motor and rotating electric machine.
As shown in figure 5, in the present embodiment, primary module 51 includes：Silicon steel sheet 511, and be wound around on silicon steel sheet 511
Coil 512, the coil of each primary module is sequentially connected in series.In addition, in order to improve the performance of motor, silicon steel sheet in the present embodiment
511, coil 512 passes through vacuum glue pouring equipment sealant pouring and sealing.
In embodiment provided by the invention, in order to make that there is better magnetic induction between electric motor primary 5 and motor secondary 4
Effect, the two coaxial arrangement.In addition, in order to guarantee the magnetic induction effect between motor secondary 4 and electric motor primary 5, and avoid electricity
Collision both when machine works, in the present embodiment, the setting of spacing between motor secondary 4 and electric motor primary 5 0.2mm~
Between 1.5mm.
As shown in Fig. 2, pedestal 1 is a disc structure in embodiment provided by the invention, swing mechanism 2 is a guide rail
Mechanism, the guide rail mechanism include the ring-shaped guide rail 21 for being fixed on disk end face；And it is assemblied in multiple cunnings on ring-shaped guide rail 21
Block 22, these sliding blocks 22 are adapted to ring-shaped guide rail 21, can be slided on ring-shaped guide rail 21.In order to make the production of ring-shaped guide rail 22 more
Convenient, ring-shaped guide rail 22 is spliced by the sub- guide rail of multi-section circular arc shape.In addition, the end face of disk is equipped with and ring-shaped guide rail 21
The annular mounting groove of adaptation can position ring-shaped guide rail by annular mounting groove, keep the installation of ring-shaped guide rail more square
Just, ring especially can be greatly improved by annular groove when ring-shaped guide rail 21 is spliced by the sub- guide rail of multi-section circular arc shape
The splicing speed of shape guide rail 21.It should be understood that swing mechanism 2 can also use in other embodiments provided by the invention
Bearing (such as plain thrust bearing) etc. can do the mechanism or components of rotary motion.
As shown in Figure 1, supporting element is 6 two groups of support plates, wherein one group of support plate in embodiment provided by the invention
61 are mounted on the outside of swing mechanism 2, and the inside of another group of 62 mounting base swing mechanism of support plate can make mounting plate 3 in this way
Installation it is more firm, and then keep the electric motor primary installed on a mounting board more stable.In addition, in the present embodiment, being set to
It include two support plate settings in a certain angle there are two support plate in one group of support plate on the inside of swing mechanism, it in this way can be with
Support plate and swing mechanism is avoided to generate interference while increasing support plate and mounting plate contact area.It should be understood that
In other embodiments provided by the invention, supporting element 6 is also possible to be positioned only at the side of swing mechanism, for example supporting element 6 is
The outside of swing mechanism 2 is arranged in one boss structure.
As shown in figure 4, electric motor primary 5 is installed as with mounting plate 3 in embodiment provided by the invention：Electric motor primary
It is mounted on a stator mounting plate 7, stator mounting plate 7 is bolted on mounting plate 3 so that it is convenient to entire motor production
Sharing out the work and helping one another in the process.In addition, being respectively equipped with corresponding threaded hole and through-hole on stator mounting plate 7 and mounting plate 3, assemble
When only need to be corresponding by the hole location in the two, blending bolt fastening is easy to operate.Further, it is also set on stator mounting plate 7
There is the installation position (such as slot position etc.) being adapted to primary module to facilitate the assembling of electric motor primary 5.
As shown in figure 4, in embodiment provided by the invention, magnetic yoke 41 and the installation relation of swing mechanism 2 are：Magnetic yoke 41
It is fixed on a rotor mounting plate 8, rotor mounting plate 8 is fixed on swing mechanism 2.In addition, in the present embodiment, magnet 42 is logical
It crosses glue and is pasted on 41 surface of magnetic yoke, in order to reduce influence of the glue to entire motor secondary 4, the thickness of glue is less than or equal to
1mm.In addition, some promotors, such as curing accelerator can also be added in glue in order to improve the adhesive effect of glue
Deng.
In embodiment provided by the invention, the specification of each magnet 42 in magnetic yoke 41 is identical, in the present embodiment, magnetic
41 rectangular-blocklike structure of body, in order to improve the performance of motor, the angle between adjacent two magnet is arranged between 0.1 °~5 °.
In addition, in the present embodiment, the specification of each primary module is also identical, as shown in fig. 6, primary module is isosceles trapezoid shape structure,
Angle between two neighboring primary module is arranged between 2 °~10 °.By carrying out this to magnet and electric motor primary module
The rational design of sample, it is possible to reduce the fluctuation of motor output torque makes motor in low speed rotation, also can guarantee the steady of equipment
Property, guarantee is provided for the low noise and safety of motor.
In order to improve precision, feedback regulation device 9 is additionally provided in circular arc motor, as shown in fig. 7, provided by the invention
In embodiment, which includes：Grating scale 91, reading head 92 and driver (are not shown in the figure, in this implementation
Driver is fixed on pedestal 1 in example).Wherein, grating scale 91 be arranged on swing mechanism 2, so as to motor secondary 4 together
Around the central axes of swing mechanism 2 rotate (in the present embodiment, grating scale 91 is pasted on mover mounting plate 8)；Reading head 92 is logical
It crosses fixing piece 93 to be arranged on pedestal 1, reading head 92 and grating scale 91 are opposite, for reading the grating information of grating scale 91；It drives
Dynamic device and reading head 92 are electrically connected, the read grating information of available reading head 92, and then control the fortune of circular arc motor
Row.
The present invention also provides a kind of Medical Devices, which has used the circular arc motor of any of the above-described embodiment,
Component to be driven can be set on swing mechanism 2, when 4 stress of motor secondary drive swing mechanism rotation when, can drive to
Driving part rotates together, and the requirement of Medical Devices large torque rotation driving not only may be implemented, also reduce entire medical treatment and set
Standby cost.The Medical Devices can be CT (Computed Tomography) machine etc., when Medical Devices are CT machine, wait drive
Dynamic component is the hospital bed of CT machine.In the present embodiment simultaneously, in order to further decrease the cost of the Medical Devices, circular arc motor
Pedestal 1, mounting plate 3 etc. can be directly a part of some component on Medical Devices, i.e. swing mechanism, electric motor primary, motor
Secondary can be directly anchored to form a circular arc motor on Medical Devices.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of circular arc motor, which is characterized in that including：
Pedestal；
Swing mechanism, the swing mechanism are fixed on the pedestal；
Mounting plate, the mounting plate are mounted on the pedestal by supporting element；
Motor secondary, the motor secondary are mounted on the swing mechanism, to rotate around the central axes of the swing mechanism；
Electric motor primary, the electric motor primary are arc-shaped, and are fixed on the mounting plate, and phase opposite with the motor secondary
Away from certain distance；
Wherein, the motor secondary includes：
Magnetic yoke, the magnetic yoke is annular in shape, is mounted on the swing mechanism；
Even number magnet, the even number magnet are uniformly arranged in the magnetic yoke around the central axes, and adjacent two magnet it
Between polarity it is different；
The electric motor primary includes：M primary module, the M primary module are uniformly arranged on the peace around the central axes
In loading board, and each primary module is sequentially connected in series, M >=2.
2. circular arc motor according to claim 1, which is characterized in that the primary module includes：Silicon steel sheet and winding
The coil of coil on the silicon steel sheet, each primary module is sequentially connected in series.
3. circular arc motor according to claim 1, which is characterized in that the circular arc motor further includes：
Grating scale, the grating scale are arranged on the swing mechanism, can rotate together with the motor secondary；
Reading head, the reading head is arranged on the pedestal by fixing piece, for reading the grating information of grating scale；
Driver, the driver and the reading head are electrically connected, and to obtain the grating information, and then control the circular arc
The operation of motor.
4. circular arc motor according to claim 1, which is characterized in that the swing mechanism is in guide rail mechanism or bearing
Any one.
5. circular arc motor according to claim 4, which is characterized in that the guide rail mechanism includes：
Guide rail, the guide rail are fixed on the pedestal, and the guide rail is spliced by the sub- guide rail of multi-section circular arc shape；
Sliding block, the sliding block are mounted on the guide rail, can be slided on the guide rail, the magnetic yoke is fixed on the sliding block
On.
6. circular arc motor according to claim 1, which is characterized in that between the motor secondary and the electric motor primary
Spacing is 0.2mm~1.5mm.
7. circular arc motor according to claim 1, which is characterized in that the angle between the two neighboring magnet is 0.1 °
~5 °.
8. circular arc motor according to claim 7, which is characterized in that the angle between the two neighboring primary module is
2 °~10 °.
9. circular arc motor according to claim 1, which is characterized in that the magnet is pasted on the magnetic yoke table by glue
Face, and the glue thickness is less than or equal to 1mm.
10. a kind of Medical Devices, which is characterized in that the Medical Devices include round as claimed in any one of claims 1 to 9 wherein
Arc motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030308.5A CN108900066A (en) | 2018-09-05 | 2018-09-05 | Circular arc motor and Medical Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030308.5A CN108900066A (en) | 2018-09-05 | 2018-09-05 | Circular arc motor and Medical Devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108900066A true CN108900066A (en) | 2018-11-27 |
Family
ID=64358911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811030308.5A Pending CN108900066A (en) | 2018-09-05 | 2018-09-05 | Circular arc motor and Medical Devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108900066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922625A (en) * | 2021-09-15 | 2022-01-11 | 中国人民解放军海军工程大学 | Long primary permanent magnet synchronous motor with annular structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473992A (en) * | 1993-06-08 | 1995-12-12 | Nippon Thompson Co., Ltd. | Braking apparatus and a drive unit equipped with said apparatus and a linear motor |
| CN101401284A (en) * | 2006-03-22 | 2009-04-01 | 西门子公司 | Electrical machine, in particular a generator |
| CN203951347U (en) * | 2014-05-30 | 2014-11-19 | 广州市昊志机电股份有限公司 | Orthoscopic electric rotating machine |
| CN207098917U (en) * | 2017-09-06 | 2018-03-13 | 厦门理工学院 | A kind of linear electric machine mechanism with arc-shaped guide rail |
| CN108365732A (en) * | 2018-05-16 | 2018-08-03 | 苏州大学 | High Precision Linear Motor annular process units |
| CN108400661A (en) * | 2018-01-04 | 2018-08-14 | 苏州泰科贝尔直驱电机有限公司 | A kind of annular direct driving motor |
-
2018
- 2018-09-05 CN CN201811030308.5A patent/CN108900066A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473992A (en) * | 1993-06-08 | 1995-12-12 | Nippon Thompson Co., Ltd. | Braking apparatus and a drive unit equipped with said apparatus and a linear motor |
| CN101401284A (en) * | 2006-03-22 | 2009-04-01 | 西门子公司 | Electrical machine, in particular a generator |
| CN203951347U (en) * | 2014-05-30 | 2014-11-19 | 广州市昊志机电股份有限公司 | Orthoscopic electric rotating machine |
| CN207098917U (en) * | 2017-09-06 | 2018-03-13 | 厦门理工学院 | A kind of linear electric machine mechanism with arc-shaped guide rail |
| CN108400661A (en) * | 2018-01-04 | 2018-08-14 | 苏州泰科贝尔直驱电机有限公司 | A kind of annular direct driving motor |
| CN108365732A (en) * | 2018-05-16 | 2018-08-03 | 苏州大学 | High Precision Linear Motor annular process units |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922625A (en) * | 2021-09-15 | 2022-01-11 | 中国人民解放军海军工程大学 | Long primary permanent magnet synchronous motor with annular structure |
| CN113922625B (en) * | 2021-09-15 | 2022-09-09 | 中国人民解放军海军工程大学 | Long primary permanent magnet synchronous motor with annular structure |
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Application publication date: 20181127 |