CN104868693B - Composite excitation formula brake with speed measuring function - Google Patents
Composite excitation formula brake with speed measuring function Download PDFInfo
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- CN104868693B CN104868693B CN201510265553.4A CN201510265553A CN104868693B CN 104868693 B CN104868693 B CN 104868693B CN 201510265553 A CN201510265553 A CN 201510265553A CN 104868693 B CN104868693 B CN 104868693B
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- rotor
- brake
- stators
- speed measuring
- measuring function
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- 230000005284 excitation Effects 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 22
- 210000000515 tooth Anatomy 0.000 description 22
- 210000003781 tooth socket Anatomy 0.000 description 19
- 230000005389 magnetism Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
Composite excitation formula brake with speed measuring function.The present invention relates to a kind of composite excitation formula brake with speed measuring function.Frictional disk use will necessarily reduce the service life of brake, thus cause braking fail, influence surrounding devices using safe.Coaxial rotor is provided on the motor output shaft, the rotor lateral surface connects two pieces of permanent magnetic steels, the rotor is arranged in two stator interiors, and rotor and two stators are coaxially disposed, two stators and two pieces of permanent magnetic steels correspond, the ring-shape field coil being wound in toroid coil is provided between two stators, and the ring-shape field coil coiling direction and the motor output shaft it is axially perpendicular, two stators and the ring-shape field coil are arranged in motor casing, working gas gap is radially provided on the motor casing, the side of the motor casing and rear lid case dismantling connection.The present invention is used for composite excitation formula brake.
Description
Technical field
The present invention relates to a kind of composite excitation formula brake with speed measuring function.
Background technique
In current industrial automation system, brake has been applied in each corner in industry, such as space flight mechanical arm
Posture keep, vehicle tyre braking device, elevator brake etc.；Common brake now is mostly electrical excitation structure, they
Working principle use mostly mechanical spring compress armature, braking moment is generated by the effect of armature and frictional disk.Friction
Disk use will necessarily reduce the service life of brake, thus cause braking fail, influence surrounding devices using safe.Together
When for electrical excitation structure brake, to obtain biggish braking moment, the electricity that must just increase electromagnetic brake is negative
Lotus causes the waste of the energy so that the copper loss of brake increases.In addition, existing brake is in non-braking state not
With speed measuring function, the revolving speed of motor can not be measured.
Summary of the invention
The object of the present invention is to provide the braking moments that one kind can not only improve existing electromagnetic brake, while non-
The composite excitation formula brake with speed measuring function that coaxial motor tests the speed can also be carried out under on-position.
Above-mentioned purpose is realized by following technical scheme:
A kind of composite excitation formula brake with speed measuring function, composition includes: permanent magnetic steel 7, ring-shape field coil
1, two stators 2, rotor 3, motor output shaft 4 are provided with coaxial rotor 3 on the motor output shaft 4, described
3 lateral surface of rotor connects two pieces of permanent magnetic steels 7, and the rotor 3 is arranged inside two stators 2, and rotor 3 and two stators
2 coaxial arrangements, two stators 2 and two pieces of permanent magnetic steels 7 correspond, and are provided between two stators 2 and are wound on ring
Ring-shape field coil 1 on shape bobbin, and the coiling direction of the ring-shape field coil 1 and the motor output shaft 4
Axial perpendicular, two stators 2 and the ring-shape field coil 1 are arranged in motor casing 5, the electricity
Working gas gap 8 is radially provided on motivation casing 5, side and the rear lid case 6 of the motor casing 5 are detachably connected.
The composite excitation formula brake with speed measuring function, on the inner peripheral surface of the stator 2 and rotor 3
Outer circumference surface on be respectively uniformly distributed and be provided with multiple tooth sockets, between each adjacent two tooth socket on the inner peripheral surface of stator 2
Part be stator tooth, the part between each adjacent two tooth socket on the outer circumference surface of rotor 3 is rotor tooth, the stator
The width of 2 each tooth socket is equal, and the width of each tooth socket of the rotor 3 is also equal, more on the inner peripheral surface of stator 2
A tooth socket is arranged in a one-to-one correspondence with multiple tooth sockets on the outer circumference surface of rotor 3.
The composite excitation formula brake with speed measuring function, permanent magnetic steel 7 described in two pieces is arranged in described
On a pair of of tooth of the same axis of rotor 3.
The composite excitation formula brake with speed measuring function, permanent magnetic steel 7 described in every piece are arranged in described
On multiple tooth sockets of rotor 3, or it is arranged on multiple rotor tooths of rotor 3.
The composite excitation formula brake with speed measuring function, the permanent magnetic steel 7 are horizontally installed on rotor tooth
Tooth tip.
The composite excitation formula brake with speed measuring function, the permanent magnetic steel 7 are vertically provided at rotor tooth
On.
The composite excitation formula brake with speed measuring function, the permanent magnetic steel 7, which is horizontally installed on two, to be determined
On tooth root top between sub- tooth.
The composite excitation formula brake with speed measuring function, the permanent magnetic steel 7 are arranged in two rotor tooths
Between tooth root on.
The utility model has the advantages that
1. being provided with a pair of of permanent magnet on brake rotor of the invention, permanent magnetism is increased on the basis of electrical excitation and is encouraged
Magnetic.The introducing of permanent magnet can increase the output torque of brake.
2. when the winding no power of brake of the invention, since brake is connected with electric machine main shaft, when motor rotation,
It can produce single-phase induced potential, in the winding of brake so as to measure the revolving speed of motor.
3. the structure of motor of the invention is simple, easy to control, high reliablity.
Detailed description of the invention:
Attached drawing 1 is structural schematic diagram of the invention.
Attached drawing 2 is the right view of attached drawing 1.
Attached drawing 3 is the left view of attached drawing 1.
Attached drawing 4 is the placement schematic diagram that permanent magnetic steel is horizontally installed on rotor tooth.
Attached drawing 5 is the placement schematic diagram that permanent magnetic steel is vertically provided on rotor tooth.
Attached drawing 6 is the placement schematic diagram that permanent magnetic steel is horizontally installed between two stators.
Attached drawing 7 is the placement schematic diagram that permanent magnetic steel is arranged between two rotors.
Specific embodiment:
Embodiment 1
Illustrate in conjunction with attached drawing 1,3, a kind of composite excitation formula brake with speed measuring function, composition includes: permanent-magnet magnetic
Steel 7, ring-shape field coil 1, two stator 2, rotor 3, motor output shaft 4 are provided on the motor output shaft 4 same with it
The rotor 3 of axis, 3 lateral surface of rotor connect two pieces of permanent magnetic steels 7, and the rotor 3 is arranged inside two stators 2,
And rotor 3 and two stators 2 are coaxially disposed, two stators 2 and two pieces of permanent magnetic steels 7 correspond, two stators 2
Between be provided with the ring-shape field coil 1 being wound in toroid coil, and the coiling direction of the ring-shape field coil 1 with
The motor output shaft 4 is axial perpendicular, and two stators 2 are arranged at electronic with the ring-shape field coil 1
In machine casing 5, working gas gap 8 is radially provided on the motor casing 5, the side of the motor casing 5 is with after
Lid shell 6 is detachably connected.
Embodiment 2
Illustrate in conjunction with attached drawing 2, the composite excitation formula brake described in embodiment 1 with speed measuring function, the stator 2
Inner peripheral surface on and the outer circumference surface of rotor 3 on be respectively uniformly distributed and be provided with multiple tooth sockets, on the inner peripheral surface of stator 2
Each adjacent two tooth socket between part be stator tooth, the portion between each adjacent two tooth socket on the outer circumference surface of rotor 3
It is divided into rotor tooth, the width of each tooth socket of the stator 2 is equal, and the width of each tooth socket of the rotor 3 is also equal,
Multiple tooth sockets on the inner peripheral surface of stator 2 are arranged in a one-to-one correspondence with multiple tooth sockets on the outer circumference surface of rotor 3.
Embodiment 3
Illustrate in conjunction with attached drawing 2, the composite excitation formula brake described in embodiment 1 with speed measuring function, described in two pieces
Permanent magnetic steel 7 is arranged on a pair of of tooth of the same axis of the rotor 3.
Embodiment 4
Illustrate in conjunction with attached drawing 2, the composite excitation formula brake described in embodiment 1 with speed measuring function, described in every piece
Permanent magnetic steel 7 is arranged on multiple tooth sockets of the rotor 3, or is arranged on multiple rotor tooths of rotor 3.
Embodiment 5
Illustrate in conjunction with attached drawing 4, the composite excitation formula brake described in embodiment 1 with speed measuring function, the permanent magnetism
Magnet steel 7 is horizontally installed on the tooth tip of rotor tooth.
Embodiment 6
Illustrate in conjunction with attached drawing 5, the composite excitation formula brake described in embodiment 1 with speed measuring function, the permanent magnetism
Magnet steel 7 is vertically provided on rotor tooth.
Embodiment 7
Illustrate in conjunction with attached drawing 6, the composite excitation formula brake described in embodiment 1 with speed measuring function, the permanent magnetism
Magnet steel 7 is horizontally installed on the tooth root top between two stator tooths.
Embodiment 8
Illustrate in conjunction with attached drawing 7, the composite excitation formula brake described in embodiment 1 with speed measuring function, the permanent magnetism
Magnet steel 7 is arranged on the tooth root between two rotor tooths.
Along the axial direction of brake, the annular hollow structure in rotor axial direction middle section is provided with Circular Winding coil,
The coiling direction of coil with it is axially vertical.Must be identical with the number of rotor tooth socket for stator, brake design of the present invention
Tooth socket number is 16, can also change the number of rotor circumferencial direction tooth socket according to actual design requirement.Ring-shape field coil
Step mode be direct current.Stator, rotor, permanent magnetic steel and the Circular Winding coil of brake are coaxial arrangement.The present invention
The principle for generating braking moment uses composite excitation formula, can greatly improve the power output of brake, at the same increase it is a kind of other
The new function that brake does not have can carry out coaxial motor speed measuring function in non-braking state.
When brake winding is passed through direct current, magnetomotive force is generated in the stator and is interacted with permanent magnetic potential, magnetic
Stator yoke, stator tooth, working gas gap, rotor tooth and the rotor yoke that the line of force passes through brake side first are determined by the other side
The positions such as rotor tooth, yoke form closed circuit.The present invention is and to keep tooth so that the rotor number of teeth of brake is equal to 16 as an example
Wide and groove width is identical, may be designed in other numbers of teeth equally to meet requirement of the different occasions for torque range.
The working principle of the invention: due to the presence of rotor slot effect, the change rate of air-gap permeance is uneven, around
It can produce braking moment, the i.e. braking moment of brake under the action of group magnetomotive force and permanent magnetism magnetomotive force.When brake powers off,
Since its rotor is connected with motor coaxle, both the waveform of induced potential can be measured at the Circular Winding end of brake at this time, from
And learn motor speed.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510265553.4A CN104868693B (en) | 2015-05-23 | 2015-05-23 | Composite excitation formula brake with speed measuring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510265553.4A CN104868693B (en) | 2015-05-23 | 2015-05-23 | Composite excitation formula brake with speed measuring function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104868693A CN104868693A (en) | 2015-08-26 |
| CN104868693B true CN104868693B (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510265553.4A Active CN104868693B (en) | 2015-05-23 | 2015-05-23 | Composite excitation formula brake with speed measuring function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212721A (en) * | 2019-05-17 | 2019-09-06 | 中国科学院上海技术物理研究所 | A kind of combined electrical Magnetic locking device structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107846Y (en) * | 2007-07-04 | 2008-08-27 | 刘新广 | Brake type magnetic clutch |
| CN202978499U (en) * | 2012-11-01 | 2013-06-05 | 贵州航天林泉电机有限公司 | Circumferentially fixing structure of high power permanent-magnet motor stator |
| CN104578684A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Electromagnetic liquid cooling decelerator adopting outer rotor structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6148967A (en) * | 1998-07-10 | 2000-11-21 | Alliedsignal Inc. | Non-contacting and torquer brake mechanism |
| CN104578686A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Double-stator electromagnetic liquid-cooled retarder |
-
2015
- 2015-05-23 CN CN201510265553.4A patent/CN104868693B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107846Y (en) * | 2007-07-04 | 2008-08-27 | 刘新广 | Brake type magnetic clutch |
| CN202978499U (en) * | 2012-11-01 | 2013-06-05 | 贵州航天林泉电机有限公司 | Circumferentially fixing structure of high power permanent-magnet motor stator |
| CN104578684A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Electromagnetic liquid cooling decelerator adopting outer rotor structure |
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| Publication number | Publication date |
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| CN104868693A (en) | 2015-08-26 |
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