CN109599993A - A kind of explosion-proof water proof type permanent-magnet alternating current servo motor - Google Patents
A kind of explosion-proof water proof type permanent-magnet alternating current servo motor Download PDFInfo
- Publication number
- CN109599993A CN109599993A CN201811242239.4A CN201811242239A CN109599993A CN 109599993 A CN109599993 A CN 109599993A CN 201811242239 A CN201811242239 A CN 201811242239A CN 109599993 A CN109599993 A CN 109599993A
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- lead
- explosion
- alternating current
- cap assemblies
- end cap
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 31
- 238000000429 assembly Methods 0.000 claims abstract description 31
- 230000005284 excitation Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002350 accommodative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides a kind of explosion-proof water proof type permanent-magnet alternating current servo motors, comprising: the both ends of motor casing, stator, rotor and the front end cap assemblies and rear end cap assemblies that are used to support rotor, the rotor are equipped with first bearing and second bearing；Rotary transformer is equipped at the second bearing, for detecting the position of rotor；The outside of the rotary transformer is equipped with housing.Rotary transformer of the invention uses through pin configuration, so that lead passes sequentially through second threading hole in the threading channel and front end cap assemblies of the first threading hole on the cap assemblies of rear end, motor casing inner wall, and corresponding multiple twin processing is carried out to each lead of rotary transformer at the cap assemblies of front end, interference of the distribution capacity to signals of rotating transformer on lead can be eliminated, the electromagnetic interference capability of rotary transformer is enhanced.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of explosion-proof water proof type permanent-magnet alternating current servo motor.
Background technique
With the progress of industrial technology and the continuous improvement of the degree of automation, more and more fields start gradually using certainly
Control technology and equipment are moved to realize the unattended of remote system.
In petroleum, Natural Gas Pipeline Transportation field, widely used is explosion-proof type induction machine, but induction machine
Volume is big, and speed regulation accuracy is low, the power factor of motor can be made to become because absorbing the reactive power in power grid when especially low speed is run
Difference can no longer meet the miniaturization of current system volume, revolving speed controls quality requirements with high accuracy.
Permanent-magnet alternating current servo motor is with small in size, power factor is high, rotor loss is small, fever is low, controllability is good, speed regulation
Many advantages, such as range is wide, work efficiency is high and the mechanical property of approximately linear, gradually substitutes in motor application field
Other kinds of motor, is more and more widely used.However, existing permanent-magnet alternating current servo motor electromagnetism interference energy
Power, flame proof, sealability are weaker, are unable to satisfy petroleum, Natural Gas Pipeline Transportation field.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of explosion-proof water proof type permanent magnet ACs
Servo motor solves the weaker technology of existing permanent-magnet alternating current servo motor anti-electromagnetic interference capability, flame proof, sealability and asks
Topic.
In order to solve the above-mentioned technical problem, the application, which adopts the following technical scheme that, is achieved:
A kind of explosion-proof water proof type permanent-magnet alternating current servo motor, comprising: motor casing, stator, rotor and be used to support rotor
Front end cap assemblies and rear end cap assemblies, the both ends of the rotor are equipped with first bearing and second bearing；
Rotary transformer is equipped at the second bearing, for detecting the position of rotor；The outside of the rotary transformer
Equipped with housing.
Further, the rotary transformer includes a plurality of leads, is provided with the first threading on the cap assemblies of rear end
Second threading hole in hole, the threading channel that motor casing inner wall is arranged in and front end cap assemblies successively constitutes lead channels, rear end cap
The first threading hole on component is lead channels entrance, and the second threading hole of front end cap assemblies is lead channels outlet, described more
Bar lead passes through and carries out multiple twin in lead channels exit after lead channels.
Further, a plurality of leads includes that excitation lead, sinusoidal lead and cosine lead, the excitation lead include
The positive lead of excitation and excitation negative lead, the sine lead include sinusoidal positive lead and sinusoidal negative lead, the cosine lead packet
The positive lead of cosine and cosine negative lead are included, wherein the positive lead of excitation and excitation negative lead carry out multiple twin, sinusoidal positive lead and sine
Negative lead carries out multiple twin, and the positive lead of cosine and cosine negative lead carry out multiple twin.
Further, a plurality of leads carries out encapsulating processing in lead channels exit.
Further, in the lead channels exit, excitation lead, sinusoidal lead and cosine lead are carried out at isolation
Reason.
Further, the permanent-magnet alternating current servo motor is the score slot structure of 10 pole, 12 slot.
Further, oil-sealing arrangement is equipped at the housing.
Compared with prior art, the present invention beneficial has the technical effect that
(1) rotary transformer of the invention uses through pin configuration, so that lead passes sequentially through on the cap assemblies of rear end
The first threading hole, motor casing inner wall threading channel and front end cap assemblies the second threading hole, and at the cap assemblies of front end pair
Each lead of rotary transformer carries out corresponding multiple twin processing, can eliminate distribution capacity on lead and do to signals of rotating transformer
It disturbs, enhances the electromagnetic interference capability of rotary transformer；
(2) present invention carries out whole encapsulating processing to motor down-lead and rotary transformer lead at extraction, and in encapsulating
Place carries out isolation processing to excitation lead, sinusoidal lead and cosine lead, meets the requirement of flame proof, sealing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram under one embodiment of the present invention；
Fig. 3 (a) is the structural schematic diagram that channel is threaded in motor casing；Fig. 3 (b) is the diagrammatic cross-section of Fig. 3 (a)；
Fig. 4 (a) is the structural schematic diagram in lead channels exit；Fig. 4 (b) is the diagrammatic cross-section of Fig. 4 (a)；
Figure label represents are as follows: 1-front end cap assemblies；2-first bearings；3-stators；4-rotors；5-second bearings；
6-rear end cap assemblies；7-rotary transformers；8-housings；9-oil-sealing arrangements；10-the first threading hole；11-threading channels；
12-the second threading hole；13-leads；14-lead sets；15-epoxide-resin glues；16-motor casings.
Explanation is further explained in detail to particular content of the invention below in conjunction with drawings and examples.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment 1:
The present embodiment provides a kind of explosion-proof water proof type permanent-magnet alternating current servo motor, as shown in Figure 1, comprising: motor casing 16 is determined
The both ends of son 3, rotor 4 and the front end cap assemblies 1 and rear end cap assemblies 6 that are used to support rotor 4, the rotor 4 are equipped with first
Bearing 2 and second bearing 5；
Rotary transformer 7 is equipped at the second bearing 5, for detecting the position of rotor 4；The rotary transformer 7
Outside is equipped with housing 8.
The front end cap assemblies 1 of motor and rear end cap assemblies 6 provide support for the reliable operating of rotor 4 in the present embodiment, the
The axis of one bearing 2 and second bearing 5 and rotor 4 is interference fitted, and wherein first bearing 2 and second bearing 5 are all made of and can both hold
It can be born the deep groove ball bearing of radial load again by axial load；Rotor 4 is by shaft, magnetic yoke, magnet steel, balance ring and reinforcing sleeve
Composition, magnet steel use high performance rare earth magnetic steel, by optimization structure and pole embrace, make its magnetic field in air gap in sine
Wave is conducive to reduce slot effect, reduces torque ripple.
In addition, the present embodiment is using accommodative ability of environment is strong, temperature resistant range is wide, 7 conduct of rotary transformer of high reliablity
4 position detecting device of rotor；Housing 8 plays the multiple action of protection, sealing protection and support to rotary transformer 7.
Rotary transformer 7 in the present embodiment includes that a plurality of leads 13 is provided on rear end cap assemblies 6 such as Fig. 2
Second threading hole 12 of the first threading hole 10, the threading channel 11 that motor casing inner wall is arranged in and front end cap assemblies 1 is successively constituted
Lead channels, the first threading hole 10 on rear end cap assemblies 6 are lead channels entrance, the second threading hole 12 of front end cap assemblies 1
For lead channels outlet, a plurality of leads 13 carries out multiple twin in lead channels exit after lead channels.
Wherein, a plurality of leads 13 includes excitation lead, sinusoidal lead and cosine lead, the excitation lead include excitation just
Lead and excitation negative lead, the sine lead include sinusoidal positive lead and sinusoidal negative lead, and the cosine lead includes cosine
Positive lead and cosine negative lead, wherein the positive lead of excitation and excitation negative lead carry out multiple twin, sinusoidal positive lead and sinusoidal negative lead
Multiple twin is carried out, the positive lead of cosine and cosine negative lead carry out multiple twin.
In this way, rotary transformer 7 uses the through pin configuration of through lead, lead 13 passes sequentially through rear end cap assemblies
Second threading hole 10 in the threading channel 11 and front end cap assemblies 1 of 6 the first threading hole 10,16 inner wall of motor casing, and in front end
Multiple twin processing is carried out to each lead of rotary transformer 7 at cap assemblies 1, wherein the positive lead of excitation and excitation negative lead multiple twin are one
It rises, for sinusoidal positive lead together with sinusoidal negative lead multiple twin, the positive lead of cosine passes through lead together with cosine negative lead multiple twin
Multiple twin come eliminate the distribution capacity on lead to rotation varying signal interference, enhancing rotation become electromagnetic interference capability.As Fig. 3 (a),
(b) be the structural schematic diagram that channel 16 is threaded in motor casing 16, wherein threading channel 16 be it is multiple, around being distributed in motor casing
On wall.
A plurality of leads 13 carries out encapsulating processing in lead channels exit.Motor down-lead and rotary transformer lead are being drawn
Line passage exit carries out encapsulating processing, and carries out isolation processing to excitation lead, sinusoidal lead and cosine lead at encapsulating,
Meet the requirement of flame proof, sealing.
In the lead channels exit, isolation processing is carried out to excitation lead, sinusoidal lead and cosine lead.
If Fig. 4 (a) is schematic diagram of the lead after lead channels exit carries out encapsulating, the present embodiment uses epoxy resin
Glue carries out encapsulating, and lead needs to be fixed by lead set first before encapsulating, then carries out encapsulating, can make lead in this way
Between be isolated, Fig. 4 (b) be lead lead channels exit carry out encapsulating after diagrammatic cross-section.
Permanent-magnet alternating current servo motor in the present embodiment is the score slot structure of 10 pole, 12 slot, and motor is made to have winding coefficient
Height, counter potential waveform sine degree is good, location torque is small, the characteristic without unilateral magnetic force, reduces the cogging torque of motor, improves
Low speed traveling comfort, improves the control precision of motor.
Oil-sealing arrangement 9 is equipped in the present embodiment at housing 8, dynamic sealing has been carried out to motor, the static seal of motor uses
The measure for exempting from flat gasket glue is coated in the face that is fitted to each other.
Claims (7)
1. a kind of explosion-proof water proof type permanent-magnet alternating current servo motor characterized by comprising motor casing (16), stator (3), rotor
(4) the front end cap assemblies (1) and rear end cap assemblies (6) of rotor (4) are used to support and, the both ends of the rotor (4) are equipped with the
One bearing (2) and second bearing (5)；
Rotary transformer (7) are equipped at the second bearing (5), for detecting the position of rotor (4)；The rotary transformer
(7) outside is equipped with housing (8).
2. explosion-proof water proof type permanent-magnet alternating current servo motor according to claim 1, which is characterized in that the rotary transformer
(7) include a plurality of leads (13), be provided with the first threading hole (10) on rear end cap assemblies (6), be arranged in motor casing
(16) the threading channel (11) of inner wall and the second threading hole (12) of front end cap assemblies (1) successively constitute lead channels, rear end cap
The first threading hole (10) on component (6) is lead channels entrance, and the second threading hole (12) of front end cap assemblies (1) is logical for lead
Road outlet, a plurality of leads (13) carry out multiple twin in lead channels exit after lead channels.
3. explosion-proof water proof type permanent-magnet alternating current servo motor according to claim 2, which is characterized in that a plurality of leads
It (13) include excitation lead, sinusoidal lead and cosine lead, the excitation lead include the positive lead of excitation and excitation negative lead, institute
Stating sinusoidal lead includes sinusoidal positive lead and sinusoidal negative lead, and the cosine lead includes the positive lead of cosine and cosine negative lead,
Wherein the positive lead of excitation and excitation negative lead carry out multiple twin, and sinusoidal positive lead and sinusoidal negative lead carry out multiple twin, the positive lead of cosine
Multiple twin is carried out with cosine negative lead.
4. explosion-proof water proof type permanent-magnet alternating current servo motor according to claim 3, which is characterized in that a plurality of leads
(13) encapsulating processing is carried out in lead channels exit.
5. explosion-proof water proof type permanent-magnet alternating current servo motor according to claim 4, which is characterized in that in the lead channels
Exit carries out isolation processing to excitation lead, sinusoidal lead and cosine lead.
6. explosion-proof water proof type permanent-magnet alternating current servo motor according to claim 1, which is characterized in that the permanent magnet AC is watched
Take the score slot structure that motor is 10 pole, 12 slot.
7. explosion-proof water proof type permanent-magnet alternating current servo motor according to claim 1, which is characterized in that at the housing (8)
Equipped with oil-sealing arrangement (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242239.4A CN109599993B (en) | 2018-10-24 | 2018-10-24 | Explosion-proof and waterproof permanent magnet alternating current servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242239.4A CN109599993B (en) | 2018-10-24 | 2018-10-24 | Explosion-proof and waterproof permanent magnet alternating current servo motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109599993A true CN109599993A (en) | 2019-04-09 |
| CN109599993B CN109599993B (en) | 2020-02-28 |
Family
ID=65958130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811242239.4A Active CN109599993B (en) | 2018-10-24 | 2018-10-24 | Explosion-proof and waterproof permanent magnet alternating current servo motor |
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| Country | Link |
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| CN (1) | CN109599993B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784026A (en) * | 2019-10-22 | 2020-02-11 | 西安航天动力测控技术研究所 | Split-charging submersible motor capable of generating power for operation |
| CN111585400A (en) * | 2020-06-24 | 2020-08-25 | Abb瑞士股份有限公司 | Servo motor and assembling method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614593A (en) * | 1970-05-06 | 1971-10-19 | Motorola Inc | Rotary transformer for alternator |
| CN2428911Y (en) * | 2000-06-12 | 2001-05-02 | 朱向东 | Long-service-life multi-model type permanent magnet brushless servo electric motor |
| CN108054893A (en) * | 2017-11-30 | 2018-05-18 | 上海航天控制技术研究所 | A kind of permanent magnet synchronous servo motor structure of Curve guide impeller |
| CN207705934U (en) * | 2017-11-27 | 2018-08-07 | 中钢集团安徽天源科技股份有限公司 | A kind of novel electric vehicle waterproof permanent magnetic synchronous motor |
-
2018
- 2018-10-24 CN CN201811242239.4A patent/CN109599993B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614593A (en) * | 1970-05-06 | 1971-10-19 | Motorola Inc | Rotary transformer for alternator |
| CN2428911Y (en) * | 2000-06-12 | 2001-05-02 | 朱向东 | Long-service-life multi-model type permanent magnet brushless servo electric motor |
| CN207705934U (en) * | 2017-11-27 | 2018-08-07 | 中钢集团安徽天源科技股份有限公司 | A kind of novel electric vehicle waterproof permanent magnetic synchronous motor |
| CN108054893A (en) * | 2017-11-30 | 2018-05-18 | 上海航天控制技术研究所 | A kind of permanent magnet synchronous servo motor structure of Curve guide impeller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784026A (en) * | 2019-10-22 | 2020-02-11 | 西安航天动力测控技术研究所 | Split-charging submersible motor capable of generating power for operation |
| CN111585400A (en) * | 2020-06-24 | 2020-08-25 | Abb瑞士股份有限公司 | Servo motor and assembling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109599993B (en) | 2020-02-28 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231009 Address after: 100000 22 Chaoyangmen North Street, Chaoyang District, Beijing. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: XI'AN AEROSPACE PROPULSION INSTITUTE Address before: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: XI'AN AEROSPACE PROPULSION INSTITUTE |
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