CN110247518A - Servo motor and smart machine - Google Patents
Servo motor and smart machine Download PDFInfo
- Publication number
- CN110247518A CN110247518A CN201910503151.1A CN201910503151A CN110247518A CN 110247518 A CN110247518 A CN 110247518A CN 201910503151 A CN201910503151 A CN 201910503151A CN 110247518 A CN110247518 A CN 110247518A
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- CN
- China
- Prior art keywords
- end cap
- rear end
- casing
- servo motor
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H02K11/22—Optical devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The application provides a kind of servo motor and smart machine.The servo motor includes casing (1), rear end cap (2), brake (3) and encoder (4), rear end cap (2) is connected on casing (1), brake (3) is arranged in casing (1) or rear end cap, encoder (4) setting is provided with the first insulating unit (5) in the one end of rear end cap (2) far from brake (3) between casing (1) and rear end cap (2)；And/or the second insulating unit (6) are provided between brake (3) and rear end cap (2).According to the servo motor of the application, the heat that motor is transferred to encoder is can reduce or reduced, improve the operational reliability of encoder and motor.
Description
Technical field
The application belongs to technical field of motors, and in particular to a kind of servo motor and smart machine.
Background technique
The element that servo motor carries out position feedback is generally rotary transformer, photoelectric encoder, magnetism encoder, most often
For photoelectric encoder (incremental optical-electricity encoder and absolute value formula photoelectric encoder).
Photoelectric encoder is very big since its internal photosensitive light-sensitive element is influenced by temperature, if the temperature of use environment
Excessively high, light-sensitive element failure or mistake will make it malfunction servo motor rotor position feedback, cause encoder abnormal,
Motor is set to generate " driving " or hypervelocity phenomenon.
The temperature that existing encoder can generally be run reliably and with long-term is 85~95 DEG C, the general use environment temperature of servo motor
It is 0~40 DEG C, then the temperature rise that encoder allows is 45K~55K；And the temperature rise of the winding of motor be 80K~105K, difference compared with
Greatly.Therefore, when motor works, motor side heat can be transmitted to coder side, heat, cause to environment where encoder
Environment temperature increases where encoder, when temperature is heated to a certain range, will lead to encoder operational failure, influences motor
Operational reliability.
Summary of the invention
Therefore, the application technical problems to be solved are to provide a kind of servo motor and smart machine, can reduce or
Person reduces the heat that motor is transferred to encoder, improves the operational reliability of encoder and motor.
To solve the above-mentioned problems, the application provides a kind of servo motor, including casing, rear end cap, brake and coding
Device, rear end cap are connected on casing, and brake is arranged in casing, and the one end of rear end cap far from brake is arranged in encoder,
The first insulating unit is provided between casing and rear end cap；And/or the second heat-insulated list is provided between brake and rear end cap
Member.
Preferably, the first insulating unit is annular element, and annular element is connected between rear end cap and casing, and by rear end cap and
Casing is spaced apart completely.
Preferably, the unilateral longitudal section of the first insulating unit is T-shaped.
Preferably, the first insulating unit includes "-" type bottom wall and the protruding portion that is connected on "-" type bottom wall, protruding portion
It is arranged between rear end cap and casing, "-" type bottom wall is sticked on the internal perisporium of rear end cap and casing.
Preferably, the side of rear end cap towards casing is provided with stepped groove, and the side of "-" type bottom wall is embedded in stepped groove.
Preferably, the second insulating unit is annular element, and annular element is arranged between rear end cap and brake, and by rear end cap
It is spaced apart completely with brake.
Preferably, the unilateral longitudal section of the second insulating unit is L shape.
Preferably, the second insulating unit includes long leg and short leg, and the end of rear end cap and brake is arranged in long leg
Between face, short leg is arranged between rear end cap and the side wall of brake.
Preferably, rear end cap is provided with thermal insulation board close to one end of encoder.
Preferably, radiating ribs are provided on rear end cap.
Preferably, radiating ribs are provided on the periphery wall of casing.
Preferably, radiating ribs extending radially outwardly along casing.
Preferably, radiating ribs are in comb teeth-shaped.
According to an embodiment of the present application, smart machine includes servo motor, which is above-mentioned servo motor.
Servo motor provided by the present application, including casing, rear end cap, brake and encoder, rear end cap are connected to casing
On, brake is arranged in casing, and the one end of rear end cap far from brake is arranged in encoder, is arranged between casing and rear end cap
There is the first insulating unit；And/or the second insulating unit is provided between brake and rear end cap.The servo motor casing with
The first insulating unit is provided between rear end cap, and/or, the second insulating unit is provided between brake and rear end cap, it can
To reduce or reduce the heat that casing is transferred to rear end cap by the first insulating unit, reduces or subtract by the second insulating unit
Few brake is transferred to the heat of rear end cap, to effectively reduce the heat radiation and heat transmitting of the lateral coder side of motor, makes
The heat that motor generates at work transmits outward in motor body, reduces the temperature rise of coder side use environment, guarantees to watch
The steady operation of motor in the process of running is taken, encoder working life is increased, improves the reliability of encoder and motor entirety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the servo motor of the embodiment of the present application；
Fig. 2 is the structural schematic diagram of the radiating ribs of the servo motor of the embodiment of the present application.
Appended drawing reference indicates are as follows:
1, casing；2, rear end cap；3, brake；4, encoder；5, the first insulating unit；6, the second insulating unit；7, rank
Terraced slot；8, radiating ribs；9, stator module；10, rotor assembly；11, drive end bearing bracket.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 2, according to an embodiment of the present application, servo motor includes casing 1, rear end cap 2, system
Dynamic device 3 and encoder 4, rear end cap 2 are connected on casing 1, and brake 3 is arranged in casing 1, and encoder 4 is arranged in rear end cap 2
One end far from brake 3, is provided with the first insulating unit 5 between casing 1 and rear end cap 2；And/or brake 3 and rear end cap
The second insulating unit 6 is provided between 2.
The servo motor is provided with the first insulating unit 5 between casing 1 and rear end cap 2, and/or, in brake 3 with after
It is provided with the second insulating unit 6 between end cap 2, can reduce or reduce casing 1 by the first insulating unit 5 and be transferred to rear end cap
2 heat is reduced or is reduced by the second insulating unit 6 brake 3 and be transferred to the heat of rear end cap 2, to be effectively reduced
The heat radiation and heat transmitting of motor lateral coder side, the heat for generating motor at work is in motor body to unofficial biography
It passs, reduces the temperature rise of coder side use environment, guarantee the steady operation of servo motor in the process of running, increase encoder work
Make the service life, improves the reliability of encoder and motor entirety.
Simultaneously as the effect of the first insulating unit 5 and/or the second insulating unit 6, effectively reduces motor side and is transferred to
The heat of coder side, therefore even if the temperature rise of motor increases, encoder work actual effect will not be led to, can shorten motor is
It avoids temperature rise from affecting greatly and increased length encoder, reduces motor manufacturing totle drilling cost.
Servo motor further includes drive end bearing bracket 11, and the front end side of casing 1 is arranged in drive end bearing bracket 11, can be welded between casing 1
It is connected together, or is fixed together by other means.
Stator module 9 and rotor assembly 10 are additionally provided in casing 1.Stator module 9 includes stator winding, and stator winding produces
Raw heat transfer is transmitted, the heat a part for reaching casing 1 is passed towards rear end cap 2 to casing 1 then along casing 1
It passs, a part is transmitted towards drive end bearing bracket 11, some directly scatters and disappears from casing 1 into air.It is transmitted towards rear end cap 2
Heat is isolated through the first insulating unit 5, is influenced encoder 4 so as to avoid heat transfer to rear end cap 2 and is worked normally.Towards preceding
The heat that end cap 11 transmits can radiate at drive end bearing bracket 11, therefore can be using the radiating efficiency for improving drive end bearing bracket 11
Mode transmits the heat of casing 1 more towards drive end bearing bracket 11, to reduce the heat for being transferred to rear end cap 2, further
Reduce the heat that casing side is transferred to coder side.
Accelerate the radiating efficiency of drive end bearing bracket 11 mode can there are many, such as on drive end bearing bracket 11 increase radiating ribs, from
And the heat dissipation area of drive end bearing bracket 11 is increased, or increase air-through holes on drive end bearing bracket 11, utilize the rotation of rotor assembly 10
It drives air to accelerate flowing at drive end bearing bracket 11, more fast and effeciently takes away the heat being transferred at drive end bearing bracket 11.
Preferably, servo motor includes simultaneously the first insulating unit 5 and the second insulating unit 6.First insulating unit 5 and
Two insulating units 6 can cooperate, and be thermally shielded to the entire end face of rear end cap 2, thus more efficient and comprehensively avoid
End cap 2 transmits motor side heat backward, and then passes through the problem of rear end cap 2 is transferred to encoder 4.
In the present embodiment, the first insulating unit 5 is annular element, and annular element is connected between rear end cap 2 and casing 1, and
Rear end cap 2 and casing 1 are spaced apart completely.It, can be from the entire circle of casing 1 since the first insulating unit 5 is annular element
It is thermally shielded on week, more fully and effectively separates the heat that casing 1 is transferred to rear end cap 2, play better heat insulation.
Preferably, the unilateral longitudal section of the first insulating unit 5 is T-shaped namely the first insulating unit 5 in casing 1
Mandrel line section in the plane be T-shaped.
First insulating unit 5 includes "-" type bottom wall and the protruding portion being connected on "-" type bottom wall, and protruding portion setting exists
Between rear end cap 2 and casing 1, "-" type bottom wall is sticked on the internal perisporium of rear end cap 2 and casing 1.Carrying out the first heat-insulated list
When the installation of member 5 is fixed, it can use T-shaped annular element and facilitate the installation positioning for realizing the first insulating unit 5, and can be with
More efficiently barrier casing 1 is transferred to the heat of rear end cap 2.
Preferably, the side of rear end cap 2 towards casing 1 is provided with stepped groove 7, and the side of "-" type bottom wall is embedded in stepped groove
In 7, the installation of first insulating unit 5 can be positioned by the stepped groove 7 on rear end cap 2, while it is heat-insulated to increase by first
The contact area of unit 5 and rear end cap 2 increases heat-insulated area, improves heat insulation.
Second insulating unit 6 is annular element, and annular element is arranged between rear end cap 2 and brake 3, and by 2 He of rear end cap
Brake 3 is spaced apart completely.
The unilateral longitudal section of second insulating unit 6 is L shape.The unilateral longitudal section of second insulating unit 6 may be U-shaped.
Preferably, the second insulating unit 6 includes long leg and short leg, and rear end cap 2 and brake 3 is arranged in long leg
Between end face, short leg is arranged between rear end cap 2 and the side wall of brake 3.Second insulating unit 6 can be in 2 He of rear end cap
It is respectively formed effective heat rejection between the counterface and side clearance of brake 3, therefore the biography of brake 3 can be effectively reduced
Be handed to the heat of rear end cap 2, and then reduce the temperature rise at 4 place environment of encoder, improve encoder 4 job stability and can
By property, motor functional reliability is improved.
Preferably, rear end cap 2 is provided with thermal insulation board close to one end of encoder 4, can rear end cap 2 and encoder 4 it
Between re-form one layer of heat rejection, so that rear end cap 2 more efficiently be avoided to be transferred to the heat of encoder 4, reduce encoder 4 weeks
The temperature rise of side.
Preferably, radiating ribs 8 are provided on rear end cap 2, the radiating efficiency of rear end cap 2 can be improved by radiating ribs 8, is made
Obtaining rear end cap 2 can quickly distribute heat in the air of side, reduce the heat that rear end cap 2 is transferred to encoder 4 to the greatest extent.
Preferably, radiating ribs 8 are provided on the periphery wall of casing 1, the heat distributed from casing 1 can be accelerated, improved
The radiating efficiency of casing 1 reduces the heat that rear end cap 2 is transferred to from casing 1, in turn so that heat mainly distributes from casing 1
The heat of rear end cap 2 is reduced to adverse effect caused by encoder 4.
Radiating ribs 8 extend radially outwardly along casing 1.
Preferably, radiating ribs 8 are in comb teeth-shaped, and the radiating ribs 8 that can use comb teeth-shaped increase heat-dissipating distance, increase radiating ribs
8 with the contact area of air, improve radiating efficiency, the flow effect of air-flow can also be improved using comb teeth-shaped structure, accelerates gas
Flow flowing velocity, enable air-flow more rapidly along the radiating ribs of comb teeth-shaped 8 flow, take away in radiating ribs 8 scatter and disappear
Heat improves the radiating efficiency of casing 1, reduces the heat that casing 1 is transferred to rear end cap 2.In order to increase casing 1 as much as possible
Radiating efficiency can axially be arranged multiple groups radiating ribs 8 in the outer peripheral surface of casing 1, and to be formed between multiple groups radiating ribs 8
Convection action accelerates cross-ventilation heat exchange efficiency, the radiating efficiency of further lifting shell 1.
Above-mentioned the first insulating unit 5, the second insulating unit 6 and thermal insulation board be all made of heat-barrier material or pyroconductivity compared with
Low material is made, and the lower material of pyroconductivity can be not more than for the thermal coefficient when mean temperature is not higher than 350 DEG C
The material of 0.12W/ (mK), such as foamed plastics etc., heating conduction are far below metal material.
According to an embodiment of the present application, smart machine includes servo motor, which is above-mentioned servo motor.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within principle.Above only
It is the preferred embodiment of the application, it is noted that for those skilled in the art, do not departing from this Shen
Several improvements and modifications please can also be made, these improvements and modifications also should be regarded as the guarantor of the application under the premise of technical principle
Protect range.
Claims (14)
1. a kind of servo motor, which is characterized in that described including casing (1), rear end cap (2), brake (3) and encoder (4)
Rear end cap (2) is connected on the casing (1), and brake (3) setting is described in the casing (1) or rear end cap (2)
Encoder (4) setting is in the one end of the rear end cap (2) far from the brake (3), the casing (1) and the rear end cap
(2) the first insulating unit (5) are provided between；And/or second is provided between the brake (3) and the rear end cap (2)
Insulating unit (6).
2. servo motor according to claim 1, which is characterized in that first insulating unit (5) is annular element, described
Annular element is connected between the rear end cap (2) and the casing (1), and the rear end cap (2) and the casing (1) is complete
It is spaced apart.
3. servo motor according to claim 2, which is characterized in that the unilateral longitudal section of first insulating unit (5)
It is T-shaped.
4. servo motor according to claim 3, which is characterized in that first insulating unit (5) includes "-" type bottom
Wall and the protruding portion being connected on the "-" type bottom wall, the protruding portion are arranged in the rear end cap (2) and the casing (1)
Between, the "-" type bottom wall is sticked on the internal perisporium of the rear end cap (2) and the casing (1).
5. servo motor according to claim 4, which is characterized in that the rear end cap (2) is towards the one of the casing (1)
Side is provided with stepped groove (7), and the side of the "-" type bottom wall is embedded in the stepped groove (7).
6. servo motor according to claim 1, which is characterized in that second insulating unit (6) is annular element, described
Annular element is arranged between the rear end cap (2) and the brake (3), and by the rear end cap (2) and the brake (3)
It is spaced apart completely.
7. servo motor according to claim 6, which is characterized in that the unilateral longitudal section of second insulating unit (6)
For L shape.
8. servo motor according to claim 7, which is characterized in that second insulating unit (6) include long leg and
Short leg, the long leg are arranged between the rear end cap (2) and the end face of the brake (3), the short leg setting
Between the rear end cap (2) and the side wall of the brake (3).
9. servo motor according to any one of claim 1 to 8, which is characterized in that the rear end cap (2) is close to described
One end of encoder (4) is provided with thermal insulation board.
10. servo motor according to any one of claim 1 to 8, which is characterized in that be arranged on the rear end cap (2)
There are radiating ribs (8).
11. servo motor according to any one of claim 1 to 8, which is characterized in that the periphery wall of the casing (1)
On be provided with radiating ribs (8).
12. servo motor according to claim 11, which is characterized in that diameter of the radiating ribs (8) along the casing (1)
To extending outwardly.
13. servo motor according to claim 12, which is characterized in that the radiating ribs (8) are in comb teeth-shaped.
14. a kind of smart machine, including servo motor, which is characterized in that the servo motor is any in claim 1 to 13
Servo motor described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503151.1A CN110247518A (en) | 2019-06-11 | 2019-06-11 | Servo motor and smart machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503151.1A CN110247518A (en) | 2019-06-11 | 2019-06-11 | Servo motor and smart machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110247518A true CN110247518A (en) | 2019-09-17 |
Family
ID=67886575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910503151.1A Pending CN110247518A (en) | 2019-06-11 | 2019-06-11 | Servo motor and smart machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110247518A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271875A (en) * | 2020-11-03 | 2021-01-26 | 珠海格力电器股份有限公司 | Heat insulation assembly, encoder assembly and motor |
| CN118100516A (en) * | 2024-04-25 | 2024-05-28 | 珠海格力电器股份有限公司 | Brake and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204886502U (en) * | 2015-08-10 | 2015-12-16 | 东莞华数节能科技有限公司 | Servo motor |
| CN205544808U (en) * | 2016-03-22 | 2016-08-31 | 长春汇通光电技术有限公司 | Thermal -insulated structure between encoder and power supply |
| CN207082971U (en) * | 2017-08-17 | 2018-03-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN207251365U (en) * | 2017-09-29 | 2018-04-17 | 杭州桢正玮顿运动控制技术有限公司 | A kind of Novel servomotor |
| CN208675054U (en) * | 2018-08-24 | 2019-03-29 | 佛山市顺德区金泰德胜电机有限公司 | The fixed structure of servo motor encoder |
-
2019
- 2019-06-11 CN CN201910503151.1A patent/CN110247518A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204886502U (en) * | 2015-08-10 | 2015-12-16 | 东莞华数节能科技有限公司 | Servo motor |
| CN205544808U (en) * | 2016-03-22 | 2016-08-31 | 长春汇通光电技术有限公司 | Thermal -insulated structure between encoder and power supply |
| CN207082971U (en) * | 2017-08-17 | 2018-03-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN207251365U (en) * | 2017-09-29 | 2018-04-17 | 杭州桢正玮顿运动控制技术有限公司 | A kind of Novel servomotor |
| CN208675054U (en) * | 2018-08-24 | 2019-03-29 | 佛山市顺德区金泰德胜电机有限公司 | The fixed structure of servo motor encoder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271875A (en) * | 2020-11-03 | 2021-01-26 | 珠海格力电器股份有限公司 | Heat insulation assembly, encoder assembly and motor |
| CN118100516A (en) * | 2024-04-25 | 2024-05-28 | 珠海格力电器股份有限公司 | Brake and motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
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| RJ01 | Rejection of invention patent application after publication |