CN108377069A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN108377069A CN108377069A CN201810200298.9A CN201810200298A CN108377069A CN 108377069 A CN108377069 A CN 108377069A CN 201810200298 A CN201810200298 A CN 201810200298A CN 108377069 A CN108377069 A CN 108377069A
- Authority
- CN
- China
- Prior art keywords
- encoder
- cover
- end cap
- connecting bracket
- encoder cover
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000011796 hollow space material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000005855 radiation Effects 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
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The present invention provides a kind of motors, including：Ontology, ontology include end cap；Encoder, encoder include encoder body and encoder cover, and encoder cover is wholely set with encoder body；Connecting bracket, encoder cover are connect with end cap by connecting bracket.Due in the present invention encoder body and encoder cover be wholely set, and encoder cover is connected with end cap by connecting bracket, during motor works, the heat on encoder body can quickly pass to encoder cover, and be distributed heat by encoder cover.In addition, being connected by connecting bracket between encoder cover and end cap, rather than encoder cover is covered on end cap so that there is hollow space between encoder cover and end cap, be convenient for radiating.As it can be seen that structure through the invention, improves the heat dissipation effect of encoder, the heat that motor is transmitted to encoder is reduced, to reduce the heating of encoder.
Description
Technical field
The present invention relates to technical field of driving, in particular to a kind of motor.
Background technology
It is existing as shown in Figure 1 using the electric machine structure schematic diagram of Split encoder.Encoder 1 is one inside motor
Very important part, uses more electronic chip thereon, and the temperature in use of encoder 1 is generally 85 DEG C.With motor
Miniaturization, motor is often that 1 part of encoder first reaches maximum operation (service) temperature at runtime, motor stopping protection, and
Also there are surpluses for other parts.Itself main reasons is that motor stator 2, electromotor brake 3 generate heat by casing 4 and after
End cap 5 is transmitted to encoder 1, and 1 temperature of encoder is made to increase；For encoder 1 in a closed space, thermal diffusivity is poor simultaneously.
Invention content
The main purpose of the present invention is to provide a kind of motors, to solve dissipating for the encoder on motor in the prior art
The problem of hot property difference.
To achieve the goals above, the present invention provides a kind of motors, including：Ontology, ontology include end cap；Encoder,
Encoder includes encoder body and encoder cover, and encoder cover is wholely set with encoder body；Connecting bracket, encoder cover
It is connect by connecting bracket with end cap.
Further, encoder cover is wholely set with encoder body by injection molding manner.
Further, there is predetermined gap L, wherein L ＞ 0 between encoder body and end cap.
Further, it is molded by epoxy resin or BMC between encoder body and encoder cover integral.
Further, encoder cover is made using metal material.
Further, encoder cover is made using aluminium.
Further, the surface of encoder cover is black.
Further, connecting bracket is fixed on by fastener on end cap and encoder cover.
Further, more pillars are arranged at intervals in connecting bracket, the both ends of pillar are connected to end cap and coding
Device covers.
Further, connecting bracket is made using plastic material.
Apply the technical scheme of the present invention, due in the present invention encoder body and encoder cover be wholely set,
And encoder cover is connected with end cap by connecting bracket, and during motor works, the heat energy on encoder body
It is enough quickly to pass to encoder cover, and distributed heat by encoder cover.In addition, passing through between encoder cover and end cap
Connecting bracket connects, rather than encoder cover is covered on end cap so that has hollow space between encoder cover and end cap, just
In radiating.As it can be seen that structure through the invention, improves the heat dissipation effect of encoder, reduces motor and passed to encoder
The heat passed, to reduce the heating of encoder.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the sectional view of existing motor；
Fig. 2 diagrammatically illustrates the sectional view of the motor of the present invention；
Fig. 3 diagrammatically illustrates the sectional view of the encoder cover and encoder body of the present invention；
Fig. 4 diagrammatically illustrates the side view of the motor of the present invention；And
Fig. 5 diagrammatically illustrates the A direction views in Fig. 4.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, ontology；11, end cap；12, rotor；13, stator；15, bearing；16, axis；17, casing；21, encoder cover；22、
Encoder body；23, encoder disk；30, connecting bracket；40, fastener.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Those of be necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Shown in Fig. 2 to Fig. 5, according to an embodiment of the invention, a kind of motor is provided, the motor packet in the present embodiment
Include ontology 10, encoder and connecting bracket 30.
Wherein, ontology 10 includes end cap 11 and casing 17, and end cap 11 and casing 17 enclose and set to form installation cavity, in the installation cavity
It is provided with axis 16 and is set in the stator 13 and rotor 12 of the periphery of axis 16, the both ends of axis 16 are fixed on end cap by bearing 15
On 11.
Encoder includes encoder body 22, encoder cover 21 and encoder disk 23, wherein encoder cover 21 and coding
Device ontology 22 is wholely set, and encoder disk 23 is arranged in encoder body 22.
When installation, encoder cover 21 is connect with end cap 11 by connecting bracket 30.
According to above-mentioned structure it is recognised that by this present embodiment encoder body 22 and encoder cover 21 be one
It is arranged, and encoder cover 21 and end cap 11 are connected by connecting bracket 30, during motor works, encoder sheet
Heat on body 22 can quickly pass to encoder cover 21, and be distributed heat by encoder cover 21.In addition, coding
It is connected by connecting bracket 30 between device lid 21 and end cap 11, rather than encoder cover 21 is covered on end cap 11 so that coding
There is hollow space between device lid 21 and end cap 11, be convenient for radiating.As it can be seen that structure through the invention, improves coding
The heat dissipation effect of device reduces the heat that motor is transmitted to encoder, to reduce the heating of encoder.
Preferably, it is integrally set by way of injection molding between the encoder cover 21 in the present embodiment and encoder body 22
It sets, certainly, in other embodiments of the invention, encoder cover 21 and encoder body 22 can also be used same block of material
It is process.
In order to further increase the heat dissipation effect of the encoder in the present embodiment, the encoder cover 21 in the present embodiment uses
Metal material is made, and structural strength is high, good heat dissipation effect.Preferably, the encoder cover 21 in the present embodiment uses aluminum
It forms, simple in structure, good heat dissipation effect.
In order to further increase the heat dissipation effect of the encoder cover 21 in the present embodiment, the encoder cover 21 in the present embodiment
Surface be black, further increase its heat loss through radiation ability.
Preferably, there is predetermined gap L, wherein L ＞ 0, drop between the encoder body 22 in the present embodiment and end cap 11
Heat transfer between low side lid 11 and encoder body 22.
Preferably, be molded by epoxy resin or BMC between encoder body 22 and encoder cover 21 it is integral, convenient for into
The quick transmission of row heat in other embodiments of the invention, can also use other thermal coefficients relatively high certainly
Encoder body 22 and encoder cover 21 are molded integrally by injected plastics material, simple in structure, are easy to implement.
Shown in Fig. 2 to Fig. 5, the connecting bracket 30 in the present embodiment is fixed on 11 He of end cap by fastener 40
On encoder cover 21, it is preferable that the fastener 40 in the present embodiment can be the structures such as screw or pin or rivet, as long as
Other modes of texturing under the design of the present invention, within protection scope of the present invention.
Preferably, more pillar (not shown)s are arranged at intervals in connecting bracket 30, the both ends of pillar are separately connected
On end cap 11 and encoder cover 21, it sets connecting bracket 30 to more spaced pillars, is effectively engraved convenient for being formed
Absolutely empty, and then convenient for radiating to encoder body 22.
Connecting bracket 30 in the present embodiment is made using plastic material.The plastics are the low plastics material of thermal coefficient
Matter reduces the heat transfer between connecting bracket 30 and end cap 11 and encoder cover 21, the heating of mode encoder.
Preferably, the encoder cover 21 in the present embodiment is platy structure, and encoder cover 21 is using metal materials such as aluminum materials
Material, on the one hand ensure that mechanical strength, on the one hand improves the thermal diffusivity of cover board.Encoder cover 21 is surface-treated into black,
Epoxy resin or BMC or the relatively high injected plastics material of other thermal coefficients may be used in encoder cover 21 and encoder body 22
Injection molding is integral.
Connecting bracket 30 is set between encoder cover 21 and end cap 11.Connecting bracket 30 is installed to by lock-screw locking
On back end cover for motor 11；Encoder cover 21 is installed to by lock-screw locking in connecting bracket 30.It in this way can be to avoid coding
When device lid 21 is directly assembled to by screw on end cap 11, the heat of end cap 11 is transmitted to encoder cover 21 by lock-screw.
Connecting bracket 30 uses the plastic material of low thermal conductivity.After encoder cover 21 is installed, 22 part of encoder body and end cap 11
There are the gaps of L sizes for end face.The size of L depends on the design requirement of motor whole length, preferred L ＞ 0.
Using the application structure, the heat that encoder itself generates can be by injection molding material, metal encoder device cover board quickly
Transmission distribute；By the way that the holder of low thermal conductivity material is arranged, motor stator can be reduced, the heat that brake generates
Encoder is passed to by encoder cover board；After final assembly, there are gaps with rear end cap end face for encoder body, can prevent
The heat of rear end cap is directly passed to encoder.By the above effect, the Wen Sheng of motor encoder can be effectively reduced.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of motor, which is characterized in that including：
Ontology (10), the ontology (10) include end cap (11)；
Encoder, the encoder include encoder body (22) and encoder cover (21), the encoder cover (21) with it is described
Encoder body (22) is wholely set；
Connecting bracket (30), the encoder cover (21) are connect with the end cap (11) by the connecting bracket (30).
2. motor according to claim 1, which is characterized in that the encoder cover (21) and the encoder body (22)
It is wholely set by injection molding manner.
3. motor according to claim 1, which is characterized in that between the encoder body (22) and the end cap (11)
With predetermined gap L, wherein L ＞ 0.
4. motor according to claim 1, which is characterized in that the encoder body (22) and the encoder cover (21)
Between be molded by epoxy resin or BMC it is integral.
5. motor according to claim 1, which is characterized in that the encoder cover (21) using metal material make and
At.
6. motor according to claim 5, which is characterized in that the encoder cover (21) is made using aluminium.
7. motor according to claim 1, which is characterized in that the surface of the encoder cover (21) is black.
8. motor according to claim 1, which is characterized in that the connecting bracket (30) is fixed on by fastener (40)
On the end cap (11) and the encoder cover (21).
9. motor according to any one of claim 1 to 8, which is characterized in that be spaced and set on the connecting bracket (30)
More pillars are equipped with, the both ends of the pillar are connected on the end cap (11) and the encoder cover (21).
10. motor according to any one of claim 1 to 8, which is characterized in that the connecting bracket (30) uses plastics
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200298.9A CN108377069A (en) | 2018-03-12 | 2018-03-12 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200298.9A CN108377069A (en) | 2018-03-12 | 2018-03-12 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108377069A true CN108377069A (en) | 2018-08-07 |
Family
ID=63018508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810200298.9A Pending CN108377069A (en) | 2018-03-12 | 2018-03-12 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108377069A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116066A (en) * | 1998-10-05 | 2000-04-21 | Matsushita Electric Ind Co Ltd | Motor with encoder |
| CN204497878U (en) * | 2015-01-13 | 2015-07-22 | 宁波菲仕自动化技术有限公司 | A kind of plastic stent |
| US20150280527A1 (en) * | 2014-04-01 | 2015-10-01 | Rockwell Automation Technologies, Inc. | Radiation heat transfer of internal motor components by electro-magnetic waves |
| JP2016226090A (en) * | 2015-05-27 | 2016-12-28 | オークマ株式会社 | Motor with built-in encoder |
| US20170126102A1 (en) * | 2012-09-14 | 2017-05-04 | Rockwell Automation Technologies, Inc. | Heatsink design with thermal insulator to reduce encoder temperature |
| CN206559199U (en) * | 2017-03-22 | 2017-10-13 | 东莞市森惠工控设备有限公司 | A kind of small inertia AC servo motor |
| CN107516962A (en) * | 2017-09-29 | 2017-12-26 | 杭州桢正玮顿运动控制技术有限公司 | A kind of Novel servomotor |
| CN208015538U (en) * | 2018-03-12 | 2018-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
-
2018
- 2018-03-12 CN CN201810200298.9A patent/CN108377069A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116066A (en) * | 1998-10-05 | 2000-04-21 | Matsushita Electric Ind Co Ltd | Motor with encoder |
| US20170126102A1 (en) * | 2012-09-14 | 2017-05-04 | Rockwell Automation Technologies, Inc. | Heatsink design with thermal insulator to reduce encoder temperature |
| US20150280527A1 (en) * | 2014-04-01 | 2015-10-01 | Rockwell Automation Technologies, Inc. | Radiation heat transfer of internal motor components by electro-magnetic waves |
| CN204497878U (en) * | 2015-01-13 | 2015-07-22 | 宁波菲仕自动化技术有限公司 | A kind of plastic stent |
| JP2016226090A (en) * | 2015-05-27 | 2016-12-28 | オークマ株式会社 | Motor with built-in encoder |
| CN206559199U (en) * | 2017-03-22 | 2017-10-13 | 东莞市森惠工控设备有限公司 | A kind of small inertia AC servo motor |
| CN107516962A (en) * | 2017-09-29 | 2017-12-26 | 杭州桢正玮顿运动控制技术有限公司 | A kind of Novel servomotor |
| CN208015538U (en) * | 2018-03-12 | 2018-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
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