CN206135610U - Inside antisweat structure of motor - Google Patents
Inside antisweat structure of motor Download PDFInfo
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- CN206135610U CN206135610U CN201621082233.1U CN201621082233U CN206135610U CN 206135610 U CN206135610 U CN 206135610U CN 201621082233 U CN201621082233 U CN 201621082233U CN 206135610 U CN206135610 U CN 206135610U
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- motor
- vent valve
- grid
- feedback device
- rosette
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Abstract
The application discloses an inside antisweat structure of motor is including the ventilation valve of mountable on motor shell, terminal box or feedback device safety cover, ventilation valve is last to be equipped with waterproof dirt -proof air vent, and the department is equipped with waterproof ventilated membrane at the air vent, still installs ring type seal between motor shell, terminal box or feedback device safety cover and ventilation valve, be provided with the grid that covers the air vent in the air vent, be provided with outside from the interior bell mouth that diminishes gradually on the grid. Current inside antisweat structure of motor is solved in this patent application can't make the inside and outside temperature of motor keep unanimous problem.
Description
Technical field
This utility model is related to H02K5：A kind of motor case field, and in particular to motor internal anti-condensation structure.
Background technology
Motor, is commonly called as " motor ", to refer to and realize electric energy conversion or a kind of calutron for transmitting according to the law of electromagnetic induction.
Typically when work, the stator rotation cutting magnetic induction line in motor produces electric energy or transmission electric energy.Because stator rotation
Heat is produced, temperature of the temperature in motor higher than the environment outside motor is easily made.And the motor case of motor is used as isolation electricity
Structure inside and outside machine, is higher than the temperature outside motor at a temperature below the temperature in motor.Hot-air in motor is near ice
Water can be condensed on surface during cold motor case, this phenomenon is referred to as condensed by we.
The normal work of motor internal each parts is affected inside condensation stream stepper motor easily.Especially degree of protection reaches
To IP55 and the motor of the above, motor internal condensation can produce stronger corrosion to motor case and motor internal parts, sternly
Ghost image rings the safe operation of motor and service life；To the motor with rosette, the same butted line of condensation of its junction box
Box housing and its interior powered parts produce corrosion, even can cause burn-down of electric motor when serious；To the control with feedback device
Class motor processed, its feedback device protective cover internal condensation for installing feedback element can directly make the feedback signal line of feedback element exhausted
Edge fails, and makes motor signal feedback neutralization, and then causes control system to fail.
In order to solve the problems, such as that motor internal condenses, thermal insulation layer is sprayed by the motor case surfaces externally and internally in motor now
Or corrosion-inhibiting coating, or increase heat insulating mattress elimination conduction of heat difference inside connector cover, reduce motor internal condensation, so as to
Ensure that motor normally runs, increase the service life.But, such way can increase the difficulty of motor production technology, increase electricity
The manufacturing cost of machine.
In order on the basis of motor production difficulty is not increased, newly develop a kind of motor internal anti-condensation structure,
This motor internal anti-condensation structure mainly includes may be mounted at motor case or the vent valve in rosette, the vent valve
The passage of water proof and dust proof is provided with, and ventilated membrane is additionally provided with passage, between motor case or rosette and vent valve
It is also equipped with O-ring seal.Although this motor internal anti-condensation structure makes the temperature of motor internal and outside to a certain extent
Degree difference is reduced because of air circulation, but is because unrestrictedly installing ventilative on motor case or rosette
Valve, the air inside and outside motor can not accomplish fully circulation, and this causes the temperature difference inside and outside motor to yet suffer from, and dew condensation phenomenon is still
So exist.As long as additionally, because motor stator rotate will by mechanical energy be changed into interior energy produce heat, even if there is no electricity
In the case of machine casing, the temperature near the air of stator is also high than the temperature of the air away from stator, and the temperature difference is yet suffered from.
Want to avoid motor internal from producing condensation, being not only needs to make motor inner air and outer air circulate, more should be to the air around stator
Lowered the temperature.
Therefore, it is badly in need of now developing a kind of motor internal anti-condensation that be consistent can motor internal and external temperature knot
Structure.
Utility model content
This utility model is intended to provide a kind of motor internal anti-condensation structure, to solve existing motor internal anti-condensation structure
The problem that be consistent cannot motor internal and external temperature.
Following scheme is provided to solve problem above：
Scheme one：Motor internal anti-condensation structure in this programme, including may be installed motor case, rosette or feedback
Vent valve on unit protection cover；The vent valve is provided with the passage of water proof and dust proof, and the saturating of waterproof is provided with passage
Air film, is also equipped with O-ring seal between motor case, rosette or feedback device protective cover and vent valve；The ventilation
The grid for covering passage is provided with hole, the bellmouth for tapering into from outside to inside on the grid, is provided with.
Operation principle and beneficial effect：
Vent valve enables motor case or rosette or the air inside and outside feedback device protective cover to pass through vent valve
Circulation, and the condensation condensed in outer surface can not flow into motor internal by ventilated membrane.Motor case and stator winding interference
Coordinate, stator winding end is derived by rosette, and stator winding is the main pyrotoxin of motor, and caloric value is larger, in motor machine
Vent valve is installed at shell or rosette or on feedback device protective cover and can avoid the larger dew condensation phenomenon for causing of its internal-external temperature difference, and
Less is changed to electric machine structure, development cost is low.
Because passage, enable the inner air and outer air of motor case, rosette or feedback device protective cover to circulate, make electricity
The hot-air produced inside machine can be discharged by passage.
Because grid is provided with passage, can make to become Erlotinib by the air of passage, it is to avoid quenching is shock heating
And shorten the motor and its inner components service life under big difference variation.
Because the bellmouth for tapering into from outside to inside arranged on grid, the outer imperial palace of bellmouth is little, according to throttling expansion
Effect, during wind flows from the big mouth of bellmouth to osculum one end, air is discharged after being squeezed from aperture, Ke Yili
Solve as a small-sized throttling expansion, the reduction of air temperature can be caused.Air when entering from outside to inside, pressed by air
Scaling heat, liberated heat is for the temperature outside lifting motor casing and motor case.Air enter into after motor internal because
It is re-inflated for pressure reduces, heat is absorbed during air expansion reduces the temperature of surrounding.Enter from bellmouth
The air for entering is gradually lowered the temperature in motor case, makes the temperature difference inside and outside motor diminish, finally makes the temperature inside and outside motor
Degree is changed into consistent.Make the motor case inside and outside isolation motor that dew condensation phenomenon will not be produced because of internal-external temperature difference.Equally, rosette
Or why feedback device protective cover can produce dew condensation phenomenon, lean on inside main or rosette or feedback device protective cover
Nearly stator and its hot-air of generation, make the inside and outside generation temperature difference of rosette or feedback device protective cover, make rosette or
Thus the feedback device protective cover temperature of itself produces condensation less than the temperature of each internal air.Sky around stator
Temperature degree is because the cold air that grid inwardly blows always makes the temperature around stator reach dynamic putting down with the temperature outside motor case
Weighing apparatus, the then dew condensation phenomenon that effectively prevent in each position of motor are produced.
Scheme two：Further, hydrophobic layer is scribbled on the grid.Avoid dew condensation phenomenon is formed on grid.
Scheme three：Further, the vent valve includes the shell being connected with motor case, rosette or feedback device, institute
State grid to be connected on shell, the shell and grid adopt rustless steel, the ventilated membrane to adopt polytetrafluoroethylmaterial material.
Rustless steel and polytetrafluoroethylmaterial material all have good hot properties, the feelings can in motor with high temperature problem
Normal work under condition, makes vent valve balance motor internal-external temperature difference under high temperature, it is to avoid occur condensation under hot and humid working environment
Phenomenon.
Scheme four：Further, the vent valve is multiple, is connected with the elasticity for scribbling hydrophobic layer between two vent valves
Rope, the two ends of the elastic threads are integrally formed with the ring set being socketed on vent valve.Vent valve can not only be connected by ring set
It is locked, moreover it is possible to the connection of vent valve and motor case, rosette or feedback device protective cover is blocked as O-ring seal
Place, passes through in making the air-vent that air can only be from vent valve.Two vent valves are coupled together by elastic threads, when on a motor
When being provided with multiple vent valves, the elastic threads being connected to each other can be close to the surfaces such as motor case, on the one hand strengthen each
Vent valve is contacted with motor case, the elastic threads being covered on motor case will be prepared using hydrophobic layer
The moisture barrier of condensation is outside.
Scheme five：Further, the rosette includes connector cover and junction box seat, and the vent valve may be installed wiring
On the side of front, rear, left and right four of lid and junction box seat.It is convenient to be selected the position of vent valve is installed according to practical situation.
Scheme six：Further, the motor case includes support and is connected to two symmetrically arranged end caps on support,
The vent valve is may be installed on the front surface and side surface of two end caps.It is convenient to select vent valve is installed according to practical situation
Position.
Scheme seven：Further, the vent valve is may be installed on the front surface and side surface of feedback device protective cover.It is convenient
Selected the position of vent valve is installed according to practical situation.
Description of the drawings
Front views of the Fig. 1 for this utility model embodiment.
Left views of the Fig. 2 for this utility model embodiment.
Front views of the Fig. 3 for the vent valve of this utility model embodiment.
Specific embodiment
This utility model is described in further detail below by specific embodiment：
Reference in Figure of description includes：It is vent valve 1, junction box seat 2, connector cover 3, support 4, end cap 5, anti-
Feedback unit protection cover 6, grid 7, bellmouth 8, shell 9.
As depicted in figs. 1 and 2, the motor internal anti-condensation structure in this programme, including may be installed motor case, wiring
Vent valve 1 on box or feedback device protective cover 6.
Rosette includes the connector cover 3 and junction box seat 2 of mode connects for screw each other.Vent valve 1 may be installed junction box seat 2
On the side of front, rear, left and right four.Vent valve 1 also may be installed 3 upper surface of connector cover and the side of front, rear, left and right four
On.
Motor case includes that the support 4 of cylindrical shape and be connected to 4 two ends of support for blocking support 4 two symmetrically set
The end cap 5 put.Vent valve 1 is may be installed on the position of 360 ° of 4 surface of support.Vent valve 1 may be installed former and later two 5 positive tables of end cap
On face and side.
On drive end bearing bracket 5, vent valve 1 just may be installed feedback device protective cover 6 to 6 mode connects for screw of feedback device protective cover
On surface and side surface.
Using this programme practicing in a permasyn morot, vent valve 1 is arranged on the junction box seat 2 of motor
Side, connector cover 3 are arranged on junction box seat 2, and junction box seat 2 is arranged on support 4, and front and rear cover 5 is arranged on support 4
On, feedback device is installed protective cover 6 and is arranged on end cap 5, and feedback device interface 7 is arranged on 6 side of feedback device protective cover, thoroughly
Air valve 1 is arranged on feedback device and installs 6 side of protective cover.
During motor operation, motor internal temperature is raised, and air pressure inside increases sharply more than outside motor air pressure, internal heat
Air discharges motor internal by the vent valve 1 on junction box seat 2 and feedback device protective cover 6, keeps inner and outer air pressure
Equilibrium, reduces internal-external temperature difference and reaches thermal balance, and when motor quits work, motor internal temperature is reduced, and air pressure inside is reduced, motor
Extraneous gas flows into motor internal by the vent valve 1 on junction box seat 2 and feedback device protective cover 6, keeps inside and outside
Air pressure equalisation, while reducing internal-external temperature difference, it is to avoid or reduce inside electric machine stand 4, junction box seat 2, connector cover 3 and feedback are filled
The condensation for installing protective cover 6 is put, motor safety reliability service is ensured so as to reach, extend the purpose of motor service life.
As shown in figure 3, the vent valve 1 includes the shell 9 being connected with motor case, rosette or feedback device, it is described
Grid 7 is connected on shell 9, and the shell 9 and grid 7 adopt rustless steel, the ventilated membrane to adopt polytetrafluoroethylmaterial material.
On vent valve 1 shell 9 surround be passage, the ventilated membrane of waterproof is provided with passage, motor case,
O-ring seal is also equipped between rosette or feedback device protective cover 6 and vent valve 1；Covering is provided with the passage
The grid 7 of passage, is provided with the bellmouth 8 for tapering into from outside to inside on the grid 7.Scribble on the grid 7 hydrophobic
Layer.Avoid forming dew condensation phenomenon on grid 7.
Rustless steel and polytetrafluoroethylmaterial material all have good hot properties, the feelings can in motor with high temperature problem
Normal work under condition, makes vent valve 1 balance motor internal-external temperature difference under high temperature, it is to avoid occur condensation under hot and humid working environment
Phenomenon.
The elastic threads for scribbling hydrophobic layer are connected between two vent valves 1, the two ends of the elastic threads are integrally formed with set
The ring set being connected on vent valve 1.The connection of vent valve 1 can not only be locked by ring set, moreover it is possible to block as O-ring seal
Vent valve 1 and the junction of motor case, rosette or feedback device protective cover 6, make air saturating from vent valve 1
Pass through in pore.Two vent valves 1 are coupled together by elastic threads, when multiple vent valves 1 are provided with a motor, are connected each other
The elastic threads for connecing can be close to the surfaces such as motor case, on the one hand strengthen contacting for each vent valve 1 and motor case, separately
On the one hand enable the elastic threads being covered on motor case using hydrophobic layer by the moisture barrier for preparing condensation outside.
Above-described is only embodiment of the present utility model, the known general knowledge here such as concrete structure and characteristic in scheme
Excessive description is not made.It should be pointed out that for a person skilled in the art, in the premise without departing from this utility model structure
Under, some deformations and improvement can also be made, these should also be considered as protection domain of the present utility model, and these are all without impact
Effect and practical applicability that this utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, specific embodiment in description etc. records the content that can be used for explaining claim.
Claims (7)
1. a kind of motor internal anti-condensation structure, including may be installed on motor case, rosette or feedback device protective cover
Vent valve；The vent valve is provided with the passage of water proof and dust proof, and the ventilated membrane of waterproof is provided with passage, in motor machine
O-ring seal is also equipped between shell, rosette or feedback device protective cover and vent valve；It is characterized in that：The passage
The grid for covering passage is inside provided with, the bellmouth for tapering into from outside to inside on the grid, is provided with.
2. motor internal anti-condensation structure according to claim 1, it is characterised in that：Hydrophobic layer is scribbled on the grid.
3. motor internal anti-condensation structure according to claim 1, it is characterised in that：The vent valve includes and motor machine
The shell of shell, rosette or feedback device connection, the grid are connected on shell, and the shell and grid adopt rustless steel,
The ventilated membrane adopts polytetrafluoroethylmaterial material.
4. motor internal anti-condensation structure according to claim 1, it is characterised in that：The vent valve for multiple, two
It is connected with the elastic threads for scribbling hydrophobic layer between vent valve, the two ends of the elastic threads are integrally formed with being socketed on vent valve
Ring set.
5. motor internal anti-condensation structure according to claim 1, it is characterised in that：The rosette includes connector cover
With junction box seat, the vent valve may be installed on the side of front, rear, left and right four of connector cover and junction box seat.
6. motor internal anti-condensation structure according to claim 1, it is characterised in that：The motor case include support with
And two symmetrically arranged end caps on support are connected to, the vent valve may be installed the front surface and side surface of two end caps
On.
7. motor internal anti-condensation structure according to claim 1, it is characterised in that：The vent valve may be installed feedback
On the front surface and side surface of unit protection cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999703 | 2016-08-31 | ||
| CN2016209997034 | 2016-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135610U true CN206135610U (en) | 2017-04-26 |
Family
ID=58570947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621082233.1U Active CN206135610U (en) | 2016-08-31 | 2016-09-27 | Inside antisweat structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450180A (en) * | 2018-12-27 | 2019-03-08 | 佛山市顺德区深研机电设备有限公司 | A kind of projecting shaft servo motor preventing dew condensation phenomenon |
| CN111864964A (en) * | 2020-08-04 | 2020-10-30 | 安徽安凯汽车股份有限公司 | Permanent magnet motor protective structure |
-
2016
- 2016-09-27 CN CN201621082233.1U patent/CN206135610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450180A (en) * | 2018-12-27 | 2019-03-08 | 佛山市顺德区深研机电设备有限公司 | A kind of projecting shaft servo motor preventing dew condensation phenomenon |
| CN111864964A (en) * | 2020-08-04 | 2020-10-30 | 安徽安凯汽车股份有限公司 | Permanent magnet motor protective structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |