CN210201611U - Permanent magnet variable frequency motor - Google Patents
Permanent magnet variable frequency motor Download PDFInfo
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- CN210201611U CN210201611U CN201921146172.4U CN201921146172U CN210201611U CN 210201611 U CN210201611 U CN 210201611U CN 201921146172 U CN201921146172 U CN 201921146172U CN 210201611 U CN210201611 U CN 210201611U
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- motor
- conversion module
- frequency conversion
- fan
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Abstract
The utility model relates to a permanent magnet variable frequency motor, the drive frequency conversion module setting that solution prior art exists on motor casing, the fan can not carry out radiating problem, the technical scheme of adoption to the drive converter: the motor shell is characterized in that a driving frequency conversion module is axially arranged on the outer side of the rear end cover, and heat dissipation holes are formed in the rear end cover and used for supplying air to dissipate heat of all parts in the motor shell and supplying air to dissipate heat of the driving frequency conversion module. The method has the following effects: the coil, the fan of motor, drive frequency conversion module form the axial setting in proper order, and the fan setting is in motor main part spare and drive frequency conversion module intermediate position, and the wind energy that fan work produced can be bloied to both sides simultaneously, has both dispelled the heat to motor main part spare, dispels the heat to drive frequency conversion module again, is favorable to improving drive frequency conversion module's performance and life.
Description
Technical Field
The utility model relates to a permanent magnet variable frequency motor for pump especially relates to a permanent magnet variable frequency motor for pump that the wholeness is good, make things convenient for quick assembly disassembly maintenance.
Background
The connection mode of the drivers and the motors of the permanent magnet frequency conversion asynchronous motors with the frequency conversion function in the existing water pump market is a radial assembly mode, and the drivers and the motors are combined by adopting an independent motor and a driving module or a backpack frequency converter (namely, a driving frequency conversion module) to form a set of permanent magnet frequency conversion motors or asynchronous motors with the frequency conversion function. The fan arranged on the motor is axially arranged, namely, the rotating shaft of the motor is used for driving the fan, the axis of the fan is overlapped with the axis of the rotating shaft, and the fan is used for dissipating heat of all parts in the motor shell. The drive frequency conversion module is arranged at the lateral side of the motor shell, and the fan cannot radiate the drive frequency conversion module, so that the use performance and the service life of the drive frequency conversion module are influenced. Moreover, the variable frequency motor has other defects: the wholeness is relatively poor, and is bulky, when breaking down and need the maintenance, dismantles the assembly more loaded down with trivial details, inefficiency.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem that prior art exists and provide a permanent magnet variable frequency motor, the coil of motor, the fan, drive frequency conversion module forms the axial setting in proper order, the fan sets up at motor body part and drive frequency conversion module intermediate position, wind energy that fan work produced is enough to blow to both sides simultaneously, both dispel the heat to motor body part, dispel the heat to drive frequency conversion module again, be favorable to improving drive frequency conversion module's performance and life, and make the wholeness of motor better, also be favorable to reducing the whole volume of motor, through inserting the terminal soon, conveniently drive frequency conversion module and fan, the quick dismantlement assembly of rear end cap etc., be favorable to improving the assembly, dismantle efficiency, also be favorable to convenient maintenance.
The above technical purpose of the present invention is mainly solved by the following technical solutions: permanent magnet variable frequency motor, including motor housing, pivot, the coil of setting in motor housing, the pivot is worn out motor housing and a fan cooperation, the fan sets up in a rear end cap, its characterized in that the outside axial of rear end cap sets up drive frequency conversion module, set up the louvre on the rear end cap, be used for right every part air supply heat dissipation in the motor housing and right drive frequency conversion module air supply heat dissipation. The coil of motor, the fan, drive frequency conversion module forms the axial setting in proper order, the fan sets up at motor body part and drive frequency conversion module intermediate position, wind energy that fan work produced is enough to blow to both sides simultaneously, both dispel the heat to motor body part, dispel the heat to drive frequency conversion module again, be favorable to improving drive frequency conversion module's performance and life, and make the wholeness of motor better, also be favorable to reducing the whole volume of motor, through inserting the terminal soon, make things convenient for drive frequency conversion module and fan, the quick dismantlement assembly of rear end cap etc., be favorable to improving the assembly, dismantle efficiency, also be favorable to making things convenient for the maintenance.
As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure: the drive frequency conversion module comprises a shell and an electronic module arranged in the shell, the shell is detachably connected with the rear end cover, a ventilation hole is formed in the wall body matched with the rear end cover, and the ventilation hole corresponds to the heat dissipation hole.
In order to improve the suitability of the overall shape of the electrical machine, the housing is adapted to the outer shape of the rear end cap.
The fan is characterized in that a signal wire transmission channel is arranged on the outer end wall of the rear end cover, the signal wire transmission channel is arranged in the radial direction, and the signal wire transmission channel is arranged at the peripheral part of the fan. The arrangement position and the direction of the signal wire transmission channel are beneficial to shortening the total length of the signal wire and the power wire in the motor, reducing the occurrence of faults and also being beneficial to assembling each part of the motor and the driving frequency conversion module.
Preferably, the power supply device further comprises a signal line and a power line, wherein the signal line and the power line penetrate through the signal line transmission channel and form signal connection and power connection with the driving frequency conversion module through a quick plug terminal.
Preferably, the rotating shaft penetrates out of the tail part of the motor shell, and the fan is arranged at the tail part of the motor shell. The main body part of the motor, the fan and the driving frequency conversion module are axially arranged.
The drive frequency conversion module comprises a shell and an electronic module arranged in the shell, the shell is detachably connected with the rear end cover, and the shell is matched with the outer shape of the rear end cover.
The utility model discloses beneficial effect who has: the coil, the fan and the driving frequency conversion module of the motor are sequentially axially arranged, the fan is arranged in the middle of the motor main body component and the driving frequency conversion module, wind generated by the work of the fan can blow to two sides simultaneously, and therefore the heat of the motor main body component is dissipated, the heat of the driving frequency conversion module is dissipated, the use performance of the driving frequency conversion module is improved, and the service life of the driving frequency conversion module is prolonged; and make the wholeness of motor better, also be favorable to reducing the whole volume of motor, through inserting the terminal soon, make things convenient for the quick dismantlement assembly of drive frequency conversion module and fan, rear end cap etc. be favorable to improving assembly, dismantlement efficiency, also be favorable to convenient maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1, the permanent magnet variable frequency motor includes a motor housing 1, a rotating shaft 2 and a coil 3 arranged in the motor housing, wherein the rotating shaft 2 penetrates out of the motor housing 1 to be matched with a fan 4, the fan is arranged in a rear end cover 5, a driving variable frequency module 6 is axially arranged at the outer side of the rear end cover, and heat dissipation holes are formed in the rear end cover and used for air supply and heat dissipation of each component in the motor housing and air supply and heat dissipation of the driving variable frequency module. The coil of motor, the fan, drive frequency conversion module forms the axial setting in proper order, the fan sets up at motor body part and drive frequency conversion module intermediate position, wind energy that fan work produced is enough to blow to both sides simultaneously, both dispel the heat to motor body part, dispel the heat to drive frequency conversion module again, be favorable to improving drive frequency conversion module's performance and life, and make the wholeness of motor better, also be favorable to reducing the whole volume of motor, through inserting the terminal soon, make things convenient for drive frequency conversion module and fan, the quick dismantlement assembly of rear end cap etc., be favorable to improving the assembly, dismantle efficiency, also be favorable to making things convenient for the maintenance.
Preferably, the rotating shaft 2 penetrates out of the tail part of the motor shell, and the fan is arranged at the tail part of the motor shell. The main body part of the motor, the fan and the driving frequency conversion module are axially arranged.
The drive frequency conversion module comprises a shell 61 and an electronic module arranged in the shell, wherein the shell 61 is detachably connected with the rear end cover 5, a ventilation hole is formed in the wall body matched with the rear end cover, and the ventilation hole corresponds to the heat dissipation hole.
In order to improve the suitability of the overall shape of the electrical machine, the housing is adapted to the outer shape of the rear end cap.
And a signal wire transmission channel 62 is arranged on the outer end wall of the rear end cover, the signal wire transmission channel is arranged in the radial direction, and the signal wire transmission channel is arranged at the peripheral part of the fan. The arrangement position and the direction of the signal wire transmission channel are beneficial to shortening the total length of the signal wire and the power wire in the motor, reducing the occurrence of faults and also being beneficial to assembling each part of the motor and the driving frequency conversion module.
Preferably, the power supply device further comprises a signal line and a power line, wherein the signal line and the power line penetrate through the signal line transmission channel and form signal connection and power connection with the driving frequency conversion module through a quick plug terminal. The quick-plug terminal is arranged on the motor shell under the normal condition
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Permanent magnet variable frequency motor, including motor housing, pivot, the coil of setting in motor housing, the pivot is worn out motor housing and a fan cooperation, the fan sets up in a rear end cap, its characterized in that the outside axial of rear end cap sets up drive frequency conversion module, set up the louvre on the rear end cap, be used for right every part air supply heat dissipation in the motor housing and right drive frequency conversion module air supply heat dissipation.
2. The permanent magnet variable frequency motor according to claim 1, wherein the driving variable frequency module comprises a housing and an electronic module disposed in the housing, the housing is detachably connected to the rear end cap, a wall body of the housing engaged with the rear end cap is provided with a ventilation hole, and the ventilation hole is disposed corresponding to the heat dissipation hole.
3. The permanent magnet variable frequency motor of claim 2, wherein the housing is adapted to the outer shape of the rear end cap.
4. The permanent magnet variable frequency motor according to any one of claims 1 to 3, wherein a signal line transmission channel is arranged on an outer end wall of the rear end cover, the signal line transmission channel is arranged in a radial direction, and the signal line transmission channel is arranged at a peripheral part of the fan.
5. The permanent magnet variable frequency motor according to claim 4, further comprising a signal line and a power line, wherein the signal line and the power line pass through the signal line transmission channel and form signal connection and power connection with the driving variable frequency module through a quick plug terminal.
6. The permanent magnet variable frequency motor according to claim 5, wherein the rotating shaft penetrates out of the tail part of the motor shell, and the fan is arranged at the tail part of the motor shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146172.4U CN210201611U (en) | 2019-07-19 | 2019-07-19 | Permanent magnet variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146172.4U CN210201611U (en) | 2019-07-19 | 2019-07-19 | Permanent magnet variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201611U true CN210201611U (en) | 2020-03-27 |
Family
ID=69868186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921146172.4U Active CN210201611U (en) | 2019-07-19 | 2019-07-19 | Permanent magnet variable frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201611U (en) |
-
2019
- 2019-07-19 CN CN201921146172.4U patent/CN210201611U/en active Active
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