CN210246541U

CN210246541U - Outdoor motor rotor heat abstractor

Info

Publication number: CN210246541U
Application number: CN201921267960.9U
Authority: CN
Inventors: Huifeng Chen; 陈惠峰; Yinghu Ma; 马迎虎; Chengpeng Liao; 廖诚鹏; Yajun Zhang; 张亚军
Original assignee: Changzhou Sinjun Motor Co ltd
Current assignee: Changzhou Sinjun Motor Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-03
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a permanent magnetism direct current motor rotor heat dissipation technical field specifically is an outdoor motor rotor heat abstractor, including motor casing, motor casing's one side surface joint has the back casing, motor casing's opposite side surface joint has the procapsid, motor casing's inside rotation is connected with the pivot, motor casing's lower surface welding has the backup pad, motor casing's last surface mounting has the terminal box, the internal connection of procapsid has the second bearing, the internally mounted of back casing has first bearing, one side welding of procapsid has the case that admits air, the welding of inside one side of procapsid has the net of admitting air, the surface of pivot is provided with the rotor. The utility model discloses permanent-magnet machine rotor, the surface both ends of pivot are provided with the flabellum and the flabellum of giving vent to anger of admitting air, and the inside packing that is provided with air inlet box and air inlet box has the filter pulp, and the lower surface of device backup pad is provided with the slipmat.

Description

Outdoor motor rotor heat abstractor

Technical Field

The utility model relates to a permanent magnet direct current motor rotor heat dissipation technical field specifically is an outdoor direct current motor rotor heat abstractor.

Background

The permanent magnet motor is a motor using a permanent magnet, and the motor does not need excitation and can be roughly divided into: permanent magnet direct current motor (have the commutator), brushless direct current motor (direct current motor characteristic, electronic commutation), permanent magnet synchronous motor (alternating current motor characteristic) etc. the permanent magnet motor rotor can produce great heat in rotating, influences the magnetism of magnet, reduces permanent magnet motor's life, influences the device and is mostly the operation.

The Chinese patent discloses an outdoor motor rotor heat dissipation device (No. CN 202260856U), which can solve the technical problems that the surface of the existing motor rotor heat dissipation structure basically has no airflow flowing when the rotor rotates, the heat dissipation of the rotor is poor only by means of convection between the rotor and a stator and a base, and the heat dissipation capacity of the rotor is poor, particularly, the temperature rise of the rotor is increased under the condition that the motor is powered by an inverter due to the increase of the loss of the rotor and the limited heat dissipation condition of the rotor. Make permanent-magnet machine under the variable frequency power supply condition, through improving the rotor heat dissipation condition, reduce the rotor temperature rise, the reliability of permanent-magnet machine operation has been improved by a wide margin, but, the permanent-magnet machine rotor on the market at present, mostly there is not heat abstractor, permanent-magnet machine rotor operation temperature on the way is higher, lead to the permanent magnet demagnetization, the life of influencing the device, the higher operation that influences the device of temperature, most motor rotor pivot ends do not have flabellum heat abstractor, mostly do not set up air inlet filter equipment, the operation that leads to the dust to get into motor casing's inside influence device, lead to the device to damage, most device's supporting legs do not set up anti-skidding damping device, lead to device operation vibrations to. Accordingly, one skilled in the art provides a heat sink for an outdoor motor rotor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor motor rotor heat abstractor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an outdoor motor rotor heat abstractor, includes motor casing, motor casing's one side surface joint has the back casing, motor casing's opposite side surface joint has the procapsid, motor casing's inside rotation is connected with the pivot, motor casing's lower skin weld has the backup pad, motor casing's last surface mounting has the terminal box, the internal connection of procapsid has the second bearing, the internally mounted of back casing has first bearing.

As a further aspect of the present invention: the welding of one side of procapsid has the inlet box, the welding of inside one side of procapsid has the net of admitting air, the surface of pivot is provided with the rotor, the one end surface of pivot closes on the position department of rotor and installs the flabellum that admits air, the other end surface of pivot closes on the position department of rotor and installs the flabellum of giving vent to anger, the outer welding of surface of one side of back casing has the radiator-grid.

As a further aspect of the present invention: the motor comprises a motor shell, a supporting plate and a motor shell, wherein a coil is installed on the inner surface of the motor shell, a non-slip mat is welded on the lower surface of the supporting plate, non-slip teeth are arranged on the lower surface of the non-slip mat, and fixing holes are formed in the upper surface of the supporting plate.

As a further aspect of the present invention: the air holes are formed in the outer surface of the motor shell, one end of the rotating shaft is connected with the front shell in a rotating mode through the second bearing, the other end of the rotating shaft is connected with the rear shell in a rotating mode through the first bearing, and the motor shell, the front shell and the rear shell are all members made of aluminum alloy materials.

As a further aspect of the present invention: the inside of air inlet box is filled with and is admitted air the filter pulp, the surface of air inlet box has seted up the bleeder vent, the external diameter of rotor is less than the internal diameter of motor casing.

As a further aspect of the present invention: the non-slip mat is a component made of rubber, the non-slip teeth are arranged on the lower surface of the non-slip mat, and the non-slip teeth are arranged on the lower surface of the non-slip mat every five centimeters.

Compared with the prior art, the beneficial effects of the utility model are that: the outdoor motor rotor of the utility model is provided with the heat dissipation device, the temperature of the motor rotor is reduced to be higher during the operation, the demagnetization of the permanent magnet is avoided, the service life of the device is prolonged, the operation of the device is prevented from being influenced by the higher temperature, the air inlet fan blades and the air outlet fan blades are arranged at the two ends of the outer surface of the rotating shaft, the air inlet fan blades and the air outlet fan blades are operated to enter air through the air inlet net, the heat dissipation net dissipates heat, the heat dissipation effect is good, the air inlet box is arranged, the filter cotton is filled in the air inlet box, the air outside is filtered by the air inlet box, so that dust is prevented from entering the motor shell to influence the operation of the device and prevent the device from being damaged, the lower surface of the device supporting plate is provided with the non-slip mat, the lower surface of the non-slip mat is provided with the non-slip teeth, the device is fixed on the desktop by penetrating through the fixing holes through screws, so that the fixation tightness is improved, and the anti-slip mat has the anti-slip and shock-absorbing effects.

Drawings

FIG. 1 is a schematic view of a heat dissipation device for an outdoor motor rotor;

FIG. 2 is a schematic view of an outdoor motor rotor heat sink in an exploded configuration;

fig. 3 is a schematic structural diagram of a motor housing in an outdoor motor rotor heat dissipation device.

In the figure: 1. a motor housing; 2. a front housing; 3. a rear housing; 4. a support plate; 5. a rotating shaft; 6. a junction box; 7. a rotor; 8. an air intake box; 9. a heat-dissipating web; 10. a first bearing; 11. a second bearing; 12. an air intake network; 13. an air intake fan blade; 14. an air outlet fan blade; 15. a non-slip mat; 16. a coil; 17. a fixing hole; 18. and (4) anti-slip teeth.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, an outdoor motor rotor heat dissipation device, including motor casing 1, one side surface joint of motor casing 1 has back casing 3, another side surface joint of motor casing 1 has procapsid 2, the inside rotation of motor casing 1 is connected with pivot 5, the lower surface welding of motor casing 1 has backup pad 4, the last surface mounting of motor casing 1 has terminal box 6, the internal connection of procapsid 2 has second bearing 11, the internally mounted of back casing 3 has first bearing 10.

In fig. 2, 3: the outer surface of the motor shell 1 is provided with air holes, one end of a rotating shaft 5 is rotatably connected with the front shell 2 through a second bearing 11, the other end of the rotating shaft 5 is rotatably connected with the rear shell 3 through a first bearing 10, the motor shell 1, the front shell 2 and the rear shell 3 are all members made of aluminum alloy, one side of the front shell 2 is welded with an air inlet box 8, one side of the interior of the front shell 2 is welded with an air inlet net 12, the outer surface of the rotating shaft 5 is provided with a rotor 7, an air inlet fan blade 13 is arranged at the position, close to the rotor 7, of the outer surface of one end of the rotating shaft 5, an air outlet fan blade 14 is arranged at the position, close to the rotor 7, of the outer surface of the other end of the rotating shaft 5, a heat dissipation net 9 is welded at the outer surface of, the inner surface of the motor shell 1 is provided with a coil 16, the lower surface of the support plate 4 is welded with an anti-slip pad 15, the lower surface of the anti-slip pad 15 is provided with anti-slip teeth 18, the upper surface of the support plate 4 is provided with fixing holes 17, the anti-slip pad 15 is a rubber component, the anti-slip teeth 18 are arranged on the lower surface of the anti-slip pad 15 every five centimeters, the fixing holes 17 are penetrated through by screws to fix the device on a table top, the anti-slip pad 15 carries out anti-slip shock absorption on the device to increase the stability of the fixation of the device, then, an input end electrode of the junction box 6 is connected with an output end of the junction box 6, the motor starts to run, the rotor 7 rotates under the action of the coil 16, the air inlet fan blades 13 and the air outlet fan blades, the rotor 7 is cooled, the air outlet fan blades 14 rotate to extract hot air inside the motor shell 1 to be dissipated through the heat dissipation net 9, the heat dissipation effect is achieved, air holes are formed in the outer surface of the motor shell 1, the auxiliary device dissipates heat, the device shell is made of aluminum alloy, the heat dissipation effect is reduced, and the corrosion resistance degree is high.

The utility model discloses a theory of operation is: firstly, the installation device, through the screw through fixed orifices 17, it is fixed to the device, slipmat 15 carries out anti-skidding shock attenuation to the device, increase the fixed stability of device, then, the output of terminal box 6 is connected to the input electrode of terminal box 6, the motor begins the operation, rotor 7 rotates under the effect of coil 16, flabellum 13 and the flabellum 14 that gives vent to anger follow the rotation, flabellum 13 that admits air absorbs the outside air through air intake net 12, external control gets into the inside of motor casing 1 through the filtration of the inside filter pulp of air intake box 8, cool off rotor 7, flabellum 14 that gives vent to anger rotates the hot-air of extracting motor casing 1 inside and passes through radiator-grid 9 effluvium, reach radiating effect, and the surface bleeder vent of motor casing 1, auxiliary device dispels the heat, finally, use is.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an outdoor motor rotor heat abstractor, includes motor casing (1), its characterized in that, one side surface joint of motor casing (1) has back casing (3), the opposite side surface joint of motor casing (1) has procapsid (2), the inside rotation of motor casing (1) is connected with pivot (5), the lower skin weld of motor casing (1) has backup pad (4), the last surface mounting of motor casing (1) has terminal box (6), the internal connection of procapsid (2) has second bearing (11), the internally mounted of back casing (3) has first bearing (10).

2. The outdoor motor rotor heat dissipation device of claim 1, wherein an air inlet box (8) is welded on one side of the front casing (2), an air inlet net (12) is welded on one side of the inside of the front casing (2), a rotor (7) is arranged on the outer surface of the rotating shaft (5), air inlet fan blades (13) are installed at the position, close to the rotor (7), of the outer surface of one end of the rotating shaft (5), air outlet fan blades (14) are installed at the position, close to the rotor (7), of the outer surface of the other end of the rotating shaft (5), and a heat dissipation net (9) is welded on the outer surface of one side of the rear casing (3).

3. The outdoor motor rotor heat sink according to claim 1, wherein a coil (16) is installed on the inner surface of the motor casing (1), a non-slip mat (15) is welded on the lower surface of the support plate (4), non-slip teeth (18) are formed on the lower surface of the non-slip mat (15), and fixing holes (17) are formed on the upper surface of the support plate (4).

4. The outdoor motor rotor heat dissipation device according to claim 1, wherein air holes are formed in the outer surface of the motor housing (1), one end of the rotating shaft (5) is rotatably connected with the front housing (2) through a second bearing (11), the other end of the rotating shaft (5) is rotatably connected with the rear housing (3) through a first bearing (10), and the motor housing (1), the front housing (2) and the rear housing (3) are all members made of an aluminum alloy material.

5. The outdoor motor rotor heat dissipation device as recited in claim 2, wherein the inside of the air inlet box (8) is filled with air inlet filter cotton, air holes are formed in the outer surface of the air inlet box (8), and the outer diameter of the rotor (7) is smaller than the inner diameter of the motor shell (1).

6. The heat dissipation device for the rotor of the outdoor motor as recited in claim 3, wherein the anti-slip mat (15) is a rubber member, the anti-slip teeth (18) are disposed on the lower surface of the anti-slip mat (15), and the anti-slip teeth (18) are disposed on the lower surface of the anti-slip mat (15) every five centimeters.