CN218771566U

CN218771566U - Integrated motor shell

Info

Publication number: CN218771566U
Application number: CN202223411419.5U
Authority: CN
Inventors: 周礼凯
Original assignee: Ningbo Rongheng Metal Products Co ltd
Current assignee: Ningbo Rongheng Metal Products Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-03-28
Anticipated expiration: 2032-12-19

Abstract

The application discloses integral type motor casing, belong to motor technical field, a integral type motor casing for providing an adjustable rate of heat dissipation, including the restraint shell, the one end of restraint shell is provided with the go-between, the other end is provided with the turbofan shell, the go-between, the turbofan shell is with restraint shell formula structure as an organic whole and inside intercommunication, the inside spiral runner that has of lateral wall of restraint shell, the spiral runner is through the connection end structure and the external intercommunication of restraint shell lateral surface, the lower surface of restraint shell and go-between is provided with the backup pad, first screw hole has been seted up to the terminal surface that the restraint shell is located the turbofan shell, the third screw hole has been seted up to the terminal surface of go-between. This practicality is through the spiral runner structure for casing internal design and outside intercommunication for the motor can utilize the coolant liquid that flows to come the initiative when the heat production in a large number of high frequency work with higher speed casing heat dissipation, thereby balanced casing temperature makes it also can be in the long-time work of the temperature range of adaptation under the condition that exceeds rated power.

Description

Integrated motor shell

Technical Field

The application relates to the technical field of motors, in particular to an integrated motor shell.

Background

The motor includes stator and rotor structure, and the stator must have one to be the permanent magnet, another is the coil with the rotor, and the motor during operation rotor can be for the high-speed rotation of stator, in order to guarantee safety, need all retrain stator and rotor in shell structure, and current casing divide into the triplex usually: a main casing adds two end covers, and the motor during operation can constantly heat up because the heat effect casing of electric current, needs the casing to possess sufficient heat-sinking capability, but the heat dissipation mode that current casing adopted is for the surface add many heat dissipation muscle of casing, guarantees the heat dissipation through the mode that increases the casing surface area, but this kind of heat dissipation mode is more passive, and the radiating rate can only follow the temperature rise of casing and increase, therefore the motor can not surpass rated power and work for a long time, and the high power of motor during operation will be very narrow and short in the emergency needs.

Disclosure of Invention

An object of the application is to provide an integral type motor casing of adjustable rate of heat dissipation.

To achieve the above objects, the present application provides an integrated motor housing: including the restraint shell, the one end of restraint shell is provided with the go-between, the other end is provided with the turbofan shell, go-between, turbofan shell and restraint shell formula structure as an organic whole and inside intercommunication, the inside spiral runner that has of lateral wall of restraint shell, the spiral runner passes through the link structure and the external intercommunication of restraint shell lateral surface, the lower surface of restraint shell and go-between is provided with the backup pad, the restraint shell is located first screw hole has been seted up to the terminal surface in the turbofan shell, the third screw hole has been seted up to the terminal surface of go-between, the fourth screw hole has been seted up to the terminal surface of turbofan shell, utilize the bolt will with other structure fixed connection of casing complex.

Preferably, the inner wall of the connecting ring is provided with a flange, and the end face of the flange is provided with a channel penetrating through the constraint shell, so that air cooling can be realized through air flow.

Preferably, the connecting end structure of the lower surface of the constraining shell is an inlet end and is suitable for being communicated with one end of the spiral flow channel, and the connecting end structure of the upper surface of the constraining shell is an outlet end and is suitable for being communicated with the other end of the spiral flow channel to form a water cooling passage.

Preferably, the upper surface of the turbofan shell is provided with a junction box, the end surface of the junction box is communicated with the inside of the turbofan shell, and the side wall of the junction box, which is located outside the turbofan shell, is provided with a wire clamping groove for limiting a lead-out wire.

Preferably, the junction box is rectangular, and sixth threaded holes are formed in the upper surface of the junction box near four corners, so that an upper cover of the junction box is fixed to the open end of the junction box by using bolts to realize packaging.

As a preferred, heavy groove has been seted up to the lateral surface of whirlpool fan shell, the whirlpool fan shell is in the through-hole that link up the inner wall is seted up to the bottom surface of heavy groove, heavy groove has been seted up in the bottom surface and has been wound the connecting piece hole that the through-hole equidistance was arranged for the sensor structure of installation detection motor operating condition.

Preferably, two groups of the sinking groove structures are arranged on the turbofan shell, and the sinking groove structures are respectively provided with a temperature sensor and an airflow flow velocity sensor.

Preferably, the lower surface of the support plate is provided with a second threaded hole for fixedly connecting the whole housing to a mounting surface such as a frame, a platform, a bottom surface and the like by using a bolt.

Compared with the prior art, the beneficial effect of this application lies in:

(1) By designing the spiral flow channel structure communicated with the outside in the shell, when the motor generates a large amount of heat during high-frequency operation, the flowing cooling liquid can be used for actively accelerating the heat dissipation of the shell, so that the temperature of the shell is balanced, and the shell can work within an adaptive temperature range for a long time even if the temperature exceeds the rated power;

(2) The installation cavity of the turbofan is reserved for the shell, the channel through which air flow can pass is formed in the shell, the turbofan rotates along with the main shaft of the rotor, the air flow speed driven by the turbofan is increased when the rotating speed of the rotor is increased, the heat dissipation speed of the shell of the motor is increased adaptively, and the temperature of the shell can be maintained within an adaptive range actively when the non-super-frequency working water cooling system of the motor does not work.

Drawings

Fig. 1 is a perspective view of the integrated motor housing;

fig. 2 is a right end view of the integrated motor housing;

FIG. 3 isbase:Sub>A sectional plan view of the integrated motor housing taken along line A-A of FIG. 2;

FIG. 4 is a sectional plan view of the integrated motor housing taken along line B-B of FIG. 3;

figure 5 is a cross-sectional plan view of the integrated motor housing taken along line C-C of figure 2;

fig. 6 is a K-side partial view of the integrated motor housing of fig. 2;

fig. 7 is a partial cross-sectional view of the left end face of the integrated motor housing;

fig. 8 is a partial view of the integrated motor housing taken from the P-direction of fig. 7;

fig. 9 is a side partial sectional view of the integrated motor housing.

In the figure: 1. a constraining shell; 101. a first threaded hole; 102. a spiral flow channel; 2. a support plate; 201. a second threaded hole; 3. a connecting ring; 301. a third threaded hole; 4. a flange plate; 401. a channel; 5. a scroll casing; 501. a fourth threaded hole; 502. a through hole; 503. sinking a groove; 504. a connector hole; 6. a junction box; 601. a wire clamping groove; 602. a sixth threaded hole; 7. a connection end structure; 701. an entrance end; 702. and a discharge end.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The integrated motor shell as shown in fig. 1-9 includes a constraining shell 1 for accommodating a motor rotor, one end of the constraining shell 1 is provided with a connecting ring 3, the other end is provided with a turbofan shell 5, the connecting ring 3 is used for being connected with a motor end cover, the turbofan shell 5 accommodates a turbofan structure connected with a rotor spindle, the connecting ring 3, the turbofan shell 5 and the constraining shell 1 are integrated and internally communicated, because the side wall of the shell has a three-dimensional structure and needs to be formed once by adopting a material stacking technology, the inner wall of the connecting ring 3 is provided with a flange 4, the end surface of the flange 4 is provided with a channel 401 penetrating through the constraining shell 1, when the turbofan rotates, an air flow can absorb heat in the shell through the channel 401, the side wall of the constraining shell 1 is internally provided with a spiral flow channel 102, the spiral flow channel 102 is communicated with the outside through a connecting end structure 7 on the outer side surface of the constraining shell 1, normally, a liquid fluid is further cooled down the shell, the connecting end structure 7 on the lower surface of the constraining shell 1 is an inlet end 701, the connecting end structure is suitable for being communicated with one end of the spiral flow channel 102, the connecting end structure 7 on the upper surface of the constraining shell 1 is 702 suitable for being communicated with the other end of the spiral flow channel, and the spiral flow channel 102, thus, the cooling fluid can fully absorb heat in the spiral flow channel, and the cavity can be fully discharged from the spiral flow channel 102, thereby, and the cavity.

The upper surface of whirlpool fan shell 5 is provided with terminal box 6, various circuit of internally mounted and circuit board isotructure, the terminal surface of terminal box 6 and whirlpool fan shell 5's inside intercommunication, be convenient for circuit structure and inside rotor electric connection, terminal box 6 is located the lateral wall outside whirlpool fan shell 5 and has seted up card wire casing 601 for the power cord that the restraint was drawn, terminal box 6 is the rectangle, be close to four corners at the upper surface and seted up sixth screw hole 602, utilize the bolt can be with the open end of terminal box 6's last closing cap fixed connection.

The outer side surface of the turbofan shell 5 is provided with a sinking groove 503, the bottom surface of the turbofan shell 5 in the sinking groove 503 is provided with through holes 502 penetrating through the inner wall, the bottom surface of the sinking groove 503 is provided with connecting piece holes 504 equidistantly distributed around the through holes 502, and the sinking grooves 503 formed in the turbofan shell 5 are provided with two groups of structures, and the structures can be provided with temperature sensors for monitoring the working state of a motor and air flow speed driven by a turbofan.

The lower surfaces of the constraint shell 1 and the connection ring 3 are provided with the support plate 2, the whole motor shell is kept stable on the installation surface, the lower surface of the support plate 2 is provided with a second threaded hole 201, the support plate 2 and the installation surface are fixedly connected through bolts, the end surface of the constraint shell 1, which is positioned in the turbofan shell 5, is provided with a first threaded hole 101, the support structure of the turbofan is fixedly connected with the shell through bolts, the end surface of the connection ring 3 is provided with a third threaded hole 301, the motor end cover is fixedly connected with the shell through bolts, the end surface of the turbofan shell 5 is provided with a fourth threaded hole 501, and the turbofan cover is fixedly connected with the turbofan shell 5 through bolts.

The working principle is as follows: this integral type casing is except installing the rotor in inside, still can be at the synchronous turbofan structure of end connection of rotor, and the both ends of casing have the passageway 401 of intercommunication, the air current that the operation turbofan produced passes through, realize the air cooling, still have a spiral runner 102 in the casing simultaneously, do not communicate with passageway 401, only allow the coolant liquid to pass through, at the high-power during operation of motor, provide more efficient cooling effect, under general conditions, the air cooling effect that the turbofan drove just is enough to realize normal cooling when the motor normally works, only when the motor overload operation, just can start the water cooling system that is driven by the external cooling pump and cool down temporarily, can reduce the energy consumption as far as possible, can guarantee the safety of motor high frequency during operation again.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. An integral type motor casing which characterized in that: including restraint shell (1), the one end of restraint shell (1) is provided with go-between (3), the other end is provided with whirlpool fan shell (5), go-between (3), whirlpool fan shell (5) and restraint shell (1) formula structure as an organic whole and inside intercommunication, the inside spiral flow channel (102) that has of lateral wall of restraint shell (1), spiral flow channel (102) are passed through link structure (7) and the external intercommunication of restraint shell (1) lateral surface, the lower surface of restraint shell (1) and go-between (3) is provided with backup pad (2), restraint shell (1) is located first screw hole (101) have been seted up to the terminal surface in whirlpool fan shell (5), third screw hole (301) have been seted up to the terminal surface of go-between (3), fourth screw hole (501) have been seted up to the terminal surface of whirlpool shell (5).

2. The integrated motor housing according to claim 1, wherein: the inner wall of the connecting ring (3) is provided with a flange plate (4), and the end face of the flange plate (4) is provided with a channel (401) penetrating through the restraint shell (1).

3. The integrated motor housing of claim 2, wherein: the connecting end structure (7) on the lower surface of the restraint shell (1) is an inlet end (701) suitable for being communicated with one end of the spiral flow channel (102), and the connecting end structure (7) on the upper surface of the restraint shell (1) is an outlet end (702) suitable for being communicated with the other end of the spiral flow channel (102).

4. The integrated motor housing of claim 3, wherein: the upper surface of the volute casing (5) is provided with a junction box (6), the end face of the junction box (6) is communicated with the inside of the volute casing (5), and a wire clamping groove (601) is formed in the side wall, located outside the volute casing (5), of the junction box (6).

5. The integrated motor housing of claim 4, wherein: the junction box (6) is rectangular, and sixth threaded holes (602) are formed in the upper surface, close to four corners.

6. The integrated motor housing of claim 5, wherein: the outer side surface of the volute casing (5) is provided with a sinking groove (503), the volute casing (5) is provided with a through hole (502) penetrating through the inner wall on the bottom surface of the sinking groove (503), and the bottom surface of the sinking groove (503) is provided with connecting piece holes (504) distributed around the through hole (502) at equal intervals.

7. The integrated motor housing of claim 6, wherein: two sets of the sinking grooves (503) are formed in the volute casing (5).

8. The integrated motor housing according to any one of claims 1 to 7, wherein: and a second threaded hole (201) is formed in the lower surface of the support plate (2).