CN210724476U - Dual-cooling motor structure - Google Patents

Dual-cooling motor structure Download PDF

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Publication number
CN210724476U
CN210724476U CN201920541752.7U CN201920541752U CN210724476U CN 210724476 U CN210724476 U CN 210724476U CN 201920541752 U CN201920541752 U CN 201920541752U CN 210724476 U CN210724476 U CN 210724476U
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China
Prior art keywords
cooling water
casing
cooling
rotor
stator
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Expired - Fee Related
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CN201920541752.7U
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Chinese (zh)
Inventor
付多智
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Suzhou Boca Power System Technology Co ltd
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Individual
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Abstract

The utility model discloses a double-cooling motor structure in the technical field of new energy electric automobile motors, which comprises a casing, wherein cooling water pipes are respectively penetrated and inserted at the top and the bottom of the casing, a water channel is arranged on the casing of the casing, one ends of two groups of cooling water pipes are communicated with the inner cavity of the water channel, the other ends of the two groups of cooling water pipes are positioned outside the right side of the casing, a shaft is transversely penetrated and inserted in the center of the inner cavity of the casing, a rotor is sleeved at the center of the outer wall of the shaft, and a stator is sleeved at the outer wall of the rotor; the utility model directly cools the stator through the cooling water pipe, and cools the stator again through the water channel in the shell, thereby achieving the effect of double cooling; the cooling oil splashes along with the rotation of the rotor fan arranged on the rotor, and the heat on the winding is quickly transferred to the cooling water pipe and the machine shell, so that the quick and double cooling effects are achieved.

Description

Dual-cooling motor structure
Technical Field
The utility model relates to a new forms of energy electric automobile motor technical field, concretely relates to dual refrigerated motor structure.
Background
The modern motors adopt higher electromagnetic load to improve the utilization rate of materials, and the single-machine capacity of the motors is increased, so that the cooling system of the motors needs to be improved to improve the heat dissipation capacity of the motors. At present, most of motors adopt air cooling and water cooling structures, and are in indirect cooling structural modes. Most water cooled machine is the refrigerated structural style of shell water jacket, cools off the shell through the coolant liquid, cools off the inside stator part of motor through the shell. Stator punching part need welding or the mode of bolt fastening prevent not hard up of punching. Most of traditional water-cooled motors are formed by welding a stator core and then putting the stator core into a shell in a hot sleeve mode, and the shell is internally provided with a water path structure. The whole motor heat dissipation part conducts heat to the machine shell through the iron core, and then takes away the heat through cooling liquid in a cooling water channel inside the machine shell for heat dissipation. The stator is the source that generates heat, and the cooling is cooled off through the casing, so the efficiency of whole heat dissipation part is not high, does not play direct cooling's effect, does not play a fine cooling effect to the motor of working under the circumstances such as frequent start, overload. The iron core outside needs welding or other modes to be fixed, prevents the circumstances such as tip towards piece perk. Based on this, the utility model designs a dual cooling's motor structure to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual cooling's motor structure 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: a double-cooling motor structure comprises a casing, wherein cooling water pipes are respectively inserted and connected at the top and the bottom of the casing in a penetrating manner, a water channel is formed in the casing of the casing, one ends of two groups of cooling water pipes are respectively communicated with an inner cavity of the water channel, the other ends of the two groups of cooling water pipes are respectively positioned outside the right side of the casing, a shaft is transversely inserted and connected in the center of the inner cavity of the casing, a rotor is sleeved in the center of the outer wall of the shaft, a stator is sleeved on the outer wall of the rotor, the rotor and the stator are both positioned in the center of the inner cavity of the casing, the two groups of cooling water pipes respectively transversely penetrate through the top and the bottom of an iron core of the stator, fixing rings are respectively arranged at the top and the bottom of the left side and the right side of the stator, the fixing rings are welded with the inner wall of the casing, rotor fans are fixed to the top and the bottom of the left side and the right side of the rotor through bolts, an end cover is clamped to the right end of the casing, the inner side of the end cover is connected with the left ends of the two groups of cooling water pipes and the left end of the shaft respectively, cooling oil is filled in the bottom of the inner wall of the casing, and the bottom of the cooling oil submerges the top of the rotor fans.
Preferably, the casing left side of casing runs through the water course and has seted up the spread groove, condenser tube's outer wall is pegged graft with the inner chamber of spread groove and is extended to the inner chamber left side of water course, it has sealed glue to fill between spread groove and condenser tube's the relative inboard.
Preferably, the punching sheet part of the stator is fixed through the cooling water pipe and the fixing ring.
Preferably, a sealing ring is inserted between the inner wall of the right side of the end cover and the outer wall of the left side of the casing.
Preferably, the right end of the cooling water pipe at the top is a water inlet, and the right end of the cooling water pipe at the bottom is a water outlet.
Preferably, the water inlet and the water outlet are both provided with valves.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model fixes the end part of the stator by the interference press mounting of the fixing ring and the cooling water pipe, and does not need to weld and bolt the outside of the stator, thereby simplifying the production process and reducing the production cost and the cost of parts; the stator is directly cooled through the cooling water pipe, and then is cooled again through the water channel in the shell, so that the double cooling effect is achieved; the cooling oil splashes along with the rotation of the rotor fan arranged on the rotor, and the heat on the winding is quickly transferred to the cooling water pipe and the machine shell, so that the quick and double cooling effects are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-machine shell, 2-fixed ring, 3-cooling water pipe, 4-stator, 5-rotor, 6-shaft, 7-winding, 8-end cover, 9-rotor fan and 10-cooling oil.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a dual-cooling motor structure comprises a machine shell 1, cooling water pipes 3 are respectively inserted and connected at the top and the bottom of the machine shell 1 in a penetrating manner, a water channel is formed in a shell of the machine shell 1, one ends of two groups of cooling water pipes 3 are respectively communicated with an inner cavity of the water channel, the other ends of the two groups of cooling water pipes 3 are respectively positioned outside the right side of the machine shell 1, a shaft 6 is transversely inserted and connected in the center of an inner cavity of the machine shell 1, a rotor 5 is sleeved in the center of the outer wall of the shaft 6, a stator 4 is sleeved on the outer wall of the rotor 5, the rotor 5 and the stator 7 are both positioned in the center of the inner cavity of the machine shell 1, the two groups of cooling water pipes 3 respectively transversely penetrate through the top and the bottom of an iron core of the stator 4, fixing rings 2 are respectively arranged at the top and the bottom of the left side and the right side of, rotor 5's the left and right sides top and bottom all are fixed with rotor fan 9 through the bolt, and the right-hand member joint of casing 1 has end cover 8, and end cover 8's inboard is connected with the left end of two sets of condenser tube 3 and axle 6 respectively, and the inner wall bottom packing of casing 1 has coolant oil 10, and coolant oil 10 floods the top of bottom rotor fan 9.
Wherein, casing 1's casing left side is run through the water course and is seted up the spread groove, and condenser tube 3's outer wall is pegged graft with the inner chamber of spread groove and is extended to the inner chamber left side of water course, and it has sealed glue to fill between spread groove and condenser tube 3's the relative inboard.
The punching sheet part of the stator 4 is fixed through the cooling water pipe 3 and the fixing ring 2.
A sealing ring is inserted between the right inner wall of the end cover 8 and the left outer wall of the casing 1.
The right end of the top cooling water pipe 3 is a water inlet, and the right end of the bottom cooling water pipe 3 is a water outlet.
The water inlet and the water outlet are both provided with valves.
One specific application of this embodiment is: connect the cooling water through top condenser tube 3 and pour into the cooling water into the water course into, there is the dual cooling mode to the motor when the vehicle frequently starts, rotation when normal work through rotor 5, rotor fan 9 installed on rotor 5 also can drive coolant oil 10 and splash, and pass through coolant oil 10 with the heat on the winding 7 of stator 4 and transmit to condenser tube 3 and casing 1 on, and take away the heat rapidly through the coolant water in the water course of condenser tube 3 and casing 1, the rotational speed of motor work is higher, the cooling effect that coolant oil 10 splashes is better, use when being fit for the high-speed operation of vehicle.
The traditional shrink fit interference installation mode is adopted for the casing 1 and the stator 4, one end of the cooling water pipe 3 is connected with the water channel inside the casing 1, the other end of the cooling water pipe is communicated with the outside, the cooling water pipe 3 and the stator 4 are also in interference installation and are directly inserted into the iron core of the stator 4, the end part of the stator 4 is fixed through the fixed ring 2 and the cooling water pipe 3 in interference press fitting after installation, welding and bolt fixing are not needed to be carried out on the outside of the stator 4, the production process is simplified, and the production cost and the cost of parts are reduced.
When the motor works, cooling water enters the cooling water pipe 3 first and directly cools the stator 4, the stator 4 is cooled again through the shell 1, the dual cooling effects of direct cooling and indirect cooling are achieved, the motor can operate at a lower working temperature under the condition of the same motor structure, the service life of the motor is prolonged, and the working environment of the motor is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A dual-cooled motor structure, includes casing (1), its characterized in that: the cooling water pipe type air conditioner is characterized in that cooling water pipes (3) are respectively inserted into the top and the bottom of the machine shell (1) in a penetrating manner, a water channel is formed in the shell of the machine shell (1), one ends of the two groups of cooling water pipes (3) are respectively communicated with an inner cavity of the water channel, the other ends of the two groups of cooling water pipes (3) are respectively positioned outside the right side of the machine shell (1), a shaft (6) is transversely inserted into the center of the inner cavity of the machine shell (1) in a penetrating manner, a rotor (5) is sleeved in the center of the outer wall of the shaft (6), a stator (4) is sleeved on the outer wall of the rotor (5), the rotor (5) and the stator (4) are respectively positioned in the center of the inner cavity of the machine shell (1), the two groups of cooling water pipes (3) respectively transversely penetrate through the top and the bottom of an iron core of the stator (4), fixing rings (2) are respectively arranged on, the cooling water pipe (3) is inserted into the inner cavity of the fixing ring (2), the top and the bottom of the left side and the right side of the stator (4) are both provided with windings (7) through bolts, the top and the bottom of the left side and the right side of the rotor (5) are both provided with rotor fans (9) through bolts, the right end of the casing (1) is connected with an end cover (8), the inner side of the end cover (8) is connected with the left ends of the cooling water pipe (3) and the shaft (6) respectively, the bottom of the inner wall of the casing (1) is filled with cooling oil (10), the bottom of the cooling oil (10) is submerged in the top of the rotor fans (9), and a sealing ring is inserted between the inner wall of the right side of the end cover (8) and the outer wall of the left.
2. A dual-cooled electric machine structure according to claim 1, characterized in that: the casing left side of casing (1) is run through the water course and is seted up the spread groove, the outer wall of cooling water pipe (3) is pegged graft with the inner chamber of spread groove and is extended to the inner chamber left side of water course, it has sealed glue to fill between the relative inboard of spread groove and cooling water pipe (3).
3. A dual-cooled electric machine structure according to claim 1, characterized in that: and the punching sheet part of the stator (4) is fixed through the cooling water pipe (3) and the fixing ring (2).
4. A dual-cooled electric machine structure according to claim 1, characterized in that: the right end of the cooling water pipe (3) at the top is a water inlet, and the right end of the cooling water pipe (3) at the bottom is a water outlet.
5. A dual-cooled electric machine structure according to claim 4, characterized in that: and valves are arranged at the water inlet and the water outlet.
CN201920541752.7U 2019-04-20 2019-04-20 Dual-cooling motor structure Expired - Fee Related CN210724476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920541752.7U CN210724476U (en) 2019-04-20 2019-04-20 Dual-cooling motor structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920541752.7U CN210724476U (en) 2019-04-20 2019-04-20 Dual-cooling motor structure

Publications (1)

Publication Number Publication Date
CN210724476U true CN210724476U (en) 2020-06-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112421859A (en) * 2020-11-10 2021-02-26 电子科技大学中山学院 Supplementary radiating new energy automobile electricity system of driving
CN112615445A (en) * 2020-11-25 2021-04-06 华为技术有限公司 Motor, power assembly and equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112421859A (en) * 2020-11-10 2021-02-26 电子科技大学中山学院 Supplementary radiating new energy automobile electricity system of driving
CN112421859B (en) * 2020-11-10 2021-09-07 电子科技大学中山学院 Supplementary radiating new energy automobile electricity system of driving
CN112615445A (en) * 2020-11-25 2021-04-06 华为技术有限公司 Motor, power assembly and equipment

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GR01 Patent grant
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TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211011

Address after: 215000 tower a2-2f-202-37, Tengfei Innovation Park, No. 388, Xinping street, Suzhou Industrial Park, Jiangsu Province (cluster registration)

Patentee after: Suzhou Boca Power System Technology Co.,Ltd.

Address before: 518000 Yadi village, Kui Yong street, Longgang District, Shenzhen City, Guangdong Province

Patentee before: Fu Duo Zhi

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200609