CN207490626U

CN207490626U - Motor and electric vehicle

Info

Publication number: CN207490626U
Application number: CN201721348019.0U
Authority: CN
Inventors: 张璐
Original assignee: Borgward Automotive China Co Ltd
Current assignee: Borgward Automotive China Co Ltd
Priority date: 2017-10-18
Filing date: 2017-10-18
Publication date: 2018-06-12
Anticipated expiration: 2027-10-18

Abstract

This disclosure relates to a kind of motor and electric vehicle, the motor includes casing (1) and mounted on the internal stator (2) of the casing (1), wherein, one of the peripheral surface of the stator (2) and the inner peripheral surface of the casing (1) are formed with multiple raised (3), and another one is formed with corresponds the multiple grooves (4) being connected with the multiple raised (3).In this way, being connected between stator and casing using male-female engagement, the contact area of the two is considerably increased so that conduct the area increase of heat, a large amount of heat is taken away, improves the heat-sinking capability of motor.

Description

Motor and electric vehicle

Technical field

This disclosure relates to motor cools down field of radiating, and in particular, to a kind of motor and electric vehicle.

Background technology

The power of electric vehicle is provided by driving motor, and therefore, the motor applied in electric vehicle needs higher Continuous power exports, and therefore, motor will generate more heat at work, this keeps lasting power output for motor Bring difficulty.In the prior art, in order to improve the heat-sinking capability of motor, it is typically employed in setting water cooling stream inside motor case Road, for water cooling runner mostly based on shaft orientation flowing channel and circumferential runner, stator transfers heat to casing, is dropped by the coolant flowed in casing Temperature.Wherein, shaft orientation flowing channel makes simple but the heat dissipation effect of motor is not obvious, and the heat dissipation effect of circumferential runner is opposite Preferably, but structural bearings are very complicated, manufacture not easy to be processed.

Utility model content

The purpose of the disclosure is to provide a kind of motor, which has preferable heat dissipation effect.

To achieve these goals, the disclosure provides a kind of motor, determines including casing and mounted on the casing internal Son, wherein, one of inner peripheral surface of the peripheral surface of the stator and the casing is formed with multiple protrusions, and another one is formed with The multiple grooves being connected are corresponded with the multiple protrusion.

Optionally, multiple protrusions connect successively surrounds the inner peripheral surface of the casing, correspondingly, multiple grooves according to It is secondary connect surround the peripheral surface of the stator.

Optionally, multiple protrusions and multiple grooves are circumferentially distributed, and each protrusion and each institute Groove is stated to axially extend.

Optionally, the protrusion and the groove are all formed as zigzag, and the stator is engaged on the casing.

Optionally, the cooling air channel of multiple circumferentially spaced arrangements is also formed between the casing and the stator, often A cooling air channel axially extends.

Optionally, the casing internal is provided with multiple water cooling runners set at equal intervals in an axial direction, each water cooling Runner axially extends, and the cooling air channel is arranged between the water cooling runner of adjacent two.

Optionally, the ratio of number of the quantity of the cooling air channel and the water cooling runner is 1:1.

Optionally, the peripheral surface of the inner peripheral surface of the casing and/or the stator is also formed with multiple circumferentially spaced points The ventilation groove of cloth, the air duct slot form the cooling air channel.

Optionally, the radial section of the ventilation groove is formed as half slot.

According to another aspect of the present disclosure, a kind of electric vehicle is also provided, including motor disclosed above.

The advantageous effect of this technology is：By male-female engagement being used to connect between stator and casing, increase the two Between contact area, in this way, heat-transfer surface just increases, so as to take away more heats by water cooling runner, reach The effect of fast cooling, and do not interfere with motor internal magnetic field and performance.

Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.

Description of the drawings

Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure, but do not form the limitation to the disclosure together.In the accompanying drawings：

Fig. 1 is the installation diagram of the casing that the disclosure provides and stator；

Fig. 2 is the vertical view of Fig. 1；

Fig. 3 is the structure chart for the stator that the disclosure provides；

Fig. 4 is the vertical view of Fig. 3；

Fig. 5 is the structure chart for the casing that the disclosure provides；

Fig. 6 is the vertical view of Fig. 5.

Reference sign

1 casing, 11 water cooling runner, 2 stator

35 cooling air channels of raised 4 groove

6 ventilation grooves

Specific embodiment

The specific embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the case where not making to illustrate on the contrary, the noun of locality such as " circumferential, axial " used is typically basis What the axis direction of motor defined；" inside and outside " refer to the profile of corresponding component it is inner and outer for.

As shown in Figures 1 to 6, the disclosure provides a kind of motor, determines including casing 1 and inside the casing 1 Son 2, wherein, one of the peripheral surface of stator 2 and the inner peripheral surface of casing 1 are formed with multiple raised 3, another one be formed with it is more A raised 3 correspond the multiple grooves 4 being connected.

Motor can generate a large amount of heat in long-term work, therefore, in order to improve heat dissipation effect, accelerate heat dissipation, at this In embodiment, connected between stator 2 and casing 1 using male-female engagement, increase contact area therebetween, in this way, heat Transmission area just increases, and so as to take away more heats, achievees the effect that fast cooling, and do not interfere with inside motor Magnetic field and performance.The setting of groove and protrusion reduces the part wall thickness of casing and stator simultaneously, can reduce motor sheet afterwards The weight of body.

Specifically, as shown in Figure 3 and Figure 5, in order to enable the contact area between stator 2 and casing 1 is maximum, in this implementation In mode, multiple raised 3 connect successively surrounds the inner peripheral surface of casing 1, and correspondingly, multiple grooves 4 connect successively surrounds stator 2 Peripheral surface.That is, the entire peripheral surface of stator 2 and the entire inner peripheral surface of casing 1 use male-female engagement entirely so that contact area is most Bigization accelerates the transmission of heat.

As shown in Figure 1, be manufactured for convenience, in the present embodiment, multiple raised 3 and multiple grooves 4 along week To distribution, and each protrusion 3 and each groove 4 axially extend.In other embodiments, protrusion 3 and groove 4 can also Using circumferentially, axial arranged structure, as long as the heat dissipation contact area between stator 2 and casing 1 can be increased.

As shown in Fig. 2, in the present embodiment, protrusion 3 and groove 4 are all formed as zigzag, and stator 2 is engaged to machine On shell 1.In this way, being intermeshed using jagged protrusion and groove, can effectively prevent mutually turning between stator and casing It is dynamic, it is connected firmly, and do not need to be further added by be keyed to ensure being bonded therebetween, saves part afterwards, drop Low weight, and assembling is simple firm.

In addition to this, in order to further improve heat dissipation effect, as shown in Figure 1, in the present embodiment, casing 1 and stator 2 Between be also formed with the cooling air channels 5 of multiple circumferentially spaced arrangements, each cooling air channel 5 axially extends.In this way, work as motor Under the state of running at high speed, the rotor in motor can drive internal gas flowing, by adding cooling air channel 5, Ke Yihe The gas flowed using gap between rotor and stator of reason, gas stream supercooling air duct 5 can further take away a part The heat of motor, so as to accelerate the heat dissipation of motor.

Specifically, in the present embodiment, casing 1 is internally provided with multiple water cooling runners being equidistantly spaced from an axial direction 11, in order to increase the heat dissipation effect of motor, above-mentioned water cooling runner 11 is often set inside casing 1, stator 2 transfers heat to machine Shell 1 is taken away heat by the coolant flowed in water cooling runner 11, and in the present embodiment, each water cooling runner 11 is along axis To extension, cooling air channel 5 is arranged between two adjacent water cooling runners 11.That is, water cooling runner 11 is axially extending runner, It is easy to manufacture, by the common cooperation of cooling air channel 5, water conservancy diversion is carried out for air when motor operates, auxiliary heat dissipation can To improve the heat dissipation of motor.Meanwhile the setting of cooling air channel 5 alleviates the weight of motor simultaneously.

In addition, in order to ensure the intensity of motor, cooling air channel 5 and water cooling runner 11 misplace arrangement radially, avoid making Obtain the thinner thickness of motor radially, the intensity of reduction itself.Also, in the present embodiment, cooling air channel 5 is circumferentially Maximum length it is identical with the spacing of two adjacent water cooling runners 11.In other embodiments, water cooling runner 11 equally may be used Think runner circumferentially, this disclosure is not restricted.

As shown in Fig. 2, in the present embodiment, the quantity of cooling air channel 5 is 1 with the ratio of number of water cooling runner 11:1. That is, a cooling air channel 5 can be set between each two water cooling air duct 11, the situation of intensity is gone in itself in guarantee motor Under, multiple cooling air channels can be flowed to by the air-flow of rotor rotation agitation, radiated to greatest extent with realizing.

As shown in Figure 4 and Figure 6, in the present embodiment, the peripheral surface of the inner peripheral surface of casing 1 and/or stator 2 is also formed with Multiple circumferentially spaced ventilation grooves 6, the ventilation groove 6 form cooling air channel 5.Specifically, in the present embodiment, The inner peripheral surface of casing 1 and the peripheral surface of stator 2 have been respectively formed on ventilation groove 6, can be arranged in a one-to-one correspondence the cloth that can also misplace It puts, as long as can ensure the circulation of gas.In other embodiments, it can select any one on casing 1 or stator 2 Person opens up ventilation groove 6, this disclosure is not restricted.Specifically, in the present embodiment, the radial section of ventilation groove 6 Be formed as half slot, be conducive to the guiding of air-flow, convenient for the circulation of air-flow, and as shown in Fig. 2, it is shape that two half slots, which merge, As cylinder groove, it is more conducive to the circulation of air-flow.

According to another aspect of the present disclosure, a kind of electric vehicle is also provided, which further includes according to disclosed above Motor.The motor has preferable heat-sinking capability, and service life is longer, it is ensured that electric vehicle normal work for a long time Make.

The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.

In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought should equally be considered as disclosure disclosure of that.

Claims

1. a kind of motor, including casing (1) and mounted on the internal stator (2) of the casing (1), which is characterized in that described fixed One of the peripheral surface of sub (2) and the inner peripheral surface of the casing (1) are formed with multiple raised (3), and another one is formed with and institute It states multiple raised (3) and corresponds the multiple grooves (4) being connected.

2. motor according to claim 1, which is characterized in that multiple described raised (3) and multiple grooves (4) equal edges It is circumferentially distributed, and each raised (3) and each groove (4) axially extend.

3. motor according to claim 1, which is characterized in that the protrusion (3) and the groove (4) are all formed as sawtooth The stator (2) is engaged on the casing (1) by shape.

4. motor according to claim 1, which is characterized in that multiple raised (3) connect successively surrounds the casing (1) inner peripheral surface, correspondingly, multiple grooves (4) connect successively surrounds the peripheral surface of the stator (2).

5. according to the motor described in any one in claim 1-4, which is characterized in that the casing (1) and the stator (2) Between be also formed with the cooling air channels (5) of multiple circumferentially spaced arrangements, each cooling air channel (5) axially extends.

6. motor according to claim 5, which is characterized in that the inner peripheral surface of the casing (1) and/or the stator (2) Peripheral surface be also formed with multiple circumferentially spaced ventilation grooves (6), which forms the cooling air channel (5)。

7. motor according to claim 6, which is characterized in that the radial section of the ventilation groove (6) is formed as semicircle Slot.

8. motor according to claim 5, which is characterized in that the casing (1) is internally provided between multiple grades in an axial direction Every the water cooling runner (11) of setting, each water cooling runner (11) axially extends, and the cooling air channel (5) is arranged on adjacent Two water cooling runners (11) between.

9. motor according to claim 8, which is characterized in that the quantity of the cooling air channel (5) and the water cooling runner (11) ratio of number is 1:1.

10. a kind of electric vehicle, which is characterized in that including the motor according to any one in claim 1-9.