New energy vehicle electronic water pump with efficient heat dissipation structure

Abstract

The utility model discloses a new energy vehicle electronic water pump with an efficient heat dissipation structure. The new energy vehicle electronic water pump aims to solve the problems that a traditional heat dissipation mode is simple in heat dissipation structure, single in heat dissipation form, low in heat dissipation efficiency and uneven in heat dissipation. According to the technical scheme, the new energy vehicle electronic water pump with the efficient heat dissipation structure is characterized by comprising a pump body, a machine shell is arranged on one side of the pump body, a motor is arranged in the machine shell, an output shaft of the motor penetrates through the machine shell and is in transmission connection with an impeller in the pump body, fan blades are arranged in the machine shell, and the output shaft of the motor is fixedly sleeved with the fan blades; a plurality of air cooling parts are evenly arranged on the machine shell in the circumferential direction, and each air cooling part comprises an air inlet and an air outlet. According to the new energy vehicle electronic water pump with the efficient heat dissipation structure, through the mode of combining air cooling and liquid cooling, the heat dissipation efficiency of the electronic water pump is remarkably improved, it is ensured that heat around a motor is evenly dissipated, and compared with a single heat dissipation mode, the heat dissipation effect is more remarkable.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field more specifically, it relates to a new energy vehicle electronic water pump with high -efficient heat dissipation structure. BACKGROUND

[0002] Electronic water pump is the key component in new energy automobile heat management system, is mainly used for driving cooling liquid circulation to ensure that battery, motor and electric control system and other key components work in the suitable temperature range, therefore its performance and reliability directly influence the running efficiency and safety of whole vehicle. Compared with the water pump system used in traditional fuel vehicle, the electronic water pump of new energy automobile faces more severe working environment and performance requirement.

[0003] The basic structure of water pump usually includes pump body, impeller installed in the interior of pump body and motor for driving fan blade on one side of pump body. During the operation of water pump, motor as power source, its interior will produce a large amount of heat due to the conversion of electric energy into mechanical energy, in order to prevent motor from overheating and burning, the motor needs to be cooled.

[0004] The traditional cooling mode often relies on simple fan air cooling, and the cooling structure is relatively simple, the cooling form is relatively single, and there are problems of low cooling efficiency, uneven cooling, etc. It is difficult to meet the rapid cooling requirement under high load working condition, and it is difficult to effectively guarantee the continuous and stable operation of electronic water pump. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims at providing a new energy vehicle electronic water pump with high -efficient heat dissipation structure, the cooling efficiency of electronic water pump is significantly improved through the combination of air cooling and liquid cooling, the uniform emission of heat around the motor is ensured, and the cooling effect is more remarkable compared with single cooling mode.

[0006] The above technical purpose of the utility model is realized through the following technical scheme: a new energy vehicle electronic water pump with high -efficient heat dissipation structure, including pump body, the side of pump body is provided with the casing, the casing is provided with motor, the output shaft of motor penetrates casing and is transmission connection with the impeller in pump body, the casing is provided with fan blade, the fan blade is fixedly sleeved on the output shaft of motor, the casing is uniformly provided with a plurality of air cooling parts around, a plurality of air cooling parts all include air inlet and air outlet, the air inlet is opened in the end of casing close to fan blade, the air outlet is opened in the end of casing away from fan blade, air cooling channel is formed between air inlet and air outlet;The outside of casing is provided with liquid cooling shell, the inner wall of liquid cooling shell and the outer wall of casing form liquid cooling channel, the both ends of liquid cooling shell are provided with liquid inlet and liquid outlet communicated with liquid cooling channel respectively.

[0007] The utility model further sets up: the air cooling part still includes first fairing, first fairing fixedly fits in the outside of casing and is located liquid cooling channel one side, first fairing is conical structure, and the first direction cover's big diameter end is towards pump body, the casing is set with the air inlet of the wind cooling channel intercommunication.

[0008] The utility model further sets up: the outside fixed sleeve of casing is equipped with second fairing, second fairing sets up at the side of air outlet far from air inlet, second fairing is conical structure, and the first direction cover's small diameter end is towards pump body.

[0009] The utility model further sets up: adjacent two air cooling channel all are provided with baffle, and one side of baffle is fixedly connected with the inner wall of casing.

[0010] The utility model further sets up: liquid cooling channel is helical extension.

[0011] Summarized above, the utility model has following beneficial effect:

[0012] Through the way of air cooling and liquid cooling combination, the heat dissipation efficiency of electronic water pump has been improved significantly, has guaranteed the even emission of motor around heat, compared with single heat dissipation mode, and the heat dissipation effect is more remarkable. DRAWINGS

[0013] Fig. 1 It is the whole structure cross section schematic drawing of the utility model;

[0014] Fig. 2 It is the distribution structure schematic drawing of air cooling channel and baffle of the utility model.

[0015] In the drawing: 1, pump body;2, casing;3, fan blade;4, air inlet;5, air outlet;6, air cooling channel;7, liquid cooling shell;8, liquid cooling channel;9, first fairing;10, air inlet;11, second fairing;12, baffle. SPECIFIC IMPLEMENTATION

[0016] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments, and it is explained that the embodiment of the application and the features in the embodiment can be combined mutually in the case of no conflict.

[0017] In the description of the utility model, it needs to be explained that, the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0018] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeve setting / connection", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] The utility model will be described in detail below with reference to the drawings.

[0020] Refer to Figs. 1-2 A new energy vehicle electronic water pump with high-efficiency heat dissipation structure, including pump body 1, one side of pump body 1 is fixedly provided with machine shell 2, motor is fixedly arranged in machine shell 2, the output shaft of motor penetrates machine shell 2 and is transmission connection with the impeller in pump body 1, the fan blade 3 is arranged in machine shell 2, the fan blade 3 is fixedly covered on the output shaft of motor, the machine shell 2 is uniformly provided with a plurality of air-cooled parts in circumference, a plurality of air-cooled parts all include air inlet 4 and air outlet 5, air inlet 4 is opened in one end of machine shell 2 close to fan blade 3, air outlet 5 is opened in one end of machine shell 2 away from fan blade 3, and air-cooled channel 6 is formed between air inlet 4 and air outlet 5;

[0021] The outer portion of the machine shell 2 is fixedly provided with a liquid cooling shell 7, and the inner wall of the liquid cooling shell 7 and the outer wall of the machine shell 2 form a liquid cooling channel 8. The liquid cooling shell 7 has an injection port and a liquid outlet opening at both ends, which are communicated with the liquid cooling channel 8.

[0022] In addition, the air-cooled part further includes a first flow guide cover 9, which is fixedly covered on the outer portion of the machine shell 2 and located on one side of the liquid cooling channel 8. The first flow guide cover 9 is in a conical structure, and the large-diameter end of the first flow guide cover faces the pump body 1. An air inlet opening 10 is formed on the machine shell 2 and communicated with the air-cooled channel 6, which helps to guide more external air to enter the air-cooled channel 6 efficiently through the air inlet opening 10, improves the air inlet efficiency of the air-cooled channel 6, enhances the air-cooled heat dissipation capacity, and further improves the overall heat dissipation effect. The conical structure of the first flow guide cover 9 makes the air flow more concentrated and smooth.

[0023] The second flow guide cover 11 is fixed on the outside of the casing 2, and is located on the side of the air outlet 5 away from the air inlet 4. The second flow guide cover 11 is in a conical structure, and the small-diameter end of the first flow guide cover faces the pump body 1, which helps to accelerate the discharge of hot air and reduces the retention of hot air around the casing 2, thereby enhancing the air exhaust capacity of the heat dissipation structure.

[0024] A flow baffle 12 is arranged between two adjacent air cooling channels 6. One side of the flow baffle 12 is fixedly connected to the inner wall of the casing 2. The flow baffle 12 can effectively guide and control the path of the airflow, avoid airflow turbulence, and enable the airflow entering from the air inlet 4 to flow out from the corresponding air outlet 5, so that the straight flow path can more quickly achieve heat dissipation, thereby improving the heat dissipation efficiency.

[0025] The liquid cooling channel 8 extends in a spiral shape. By designing the liquid cooling channel 8 in a spiral shape, the cooling liquid can cover a larger area of the outer surface of the motor when flowing through the liquid cooling channel 8, thereby further optimizing the liquid cooling heat dissipation effect and making the heat dissipation more efficient and uniform.

[0026] It can be understood that, in order to prevent dust outside the casing from entering the inside of the casing, a filter screen can be arranged at the air inlet 4, the air outlet 5, and the air inlet 10 for protection.

[0027] Working principle: When the water pump of the embodiment is working, the motor drives the impeller to rotate as a power source, and drives the fan blade 3 to rotate. When the fan blade 3 rotates, the cold air outside the casing 2 is sucked into the inside of the casing 2 from the air inlet 4, flows along the air cooling channel 6 to the air outlet 5, and is discharged, thereby taking away the heat around the motor. At the same time, cooling liquid is injected into the liquid cooling channel 8 through the liquid injection port, and the cooling liquid circulates in the liquid cooling channel 8, absorbs and takes away the heat generated by the motor, and finally flows out from the liquid outlet. Through the combination of air cooling and liquid cooling, the heat dissipation efficiency of the electronic water pump is significantly improved, the uniform dissipation of heat around the motor is ensured, and the heat dissipation effect is more significant compared with a single heat dissipation mode.

[0028] The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solutions falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principles of the present application shall also be considered as the protection scope of the present application.

Claims

1. A new energy vehicle electronic water pump with high-efficiency heat dissipation structure, comprising a pump body (1), a machine shell (2) is arranged on one side of the pump body (1), a motor is arranged in the machine shell (2), and an output shaft of the motor is in transmission connection with an impeller in the pump body (1) through the machine shell (2), characterized in that: The fan blade (3) is fixedly sleeved on the output shaft of the motor, and the shell (2) is uniformly provided with a plurality of air cooling parts in the circumferential direction, each of the air cooling parts comprises an air inlet (4) and an air outlet (5), the air inlet (4) is formed at one end of the shell (2) close to the fan blade (3), the air outlet (5) is formed at one end of the shell (2) away from the fan blade (3), and the air cooling channel (6) is formed between the air inlet (4) and the air outlet (5). ​ 2. The electronic water pump with high-efficiency heat dissipation structure for new energy vehicles according to claim 1, characterized in that: The air cooling part further comprises a first flow guide cover (9), the first flow guide cover (9) is fixedly sleeved on the outside of the shell (2) and located on one side of the liquid cooling channel (8), the first flow guide cover (9) is in a conical structure, and the large-diameter end of the first flow guide cover faces the pump body (1), and the shell (2) is provided with an air increasing port (10) communicated with the air cooling channel (6).

3. The electronic water pump with high-efficiency heat dissipation structure for new energy vehicles according to claim 1, characterized in that: The second flow guide cover (11) is fixedly sleeved on the outside of the shell (2), and the second flow guide cover (11) is arranged on the side of the air outlet (5) away from the air inlet (4), the second flow guide cover (11) is in a conical structure, and the small-diameter end of the first flow guide cover faces the pump body (1).

4. The electronic water pump with high-efficiency heat dissipation structure for new energy vehicles according to claim 1, characterized in that: Adjacent two air cooling channels (6) are provided with a flow baffle (12), one side of the flow baffle (12) is fixedly connected with the inner wall of the shell (2).

5. The electronic water pump with high-efficiency heat dissipation structure for new energy vehicles according to claim 1, characterized in that: The liquid cooling channel (8) extends in a spiral shape.

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