CN215486702U - Condensation axial flow fan for train air conditioner - Google Patents
Condensation axial flow fan for train air conditioner Download PDFInfo
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- CN215486702U CN215486702U CN202121171595.9U CN202121171595U CN215486702U CN 215486702 U CN215486702 U CN 215486702U CN 202121171595 U CN202121171595 U CN 202121171595U CN 215486702 U CN215486702 U CN 215486702U
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Abstract
The utility model discloses a condensation axial flow fan for a train air conditioner, which comprises an air conditioner shell, an air cavity, an axial flow fan and two condensers, wherein the air cavity is formed by connecting a fan body and a fan cover; the axial flow fan comprises a fan shell, an air channel arranged inside the fan shell, a motor arranged in the air channel, a transmission shaft arranged at one end of the motor, a rectifying body sleeved on the transmission shaft, an impeller sleeved on the transmission shaft and positioned between the rectifying body and the motor, and a rectifying cover arranged at one end of the fan shell; the air inlet of the air channel can be guided through the rectifying body, and the direct impact of the air inlet of the air channel on the hub of the impeller is avoided, so that more kinetic energy of the air inlet can be converted into full pressure through the rotating motion of the rectifying body and the impeller, the air inlet condition of the air channel can be further perfected, and the full pressure efficiency of the axial flow fan is improved.
Description
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to a condensing axial flow fan for a train air conditioner.
Background
With the high-speed development of the rail transit field, the development of high-speed railways becomes a common trend of the world railway transportation development and is also a main mark of the railway technology modernization; with the improvement of the running speed of the train, particularly the running of a high-speed motor train unit with the speed of 350 kilometers per hour, the requirement on the internal comfort of the high-speed train is higher and higher, and the air conditioning system of the railway vehicle passenger car is greatly developed as an important component in the field of the track; however, the air inlet condition of the condensation axial flow fan for the train air conditioner in the prior art is poor, and the air inlet condition has no diversion effect, so that the air inlet of the axial flow fan can directly impact the hub of the impeller, more kinetic energy of the air inlet is changed into full pressure by the impeller, and the full pressure efficiency of the axial flow fan is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention aims to provide a condensing axial flow fan for a train air conditioner, which improves the air inlet condition of an air duct, prevents the air inlet of the air duct from directly impacting the hub of an impeller, and improves the full-pressure efficiency.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a condensation axial flow fan for a train air conditioner comprises an air conditioner shell, an air cavity arranged inside the air conditioner shell, an axial flow fan arranged on the air conditioner shell and communicated with the air cavity, and two condensers which are arranged on the air conditioner shell, communicated with the air cavity and respectively positioned at two sides of the axial flow fan; the method is characterized in that: the axial flow fan comprises a fan shell, an air channel, a motor, a transmission shaft, a rectifier, an impeller and a fairing, wherein the air channel is arranged inside the fan shell, is provided with openings at two ends and is communicated with the air cavity, the motor is arranged in the air channel, the transmission shaft is arranged at one end of the motor, the rectifier is arranged on the transmission shaft in a sleeved mode, the impeller is arranged on the transmission shaft and is positioned between the rectifier and the motor, and the fairing is arranged at one end of the fan shell and is positioned outside the air-conditioning shell.
Preferably, the air duct comprises a rectifying body, an impeller, a motor and a rectifying cover in sequence along the flowing direction of the wind in the air duct.
Preferably, a plurality of guide vanes which are distributed in the circumferential direction are fixedly connected to the outer wall of the motor, and the motor is fixedly connected with the inner wall of the air duct through the guide vanes.
Preferably, the rectifying body is provided in a hollow semi-spherical shape.
Preferably, the impeller comprises a hub sleeved with the transmission shaft, and a plurality of blades which are arranged on the outer wall of the hub and are circumferentially distributed.
Further, the fan blades are provided with five pieces.
Preferably, the fairing is a spiral sheet fairing.
Preferably, the middle of the air conditioner shell is provided with a first installation cavity communicated with the air cavity, and the axial flow fan is fixedly installed inside the first installation cavity.
Preferably, the two sides of the air conditioner shell are provided with second installation cavities which are communicated with the air cavity and are obliquely arranged, and the condenser is fixedly installed in the second installation cavities.
The technical effects of the utility model are mainly embodied as follows: the air inlet of wind channel can be guided through the rectifying body, avoid the wheel hub of the direct impact impeller of air inlet in wind channel, thereby make the rotary motion of rectifier and impeller can convert more kinetic energy of air inlet into full pressure, and then can perfect the air inlet condition in wind channel, improve axial fan's full pressure efficiency, and can also carry out the water conservancy diversion through spiral piece formula radome fairing and correct the processing to airing exhaust in wind channel, the second installation cavity and the condenser that set up through the slope can carry out the water conservancy diversion and correct the processing to the air inlet of air conditioner casing, thereby can avoid axial fan's high temperature gas outlet streamline and the normal atmospheric temperature entry air current streamline of condenser to intersect, and then can effectively reduce the probability that conventional rail train air conditioner condensation axial fan takes place the scattered wind phenomenon when the operation.
Drawings
FIG. 1 shows a condensing axial flow fan for a train air conditioner according to the present invention;
FIG. 2 is a schematic view of the air path of FIG. 1;
FIG. 3 is a schematic structural view of the air conditioning case of FIG. 1;
FIG. 4 is a schematic structural view of the axial flow fan of FIG. 1;
FIG. 5 is a schematic structural view of the impeller of FIG. 4;
FIG. 6 is a schematic view of the fairing of FIG. 4.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
A condensation axial flow fan for a train air conditioner is shown in figures 1-3 and comprises an air conditioner shell 1, an air cavity 2 arranged inside the air conditioner shell 1, an axial flow fan 3 arranged on the air conditioner shell 1 and communicated with the air cavity 2, and two condensers 4 arranged on the air conditioner shell 1, communicated with the air cavity 2 and respectively positioned at two sides of the axial flow fan 3. The middle part of the air conditioner shell 1 is provided with a first installation cavity 11 communicated with the air cavity 2, and the axial flow fan 3 is fixedly installed inside the first installation cavity 11. The both sides of air conditioner casing 1 are provided with wind chamber 2 intercommunication, and for the second installation cavity 12 of slope setting, condenser 4 fixed mounting is in the inside of second installation cavity 12. The second installation cavity 12 arranged in an inclined mode enables the condenser 4 to be installed on the air conditioner shell 1 in an inclined mode, so that the high-temperature air outlet streamline of the axial flow fan 3 of the normal-temperature inlet airflow streamline of the condenser 4 can be prevented from intersecting, and the probability of the air scattering phenomenon when the conventional rail train air conditioner condensation axial flow fan operates can be effectively reduced.
As shown in fig. 4 to 6, the axial flow fan 3 includes a fan housing 31, an air duct 32 provided inside the fan housing 31 and having openings at both ends and communicating with the air chamber 2, a motor 33 provided in the air duct 32, a transmission shaft 34 provided at one end of the motor 33, a rectifying body 35 fitted on the transmission shaft 34, an impeller 36 fitted on the transmission shaft 34 and located between the rectifying body 35 and the motor 33, and a cowling 37 provided at one end of the fan housing 31 and located outside the air conditioning housing 1. Along the flowing direction of wind in the wind channel 32, a rectifying body 35, an impeller 36, a motor 33 and a rectifying cover 37 are arranged in sequence. A plurality of guide vanes 331 distributed circumferentially are fixedly connected to the outer wall of the motor 33, and the motor 33 is fixedly connected to the inner wall of the air duct 2 through the guide vanes 331. The rectifying body 35 is provided in a hollow semi-spherical shape. The rectifying body 35 is formed in a hemispherical shape, so that the wind resistance caused by the rectifying body 35 in the air duct 32 can be reduced by utilizing the streamline shape of the hemispherical shape. The impeller 36 includes a hub 361 sleeved with the transmission shaft 34, and a plurality of blades 362 disposed on an outer wall of the hub 361 and distributed circumferentially. The fan blades 362 are provided with five pieces. The fairing 37 is a spiral sheet type fairing, and the spiral direction of the spiral sheet type fairing is opposite to the rotation direction of the airflow at the outlet of the impeller 7, so that the effect of weakening the rotation kinetic energy of the airflow at the outlet of the fan is achieved; and can also carry out the water conservancy diversion correction through the spiral piece formula radome fairing and handle airing exhaust, avoid axial fan 3's high temperature gas outlet streamline and condenser 4's normal atmospheric temperature entry air current streamline to appear crossing to can effectively reduce the probability that conventional rail train air conditioner condensation axial fan takes place the scattered wind phenomenon when the operation.
The working principle is as follows: the motor 33 is turned on, the motor 33 drives the rectifier 35 and the impeller 36 to rotate through the transmission shaft 34, the air inlet of the air duct 33 can be guided by the rectifier 35, the air inlet of the air duct 32 is prevented from directly impacting the hub 361 of the impeller 36, so that the rotational motion of the rectifying body 35 and the impeller 36 can convert more kinetic energy of the intake air into full pressure, thereby improving the air inlet condition of the air duct 32, improving the full pressure efficiency of the axial flow fan 3, reducing the noise of the axial flow fan 3, the spiral sheet type fairing can conduct the diversion correction treatment on the exhaust air of the air duct 32, the second mounting cavity 12 and the condenser 4 which are obliquely arranged can conduct the diversion correction treatment on the inlet air of the air conditioner shell 1, thereby avoiding the intersection of the high-temperature air outlet streamline of the axial flow fan 3 and the normal-temperature inlet airflow streamline of the condenser 4, and the probability of the air dispersion phenomenon of the conventional rail train air conditioner condensation axial flow fan during operation can be effectively reduced.
The technical effects of the utility model are mainly embodied as follows: the air inlet of wind channel can be guided through the rectifying body, avoid the wheel hub of the direct impact impeller of air inlet in wind channel, thereby make the rotary motion of rectifier and impeller can convert more kinetic energy of air inlet into full pressure, and then can perfect the air inlet condition in wind channel, improve axial fan's full pressure efficiency, and can also carry out the water conservancy diversion through spiral piece formula radome fairing and correct the processing to airing exhaust in wind channel, the second installation cavity and the condenser that set up through the slope can carry out the water conservancy diversion and correct the processing to the air inlet of air conditioner casing, thereby can avoid axial fan's high temperature gas outlet streamline and the normal atmospheric temperature entry air current streamline of condenser to intersect, and then can effectively reduce the probability that conventional rail train air conditioner condensation axial fan takes place the scattered wind phenomenon when the operation.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (9)
1. A condensation axial flow fan for a train air conditioner comprises an air conditioner shell, an air cavity arranged inside the air conditioner shell, an axial flow fan arranged on the air conditioner shell and communicated with the air cavity, and two condensers which are arranged on the air conditioner shell, communicated with the air cavity and respectively positioned at two sides of the axial flow fan; the method is characterized in that: the axial flow fan comprises a fan shell, an air channel, a motor, a transmission shaft, a rectifier, an impeller and a fairing, wherein the air channel is arranged inside the fan shell and communicated with the air cavity, the motor is arranged in the air channel, the transmission shaft is arranged at one end of the motor, the rectifier is arranged on the transmission shaft in a sleeved mode, the impeller is arranged on the transmission shaft in a sleeved mode and is located between the rectifier and the motor, and the fairing is arranged at one end of the fan shell.
2. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the air duct is provided with a rectifying body, an impeller, a motor and a rectifying cover in sequence along the flowing direction of the air duct.
3. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the outer wall of the motor is fixedly connected with a plurality of guide vanes, and the motor is fixedly connected with the inner wall of the air channel through the guide vanes.
4. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the rectifying body is arranged in a semi-spherical shape.
5. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the impeller comprises a hub and a plurality of fan blades arranged on the outer wall of the hub.
6. A condensing axial flow fan for a train air conditioner according to claim 5, characterized in that: the fan blade is provided with five pieces.
7. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the fairing is a spiral sheet type fairing.
8. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the middle part of the air conditioner shell is provided with a first installation cavity communicated with the air cavity, and the axial flow fan is fixedly installed inside the first installation cavity.
9. A condensing axial flow fan for a train air conditioner according to claim 1, characterized in that: the both sides of air conditioner casing are provided with the wind chamber intercommunication, and for the second installation cavity of slope setting, condenser fixed mounting is in the inside of second installation cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121171595.9U CN215486702U (en) | 2021-05-27 | 2021-05-27 | Condensation axial flow fan for train air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121171595.9U CN215486702U (en) | 2021-05-27 | 2021-05-27 | Condensation axial flow fan for train air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486702U true CN215486702U (en) | 2022-01-11 |
Family
ID=79780930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121171595.9U Active CN215486702U (en) | 2021-05-27 | 2021-05-27 | Condensation axial flow fan for train air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486702U (en) |
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2021
- 2021-05-27 CN CN202121171595.9U patent/CN215486702U/en active Active
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