CN110978942A - A evaporation fan and passenger train air conditioning system for passenger train - Google Patents
A evaporation fan and passenger train air conditioning system for passenger train Download PDFInfo
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- CN110978942A CN110978942A CN201911067199.9A CN201911067199A CN110978942A CN 110978942 A CN110978942 A CN 110978942A CN 201911067199 A CN201911067199 A CN 201911067199A CN 110978942 A CN110978942 A CN 110978942A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/006—Noise reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an evaporation fan for a passenger car and a passenger car air conditioning system, and solves the problem of high air outlet noise of the evaporation fan and reduces noise reduction cost. The passenger car air conditioning system using the fan reduces the internal noise of the passenger car and improves the comfort level. The evaporation fan comprises a fan body and a guide plate, the guide plate is arranged at the air outlet of the fan body, the number of the air guide plates is multiple, and the air guide plates are uniformly arranged at intervals; when the guide plate is designed into an arc shape, air can be sent to the inside of the vehicle more favorably, the flowing resistance of air outlet is reduced, meanwhile, the air flows in a streamline shape in the arc-shaped channel, the disorder degree of the air outlet flow field is reduced, the air outlet noise is further reduced, the air noise caused by the blowing of the air flow at four positions is reduced, the noise is reduced, the utilization rate of the air flow is improved, and the cooling efficiency is improved; the air deflector can be recycled for a long time, is convenient to clean, and greatly reduces the use cost.
Description
Technical Field
The invention relates to the technical field of fan noise reduction, in particular to an evaporation fan for a passenger car and a passenger car air conditioning system.
Background
Modern new energy technology is in a high-speed development stage, wherein new energy passenger cars are the most representative products in the development process of modern cities. The passenger car air conditioning technology which is an important component of the new energy passenger car not only tests the endurance mileage of the new energy passenger car, but also puts forward more strict requirements on the comfort of passengers.
The air conditioning noise problem is most prominent in comfort requirements, and the noise source is mainly concentrated on an evaporation fan arranged in a vehicle. Theoretically, the noise of the fan is mainly related to factors such as the type of the fan blade, the rotating speed of the fan, the air volume and the like, so the design noise of the fan should be considered in the selection of the type of the air-conditioning fan.
Patent No. 201520585989.7 discloses a passenger train air conditioner return air grid with function of making an uproar falls in sound absorption, but this kind of structure is higher to the requirement of sound absorbing material, is unfavorable for the cleanness, unable cyclic utilization, and the cost is higher.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the evaporation fan for the passenger car, which solves the problem of high air outlet noise of the evaporation fan and reduces the noise reduction cost.
The invention also provides a passenger car air conditioning system, which reduces the internal noise of the passenger car and improves the comfort level.
In order to realize the purpose, the invention provides the following technical scheme:
the utility model provides an evaporation fan for passenger train, includes fan body and guide plate, the air outlet department of fan body is equipped with the guide plate, the quantity of aviation baffle is the polylith, and even interval sets up between the polylith aviation baffle.
Preferably, one end of each of the air deflectors is fixed on the corresponding support plate, the fan body is installed on the evaporation chamber chassis, the corresponding position of the chassis is provided with an air outlet, and the support plates are connected with the chassis through bolts.
Preferably, the air deflectors are of arc structures, and arc air ducts are formed between adjacent air deflectors.
Preferably, the arc lengths of the air deflectors are gradually increased, and the length difference of adjacent arc lengths is odd times of pi.
Preferably, the number of the air deflectors is 5.
Preferably, the air deflector is a metal plate.
Preferably, the air deflector is a stainless steel plate or an aluminum alloy plate.
Preferably, the inner wall of the air outlet of the fan body is provided with a sound-absorbing material.
Preferably, the sound-absorbing material is organic fiber, inorganic foam or foam plastic.
The passenger car air conditioning system comprises an air conditioner, wherein a fan is arranged in the air conditioner, and the fan is an evaporation fan for a passenger car.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the air deflector is arranged at the air outlet of the evaporation fan, the outgoing air flow runs according to the formed air channel, so that the air flow runs more orderly, the air deflector is designed into an arc shape, and is more favorable for sending air to the inner side of the vehicle, the air outlet flow resistance is reduced, meanwhile, the air flows in a streamline shape in the arc-shaped channel, the disorder degree of the air outlet flow field is reduced, the air outlet noise is further reduced, the air noise caused by the air flow blowing away everywhere is reduced, the noise is reduced, the utilization rate of the air flow is improved, and the cooling efficiency is improved; the air deflector can be recycled for a long time, is convenient to clean, and greatly reduces the use cost.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention.
In the figure: 1-a fan body; 2-bolt; 3-a chassis; 4-a flow guide plate; 5-a support plate; 6-sound absorbing material; 7-air conditioning.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, the first step is,
as shown in fig. 1, an evaporation fan for a passenger car comprises a fan body 1 and guide plates 4, wherein the guide plates 4 are arranged at the air outlet of the fan body 1, the air guide plates are arranged in a plurality of numbers, the air guide plates are uniformly spaced, are of an arc structure, and arc-shaped air channels are formed between the adjacent air guide plates. Thereby guiding the wind flow and playing a role in noise reduction.
The air deflector is arranged at the air outlet of the evaporation fan, the air flow coming out runs according to the formed air channel, the air flow runs more orderly, the air deflector 4 is designed into an arc shape, air is more favorably sent to the inner side of the vehicle, the flowing resistance of the air outlet is reduced, meanwhile, the air flows in a streamline form in the arc-shaped channel, the disorder degree of the air outlet flow field is reduced, the air outlet noise is further reduced, the air noise caused by the air flow blowing away everywhere is reduced, the noise is reduced, the utilization rate of the air flow is improved, and the cooling efficiency is improved.
In the second embodiment, the first embodiment of the method,
as shown in fig. 1, an evaporation fan for a passenger car comprises a fan body 1 and guide plates 4, wherein the guide plates 4 are arranged at the air outlet of the fan body 1, the air guide plates are arranged in a plurality of numbers, the air guide plates are uniformly spaced, are of an arc structure, and arc-shaped air channels are formed between the adjacent air guide plates. Thereby guiding the wind flow and playing a role in noise reduction.
On the basis of the first embodiment, in order to fix the air deflectors, one ends of the air deflectors are fixed on the supporting plate 5, the fan body is installed on the evaporation chamber chassis 3, the air outlet is formed in the corresponding position of the chassis 3, and the supporting plate 5 is connected with the chassis 3 through the bolts 2.
In the third embodiment, the first step is that,
as shown in fig. 1, an evaporation fan for a passenger car comprises a fan body 1 and guide plates 4, wherein the guide plates 4 are arranged at the air outlet of the fan body 1, the air guide plates are arranged in a plurality of numbers, the air guide plates are uniformly spaced, are of an arc structure, and arc-shaped air channels are formed between the adjacent air guide plates. Thereby guiding the wind flow and playing a role in noise reduction.
In order to fix the air deflectors, one ends of the air deflectors are fixed on a supporting plate 5, the fan body is installed on an evaporation chamber chassis 3, air outlets are formed in the corresponding positions of the chassis 3, and the supporting plate 5 is connected with the chassis 3 through bolts 2.
On the basis of the second embodiment, the arc lengths of the air guide plates are gradually increased, and the length difference of the adjacent arc lengths is odd times of pi.
In the fourth embodiment, the first step is that,
as shown in fig. 1, an evaporation fan for a passenger car comprises a fan body 1 and guide plates 4, wherein the guide plates 4 are arranged at the air outlet of the fan body 1, the air guide plates are arranged in a plurality of numbers, the air guide plates are uniformly spaced, are of an arc structure, and arc-shaped air channels are formed between the adjacent air guide plates. Thereby guiding the wind flow and playing a role in noise reduction.
In order to fix the air deflectors, one ends of the air deflectors are fixed on a supporting plate 5, the fan body is installed on an evaporation chamber chassis 3, air outlets are formed in the corresponding positions of the chassis 3, and the supporting plate 5 is connected with the chassis 3 through bolts 2.
The arc length of the air deflector is gradually increased, and the length difference of adjacent arc lengths is odd times of pi.
On the basis of the third embodiment, in the present embodiment, the number of the air deflectors is 5, so that a total of 4 noise elimination interference effects are generated, and noise reduction is realized.
In the fifth embodiment, the first step is,
as shown in fig. 1, an evaporation fan for a passenger car comprises a fan body 1 and guide plates 4, wherein the guide plates 4 are arranged at the air outlet of the fan body 1, the air guide plates are arranged in a plurality of numbers, the air guide plates are uniformly spaced, are of an arc structure, and arc-shaped air channels are formed between the adjacent air guide plates. Thereby guiding the wind flow and playing a role in noise reduction.
In order to fix the air deflectors, one ends of the air deflectors are fixed on a supporting plate 5, the fan body is installed on an evaporation chamber chassis 3, air outlets are formed in the corresponding positions of the chassis 3, and the supporting plate 5 is connected with the chassis 3 through bolts 2.
The arc length of the air deflector is gradually increased, and the length difference of adjacent arc lengths is odd times of pi.
In the embodiment, the number of the air deflectors is 5, so that 4 silencing interference effects are generated in total, and noise reduction is realized.
On the basis of the fourth embodiment, the air deflector is a metal plate, and the air deflector is a stainless steel plate or an aluminum alloy plate.
In the sixth embodiment, the process is carried out,
as shown in fig. 1, an evaporation fan for a passenger car comprises a fan body 1 and guide plates 4, wherein the guide plates 4 are arranged at the air outlet of the fan body 1, the air guide plates are arranged in a plurality of numbers, the air guide plates are uniformly spaced, are of an arc structure, and arc-shaped air channels are formed between the adjacent air guide plates. Thereby guiding the wind flow and playing a role in noise reduction.
In order to fix the air deflectors, one ends of the air deflectors are fixed on a supporting plate 5, the fan body is installed on an evaporation chamber chassis 3, air outlets are formed in the corresponding positions of the chassis 3, and the supporting plate 5 is connected with the chassis 3 through bolts 2.
The arc length of the air deflector is gradually increased, and the length difference of adjacent arc lengths is odd times of pi.
In the embodiment, the number of the air deflectors is 5, so that 4 silencing interference effects are generated in total, and noise reduction is realized.
The air guide plate is a metal plate and is a stainless steel plate or an aluminum alloy plate.
On the basis of the fifth embodiment, the inner wall of the air outlet of the fan body 1 is provided with the sound-absorbing material 6, and the sound-absorbing material 6 is organic fiber, inorganic foam or foam plastic.
In the seventh embodiment, the process is carried out,
with reference to the six embodiments, as shown in fig. 2, a passenger car air conditioning system includes an air conditioner 7, a fan is disposed in the air conditioner 7, and the fan is an evaporation fan for a passenger car according to the first embodiment.
As shown in fig. 1, the air conditioner is middle return air, the circulation mode of air-out of both sides, and the return air inlet design is two return air structures, inboard return air of car at first gets into the return air chamber through the return air inlet, wherein the lateral wall is pasted and is had the heat preservation cotton, reduce and carry out the heat exchange with the condensation side, indoor wind gets into the evaporating chamber after evaporimeter and low temperature refrigerant carry out abundant heat transfer, the evaporating chamber is sealed by the evaporation panel, prevent the air leakage, and the inboard pasting of panel has the heat preservation cotton, reduce and carry out the heat exchange with the outside environment, the air through cooling dehumidification is carried to the air-out chamber by evaporating fan, and send into inboard through the air outlet, thereby guarantee inboard air cycle of car.
The evaporation fan is fixed on the fan fixing base, the silencing material is installed on the inner wall of the fan fixing base, and preliminary noise reduction can be performed at the outlet of the fan by applying the porous sound absorption property of the silencing material.
The air subjected to preliminary noise reduction flows through the arc-shaped guide plate 4, the guide plate 4 is designed into an arc shape, air can be sent to the inner side of the vehicle, the air outlet flow resistance is reduced, meanwhile, the air flows in a streamline form in the arc-shaped channel, the disorder degree of an air outlet flow field is reduced, and the air outlet noise is further reduced.
The difference value of the lengths of the adjacent arcs of the designed arc-shaped guide plate 4 is odd times of pi, and according to the interference noise elimination principle, if the amplitudes of two rows of sound waves are the same, the two rows of sound waves can be completely counteracted with each other in a space area with the phase difference of the odd times of pi; the design adopts 5 circular arc guide plates 4, and odd-number times of difference of pi exists between every 2 guide plates 4 due to phase positions, so that 4 positions of noise elimination interference effect are generated totally, and noise reduction is realized again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an evaporation fan for passenger train which characterized in that: the air guide plate is arranged at the air outlet of the fan body, the air guide plates are arranged in multiple blocks, and the multiple air guide plates are arranged at equal intervals.
2. An evaporator fan for a passenger vehicle as set forth in claim 1, wherein: one end of each of the air deflectors is fixed on the corresponding support plate, the fan body is installed on the evaporation chamber chassis, air outlets are formed in the corresponding positions of the chassis, and the support plates are connected with the chassis through bolts.
3. An evaporator fan for a passenger vehicle as set forth in claim 1, wherein: the air deflectors are of arc structures, and arc air channels are formed between adjacent air deflectors.
4. An evaporator fan for a passenger vehicle as set forth in claim 3, wherein: the arc length of the air deflector is gradually increased, and the length difference of adjacent arc lengths is odd times of pi.
5. An evaporator fan for a passenger vehicle as set forth in claim 1, wherein: the number of the air deflectors is 5.
6. An evaporator fan for a passenger vehicle as set forth in claim 1, wherein: the air deflector is a metal plate.
7. An evaporator fan for a passenger vehicle as set forth in claim 6, wherein: the air deflector is a stainless steel plate or an aluminum alloy plate.
8. An evaporator fan for a passenger vehicle as set forth in claim 1, wherein: and the inner wall of the air outlet of the fan body is provided with a sound-absorbing material.
9. An evaporator fan for a passenger vehicle as set forth in claim 8, wherein: the sound absorption material is organic fiber, inorganic foam or foam plastic.
10. The utility model provides a passenger train air conditioning system, includes the air conditioner, be equipped with fan, its characterized in that in the air conditioner: the fan is an evaporation fan for a passenger car according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067199.9A CN110978942A (en) | 2019-11-04 | 2019-11-04 | A evaporation fan and passenger train air conditioning system for passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067199.9A CN110978942A (en) | 2019-11-04 | 2019-11-04 | A evaporation fan and passenger train air conditioning system for passenger train |
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| Publication Number | Publication Date |
|---|---|
| CN110978942A true CN110978942A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911067199.9A Pending CN110978942A (en) | 2019-11-04 | 2019-11-04 | A evaporation fan and passenger train air conditioning system for passenger train |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594442A (en) * | 2020-12-09 | 2021-04-02 | 天生桥二级水力发电有限公司 | Noise reduction sleeve and pressure reduction noise reduction valve |
| CN112594443A (en) * | 2020-12-09 | 2021-04-02 | 天生桥二级水力发电有限公司 | Fairing and pressure reducing valve |
-
2019
- 2019-11-04 CN CN201911067199.9A patent/CN110978942A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594442A (en) * | 2020-12-09 | 2021-04-02 | 天生桥二级水力发电有限公司 | Noise reduction sleeve and pressure reduction noise reduction valve |
| CN112594443A (en) * | 2020-12-09 | 2021-04-02 | 天生桥二级水力发电有限公司 | Fairing and pressure reducing valve |
| CN112594442B (en) * | 2020-12-09 | 2022-11-18 | 天生桥二级水力发电有限公司 | Noise reduction sleeve and pressure reduction noise reduction valve |
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