CN110843834A - Fresh air leading-in device of rail train air conditioner and rail train air conditioner - Google Patents
Fresh air leading-in device of rail train air conditioner and rail train air conditioner Download PDFInfo
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- CN110843834A CN110843834A CN201911296155.3A CN201911296155A CN110843834A CN 110843834 A CN110843834 A CN 110843834A CN 201911296155 A CN201911296155 A CN 201911296155A CN 110843834 A CN110843834 A CN 110843834A
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- fresh air
- shielding plates
- shell
- wind shielding
- baffles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
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- Air-Conditioning For Vehicles (AREA)
Abstract
The embodiment of the invention discloses a fresh air leading-in device of a railway train and passenger train air conditioner, the device comprises a shell which is arranged below a condensing fan in a condensing cavity of a railway train air conditioner unit to form a fresh air leading-in channel, and the device is characterized by comprising: the fresh air inlet is connected with the fresh air inlet through a first fresh air introducing structure; wherein the first fresh air inlet is positioned on the side wall of the shell; the first fresh air introducing structure comprises a plurality of upper wind baffles and middle wind baffles which are arranged in a staggered and parallel mode, the upper wind baffles are located on the upper wall of the shell, the middle wind baffles are located on the side wall of the shell, and the lower edges of the upper wind baffles and the upper edges of the middle wind baffles are located on the same horizontal plane. The invention has the advantages of simple structure, good reliability, stability and durability.
Description
Technical Field
The invention relates to a fresh air leading-in device, in particular to a fresh air leading-in device of an air conditioner of a railway train passenger car and an air conditioner of the railway train.
Background
Most of the fresh air guide structures of the existing air conditioning unit of the rail train are that air inlets are directly formed in side plates of the unit, and corresponding elements such as a rainwater separator, a filter screen, an electric air valve and the like are arranged at the air inlets; and electric air valves are mostly arranged on the inner side of the air inlet unit, although the electric air valves are arranged on the inner side of the unit, the electric air valves are close to the air inlet, and the possibility that the electric motors of the air valves contact water is high, so that the service life of electric devices is influenced.
Disclosure of Invention
Based on this, for solving the not enough that exists at prior art, specially proposed a rail train passenger train air conditioner new trend gatherer, it has simple structure, and the good reliability is stable advantage such as durable.
The utility model provides a rail train passenger train air conditioner fresh air gatherer, the device include be arranged in the rail train air conditioning unit condensation intracavity condensation fan under in order to form the shell of fresh air gatherer, its characterized in that, the device includes: the fresh air inlet is connected with the fresh air inlet through a first fresh air introducing structure; wherein the first fresh air inlet is positioned on the side wall of the shell; the first fresh air introducing structure comprises a plurality of upper wind baffles and middle wind baffles which are arranged in a staggered and parallel mode, the upper wind baffles are located on the upper wall of the shell, the middle wind baffles are located on the bottom wall of the shell, and the lower edges of the upper wind baffles and the upper edges of the lower wind baffles are located on the same horizontal plane.
Optionally, in one embodiment, the first fresh air inlet has a first grating structure, so as to filter external impurities and block rainwater from entering the fresh air introducing passage through the first grating structure.
Optionally, in one embodiment, the first grid structure includes a plurality of first grid plates parallel to each other, and an inclination angle formed by each first grid plate and the side wall of the housing is smaller than 90 degrees to filter external impurities and block rainwater from entering the fresh air introducing channel.
Optionally, in one embodiment, the device further includes a second fresh air inlet located on the bottom wall of the housing and perpendicular to the first fresh air inlet.
Optionally, in one embodiment, the second fresh air inlet has a second grille structure, so as to filter external impurities and block rainwater from entering the fresh air introducing passage and directly discharge the entering rainwater at the same time.
Optionally, in one embodiment, the second grid structure includes a plurality of second grid plates parallel to each other, and each second grid plate forms an inclination angle with the bottom wall of the housing, which is smaller than 90 degrees.
Optionally, in one embodiment, a fresh air temperature sensor is disposed at an inlet of the electric fresh air valve, so as to adjust the opening and closing of the electric fresh air valve by monitoring the fresh air temperature, thereby adjusting the fresh air volume.
Optionally, in one embodiment, the first fresh air introducing structure may be replaced by a second fresh air introducing structure, where the second fresh air introducing structure includes a plurality of upper wind shields, middle wind shields and lower wind shields arranged in parallel and staggered with each other, the upper wind shields are located on the upper wall of the housing, the middle wind shields are located on the side wall of the housing, the lower wind shields are located on the bottom wall of the housing, lower edges of the upper wind shields and upper edges of the middle wind shields are located on the same horizontal plane, lower edges of the middle wind shields and upper edges of the lower wind shields are located on the same horizontal plane, and the middle wind shields and the lower wind shields are close to each other and leave a certain gap.
In addition, the invention also provides a railway train passenger train air conditioner which comprises the fresh air leading-in device.
The embodiment of the invention has the following beneficial effects:
according to the fresh air leading-in device of the air conditioner of the railway train and passenger car, the rainwater separator is omitted, and the grille structure is arranged at the inlet of the fresh air duct, so that sundries are primarily filtered, the airflow direction is stabilized, and the rain shielding effect is taken into consideration; and a fresh air introducing structure is arranged in the middle of the fresh air duct. Disturbing air flow through a fresh air introducing structure, enabling water drops entering an air channel to be adhered to a baffle plate to achieve a partial water removal effect, and finally placing an electric fresh air valve at the rear end of the fresh air channel to control fresh air to enter; therefore, the invention has the advantages of simple structure, good reliability, stability, durability and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a schematic structural diagram of an air conditioner fresh air introduction device of a railway train in one embodiment;
FIG. 2 is a schematic structural diagram of an air conditioner fresh air introduction device of a railway train passenger car in another embodiment;
FIG. 3 is a schematic view of the arrangement of the baffles of the second fresh air introduction structure in another embodiment;
in the figure:
1. condensation fan, 2, overhead gage, 3, lateral wall, 4, first new trend air inlet, 41, first grid board, 5, second new trend air inlet, 51, second grid board, 6, well baffle, 7, diapire, 8, electronic new trend blast gate, 9, upper wall, 10, new trend temperature sensor, 11, lower air shield.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application. The first and second elements are both elements, but they are not the same element.
In this embodiment, a rail train passenger train air conditioner fresh air introducing device is especially proposed, as shown in fig. 1 to 3, the device includes a housing disposed below a condensing fan in a condensing cavity of a rail train air conditioner unit to form a fresh air introducing channel, the device includes: the fresh air inlet 4, the fresh air introducing structure and the electric fresh air valve 8 are arranged in the air inlet; wherein the first fresh air inlet 4 is located on the housing side wall 3; the first fresh air introducing structure comprises a plurality of upper wind baffles 2 and middle wind baffles 6 which are arranged in parallel in a staggered mode, the upper wind baffles 2 are located on the upper wall 9 of the shell, the middle wind baffles 6 are located on the side wall 3 of the shell, and the lower edges of the upper wind baffles 2 and the upper edges of the lower wind baffles 6 are located on the same horizontal plane. The fresh air leading-in device is arranged below a condensing fan 1 in a condensing cavity of the air conditioning unit, the space below the condensing fan is fully utilized, a rainwater separator device is omitted, and the introduction of fresh air is realized through a grid of an air inlet and baffles staggered in the air duct; particularly, a grid structure is arranged at the inlet of the fresh air duct, so that sundries are primarily filtered, the direction of air flow is stabilized, and the rain shielding effect is taken into consideration; a fresh air introducing structure is arranged in the middle of the fresh air duct; the air flow is disturbed by introducing a structure through fresh air, water drops entering the air channel are adhered to the baffle plate to achieve the effect of partial water removal, and finally, the electric fresh air valve is placed at the rear end of the fresh air channel to control fresh air to enter. In addition, in this example, the first fresh air introducing structure includes three staggered baffles, specifically, an upper baffle 2 and two middle baffles 6, and the staggered arrangement of the baffles is to generate a turbulent flow of air passing through the baffles, so that heavy water drops and dust in the air can collide and adhere to the baffles, thereby achieving the effect of removing water.
In some specific embodiments, the first grille structure 41 is formed by a plurality of first grille plates 41 parallel to each other, and each first grille plate forms an inclination angle smaller than 90 degrees (for example, ∠ A) with the side wall 3 of the housing (the side wall with the first fresh air inlet 4 can also be defined as the front side wall of the housing, and the corresponding side wall adjacent to the fresh air valve is the rear side wall) to filter the external impurities and block the rainwater from entering the fresh air inlet channel, and the inclined plate is directly provided on the side wall to form a plurality of hollowed holes, which can prevent the rainwater from entering as much as possible.
In some specific embodiments, the device further comprises a second fresh air inlet 5 which is positioned on the bottom wall 7 of the housing and is perpendicular to the first fresh air inlet 2, in some more specific embodiments, the second fresh air inlet 5 has a second grid structure for filtering external impurities and blocking rainwater from entering the fresh air introducing channel and directly discharging the entering rainwater, the second grid structure comprises a plurality of second grid plates 51 which are parallel to each other, and each second grid plate forms an inclination angle (∠ B) of less than 90 degrees with the bottom wall of the housing, two fresh air inlets (two vertical and transverse inlet valves) which are perpendicular to each other are arranged at the air inlet, wherein the first grid plate in the vertical direction blocks most rainwater, and the rainwater can be discharged from the second grid structure in the horizontal direction of the bottom plate, and the second grid structure in the horizontal direction of the bottom plate can prevent rainwater from entering, thereby achieving the design purpose of preventing intrusion of impurities to a certain extent while stabilizing the airflow.
In some specific embodiments, a fresh air temperature sensor 10 (in this case, disposed on a middle damper plate close to the air valve) is disposed at an inlet of the electric fresh air valve, so as to adjust the opening and closing of the electric fresh air valve by monitoring the fresh air temperature, and further adjust the fresh air volume to adjust the supply air temperature of the passenger compartment air conditioner.
In some specific embodiments, the first fresh air introducing structure may be replaced by a second fresh air introducing structure, the second fresh air introducing structure includes a plurality of upper wind-shielding plates 2, two middle wind-shielding plates 6 and two lower wind-shielding plates 11, which are arranged in parallel and staggered with each other, the upper wind-shielding plates 2 are located on the housing upper wall 9, the middle wind-shielding plates 6 are located on the housing side walls 3, the lower wind-shielding plates 11 are located on the housing bottom wall 7, and the lower edges of the upper wind-shielding plates 2 and the upper edges of the middle wind-shielding plates 6 are located on the same horizontal plane, and the lower edges of the middle wind-shielding plates 6 and the upper edges of the lower wind-shielding plates 11 are located on the same horizontal plane, so that the middle wind-shielding plates 6 and the lower wind-shielding plates 11 are close to each other and leave a certain gap. In addition, the lengths of the wind shields of the first fresh air introducing structure and the second fresh air introducing structure can be set according to actual needs, and the longest length of the wind shields is less than or equal to the width of the first fresh air inlet. Therefore, the partition plates are arranged in a staggered mode, the possibility of rainwater entering is reduced, the upper boundary and the lower boundary of each wind shield are aligned respectively (the lower edge and the upper edge are located on the same horizontal plane), and a certain gap is formed between the middle wind shield and the lower wind shield, so that negative pressure can be prevented from being formed. In addition, each wind deflector has a flange structure, which is to increase the mechanical strength of the wind deflector.
In addition, the invention also provides a railway train passenger train air conditioner which comprises the fresh air leading-in device.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides a rail train passenger train air conditioner fresh air gatherer, the device include be arranged in the rail train air conditioning unit condensation intracavity condensation fan under in order to form the shell of fresh air gatherer, its characterized in that, the device includes: the fresh air inlet is connected with the fresh air inlet through a first fresh air introducing structure; wherein the first fresh air inlet is positioned on the side wall of the shell; the first fresh air introducing structure comprises a plurality of upper wind baffles and middle wind baffles which are arranged in a staggered and parallel mode, the upper wind baffles are located on the upper wall of the shell, the middle wind baffles are located on the side wall of the shell, and the lower edges of the upper wind baffles and the upper edges of the lower wind baffles are located on the same horizontal plane.
2. The apparatus according to claim 1, wherein the first fresh air inlet has a first grill structure to filter foreign materials and block rainwater from entering the fresh air introduction passage through the first grill structure.
3. The apparatus of claim 2, wherein the first grating structure comprises a plurality of first grating plates parallel to each other, and each of the first grating plates forms an inclination angle with the sidewall of the housing of less than 90 degrees to filter external impurities and block rainwater from entering the fresh air introducing passage.
4. The device of claim 2, further comprising a second fresh air inlet on the bottom wall of the housing and orthogonal to the first fresh air inlet.
5. The apparatus according to claim 4, wherein the second fresh air inlet has a second grill structure to filter external impurities and block rainwater from entering the fresh air introduction passage while directly discharging the entering rainwater.
6. The apparatus of claim 5, wherein the second grating structure comprises a plurality of second grating plates parallel to each other, and each second grating plate forms an inclination angle with the bottom wall of the housing of less than 90 degrees.
7. The device as claimed in claim 1, wherein a fresh air temperature sensor is arranged at the inlet of the electric fresh air valve to adjust the opening and closing of the electric fresh air valve by monitoring the fresh air temperature so as to adjust the fresh air volume.
8. The device of claim 1, wherein the first fresh air introducing structure can be replaced by a second fresh air introducing structure, the second fresh air introducing structure comprises a plurality of upper wind shielding plates, middle wind shielding plates and lower wind shielding plates which are arranged in parallel and staggered with each other, the upper wind shielding plates are arranged on the upper wall of the shell, the middle wind shielding plates are arranged on the side wall of the shell, the lower wind shielding plates are arranged on the bottom wall of the shell, the lower edges of the upper wind shielding plates and the upper edges of the middle wind shielding plates are arranged on the same horizontal plane, the lower edges of the middle wind shielding plates and the upper edges of the lower wind shielding plates are arranged on the same horizontal plane, and the middle wind shielding plates and the lower wind shielding plates are close to each other and are provided with certain gaps.
9. A railway train passenger car air conditioner, characterized in that, comprises the fresh air introducing device of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296155.3A CN110843834A (en) | 2019-12-16 | 2019-12-16 | Fresh air leading-in device of rail train air conditioner and rail train air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296155.3A CN110843834A (en) | 2019-12-16 | 2019-12-16 | Fresh air leading-in device of rail train air conditioner and rail train air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN110843834A true CN110843834A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911296155.3A Pending CN110843834A (en) | 2019-12-16 | 2019-12-16 | Fresh air leading-in device of rail train air conditioner and rail train air conditioner |
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| CN (1) | CN110843834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688739A (en) * | 2020-05-28 | 2020-09-22 | 中车青岛四方机车车辆股份有限公司 | External exhaust duct of railway vehicle and mounting method |
-
2019
- 2019-12-16 CN CN201911296155.3A patent/CN110843834A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688739A (en) * | 2020-05-28 | 2020-09-22 | 中车青岛四方机车车辆股份有限公司 | External exhaust duct of railway vehicle and mounting method |
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