CN219103302U - Condensate water drainage structure, air conditioning unit and rail vehicle - Google Patents
Condensate water drainage structure, air conditioning unit and rail vehicle Download PDFInfo
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- CN219103302U CN219103302U CN202223269406.9U CN202223269406U CN219103302U CN 219103302 U CN219103302 U CN 219103302U CN 202223269406 U CN202223269406 U CN 202223269406U CN 219103302 U CN219103302 U CN 219103302U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model discloses a condensate water drainage structure, an air conditioning unit and a railway vehicle, wherein the condensate water drainage structure comprises a water receiving device and a drainage joint connected to the water receiving device; the water receiving device is provided with an inner cavity and is used for receiving condensed water of the air conditioning unit; the drainage joint is provided with a water inlet port communicated with the inner cavity and a drainage port communicated with the water inlet port; the water draining port is set outside the water receiving device and has polygonal inner wall section; the cross-sectional area of the drain joint gradually decreases from a first position of the drain joint, which is equal to or lower than a preset position of the water inlet port, to the drain port. Above-mentioned comdenstion water drainage structures through setting up drainage connector, rivers are full when rivers from the top down flow to the drainage port, reduces the content of ponding in the ponding air when rivers are discharged, destroys the tension of rivers through the inner wall cross-section that has the polygon shape to reduce rivers exhaust resistance, increase drainage speed, make rivers in time smoothly discharge.
Description
Technical Field
The utility model relates to the technical field of air conditioning equipment, in particular to a condensate water drainage structure applied to an air conditioning unit. In addition, the utility model also relates to an air conditioning unit comprising the condensate water drainage structure and a railway vehicle comprising the air conditioning unit.
Background
In order to make a vehicle have a good riding environment, rail transit vehicles are often provided with an on-vehicle air conditioning unit for controlling the air cooling and heating in the vehicle. The air conditioning unit is arranged on the roof of the car so as to send air conditioning air into the car, and the air conditioning unit can cool in summer and heat in winter. Many condensed water is generated during the operation of the air conditioning unit, and the condensed water is required to be discharged outside the air conditioning unit.
In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art:
in the prior art, condensed water is usually discharged through a drain pipe, the discharge port of the drain pipe is a circular port, and because the water discharge is needed to overcome the tension of water flow, under the condition that the water flow pressure and the caliber of a pipe orifice are certain, the area of the circular discharge port is large, the edge is smooth, the flow resistance of the water flow needs to be overcome, the flow speed of the water flow passing through the circular port pipeline is slower, the condensed water of the vehicle-mounted air conditioner is possibly not timely discharged, the damage is caused to the internal elements of the air conditioner, and water is also possibly leaked into a vehicle, so that the riding environment is influenced.
In summary, how to solve the problem of untimely drainage of condensed water is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide a condensed water drainage structure which can reduce the resistance of water flow drainage, increase the drainage speed, enable the water flow to be drained smoothly in time and prevent the condensed water from overflowing too much to damage the unit components.
Another object of the present utility model is to provide an air conditioning unit including the above condensate drain structure.
It is a further object of the present utility model to provide a rail vehicle comprising an air conditioning unit as described above.
In order to achieve the above object, the present utility model provides the following technical solutions:
in a first aspect, the present utility model provides a condensate drain structure comprising a water receiving device and a drain fitting connected to the water receiving device; the water receiving device is provided with an inner cavity and is used for receiving condensed water of the air conditioning unit; the drainage joint is provided with a water inlet port communicated with the inner cavity and a drainage port communicated with the water inlet port; the drainage port is arranged at the outer side of the water receiving device, and the section of the inner wall of the drainage port is polygonal; the cross-sectional area of the drain joint gradually decreases from a first position of the drain joint, which is a preset position equal to or lower than the water inlet port, to the drain port;
the condensed water is discharged to the outside through the inner cavity, the water inlet port and the water outlet port in sequence under the action of gravity.
In one embodiment, the drain connector is connected to the bottom of the water receiving device.
In one embodiment, the bottom of the water receiving device is provided with a step hole for accurately positioning and connecting the drainage joint;
the top highest position of the drainage joint is flush with the bottom lowest position of the inner cavity.
In one embodiment, the drain fitting is attached to a side wall of the water receiving device.
In an embodiment, a connecting piece is arranged between the side wall of the water receiving device and the drainage joint, and the inner cavity, the connecting piece, the water inlet port and the drainage port are sequentially communicated;
the lowest position of the bottom of the connecting piece and the water inlet port are flush with the lowest position of the bottom of the inner cavity.
In one embodiment, the inner bottom surface of the water receiving device is a plane;
or, the inner bottom surface of the water receiving device is an inclined surface with inclination.
In an embodiment, a seal is provided between the water receiving means and the drain fitting.
In one embodiment, the drain port is connected with a drain pipe for drainage.
In a second aspect, the present utility model provides an air conditioning unit, including a condensate drain structure, the condensate drain structure being any one of the condensate drain structures of the first aspect.
In a third aspect, the utility model provides a rail vehicle comprising an air conditioning unit, wherein the air conditioning unit is the air conditioning unit in the second aspect.
The water receiving device in the condensed water drainage structure provided by the utility model is provided with an inner cavity for receiving condensed water of an air conditioning unit, the water receiving device is connected with a drainage joint, and the drainage joint is communicated with the inner cavity so as to drain the condensed water; the drainage joint is provided with a water inlet port communicated with the inner cavity and a drainage port communicated with the water inlet port, and condensed water can be sequentially discharged to the outside through the communicated inner cavity, the water inlet port and the drainage port under the action of gravity; the drainage port is arranged on the outer side of the drainage joint, the section of the inner wall of the drainage port is polygonal, and when water flows through the section of the polygonal inner wall, the tension of the water flow is more easily damaged; the cross section area of the drainage joint gradually decreases from the first position of the drainage joint to the drainage port, the first position is a position which is equal to or lower than the water inlet port, namely, the drainage joint is in a structure form of big end down, under the condition of certain running water pressure, along with the fact that condensed water flows downwards from top to bottom, the contact area of the condensed water and the inner wall surface of the drainage joint gradually becomes smaller, the lower end space of the drainage joint is gradually filled, water flow at the drainage port is enabled to be full, the content of air in accumulated water during drainage of the water flow is reduced, the resistance of the water flow is reduced, the water flow is enabled to be drained rapidly and timely, and the phenomenon that excessive condensed water overflows from a water receiving device to damage a unit element is prevented.
The utility model also provides an air conditioning unit comprising the condensate water drainage structure and a rail vehicle comprising the air conditioning unit, and the air conditioning unit and the rail vehicle can prevent excessive condensate water from overflowing and damaging unit elements due to the condensate water drainage structure.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a condensate drain structure according to the present utility model;
FIG. 2 is a schematic drainage diagram of a condensate drainage structure according to the present utility model;
fig. 3 is another drainage schematic diagram of the condensate drainage structure provided by the utility model.
In fig. 1 to 3, reference numerals include:
the water receiving device 1, the water discharging joint 2, the connecting piece 3, the water inlet port 21, the water discharging port 22 and the inner wall section 221.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The core of the utility model is to provide a condensate water drainage structure which can reduce the water flow drainage resistance, increase the drainage speed, enable the condensate water of an air conditioning unit to be drained smoothly in time and prevent the condensate water from overflowing from the water receiving device 1 to damage the unit elements. Another core of the present utility model is to provide an air conditioning unit including the above condensate drain structure. A further core of the utility model is to provide a rail vehicle comprising an air conditioning unit as described above.
Referring to fig. 2, fig. 2 is a drainage schematic diagram of the condensate drainage structure provided by the present utility model. The condensed water drainage structure comprises a water receiving device 1 and a drainage joint 2, wherein the water receiving device 1 is a water collector or a water accumulation box.
In the working process of the air conditioning unit, a compressor works and heat exchange of the heat exchanger can generate a lot of condensed water, and the water collector or the water accumulation box is a mechanism for collecting the condensed water in the air conditioning unit, so that the collected condensed water can be drained outside the air conditioning unit or other places.
The water receiving device 1 is connected with the drainage joint 2, the drainage joint 2 is communicated with the inner cavity of the water receiving device 1, and condensed water in the water receiving device 1 can be timely discharged through the drainage joint 2. The drainage joint 2 is provided with a water inlet port 21 communicated with the inner cavity and a drainage port 22 communicated with the water inlet port 21, when condensate water received by the inner cavity reaches a negative pressure capable of breaking through the inner cavity, the condensate water can be sequentially discharged to the outside through the inner cavity, the water inlet port 21 and the drainage port 22 which are communicated under the action of gravity, and the water flow discharging direction is shown by an arrow in fig. 2.
The water receiving device 1 and the drainage connector 2 are preferably detachably connected, so that the maintenance is convenient, and the maintenance production cost is reduced.
Alternatively, the drain joint 2 and the water receiving device 1 may be welded.
Alternatively, the drain fitting 2 may be connected to the bottom or side wall of the water receiving device 1.
The drain port 22 is provided outside the water receiving device 1 and has a polygonal inner wall section 221.
The drain port 22 is a drain outlet of the drain connector 2, the inner wall section 221 of the drain port is polygonal, the inner wall section 221 adopts a polygonal structure with corners, when water flows to the bottom end of the drain connector 2, the water flows are filled, and the tension of the water is more easily damaged by the polygonal inner wall section 221, so that the water flows are timely and smoothly drained, and the damage to unit components caused by excessive overflow of condensed water in the water receiving device 1 is avoided.
The inner wall section 221 is preferably hexagonal in shape, but may be other polygonal shapes.
The cross-sectional area of the drain fitting 2 gradually decreases from a first position of the drain fitting 2, which is a preset position equal to or lower than the water inlet port 21, to the drain port 22.
Referring to fig. 2, the first position is a preset position equal to or lower than the water inlet 21, i.e. the height of the first position is lower than or equal to the height of the water inlet 21, i.e. the drain connector 2 is in a structure with a large top and a small bottom.
Under the condition of a certain flowing water pressure, along with the flowing of the condensed water from top to bottom, the contact area of the condensed water and the inner wall surface of the drainage joint 2 is gradually reduced, the lower end space of the drainage joint 2 is gradually filled, so that the water flow at the drainage port 22 is filled, the content of air in accumulated water during the drainage of the water flow is reduced, and the reverse string of the air flow from the drainage port 22 to the water receiving device 1 is prevented.
Alternatively, the drain connector 2 may be a round tube or a square tube.
The condensed water drainage structure is communicated with the drainage joint 2 through the inner cavity of the water receiving device 1, and the condensed water in the water receiving device 1 is drained; further, the drain joint 2 is provided with a water inlet port 21 communicated with the inner cavity and a drain port 22 communicated with the water inlet port 21, and condensed water can be sequentially discharged to the outside through the inner cavity, the water inlet port 21 and the drain port 22 which are communicated with each other under the action of gravity; the drain port 22 is arranged on the outer side of the drain joint 2, the inner wall section 221 of the drain port is polygonal, the sectional area of the drain joint 2 is gradually reduced from the first position of the drain joint 2 to the drain port 22, the first position is equal to or lower than the preset position of the water inlet port 21, namely, the drain joint 2 is in a structure form of big end up, under the condition that the flowing water pressure is constant, along with the flowing of the condensed water from top to bottom, the contact area between the condensed water and the inner wall surface of the drain joint 2 is gradually reduced, the lower end space of the drain joint 2 is gradually filled, so that the water flow at the drain port 22 is filled, the content of air in accumulated water during the water flow discharge is reduced, and the water flow tension is easier to be damaged when the water flow flows to the polygonal inner wall section 221, the resistance of the water flow is reduced, the water flow is discharged quickly and timely, and excessive condensed water is prevented from overflowing from the water receiving device 1 to damage the unit elements.
On the basis of the above embodiment, the drain fitting 2 is connected to the bottom of the water receiving device 1.
Referring to fig. 2, the drain connector 2 is disposed at the bottom of the water receiving device 1, and condensed water in the inner cavity of the water receiving device 1 can be directly drained from the drain port 22 in time by being connected with the drain connector 2 and overcoming negative pressure of water flow by self gravity.
Alternatively, the drain connector 2 may be fixedly installed at the middle, edge or any other position of the lower bottom surface of the water receiving device 1.
On the basis of any one of the embodiments, the bottom of the water receiving device 1 is provided with a step hole for accurately positioning and connecting the drainage joint 2; the top highest position of the drainage connector 2 is flush with the bottom lowest position of the inner cavity.
Referring to fig. 2 specifically, the inner wall of the water receiving device 1 has a certain thickness, and the drain connector 2 is inserted into the stepped hole below the water receiving device 1, i.e. the drain connector 2 can be inserted into the water receiving device 1.
After the processing is completed, the end face of the drain connector 2 needs to be flush with the lowest position of the bottom of the inner cavity of the water receiving device 1.
The highest position of the top of the drainage joint 2 is flush with the lowest position of the bottom of the inner cavity, so that the level of condensed water in the inner cavity of the water receiving device 1 can be guaranteed to be always higher than the drainage level of the drainage joint 2, the negative pressure is overcome through the height difference, the condensed water is smoothly discharged, and the water level in the water receiving device 1 is guaranteed to be a safe water level.
On the basis of any of the above embodiments, the drain fitting 2 is attached to the side wall of the water receiving device 1.
Referring to fig. 3, fig. 3 is another drainage schematic diagram of the condensate drainage structure. The drain connector 2 can be connected to any side wall of the water receiving device 1 to meet the requirements of different installation conditions.
Alternatively, the drain connector 2 may be manufactured as a connector having a curved line to achieve connection with the side wall of the water receiving device 1, or a separate connection member may be provided between the drain connector 2 and the water receiving device 1 to achieve connection.
On the basis of any one of the embodiments, a connecting piece 3 is arranged between the side wall of the water receiving device 1 and the drainage joint 2, and the inner cavity, the connecting piece 3, the water inlet port 21 and the drainage port 22 are sequentially communicated; the lowest position of the bottom of the connecting piece 3 and the water inlet port 21 are flush with the lowest position of the bottom of the inner cavity.
The connecting piece 3 is a tubular piece, and the side wall of the water receiving device 1 is provided with a communication hole which is communicated with the connecting piece 3, and the communication hole can be as large as possible so as to ensure that condensed water smoothly and timely flows into the connecting piece 3.
The water receiving device 1, the drainage connector 2 and the connecting piece 3 are detachably connected, so that the water receiving device is convenient to detach and the production cost is reduced.
The inner cavity, the connecting piece 3, the water inlet port 21 and the water outlet port 22 are sequentially communicated to realize that condensed water in the water receiving device 1 flows out from the side wall, and is discharged to the outside through the connecting piece 3, the water inlet port 21 and the water outlet port 22, and the water outlet process is shown as an arrow direction in fig. 3.
The bottom lowest position of connecting piece 3, inlet port 21 all flush with the bottom lowest position of inner chamber, and the bottom lowest position of connecting piece 3 flushes with inlet port 21 promptly, and the horizontal plane height of comdenstion water in the water receiving device 1 can be guaranteed to the hookup location of three always to be higher than the drainage plane height that drainage connects 2, guarantees the safe water level in the water receiving device 1, makes comdenstion water discharge in time smooth and easy, avoids comdenstion water too much to spill over water receiving device 1 and damages the unit.
On the basis of any one of the above embodiments, the inner bottom surface of the water receiving device 1 is a plane; alternatively, the inner bottom surface of the water receiving device 1 is a flat surface having an inclination.
The inner bottom surface of the water receiving device 1 is the inner bottom surface of the inner cavity.
The inner cavity of the water receiving device 1 is a plane or a plane with inclination, and the water discharging connector 2 is connected with the bottom surface of the inner cavity, so that the water level of condensed water in the water receiving device 1 is always higher than the water discharging plane of the water discharging connector 2, the negative pressure is overcome through the height difference, the condensed water is discharged smoothly, and the water level in the water receiving device 1 is ensured to be a safe water level.
In contrast, if the inner bottom surface of the water receiving device 1 is a plane, the drain connector 2 can be connected to the center or edge of the inner bottom surface of the inner cavity, so that the level of the condensed water in the water receiving device 1 can be ensured to be always higher than the drain plane of the drain connector 2.
If the inner bottom surface of the water receiving device 1 is a plane having an inclination, it is necessary to ensure that the lowest point of the inner bottom surface is connected to the drain joint 2.
On the basis of any of the above embodiments, a seal is provided between the water receiving means 1 and the drain fitting 2.
In order to ensure the tightness of the condensed water discharging process and avoid air mixing, a sealing element which can be a sealing ring or vacuum grease is arranged in a gap between the water receiving device 1 and the water discharging joint 2, and the sealing element can be made of special waterproof materials or other composite materials.
On the basis of any of the above embodiments, a drain pipe for drainage is connected to the drain port 22.
The condensed water generated by the air conditioning unit is required to be discharged outside the machine, and the drainage joint 2 is connected with a drainage pipeline through the elbow joint, so that the condensed water can be drained outside the machine or in other places in a drainage way.
Alternatively, the drain pipe may be a flexible hose or a plastic pipe.
The condensed water drainage structure receives condensed water generated by an air conditioner through a water receiving device 1 connected to the lower end of an air conditioner external unit, and discharges the condensed water in the inner cavity of the water receiving device 1 through a drainage joint 2 and a drainage pipeline. Wherein, the drainage joint 2 is big-end-up's structure, can make the rivers of drainage port 22 department full of, reduces the content of ponding in the air when rivers are discharged, destroys the tension of rivers through the inner wall section 221 that has the polygon shape to reduce rivers exhaust resistance, increase the whole drainage rate of air conditioning unit, make the comdenstion water of air conditioning unit discharge smoothly in time, promote the holistic competitiveness of air conditioning unit, can satisfy the requirement of more adverse conditions.
In addition to the condensate drain structure, the utility model also provides an air conditioning unit comprising the condensate drain structure disclosed in the embodiment, and the air conditioning unit has the same technical effects as the condensate drain structure.
In addition to the air conditioning unit, the present utility model further provides a rail vehicle including the air conditioning unit, and the structure of other parts of the rail vehicle is referred to the prior art, and will not be repeated herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The condensed water drainage structure, the air conditioning unit and the railway vehicle provided by the utility model are described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The condensate water drainage structure is characterized by comprising a water receiving device (1) and a drainage joint (2) connected to the water receiving device (1); the water receiving device (1) is provided with an inner cavity and is used for receiving condensed water of an air conditioning unit; the drainage joint (2) is provided with a water inlet port (21) communicated with the inner cavity and a drainage port (22) communicated with the water inlet port (21); the water discharge port (22) is arranged at the outer side of the water receiving device (1), and the inner wall section (221) of the water discharge port is polygonal; -the cross-sectional area of the drain fitting (2) gradually decreases from a first position of the drain fitting (2), which is a preset position equal to or lower than the water inlet port (21), to the drain port (22);
the condensed water is discharged to the outside through the inner cavity, the water inlet port (21) and the water outlet port (22) in sequence under the action of gravity.
2. Condensate draining structure according to claim 1, characterized in that the drain fitting (2) is connected to the bottom of the water receiving device (1).
3. The condensate water drainage structure according to claim 2, wherein the bottom of the water receiving device (1) is provided with a stepped hole for accurately positioning and connecting the drain joint (2);
the highest top position of the drainage joint (2) is flush with the lowest bottom position of the inner cavity.
4. Condensate drain structure according to claim 1, characterized in that the drain fitting (2) is connected to a side wall of the water receiving device (1).
5. The condensate water drainage structure according to claim 4, wherein a connecting piece (3) is arranged between the side wall of the water receiving device (1) and the drainage joint (2), and the inner cavity, the connecting piece (3), the water inlet port (21) and the drainage port (22) are sequentially communicated;
the lowest position of the bottom of the connecting piece (3) and the water inlet port (21) are flush with the lowest position of the bottom of the inner cavity.
6. The condensate water drainage structure of claim 3 or 5, wherein the inner bottom surface of the water receiving device (1) is planar;
or, the inner bottom surface of the water receiving device (1) is an inclined surface with inclination.
7. Condensate water drainage structure according to claim 6, characterized in that a seal is provided between the water receiving device (1) and the drain fitting (2).
8. Condensate drain structure according to claim 7, characterized in that the drain port (22) is connected with a drain pipe for drainage.
9. An air conditioning unit comprising a condensate drain structure, wherein the condensate drain structure is the condensate drain structure of any one of claims 1 to 8.
10. A rail vehicle comprising an air conditioning unit, characterized in that the air conditioning unit is an air conditioning unit according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269406.9U CN219103302U (en) | 2022-12-06 | 2022-12-06 | Condensate water drainage structure, air conditioning unit and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269406.9U CN219103302U (en) | 2022-12-06 | 2022-12-06 | Condensate water drainage structure, air conditioning unit and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219103302U true CN219103302U (en) | 2023-05-30 |
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ID=86459765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223269406.9U Active CN219103302U (en) | 2022-12-06 | 2022-12-06 | Condensate water drainage structure, air conditioning unit and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219103302U (en) |
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2022
- 2022-12-06 CN CN202223269406.9U patent/CN219103302U/en active Active
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