CN213228634U - Rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit - Google Patents
Rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit Download PDFInfo
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- CN213228634U CN213228634U CN202021727210.8U CN202021727210U CN213228634U CN 213228634 U CN213228634 U CN 213228634U CN 202021727210 U CN202021727210 U CN 202021727210U CN 213228634 U CN213228634 U CN 213228634U
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Abstract
The utility model relates to a rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit installs two water collector at indoor intracavity, and every water collector is connected with the comdenstion water drain pipe, two through two communicating pipes intercommunication between the water collector, two communicating pipes divide and establish at the both ends of water collector, and two comdenstion water drain pipes are the diagonal and arrange. The utility model discloses can ensure that the train is in climbing, downhill path or turn round stage comdenstion water and discharge smoothly, avoid taking place the ponding phenomenon, effectively solve the not smooth problem of downhill path stage drainage on the concentrated drainage air conditioner.
Description
Technical Field
The utility model belongs to the technical field of the rail vehicle air conditioner, in particular to rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit.
Background
The air conditioning unit of the rail train generally adopts a top-mounted installation mode, the air conditioning unit is installed above the roof, and the train can possibly encounter rain and snow weather in the ground running process, so that accumulated water is generated in an outdoor cavity of the air conditioning unit, meanwhile, a large amount of condensed water is generated when the air conditioning unit operates in a refrigerating mode, and the condensed water is collected by a water receiving disc below an evaporator. In order to ensure the normal operation of the air conditioning unit, rainwater or condensed water needs to be discharged in time.
At present, the drainage mode of the rail train mainly adopts a centralized drainage mode, condensed water generated by air conditioner refrigeration is collected in a water pan, a drain pipe is led out from the water pan and is drained to the outside of an air conditioner, and the drain pipe is generally arranged in the middle or at the end part of the water pan; rainwater generated in raining is discharged to the outside of the air conditioner through a rainwater drain pipe in the middle of the outdoor cavity, and the rainwater drain pipe is generally arranged in the middle or at the end of the outdoor cavity. The current centralized drainage structure has the following disadvantages: when the vehicle climbs the slope stage and turns, the air conditioner water collector and the outdoor cavity can have the ponding phenomenon because of the difference in height in one end, and ponding surpasss the high comdenstion water of water collector and can get into the guest room through the wind gap inside in the water collector, and the comdenstion water outlet has the risk of water explosion simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a rail vehicle air conditioning unit drainage structure, can effectively solve the not smooth problem of slope stage drainage on the concentrated drainage air conditioner, provides a rail vehicle air conditioning unit who installs this drainage structure simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a rail vehicle air conditioning unit drainage structure, installs two water collector at indoor intracavity, and every water collector is connected with the comdenstion water drain pipe, two through two communicating pipes intercommunication, two communicating pipes divide and establish at the both ends of water collector between the water collector, and two comdenstion water drain pipes are the diagonal and arrange.
Further, two communicating pipes are parallelly mounted between the two water receiving trays, and two ends of each communicating pipe are fixedly connected with the side walls of the water receiving trays.
Furthermore, the other end of the condensed water drain pipe is provided with an anti-explosion box which is fixed on a bottom plate of the indoor cavity and is connected to the outside of the air conditioning unit through a drain connecting pipe, and the inlet end of the drain connecting pipe is provided with a sinking water seal.
Furthermore, the top end of the drainage connecting pipe is welded and fixed on a bottom plate of the indoor cavity.
Further, the water seal is wholly cylindrical, the top is an installation part, the lower part is a water seal part, the installation part is fixedly connected with a bottom plate of the indoor cavity, and the water seal part is wholly inverted-cone-shaped and is configured into a structure which can be selectively opened and closed according to the pressure difference between the upper side and the lower side.
Further, the water seal portion comprises a plurality of independent open-close membrane flaps, the membrane flaps are closed to block the drainage connecting pipe when the lower side pressure is higher than the upper side pressure, and the membrane flaps are opened to open the drainage connecting pipe when the upper side pressure is higher than the lower side pressure.
Furthermore, the installation part is an inward-concave annular groove arranged on the outer surface of the top, the bottom plate of the indoor cavity extends into the annular installation edge towards the center direction of the drainage connecting pipe, and the installation edge is inserted into the annular groove to realize the fixed connection between the water seal and the bottom plate.
Furthermore, one or two sunken water collecting boxes are arranged on the bottom plate of the outdoor cavity and are connected with a drain pipe, and the two sunken water collecting boxes are arranged diagonally.
Furthermore, the top edge of the water collecting box is provided with an outward flange which is lapped on the bottom plate and is fixedly connected with the bottom plate in a welding way.
The utility model discloses another technical scheme is:
the air conditioning unit for the railway vehicle is characterized in that the air conditioning unit is provided with the drainage structure of the air conditioning unit for the railway vehicle.
To sum up, a rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit, compare with prior art, have following advantage:
(1) the utility model discloses utilize communicating pipe to communicate two water collector to arrange the comdenstion water drain pipe in diagonal position, ensure that the train discharges smoothly at climbing, downhill path or the stage comdenstion water that turns round, avoid taking place the ponding phenomenon, effectively solved and concentrated drainage air conditioner go up the not smooth problem of downhill path stage drainage.
(2) The utility model discloses a comdenstion water drainage takeover adopts the structure of preventing deep-fry water box and formula water seal that sinks, can prevent effectively that indoor intracavity negative pressure from producing deep-fry water phenomenon, guarantees that the comdenstion water discharges smoothly.
(3) The utility model discloses the outlet that outdoor intracavity rainwater was concentrated also adopts the catchment box structure of formula of sinking, can ensure that the outdoor intracavity portion of air conditioner can not produce the ponding phenomenon, ensures that the inside rainwater of air conditioner is got rid of smoothly.
Drawings
FIG. 1 is a schematic view of the indoor chamber drainage structure of the air conditioning unit of the present invention;
FIG. 2 is a schematic view of the structure of the indoor drainage end of the air conditioning unit of the present invention;
FIG. 3 is a schematic view of the water seal structure of the present invention;
fig. 4 is a schematic view of the drainage structure of the outdoor chamber of the present invention.
As shown in fig. 1 to 4, a water pan 1, a water pan 2, a condensed water drain pipe 3, a condensed water drain pipe 4, a communicating pipe 5, an anti-explosion water box 6, a water drain connecting pipe 7, a water seal 8, an installation part 8a, a water seal part 8b, a membrane valve 8c, an annular groove 9, an installation edge 10, a water collecting box 11 and a drain pipe 12.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, the present embodiment provides a drainage structure for an air conditioning unit of a railway vehicle, wherein an indoor cavity and an outdoor cavity are separated by a partition plate inside the air conditioning unit, an evaporator, an evaporation fan, an electric control box and the like are installed in the indoor cavity, and a compressor, a condenser, a condensation fan and the like are installed in the outdoor cavity. Two evaporators and two sets of evaporation fans are generally installed to the indoor chamber, and the water collector is all installed to the below of every evaporator, and the water collector is used for collecting the comdenstion water that the evaporator produced when the refrigeration operation. The water receiving plate is directly welded on the bottom plate of the air conditioning unit, and the utilization of the internal space of the air conditioner is facilitated.
In this embodiment, install two water collector at indoor intracavity, be water collector 1 and water collector 2 respectively, the one end of water collector 1 is connected with comdenstion water drain pipe 3, and the one end of water collector 2 is connected with comdenstion water drain pipe 4, communicates through two communicating pipes 5 between water collector 1 and water collector 2. Wherein, two communicating pipes 5 divide and establish at the both ends of water collector 1, 2, and two communicating pipes 5 parallel mount are between water collector 1, 2, and the both ends of communicating pipe 5 and the lateral wall welded fastening of water collector 1, 2 are connected.
In this embodiment, two condensate water drain pipes 3, 4 are diagonal and arrange, ensure that the train is at the stage of climbing, downhill path or turning round, make the comdenstion water flow in water collector 1 and water collector 2, ensure that the comdenstion water in water collector 1 and the water collector 2 all can discharge through the condensate water drain pipe 3 or 4 of at least one end, and then effectively avoid taking place the ponding phenomenon in the water collector, solve the unsmooth problem of water drainage of concentrated drainage air conditioner downhill path.
Two water outlets are arranged on the bottom plate of the indoor cavity, and condensed water drain pipes 3 and 4 are respectively connected with the water outlets and used for discharging condensed water out of the air conditioning unit. As shown in fig. 1 and 2, in the present embodiment, a water-explosion-proof box 6 is respectively installed at one end of each of the condensed water drain pipes 3 and 4 connected to the water drain port, the water-explosion-proof box 6 is welded and fixed to a bottom plate (not shown) of the indoor chamber, the water drain port is covered by the water-explosion-proof box 6, the water drain port is connected to the outside of the air conditioning unit through a water drain connection pipe 7, the top end of the water drain connection pipe 7 is welded and fixed to the bottom plate of the indoor chamber, and a sinking type water seal 8 is installed at the inlet end of the water drain connection pipe.
As shown in fig. 2 and 3, the water seal 8 is an integral rubber member, and has a cylindrical shape, a mounting portion 8a at the top and a water seal portion 8b at the bottom, the mounting portion 8a is fixedly connected to the bottom plate of the chamber cavity, and the water seal portion 8b has an inverted conical shape and is configured to be selectively opened and closed according to the pressure difference between the upper side and the lower side.
Wherein, installation department 8a is the inside sunken annular groove 9 that sets up at the top surface, and the bottom plate of indoor chamber stretches into annular installation limit 10 to the central direction of drainage takeover 7, and installation limit 10 relies on the elasticity of rubber spare to insert the fixed connection between realization water seal 8 and the bottom plate in the annular groove 9. Preferably, the diameter of the upper half part of the mounting part 8a is provided with a part extending outwards, so as to increase the overlapping area between the mounting part 8a and the bottom plate, ensure that the water seal 8 is mounted more firmly, and ensure the sealing performance between the mounting part 8a and the bottom plate.
The water seal part 8b is preferably composed of a plurality of openable petals 8c, for example, two, three or four petals 8c can be adopted, a straight-line-shaped, triangular or cross-shaped gap is formed between the petals 8c, a cylindrical barrel is further arranged on the outer side of each petal 8c to improve the main structural strength of the whole water seal 8, and the petals 8c extend from the barrel to the center. When no condensed water flows in the water seal 8, the pressure on the lower side of the water seal part 8b is higher than the pressure on the upper side because the indoor cavity is in a negative pressure state, and at the moment, the plurality of membrane flaps 8c are closed to block the drainage connecting pipe 7. When condensed water flows into the water seal 8 and the water pressure is enough to overcome the negative pressure, the pressure on the upper side of the water seal part 8b is greater than the pressure on the lower side, at the moment, the plurality of membrane flaps 8c are spread, the drainage connecting pipe 7 is opened, and the condensed water flows out of the drainage connecting pipe 7, so that the drainage of the condensed water is realized.
The condensate water that the air conditioner refrigeration operation produced collects in water collector 1, 2, through the condensate water drain pipe 3 of indoor chamber both ends, 4 outside the air conditioning unit, the condensate water collects the height low position condensate water drain pipe 3 or the condensate water drain pipe 4 outflow through communicating pipe 5 in the middle of water collector 1, 2 when the vehicle climbs the slope or turns, and the condensate water flows out the back and firstly gets into explosion-proof water box 6, opens water seal 8 again, from the drainage takeover 7 discharge. The water seal 8 is of a sinking structure, so that the water explosion phenomenon caused by negative pressure in the indoor cavity can be effectively prevented, condensed water is prevented from splashing into an air port of the air conditioning unit, and the smooth discharge of the condensed water can be ensured.
As shown in fig. 4, one or two sunken water collection boxes 11 are provided on the bottom plate of the outdoor chamber, and more preferably, the two sunken water collection boxes 11 are diagonally arranged. Two water outlets (not shown) are generally arranged in the outdoor cavity, in the embodiment, a sunken water collecting box 11 is preferably arranged at the position of each water outlet, the water collecting box 11 is connected with a water discharging pipe 12, and the other end of the water discharging pipe 12 is connected to the outside of the air conditioning unit. The top edge of the water collecting box 11 is provided with an outward flange which is lapped on the bottom plate and is fixedly connected with the bottom plate in a welding way.
When raining, rainwater entering the outdoor cavity through the condensation air inlet and the condensation air outlet firstly enters the water collecting box 11 and then flows out of the air conditioning unit through the drain pipe 12 to be discharged. When the vehicle climbs a slope or turns, rainwater can be collected in the water collecting box 11 at the low end of the height, and then is discharged through the drain pipe 12, so that the condition that water is accumulated in the outdoor cavity is effectively avoided, and the phenomenon that the rainwater in the outdoor cavity is shaken in disorder in the shell due to the accumulated water is avoided. In addition, the water outlet for collecting rainwater in the outdoor cavity also adopts a sinking type water collecting box structure, so that the phenomenon of water accumulation in the air conditioner outdoor cavity can be avoided, and the rainwater in the air conditioner can be smoothly discharged.
The utility model discloses still provide a rail vehicle air conditioning unit simultaneously, install as above on air conditioning unit drainage structures.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a rail vehicle air conditioning unit drainage structures installs two water collector at indoor intracavity, and every water collector is connected with comdenstion water drain pipe, its characterized in that: two be in communicate through two communicating pipes between the water collector, two communicating pipes divide and establish at the both ends of water collector, and two comdenstion water drain pipes are the diagonal and arrange.
2. The rail vehicle air conditioning unit drainage structure of claim 1, wherein: two communicating pipes are parallelly installed between two water receiving trays, and the both ends of communicating pipe are connected with the lateral wall fixed connection of water receiving tray.
3. The rail vehicle air conditioning unit drainage structure of claim 1, wherein: and the other end of the condensed water drain pipe is provided with an anti-explosion water box which is fixed on a bottom plate of the indoor cavity and is connected to the outside of the air conditioning unit through a drain connecting pipe, and the inlet end of the drain connecting pipe is provided with a sinking water seal.
4. The rail vehicle air conditioning unit drainage structure of claim 3, wherein: and the top end of the drainage connecting pipe is welded and fixed on a bottom plate of the indoor cavity.
5. The rail vehicle air conditioning unit drainage structure of claim 3, wherein: the water seal is integrally cylindrical, the top of the water seal is an installation part, the lower part of the water seal is a water seal part, the installation part is fixedly connected with a bottom plate of the indoor cavity, and the water seal part is integrally inverted conical and is configured into a structure which can be selectively opened and closed according to the pressure difference between the upper side and the lower side.
6. The rail vehicle air conditioning unit drainage structure of claim 5, wherein: the water seal part is composed of a plurality of openable membrane valves, the membrane valves are closed to block the drainage connecting pipe when the lower side pressure is higher than the upper side pressure, and the membrane valves are opened to open the drainage connecting pipe when the upper side pressure is higher than the lower side pressure.
7. The rail vehicle air conditioning unit drainage structure of claim 5, wherein: the installation department is the inside sunken annular groove that sets up at the top surface, and the bottom plate of indoor chamber stretches into annular installation limit to the central direction of drainage takeover, and the fixed connection between water seal and the bottom plate is realized to the installation limit in inserting annular groove.
8. The air conditioning unit drainage structure of the railway vehicle as claimed in any one of claims 1 to 7, wherein: one or two sunken water collecting boxes are arranged on the bottom plate of the outdoor cavity and are connected with a drain pipe, and the two sunken water collecting boxes are arranged in a diagonal line manner.
9. The rail vehicle air conditioning unit drainage structure of claim 8, wherein: the top edge of the water collecting box is provided with an outward flange which is lapped on the bottom plate and is fixedly connected with the bottom plate in a welding way.
10. A rail vehicle air conditioning unit which characterized in that: the rail vehicle air conditioning unit drainage structure as claimed in any one of claims 1 to 9 is adopted on the air conditioning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021727210.8U CN213228634U (en) | 2020-08-18 | 2020-08-18 | Rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021727210.8U CN213228634U (en) | 2020-08-18 | 2020-08-18 | Rail vehicle air conditioning unit drainage structures and rail vehicle air conditioning unit |
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| CN213228634U true CN213228634U (en) | 2021-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184866A1 (en) * | 2022-03-31 | 2023-10-05 | 广东海悟科技有限公司 | Box-type cooling unit |
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2020
- 2020-08-18 CN CN202021727210.8U patent/CN213228634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184866A1 (en) * | 2022-03-31 | 2023-10-05 | 广东海悟科技有限公司 | Box-type cooling unit |
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