CN212047350U - Indirect-direct evaporative cooling air conditioning unit suitable for train - Google Patents
Indirect-direct evaporative cooling air conditioning unit suitable for train Download PDFInfo
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- CN212047350U CN212047350U CN201922031660.7U CN201922031660U CN212047350U CN 212047350 U CN212047350 U CN 212047350U CN 201922031660 U CN201922031660 U CN 201922031660U CN 212047350 U CN212047350 U CN 212047350U
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- evaporative cooling
- indirect
- direct evaporative
- air conditioning
- conditioning unit
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Abstract
The utility model discloses an indirect-direct evaporative cooling air conditioning unit suitable for train, include at the fixed indirect-direct evaporative cooling air conditioning unit body in train carriage top, indirect-direct evaporative cooling air conditioning unit body bottom is seted up a plurality of roof supply-air outlets that lead to in the train carriage. The utility model discloses an indirect-direct evaporative cooling air conditioning unit suitable for train adopts direct-indirect two-stage evaporative cooling to handle, sends into the carriage with outside air handling to lower temperature, and whole unit energy consumption greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, a indirect-direct evaporative cooling air conditioning unit suitable for train is related to.
Background
In China, trains are the first choice for most people to go out, the existing train air conditioning units all adopt the traditional mechanical refrigerating units, but with the development of times accelerating, the problems of energy waste and environmental pollution are solved, free renewable energy in the nature is fully utilized, and the consumption of fossil energy is reduced, which becomes a problem concerned by people, and the evaporative cooling air conditioner perfectly realizes green, environmental protection and energy conservation, so that the evaporative cooling air conditioning unit applied to the trains is very important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an indirect-direct evaporative cooling air conditioning unit suitable for train adopts direct-indirect two-stage evaporative cooling to handle, sends into the carriage with outside air handling to lower temperature, and whole unit energy consumption greatly reduced.
The utility model adopts the technical scheme that an indirect-direct evaporative cooling air conditioning unit suitable for train, include at the fixed indirect-direct evaporative cooling air conditioning unit body in train carriage top, indirect-direct evaporative cooling air conditioning unit body bottom is seted up a plurality of roof supply-air outlets that lead to in the train carriage.
The utility model is also characterized in that,
the indirect-direct evaporative cooling air conditioning unit body comprises a unit shell, an upper refrigerating channel and a lower air supply channel are arranged in the unit shell, a fresh air inlet is formed in the position, corresponding to the upper refrigerating channel, of the windward side of the unit shell, a filter, an indirect evaporative cooling unit, a direct evaporative cooling unit, a water baffle, an air feeder and an air supply outlet a are sequentially arranged in the upper refrigerating channel according to the flow direction of fresh air, the air supply outlet a is communicated with the lower air supply channel, and the air supply outlet of a top plate is uniformly formed in the bottom of the unit shell corresponding to the lower air supply channel.
The indirect evaporative cooling unit comprises a plate-fin heat exchanger, a water distributor a, a secondary fan and a secondary air exhaust outlet are sequentially arranged above the plate-fin heat exchanger from bottom to top, a water collecting tank a is arranged below the plate-fin heat exchanger, the water collecting tank a is connected with the water distributor a through a circulating water pipe a, and the indirect evaporative cooling unit further comprises a secondary air inlet which is arranged on the side wall of the unit shell and corresponds to the position below the plate-fin heat exchanger 5.
The circulating water pipe a is provided with a circulating water pump a.
The circulating water pipe a is provided with a water filter a.
The direct evaporative cooling unit comprises a filler, a water distributor b is arranged above the filler, a water collecting tank b is arranged below the filler, and the water collecting tank b is connected with the water distributor b through a circulating water pipe b.
And a circulating water pump b is arranged on the circulating water pipe b.
The circulating water pipe b is provided with a water filter b.
At least two partition plates distributed along the length direction of the train carriage are uniformly arranged in the lower air supply channel.
The utility model has the advantages that:
(1) the utility model combines direct-indirect two-stage evaporation with the train, adopts direct-indirect two-stage evaporation cooling treatment, treats the outside air to a lower temperature and sends the treated outside air into the carriage, compared with the traditional mechanical refrigeration air conditioner, the energy consumption of the whole unit is greatly reduced, and the economy is higher;
(2) the water is used as the refrigerant, so that the environment is protected, and the brand new fan set is adopted, so that the quality of air in the train is good, and the comfort of a human body is good;
(3) the lower air supply channel is uniformly divided by the partition plate, and the air supply port of the top plate can realize uniform air supply.
Drawings
Fig. 1 is a schematic structural diagram of an indirect-direct evaporative cooling air conditioning unit suitable for a train according to the present invention;
FIG. 2 is a schematic structural diagram of an indirect-direct evaporative cooling air conditioning unit body in an indirect-direct evaporative cooling air conditioning unit suitable for a train according to the present invention;
fig. 3 is a sectional view of the indirect-direct evaporative cooling air conditioning unit body of the present invention taken along the line a-a.
In the figure, 1, a fresh air inlet, 2, a filter, 3, a circulating water pump a, 4, a circulating water pipe a, 5, a plate-fin heat exchanger, 6, a water distributor a, 7, a secondary air blower, 8, a secondary air exhaust outlet, 9, a water filter b, 10, a water collecting tank b, 11, a filler, 12, a water baffle, 13, a blower, 14, a top plate air supply outlet, 15, a partition board, 16, a train compartment, 17, an air supply outlet a, 18, a water collecting tank a, 19, a water filter a, 20, a water distributor b, 21, a circulating water pipe b, 22 and a circulating water pump b.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an indirect-direct evaporative cooling air conditioning unit suitable for train, its structure is shown in figure 1, include at the fixed indirect-direct evaporative cooling air conditioning unit body in railway carriage 16 top, indirect-direct evaporative cooling air conditioning unit body bottom is seted up a plurality of roof supply-air outlets 14 that lead to in railway carriage 16.
As shown in fig. 2, the indirect-direct evaporative cooling air conditioning unit body includes a unit casing, the unit casing is divided into an upper refrigeration channel and a lower air supply channel, a fresh air inlet 1 is arranged at a position corresponding to the upper refrigeration channel on the windward side of the unit casing, a filter 2, an indirect evaporative cooling unit, a direct evaporative cooling unit, a water baffle 12, an air blower 13 and an air supply outlet a17 are sequentially arranged in the upper refrigeration channel according to the flow direction of fresh air, the air supply outlet a17 is communicated with the lower air supply channel, and the top plate air supply outlet 14 is uniformly arranged at the bottom of the unit casing corresponding to the lower air supply channel.
The indirect evaporative cooling unit comprises a plate-fin heat exchanger 5, a water distributor a6, a secondary air fan 7 and a secondary air exhaust outlet 8 are sequentially arranged above the plate-fin heat exchanger 5 from bottom to top, a water collecting tank a18 is arranged below the plate-fin heat exchanger 5, the water collecting tank a18 is connected with the water distributor a6 through a circulating water pipe a4, and the indirect evaporative cooling unit further comprises a secondary air inlet which is arranged on the side wall of the unit shell and corresponds to the position below the plate-fin heat exchanger 5.
The circulating water pipe a4 is provided with a circulating water pump a 3.
The circulating water pipe a4 is provided with a water filter a 19.
The direct evaporative cooling unit comprises a filler 11, a water distributor b20 is arranged above the filler 11, a water collecting tank b10 is arranged below the filler 11, and the water collecting tank b10 is connected with the water distributor b20 through a circulating water pipe b 21.
The circulating water pipe b21 is provided with a circulating water pump b 22.
The circulating water pipe b21 is provided with a water filter b 9.
As shown in fig. 3, at least two partitions 15 are uniformly disposed in the lower supply air passage in a longitudinal direction of the railway car 16.
The utility model discloses indirect-direct evaporative cooling air conditioning unit's theory of operation does:
outdoor fresh air passes through an upper refrigerating channel of a unit shell of a fresh air inlet 1, is filtered by a filter 2 and then enters a plate-fin indirect evaporative cooling unit; the air sent into the plate-fin indirect evaporative cooling unit is subjected to heat and humidity exchange in a plate-fin heat exchanger 5, the air is subjected to equal humidity cooling, then the air enters the direct evaporative cooling unit, and secondary air is discharged outdoors through a secondary fan 7; the air sent into the direct evaporative cooling unit is subjected to heat and moisture exchange in the surface of the filler 11, the air is subjected to isenthalpic cooling, the air subjected to isenthalpic humidification cooling passes through the water baffle 12, redundant moisture in the air is filtered under the water retaining effect of the water baffle, and finally the low-temperature air is sent into the vehicle through the top plate air supply outlet 14.
Wherein, the water system theory of operation of plate-fin indirect evaporative cooling unit does: circulating water in the water collecting tank a18 is filtered by a water filter a19 under the action of a circulating water pump a3 and then sprayed to the surfaces of the plate fins of the plate fin heat exchanger 5 by a water distributor a 6.
The working principle of a water system of the direct evaporative cooling unit is as follows: circulating water in the water collecting tank b10 is filtered by a water filter b9 under the action of a circulating water pump b21 and then is sprayed onto the filler 11 by a water distributor b 20.
Claims (8)
1. An indirect-direct evaporative cooling air conditioning unit suitable for a train is characterized by comprising an indirect-direct evaporative cooling air conditioning unit body fixed at the top of a train carriage (16), wherein the bottom of the indirect-direct evaporative cooling air conditioning unit body is provided with a plurality of top plate air supply outlets (14) leading to the inside of the train carriage (16);
the indirect-direct evaporative cooling air conditioning unit body comprises a unit shell, wherein the unit shell is internally divided into an upper refrigeration channel and a lower air supply channel, a fresh air inlet (1) is formed in the position, corresponding to the upper refrigeration channel, of the windward side of the unit shell, a filter (2), an indirect evaporative cooling unit, a direct evaporative cooling unit, a water baffle (12), an air feeder (13) and an air supply opening a (17) are sequentially arranged in the upper refrigeration channel according to the flow direction of fresh air, the air supply opening a (17) is communicated with the lower air supply channel, and the top plate air supply opening (14) is uniformly formed in the bottom of the unit shell corresponding to the lower air supply channel.
2. The indirect-direct evaporative cooling air conditioning unit as claimed in claim 1, wherein the indirect evaporative cooling unit comprises a plate-fin heat exchanger (5), a water distributor a (6), a secondary air fan (7) and a secondary air outlet (8) are sequentially arranged above the plate-fin heat exchanger (5) from bottom to top, a water collection tank a (18) is arranged below the plate-fin heat exchanger (5), the water collection tank a (18) and the water distributor a (6) are connected through a circulating water pipe a (4), and the indirect-direct evaporative cooling air conditioning unit further comprises a secondary air inlet which is arranged on the side wall of the unit shell and corresponds to the position below the plate-fin heat exchanger (5).
3. The indirect-direct evaporative cooling air conditioning unit according to claim 2, wherein a circulating water pump a (3) is provided on the circulating water pipe a (4).
4. Indirect-direct evaporative cooling air conditioning unit as claimed in claim 2, characterised in that the water circulating pipe a (4) is provided with a water filter a (19).
5. The indirect-direct evaporative cooling air conditioning unit according to claim 1, wherein the direct evaporative cooling unit comprises a filler (11), a water distributor b (20) is arranged above the filler (11), a water collecting tank b (10) is arranged below the filler (11), and the water collecting tank b (10) and the water distributor b (20) are connected through a circulating water pipe b (21).
6. The indirect-direct evaporative cooling air conditioning unit according to claim 5, wherein a circulating water pump b (22) is provided on the circulating water pipe b (21).
7. The indirect-direct evaporative cooling air conditioning unit of claim 5, wherein the water circulating pipe b (21) is provided with a water filter b (9).
8. The indirect-direct evaporative cooling air conditioning unit of claim 1, wherein at least two partitions (15) are uniformly disposed in the lower supply air duct along the length of the railway car (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031660.7U CN212047350U (en) | 2019-11-22 | 2019-11-22 | Indirect-direct evaporative cooling air conditioning unit suitable for train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031660.7U CN212047350U (en) | 2019-11-22 | 2019-11-22 | Indirect-direct evaporative cooling air conditioning unit suitable for train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212047350U true CN212047350U (en) | 2020-12-01 |
Family
ID=73508427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031660.7U Expired - Fee Related CN212047350U (en) | 2019-11-22 | 2019-11-22 | Indirect-direct evaporative cooling air conditioning unit suitable for train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212047350U (en) |
-
2019
- 2019-11-22 CN CN201922031660.7U patent/CN212047350U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |