CN215475108U - Multi-split type track air conditioning unit - Google Patents
Multi-split type track air conditioning unit Download PDFInfo
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- CN215475108U CN215475108U CN202023281107.8U CN202023281107U CN215475108U CN 215475108 U CN215475108 U CN 215475108U CN 202023281107 U CN202023281107 U CN 202023281107U CN 215475108 U CN215475108 U CN 215475108U
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Abstract
The utility model discloses a multi-connected split type track air conditioning unit which comprises 1 condensing compressor control and fresh air unit and a plurality of evaporation units, wherein the condensing compressor control and fresh air unit is connected with the evaporation units; the condensing compressor control and fresh air unit is arranged in the middle of the carriage, the evaporation units are divided into two groups, symmetrically arranged on two sides of the condensing compressor control and fresh air unit and arranged along the length direction of the carriage; each evaporation unit is connected with the condensing compressor control and fresh air unit through respective refrigerants and an electric connecting pipe a. Therefore, the utility model solves the problem of ventilation uniformity of an air conditioning system in the vehicle, solves the problem of noise in the vehicle caused by overall air supply, solves the problem of uniformity of temperature of each area in the vehicle, and simultaneously increases control logic in the later period to realize regional temperature regulation in a carriage.
Description
Technical Field
The utility model belongs to a vehicle air conditioning system in the field of rail transit, and particularly relates to a multi-split rail air conditioning unit.
Background
The existing air conditioning units for railway vehicles are divided into roof integral unit type air conditioning units, under-vehicle integral unit type air conditioning units and split type air conditioning units.
The roof integral unit type air conditioning unit integrates an evaporation unit and a condensation unit of the air conditioning unit and is installed on the top of a vehicle. Representative vehicle type (CRH 380 series vehicle type)
The unit type air conditioning unit under the vehicle integrates an evaporation unit and a condensation unit of the air conditioning unit and is suspended on a chassis of the vehicle body. Representative vehicle type (CRH 2 type)
The last two ways are that the evaporation unit and the condensation unit of the air conditioning system are integrated and integrally installed. The return air and the sucked fresh air in the vehicle are integrally treated. All air is delivered through the full vehicle air duct. The air quantity transmission mode needs to select a larger fan to overcome the air channel resistance of the whole vehicle, and also needs to ensure the uniformity of air supply of the whole vehicle through the design of the air channel.
The air supply noise problem of the air conditioning unit can be caused by the model selection of the larger fan, particularly the noise at the air outlet of the air conditioning unit needs to be increased by a plurality of noise elimination sections, and the noise caused by the large air volume of the large fan is eliminated by the steady flow section. In the field of rail transit vehicles, the space in the vehicle is very limited, and sufficient noise reduction measures cannot be designed.
The whole air supply type has higher requirements on the design of the air duct, the process of converting dynamic pressure into static pressure in the air duct by an air field needs to keep the air supply quantity of each air outlet uniform, the air outlets are generally blocked for adjustment at present, and a large amount of time is spent for verification. After the air quantity of each air outlet is uniform, the air speeds of the air outlets cannot be matched to be consistent due to the fact that the sizes of the air outlets are not fixed.
The integrated air supply type air conditioning unit is convenient for the assembly of a vehicle main engine plant, but sacrifices the noise of the whole vehicle and the air supply control of the temperature in the vehicle.
Disclosure of Invention
The purpose of the utility model is as follows: aiming at the problems of the integral air supply type of the vehicle air conditioning system in the field of rail transit at present, the utility model does not relate to an air duct, but supplies air to the interior of the vehicle by one air supply unit penetrating through the whole vehicle. The problem of the whole air supply type of air conditioning system brought of track traffic field air supply noise big, the air-out is inhomogeneous in the car is solved, regional type can also carry out simultaneously and is interrupted the air supply.
The technical scheme is as follows: in order to achieve the purpose, the utility model adopts the technical scheme that:
a multi-split type track air conditioning unit comprises 1 condensing compressor control and fresh air unit and a plurality of evaporation units; the condensing compressor control and fresh air unit is arranged in the middle of the carriage, the evaporation units are divided into two groups, symmetrically arranged on two sides of the condensing compressor control and fresh air unit and arranged along the length direction of the carriage; each evaporation unit is connected with the condensing compressor control and fresh air unit through respective refrigerants and an electric connecting pipe a.
The evaporation unit comprises a shell, and a filter screen, a heat exchanger b, a cross-flow fan and a fan heightening installation platform which are packaged in the shell, wherein an integral type drainage tray is arranged at the bottom of the shell, the cross-flow fan is connected with the integral type drainage tray through the fan heightening installation platform, the filter screen is arranged at the position of an air inlet of the shell, and the integral type drainage tray is provided with a plurality of drainage pipes a; the housing is provided with a refrigerant and an electric connecting pipe a.
In each evaporation unit on each side of the carriage, each drain pipe a led out from each evaporation unit and finally 4 drain pipes b led out from the single-side collection assembly are led out of the carriage.
An air outlet diffuser is arranged below each evaporation unit on each side of the carriage; the air outlet diffuser is a through long section bar arranged along the length direction of the vehicle.
The condensation compressor control and fresh air unit is arranged in the middle of the roof of the carriage and is integrated with a heat exchanger a, a condensation fan, a compressor, a controller, a fresh air inlet, a heat recoverer and a waste discharge port.
The condensation compressor control and fresh air unit comprises a fresh air unit and a compressor condensation unit; in middle part position department, set up new trend unit, include: the fresh air inlet is arranged above the waste heat recovery device, the waste heat discharge port is arranged below the fresh air inlet, and the heat recovery device is arranged between the fresh air inlet and the waste heat discharge port; the two sides of the fresh air unit are respectively provided with a compressor condensing unit, each compressor condensing unit is respectively provided with a compressor and a condensing fan at the middle position, and the two sides are provided with heat exchangers a; and a control box (containing a controller) is respectively arranged between the fresh air unit and the two compressor condensation units.
Has the advantages that: the utility model solves the problem of ventilation uniformity of an air conditioning system in the car, solves the problem of noise in the car caused by overall air supply, solves the problem of uniformity of temperature of each area in the car, and simultaneously increases control logic in the later period to realize regional temperature regulation in a carriage.
Drawings
Fig. 1 is a schematic structural view of a multi-split type track air conditioning unit according to the present invention;
FIG. 2 is a schematic structural view of a condensing compressor control and fresh air unit of FIG. 1;
FIG. 3 is a schematic diagram of the evaporation unit of FIG. 1;
in fig. 1 to 3: 1. a condensing compressor control and fresh air unit; 1-1, a heat exchanger; 1-2, a condensing fan; 1-3, a compressor; 1-4, a control box; 1-5, a fresh air inlet; 1-6, a heat recovery device; 1-7, waste discharge port; 2. an evaporation unit; 2-1, a filter screen; 2-2, a heat exchanger b; 2-3, a cross-flow fan; 2-4, a drain pipe a; 2-5, an integral drain pan; 2-6 parts of refrigerant and electrical connecting pipe interfaces 2-7 parts of a fan heightening processing mounting platform; 2-8, a shell; 3. an air outlet diffuser; 4. a drain pipe; 5. refrigerant/electrical connections.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the utility model, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
As shown in fig. 1, the multi-split type track air conditioning unit according to the present invention shows an equipment arrangement of an in-vehicle air conditioning system, including: 1 condensing compressor control and fresh air unit, 14 evaporation units and an air outlet diffuser; wherein:
the condensation compressor control and fresh air unit is embedded in a roof platform as shown in fig. 2, is arranged in the middle of a roof, and is integrated with a heat exchanger, a condensation fan, a compressor, a controller, a fresh air inlet, a heat recoverer and a waste discharge port. Different compressors and heat exchangers can be arranged according to the refrigerating capacity requirement of the railway vehicle. In middle part position department, set up new trend unit, include: the fresh air inlet is arranged above the waste heat recovery device, the waste heat discharge port is arranged below the fresh air inlet, and the heat recovery device is arranged between the fresh air inlet and the waste heat discharge port. The two sides are respectively provided with a compressor condensing unit, each compressor condensing unit is respectively provided with a compressor and a condensing fan at the middle position, and the heat exchangers are arranged at the two sides. And a control box is respectively arranged between the fresh air unit and the two compressor condensation units.
The evaporation unit is hoisted in the vehicle along the length direction of the vehicle and adopts a longitudinal direct current brushless motor. 7 are arranged on one side of each carriage. Each evaporation unit is integrated with a filter screen, a heat exchanger b, a cross-flow fan, a drain pipe, an integral drain pan, a refrigerant/electrical connecting pipe, a fan heightening processing mounting table and a shell as shown in fig. 3. The plurality of evaporation units are arranged along the longitudinal direction (length direction) of the vehicle, and uniformly supply air to the interior of the vehicle to treat the air in the vehicle. The bottom of shell sets up integral drain pan, integral drain pan installs the drain pipe. The filter screen, the heat exchanger, the cross-flow fan and the fan heightening mounting platform are all arranged in the shell, and the cross-flow fan is mounted on the integral drainage tray through the fan heightening mounting platform. And a plurality of drain pipes a are led out from each evaporation unit, and finally 4 drain pipes of the single-side collection assembly are led out of the vehicle. Each evaporation unit is connected with the compressor condensation unit through a connecting pipeline, and meanwhile, the power supply cable of the fan is also branched from the compressor condensation unit.
The air outlet diffuser is a through long section bar arranged along the length direction of the vehicle and is positioned below the evaporation unit. Auxiliary equipment such as air-out air diffuser, drain pipe can change according to the interior decoration demand of vehicle.
The air outlet diffuser mainly increases the air supply direction and disturbs the wind field in the vehicle, so that the temperature field of each area of the temperature in the vehicle is uniform, and the temperature of each area is uniform
The drain pipe mainly discharges the condensed water generated by the evaporation unit out of the vehicle. The heat insulation hose is arranged along the vehicle.
The air conditioning unit can provide enough space for the control of the condensing compressor and the fresh air unit so that the condensing compressor and the fresh air unit can carry out better sound insulation and noise reduction treatment; simultaneously, can also adopt a plurality of fans to supply air, every fan noise is very low, avoids adopting the noise problem that big amount of wind noise concentrates the air supply and brings.
In addition, the later stage of the multi-connected evaporation unit can also perform variable air volume control, so that the accurate temperature control of each area in the vehicle is achieved.
The air conditioning system is installed according to the following steps:
1. and the evaporation units are respectively hoisted on the top and the lower part of the vehicle body along the longitudinal direction of the vehicle and are connected with the air outlet diffuser. Each evaporation unit is light in weight and simple and convenient to install.
2. After the evaporation unit is installed, the integral compressor condensation, fresh air and control unit is installed on the roof of the vehicle.
3. After the two major parts of the air conditioning system and the vehicle body are installed and fixed, the refrigerant and the electric pipes of the evaporation units are connected, and the refrigerant and the electric pipes are arranged along the length direction of the vehicle.
4. And a drain pipe connected with the evaporation unit. And connecting the drainage pipes, and draining the condensed water to the vehicle through a vehicle body drainage pipe.
Claims (6)
1. A multi-split type track air conditioning unit is characterized by comprising 1 condensing compressor control and fresh air unit and a plurality of evaporation units; the condensing compressor control and fresh air unit is arranged in the middle of the carriage, the evaporation units are divided into two groups, symmetrically arranged on two sides of the condensing compressor control and fresh air unit and arranged along the length direction of the carriage; each evaporation unit is connected with the condensing compressor control and fresh air unit through respective refrigerants and an electric connecting pipe a.
2. The multi-split type track air conditioning unit as claimed in claim 1, wherein the evaporation unit comprises a housing, and a filter screen, a heat exchanger, a cross flow fan and a fan heightening installation table which are encapsulated in the housing, wherein an integral type drain pan is arranged at the bottom of the housing, the cross flow fan is connected with the integral type drain pan through the fan heightening installation table, the filter screen is arranged at an air inlet of the housing, and the integral type drain pan is provided with a plurality of drain pipes; the housing is provided with a refrigerant and an electric connecting pipe.
3. The multi-split type track air conditioning unit as claimed in claim 1, wherein in the evaporation units on each side of the carriage, the drain pipes led out from each evaporation unit are finally gathered to 4 drain pipes on one side and led out of the carriage.
4. The multi-split type track air conditioning unit as claimed in claim 1, wherein an air outlet diffuser is provided below each evaporation unit on each side of the carriage; the air outlet diffuser is a through long section bar arranged along the length direction of the carriage.
5. The multi-split type track air conditioning unit as claimed in claim 1, wherein the condensing compressor control and fresh air unit is installed in the middle of the roof of the car and is integrated with a heat exchanger a, a condensing fan, a compressor, a controller, a fresh air inlet, a heat recovery device and a waste discharge port.
6. The multi-connected split-type track air conditioning unit as claimed in claim 1, wherein the condensing compressor control and fresh air unit comprises a fresh air unit and a compressor condensing unit; in middle part position department, set up new trend unit, include: the fresh air inlet is arranged above the waste heat recovery device, the waste heat discharge port is arranged below the fresh air inlet, and the heat recovery device is arranged between the fresh air inlet and the waste heat discharge port; the two sides of the fresh air unit are respectively provided with a compressor condensing unit, each compressor condensing unit is respectively provided with a compressor and a condensing fan at the middle position, and the two sides are provided with heat exchangers a; between the fresh air unit and the two compressor condensing units, a control box containing a controller is respectively arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281107.8U CN215475108U (en) | 2020-12-30 | 2020-12-30 | Multi-split type track air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281107.8U CN215475108U (en) | 2020-12-30 | 2020-12-30 | Multi-split type track air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN215475108U true CN215475108U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281107.8U Active CN215475108U (en) | 2020-12-30 | 2020-12-30 | Multi-split type track air conditioning unit |
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| CN (1) | CN215475108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535013A (en) * | 2022-08-18 | 2022-12-30 | 广州精益运输制冷设备有限公司 | Multi-split type rail train air conditioning unit |
-
2020
- 2020-12-30 CN CN202023281107.8U patent/CN215475108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535013A (en) * | 2022-08-18 | 2022-12-30 | 广州精益运输制冷设备有限公司 | Multi-split type rail train air conditioning unit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 69 Mengxi Road, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province, 241000 Patentee after: CRRC Puzhen Alstom Transportation System Co.,Ltd. Address before: No. 69 Mengxi Road, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province, 241000 Patentee before: CRRC PUZHEN BOMBARDIER TRANSPORTATION SYSTEMS CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |