CN210821732U

CN210821732U - Built-in air conditioning system for miniature pure electric passenger car

Info

Publication number: CN210821732U
Application number: CN201921412201.7U
Authority: CN
Inventors: 于婷婷; 范晓飞
Original assignee: Zhengzhou Kelin Motor Vehicle Air Conditioning Co Ltd
Current assignee: Zhengzhou Kelin Motor Vehicle Air Conditioning Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-23
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a miniature electricelectric moves built-in air conditioning system for passenger train is applied to miniature electricelectric moves passenger train, including compressor, condenser, first HVAC structure and second HVAC structure, the compressor sets up on the passenger train chassis, and the condenser setting is on the passenger train chassis, and first HVAC structure setting is plantago at the passenger train, and second HVAC structure setting is behind the passenger train car, and compressor, condenser pass through the refrigerant hose respectively with first HVAC structure and second HVAC structure intercommunication, and the air outlet and the whole car wind channel of first HVAC structure and second HVAC structure are connected. The air conditioning system provided by the utility model reduces the height of the whole vehicle and the weight of the whole vehicle; the space of the carriage is increased, and the requirement of wide visual field of members is met; not only is the cost increase caused by adopting a front air conditioner and a rear air conditioner reduced, but also the uniformity of the front temperature distribution and the rear temperature distribution of the whole vehicle is improved.

Description

Built-in air conditioning system for miniature pure electric passenger car

Technical Field

The utility model belongs to the [ electric ] motor coach field, concretely relates to miniature electricelectric [ electric ] motor coach is with built-in air conditioning system.

Background

With the development demand of miniature pure electric buses in the market, higher challenges are provided for air conditioners. The requirements of the whole vehicle such as beautiful appearance, wide visual field, low height, large space in the vehicle, long-term mileage and the like all put higher requirements on the structure, the appearance and the energy consumption of an air conditioner.

In the current passenger car industry, the traditional power-driven middle and small-sized passenger car air conditioners mostly adopt an internal top-mounted air conditioner, new energy passenger cars mostly use an integrated top-mounted air conditioner, the internal top-mounted air conditioner occupies the space in the passenger car, and an overhead pure electric air conditioner increases the height of the whole passenger car, so that the problems of difficult appearance modeling and the like exist, and along with market development, the refined requirement of a miniature pure electric passenger car cannot be met. A pure electric air conditioner needs to be developed aiming at the specific market and is used for meeting the use requirement of the minibus.

In the prior air-conditioning technical scheme: 1. an overhead pure electric air conditioner is adopted, an air conditioner assembly is arranged at the top of a mini-bus, the height of the whole bus is increased, and the requirement of the bus on height limit cannot be met; 2. the traditional built-in air conditioner occupies the space in the vehicle, influences the view of the members, and is required to be provided with a front air conditioner and a rear air conditioner, wherein the front space is used for temperature regulation of a driver area and a front defroster, and the rear air conditioner is used for temperature regulation of a passenger area, so that the cost is higher; 3. passenger car air conditioner all adopts an HVAC assembly because the space is little, and the refrigerating output is little, and the air supply distance is little, can't satisfy the user demand of passenger train.

SUMMERY OF THE UTILITY MODEL

To the not enough among the above-mentioned prior art scheme, the utility model aims at providing a miniature electricelectric moves built-in air conditioning system for passenger train.

The purpose of the utility model is realized through the following technical scheme.

The utility model provides a miniature pure [ electric ] motor coach is with built-in air conditioning system, is applied to miniature pure [ electric ] motor coach, includes compressor, condenser, first HVAC structure and second HVAC structure, the compressor setting is on the passenger train chassis, and the condenser setting is on passenger train plantago skeleton, and first HVAC structure setting is plantago at the passenger train, and second HVAC structure setting is behind the passenger train car, and compressor, condenser pass through the refrigerant hose respectively with first HVAC structure and second HVAC structure intercommunication, the air outlet and the whole car wind channel of first HVAC structure and second HVAC structure are connected.

The condenser is arranged on a radiator of a main motor water tank of the passenger car.

The compressor and the components thereof are arranged below a rear cabin door of the passenger car.

The first HVAC structure and the second HVAC structure are both provided with independent expansion valves, and the condensers are connected with the refrigerant inlets of the first HVAC structure and the second HVAC structure through the independent expansion valves.

First HVAC structure and second HVAC structure all include cold air outlet and hot-blast air outlet, and whole car wind channel includes cold air wind channel and hot-blast air duct, and the cold air wind channel sets up at passenger train carriage top, and hot-blast air duct sets up in passenger train carriage bottom, cold air outlet and cold air wind channel intercommunication, hot-blast air outlet and hot-blast air duct intercommunication.

Compared with the prior art, the beneficial effects of the utility model are that: 1. compared with an overhead pure electric air conditioner: the height of the whole vehicle is reduced, and the weight of the whole vehicle is reduced due to the fact that the HVAC structure is made of plastic; the compressor, the condenser and the HVAC structure are arranged in a hidden mode, and the problem of the appearance and the shape of the overhead air conditioner is solved.

2. Compared with the traditional built-in air conditioner: the space of the carriage is increased, and the requirement of wide visual field of members is met; the first HVAC structure and the second HVAC structure share one set of compressor and condenser to form a structure of one driving two, and the front HVAC structure and the rear HVAC structure of the passenger car not only reduce the cost increase brought by adopting the front air conditioner and the rear air conditioner, but also improve the uniformity of the front temperature distribution and the rear temperature distribution of the whole car.

Drawings

Figure 1 is a schematic diagram of a front and rear HVAC structure of the present invention.

Fig. 2 is a flow chart of the air conditioning system of the present invention.

Figure 3 is a schematic diagram of the HVAC structure of the present invention.

In the figure, 1 is a passenger car, 2 is a compressor, 3 is a condenser, 4 is a first HVAC structure, 5 is a second HVAC structure, 6 is a first evaporator, 7 is a second evaporator, 8 is an internal circulation air intake, 9 is an external circulation air intake, 10 is an independent expansion valve, 11 is a mode damper regulator, 12 is a hot air outlet, and 13 is a cold air outlet.

Detailed Description

As shown in figures 1-3, the built-in air conditioning system for the miniature pure electric passenger car is used for the miniature pure electric passenger car, reduces the height of the whole car, increases the space in the car and the member visual field, and meets the requirement for the uniformity of the front and rear temperature distribution of the whole car. The air conditioner comprises a compressor 2, a condenser 3, a first HVAC structure 4 and a second HVAC structure 5, wherein the compressor 2 and components thereof are arranged on a passenger car chassis and below a rear cabin door of the passenger car; the condenser 3 is arranged on the front framework of the passenger car and the radiator of the main motor water tank; the first HVAC structure 4 is arranged in front of the bus and can be at the cabin behind the front seat of the bus, and the second HVAC structure 5 is arranged behind the bus and can be at the cabin behind the rear seat of the bus. By adopting the structure of double HVAC at the front and the rear of the vehicle, the problems of vehicle height increase, difficult appearance modeling and the like caused by the air conditioner used by the miniature pure electric bus are solved, the space of the whole vehicle is saved, and the weight of the whole vehicle is reduced.

Compressor 2, condenser 3 pass through the refrigerant hose respectively with first HVAC structure 4 and second HVAC structure 5 intercommunication, the air outlet and the whole car wind channel of first HVAC structure 4 and second HVAC structure 5 are connected.

Further, first HVAC structure 4 and second HVAC structure 5 all include cold air outlet 13 and hot-blast air outlet 12, and whole car wind channel includes cold air wind channel and hot-blast air duct, and the cold air wind channel sets up at passenger train carriage top, and hot-blast air duct sets up in passenger train carriage bottom, and the air outlet in hot-blast air duct can set up in seat bottom grid department, and cold air outlet 13 and cold air wind channel intercommunication, hot-blast air outlet 12 and hot-blast air duct intercommunication. The first HVAC structure 4 and the second HVAC structure 5 adopt structures with independent air ducts, cool air and heating air supply are separated, the air is respectively sent into a carriage from the top and the bottom of the passenger car, cold air sinks, hot air rises, the temperature distribution in the height direction of the whole car is more uniform, and the problem of 'head heat and foot cold' of the overhead air conditioner in winter heating is solved.

Furthermore, the first HVAC structure 4 and the second HVAC structure 5 are both provided with an independent expansion valve 10, and the condenser 3 is connected with the refrigerant inlets of the first HVAC structure 4 and the second HVAC structure 5 through the independent expansion valves 10. The independent expansion valve 10 ensures the uniformity of refrigerant flow distribution, so that the front and rear temperature fields and the wind field of the whole vehicle are relatively more uniformly distributed, and the comfort level of customers is higher.

The first HVAC structure 4 and the second HVAC structure are both conventional HVAC structures, each HVAC structure comprises an evaporation core, an evaporation fan, a heater, an internal circulation air inlet 8, an external circulation air inlet 9, a mode air door regulator 11 and a cold and warm air door, and the evaporation fan is provided with a speed regulating module and is divided into 7 wind ranges for regulating air volume; the evaporation core body is externally connected with a pipeline, the compressor 2 and the condenser 3 to realize refrigeration, the HVAC structure can utilize the evaporation core body and the evaporation fan to perform evaporation refrigeration, and cold air is blown out through the cold air outlet; heating by a heater, and blowing hot air out through a hot air outlet; the mode switching of the internal and external circulation air inlet modes can be realized through the mode air door regulator 11 and the evaporation fan. The cost increase and the space occupation caused by independently increasing a fresh air system are reduced.

Additionally, the air outlets of the HVAC structure actually include face blowing outlets, foot blowing outlets, and defrost outlets. When the HVAC structure is refrigerating, the cold and warm air door acts to prevent air from passing through the heater; when the HVAC structure dehumidifies, the cold and warm air door acts to allow part of air to pass through the heater; when the HVAC structure heats, the cold and warm air doors act to allow all the air to pass through the heater. In the HVAC structure applied in the application, the face-blowing air outlet is used as a hot air outlet 12 and is communicated with a hot air duct; the foot blowing air outlet and the defrosting air outlet are communicated to be used as a cold air outlet 13 which is communicated with a cold air duct. The cold air outlet 13, i.e., the foot blowing outlet and the defrosting outlet, and the hot air outlet 12, i.e., the face blowing outlet, are adjusted by the mode damper adjuster 11. Thereby realizing that first HVAC structure 4 and the second HVAC structure in this application possess cold air outlet 13 and hot air outlet 12.

When defrosting and demisting, the air cooled in the evaporation core body and the air heated in the warm air core body can be mixed and regulated to quickly defrost and demist, and the mixed and regulated air can be sent into the vehicle to create a comfortable environment in the vehicle.

The utility model discloses a working method does: arrange according to above-mentioned connected mode the utility model discloses an air conditioning system.

When needing to refrigerate in the car, start the evaporimeter in compressor 2, condenser 3 and first HVAC structure 4, the second HVAC structure 5, make the evaporimeter refrigeration, mode air door regulator 11 makes cold wind outlet 13 blow off cold wind, blows off cold wind from the passenger train top downwards, and cold air sinks gradually, makes the interior cooling refrigeration of car, satisfies passenger's travelling comfort.

When the interior of the vehicle needs to be heated, the heaters in the first HVAC structure 4 and the second HVAC structure 5 are started to heat the heaters, the mode air door adjuster is adjusted to blow hot air out of the hot air outlet 12, the hot air is blown out upwards from the bottom grille of the passenger car, the hot air rises, the interior of the vehicle is heated, and the comfort of passengers is met.

The air intake mode can be switched between the internal and external circulation modes through the adjusting mode air door adjuster 11, and the quality of air in the vehicle is improved.

The above description is only a preferred embodiment of the present invention, and is not a limitation to the technical solution of the present invention, it should be noted that, further improvements and changes can be made by those skilled in the art on the premise of the technical solution of the present invention, and all such improvements and changes should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a miniature pure [ electric ] motor coach is with built-in air conditioning system, is applied to miniature pure [ electric ] motor coach (1), its characterized in that: including compressor (2), condenser (3), first HVAC structure (4) and second HVAC structure (5), compressor (2) set up on passenger train (1) chassis, and condenser (3) set up on passenger train (1) preceding skeleton, and first HVAC structure (4) set up at the passenger train plantago, and second HVAC structure (5) set up behind the passenger train car, and compressor (2), condenser (3) communicate with first HVAC structure (4) and second HVAC structure (5) respectively through the refrigerant hose, and the air outlet and the whole car wind channel of first HVAC structure (4) and second HVAC structure (5) are connected.

2. The built-in air conditioning system for the miniature pure electric passenger car according to claim 1, characterized in that: the condenser (3) is arranged on a radiator of a main motor water tank of the passenger car.

3. The built-in air conditioning system for the miniature pure electric passenger car according to claim 1, characterized in that: the compressor (2) and the components thereof are arranged below a rear cabin door of the passenger car.

4. The built-in air conditioning system for the miniature pure electric passenger car according to claim 1, characterized in that: the first HVAC structure (4) and the second HVAC structure (5) are both provided with independent expansion valves (10), and the condenser (3) is connected with the refrigerant inlets of the first HVAC structure (4) and the second HVAC structure (5) through the independent expansion valves (10).

5. The built-in air conditioning system for the miniature pure electric passenger car according to claim 1, characterized in that: first HVAC structure (4) and second HVAC structure (5) all include cold air outlet (13) and hot-blast air outlet (12), and whole car wind channel includes cold wind channel and hot-blast air channel, and the cold wind channel sets up at passenger train carriage top, and hot-blast air channel sets up in passenger train carriage bottom, cold wind outlet (13) and cold wind channel intercommunication, hot-blast air outlet (12) and hot-blast air channel intercommunication.