CN111497562B - Improve on-vehicle air conditioning device of framework - Google Patents
Improve on-vehicle air conditioning device of framework Download PDFInfo
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- CN111497562B CN111497562B CN202010448577.4A CN202010448577A CN111497562B CN 111497562 B CN111497562 B CN 111497562B CN 202010448577 A CN202010448577 A CN 202010448577A CN 111497562 B CN111497562 B CN 111497562B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000001704 evaporation Methods 0.000 claims description 39
- 230000008020 evaporation Effects 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 23
- 239000003507 refrigerant Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000295 fuel oil Substances 0.000 claims description 5
- 241000976416 Isatis tinctoria subsp. canescens Species 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 2
- 230000010354 integration Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a vehicle-mounted air conditioning device with an improved framework, which is composed of modules with independent functions, and comprises a structural frame, a refrigerating system, a centrifugal fan, an axial flow fan, a drainage system, an electric control system and an installation accessory. The invention is designed integrally with the vehicle, and adopts the fuel heater arranged on the vehicle for heating, thereby reducing the functional redundancy of the whole vehicle and reducing the space occupation; the modularized design with independent functions is adopted, so that the miniaturization and the light weight are met, and meanwhile, the maintainability is achieved; the special rigidity reinforcement measures are adopted for the pipeline system, the throttling device, the compressor and the like, so that the working reliability of the air conditioner during the mountain running with rough roads and poor trafficability of the vehicle is ensured; the small water-vapor dual-purpose water pump is adopted to forcedly discharge condensed water and heighten the position of the water outlet, thereby meeting the special purpose of wading vehicles. The novel framework solves the difficult problem of temperature regulation of vehicles with small installation space and severe working environment.
Description
Technical Field
The invention relates to the field of vehicle-mounted air conditioning equipment, in particular to a vehicle-mounted air conditioning device with an improved framework.
Background
Along with the development needs of modern technology, the vehicle-mounted air conditioning equipment has higher requirements on the application of the vehicle-mounted air conditioning equipment, not only has a temperature adjusting function, but also has small occupied space and light weight, and can normally work in a severe driving environment. The traditional vehicle-mounted air conditioner has the advantages that various components are distributed in a discrete mode structurally, the integration level of the air conditioner components is low, the occupied space is large, and the problem that the operation is unreliable when an automobile runs under complex road conditions exists.
Disclosure of Invention
The invention aims to provide a vehicle-mounted air conditioning device with an improved structure, which solves the problems of low integration level, large occupied space and unreliable operation of the vehicle-mounted air conditioner in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
An on-vehicle air conditioning device of improvement framework, characterized by: the structure comprises a structure frame, wherein the bottom of the structure frame is provided with a bottom plate, a front side frame and a rear side frame of the structure frame are respectively correspondingly provided with a front sealing plate and a rear sealing plate, the top frame of the structure frame is provided with an upper cover plate, and the structure frame is respectively sealed at the top, the bottom, the front part and the rear part by the upper cover plate, the bottom plate, the front sealing plate and the rear sealing plate;
the front side of the inside of the structural frame is separately divided into evaporation chambers independent of other parts of the inside of the structural frame, an evaporator, a water collecting disc and a fan volute are arranged in the evaporation chambers, the evaporator, the water collecting disc and the fan volute are fixed on a bottom plate at corresponding positions, the fan volute is positioned in front of the evaporator, a centrifugal fan is arranged in the fan volute, the air inlet surface of the centrifugal fan faces the evaporation chambers, the water collecting disc is supported below evaporator fins, side sealing plates are respectively arranged on side frames of the corresponding structural frames on two sides of the evaporation chambers, the evaporation chambers are respectively sealed on corresponding sides by the side sealing plates, an air return opening and an air supply opening are formed in the side sealing plates on one side of the evaporation chambers, a housing is respectively covered by the air return opening and the outer side surface of the air supply opening, an air supply pipe connector is arranged on the housing of the air supply opening, one end of the air supply pipe connector is communicated with the air supply opening, the other end of the air supply opening is communicated with the inside of a vehicle, the housing of the air return opening is provided with a heating pipe connector and an air return opening grid, the other end of the air supply opening is communicated with a fuel oil heater in the vehicle, one side of the air return opening grid faces the air return opening and the other side of the vehicle, the other side faces the inside the vehicle, the side of the air supply opening is communicated with a water outlet, the side of the evaporation chamber, and the side of the evaporation chamber is also communicated with the water outlet through a water pump, and the water outlet through the water outlet, and the side of the evaporation chamber;
The bottom plate at the corresponding position of other parts in the structural frame is provided with a condenser, a compressor, a liquid storage device, a filter and a throttling device, wherein the compressor is positioned at one side of the other parts in the structural frame, the condenser is positioned at the other side of the other parts in the structural frame, a refrigerant outlet of the compressor is connected with an inlet end of the condenser through a pipeline, an outlet end of the condenser is connected with an inlet end of the liquid storage device through a pipeline, an outlet end of the liquid storage device is connected with an inlet end of the filter through a pipeline, an outlet end of the filter is connected with an inlet end of the throttling device through a pipeline penetrating into an evaporation cavity, and an outlet end of the evaporator is connected with an inlet end of the compressor through a pipeline penetrating out of the evaporation cavity, so that a refrigerant circulation loop is formed; the electric control box is installed to the lateral frame of other part inside one side of structure frame, and the condensing fan mounting panel is installed to the lateral frame of other part inside other side of structure frame, is closed the inside other part of structure frame by electric control box, condensing fan mounting panel in corresponding side respectively, and wherein axial fan is installed to the condensing fan mounting panel, and axial fan's air inlet face is towards the condenser respectively, and axial fan's air-out face is led to outside the structure frame respectively.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: install centrifugal fan in the fan spiral case, the fan spiral case is equipped with the wind gap towards the one side of evaporating intracavity, and centrifugal fan's air inlet face communicates in the wind gap, and sets up the water conservancy diversion circle in the wind gap, and centrifugal fan's air-out face leads to the in-vehicle environment, and centrifugal fan module carries out ventilation cycle to operational environment, reaches the purpose of air quick exchange.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: the water outlet is positioned above a water line when the whole vehicle wades.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: the air outlet surfaces of the axial flow fans are respectively covered with a net cover.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: the pipeline in the refrigerant circulation loop is rigidly fixed on the bottom plate through the pipe clamp, and the pipeline is supported by the pipeline fixing support fixed on the bottom plate.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: the compressor is rigidly fixed on the bottom plate through a compressor fixing card.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: the electric control box is internally provided with a controller, a centrifugal fan driving unit, an axial flow fan driving unit and a compressor driving unit, the controller is respectively in control connection with the centrifugal fan driving unit, the axial flow fan driving unit and the compressor driving unit, the operation panel is electrically connected with the controller, and the power interface is correspondingly and electrically connected with the centrifugal fan, the axial flow fan and the compressor driving unit through the centrifugal fan driving unit, the axial flow fan driving unit and the compressor driving unit respectively.
The vehicle-mounted air conditioning device with the improved structure is characterized in that: pressure sensors are respectively arranged at the inlet end pipeline and the outlet end pipeline of the compressor in the refrigerant circulation loop, temperature sensors are respectively arranged at the evaporator, the outer side surface of the structural frame and the outlet pipeline of the compressor, a current transformer is electrically connected into a circuit between the compressor driving unit and the compressor, a voltage detection device is electrically connected into a power interface, and the pressure sensors, the temperature sensors, the current transformer and the voltage detection device are respectively electrically connected with a controller in the electric control box.
The invention adopts a novel architecture design, has excellent cold-body ratio and cold-weight ratio index, good shock resistance and vibration resistance, and meets the requirements of miniaturization, integration and light weight and simultaneously has maintainability. Compared with the prior art, the invention has the advantages that:
1. And after the components are integrated, the integrated components are arranged in the vehicle, and a fuel heater in the vehicle is used for heating, so that the functional redundancy of the whole vehicle is reduced.
2. The modularized design with independent functions is adopted, the integration level is high, the miniaturization and the light weight are met, meanwhile, the maintainability is achieved, and the space occupation is reduced.
3. The rigidity reinforcement measures are adopted for the pipeline system, the throttling device, the compressor and the like, so that the working reliability of the air conditioner during the mountain running with poor trafficability of the vehicle is ensured.
4. The water pump is adopted to forcedly discharge condensed water and heighten the position of the water outlet, thereby meeting the special purpose of wading vehicles.
Drawings
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
Fig. 3 is an external view of the overall structure of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1-3, a vehicle-mounted air conditioning device with an improved structure comprises a structural frame 6, wherein a bottom plate is arranged at the bottom of the structural frame 6, a front sealing plate and a rear sealing plate are correspondingly arranged on a front side frame and a rear side frame of the structural frame 6 respectively, an upper cover plate 18 is arranged on a top frame of the structural frame 6, and the structural frame 6 is sealed at the top, the bottom, the front and the rear by the upper cover plate 18, the bottom plate, the front sealing plate and the rear sealing plate respectively;
The front side of the inside of the structural frame 6 is separately divided into an evaporation cavity 5 independent of other parts of the inside of the structural frame 6, an evaporator 4, a water collecting disc and a fan volute 1 are arranged in the evaporation cavity 5, the evaporator 4, the water collecting disc and the fan volute 1 are fixed on a bottom plate at corresponding positions, wherein the fan volute 1 is positioned in front of the evaporator 4, a centrifugal fan 2 is arranged in the fan volute 1, an air inlet surface of the centrifugal fan 2 faces the evaporation cavity 5, the water collecting disc is supported below fins of the evaporator 4, side sealing plates are respectively arranged on side frames of the structural frame 6 corresponding to two sides of the evaporation cavity 5, the evaporation cavity 5 is respectively sealed on corresponding sides by the side sealing plates, an air return opening 23 and an air supply opening 25 are arranged in the side sealing plates on one side of the evaporation cavity 5, a housing is respectively covered on the outer side surfaces of the air return opening 23 and the air supply opening 25, the housing of the air supply outlet 25 is provided with an air supply pipe connector 26, one end of the air supply pipe connector 26 is communicated with the air supply outlet 25, the other end of the air supply pipe connector is communicated into the vehicle, the housing of the air return outlet 23 is provided with a heating pipe connector 27 and an air return port grid 28, one end of the heating pipe connector 27 is communicated with the air return outlet 23, the other end of the heating pipe connector is communicated with a fuel heater in the vehicle, one side of the air return port grid 28 faces the air return outlet 23, the other side of the air return port grid 28 faces the vehicle, the outer side of a side sealing plate between the air return outlet 23 and the air supply outlet 25 is provided with an operation panel 7 and a power supply connector 8, the side sealing plate at the other side of the evaporation cavity 5 is provided with a water pump 16, the inlet end of the water pump 16 is communicated with the water collecting disc through a water pipe 17, and the outlet end of the water pump 16 is communicated with the water outlet through a pipeline;
the bottom plate of the corresponding position of other parts in the structure frame 6 is provided with a condenser 13, a compressor 10, a liquid storage device 12, a filter 19 and a throttling device 20, wherein the compressor 10 is positioned on one side of the other parts in the structure frame 6, the condenser 13 is positioned on the other side of the other parts in the structure frame 6, a refrigerant outlet of the compressor 10 is connected with an inlet end of the condenser 13 through a pipeline, an outlet end of the condenser 13 is connected with an inlet end of the liquid storage device 12 through a pipeline, an outlet end of the liquid storage device 12 is connected with an inlet end of the filter 19 through a pipeline, an outlet end of the filter 19 is connected with an inlet end of the throttling device 20 through a pipeline penetrating into the evaporation cavity 5, an outlet end of the throttling device 20 is connected with an inlet end of the evaporator 4 through a pipeline 22 penetrating out of the evaporation cavity 5, thereby forming a refrigerant circulation loop, and the flow of the refrigerant is controlled by the throttling device 20. The electric control box 9 is installed to the lateral frame of other part inside one side of structure frame 6, and condensing fan mounting panel 14 is installed to the lateral frame of other part opposite side inside structure frame 6, is closed the inside other part of structure frame 6 by electric control box 9, condensing fan mounting panel 14 respectively in corresponding side, and wherein condensing fan mounting panel 14 installs axial fan 15, and axial fan 15's air inlet face is towards condenser 13 respectively, and axial fan 15's air-out face is led to outside the structure frame 6 respectively.
In the present invention, the structural frame 6 is permanently connected by steel welding, fixes the constituent parts of the air conditioning apparatus, and realizes the corresponding functions.
In the invention, the air supply pipe connector 26 is communicated with the air supply port 25, the heating pipe connector 27 and the air return port grille 28 are communicated with the air return port 23, and the centrifugal fan cooperates with the evaporation cavity 5 to convey the heating air generated by the fuel oil heater into the working environment through the air supply pipe connector 26, thereby providing the heating air for the working environment.
Specifically, during refrigeration operation, low-temperature and low-pressure refrigerant vapor is compressed into high-temperature and high-pressure vapor by the compressor 10, heat is released by the condenser 13, and air at the condenser 13 is sucked by the axial flow fan 15 and then directly blown out of the structural frame 6, so that condensation heat is continuously taken away and discharged outdoors. The refrigerant is condensed into high-pressure saturated liquid, the high-pressure saturated liquid sequentially passes through the liquid storage device 12, the filter 19 and the throttling device 20 to be depressurized and enter the evaporator 4, vaporization and heat absorption are carried out in the evaporator 4, meanwhile, hot air in the vehicle is sucked into the evaporation cavity 5 through the centrifugal fan 2 from the return air inlet grille 28 and the return air inlet 23, heat exchange is carried out between the evaporator 4 and the hot air in the vehicle in the evaporation cavity 5, the temperature in the vehicle is reduced, the cooled air is discharged into the vehicle through the air supply outlet 25 and the air supply pipe interface 26, ventilation and cooling circulation in the vehicle is completed, and the vaporized refrigerant enters the compressor 10 again through the evaporator 4 for circulation refrigeration. During refrigeration operation, hot air in the vehicle is cooled to a saturated state when passing through the fins of the evaporator 4, and water vapor in the air is separated out on the surfaces of the fins of the evaporator 4 to form condensed water, so that the dehumidification effect is achieved.
When the centrifugal fan 2 works in heating, the centrifugal fan 2 runs at a low speed, then the fuel oil heater is started to heat, the heating air generated by the fuel oil heater is sucked into the evaporation cavity 5 from the heating pipe interface 27 under the action of the centrifugal fan 2, and then the heating air is conveyed into the vehicle from the air supply pipe interface 26 to provide heating air for the vehicle. When the fuel heater is closed, the fuel heater is closed first, and after the internal devices are sufficiently cooled (about 3 min), the ventilation function is closed.
In the invention, a centrifugal fan 2 is arranged in a fan volute 1, one surface of the fan volute 1 facing the evaporation cavity is provided with a wind gap, the air inlet surface of the centrifugal fan 2 is communicated with the wind gap, the air inlet surface of the centrifugal fan 2 faces the evaporation cavity 5 from the direction of the wind gap, and a guide ring 3 is arranged in the wind gap. The centrifugal fan 2 is used for circulating ventilation, and the fan volute 1 is matched with the centrifugal fan 2, so that the air outlet of the centrifugal fan 2 is led to the environment in the vehicle; the guide ring 3 is matched with the centrifugal fan 2, so that the aerodynamic performance of the centrifugal fan 2 is optimized, and the efficiency of the centrifugal fan 2 is improved; the centrifugal fan module carries out ventilation circulation on the working environment, so that the aim of air rapid exchange is fulfilled.
In the invention, the water pump 16 is a power source for discharging condensed water; the water pipe 17 serves as a passage through which condensed water flows, and causes the condensed water to flow in a specific direction; the water outlet is the interface between the water pipe and the external environment when the condensed water is discharged, and isolates the water outlet channel from the air conditioning cavity. The water outlet is positioned on a water level line when the whole vehicle wades, the water pump 16 draws the condensed water of the evaporator 4 from the water collecting disc through the water pipe 17, and then the condensed water is forcedly discharged from the heightened water outlet, so that the special purpose of the vehicle wades is met.
In the invention, the condensing fan mounting plate 14 is used for fixing the axial flow fan 15, the net cover is fixedly covered on the air outlet surface of the axial flow fan 15, so that external foreign matters are prevented from damaging fan blades, and personnel or other parts are prevented from being damaged by the fan blades; the axial flow fan 15 is used for taking away heat of the condenser 13 and accelerating the working efficiency of the condenser 13.
In the present invention, the piping in the refrigerant cycle is rigidly fixed to the bottom plate by the pipe clamp 21, and the piping is supported by the piping fixing bracket fixed to the bottom plate. The structural frame 6 is permanently joined by steel fusion welding and the compressor 10 is secured to the base plate by a compressor retaining clip rigidity 11. The pipeline 22 is integrated with the frame 6 through the pipe clamp 21, the pipeline system is protected through the frame with higher strength, the measures of shortening the distance between the pipeline fixing brackets, arranging fixing points at two ends of the pipeline, rigidly reinforcing the compressor by adopting the compressor reinforcing clamp 11 and the like are taken as auxiliary, and the special purpose of climbing the vehicle is met.
In the invention, a controller, a centrifugal fan driving unit, an axial flow fan driving unit and a compressor driving unit are arranged in an electric control box 9, the controller is respectively in control connection with the centrifugal fan driving unit, the axial flow fan driving unit and the compressor driving unit, an operation panel 7 is electrically connected with the controller, and a power interface 8 is respectively and correspondingly electrically connected with a centrifugal fan 2, an axial flow fan 15 and a compressor 10 through a connecting cable 24.
Pressure sensors are respectively arranged at the inlet end pipeline and the outlet end pipeline of the compressor 10 in the refrigerant circulation loop, temperature sensors are respectively arranged at the evaporator 4, the outer side surface of the structural frame 6 and the outlet pipeline of the compressor 10, a current transformer is electrically connected into a circuit between the compressor driving unit and the compressor 10, a voltage detection device is electrically connected into the power interface 8, and the pressure sensors, the temperature sensors, the current transformer and the voltage detection device are respectively electrically connected with a controller in the electric control box 9.
The power interface 8 is a power supply input interface, the operation panel 7, an electric control box 9, a connecting cable 24 and other control systems are formed, the degree of automation is high, the power supply is started by one key, the power supply condition of the power supply is monitored in real time, and the power supply under-voltage alarm is given; monitoring the pressure of a refrigerating system in real time, alarming and stopping refrigerating when the pressure of the system is low; monitoring the temperature of the coil pipe of the evaporator in real time, stopping the operation of the compressor when the temperature of the coil pipe is lower than-5 ℃, defrosting the evaporator, and solving the problem that the refrigerating effect is poor due to frosting of the evaporator; parameters such as the ambient temperature, the exhaust temperature of the compressor, working current and the like are monitored in real time, the rotating speed of the compressor is automatically adjusted, and the full-working-condition cold quantity adjustment is realized.
The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention, and the technical content of the present invention as claimed is fully described in the claims.
Claims (6)
1. An on-vehicle air conditioning device of improvement framework, characterized by: the structure comprises a structure frame, wherein the bottom of the structure frame is provided with a bottom plate, a front side frame and a rear side frame of the structure frame are respectively correspondingly provided with a front sealing plate and a rear sealing plate, the top frame of the structure frame is provided with an upper cover plate, and the structure frame is respectively sealed at the top, the bottom, the front part and the rear part by the upper cover plate, the bottom plate, the front sealing plate and the rear sealing plate; the front side of the inside of the structural frame is separately divided into evaporation chambers independent of other parts of the inside of the structural frame, an evaporator, a water collecting disc and a fan volute are arranged in the evaporation chambers, the evaporator, the water collecting disc and the fan volute are fixed on a bottom plate at corresponding positions, the fan volute is positioned in front of the evaporator, a centrifugal fan is arranged in the fan volute, the air inlet surface of the centrifugal fan faces the evaporation chambers, the water collecting disc is supported below evaporator fins, side sealing plates are respectively arranged on side frames of the corresponding structural frames on two sides of the evaporation chambers, the evaporation chambers are respectively sealed on corresponding sides by the side sealing plates, an air return opening and an air supply opening are formed in the side sealing plates on one side of the evaporation chambers, a housing is respectively covered by the air return opening and the outer side surface of the air supply opening, an air supply pipe connector is arranged on the housing of the air supply opening, one end of the air supply pipe connector is communicated with the air supply opening, the other end of the air supply opening is communicated with the inside of a vehicle, the housing of the air return opening is provided with a heating pipe connector and an air return opening grid, the other end of the air supply opening is communicated with a fuel oil heater in the vehicle, one side of the air return opening grid faces the air return opening and the other side of the vehicle, the other side faces the inside the vehicle, the side of the air supply opening is communicated with a water outlet, the side of the evaporation chamber, and the side of the evaporation chamber is also communicated with the water outlet through a water pump, and the water outlet through the water outlet, and the side of the evaporation chamber; the bottom plate at the corresponding position of other parts in the structural frame is provided with a condenser, a compressor, a liquid storage device, a filter and a throttling device, wherein the compressor is positioned at one side of the other parts in the structural frame, the condenser is positioned at the other side of the other parts in the structural frame, a refrigerant outlet of the compressor is connected with an inlet end of the condenser through a pipeline, an outlet end of the condenser is connected with an inlet end of the liquid storage device through a pipeline, an outlet end of the liquid storage device is connected with an inlet end of the filter through a pipeline, an outlet end of the filter is connected with an inlet end of the throttling device through a pipeline penetrating into an evaporation cavity, and an outlet end of the evaporator is connected with an inlet end of the compressor through a pipeline penetrating out of the evaporation cavity, so that a refrigerant circulation loop is formed; the electric control box is arranged on the side frame on one side of the other part in the structure frame, the condensing fan mounting plate is arranged on the side frame on the other side of the other part in the structure frame, the electric control box and the condensing fan mounting plate are respectively arranged on the other part in the corresponding side surface closed structure frame, the condensing fan mounting plate is provided with the axial flow fan, the air inlet surface of the axial flow fan is respectively towards the condenser, and the air outlet surface of the axial flow fan is respectively led out of the structure frame;
a centrifugal fan is arranged in the fan volute, one surface of the fan volute facing the evaporation cavity is provided with a wind gap, the wind inlet surface of the centrifugal fan is communicated with the wind gap, a guide ring is arranged in the wind gap, the wind outlet surface of the centrifugal fan is communicated with the environment in the vehicle, and the centrifugal fan module carries out ventilation circulation on the working environment so as to achieve the aim of rapid air exchange;
The water outlet is positioned above a water line when the whole vehicle wades.
2. An improved architecture vehicle air conditioning unit as defined in claim 1, wherein: the air outlet surfaces of the axial flow fans are respectively covered with a net cover.
3. An improved architecture vehicle air conditioning unit as defined in claim 1, wherein: the pipeline in the refrigerant circulation loop is rigidly fixed on the bottom plate through the pipe clamp, and the pipeline is supported by the pipeline fixing support fixed on the bottom plate.
4. An improved architecture vehicle air conditioning unit as defined in claim 1, wherein: the compressor is rigidly fixed on the bottom plate through a compressor fixing card.
5. An improved architecture vehicle air conditioning unit as defined in claim 1, wherein: the electric control box is internally provided with a controller, a centrifugal fan driving unit, an axial flow fan driving unit and a compressor driving unit, the controller is respectively in control connection with the centrifugal fan driving unit, the axial flow fan driving unit and the compressor driving unit, the operation panel is electrically connected with the controller, and the power interface is correspondingly and electrically connected with the centrifugal fan, the axial flow fan and the compressor driving unit through the centrifugal fan driving unit, the axial flow fan driving unit and the compressor driving unit respectively.
6. An improved architecture vehicle air conditioning unit as defined in claim 5, wherein: pressure sensors are respectively arranged at the inlet end pipeline and the outlet end pipeline of the compressor in the refrigerant circulation loop, temperature sensors are respectively arranged at the evaporator, the outer side surface of the structural frame and the outlet pipeline of the compressor, a current transformer is electrically connected into a circuit between the compressor driving unit and the compressor, a voltage detection device is electrically connected into a power interface, and the pressure sensors, the temperature sensors, the current transformer and the voltage detection device are respectively electrically connected with a controller in the electric control box.
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| US6763670B1 (en) * | 2003-05-05 | 2004-07-20 | Carrier Corporation | Configuration for modular rooftop air conditioning system |
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| CN212499783U (en) * | 2020-05-25 | 2021-02-09 | 合肥天鹅制冷科技有限公司 | Improve on-vehicle air conditioning equipment of framework |
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| CN111497562A (en) | 2020-08-07 |
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