1023results about "Railway heating/cooling" patented technology

The invention belongs to the technical field of rail transit intelligent monitoring, and particularly relates to an intelligent monitoring method and device for a rail transit air conditioning system. According to the method, the sensor array with the self-adaptive sampling frequency is used for collecting the multi-modal operation data, then the collected multi-modal operation data is preprocessed, the feature degradation track atlas is established, powerful data support is provided for subsequent fault early warning and diagnosis, and the fault diagnosis accuracy is improved. Historical abnormal events are introduced to dynamically correct the health state evaluation base line, the timeliness and accuracy of the evaluation base line are ensured, in comparative analysis of real-time operation data and the dynamic evaluation base line, a health degree scoring and dynamic threshold mechanism is adopted, quantitative evaluation of the health state of the air conditioner system is achieved, and the evaluation accuracy of the health state of the air conditioner system is improved. According to the method, a decision graph containing fault diagnosis and predictive maintenance suggestions is generated by analyzing the propagation path and time sequence relevance of abnormal parameters in the air conditioning system and combining an equipment topological relation graph, so that the troubleshooting and repairing efficiency is improved.

The utility model relates to the technical field of rail transit fresh air systems, in particular to an air door actuator of a rail transit fresh air system, which comprises a mounting bottom plate, an air door plate, a support frame, a lifting assembly and a driving assembly, the driving assembly is mounted on the support frame and comprises a rotating shaft, a rotor iron core, magnetic steel and a stator, the rotating shaft is a hollow reducing shaft, and the rotor iron core is arranged on the rotating shaft. The rotor core comprises a large-diameter section and a small-diameter section, the rotor core is mounted at the upper part of the large-diameter section, a circle of cylindrical holes are uniformly formed in the bottom surface of the large-diameter section, magnetic steel and a stator are sequentially arranged outside the rotor core, and a brake is mounted at the upper part of the small-diameter section; the lifting assembly is provided with a ball screw and a lead screw nut, the lead screw nut is installed on the ball screw and fixed to the bottom face of the large-diameter section, the upper portion of the ball screw extends into the hollow portion of the rotating shaft, the lower end of the ball screw is connected with a guide plate, and the guide plate is fixed to the middle of the top of the air door plate. The structure is more compact, the design is more reasonable, the requirement for light weight of rail transit is met, and the waterproof and dustproof requirements can be met.

This device comprises a housing (G1, G2, G3) with an inlet opening (2) and a supply channel (1) for air (3), as well as at least one outlet opening (4b, 5b; 15) for a first and second partial airflow (3a, 3b) from a first and second discharge channel (4, 5). An air guide element (6) is arranged in the housing between the discharge channels. A control element (7) with two radial surfaces (10a, 10b) and a connecting surface (11) encloses a volume around an axis of rotation (8), is arranged in front of the air guide element, and is rotatable in a cylindrical volume region (17) so that, in a release rotary position, the air can be supplied to both discharge channels, and in shut-off rotary positions, to one or neither discharge channel. According to the invention, both radial surfaces have convex contours orthogonal to the axis of rotation, and their chords (SRA, SRb) form an obtuse angle (W).The influencing element is arranged in the housing such that the inlet openings (4a, 5a) of the discharge channels for the partial airflows branch off from the cylindrical volume area in front of the axis of rotation. This has the advantage that the volume occupied by the housing and the installation space required for the air outlet are reduced. In particular, the overall length is shortened in the direction of airflow.

The invention relates to the technical field of air conditioner monitoring, in particular to a subway ventilation air conditioner monitoring system. The method comprises the following modules: a working state identification module S1, which is used for carrying out multi-parameter real-time monitoring on a target subway ventilation air conditioner to obtain an air conditioner operation parameter set; recognizing the working state of the target subway ventilation air conditioner according to the air conditioner operation parameter set to obtain real-time working state data of the air conditioner; the passenger flow monitoring module S2 is used for carrying out panoramic shooting on the target subway carriage to obtain a real-time panoramic image of the carriage; passenger density distribution calculation is conducted on a target subway carriage according to the real-time panoramic image of the carriage, carriage passenger density distribution data are obtained, and the target subway carriage is the subway carriage where the target subway ventilation air conditioner is located. The problems that a traditional ventilation air conditioner monitoring system is poor in flexibility, slow in response, single in parameter regulation and control and waste in energy are effectively solved, and the comfort level of subway passengers is remarkably improved.

The utility model relates to the technical field of adjustable locomotive air duct structures applied to center sill bearing, in particular to an adjustable locomotive air duct structure applied to center sill bearing, which comprises an air duct body and an air volume adjusting device. An air inlet is formed in one end of the air duct body, arc-shaped flow guide plates are arranged on the two sides of the air inlet, and a near-end ventilation air duct and a far-end ventilation air duct are arranged on the side faces of the arc-shaped flow guide plates respectively. Three sets of air volume adjusting devices are arranged on the side, close to the air inlet, of the near-end ventilation air duct. Three sets of air volume adjusting devices are arranged on the side, away from the air inlet, of the near-end ventilation air duct. The air volume adjusting device comprises an air outlet and an air volume adjusting plate, and the air outlet is connected with the air volume adjusting plate in a sliding mode. A frame ventilation cavity is optimized, the problems of air pressure slowing down and air volume attenuation during long-distance ventilation of the locomotive are solved, the air volume and the air pressure of each air outlet can be further controlled through the air volume adjusting device, and air volume distribution of each air outlet can be matched to the maximum extent.

The invention provides a vehicle body top cover structure, a railway vehicle, electronic equipment and a method. The car body top cover structure comprises a middle top cover, an air duct, a longitudinal beam and top cover edge beams, the air duct and the longitudinal beam are connected to the lower end of the middle top cover, the top cover edge beams are connected to the two ends of the middle top cover, the top cover edge beams extend in the length direction and divide the section of each top cover edge beam into a plurality of special-shaped cavities, and the cross section of each top cover edge beam is a special-shaped section with one end becoming wider from narrow. The thin end of the special-shaped section is connected with the middle top cover; the middle top cover comprises an upper face plate, a framework and a lower face plate which are sequentially stacked from top to bottom, the upper face plate, the framework and the lower face plate are connected through tough glue, a foam plate is embedded in the framework, and the longitudinal beams are arranged on the two sides of the air channel respectively. The top cover edge beam air conditioner bearing and lightweight design is achieved, and under the constraint conditions of air conditioner bearing, integrated overall deformation, torsional deformation and the like, overall deformation is controllable in the two-time vehicle weight ultimate bearing state.

The invention discloses a remote intelligent monitoring method for the health condition of an air conditioning system of a rail transit vehicle, and relates to the technical field of intelligent control, the rail transit air conditioning system is initialized, data are collected in real time, and the data are sent to edge computing equipment through wireless communication; after edge calculation, the preprocessed data are compared with preset parameters, and the current state of the air conditioner system is calculated; based on the state, a physical model is constructed for fault deduction, operation of the air conditioning system is simulated through thermal load prediction and pressure change analysis, and a fault deduction report is generated through comparison with real-time data; inputting the report into a machine learning algorithm for analysis, and judging a fault type and a fault source according to historical fault data and an air conditioning system working mode; and in combination with remote intelligent self-adaptive control, system parameters are optimized, and the state of the air conditioning system is updated. Real-time acquisition, modeling deduction and machine learning are fused, the fault diagnosis accuracy and response speed are improved, and the reliability and intelligence of the rail transit air conditioning system are enhanced.

The invention discloses a rail locomotive air conditioner low-harmonic variable-frequency power supply system and a control method, and relates to the technical field of harmonic control. According to the method, historical harmonic fault data are analyzed to determine a harmonic sensitive section, and multiple control strategies are determined based on the harmonic sensitive section; starting the locomotive air conditioner, collecting cold start load data of the locomotive air conditioner in real time, and preprocessing the cold start load data to obtain a standard cold start data set; extracting a cold start load index in the standard cold start data set, when the cold start load is judged to be abnormal based on the cold start load index, extracting harmonic trend data, a harmonic trend index and a frequency output function in the standard cold start data set, calculating and outputting a comprehensive execution risk value, and determining a start risk level based on the comprehensive execution risk value. And selecting and executing a corresponding control strategy, and dynamically adjusting the starting frequency of the locomotive air conditioner based on the control strategy. By means of the method, the air conditioner starting stability under the complex working condition can be greatly improved.

The embodiment of the invention provides a carriage top plate assembly, a carriage and a vehicle. The top plate assembly comprises a high-area top plate, a low-area top plate and a transition top plate. The high-area top plate and the low-area top plate are sequentially arranged in the length direction of a carriage, an integrated air duct is arranged on the low-area top plate, and a transition top plate is arranged between the high-area top plate and the low-area top plate and connected with the high-area top plate and the low-area top plate. According to the top plate assembly, transition from the high area to the bottom area of the compartment top plate is achieved, the attractiveness of a passenger room area and visual flexibility of passengers are met, the integrated air flue is arranged on the low-area top plate, overall goods supply can be facilitated, the problem that under the condition that a special vehicle body is low in top, an air conditioner air flue is not easy to install is solved, the installation manufacturability is improved, and the installation cost is reduced. The cost is reduced, and the installation efficiency is improved.

The invention provides a CO2 transcritical rail vehicle air conditioner heat pump system and a control method thereof, and belongs to the technical field of rail vehicle air conditioner control. The control method comprises the steps that heat pump system parameter data and vehicle running state data are obtained, and a vehicle condition mode is determined according to the vehicle running state data; according to the determined vehicle condition mode and the heat pump system parameter data, a high-pressure side pressure set value is generated through a preset self-adaptive heat pump regulation and control model; calculating an opening value of the electronic expansion valve according to the generated pressure set value; and according to the generated pressure set value, the rotating speed of the inverter compressor is adjusted through PID closed-loop control, and the opening degree of the electronic expansion valve is adjusted according to the calculated opening degree value of the expansion valve. According to the CO2 transcritical railway vehicle air conditioner heat pump control method, the energy efficiency of a heat pump system is effectively improved, and the adaptability of the heat pump system is greatly improved.

The invention discloses a locomotive control method which comprises the following steps: in response to a received air compressor early warning signal, disconnecting an early warning contactor of an air compressor and generating a running state low level signal; judging whether the number of times of generating the running state low-level signal in a preset time period reaches a threshold value or not; and in response to reaching the threshold value, reducing the running speed of the locomotive in the automatic driving state and entering a constant-speed running state. The invention further discloses a system, computer equipment and a readable storage medium. According to the scheme provided by the invention, the early warning contactor is additionally arranged on the control branch, so that after the early warning signal of the air compressor is detected, the control branch is disconnected, the low-level signal is generated, the number of times of failures in the preset time period is detected, and the driving state of the vehicle is controlled according to the number of times of failures.

The application discloses a traction transformer control cabinet and a rail train, and relates to the technical field of rail transit vehicles.The traction transformer control cabinet comprises a detachable shell and a control module arranged in the detachable shell; wherein the control module is used for determining the fan frequency of the fan in the cooling system of the traction transformer according to the first collection data sent by the whole vehicle controller of the rail train and the second collection data sent by the traction transformer, so as to utilize the fan frequency to perform frequency conversion control on the fan; the first collection signal comprises vehicle speed data, and the second collection signal comprises oil temperature data; through the arrangement of the traction transformer control cabinet, the control module in the traction transformer control cabinet performs frequency conversion control on the cooling fan according to the data such as the vehicle speed of the train and the oil temperature of the traction transformer, the low noise and the intelligentization of the traction transformer are realized, the noise of the rail train can be effectively reduced, and the passenger comfort is improved.

The invention provides a control method and a power-saving analysis method of a railway vehicle air conditioning system, and relates to the technical field of railway vehicle air conditioning system control. The control method comprises the steps that at least one environmental parameter sensor distributed in each compartment is used for collecting at least one piece of environmental parameter data, and the collected environmental parameter data are classified and marked according to compartment numbers; on the basis of the collected environment parameter data and a preset air conditioner regulation and control strategy, an execution command used for railway vehicle partition control is generated; and an execution command is sent to an execution unit of the corresponding compartment, so that the execution unit responds to the execution command and executes dynamic adjustment, and partition control over the air conditioning system of the railway vehicle is achieved. According to the method, through decision making of zone control, dynamic adjustment, intelligent management and data driving, the comfort, reliability and energy utilization efficiency of the rail vehicle air conditioning system are remarkably improved, and meanwhile the adaptability and flexibility of the system are enhanced.

A method for operating an air conditioning system for a vehicle for transporting persons. The air conditioning system, depending on the current number of passengers in a passenger compartment of the vehicle (level of occupation), controls a fresh air volume flow to be introduced into the passenger compartment from outside the vehicle in order to maintain a predefined minimum ambient air quality. The air conditioning system determines a total water mass flow, which is currently produced by the passengers in the passenger compartment, on the basis of air-conditioning measurement values and a current value for at least one operating parameter of the air conditioning system. From the total water mass flow and a predefined value for a water mass flow produced by a single passenger, the system determines the current number of passengers in the passenger compartment. There is also described an air conditioning arrangement for carrying out the method.

According to the passenger room air supply system suitable for the urban railway vehicle, a first air conditioning unit and a second air conditioning unit are arranged in the length direction of each carriage of the railway vehicle, and air supply outlets are formed in the two ends and the bottom of each air conditioning unit; the air supply system further comprises a first air supply duct, a second air supply duct, a third air supply duct, a fourth air supply duct and a fifth air supply duct. When other equipment is arranged on the roof, two air conditioning units cannot be symmetrically arranged in the length direction of the automobile, so that the positions of air supply outlets of the air conditioning units are also asymmetrical, the air supply duct of the passenger room adopts a mode of combining top plate pore plate air supply and two-side grating air supply, the air supply area is large, the air supply uniformity requirement of each area in the automobile can be met, and the air supply efficiency is improved. And meanwhile, the air conditioning unit is connected with the air conditioning unit in a pressing mode through a sealing rubber strip, so that the air conditioning unit is more convenient to install.

To provide an air-conditioning control device which controls air-conditioning by predicting a flow of air or a temperature change in a car along with traveling of a train.SOLUTION: This air-conditioning control device comprises an acquisition unit that acquires, as acquisition data, information on the motion of a vehicle including a set temperature, an in-car temperature, an out-of-car temperature, an adjacent car inside temperature, and a speed or accelerator. The air-conditioning control device further comprises a calculation unit that calculates the air-conditioning strength of an air-conditioner. The air-conditioning control device yet further comprises an output unit that converts the air-conditioning strength, and outputs an air-conditioning command value. The calculation unit includes an in-car temperature correction unit that estimates a change of the in-car temperature caused by air flowing-in from outside the car or an adjacent vehicle on the basis of the acquisition data, and corrects the in-car temperature. The calculation unit further includes an air-conditioning strength setting unit that calculates the air-conditioning strength from the corrected in-car temperature corrected by the in-car temperature correction unit.SELECTED DRAWING: Figure 3

An air duct system for a passenger car of a suburban rail train and a suburban rail train, the air duct system for a passenger car of a suburban rail train being arranged on the top of a passenger car of a suburban rail train. The air duct system for a passenger car of a suburban rail train comprises a plurality of air duct sections, the plurality of air duct sections being successively connected end to end in the length direction of the suburban rail train; each air duct section comprises a main body, air supply pipes (4) and air return pipes (5); each main body comprises an air supply cavity (19) and air return cavities (20), the air return cavities (20) being arranged on two sides of the upper part of the air supply cavity (19); the air supply pipes (4) lead to the air supply cavity (19), and the air return pipes (5) lead to the air return cavities (20); first air supply outlets (12) of the air supply pipes (4) are rotatably arranged in the side walls of the upper part of the passenger car of the suburban rail train, and air return inlets (13) of the air return pipes (5) are arranged in the bottom of the passenger car of the suburban rail train; air conditioning units are provided at positions where the plurality of air duct sections are connected to each other, the air conditioning units being communicated with the air return cavities (20) and the air supply cavities (19). The air duct system for a passenger car of a suburban rail train optimizes the structure of the air supply cavities (19) and the air return cavities (20), so as to conveniently supply air and promote airflow circulation, thus improving riding comfort.

The utility model discloses a heat dissipation structure of train vehicle air conditioner control equipment, which relates to the technical field of rail transit and comprises a box body, a fan fixing box, an alternating current device contact module and a heat dissipation fan. The box body is provided with a containing cavity with an opening in the top, the fan fixing box covers the opening of the containing cavity, an air outlet is formed in the fan fixing box, the multiple cooling fans are installed in the fan fixing box, and hot air in the containing cavity is exhausted through the cooling fans; a plurality of alternating current contactor modules are arranged in the accommodating cavity of the box body side by side, each alternating current contactor module comprises a board card fixed in the accommodating cavity along the vertical direction, and each board card is provided with a radiator; the beneficial effects of the utility model are that the heat accumulated in the AC contactor module can be reduced, the service life is prolonged, the working efficiency of the AC contactor module is improved, and the long-term stable work of the AC contactor module is ensured.

The invention provides a fault positioning method which can be applied to the technical field of intelligent temperature control. The fault positioning method comprises the steps that a temperature sensor is used for conducting temperature detection on a target area of a train, and a first temperature value is obtained; according to the first temperature value and a first preset judgment condition, a warm air assembly is controlled to be started so that the warm air assembly can heat the target area by making air flow; under the condition that the warm air assembly is in the open state and a closing signal fed back by the temperature control switch cannot be received, the open state of the warm air assembly is maintained, and the temperature control switch feeds back the closing signal according to the air outlet temperature of the warm air assembly; and abnormal reporting information related to the warm air assembly or the temperature control switch is sent to a monitoring center, so that the monitoring center carries out fault positioning according to the abnormal reporting information. The invention further provides a fault positioning device and a train.

The invention provides a comfort-based big data analysis and adjustment system for an urban rail transit vehicle air conditioner, and relates to the technical field of data analysis and adjustment. Comprising a data acquisition module, a data analysis module, a control strategy module and a control execution module. The data acquisition module acquires related data of urban rail transit vehicles in real time; the data analysis module obtains the sendible temperature with the highest comfort at present; the control strategy module is used for constructing a control model based on a random forest and obtaining a real-time adjustment strategy; the control execution module adjusts the temperature, the humidity and the wind speed. The comfort level of passengers can be improved, personalized comfort adjustment is achieved, energy can be saved, consumption can be reduced, the operation efficiency can be improved, and environmental protection is facilitated. Meanwhile, through intelligent operation and maintenance, the maintenance cost can be reduced, and the reliability of the system is improved.

The invention relates to the technical field of rail transit electrical equipment monitoring, and discloses a thermal fault cooperative monitoring method and system for a silicon carbide module in a rail transit frequency converter. According to the method, multi-dimensional parameters of junction temperature, leakage current, threshold voltage and thermal stress are collected, a loss model is constructed based on an FOC algorithm to calculate the junction temperature, and the three-dimensional parameters are associated to form fault precursor identification logic; a threshold value is dynamically adjusted in combination with working condition and service life double factors, and graded early warning is triggered through an SIL2-level safety closed loop; the fault risk is predicted based on the LSTM model, and operation and maintenance instruction closed-loop interaction is realized. The system comprises a thermal monitoring module, a collaborative analysis module, a graded early warning module and a data interaction module, and a large number of existing components are reused. According to the method, the problems of multi-physics field missing report, poor threshold adaptation and weak safety operation and maintenance are solved, the missing report rate is reduced to 0.3%, the false alarm rate is reduced to 2%, the operation and maintenance time is shortened by 75%, and the method is suitable for high-speed rail and subway frequency converter scenes.

The invention provides an internal combustion motor train unit equipment compartment and an internal combustion motor train unit, and the equipment compartment comprises two apron boards which extend along the length direction of a train body and are arranged at intervals along the width direction of the train body; the bottom plate is parallel to the bottom of the vehicle body and is lapped between the two apron boards; the two end plates are arranged at intervals in the length direction, and a containing space used for containing an internal combustion power pack is defined by the two end plates, the apron board, the bottom plate and the vehicle body; the first ventilation module comprises a first air outlet and a plurality of first fans arranged around the internal combustion power pack, and the first air outlet is formed in the bottom plate and used for driving at least part of heat generated by the internal combustion power pack to be discharged out of the containing space through the first air outlet; and the second ventilation module is used for driving residual heat generated by the internal combustion power pack and heat of other equipment in the cabin to be discharged out of the accommodating space and allowing cold air outside the cabin to be supplemented to the accommodating space. The exhaust air rate and the pressure head of the second ventilation module are larger than those of the first ventilation module, so that overall ventilation of the equipment compartment and local ventilation of the internal combustion power pack are both considered.

The utility model provides a motor train unit glass partition device integrated with a classification dustbin and an electric heater. The motor train unit glass partition device comprises a top beam hanging seat, a top beam reinforcing seat, a top beam cross beam, laminated glass, a handrail mounting seat, a stand column handrail, a handrail decorative cover, an electric heater ventilation sealing plate, a dustbin body, a classification dustbin assembly, a pressing lock, the electric heater and a glass clamp. The top beam hanging seat, the top beam reinforcing seat and the top beam cross beam form a frame through bolts, the stability of the stand column handrail of the glass partition is guaranteed, and the stand column handrail and the dustbin body are laminated glass, provided with mounting grooves and provided with clamping rubber strips. Compared with the prior art, permeability can be increased, holding and leaning functions are added, practicability is enhanced by integrating the electric heater and the classification dustbin, and the whole structure is more stable by increasing the contact area with the ground through the top beam. The installation is more convenient.

The present application relates to a subway car air conditioning unit installation device, which relates to the technical field of air conditioning units. The installation device includes a body, an inspection port, and a blocking device. The blocking device includes: a sealing ring, which is arranged on the body and makes the inspection port located on the inner side of the sealing ring; an inspection door, which is rotatably installed on the body and has a sealing cavity. When the inspection door abuts against the body, the sealing ring is located in the sealing cavity and abuts against the sealing cavity to achieve positioning and sealing; a positioning support mechanism, which is arranged on the body and is used to support and position the inspection door. The present application positions and supports the inspection door through the inspection port, and then the air conditioning unit can be inspected through the inspection port. After the inspection is completed, the inspection door abuts against the body to close the inspection port, so that the sealing ring extends into the sealing cavity for sealing, thereby improving the inspection efficiency and service life of the air conditioning unit.

The invention relates to the technical field of locomotive roofs, and discloses a loadable lightweight stepped locomotive roof which comprises a first roof area and a second roof area, the plane of the first roof area is lower than that of the second roof area for bearing, the bottom layer of each roof area is provided with a structural frame, the structural frame comprises cross beams and longitudinal beams, and the cross beams and the longitudinal beams are arranged in a crossed mode. The joint positions of the two top cover areas are connected through an L-shaped supporting beam, the structural frame and the L-shaped supporting beam are continuously covered with a skin to form a stepped top cover, and mounting beams connected with the side walls are arranged on the two sides of the second top cover area. Sealing structures are arranged between the front end of the first top cover area and the cab rear wall and between the two sides of the first top cover area and the side walls. The top cover is subjected to lightweight design, the top cover is partitioned, and equipment is arranged in a step area of the top cover, so that the equipment mounting surface sinks, the appearance effect of the whole locomotive is not affected after the equipment is mounted, the top space is fully utilized, and the whole locomotive modal is effectively improved.

An object of the present invention is to provide an air conditioner for a rail vehicle that is excellent in cleanliness and comfort by cleaning the air conditioner at an appropriate timing without causing discomfort to passengers. An air conditioner for a rail vehicle including a vehicle control system includes: a refrigeration cycle device 3 that can execute a cleaning operation; and an air conditioning control device 4 that controls the refrigeration cycle device, and the air conditioning control device 4 can communicate with the vehicle control system 2 and causes the refrigeration cycle device 3 to execute a cleaning operation on the basis of status information obtained from the vehicle control system 2.

The embodiment of the utility model provides air conditioner control equipment and a train air conditioner control system. The air conditioner control equipment comprises an equipment shell and a plurality of board cards, the plurality of board cards comprise a core board integrated with a control circuit; a plurality of communication interface circuits and power supply circuits are integrated on the bottom plate; an expansion board for expanding an input function and / or an output function of the control circuit; a backboard integrated with a communication connection line and a power supply connection line; the core plate is inserted into the bottom plate; the bottom plate is inserted into the back plate; the backboard is also provided with a plurality of expansion interfaces; the expansion board is inserted into the back board through the expansion interface, communication connection between the expansion board and the bottom board is established through the communication connection line, and electric connection between the expansion board and the bottom board is established through the power supply connection line. The board card in the air conditioner control equipment adopts a modular design, so that functions on the board card can be expanded conveniently.

The present invention belongs to the technical field of thermal management of rail vehicles. Disclosed is a secondary loop thermal management system for a CO2 heat pump air conditioner, comprising: a CO2 processing module comprising a compressor, a gas cooler, a throttle valve, an evaporator and a gas-liquid separator; an outdoor air module comprising a first heat exchanger and a second heat exchanger; an indoor air module comprising a cooling plate and a heating plate, wherein the heating plate comprises a third heat exchanger and a fourth heat exchanger, and the cooling plate comprises a fifth heat exchanger and a sixth heat exchanger; a drinking water module comprising a heater; and an electrical and waste heat recovery module comprising a transformer converter, a seventh heat exchanger and a high-temperature energy storage device. According to the technical solution provided by the present invention, full energy recovery and gradient utilization of energy can be realized, so that the effects of energy conservation and environmental protection are achieved; and the economic cost of a CO2 heat pump air conditioning system of the rail vehicle can be lowered, and the use safety is improved.

An electric device includes a heat-receiving block, a heat transfer member, multiple fins, and a cover. The cover includes a side wall extending in a direction surrounding a normal line to a second main surface of the heat-receiving block and a lid attached to the side wall with the heat transfer member located between the lid and the heat-receiving block. The cover accommodates the heat transfer member and the fins in a space surrounded by the side wall and the lid. The cover has a vent in at least an outer surface of the side wall intersecting with a travel direction of a vehicle. A ratio of an open area of the vent to an area of the outer surface of the side wall is higher than a ratio of an open area of a vent to an area of an outer surface of the lid.