235results about "Railway heating/cooling" patented technology

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 train type dust falling device comprises a front section train and a rear section train which are arranged on a track of a return airway and connected in series, a horizontal cyclone water film dust remover and an electrostatic dust remover are sequentially arranged on the front section train from front to back, and an air inlet in the front end of the horizontal cyclone water film dust remover is connected with a dust collection pipeline system. A floating dust suction hood, a transfer point dust suction hood and a plurality of working face dust suction hoods are arranged on the dust suction pipeline system, and an electrostatic generator and a counter-rotating axial flow fan are arranged on the rear section of train side by side in the left-right direction. The device can move along with the movement of the coal face, keeps a good dust collection state, and greatly improves the dust collection effect and greatly improves the air environment of the coal face of an underground coal mine in a wet dust collection and electrostatic dust collection combined mode on the premise of ensuring gas safety.

The invention discloses a fireproof partition system, method and device of a rail vehicle energy storage system and a medium, relates to the technical field of rail traffic, and provides the fireproof partition system of the rail vehicle energy storage system in order to solve the problem that an effective fireproof scheme is lacked in a space-first application scene of the rail vehicle energy storage system at present. Fireproof protection of the energy storage system is achieved through the air door arranged at the ventilation and heat dissipation air opening of the energy storage system, and the air door and the energy storage system hardly occupy extra space. And closing control over the air door is fused with an original fault processing mechanism of the train, additional control module arrangement is omitted, and occupied space is further reduced. Therefore, the system provides an effective protection scheme for the fire prevention problem of the rail vehicle energy storage system in a scene with extremely limited space. The energy storage system can be additionally arranged on the railway vehicle on the premise that the requirement of the railway traffic for the fireproof safety level is guaranteed.

This invention relates to the field of vehicle air conditioning control technology, providing a control circuit, method, and rail vehicle for an air conditioning system. The control circuit includes a power supply, an air conditioning controller, and a ventilation switching relay, with the power supply and air conditioning controller forming a first circuit. It also includes a first time relay and a second time relay, with the power supply, ventilation switching relay, first time relay, and second time relay forming a second circuit. The first and second time relays are respectively used to start timing when the air conditioning controller is powered on. If the air conditioning controller fails to start after power-on, and the second time relay has timed for a second duration, the second time relay controls the first circuit to disconnect. After the first time relay has timed for a third duration, the first time relay controls the second time relay to de-energize, thereby reconnecting the first circuit. This invention achieves automatic hard-wired restart in the event of an air conditioning controller failure to start after power-on.

The utility model relates to the technical fields of rail transit especially, a kind of high-speed rail vehicle porous corrugated modeling composite middle roof;Including surface panel, intermediate layer core material, backboard, the surface panel, the intermediate layer core material, the backboard are formed composite middle roof by composite glue composite;The surface panel is porous aluminum plate structure, is provided with corrugated modeling 1-1, the composite filling area is set in the intermediate layer between the parallel surface area of the surface panel and the backboard, and several groups of the intermediate layer core material are set in the composite filling area, and the area outside the composite filling area on the surface panel is provided with decorative hole and can penetrate the structure of the composite middle roof, meet the original decoration and the function premise of convenient inspection door under, further improve sound insulation and thermal insulation performance, while having better stiffness, can reduce the effect of the component vibration when train operation.

The invention provides an urban rail train air conditioner dual-redundancy variable-frequency power source control method and system, and relates to the technical field of emergency protection circuit devices.The method comprises the steps that multi-compartment cooperative control optimization solution is carried out with train exterior environment time sequence data as dynamic boundary conditions, and K refrigeration distribution time sequence baselines are generated; in the differential refrigeration executing process, time sequence state tracking is carried out, and K in-vehicle environment dynamic parameter streams and K multi-mode power state data are obtained; performing power supply health trend analysis, and outputting K power redundancy margin predicted values; demand deviation identification is carried out, and K refrigeration power dynamic compensation amounts are output; and executing two-dimensional toughness control of the K dual-redundancy variable-frequency power supplies through a distributed consensus negotiation algorithm. The technical problems that in the prior art, urban rail train air conditioner power supply control usually adopts load distribution based on preset rules, dynamic change factors of carriages cannot be responded in real time, and the overall energy efficiency of an air conditioner system is affected are solved.

The utility model discloses a heat guarantee device, electric energy equipment and a vehicle, and relates to the technical field of rail transit air conditioners, a liquid cooling branch of the heat guarantee device comprises a water return sub-branch, a water outlet sub-branch, a second heating branch and one or more first heating branches, and the second heating branch and the one or more first heating branches are arranged in parallel; each first heating branch is provided with a first heater; the second heating branch is provided with a second heater and a flow adjusting part; wherein the heating power of the first heater is Q1, and Q1 is a non-negative number; the heating power of the second heater is Q2, and Q2 is a non-negative number; the number of the first heating branches is N, and N is a natural number greater than 0; the heating power of the heat guarantee device can be adjusted in a stepless mode in the range of {kQ2 + NQ1k belongs to [0, 1]}, and k is the adjusting range of the flow adjusting piece. According to the heat guarantee device, stepless adjustment of the heating power is achieved, the problem that in the prior art, the temperature of cooling liquid is difficult to flexibly adjust through a single high-power electric heater is effectively solved, and therefore the stability and adaptability of temperature control are improved.

The utility model relates to the technical field of rail ventilation, and discloses a ventilation device for rail transit, which comprises a ventilation box, a fixing plate is fixedly connected to the front side of the inside of the ventilation box, and bolts are in threaded connection to four corners of the front side of the ventilation box. The rear sides of the multiple bolts all penetrate through the front side of the ventilation box and are in threaded connection with the front side of a fixing plate, an air inlet is formed in the front side of the fixing plate, a draught fan is fixedly connected into the air inlet, an air outlet is formed in the rear side of the interior of the ventilation box, and a hinge is fixedly connected to the top end of the rear side of the interior of the ventilation box. In the utility model, during normal ventilation, airflow inflows to push the valve open, so that the air flows smoothly, the ventilation is stopped or the airflow flows reversely, the inlet pressure is reduced, the gravity shut-off valve is automatically closed by virtue of the hinge under the action of self gravity, the air backflow is prevented, and the one-way ventilation function is realized, so that various weather conditions can be met, and the one-way ventilation device can be suitable for various vehicle types.

To provide a railway vehicle capable of reducing noise of an air-conditioning ventilator propagated through a duct and discharged into the vehicle without narrowing a flow passage cross-sectional area or providing a complicated structure.SOLUTION: In a railway vehicle including a vehicle body, an air-conditioning ventilation device provided in the vehicle body, a duct connecting the vehicle body and the air-conditioning ventilation device, and a noise reduction structure, the noise reduction structure is disposed outside a flow path of air flowing from the inside of the vehicle to the air-conditioning ventilation device in the duct, and is excited at a predetermined frequency corresponding to a sound generated by the air-conditioning ventilation device.SELECTED DRAWING: Figure 4

It is proposed a railway vehicle, comprising - an electric traction motor, - a gearbox, configured to transmit a traction torque from the electric traction motor to a drive wheel of the railway vehicle, - a first heat exchanger, arranged in and / or on the gearbox and / or connected to a gearbox oil circuit, wherein the first heat exchanger is configured to transmit waste heat of the gearbox to a fluid stream, - a second heat exchanger, configured to transmit heat from the fluid stream to a passenger compartment and / or driver compartment of the railway vehicle, - a circulation duct system, configured to circulate the fluid stream between the first heat exchanger and the second heat exchanger. Furthermore, a production method and a use of the railway vehicle according to the invention are proposed.

The invention discloses a shield tunneling machine working face cyclone water film dust removal and electrostatic dust removal rear matching train device which comprises a cyclone water film dust remover and an electrostatic dust remover which are arranged on a front dust removal train section, and an electrostatic generator and a counter-rotating axial flow fan which are arranged on a rear dust removal train section. The front end of the electrostatic generator is connected with the electrostatic dust collector through a cable bridge, and an air outlet in the rear end of the electrostatic dust collector is connected with an air inlet in the front end of the counter-rotating axial flow fan through an air duct bridge; an air inlet at the front end of the cyclone water film dust remover is connected with a dust collection pipeline system; the dust collection pipeline system is provided with a floating dust space dust collection cover, a transfer point dust collection cover and a plurality of cutter head dust collection short pipes. The dust collection device can move along with movement of the shield working face, a good dust collection state is kept all the time, the dust collection effect is greatly improved in a wet dust collection and electrostatic dust collection combined mode, the air environment of the shield working face is fully improved, and meanwhile dust-containing air is prevented from being exhausted into the atmosphere to pollute the atmospheric environment.

A method for controlling an air-conditioning unit which air-conditions the interior of a vehicle includes using a control facility to control the air-conditioning unit in order to air-condition the interior of the vehicle. In order to improve the operation of the air-conditioning unit, a computing facility forms a model using an artificial neural network, the model being configured to ascertain a control variable to be output by the control facility using influencing variables which have an influence on the climate of the interior. A computer program which represents the model is used on the control facility in order to control the air-conditioning unit. An apparatus, a computer program, a computer-readable medium and a vehicle are also provided.

The present application provides a control method and apparatus for an air conditioning unit in a rail train. The method comprises: for each air conditioning unit, acquiring return air temperature values measured by a plurality of return air temperature sensors corresponding to the air conditioning unit; on the basis of the return air temperature values measured by the return air temperature sensors, removing the return air temperature value measured by a faulty return air temperature sensor, to obtain the return air temperature values measured by a plurality of first remaining return air temperature sensors; and on the basis of the return air temperature values measured by the plurality of first remaining return air temperature sensors, removing the return air temperature value measured by a false-reporting return air temperature sensor, to obtain the return air temperature value measured by a second remaining return air temperature sensor, to adjust operation parameters of the air conditioning unit. In this way, by sequentially removing the return air temperature value measured by the faulty return air temperature sensor and the return air temperature value measured by the false-reporting return air temperature sensor, the accuracy of compartment temperature measurement can be improved, thereby improving the accuracy of control on air conditioning units.

A control system (300) for a transport engineless refrigeration unit (301), the control system comprising: a controller (302) for communication between a vehicle (307) and a plurality of vehicle devices, the controller comprising: a vehicle data connection (306) for transmitting data to and from a vehicle; a vehicle engine on / off connection (308) for triggering start-up of the vehicle engine; a plurality of device data connections (314), wherein each device data connection transmits data to and from at least one device external to the controller; and a device power connection (313), wherein the device power connection supplies power from the controller to at least one device external to the controller.

An integrated air supply duct for a high-speed train is characterized in that the integrated air supply duct comprises an air supply duct body, a passenger room top plate and passenger room lighting equipment, the air supply duct body is of a core bearing and airflow conveying structure, and the passenger room top plate serves as an air supply duct body bottom plate and a passenger room decoration top plate; the passenger room lighting equipment is integrated in the passenger room top plate to form an integrated structure integrating air channel, top plate and lighting, the interior of the air supply channel body is divided into a cold air cavity and a warm air cavity which are independent of each other through a partition plate, and independent air supply of cold air and warm air in the cavities is achieved. The structure integration degree is high, and the space utilization rate is remarkably improved; cold air and hot air are independently supplied in different cavities, so that the air distribution is more reasonable; the system weight is greatly reduced, and the vehicle is assisted to be light; the assembly process is simplified, and the production efficiency is remarkably improved; the connection structure is reliable, and the maintenance convenience is improved; the production cost is reduced and the economic advantage is obvious.

The utility model discloses a self-cleaning air conditioner air inlet structure applied to a train. The self-cleaning air conditioner air inlet structure comprises an air conditioner body, a bottom plate is installed at the lower end of the air conditioner body, two installation grooves are formed in the two sides of the upper end of the air conditioner body, two sliding grooves are formed in the upper ends of the two installation grooves, and a traction moving structure is installed at the upper end of the bottom plate. The traction moving structure comprises two operation frames, two double-head motors, four driving shafts, four winding wheels, four traction ropes and a lifting cleaning assembly. The utility model relates to the technical field of train air conditioners, in the scheme, a traction moving structure is adopted, movement of a lifting cleaning assembly is achieved in a two-end traction mode, climbing operation of workers is avoided, and cleaning of an air inlet of an air conditioner can be automatically completed. The cleaning frame can be lowered to one side of the air conditioner body when not in use, normal operation of the air conditioner cannot be affected, and running of a train cannot be disturbed.

System (100) comprising a computer (105) with a processor and a data storage (106), wherein the data storage (106) stores instructions executable by the computer (105) to: to collect data (115) about a skin reaction characteristic from a vehicle occupant; based on the data (115) to determine a target temperature for the passenger compartment; and to adjust an air conditioning system based on the desired temperature of the passenger compartment, wherein the data (115) comprise a skin temperature measured by a portable device (140) and a galvanic response of the skin measured by the portable device (140), wherein the portable device (140) measures the skin temperature and the galvanic response of the skin and determines the target temperature of the passenger compartment based on a most recent measurement of at least one of the skin temperature and the galvanic response of the skin.

The invention provides an air treatment method and system for a railway vehicle and the railway vehicle, the air treatment method for the railway vehicle is based on an air conditioner ventilation system, the air conditioner ventilation system is provided with a fresh air valve and an indoor heat exchange cavity, and the indoor heat exchange cavity is provided with an air purification module; the air purification module is used for decomposing formaldehyde and total volatile organic compounds. The air treatment method comprises the steps that the concentration of carbon dioxide, the concentration of formaldehyde and the concentration of the total volatile organic compounds in a compartment are obtained; the opening degree of the fresh air valve is controlled according to the carbon dioxide concentration, and starting and stopping of the air purification module are controlled according to the formaldehyde concentration and the total volatile organic compound concentration. Therefore, by controlling the fresh air valve of the compartment, the concentration of carbon dioxide in the compartment can be reduced; through the air purification module, the formaldehyde concentration and the total volatile organic compound concentration in the compartment can be reduced, the air quality in the compartment is improved, and the problem that in the related technology, the air quality in the compartment of the railway vehicle is poor is solved.

The application 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 following steps: acquiring heat pump system parameter data and vehicle running state data, and determining a vehicle condition mode according to the vehicle running state data; generating a high-pressure side pressure set value through a preset adaptive heat pump control model according to the determined vehicle condition mode and the heat pump system parameter data; calculating an electronic expansion valve opening degree value according to the generated pressure set value; adjusting the speed of a variable frequency compressor through PID closed-loop control according to the generated pressure set value, and adjusting the opening degree of the electronic expansion valve according to the calculated expansion valve opening degree value. The CO2 transcritical rail vehicle air conditioner heat pump control method provided by the application effectively improves the energy efficiency of the heat pump system and greatly improves the adaptability of the heat pump system.

The invention provides an air conditioner fresh air handling unit suitable for a railway vehicle, the railway vehicle and a control method, and the air conditioner fresh air handling unit comprises a vehicle roof which is constructed to form an air inlet duct used for receiving air outside the vehicle and air inside the vehicle and an air outlet duct used for receiving the air of the air inlet duct and discharging the air into the vehicle; the temperature control assembly is arranged on the upstream of the air outlet duct so as to adjust the temperature of the air flowing into the air outlet duct; the filtering assembly is arranged on the upstream of the temperature control assembly and is configured to filter impurities in the gas flowing through the temperature control assembly; the pressure difference measuring assembly is configured to monitor the pressure difference of the two sides of the filtering assembly in the flowing direction of the gas; and the driving mechanism is configured to drive the filtering assembly to move and replace under the condition that the pressure difference monitored by the pressure difference measuring assembly is greater than a preset pressure difference.

The utility model relates to the technical field of rail transit air duct design, in particular to a double-layer rubber connection soft air duct structure. Comprising an inner-layer air duct and an outer-layer air duct, supporting steel wires are arranged on the inner sides of the inner-layer air duct and the outer-layer air duct; a cavity is formed between the inner-layer air duct and the outer-layer air duct, and the end of the inner-layer air duct and the end of the outer-layer air duct are overlapped and fixed through rivets, so that the effects that the reliability and the heat preservation performance of the connecting air duct between vehicles are improved, and the service life of a product is prolonged are achieved.

The present disclosure provides a rail vehicle control system, a display screen fogging processing method and a rail vehicle, which can be applied to the technical field of rail vehicle control. The rail vehicle control system comprises a display screen, which is used for human-computer interaction with a control personnel and transmits a control operation of the control personnel to a controller; a first detector, which is arranged on a first side of the display screen where the control personnel interacts, is used for detecting a first environmental parameter of the first side and transmitting the first environmental parameter to the controller; a second detector, which is arranged on a second side of the display screen away from the control personnel, is used for detecting a second environmental parameter of the second side and transmitting the second environmental parameter to the controller; the controller is used for converting the control operation transmitted by the display screen into a control instruction and controlling the rail vehicle based on the control instruction; and in the case that the first environmental parameter and the second environmental parameter meet predetermined conditions, generating display screen fogging early warning information.

The utility model provides a railway vehicle which comprises an air conditioning unit and a three-phase active filtering power supply device, and a main body structure of the power supply device is arranged above an air return area of the air conditioning unit. The railway vehicle provided by the utility model is provided with the three-phase active filtering power supply device, so that the internal space of an air conditioner is effectively used, the heat dissipation problem is solved, and a refrigerating system is not influenced.

A method for determining a fresh air volume flow in a vehicle for transporting persons. A water vapor mass flow is introduced into, or generated in, a passenger compartment of the vehicle. The air humidity in the passenger compartment of the vehicle is measured and, once a quasi-stationary air humidity has been reached, the fresh air volume flow is calculated by considering the following: a fresh air volume flow [m3 / h]; a mass of the evaporated water in the compartment [kg / h]; a number of people in the space; a water mass flow produced per person; a density of the fresh air (humid air) [kg / m3]; a is specific air humidity of the fresh air [kg / kg]; a density of the ambient air (humid air) [kg / m3]; and a specific air humidity of the ambient air [kg / kg]. There is also described a device for carrying out the method.

The invention discloses a noise elimination air duct design method, a railway vehicle and a noise elimination air duct thereof.The noise elimination air duct design method comprises the steps that constraint conditions, aerodynamic sound source boundary conditions of an air conditioner air duct system and an air conditioner air duct system geometric model are obtained, and the air conditioner air duct system comprises an air duct body used for transmitting gas; the constraint condition at least comprises a noise upper limit index; the aerodynamic sound source boundary condition is applied to the air conditioner air duct system geometric model so that fluid mechanics and aerodynamic acoustics simulation calculation can be conducted, and a noise exceeding area of an air duct body is determined; based on the constraint conditions, multi-target collaborative optimization is carried out to obtain a silencing air duct technical scheme; according to the technical scheme, the engineering sample piece is prepared and tested according to the noise elimination air duct, the noise elimination air duct meeting the constraint condition and the noise upper limit index is determined, and the noise elimination air duct capable of reducing noise and being configured to the compartment and the feasible design method of the noise elimination air duct are provided.

The utility model provides a passenger car air conditioner internal protection fault diagnosis device, which relates to the technical field of railway passenger train air conditioner maintenance and comprises a detection module, a data processing module and a display module. The detection module and the display module are respectively connected with the data processing module; the data processing module comprises a signal conversion unit and a fault diagnosis unit, the signal conversion unit is respectively connected with the detection module and the fault diagnosis unit, and the fault diagnosis unit is connected with the display module; the signal conversion unit is used for receiving the analog signal and performing signal conversion to obtain a pressure value; and the fault diagnosis unit is used for receiving the pressure value for fault diagnosis and sending a fault diagnosis result and the pressure value to the display module so as to realize corresponding display of the fault diagnosis result and the pressure value. The converted pressure value can serve as an important judgment basis for air conditioner refrigeration pressure change type faults, and the accuracy and efficiency are remarkably improved.

The utility model relates to the technical field of air conditioning units, and discloses a railway locomotive air conditioning unit which comprises a shell, two equipment installation cavities are formed in the shell, a partition plate is arranged between the two equipment installation cavities and fixedly connected with the inner wall of the shell, and opening and closing cover plates are connected to openings of the two equipment installation cavities. Ventilation holes are formed in the side walls of the two opening and closing cover plates in a penetrating mode. According to the air conditioning unit of the railway locomotive, the independent opening and closing cover plates are arranged on the outer sides of the two equipment mounting cavities respectively, so that a user can independently open the cover plates at the corresponding positions to maintain or overhaul equipment in the cavities. By means of the design, when equipment on one side is overhauled, equipment on the other side can still be safely sealed in the installation cavity, external sundries are effectively prevented from invading, the operation stability of the air conditioning unit is guaranteed, and the maintenance operation process is simplified.

The utility model belongs to the technical field of railway vehicles, and discloses a railway vehicle cab air conditioner and a railway vehicle. A main shell of the air conditioner for the cab of the railway vehicle is provided with an air inlet and an air outlet, and the air outlet is used for being communicated with the cab of the railway vehicle; a fresh air box body of the fresh air adjusting structure is integrated on one side outside a main shell, the fresh air box body is provided with a fresh air channel, a fresh air opening, a first communicating opening and a second communicating opening, the fresh air opening, the first communicating opening and the second communicating opening are communicated with the fresh air channel, the fresh air opening is used for being communicated with the outside, the first communicating opening is used for being communicated with a cab of the railway vehicle, and the second communicating opening is directly communicated with an air inlet; the fresh air adjusting valve is arranged at the communicating position of the fresh air opening and the fresh air channel and used for adjusting the flow of fluid flowing from the fresh air opening to the fresh air channel; the temperature sensor is fixedly arranged in the fresh air channel. The temperature in the cab can be accurately and efficiently adjusted to the expected temperature, and extra energy consumption caused by the cab air conditioner body and / or the fresh air adjusting valve can be effectively avoided.