CN211685096U - Rail vehicle heat exchange device and rail vehicle - Google Patents
Rail vehicle heat exchange device and rail vehicle Download PDFInfo
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- CN211685096U CN211685096U CN202020103350.1U CN202020103350U CN211685096U CN 211685096 U CN211685096 U CN 211685096U CN 202020103350 U CN202020103350 U CN 202020103350U CN 211685096 U CN211685096 U CN 211685096U
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Abstract
The utility model discloses a rail vehicle heat transfer device and rail vehicle. The utility model discloses a main technical scheme does: the heat exchange device for the rail vehicle comprises a shell, a heat exchange device, a first airflow control assembly, a second airflow control assembly and a controller, wherein the heat exchange device is arranged in an accommodating space of the shell, and a fresh air channel and an exhaust air channel which are mutually separated and adjacent are arranged in the heat exchange device; a first air inlet and a first air outlet are formed in one side, far away from the top of the rail vehicle, of the shell, a second air inlet and a second air outlet are formed in one side, close to the top of the rail vehicle, of the shell, and the second air inlet and the second air outlet are communicated with the interior of a carriage of the rail vehicle; the first air flow control assembly is arranged at the first air inlet and used for generating air flow entering the fresh air channel; the second air flow control assembly is arranged at the first air exhaust opening and used for exhausting air flow of the air exhaust channel; the controller is in signal connection with the general control of the rail vehicle, and the controller is in signal connection with the first airflow control assembly and the second airflow control assembly.
Description
Technical Field
The utility model relates to a track traffic air regenerating device technical field especially relates to a rail vehicle heat transfer device and rail vehicle.
Background
The rail transit vehicle is intensive occasion of personnel, and in order to guarantee the respiratory needs of passenger, the rail transit vehicle need be through air conditioning system with a large amount of fresh air induction carriage in, when introducing the new trend, discharge about equivalent waste gas. When the outside temperature is low in winter, a preheater is required to be configured for fresh air, and the low-temperature air is heated and then sent into a carriage (for example, the temperature is heated from-10 ℃ to 18 ℃) so as to avoid discomfort of passengers; similarly, in summer, air with high external temperature needs to be cooled and then sent into the carriage. The existing temperature regulating system of the railway vehicle mostly adopts an electric heating/refrigerating mode to regulate the temperature.
However, in the existing electric heating/cooling mode, energy is discharged while exhaust gas in the vehicle is discharged outside, and then fresh air outside the vehicle is re-regulated, so that energy waste and more electricity consumption are caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a rail vehicle heat transfer device and rail vehicle, the main objective is solved air regenerating device in the current rail transit and need heat or cool off the new trend, consumes the problem of a large amount of electric energy.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a rail vehicle heat transfer device sets up at the rail vehicle top, and it includes:
the air conditioner comprises a shell, a heat exchanger and a fan, wherein the shell is provided with an accommodating space, the accommodating space is internally provided with the heat exchanger, and a fresh air channel and an exhaust air channel which are mutually separated and adjacent are arranged in the heat exchanger;
the air conditioner comprises a shell, a fan motor, a;
a first air inlet and a first air outlet are formed in one side, far away from the top of the rail vehicle, of the shell, a second air inlet and a second air outlet are formed in one side, close to the top of the rail vehicle, of the shell, the first air inlet and the second air inlet are formed in two ends of the fresh air channel, the first air outlet and the second air outlet are formed in two ends of the air exhaust channel, and the second air inlet and the second air outlet are communicated with the interior of the compartment of the rail vehicle;
the first air flow control assembly is arranged at the first air inlet and used for generating air flow entering the fresh air channel;
the second air flow control assembly is arranged at the first exhaust port and used for exhausting the air flow of the exhaust channel;
the controller is in signal connection with a master control of the rail vehicle, and the controller is in signal connection with the first airflow control assembly and the second airflow control assembly and is used for controlling the size of the airflow.
Optionally, the heat exchange device for the rail vehicle comprises a mounting shell and a heat exchange core, wherein the heat exchange core is arranged in the mounting shell;
a third air inlet and a fourth air outlet are formed in one side, far away from the top of the railway vehicle, of the mounting shell, a third air inlet and a fourth air inlet are formed in one side, close to the top of the railway vehicle, of the mounting shell, and the third air inlet, the fourth air inlet, the third air outlet and the fourth air outlet are sequentially arranged at intervals in the circumferential direction of the mounting shell;
the third air inlet is communicated with the first air inlet of the shell, and the third air outlet is communicated with the second air inlet of the shell to form a fresh air channel from the outside to the inside of the carriage; the fourth air inlet is communicated with the second air outlet of the shell, the fourth air outlet is communicated with the first air outlet of the shell to form an air exhaust channel from the interior of the carriage to the exterior, and the fresh air channel and the air exhaust channel are mutually crossed to form an X-shaped line.
Optionally, the heat exchange core comprises a plurality of heat exchange plates;
the heat exchange plate is in a polygonal plate shape, and the middle part of the heat exchange plate is provided with uniformly arranged corrugations;
the corrugated shapes of the adjacent heat exchange plates are arranged in a 90-degree crossed manner, a partition plate is arranged between the adjacent heat exchange plates, and an air flow channel is formed on each of two sides of the partition plate;
the openings at two sides of the air flow channel are respectively communicated with the third air inlet and the third air outlet to form the fresh air channel, the openings at two sides of the air flow channel are respectively communicated with the fourth air inlet and the fourth air outlet to form the air outlet channel, and the air inlet ventilation and the fresh air channel are adjacent and alternately arranged in the heat exchange core.
Optionally, the heat exchange device for the rail vehicle further comprises a temperature sensor and a temperature adjusting device;
the temperature sensor is arranged at the third air outlet, is in signal connection with the controller and is used for detecting whether the air flow in the fresh air channel reaches a preset air inlet temperature or not;
the temperature adjusting device is arranged between the third air outlet and the second air inlet and is in signal connection with the controller;
wherein, the interior air current of new trend passageway has not reached predetermine inlet air temperature, controller control attemperator is right the air current in the new trend passageway carries out the secondary and adjusts the temperature.
Optionally, the vehicle heat exchanging device is a vehicle heat exchanger, wherein the temperature adjusting device is an electric heating device or a cooling coil.
Optionally, the vehicle heat exchanging device is a vehicle heat exchanger, wherein the temperature adjusting device is the electric heating device;
the heat exchange plate is made of a first material, and the heat exchange device has a better preheating function.
Optionally, the vehicle heat exchanging device, wherein the temperature adjusting device is the cooling coil;
the heat exchange plate is made of a second material, and the heat exchange device has a good pre-cooling function.
Optionally, in the foregoing vehicle heat exchanging device, a sealing device is disposed at each of the second air inlet and the second air outlet.
Optionally, in the vehicle heat exchanging device, both ends of one side of the casing, which is close to the top of the rail vehicle, are provided with mounting seats, so as to be mounted in cooperation with the top of the rail vehicle.
On the other hand, the embodiment of the utility model provides a rail transit vehicle, it includes:
the heat exchange device for the rail vehicles is characterized by comprising a plurality of heat exchange devices for the rail vehicles, wherein each heat exchange device for the rail vehicles is arranged at the top of each carriage.
The embodiment of the utility model provides a rail vehicle heat transfer device and rail vehicle for solve the problem that ventilation equipment in the existing rail transit needs to heat or cool the fresh air and consumes a large amount of electric energy; the heat exchange device is arranged in the accommodating space of the shell, the controller controls the first airflow control assembly to introduce external fresh air into the carriage through the fresh air channel, meanwhile, the waste gas in the carriage is discharged out of the carriage through the exhaust channel through the second airflow control assembly, and the fresh air and the waste gas are subjected to heat exchange in the heat exchange device, so that the fresh air in the fresh air channel is heated or cooled by utilizing the temperature of the waste gas and then is put into the carriage, the temperature regulation operation before the fresh air enters the carriage is met, the temperature of the waste gas is utilized, and the electric energy consumed by temperature regulation is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchange device for a rail vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a heat exchange core of a heat exchange device in a heat exchange device for a rail vehicle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rail vehicle according to an embodiment of the present invention;
in the figure: the air conditioner comprises a shell 1, a first air inlet 11, a first air outlet 12, a second air inlet 13, a second air outlet 14, a mounting seat 15, a heat exchange device 2, a mounting shell 21, a third air inlet 211, a fourth air inlet 212, a third air outlet 213, a fourth air outlet 214, a heat exchange core 22, a heat exchange plate 221, a partition plate 222, a first airflow control assembly 3, a second airflow control assembly 4, a carriage 5, a temperature sensor 6 and a temperature adjusting device 7
Detailed Description
In order to further explain the technical means and effects of the present invention adopted to achieve the objectives of the present invention, the following detailed description will be given after the following with reference to the accompanying drawings and preferred embodiments of the present invention with reference to the specific embodiments, structures, features and effects of the heat exchange device for rail vehicles and rail vehicles provided by the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The utility model discloses technical scheme for solving above-mentioned technical problem, the general thinking is as follows:
example 1
Referring to the attached drawing 1, the utility model provides a rail vehicle heat transfer device sets up at the rail vehicle top, and it includes: the air conditioner comprises a shell 1, a heat exchange device 2, a first airflow control assembly 3, a second airflow control assembly 4 and a controller, wherein the shell 1 is provided with an accommodating space, the heat exchange device 2 is arranged in the accommodating space, and a fresh air channel and an exhaust air channel which are mutually separated and adjacent are arranged in the heat exchange device 2; a first air inlet 11 and a first air outlet 12 are arranged on one side, far away from the top of the rail vehicle, of the shell 1, a second air inlet 13 and a second air outlet 14 are arranged on one side, close to the top of the rail vehicle, of the shell 1, the first air inlet 11 and the second air inlet 13 are arranged at two ends of the fresh air channel, the first air outlet 12 and the second air outlet 14 are arranged at two ends of the air outlet channel, and the second air inlet 13 and the second air outlet 14 are communicated with the interior of the rail vehicle compartment 5; the first airflow control assembly 3 is arranged at the first air inlet 11 and used for generating airflow entering the fresh air channel; the second airflow control assembly 4 is arranged at the first exhaust port 12 and used for exhausting airflow of the exhaust channel;
the controller is in signal connection with the general control of the rail vehicle, and the controller is in signal connection with the first airflow control component 3 and the second airflow control component 4 and is used for controlling the size of the airflow.
In particular, in order to solve the problem that the ventilation equipment in the existing rail transit needs to heat or cool the fresh air in winter or summer and consumes a large amount of electric energy, the embodiment of the utility model discloses an embodiment is through a rail vehicle heat transfer device, and it is seted up in one side of casing 1 that is kept away from the vehicle top first air intake 11 with first exhaust port 12, is seted up in one side that is close to the vehicle top second air intake 13 with second air exit 14, and set up in casing 1 have separate and adjacent fresh air passageway and exhaust passageway heat transfer device 2 each other, and then make the external fresh air pass through first air intake 11 via the fresh air passageway, second air intake 13 absorbs the energy of waste gas in the exhaust passageway adjusts the temperature in the process of entering carriage 5, because the air current in the exhaust passageway is the waste gas in carriage 5 via second air exit 14, In the process that the exhaust channel and the first exhaust port 12 exhaust outside, the energy of the exhaust channel (high temperature or low temperature compared with the outside temperature) and the fresh air in the fresh air channel exchange heat in the exhaust channel, so that the temperature adjustment of the air flow in the fresh air channel is realized.
The housing 1 is a structure having an accommodating space, and in this embodiment, the housing may be configured as a polyhedron structure that is adapted to a rail transit vehicle and has a smaller height under the same accommodating space condition, for example: the upper and lower top surfaces shown in fig. 1 are planar structures with different areas (it can be understood that the surface matched with the roof is larger, and the surface far away from the roof is smaller), and the circumferential side wall is in a form of combining an inclined surface and a vertical surface, so that the height of the side surface is reduced, and the cable in the track is prevented from being scraped or wound; the two ends of one side of the shell 1, which is close to the top of the rail vehicle, are provided with mounting seats 15 (such as L-shaped angle iron shown in fig. 1) for being mounted in a matching manner with the top of the rail vehicle, and being screwed or welded without being limited too much, as long as the requirements of the rail transportation industry on impact resistance, vibration resistance and the like (IEC 61373 and the like) are met.
The first air inlet 11 and the first air outlet 13 are arranged on the side wall of the inclined part of the shell 1, the second air inlet 13 is arranged in the direction close to the top of the vehicle and opposite to the first air inlet 11, and the second air outlet 13 is arranged in the direction close to the top of the vehicle and opposite to the first air outlet 13, so that an X-shaped fluid passage is formed on the shell 1; meanwhile, the first air inlet 11 and the first air outlet 13 are respectively provided with the first airflow control assembly 3 and the second airflow control assembly 4, so as to realize the outward discharge of fresh air and waste gas, and it should be noted here that the number of air outlets in the conventional railway vehicle is more, and some vehicles are not provided with exhaust fans, and the negative pressure outside the carriage is utilized after the vehicle is started, so as to naturally discharge the waste gas in the carriage, but in the embodiment of the present invention, the energy of the waste gas in the carriage needs to be utilized, and further the waste gas needs to be concentrated, therefore, in this embodiment, the number of the first air outlets 13 corresponds to that of each carriage, and only one or two air outlets are provided, but after the number of the second air outlets 13 is reduced, the rate of the exhaust of the waste gas is reduced by simply utilizing the negative pressure, and therefore, in this embodiment, the second air outlet 13 is provided with the second airflow control assembly 4, discharging the waste gas outside through power equipment; the first airflow control assembly 3 and the second airflow control assembly 4 are fans, blowers or air pumps, etc., which are not limited herein; meanwhile, the first airflow control assembly 3 and the second airflow control assembly 4 can also adjust the airflow rate through the control of the controller and manual control, and if the number of passengers is small, the flow rate is reduced, so that the energy consumption is further reduced.
The first airflow control component 3 and the second airflow control component 4 are controlled by the controller, and the air inlet and outlet structures are adjusted to ensure that the air outlet amount accounts for 90% -95% of the air inlet amount; the controller is a PLC controller with programmable functions and functions of signal receiving, signal sending, data processing and control.
The heat exchange device 2 is a heat exchange structure with a fluid channel and a plurality of groups of inlets and outlets, and a fresh air channel and an exhaust air channel which are mutually separated and adjacent are arranged in the heat exchange structure, so that fresh air and waste gas can not be mixed with each other and heat can be mutually transferred; the heat exchanger 2 is a heat exchanger for cold and hot fluids well known to those skilled in the art, and the detailed structure will now be described in detail in the following.
Wherein, in order to guarantee the carriage with second air intake department 13 the sealed between the second air exit 14 prevents that steam from influencing second air intake department 13 in this embodiment the second air exit 14 department all is equipped with sealing device, for example: the rubber strip or Ethylene Propylene Diene Monomer (EPDM) is used for waterproof sealing, and simultaneously ensures certain resilience, so that the EPDM has objective service life and reliability.
The embodiment of the utility model provides a rail vehicle heat transfer device is after the shaping of installing in advance, installs at the top in carriage 5 with integral type structural mounting again.
According to the above, the embodiment of the utility model provides a rail vehicle heat transfer device and rail vehicle sets up in casing 1's accommodation space heat transfer device 2, controller control first airflow control subassembly 3 passes through external new trend in the new trend passageway introduces carriage 5, simultaneously passes through outside the waste gas of second airflow control subassembly 4 in with the carriage passes through exhaust passage discharge carriage, the new trend is in with waste gas carry out heat exchange in the heat transfer device 2 for the new trend in the new trend passageway utilizes the temperature of waste gas to heat up or cool down, then drops into carriage 5 again in, has both satisfied the operation of adjusting the temperature before the new trend gets into carriage 5, utilizes the temperature of waste gas again, greatly reduced adjusts the electric energy that consumes.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: a and B can be contained simultaneously, A can exist independently, B can exist independently, and any one of the three conditions can be met; wherein the inside and outside are referenced to the inside and outside in the actual installation.
Further, referring to fig. 1 and fig. 2, the embodiment of the present invention provides a heat exchange device for a rail vehicle, in a specific implementation, the heat exchange device 2 includes an installation shell 21 and a heat exchange core 22, and the heat exchange core 22 is disposed in the installation shell 21;
a third air inlet 211 and a fourth air outlet 214 are arranged on one side, away from the top of the rail vehicle, of the mounting shell 21, a third air outlet 213 and a fourth air inlet 212 are arranged on one side, close to the top of the rail vehicle, of the mounting shell 21, and the third air inlet 211, the fourth air inlet 212, the third air outlet 213 and the fourth air outlet 214 are sequentially arranged at intervals in the circumferential direction of the mounting shell 1;
the third air inlet 211 is communicated with the first air inlet 11 of the housing 1, and the third air outlet 213 is communicated with the second air inlet 13 of the housing 1, so as to form a fresh air channel from the outside to the inside of the compartment 5; the fourth air inlet 214 is communicated with the second air outlet 14 of the casing 1, the fourth air outlet 214 is communicated with the first air outlet 12 of the casing 1 to form an air outlet channel from the interior of the carriage 5 to the outside, and the fresh air channel and the air outlet channel are mutually crossed to form an X-shaped circuit.
Specifically, in order to enable the fresh air to fully absorb or release heat in the heat exchange core 22 of the heat exchange device 2, in this embodiment, the mounting shell 21 of the heat exchange device 2 is set to have a hexagonal cross section (the hexagonal effective heat exchange area is larger), so that the height of the fresh air channel is smaller under the condition that the effective heat exchange areas of the fresh air channel and the exhaust air channel are the same, and the occupation of the whole accommodating space of the casing 1 is avoided; at this time, referring to fig. 1, the upper and lower parts of the hexagonal installation housing 21 are horizontal wall surfaces, wherein the horizontal wall surface on the lower side is connected with the housing 1, and the four inclined side walls of the hexagon are sequentially provided with a third air inlet 211, a fourth air inlet 212, a third air outlet 213 and a fourth air outlet 214 at intervals in the circumferential direction, so that a fresh air channel between the third air inlet 211 and the third air outlet 213, and an air outlet channel between the fourth air outlet 214 and the fourth air inlet 212 form an X-shaped fluid passage and are communicated with the X-shaped fluid passage on the housing 1, specifically, the first air inlet 11 is communicated with the third air inlet 211, and the second air inlet 13 is communicated with the third air outlet 213, so as to form a fresh air channel from the upper right to the lower left in fig. 1; the second air outlet 14 is communicated with the fourth air inlet 212, and the fourth air outlet 214 is communicated with the second air outlet 14, so as to form an air outlet channel from the top left to the bottom right in fig. 1.
Further, referring to fig. 3, in an embodiment of the present invention, the heat exchange core 22 includes a plurality of heat exchange plates 221; the heat exchange plate 221 is in the shape of a polygonal plate, and the middle part of the heat exchange plate is provided with uniformly arranged corrugations;
the corrugated shapes of the adjacent heat exchange plates are arranged in a 90-degree crossed manner, a partition plate 222 is arranged between the adjacent heat exchange plates 221, and an air flow channel is formed on each of two sides of the partition plate 222;
openings on two sides of the airflow channel are respectively communicated with the third air inlet 211 and the third air outlet 213 to form the fresh air channel, openings on two sides of the airflow channel are respectively communicated with the fourth air inlet 212 and the fourth air outlet 214 to form the air exhaust channel, and the air inlet ventilation and the fresh air channel in the heat exchange core 22 are adjacent and alternately arranged.
Specifically, in order to achieve the maximum heat exchange efficiency of the heat exchange core 22, in this embodiment, the heat exchange core 22 may be composed of a plurality of corrugated heat exchange plates 221 and a plurality of planar partition plates 22; the corrugated heat exchange plates 221 are arranged side by side along the direction of the fresh air channel at preset intervals, two partition plates 222 are arranged between the two corrugated heat exchange plates 221, so that a first fluid channel (I) is formed between the corrugated heat exchange plates 221, one corrugated heat exchange plate 221 is arranged before every two partition plates 22, the corrugated direction of each corrugated heat exchange plate 221 is perpendicular to the corrugated direction, a second fluid channel (II) is formed in the direction perpendicular to the first fluid channel (I), the first fluid channel (I) is adjacent to the second fluid channel (II), the first fluid channel (II) is perpendicular to the second fluid channel (II), the first fluid channel (II) and the second fluid channel (II) are perpendicular to each other, mutual mixing cannot occur, and therefore the fresh: for example: referring to fig. 3, the corrugated heat exchange plates 221 are disposed adjacent to one of the partition plates 222, so that a first fluid channel (i) is formed between the partition plate 222 and the corrugated heat exchange plate 221, and a corrugated heat exchange plate 221 with different corrugated directions is disposed on a side of the partition plate 22 away from the corrugated heat exchange plate 221, so that a second fluid channel (ii) is formed between the partition plate 222 and the latter, wherein when the first fluid channel (i) is disposed from top to bottom left in fig. 1, the first fluid channel (i) is a fresh air channel, and the second fluid channel (ii) is a discharge air channel from top to bottom left in fig. 1; the arrangement mode is well known to those skilled in the art, and the isolation of different fluid channels is realized through the arrangement direction of the corrugations on the corrugated plate, which is not described herein; wherein, the material of the heat exchanger plate 221 depends on the applicable season, if the heat exchanger plate is used in winter, the high temperature of the exhaust gas needs to be transferred to the fresh air to heat the exhaust gas, and at this time, the heat exchanger plate 221 can be set as a good heat conductor, such as: metal (aluminum alloy material or internal porous material can be selected for reducing the overall weight); if the heat exchanger is used in summer, the low temperature in the waste gas needs to be transferred to fresh air to cool the waste gas, and the flame retardant paper can be selected at the moment, so that the heat exchanger is naturally made of the same material no matter in winter or summer; the flame retardant paper is also similar, and is not described herein in detail; the material selection of the heat exchange plate 221 needs to meet the smoke and fire standards related to the EN45545-2 and other rail transit industries.
Further, referring to fig. 1, an embodiment of the present invention provides a heat exchanging device for a rail vehicle, further comprising a temperature sensor 6 and a temperature adjusting device 7; the temperature sensor 6 is arranged at the third air outlet 213, and the temperature sensor 6 is in signal connection with the controller and is used for detecting whether the air flow in the fresh air channel reaches a preset air inlet temperature;
the temperature adjusting device 7 is arranged between the third air outlet 213 and the second air inlet 13, and the temperature adjusting device 7 is in signal connection with the controller;
wherein, the interior air current of new trend passageway has not reached predetermine inlet air temperature, controller control attemperator 7 is right the air current in the new trend passageway carries out the secondary and adjusts the temperature.
Specifically, in order to prevent that the new trend air current is in adjust the temperature and can't reach preset inlet air temperature in heat transfer device 2, for example: in winter, the fresh air is required to be heated to 18 ℃ and then can be thrown into the carriage 5, but the fresh air can only reach 15 ℃ after being subjected to heat exchange with the waste gas by the heat exchange device 2, and then the fresh air is thrown into the carriage 5, so that passengers feel uncomfortable; therefore, in this embodiment, the temperature sensor 6 is disposed at the third air outlet 213, that is, the fresh air outlet of the heat exchanging device 2, and if it is detected that the temperature of the discharged fresh air is lower than 18 degrees, a signal indicating that the temperature of the fresh air does not reach the standard is sent to the controller, the controller controls the temperature adjusting device 7 disposed between the third air outlet 212 and the second air inlet 13 to perform secondary heating on the fresh air of 15 degrees, and then the fresh air is fed into the car 5, where the temperature adjusting device 7 is disposed at the third air outlet 212 and the second air inlet 13, so that the fresh air has a certain time to perform secondary heating before being finally fed into the car 5; the temperature adjusting device 7 may be an electric heater, and is heated by energization, and the heating power of the electric heater may be adjusted by a temperature difference, for example: if the temperature of the fresh air discharged from the third air outlet 213 is larger than the preset inlet air temperature difference, the controller controls the electric heater to heat the fresh air quickly, and conversely, the fresh air is heated slowly, and the temperature difference can be preset in the controller according to actual conditions, which is not described herein; meanwhile, a multistage protection circuit is arranged in the electric heater, so that accidents caused by continuous heating of the electric heater are prevented, for example: when the electric heater is heated to 60 ℃, the primary protection circuit disconnects the electric heater until the temperature is reduced to room temperature, and the primary protection circuit automatically resets the electric heater, but if the primary protection circuit fails and the electric heater is heated to 130 ℃, the secondary protection circuit disconnects the electric heater and the electric heater needs to be manually reset, and the multistage protection circuit is well known by persons skilled in the art and is not limited too much;
in summer, the difference is as follows according to the principle of winter: the heat exchange chip 221 is made of flame retardant paper by using a good heat conductor, and the temperature adjusting device 7 is made of a cooling coil pipe; if the fresh air in the fresh air channel is not cooled to the preset fresh air temperature, the controller controls cold water or a refrigerant to be introduced into the cooling coil to carry out secondary cooling on the fresh air; note that the drive means here are well known in the art and need not necessarily be a drive means to introduce cold water or refrigerant into the cooling coil, but is not so limited.
Example 2
Referring to fig. 1, an embodiment of the present invention provides a rail vehicle, which includes:
a plurality of rail vehicle heat transfer devices of embodiment 1, each rail vehicle heat transfer device sets up the top at every carriage.
Specifically, the heat exchanger for the rail vehicle in this embodiment may directly adopt the heat exchanger for the rail vehicle in embodiment 1, and the specific implementation structure may refer to the relevant content described in embodiment 1 above, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a rail vehicle heat transfer device, sets up at the rail vehicle top, its characterized in that, it includes:
the air conditioner comprises a shell, a heat exchanger and a fan, wherein the shell is provided with an accommodating space, the accommodating space is internally provided with the heat exchanger, and a fresh air channel and an exhaust air channel which are mutually separated and adjacent are arranged in the heat exchanger;
a first air inlet and a first air outlet are formed in one side, far away from the top of the rail vehicle, of the shell, a second air inlet and a second air outlet are formed in one side, close to the top of the rail vehicle, of the shell, the first air inlet and the second air inlet are formed in two ends of the fresh air channel, the first air outlet and the second air outlet are formed in two ends of the air exhaust channel, and the second air inlet and the second air outlet are communicated with the interior of the compartment of the rail vehicle;
the first air flow control assembly is arranged at the first air inlet and used for generating air flow entering the fresh air channel;
the second air flow control assembly is arranged at the first exhaust port and used for exhausting the air flow of the exhaust channel;
the controller is in signal connection with a master control of the rail vehicle, and the controller is in signal connection with the first airflow control assembly and the second airflow control assembly and is used for controlling the size of the airflow.
2. The rail vehicle heat exchange device of claim 1, wherein:
the heat exchange device comprises an installation shell and a heat exchange core, and the heat exchange core is arranged in the installation shell;
a third air inlet and a fourth air outlet are formed in one side, far away from the top of the railway vehicle, of the mounting shell, a third air inlet and a fourth air inlet are formed in one side, close to the top of the railway vehicle, of the mounting shell, and the third air inlet, the fourth air inlet, the third air outlet and the fourth air outlet are sequentially arranged at intervals in the circumferential direction of the mounting shell;
the third air inlet is communicated with the first air inlet of the shell, and the third air outlet is communicated with the second air inlet of the shell to form a fresh air channel from the outside to the inside of the carriage; the fourth air inlet is communicated with the second air outlet of the shell, the fourth air outlet is communicated with the first air outlet of the shell to form an air exhaust channel from the interior of the carriage to the exterior, and the fresh air channel and the air exhaust channel are mutually crossed to form an X-shaped line.
3. The rail vehicle heat exchange device of claim 2, wherein:
the heat exchange core comprises a plurality of heat exchange plates;
the heat exchange plate is in a polygonal plate shape, and the middle part of the heat exchange plate is provided with uniformly arranged corrugations;
the corrugated shapes of the adjacent heat exchange plates are arranged in a 90-degree crossed manner, a partition plate is arranged between the adjacent heat exchange plates, and an air flow channel is formed on each of two sides of the partition plate;
the openings at two sides of the air flow channel are respectively communicated with the third air inlet and the third air outlet to form the fresh air channel, the openings at two sides of the air flow channel are respectively communicated with the fourth air inlet and the fourth air outlet to form the air outlet channel, and the air inlet ventilation and the fresh air channel are adjacent and alternately arranged in the heat exchange core.
4. The rail vehicle heat exchange device of claim 3, wherein:
the temperature control device also comprises a temperature sensor and a temperature adjusting device;
the temperature sensor is arranged at the third air outlet, is in signal connection with the controller and is used for detecting whether the air flow in the fresh air channel reaches a preset air inlet temperature or not;
the temperature adjusting device is arranged between the third air outlet and the second air inlet and is in signal connection with the controller;
wherein, the interior air current of new trend passageway has not reached predetermine inlet air temperature, controller control attemperator is right the air current in the new trend passageway carries out the secondary and adjusts the temperature.
5. The rail vehicle heat exchange device of claim 4, wherein:
the temperature adjusting device is an electric heating device or a cooling coil.
6. The rail vehicle heat exchange device of claim 5, wherein:
the temperature adjusting device is the electric heating device;
the heat exchange plate is made of a first material, and the heat exchange device has a better preheating function.
7. The rail vehicle heat exchange device of claim 5, wherein:
the temperature adjusting device is the cooling coil;
the heat exchange plate is made of a second material, and the heat exchange device has a good pre-cooling function.
8. The rail vehicle heat exchange device of claim 1, wherein:
and sealing devices are arranged at the second air inlet and the second air outlet.
9. The rail vehicle heat exchange device of claim 1, wherein:
the casing is close to one side both ends at rail vehicle top all are equipped with the mount pad, be used for with rail vehicle top cooperation installation.
10. A rail vehicle, characterized in that it comprises:
a plurality of rail vehicle heat exchange devices as claimed in any one of claims 1 to 9, each of said rail vehicle heat exchange devices being disposed at the top of each car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020103350.1U CN211685096U (en) | 2020-01-17 | 2020-01-17 | Rail vehicle heat exchange device and rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020103350.1U CN211685096U (en) | 2020-01-17 | 2020-01-17 | Rail vehicle heat exchange device and rail vehicle |
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| Publication Number | Publication Date |
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| CN211685096U true CN211685096U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020103350.1U Active CN211685096U (en) | 2020-01-17 | 2020-01-17 | Rail vehicle heat exchange device and rail vehicle |
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| CN (1) | CN211685096U (en) |
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